Neck-hung fan

Abstract

The utility model provides a neck-hanging fan (1) which comprises a neck-hanging fan body, a circuit board and a battery electrically connected with the circuit board, a first surrounding wall forming a first installation cavity and a second surrounding wall forming a second installation cavity are arranged in the neck-hanging fan body, and the circuit board is installed in the first installation cavity. And the battery is mounted in the second mounting cavity. Therefore, when rainwater falls from the air inlet or the air outlet in a rainy day, the rainwater can be effectively isolated and prevented from wetting the battery and the circuit board under the blocking of the first enclosure bulkhead and the second enclosure bulkhead, so that a waterproof effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of fans, in particular to a neck-hanging fan. Background Art

[0002] As is known to all, a neck hanging fan is used to hang around the neck, and has fan heads at both ends for cooling electronic products. The existing neck hanging fans include circuit boards and batteries inside, and the batteries and circuit boards are scattered inside the neck hanging fans. When it rains or sweat falls into the inside from the air outlet, water easily wets the circuit boards and batteries, affecting the use. Utility Model Content

[0003] In order to solve the defects and shortcomings of the above-mentioned prior art, the utility model provides a neck hanging fan, which is used to solve the problem that the circuit board and the battery of the existing neck hanging fan are easily wet when it rains or sweat falls into the interior from the air outlet.

[0004] The technical solution adopted by the utility model is: a neck-hanging fan, including a neck-hanging fan body, a circuit board and a battery electrically connected to the circuit board, the neck-hanging fan body is provided with a first surrounding wall surrounding a first installation cavity and a second surrounding wall surrounding a second installation cavity, the circuit board is installed in the first installation cavity, and the battery is installed in the second installation cavity.

[0005] Furthermore, the first surrounding wall is provided with a first wiring groove communicated with the first installation cavity on a side wall opposite to the second surrounding wall, and the second surrounding wall is provided with a second wiring groove communicated with the second installation cavity at a position corresponding to the first wiring groove.

[0006] Furthermore, both ends of the interior of the hanging neck fan body are provided with fan blade groups electrically connected to the circuit board, the circuit board is located between the fan blade group and the battery, and the outer wall of the hanging neck fan corresponds to the position of the fan blade group. A honeycomb-shaped air inlet is provided at the position; an air outlet communicated with the interior is provided on the inner side of the hanging neck fan body, the first wiring groove is on the side away from the air outlet, and the first surrounding wall is provided with a third wiring groove communicated with the first installation cavity on the side wall close to the fan blade group.

[0007] Furthermore, the fan blade assembly includes a motor, a first centrifugal impeller connected to the motor, and a second centrifugal impeller arranged outside the first centrifugal impeller, and the first centrifugal impeller is connected to the second centrifugal impeller.

[0008] Furthermore, the fan blade group also includes a boss and an annular substrate arranged on the outside of the boss, the second centrifugal impeller is arranged on the annular substrate, the first centrifugal impeller is arranged on the boss, the motor is at least partially placed in the boss, and the rotating shaft of the motor is connected to the boss.

[0009] Furthermore, the air outlet is a plurality of through holes, and the plurality of through holes are arranged along the length direction of the neck hanging fan; an air guide plate is arranged in the fan body, and the air guide plate includes: a first partitioning section for separating the circuit board and the fan blade group, a second partitioning section connected to the first partitioning section and arranged along the length of the air outlet, and a third partitioning section connected to the second partitioning section away from one end of the first partitioning section and extending to the air outlet.

[0010] Furthermore, the first enclosure includes a first enclosure, a second enclosure and a third enclosure connected in sequence, the first enclosure and the second enclosure are spaced apart and one end of each of the first enclosure is connected to the inner side wall of the fan body, and the first installation cavity is formed by the first enclosure and the inner side wall of the fan body;

[0011] The second enclosure wall comprises a fourth enclosure plate, a fifth enclosure plate, a sixth enclosure plate and a seventh enclosure plate connected in sequence, the fourth enclosure plate and the sixth enclosure plate are arranged at intervals and one end of each of them is connected to the inner side wall of the fan body, the first wiring groove is located on the third enclosure plate, the second wiring groove is located on the fourth enclosure plate, and the third wiring groove is located on the first enclosure plate;

[0012] The first partition section is a first enclosure panel, and the second partition section is composed of a second enclosure panel and a fifth enclosure panel.

[0013] Furthermore, the fan body includes a neck support and a blowing shell arranged at both ends of the neck support, and the first surrounding wall, the second surrounding wall, the fan blade group, the air inlet and the air outlet are all located in the blowing shell.

[0014] Furthermore, the blowing shell includes a first shell and a second shell connected to the first shell, the first shell has a first partition and a second partition protruding on its inner side wall, the second shell has a third partition and a fourth partition protruding on its inner side wall, the first partition and the third partition are abutted to form a first surrounding wall, and the second partition and the fourth partition are abutted to form a second surrounding wall.

[0015] Furthermore, a plug-in column is protruded on the inner side wall of the second shell, and a plug-in hole is provided on the neck support. The plug-in column is inserted into the plug-in hole when the first shell is connected with the second shell.

[0016] The beneficial effects of the utility model are as follows: compared with the prior art, the utility model installs the circuit board through the first surrounding wall and installs the battery through the second surrounding wall. When rain falls in from the air inlet or outlet on rainy days, the first surrounding wall and the second surrounding wall can effectively isolate the rainwater and prevent the rainwater from wetting the battery and the circuit board, thereby achieving a waterproof effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the utility model.

[0018] Figure 2 It is a partial exploded view of the utility model.

[0019] Figure 3 It is a partial structural diagram of the fan blade group of the utility model.

[0020] Figure 4 This is a structural diagram of the second shell of the utility model.

[0021] Figure 5 This is a structural diagram of the first shell of the utility model. DETAILED DESCRIPTION

[0022] The following will be combined with the accompanying drawings to clearly and completely describe the technical solutions in the present embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model. Based on the embodiment of the utility model, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the utility model.

[0023] Please refer to the attached Figure 1-5 ,A neck hanging fan in an embodiment of the utility model.

[0024] The neck-hanging fan includes a neck-hanging fan body, a circuit board 5, and a battery 4 electrically connected to the circuit board 5. The neck-hanging fan body is provided with a first surrounding wall 17 surrounding a first installation cavity 18 and a second surrounding wall 15 surrounding a second installation cavity 16. The circuit board 5 is installed in the first installation cavity 18, and the battery 4 is installed in the second installation cavity 16.

[0025] The utility model installs the circuit board 5 through the first surrounding wall 17 and installs the battery 4 through the second surrounding wall 15. When rain falls in from the air inlet 111 or the air outlet 13 on a rainy day, the first surrounding wall 17 and the second surrounding wall 15 can effectively isolate the rain and prevent the rain from wetting the battery 4 and the circuit board 5, thereby playing a waterproof role and solving the problem of the existing neck hanging fan that the circuit board 5 and the battery 4 are easily wetted when it rains or sweat falls into the interior from the air outlet 13.

[0026] In one embodiment, the first surrounding wall 17 is provided with a first wiring groove 171 which is connected to the first installation cavity 18 on the side wall opposite to the second surrounding wall 15, and the second surrounding wall 15 is provided with a second wiring groove 155 which is connected to the second installation cavity 16 at a position corresponding to the first wiring groove 171. The first wiring groove 171 and the second wiring groove 155 can facilitate the routing of wires electrically connecting the circuit board 5 and the battery 4.

[0027] In one embodiment, both ends of the interior of the neck-hanging fan body are provided with a blade group 3 electrically connected to the circuit board 5, the circuit board 5 is located between the blade group 3 and the battery 4, and the outer wall of the neck-hanging fan is provided with a honeycomb-shaped air inlet 111 at the position corresponding to the blade group 3; the inner side of the neck-hanging fan body is provided with an air outlet 13 connected to the interior, the first wiring groove 171 is on the side away from the air outlet 13, and the first surrounding wall 17 is provided with a third wiring groove 174 connected to the first installation cavity 18 on the side wall close to the blade group 3, and the wiring is routed through the third wiring groove 174, which can facilitate the electrical connection between the circuit board 5 and the blade group 3. Specifically, the area of ​​the air inlet 111 is the same as that of the blade group 3, which effectively improves the air intake effect.

[0028] In one embodiment, the fan blade group 3 includes a motor, a first centrifugal impeller 32 connected to the motor, and a second centrifugal impeller 31 arranged on the outside of the first centrifugal impeller 32. The first centrifugal impeller 32 is connected to the second centrifugal impeller 31. By configuring the first centrifugal impeller 32 and the second centrifugal impeller 31, the blowing force of the neck hanging fan of the utility model can be improved and the heat dissipation effect can be improved.

[0029] In one embodiment, the fan blade group 3 also includes a boss 34 and an annular base plate 33 arranged on the outside of the boss 34, the second centrifugal impeller 31 is arranged on the annular base plate 33, the first centrifugal impeller 32 is arranged on the boss 34, the motor is at least partially placed in the boss 34, and the rotating shaft of the motor is connected to the boss 34 to form the first centrifugal impeller 32 and the second centrifugal impeller 31 into one, so that the first centrifugal impeller 32 and the second centrifugal impeller 31 can be driven to rotate simultaneously when the motor is driven.

[0030] In one embodiment, the air outlet 13 is a plurality of through holes, and the plurality of through holes are arranged along the length direction of the neck hanging fan, which can effectively increase the direction of the air outlet, so as to improve the heat dissipation effect when the utility model is put on the neck. An air guide plate is arranged in the fan body, and the air guide plate includes: a first partition section 193 for separating the circuit board 5 and the fan blade group 3, a second partition section 192 connected to the first partition section 193 and arranged along the length of the air outlet 13, and a third partition section 191 connected to the second partition section 192 away from the first partition section 193 and extending to the air outlet 13. The air guide plate can be used to effectively discharge the airflow generated by the fan blade group 3 from the air outlet 13 under the action of the air guide plate, thereby improving the heat dissipation effect.

[0031] In one embodiment, the first enclosure 17 includes a first enclosure 173, a second enclosure 175, and a third enclosure 172 connected in sequence, the first enclosure 173 and the second enclosure 175 are arranged at intervals and one end of each is connected to the inner side wall of the fan body, and the first installation cavity 18 is formed by the first enclosure 17 and the inner side wall of the fan body. The second enclosure 15 includes a fourth enclosure 154, a fifth enclosure 152, a sixth enclosure 151, and a seventh enclosure 153 connected in sequence, the fourth enclosure 154 and the sixth enclosure 151 are arranged at intervals and one end of each is connected to the inner side wall of the fan body, the first wiring groove 171 is located on the third enclosure 172, the second wiring groove 155 is located on the fourth enclosure 154, and the third wiring groove 174 is located on the first enclosure 173. The first partition 193 is the first enclosure 173, and the second partition 192 is composed of the second enclosure 175 and the fifth enclosure 152, so as to effectively reduce the structure when forming the wind guide plate.

[0032] In the above embodiment, for the compactness of the structure of the utility model, the fan body includes a neck support 2 and a blowing shell 1 arranged at both ends of the neck support 2, and the first surrounding wall 17, the second surrounding wall 15, the fan blade group 3, the air inlet 111 and the air outlet 13 are all located in the blowing shell 1.

[0033] The blowing shell 1 includes a first shell 11 and a second shell 12 connected to the first shell 11, a first partition 113 and a second partition 112 are protruded on the inner side wall of the first shell 11, a third partition and a fourth partition 156 are protruded on the inner side wall of the second shell 12, the first partition 113 and the third partition are abutted to form a first surrounding wall 17, the second partition 112 and the fourth partition 156 are abutted to form a second surrounding wall 15, so as to effectively play a waterproof role.

[0034] In one embodiment, a plug-in column 14 is protruded on the inner wall of the second shell 12, and a plug-in hole 21 is opened on the neck support 2. The plug-in column 14 is inserted into the plug-in hole 21 when the first shell 11 and the second shell 12 are connected. The neck support 2 can be connected by utilizing the first plug-in column 14 to cooperate with the plug-in hole 21.

[0035] The above embodiments of the utility model are merely examples for clearly explaining the utility model, and are not intended to limit the implementation methods of the utility model. However, obvious changes or modifications derived from the essence of the utility model still fall within the protection scope of the utility model.

Claims

1. A neck hanging fan, characterized in that: The invention comprises a neck hanging fan body, a circuit board and a battery electrically connected to the circuit board. The neck hanging fan body is provided with a first surrounding wall surrounding a first installation cavity and a second surrounding wall surrounding a second installation cavity. The circuit board is installed in the first installation cavity and the battery is installed in the second installation cavity.

2. The neck hanging fan according to claim 1, characterized in that: The first surrounding wall is provided with a first wiring groove communicated with the first installation cavity on a side wall opposite to the second surrounding wall, and the second surrounding wall is provided with a second wiring groove communicated with the second installation cavity at a position corresponding to the first wiring groove.

3. The neck hanging fan according to claim 2, characterized in that: Both ends of the interior of the hanging neck fan body are provided with fan blade groups electrically connected to the circuit board, the circuit board is located between the fan blade group and the battery, and the outer wall of the hanging neck fan corresponding to the position of the fan blade group is provided with a honeycomb-shaped air inlet; the inner side of the hanging neck fan body is provided with an air outlet connected to the interior, the first wiring groove is on the side away from the air outlet, and the first surrounding wall is provided with a third wiring groove connected to the first installation cavity on the side wall close to the fan blade group.

4. The neck hanging fan according to claim 3, characterized in that: The fan blade assembly includes a motor, a first centrifugal impeller connected to the motor, and a second centrifugal impeller arranged outside the first centrifugal impeller, and the first centrifugal impeller is connected to the second centrifugal impeller.

5. The neck hanging fan according to claim 4, characterized in that: The fan blade group also includes a boss and an annular base plate arranged outside the boss, the second centrifugal impeller is arranged on the annular base plate, the first centrifugal impeller is arranged on the boss, the motor is at least partially placed in the boss, and the rotating shaft of the motor is connected to the boss.

6. The neck hanging fan according to claim 3, characterized in that: The air outlet is a plurality of through holes, and the plurality of through holes are arranged along the length direction of the neck hanging fan; an air guide plate is arranged in the fan body, and the air guide plate includes: a first partition section for separating the circuit board and the fan blade group, a second partition section connected to the first partition section and arranged along the length of the air outlet, and a third partition section connected to the second partition section away from one end of the first partition section and extending to the air outlet.

7. The neck hanging fan according to claim 6, characterized in that: The first enclosure wall comprises a first enclosure plate, a second enclosure plate and a third enclosure plate which are connected in sequence, the first enclosure plate and the second enclosure plate are arranged at intervals and one end of each of the first enclosure plate and the second enclosure plate is connected to the inner side wall of the fan body, and the first installation cavity is formed by the first enclosure wall and the inner side wall of the fan body; The second enclosure wall comprises a fourth enclosure plate, a fifth enclosure plate, a sixth enclosure plate and a seventh enclosure plate connected in sequence, the fourth enclosure plate and the sixth enclosure plate are arranged at intervals and one end of each of them is connected to the inner side wall of the fan body, the first wiring groove is located on the third enclosure plate, the second wiring groove is located on the fourth enclosure plate, and the third wiring groove is located on the first enclosure plate; The first partition section is a first enclosure panel, and the second partition section is composed of a second enclosure panel and a fifth enclosure panel.

8. The neck hanging fan according to claim 6, characterized in that: The fan body comprises a neck support and a blowing shell provided at two ends of the neck support, and the first surrounding wall, the second surrounding wall, the fan blade group, the air inlet and the air outlet are all located in the blowing shell.

9. The neck hanging fan according to claim 8, characterized in that: The blowing shell includes a first shell and a second shell connected to the first shell, the first shell has a first partition plate and a second partition plate protruding on the inner side wall, the second shell has a third partition plate and a fourth partition plate protruding on the inner side wall, the first partition plate abuts against the third partition plate to form a first surrounding wall, and the second partition plate abuts against the fourth partition plate to form a second surrounding wall.

10. The neck hanging fan according to claim 9, characterized in that: An inserting column is formed on the inner side wall of the second shell, and an inserting hole is provided on the neck support. The inserting column is inserted into the inserting hole when the first shell and the second shell are connected.

Images