Exhaust device for inflatable castle for children

Abstract

The exhaust device for the child inflatable castle comprises a draught fan, a first air opening of the draught fan is connected with an air pipe, the two ends of the air pipe are open, and a plurality of ventilation holes are evenly distributed in the peripheral wall of the air pipe. When exhausting is carried out, the cloth pipe of the inflatable castle is arranged on the outer side of the air pipe in a sleeving mode, and the end, away from the inflatable castle, of the cloth pipe is fixed to the end, away from the inflatable castle, of the air pipe. In the state, an exhaust space is formed between the inner wall of the cloth pipe and the outer wall of the air pipe, then under the action of the fan, during exhaust, air in the inflatable castle passes through the interior of the cloth pipe and is output to the outside from the fan, and due to the arrangement of the air pipe, the cloth pipe can be prevented from being folded and blocked due to negative pressure. The multiple vent holes formed in the surface of the air pipe can drive air in the castle to flow outwards as much as possible, so that blockage caused by attachment of the cloth pipe and the air pipe is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of exhaust technology for children's inflatable castles, and in particular to an exhaust device for children's inflatable castles. Background Art

[0002] Children's inflatable castle is an inflatable children's entertainment place. Generally, a blower is used as an inflating device to inflate and shape the children's inflatable castle. However, the children's inflatable castle needs to be vented after the children play in it so that it can be folded and packed. The existing exhaust method is to exhaust naturally or squeeze the castle manually to speed up the exhaust speed. The inflatable castle can only be folded and packed after the air in it is basically emptied and becomes flat. Such an operation will waste too much time or increase the labor intensity.

[0003] If a blower is directly used to connect the castle for exhaust, when the blower is started, the pipes of the inflatable castle will quickly shrink and become flat under the action of negative pressure, causing the pipes to be blocked and unable to effectively absorb and exhaust the air in the main body of the castle. Summary of the invention

[0004] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides an exhaust device for a children's inflatable castle.

[0005] An exhaust device for a children's inflatable castle designed for this purpose comprises a fan, wherein a first air outlet of the fan is connected to an air duct, both ends of the air duct are open, and a plurality of ventilation holes are evenly distributed on the peripheral wall of the air duct.

[0006] Preferably, the first air outlet of the fan is detachably connected to a connection cover, and one end of the air duct is detachably connected to the connection cover.

[0007] Preferably, the connection cover is provided with a connection ring, and the air duct and the connection ring are connected to each other by a screw-on structure.

[0008] Preferably, one end of the air duct is provided with a plurality of first rotary buckle slots along a circumferential array, and the other end of the air duct is provided with a plurality of first rotary buckle blocks along a circumferential array;

[0009] When two air ducts are used in combination, the first screw buckle slot of one air duct is screwed and matched with the first screw buckle block of the other air duct.

[0010] Preferably, the connecting ring is provided with a plurality of second screw-on slots in a circumferential array, and the air duct adopts a first screw-on block to screw-fit with the second screw-on slots.

[0011] Preferably, a positioning slot is provided at one end of the air duct provided with the first rotary buckle block, and a positioning plug-in is provided at one end of the air duct provided with the first rotary buckle slot;

[0012] The positioning plug-in is arranged to move forward and backward relative to the air duct;

[0013] When two air ducts are used in combination, the positioning plug-in is movably inserted into the positioning slot to restrict the two connected air ducts from rotating relative to each other.

[0014] Preferably, the air duct is provided with a slide groove penetrating inside and outside, the positioning plug-in is provided with a guide member extending through the slide groove to the inside of the air duct, and the guide member is connected to a limit member that fits with the inner wall of the air duct.

[0015] Preferably, the air duct is composed of two upper and lower semicircular pipes connected to each other.

[0016] Preferably, a plurality of buckles are arranged on one of the semicircular tubes, and a plurality of slots are arranged on the other semicircular tube, and the buckles are snap-connected with the slots.

[0017] Compared with the prior art, the present invention includes a blower, wherein the first air outlet of the blower is connected to an air duct, the two ends of the air duct are opened, and a plurality of ventilation holes are evenly distributed on the peripheral wall of the air duct. When exhausting, the cloth pipe of the inflatable castle is sleeved on the outside of the air duct, and the end of the cloth pipe away from the inflatable castle is fixed to the end of the air duct away from the inflatable castle. In this state, there is an exhaust space between the inner wall of the cloth pipe and the outer wall of the air duct, and then under the action of the blower, when exhausting, the air inside the inflatable castle is output from the blower to the outside through the inside of the cloth pipe, and the setting of the air duct can avoid the cloth pipe from being folded and blocked due to negative pressure. The multiple ventilation holes arranged on the surface of the air duct can drive the air in the castle to flow outward as much as possible to avoid blockage caused by the adhesion of the cloth pipe and the air duct. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the combined state of the fan and the air duct;

[0019] Figure 2 The schematic diagram of the decomposed structure of the air duct is shown in FIG.

[0020] Figure 3 This is one of the schematic diagrams of the decomposed structure of two sections of air duct;

[0021] Figure 4 This is the second schematic diagram of the decomposed structure of two sections of air duct;

[0022] Figure 5 This is a schematic diagram of the exploded structure of the fan and the air duct;

[0023] Figure 6 It is a schematic diagram of the cross-sectional structure of the air duct;

[0024] Figure 7 for Figure 6 The enlarged structural diagram at A in the middle;

[0025] Figure 8 It is a schematic diagram of the cross-sectional structure of the air duct and the inflatable castle;

[0026] Fig. 9 Schematic diagram of the three-dimensional structure of the air duct. DETAILED DESCRIPTION

[0027] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0028] See also Figure 1-Figure 9 An exhaust device for a children's inflatable castle includes a fan 10, wherein a first air outlet 110 of the fan 10 is connected to an air duct 20, both ends of the air duct 20 are open, and a plurality of ventilation holes 210 are evenly distributed on the peripheral wall of the air duct 20.

[0029] When exhausting, the present invention sets the cloth pipe 410 of the inflatable castle 40 on the outside of the air duct 20, and fixes the end of the cloth pipe 410 away from the inflatable castle 40 to the end of the air duct 20 away from the inflatable castle 40. In this state, there is an exhaust space 50 between the inner wall of the cloth pipe 410 and the outer wall of the air duct 20, and then exhaust is performed under the action of the fan, and the air inside the inflatable castle is output from the fan to the outside through the inside of the cloth pipe. The setting of the air duct can avoid the cloth pipe from being folded and blocked due to negative pressure. The multiple ventilation holes set on the surface of the air duct can drive the air in the castle to flow outward as much as possible to avoid blockage caused by the adhesion of the cloth pipe and the air duct.

[0030] See also Fig. 9 The air duct 20 is provided with a plurality of inwardly recessed strip grooves 280 in an array along its circumference, and the ventilation holes 210 are evenly distributed in the strip grooves 280. The function of the strip grooves 280 is to prevent the ventilation holes 210 from being blocked due to the adhesion between the pipe 410 and the air duct 20, thereby preventing air from being blocked. The inwardly recessed strip grooves 280 allow air to circulate in the strip grooves 280, which is conducive to the air being discharged outward.

[0031] See also Figure 5 The first air outlet 110 of the fan 10 is detachably connected to a connection cover 30 , and one end of the air duct 20 is detachably connected to the connection cover 30 .

[0032] Furthermore, the connection cover 30 is provided with a connection ring 310, and the air duct 20 and the connection ring 310 are connected to each other by a screw-on structure.

[0033] See also Figure 3 and Figure 4, one end of the air duct 20 is provided with a plurality of first screw-in slots 250 along a circumferential array, and the other end of the air duct 20 is provided with a plurality of first screw-in blocks 260 along a circumferential array; when two air ducts 20 are used in combination, the first screw-in slots 250 of one air duct 20 are screwed together with the first screw-in blocks 260 of the other air duct 20. Under the action of the screw-in structure connection, according to the use requirements of the air duct 20, multiple air ducts 20 can be connected and used to ensure that the air duct 20 can pass through the fabric pipe 410 and extend to the inside of the inflatable castle 40, ensuring smooth exhaust.

[0034] In the present invention, the air duct 20 is gradually tilted downward from one end close to the fan 10 to one end of the inflatable castle 40. The tilted setting is to help the end of the air duct 20 close to the inflatable castle 4 to be supported by the ground, so that the whole exhaust device is relatively stable.

[0035] Furthermore, the inclination angle of the air duct 20 is preferably 5°.

[0036] See also Figure 5 The connecting ring 310 is provided with a plurality of second screw-in slots 320 along a circumferential array, and the air duct 20 adopts a first screw-in block 260 to be screwed together with the second screw-in slots 320 .

[0037] See also Figure 7 A positioning slot 270 is provided at one end of the air duct 20 provided with the first rotary buckle block 260, and a positioning plug-in 220 is provided at one end of the air duct 20 provided with the first rotary buckle slot 250; the positioning plug-in 220 is arranged to move forward and backward relative to the air duct 20; when two air ducts 20 are used in combination, the positioning plug-in 220 is movably inserted in the positioning slot 270 to constrain the two connected air ducts 20 to rotate relative to each other.

[0038] Furthermore, the positioning plug-in 220 is provided with an inserting portion 221, and when the inserting portion 221 is inserted into the positioning slot 270, a lock is formed, and the two connected air ducts 20 cannot rotate, so that the twist-lock connection cannot be unlocked.

[0039] See also Figure 7 The air duct 20 is provided with a slide groove 230 that penetrates inside and outside, and the positioning plug-in 220 is provided with a guide member 222 that passes through the slide groove 230 and extends to the inside of the air duct 20, and the guide member 222 is connected to a stopper 240 that fits with the inner wall of the air duct 20. The cooperation between the guide member 222 and the slide groove 230 can constrain the moving direction of the positioning plug-in 220 and prevent it from moving in other directions. At the same time, under the action of the stopper 240, it constrains the positioning plug-in 220 to keep in contact with the air duct 20 and prevents the positioning plug-in 220 from separating from the air duct 20.

[0040] See also Figure 2The air duct 20 is composed of two upper and lower semicircular pipes 200 connected to each other.

[0041] Furthermore, a plurality of buckles 201 are arranged on one of the semicircular tubes 200 , and a plurality of slots 202 are arranged on the other semicircular tube 200 , and the buckles 201 are snap-connected with the slots 202 .

[0042] The present invention can connect a plurality of air ducts in sequence according to specific exhaust requirements during exhaust, so that the length of the air duct can extend to the inside of the inflatable castle, effectively increasing the exhaust area of ​​the air duct and achieving rapid exhaust.

[0043] In the description of the present invention, it is necessary to understand that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating the orientation or position relationship is based on the orientation or position relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. The terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

[0044] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An exhaust device for a children's inflatable castle, comprising a fan (10), characterized in that: The first air outlet (110) of the fan (10) is connected to an air duct (20), the air duct (20) is provided with openings at both ends, and a plurality of ventilation holes (210) are evenly distributed on the peripheral wall of the air duct (20).

2. The exhaust device for children's inflatable castle according to claim 1, characterized in that: The first air outlet (110) of the fan (10) is detachably connected to a connection cover (30), and one end of the air duct (20) is detachably connected to the connection cover (30).

3. The exhaust device for children's inflatable castle according to claim 2, characterized in that: The connection cover (30) is provided with a connection ring (310), and the air duct (20) and the connection ring (310) are connected to each other using a screw-on structure.

4. The exhaust device for children's inflatable castle according to claim 3, characterized in that: One end of the air duct (20) is provided with a plurality of first rotary buckle slots (250) in a circumferential array, and the other end of the air duct (20) is provided with a plurality of first rotary buckle blocks (260) in a circumferential array; When two air ducts (20) are used in combination, the first screw-lock groove (250) of one air duct (20) is screwed together with the first screw-lock block (260) of the other air duct (20).

5. The exhaust device for children's inflatable castle according to claim 4, characterized in that: The connection ring (310) is provided with a plurality of second screw-on slots (320) in a circumferential array, and the air duct (20) adopts a first screw-on block (260) to be screwed together with the second screw-on slots (320).

6. The exhaust device for children's inflatable castle according to claim 4, characterized in that: A positioning slot (270) is provided at one end of the air duct (20) provided with the first rotary buckle block (260), and a positioning plug-in (220) is provided at one end of the air duct (20) provided with the first rotary buckle slot (250); The positioning plug-in unit (220) is arranged to move forward and backward relative to the air duct (20); When two air ducts (20) are used in combination, the positioning plug-in unit (220) is movably inserted into the positioning slot (270) to constrain the two connected air ducts (20) from rotating relative to each other.

7. The exhaust device for children's inflatable castle according to claim 6, characterized in that: The air duct (20) is provided with a slide groove (230) penetrating inside and outside, and the positioning plug-in (220) is provided with a guide member (222) passing through the slide groove (230) and extending into the interior of the air duct (20), and the guide member (222) is connected to a limiting member (240) that is in contact with the inner wall of the air duct (20).

8. The exhaust device for children's inflatable castle according to claim 1, characterized in that: The air duct (20) is composed of two upper and lower semicircular pipes (200) connected to each other.

9. The exhaust device for children's inflatable castle according to claim 8, characterized in that: A plurality of buckles (201) are arranged on one of the semicircular tubes (200), and a plurality of slots (202) are arranged on the other semicircular tube (200), wherein the buckles (201) are engaged with the slots (202).

10. The exhaust device for children's inflatable castle according to claim 1, characterized in that: The air duct (20) is provided with a plurality of strip-shaped grooves (280) recessed inwardly in an array along its circumference, and the ventilation holes (210) are evenly distributed in the strip-shaped grooves (280).

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