Hair drier with large air pressure and large air volume

Abstract

The utility model relates to the technical field of garden equipment, and discloses a blower with large air pressure and large air volume, which comprises a blower body, an air supply component positioned in the middle of the blower body, a battery pack arranged at the tail of the blower body, and an air outlet pipe arranged at the front end of the blower body, the air supply component comprises a centrifugal machine shell arranged on the machine body, a centrifugal impeller located in the centrifugal machine shell, an air inlet pipe arranged on the upper side of the centrifugal machine shell, an axial flow machine shell arranged in the air inlet pipe, an axial flow impeller arranged in the axial flow machine shell and a double-shaft motor with the upper end connected with the axial flow impeller and the lower end connected with the centrifugal impeller. A supporting ring for supporting the lower end of the axial flow machine shell is arranged at the bottom of the air inlet pipe, a filtering gland for pressing the axial flow machine shell on the supporting ring is arranged at the upper end of the air inlet pipe, and the axial flow machine shell comprises a lower machine shell abutting against the supporting ring and used for supporting the double-shaft motor and an upper machine shell arranged on the upper side of the lower machine shell and wrapping the upper side of the double-shaft motor. A rapid butt joint assembly is arranged between the upper machine shell and the lower machine shell.

Description

Technical Field

[0001] This utility model belongs to the field of garden equipment technology, and specifically relates to a blower with high wind pressure and high air volume. Background Technology

[0002] Garden blowers can quickly remove fallen leaves, withered grass, and other debris from the ground. Compared to traditional manual cleaning methods, garden blowers are convenient and flexible to operate.

[0003] Currently, Chinese patent CN221895667U, published on October 25, 2024, discloses a hair dryer, including a body with an air inlet and an air outlet, a motor installed in the body, an impeller installed in the body and linked to the output shaft of the motor, an air outlet nozzle installed on the body and connected to the air outlet, and a battery pack installed on the body and electrically connected to the motor. The body has a centrifugal chamber for mounting the impeller and connected to the air outlet. The motor is installed in the centrifugal chamber, and the impeller is installed on the output shaft of the motor. Air inlets are provided on both sides of the body corresponding to the centrifugal chamber. The impeller includes a cylindrical part with a "U"-shaped cross-section installed on the output shaft of the motor, a partition plate part installed around the cylindrical part, multiple first blade parts installed on one side of the cylindrical part and the partition plate part, and multiple second blade parts installed on the other side of the cylindrical part and the partition plate part. The extended surface of the partition plate part divides the air outlet channel into two parts.

[0004] This type of blower mainly uses the working principle of a centrifugal fan, which drives the impeller to rotate by a motor, thereby driving the airflow to enter from the air inlet and spray out from the air outlet; however, centrifugal fans have the characteristics of high air pressure but low air volume, which is not conducive to meeting the blowing environment with high air volume requirements; Utility Model Content

[0005] The purpose of this invention is to provide a hair dryer with high air pressure and high air volume, which can achieve high air pressure and high air volume blowing.

[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a hair dryer with high air pressure and high air volume, comprising a body, an air supply component located in the middle of the body, a battery pack located at the rear of the body, and an air outlet pipe located at the front of the body. The air supply component includes a centrifuge housing located on the body, a centrifugal impeller located inside the centrifuge housing, an air inlet pipe located on the upper side of the centrifuge housing, an axial flow housing located inside the air inlet pipe, an axial flow impeller located inside the axial flow housing, and a dual-axis motor connected at the upper end to the axial flow impeller and at the lower end to the centrifugal impeller. A support ring is provided at the bottom of the air inlet pipe for supporting the lower end of the axial flow housing. A filter cap is provided at the upper end of the air inlet pipe for pressing the axial flow housing onto the support ring. The axial flow housing includes a lower housing that abuts against the support ring and supports the dual-axis motor, and an upper housing located on the upper side of the lower housing and wrapped around the upper side of the dual-axis motor. A quick-connect assembly is provided between the upper housing and the lower housing.

[0007] A further feature of this invention is that: a lower mounting base for embedding the lower end of a dual-shaft motor is provided at the center of the lower housing, and a lower shaft hole is provided at the center of the lower mounting base for connecting the lower output shaft of the dual-shaft motor to a centrifugal impeller; an upper mounting base for embedding the upper end of a dual-shaft motor is provided at the center of the upper housing, and an upper shaft hole is provided at the center of the upper mounting base for connecting the upper output shaft of the dual-shaft motor to an axial flow impeller.

[0008] A further feature of this invention is that the quick docking assembly includes a plug ring disposed at the lower end of the upper housing and for embedding in the lower housing, a stepped platform integrally disposed on the inner wall of the lower housing for the plug ring to abut against, multiple bayonets opened on the periphery of the lower housing, and multiple clips disposed on the periphery of the plug ring and for embedding in the multiple bayonets respectively, wherein the cross-section of the clip is a right-angled triangle.

[0009] A further feature of this invention is that: both sides of the lower card holder are provided with positioning grooves, and the lower side of the upper card holder is provided with a positioning platform for embedding in the positioning grooves.

[0010] A further feature of this invention is that the upper ends of both the air inlet pipe and the axial flow housing are funnel-shaped with openings facing upwards.

[0011] A further feature of this invention is that a baffle is provided inside the air outlet duct.

[0012] In summary, this utility model has the following beneficial effects:

[0013] 1. The upper and lower housings are connected using a quick-connect assembly to install the dual-axis motor within the axial flow housing. The axial flow housing is then embedded into the air inlet duct, with its lower end abutting against the support ring. Simultaneously, the dual-axis motor connects to the axial impeller and centrifugal impeller via its upper and lower output shafts, respectively. Finally, a filter cap is attached to the upper end of the air inlet duct, pressing the axial flow housing firmly against the support ring. This achieves a quick and stable installation of the axial flow housing within the air inlet duct. Ultimately, the unit utilizes the simultaneous rotation of the axial and centrifugal impellers for air intake. Since the centrifugal impeller generates high air pressure while the axial impeller generates high air volume, the air ejected from the outlet duct possesses both high air pressure and high air volume characteristics, resulting in high-pressure and high-volume airflow.

[0014] 2. When the upper and lower housings enclose the dual-axis motor, the lower bracket on the lower housing is used to insert the lower end of the dual-axis motor, and the upper bracket on the upper housing is used to insert the upper end of the dual-axis motor. The lower and upper shaft holes are used for the output shaft of the dual-axis motor to transmit power. This facilitates the stable installation of the dual-axis motor between the upper and lower housings.

[0015] 3. When the upper and lower housings are docked, the upper housing is inserted into the lower housing using a plug-in ring. Then, the plug-in ring abuts against the stepped platform on the inner wall of the lower housing. At the same time, the locking head on the side of the plug-in ring is inserted into the locking slot. The locking head locks the upper and lower housings together, thus achieving the plug-in docking between the upper and lower housings.

[0016] 4. When the upper and lower housings are docking, the positioning platform on the lower side of the upper card holder is embedded in the positioning groove on the lower card holder to position the upper and lower card holders, which ultimately helps to stabilize the docking position of the card head.

[0017] 5. By utilizing the fact that both the upper ends of the air inlet pipe and the axial flow casing are open and facing upwards in a funnel shape, it is possible for outside air to quickly enter the air inlet pipe;

[0018] 6. The baffle installed inside the air outlet duct can protect the air outlet duct and prevent external debris from entering the air outlet duct and affecting the rotation of the centrifugal impeller. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the structure of this utility model;

[0021] Figure 2 This is a partial enlarged view of the structure of this utility model, in which the centrifuge shell is shown in cross-section;

[0022] Figure 3 This is an exploded view of the structure of this utility model;

[0023] Figure 4 This is an enlarged view of the upper housing structure in this utility model;

[0024] Figure 5 This is an enlarged view of the structure of the lower casing of this utility model.

[0025] In the diagram, 1. Main body; 11. Battery pack; 12. Air outlet duct; 121. Barrier frame; 2. Air supply components; 21. Centrifuge housing; 22. Centrifugal impeller; 23. Air inlet duct; 231. Support ring; 24. Axial flow housing; 241. Lower housing; 2411. Lower mounting bracket; 2412. Lower shaft hole; 2413. Positioning slot; 242. Upper housing; 2421. Upper mounting bracket; 2422. Upper shaft hole; 2423. Positioning platform; 25. Axial flow impeller; 26. Dual-shaft motor; 3. Filter cap; 4. Quick docking assembly; 41. Insertion ring; 42. Stepped platform; 43. Bayonet; 44. Clamp head. Detailed Implementation

[0026] The technical solutions in the embodiments will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0027] A hair dryer with high air pressure and high air volume, refer to Figure 1 , Figure 2 The hair dryer with high air pressure and high air volume includes a body 1, an air supply component 2, a battery pack 11, and an air outlet pipe 12. The air supply component 2 is located in the middle of the body 1, while the battery pack 11 is installed at the rear of the body 1. The air outlet pipe 12 is bolted to the front of the body 1, and a baffle frame 121 is also integrally installed inside the air outlet pipe 12.

[0028] Reference Figure 1 , Figure 2 , Figure 3The air supply component 2 includes a centrifuge housing 21, a centrifuge impeller 22, an air inlet pipe 23, an axial flow housing 24, an axial flow impeller 25, and a dual-shaft motor 26. The centrifuge housing 21 is integrally disposed in the middle of the body 1, while the centrifuge impeller 22 is located inside the centrifuge housing 21. The air inlet pipe 23 is integrally disposed on the upper side of the centrifuge housing 21, and the axial flow housing 24 is located inside the air inlet pipe 23. The upper ends of both the air inlet pipe 23 and the axial flow housing 24 are flared upwards. The axial flow impeller 25 is located inside the axial flow housing 24, and the dual-shaft motor 26 is installed inside the axial flow housing 24. The upper output shaft of the dual-shaft motor 26 is keyed to the axial flow impeller 25, and the lower output shaft is keyed to the centrifuge impeller 22.

[0029] Reference Figure 3 , Figure 4 , Figure 5 The bottom periphery of the air inlet duct 23 is integrally provided with a support ring 231 for supporting the lower end of the axial flow housing 24, and the upper end of the air inlet duct 23 is fixed with a filter cap 3 by bolts to press the axial flow housing 24 onto the support ring 231. The axial flow housing 24 includes a lower housing 241 that abuts against the support ring 231 and is supported by the dual-axis motor 26, and an upper housing 242 that is disposed on the upper side of the lower housing 241 and wraps around the upper side of the dual-axis motor 26. At the same time, the center of the lower housing 241 is... A lower mounting base 2411 is integrally provided for the lower end of the dual-shaft motor 26 to be embedded, and a lower shaft hole 2412 is provided at the center of the lower mounting base 2411 for the lower output shaft of the dual-shaft motor 26 to pass through and connect to the centrifugal impeller 22. An upper mounting base 2421 is integrally provided at the center of the upper housing 242 for the upper end of the dual-shaft motor 26 to be embedded, and an upper shaft hole 2422 is provided at the center of the upper mounting base 2421 for the upper output shaft of the dual-shaft motor 26 to pass through and connect to the axial flow impeller 25.

[0030] Reference Figure 3 , Figure 4 , Figure 5 A quick-connect assembly 4 is also provided between the upper housing 242 and the lower housing 241. This quick-connect assembly 4 includes a plug ring 41, a stepped platform 42, multiple bayonets 43, and multiple locking heads 44. The plug ring 41 is integrally set at the lower end of the upper housing 242 and is used to be embedded in the lower housing 241. The stepped platform 42 is integrally set on the inner wall of the lower housing 241 and is used for the plug ring 41 to abut against. At the same time, multiple bayonets 43 are opened on the periphery of the lower housing 241, and multiple locking heads 44 are integrally set on the periphery of the plug ring 41 and are used to be embedded in the multiple bayonets 43 respectively. The cross-section of the locking head 44 is a right-angled triangle. Positioning grooves 2413 are opened on both sides of the lower locking seat 2411, and a positioning platform 2423 for embedding in the positioning grooves 2413 is integrally set on the lower side of the upper locking seat 2421.

[0031] Principle: The upper housing 242 and lower housing 241 are connected by the snap-fit ​​locking mechanism 4 using the bayonet 43 and snap-fit ​​head 44, thus completing the installation of the dual-shaft motor 26 within the axial flow housing 24. The axial flow housing 24 is then embedded into the air inlet duct 23, with its lower end abutting against the support ring 231. Simultaneously, the dual-shaft motor 26 connects to the axial flow impeller 25 and the centrifugal impeller 22 via its upper and lower output shafts, respectively. Finally, the filter cap 3 is connected to the upper end of the air inlet duct 23. The axial flow housing 24 can be pressed onto the support ring 231, thus enabling the axial flow housing 24 to be quickly and stably installed in the air inlet pipe 23. Ultimately, the machine body 1 can achieve air intake by relying on the simultaneous rotation of the axial flow impeller 25 and the centrifugal impeller 22. Since the wind force generated by the centrifugal impeller 22 has the characteristics of high wind pressure and the wind force generated by the axial flow impeller 25 has the characteristics of high air volume, the air ejected from the air outlet pipe 12 can simultaneously have the characteristics of high wind pressure and high air volume, thus achieving high wind pressure and high air volume blowing.

Claims

1. A hair dryer with high air pressure and high air volume, comprising a body (1), an air supply component (2) located in the middle of the body (1), a battery pack (11) located at the rear of the body (1), and an air outlet pipe (12) located at the front of the body (1), characterized in that: The air supply component (2) includes a centrifuge casing (21) mounted on the body (1), a centrifugal impeller (22) located inside the centrifuge casing (21), an air inlet pipe (23) mounted on the upper side of the centrifuge casing (21), an axial flow casing (24) mounted inside the air inlet pipe (23), an axial flow impeller (25) mounted inside the axial flow casing (24), and a dual-shaft motor (26) whose upper end is connected to the axial flow impeller (25) and whose lower end is connected to the centrifugal impeller (22). The bottom of the air inlet pipe (23) is provided with an axial flow casing (24). The lower end is supported by a support ring (231), and the upper end of the air inlet pipe (23) is provided with a filter cap (3) for pressing the axial flow housing (24) onto the support ring (231). The axial flow housing (24) includes a lower housing (241) that abuts against the support ring (231) and is supported by a dual-axis motor (26), and an upper housing (242) that is disposed on the upper side of the lower housing (241) and wrapped around the upper side of the dual-axis motor (26). A quick docking assembly (4) is provided between the upper housing (242) and the lower housing (241).

2. A hair dryer with high air pressure and high air volume according to claim 1, characterized in that: The lower housing (241) is provided with a lower bracket (2411) for the lower end of the dual-shaft motor (26) to be inserted at the center. The lower bracket (2411) has a lower shaft hole (2412) at the center for the lower output shaft of the dual-shaft motor (26) to pass through and connect to the centrifugal impeller (22). The upper housing (242) is provided with an upper bracket (2421) for the upper end of the dual-shaft motor (26) to be inserted at the center. The upper bracket (2421) has an upper shaft hole (2422) at the center for the upper output shaft of the dual-shaft motor (26) to pass through and connect to the axial flow impeller (25).

3. A hair dryer with high air pressure and high air volume according to claim 2, characterized in that: The quick docking assembly (4) includes a plug ring (41) disposed at the lower end of the upper housing (242) and used to be embedded in the lower housing (241), a stepped platform (42) integrally disposed on the inner wall of the lower housing (241) and used for the plug ring (41) to abut against, a plurality of bayonet slots (43) opened on the periphery of the lower housing (241), and a plurality of card heads (44) disposed on the periphery of the plug ring (41) and used to be respectively embedded in the plurality of bayonet slots (43), wherein the cross section of the card head (44) is a right triangle.

4. A hair dryer with high air pressure and high air volume according to claim 3, characterized in that: The lower card holder (2411) has positioning grooves (2413) on both sides, and the upper card holder (2421) has a positioning platform (2423) on its lower side for embedding in the positioning grooves (2413).

5. A hair dryer with high air pressure and high air volume according to claim 1, characterized in that: The upper ends of the air inlet pipe (23) and the axial flow housing (24) are both flared and open upwards.

6. A hair dryer with high air pressure and high air volume according to claim 1, characterized in that: A baffle (121) is installed inside the air outlet pipe (12).

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