A suction device for a travel bag

Abstract

The application discloses a kind of suction device for travel bag, comprising: shell, air extraction fan and control panel are equipped in shell, shell is equipped with air outlet and air inlet, the inside of shell is also equipped with air duct, the air outlet side of air extraction fan is opposite with the air inlet end of air duct, the air inlet side of air extraction fan is opposite with air inlet, the upper side of air duct air inlet end is equipped with first wind baffle, the lower side is equipped with second wind baffle, first wind baffle and second wind baffle are used to reduce the gap between the air outlet side of air extraction fan and air duct;With the above method, by setting air extraction fan in shell, directly generate suction force, suction is carried out, without connecting external vacuum equipment, avoid the situation of missing, simultaneously by the setting of first wind baffle and second wind baffle, can effectively improve suction efficiency, improve the use experience of product, and the device structure is compact, small in size, easy to operate, convenient to use, simultaneously can be powered by mobile device, greatly improve practicality.

Description

Technical Field

[0001] This utility model relates to the field of vacuum extraction devices, and in particular to a vacuum extraction device for travel bags. Background Technology

[0002] A travel bag is a bag used to store clothes and other items when traveling. Traditional travel bags only have a storage function; they expand under the weight of clothing, taking up a lot of space. To solve this problem, a vacuum-sealed travel bag was designed. This involves sealing the bag and installing a sealing valve. After clothing is placed inside, an external vacuum device connected to the valve removes air, compressing the bag and reducing its volume. However, in actual use, the inventors found that the vacuum device and the travel bag are separate components, making it easy to forget or misplace the vacuum device, causing inconvenience.

[0003] Therefore, there is an urgent need to design a vacuum device for travel bags to solve one or more technical problems that are lacking in the existing technology. Utility Model Content

[0004] The technical solution adopted by this utility model to solve the above-mentioned technical problems is: a vacuum device for travel bags, characterized in that it includes: a housing, in which a vacuum fan and a control board are provided, the vacuum fan is electrically connected to the control board, the housing has an air outlet and an air inlet, and the interior of the housing also has an air duct, the air outlet is located at one end of the air duct, the air outlet side of the vacuum fan is opposite to the air inlet end of the air duct, the air inlet side of the vacuum fan is opposite to the air inlet, the upper side of the air inlet end of the air duct has a first wind baffle and the lower side has a second wind baffle, the first wind baffle and the second wind baffle are used to reduce the gap between the air outlet side of the vacuum fan and the air duct, the vacuum fan draws in air through the air inlet and sends the air into the air duct, and sends it out through the air outlet.

[0005] In a preferred embodiment, the top of the housing is provided with a recessed independent chamber, the outer side wall of the independent chamber is spaced apart from the side wall of the housing to form the air duct, the control board is placed in the independent chamber, the control board is provided with a switch button and a power connector, the top of the independent chamber is provided with a chamber cover, the chamber cover and the corresponding position of the power connector are provided with a through hole, and the first windproof part is located on the lower side of the independent chamber.

[0006] In a preferred embodiment, the housing includes an upper shell and a lower shell, the upper shell and the lower shell being detachably connected, the control panel being located inside the upper shell, the exhaust fan being connected to the upper shell, the air outlet being located on the upper shell, and the air inlet being located on the lower shell.

[0007] In a preferred embodiment, the exhaust fan includes: a motor connected to the housing, an output end of the motor connected to a centrifugal impeller, the air inlet side of the centrifugal impeller facing the air inlet hole, the air outlet side of the centrifugal impeller corresponding to the air duct, a first windbreak located on the upper side of the centrifugal impeller, and a second windbreak located on the lower side of the centrifugal impeller.

[0008] In a preferred embodiment, the second windbreak protrudes into the lower shell and is stepped, and the transition portion between the upper side of the second windbreak and the lower shell is arc-shaped.

[0009] In a preferred embodiment, the central protrusion of the independent chamber forms an accommodating mounting chamber, the tail end of the exhaust fan is located inside the mounting chamber, the head end of the exhaust fan is located below the mounting chamber, and the control panel surrounds the outside of the mounting chamber.

[0010] In a preferred embodiment, a sealing cap is also connected to the outside of the housing.

[0011] In a preferred embodiment, the upper shell is provided with a plurality of connecting posts, and the lower shell is provided with a protruding positioning groove at a position corresponding to the connecting posts. The positioning groove is adapted to the connecting posts and is located on the upper side of the second windbreak.

[0012] In a preferred embodiment, the air intake side of the centrifugal impeller is further provided with a ring of wind-blocking ribs.

[0013] The beneficial effects of this utility model are: by setting an exhaust fan inside the housing, suction force is directly generated for suction, eliminating the need to connect to external vacuum equipment and avoiding any omissions. At the same time, the setting of the first and second wind deflectors can effectively improve the suction efficiency and enhance the user experience of the product. Furthermore, this device has a compact structure, small size, simple operation, and convenient use. It can also be powered by mobile devices, greatly improving its practicality. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is an exploded view of the present invention;

[0016] Figure 3This is a cross-sectional view of the present invention.

[0017] In the picture:

[0018] 1. Housing; 10. Upper housing; 11. Air outlet; 12. Air duct; 13. Exhaust fan; 131. Motor; 132. Centrifugal impeller; 14. Control panel; 141. Switch button; 142. Power connector; 15. Independent chamber; 16. Mounting chamber; 17. Chamber cover; 18. Through hole; 19. Sealing cover; 20. Lower housing; 21. Air inlet; 22. Positioning groove; 23. Connecting column; 24. First windbreak; 25. Second windbreak; 26. Windbreak rib. Detailed Implementation

[0019] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0020] In the description of the embodiments of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connection" and "installation" should be interpreted broadly. For example, "connection" can be a detachable connection or a non-detachable connection; it can be a direct connection or an indirect connection through an intermediate medium. Furthermore, "connection" can be a direct connection or an indirect connection through an intermediate medium. "Fixed" means that the relative positional relationship remains unchanged after the connection. The directional terms mentioned in the embodiments of this utility model, such as "inner," "outer," "top," and "bottom," are only for reference to the directions in the accompanying drawings. Therefore, the directional terms used are for better and clearer explanation and understanding of the embodiments of this utility model, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model.

[0021] In this embodiment of the invention, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" and "second" may explicitly or implicitly include one or more of that feature.

[0022] In this embodiment of the utility model, "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent three situations: A exists alone, A and B exist simultaneously, and B exists alone. Additionally, the character " / " in this document generally indicates that the preceding and following related objects have an "or" relationship.

[0023] References to "one embodiment" or "some embodiments" as used in this specification mean that one or more embodiments of the present invention include a specific feature, structure, or characteristic described in connection with that embodiment. Therefore, the phrases "in one embodiment," "in some embodiments," "in other embodiments," "in still other embodiments," etc., appearing in different parts of this specification do not necessarily refer to the same embodiment, but rather mean "one or more, but not all, embodiments," unless otherwise specifically emphasized. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless otherwise specifically emphasized. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0024] like Figures 1-3 As shown, this utility model provides a vacuum device for travel bags (hereinafter referred to as the vacuum device), comprising: a housing 1, wherein a vacuum fan 13 and a control board 14 are disposed inside the housing 1, the vacuum fan 13 is electrically connected to the control board 14, the housing 1 is provided with an air outlet 11 and an air inlet 21, and an air duct 12 is also provided inside the housing 1, the air outlet 11 is located at one end of the air duct 12, and the air outlet side of the vacuum fan 13 is connected to the air duct 12. With the air inlets facing each other, the air inlet side of the exhaust fan 13 is opposite to the air inlet 21. The upper side of the air inlet end of the air duct 12 is provided with a first wind baffle 24, and the lower side is provided with a second wind baffle 25. The first wind baffle 24 and the second wind baffle 25 are used to reduce the gap between the air outlet side of the exhaust fan 13 and the air duct 12. The exhaust fan 13 draws in air through the air inlet 21 and sends the air into the air duct 12, and sends it out through the air outlet 11.

[0025] Specifically, the housing 1 is equipped with an exhaust fan 13 and a control board 14. The control board 14 controls the start / stop of the exhaust fan 13 according to instructions. The housing 1 is provided with an air outlet 11 and an air inlet 21. In this embodiment, the air outlet 11 is preferably located at the top of the housing 1, and the air inlet 21 is located at the bottom of the housing 1. The air inlet side of the exhaust fan 13 is opposite to the air inlet 21. To prevent airflow diffusion, a duct 12 for airflow is also provided inside the housing 1, ensuring that airflow can only flow along the duct 12. The air outlet 11 is located at the air outlet end of the duct 12, and the air outlet side of the exhaust fan 13 is opposite to the air inlet end of the duct 12. When the exhaust fan 13 is running, air is drawn in through the air inlet 21 and transported into the duct 12, and then discharged through the air outlet 11. In actual installation, the housing 1 is equipped with... The top of the travel bag has an air vent 11 located outside, while the bottom of the housing 1 has an air inlet 21 located inside. The housing 1 is sealed to the connector on the travel bag. When the exhaust fan 13 is running, it draws air from the travel bag and discharges it, causing the internal air pressure of the travel bag to be lower than the external air pressure, thus reducing the overall volume of the travel bag after items are placed inside. To prevent airflow from flowing back through the gap between the air duct 12 and the exhaust fan 13 when the exhaust fan 13 is blowing air, a first windbreak 24 is provided on the upper side of the air inlet end of the air duct 12, and a second windbreak 25 is provided on the lower side. By reducing the gap between the exhaust fan 13 and the air duct 12 through the first windbreak 24 and the second windbreak 25, the air that is sent into the air duct 12 can be discharged directly along the air duct 12, thereby improving the extraction efficiency and accelerating the shrinkage rate of the travel bag.

[0026] To prevent air backflow after the air extraction device stops operating, the air outlet 11 of the housing 1 can be covered by a sealing cover 19 or a one-way valve can be installed in the air extraction device to restrict air backflow. In this application, the sealing cover 19 is preferred, which can effectively reduce production costs. The sealing cover 19 is connected to the housing 1 to prevent the sealing cover 19 from falling off or being lost.

[0027] It should be noted that since the exhaust fan 13 rotates during operation, the first baffle 24 and the second baffle 25 should be spaced apart from the exhaust fan 13 to avoid affecting the rotation of the exhaust fan 13. The gap should be controlled to be as small as possible while ensuring that the exhaust fan 13 can operate normally.

[0028] Furthermore, the top of the housing 1 is provided with a recessed independent chamber 15, and the outer side wall of the independent chamber 15 is spaced apart from the side wall of the housing 1 to form the air duct 12. The control board 14 is placed in the independent chamber 15, and the control board 14 is provided with a switch button 141 and a power connector 142. The top of the independent chamber 15 is provided with a chamber cover 17, and the chamber cover 17 has a through hole 18 at the position corresponding to the power connector. The first windproof part 24 is located on the lower side of the independent chamber 15.

[0029] Specifically, since the exhaust fan 13 generates heat during operation, to prevent the heat from affecting the normal operation of the control board 14, a recessed independent chamber 15 is provided on the top of the upper shell 10. An air duct 12 is formed between the outer wall of the independent chamber 15 and the inner wall of the shell 1, allowing airflow to pass through. The control board 14 is placed inside the independent chamber 15, while the exhaust fan 13 is located outside the independent chamber 15, thus blocking heat transfer through the independent chamber 15. The control board 14 is equipped with a switch button 141 and a power connector 142. The switch button 141 is used to control the start and stop of the exhaust fan 13, and the power connector 142 is used to connect to an external power source. The power connector 142 preferably uses a PD (Power Delicious) connector. The Type-C interface of the (very) protocol enables devices such as mobile phones and power banks to be powered, and is not limited to mains power, making it more versatile. To prevent the control board 14 from being exposed, a cavity cover 17 is also embedded in the top of the independent chamber 15. The cavity cover 17 has a through hole 18 at the position corresponding to the power connector 1421, and a pressing area is provided at the position corresponding to the switch button 141. The first wind deflector 24 extends downward from the lower side of the independent chamber 15 to reduce the gap between the exhaust fan 13 and the lower side of the independent chamber 15, thereby reducing the gap between it and the air duct 12.

[0030] Furthermore, the housing 1 includes an upper housing 10 and a lower housing 20, the upper housing 10 and the lower housing 20 are detachably connected, the control board 14 is located inside the upper housing 10, the exhaust fan 13 is connected to the upper housing 10, the air outlet 11 is located on the upper housing 10, and the air inlet 21 is located on the lower housing 20.

[0031] Specifically, in this embodiment, to facilitate the disassembly of the air extraction device, the housing 1 is composed of a separate upper shell 10 and a lower shell 20. The upper shell 10 and the lower shell 20 are detachably fixed together by fasteners. A connector that is heat-sealed to the outside is located between the upper shell 10 and the lower shell 20. The upper shell 10 and the lower shell 20 clamp the connector, and through extrusion, a sealed connection between the air extraction device and the connector is achieved, ensuring airtightness and guaranteeing the air extraction effect. The independent chamber 15, the air outlet 11, and the control board 14 are all located in the upper shell 10, and the tail end of the air extraction fan 13 is detachably connected to the upper shell 10 by fasteners. The air inlet 21 is located on the lower shell 20.

[0032] Furthermore, the exhaust fan 13 includes: a motor 131, which is connected to the housing 1, and a centrifugal impeller 132 connected to the output end of the motor 131. The air inlet side of the centrifugal impeller 132 is opposite to the air inlet 21, and the air outlet side of the centrifugal impeller 132 is corresponding to the air duct 12. The first wind baffle 24 is located on the upper side of the centrifugal impeller 132, and the second wind baffle 25 is located on the lower side of the centrifugal impeller 132.

[0033] Specifically, the exhaust fan 13 includes: a motor 131, the tail end of which is detachably fixed to the upper shell 10 by fasteners; a centrifugal impeller 132 is connected to the output end of the motor 131; the centrifugal impeller 132 has higher air pressure and faster exhaust speed, and can reduce the overall length and volume of the exhaust device by axial air intake and radial air exhaust; the air intake side of the centrifugal impeller 132 is opposite to the air intake hole 21 of the lower shell 20, and the air exhaust side is corresponding to the air duct 12; air is drawn in from the air intake hole 21 and discharged into the air duct 12 through the air exhaust end; wherein the first baffle 24 is located on the upper side of the centrifugal impeller 132, and the second baffle 25 is located on the lower side of the centrifugal impeller 132, reducing the gap between the air duct 12 and the air exhaust side of the centrifugal impeller 132 from the upper and lower directions, ensuring that the airflow can be directly discharged after entering the air duct 12, and the airflow will be blocked by the first baffle 24 and the second baffle 25 when it flows back.

[0034] Furthermore, the second windbreak portion 25 protrudes from the lower shell 20 and is stepped, and the transition portion between the upper side of the second windbreak portion 25 and the lower shell 20 is arc-shaped.

[0035] Specifically, the second baffle 25 is disposed in the lower shell 20, and the second baffle 25 protrudes from the lower shell 20 and is stepped to avoid the presence of a groove between the second baffle 25 and the lower shell 20, which would affect the airflow discharge. In order to prevent the air from spreading when it is blown onto the side wall of the lower shell 20 by the centrifugal impeller 132, which would cause airflow turbulence, obstruct exhaust, and affect the extraction efficiency, the transition area between the upper side of the second baffle 25 and the side wall of the lower shell 20 is set in an arc shape with a predetermined curvature. Through the arc-shaped guiding effect, when the air is blown onto the arc-shaped position by the centrifugal impeller 132, the air flows along a predetermined path through the arc-shaped guiding effect, avoiding diffusion.

[0036] It should be noted that the corner of the independent chamber 15, which is provided with the first windbreak 24, can be chamfered to make the corner transition smoother and reduce the generation of rotating airflow.

[0037] Furthermore, the central part of the independent chamber 15 protrudes to form an accommodating installation chamber 16, the tail end of the exhaust fan 13 is located inside the installation chamber 16, the head end of the exhaust fan 13 is located below the installation chamber 16, and the control panel 14 surrounds the outside of the installation chamber 16.

[0038] Specifically, to further reduce the overall volume of the air extraction device, the middle of the independent chamber 15 is recessed upward to form an installation chamber 16 with a receiving cavity. The motor 131 is located inside the installation chamber 16 and is connected to the installation chamber 16 by fasteners. The centrifugal impeller 132 is located below the installation chamber 16. By setting the installation chamber 16, space is utilized more rationally and the overall thickness of the air extraction device is reduced. The control plate 14 surrounds the outside of the installation chamber 16.

[0039] Furthermore, the upper shell 10 is provided with a plurality of connecting posts 23, and the lower shell 20 is provided with a protruding positioning groove 22 at the position corresponding to the connecting posts 23. The positioning groove 22 is adapted to the connecting posts 23 and is located on the upper side of the second windproof part 25.

[0040] Specifically, since the upper shell 10 and the lower shell 20 are detachably connected together, in order to improve the convenience of assembly, the upper shell 10 is provided with multiple connecting posts 23, and the lower shell 20 is provided with protruding positioning grooves 22 at the corresponding positions of the connecting posts 23. The positioning grooves 22 are adapted to the connecting posts 23. When connection is required, the connecting posts 23 can be inserted into the positioning grooves 22 to limit the relative position between the upper shell 10 and the lower shell 20 and avoid movement, thereby improving the convenience of assembly.

[0041] Furthermore, the centrifugal impeller 132 is also provided with a ring of wind-blocking ribs 26 on the air intake side;

[0042] Specifically, to prevent the suction force generated inside the lower shell 20 during the extraction of air by the centrifugal impeller 132, which would cause the airflow in the air duct 12 to be drawn back, a raised wind-blocking rib 26 is provided on the air intake side of the centrifugal impeller 132. The wind-blocking rib 26 acts as a barrier, allowing the suction force generated by the centrifugal impeller 132 during operation to act directly on the environment outside the lower shell 20 from the air intake hole 21. It is understandable that if the gap between the air intake side of the centrifugal impeller 132 and the air intake hole 21 of the lower shell 20 is small, then the wind-blocking rib 26 is not necessary.

[0043] In summary, by installing a suction fan 13 inside the housing 1, suction force is directly generated for suction without the need to connect to external vacuum equipment, thus avoiding any omissions. At the same time, the installation of the first baffle 24 and the second baffle 25 can effectively improve suction efficiency and enhance the user experience. Furthermore, this device has a compact structure, small size, simple operation, and convenient use. It can also be powered by mobile devices, greatly improving its practicality.

[0044] This invention is not limited to the description in the specification and embodiments. Therefore, other advantages and modifications can be readily realized by those skilled in the art. Thus, without departing from the spirit and scope of the general concept as defined by the claims and their equivalents, this invention is not limited to the specific details, representative devices and illustrated examples shown and described herein.

Claims

1. A vacuum device for a travel bag, characterized in that, The device includes: a housing, within which an exhaust fan and a control board are disposed, the exhaust fan being electrically connected to the control board; the housing having an air outlet and an air inlet; and an internal air duct, the air outlet being located at one end of the air duct; the air outlet side of the exhaust fan being opposite to the air inlet end of the air duct, and the air inlet side of the exhaust fan being opposite to the air inlet; a first windbreak being provided on the upper side of the air inlet end of the air duct, and a second windbreak being provided on the lower side; the first windbreak and the second windbreak are used to reduce the gap between the air outlet side of the exhaust fan and the air duct; the exhaust fan draws in air through the air inlet and sends the air into the air duct, and then sends it out through the air outlet.

2. The air extraction device for a travel bag according to claim 1, characterized in that, The top of the housing has a recessed independent chamber. The outer wall of the independent chamber is spaced apart from the side wall of the housing to form the air duct. The control board is placed in the independent chamber. The control board has a switch button and a power connector. The top of the independent chamber has a cover. The cover has a through hole at the position corresponding to the power connector. The first windproof part is located on the lower side of the independent chamber.

3. The air extraction device for a travel bag according to claim 1, characterized in that, The housing includes an upper shell and a lower shell, the upper shell and the lower shell are detachably connected, the control panel is located inside the upper shell, the exhaust fan is connected to the upper shell, the air outlet is located on the upper shell, and the air inlet is located on the lower shell.

4. The air extraction device for a travel bag according to claim 1, characterized in that, The exhaust fan includes: a motor connected to the housing; a centrifugal impeller connected to the output end of the motor; the air inlet side of the centrifugal impeller is opposite to the air inlet hole; the air outlet side of the centrifugal impeller is corresponding to the air duct; the first windbreak is located on the upper side of the centrifugal impeller; and the second windbreak is located on the lower side of the centrifugal impeller.

5. The air extraction device for a travel bag according to claim 3, characterized in that, The second windshield protrudes into the lower shell and is stepped, and the transition between the upper side of the second windshield and the lower shell is arc-shaped.

6. The air extraction device for a travel bag according to claim 2, characterized in that, The central protrusion of the independent chamber forms an accommodating installation chamber. The tail end of the exhaust fan is located inside the installation chamber, and the head end of the exhaust fan is located below the installation chamber. The control panel surrounds the outside of the installation chamber.

7. The air extraction device for a travel bag according to claim 1, characterized in that, A sealing cap is also connected to the outside of the housing.

8. The air extraction device for a travel bag according to claim 3, characterized in that, The upper shell is provided with a plurality of connecting posts, and the lower shell is provided with a protruding positioning groove at the position corresponding to the connecting posts. The positioning groove is adapted to the connecting posts and is located on the upper side of the second windbreak.

9. The air extraction device for a travel bag according to claim 4, characterized in that, The centrifugal impeller is also provided with a ring of wind-blocking ribs on the air intake side.

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