Fan

Abstract

The fan comprises a machine head assembly, a supporting rod and a base, the top of the supporting rod is connected with the machine head assembly in a quick-release mode, the bottom of the supporting rod is connected with the top of the base in a quick-release mode, a containing cavity is formed in the base, and an opening communicated with the containing cavity is formed in the bottom face of the base. The bottom face of the base downwards covers the back face of the machine head assembly, and the supporting rod is contained in the containing cavity. The machine head assembly, the supporting rod and the base can be detached and then stored, the supporting rod is hidden, the occupied space is reduced, and storage is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of fans, in particular to a fan which can be used as a floor fan or a table fan. Background Art

[0002] At present, the floor fans on the market are basically used in summer but not in winter. Floor fans are inconvenient to store, easily accumulate dust, and take up a large space. Utility Model Content

[0003] The utility model aims to provide a foldable fan.

[0004] The purpose of the utility model is achieved in this way.

[0005] A fan comprises a head assembly, a support rod and a base, wherein the top of the support rod is connected to the head assembly by quick release, the bottom of the support rod is connected to the top of the base by quick release, a storage cavity is arranged in the base, and an opening communicating with the storage cavity is arranged on the bottom surface of the base.

[0006] In the storage state, the back of the machine head assembly is placed upward, the bottom surface of the base is facing downward and covers the back of the machine head assembly, and the support rod is stored in the storage cavity.

[0007] The utility model can store the machine head assembly, the support rod and the base after being disassembled, hide the support rod, reduce the occupied space and facilitate storage.

[0008] The above technical solution can be further improved as follows.

[0009] Further, the support rod includes at least one first rod body, one end of the first rod body is provided with an external thread connector, the other end of the first rod body is provided with an internal thread slot, the head assembly is provided with an external thread support head, the top of the base is provided with an internal thread fixing groove, the external thread connector and the internal thread slot or the internal thread fixing groove are threadedly connected in a matching manner, and the external thread support head and the internal thread slot or the internal thread fixing groove are threadedly connected in a matching manner. The length of the first rod body is shorter than the diameter of the mesh cover of the head assembly. The support rod is simple and easy to assemble and disassemble.

[0010] The support rod includes at least one second rod body, one end of the second rod body is provided with an external thread connector, the other end of the second rod body is provided with an internal thread slot, and the length of the second rod body is shorter than the length of the first rod body. Multiple specifications of rod bodies are convenient for adjusting the length of the support rod and are easy to store.

[0011] It also includes a fixed cover, one side of which is provided with a machine head groove and at least one fixed groove, the support rod is clamped in the corresponding fixed groove, the fixed cover covers the back of the machine head assembly, the machine head of the machine head assembly is placed in the machine head groove, and the bottom surface of the base sits on the other side of the fixed cover. In the use state, the base and the fixed cover are connected and fixed by a connector, and in the storage state, the net cover, the fixed cover and the base of the machine head assembly are connected and fixed by a connector. The fixed cover fixes the support rod, which is not easy to scatter and protects the machine head. The fixed cover can connect the machine head assembly and the base for easy handling. At the same time, the fixed cover prevents foreign matter from entering the machine head assembly from the internal thread fixing groove of the base.

[0012] A fixing column is provided on the side of the storage cavity, and a corresponding fixing cover is provided with a stud, and a connecting piece is a screw, and the screw connects the fixing column and the stud together. The fixing cover and the base are easy to assemble, and the fixing cover is easy to store in the base.

[0013] A positioning column is provided on the side of the storage cavity, and a corresponding positioning notch is provided on the fixing cover. The positioning column is aligned and inserted into the positioning notch so that the fixing column and the stud are aligned. The fixing cover and the base are easy to assemble.

[0014] The head assembly includes a head, fan blades and a mesh cover. A motor is arranged inside the head. The back of the mesh cover is fixed to the front of the head. The fan blades are placed inside the mesh cover. The shaft of the motor extends into the mesh cover to drive the fan blades to rotate. The screw passes through the gap of the mesh cover and is threadedly connected to the stud and the fixing column. A connecting column is arranged at the bottom of the head. The top of the connecting column is connected to the head damping rotation. The top and bottom of the connecting column are provided with the external thread support head. The screws are not exposed, and the fan has a beautiful appearance after being stored. The fan retains the function of shaking the head up and down.

[0015] The nut of the screw and the fixing cover clamp the back of the mesh cover, so that the head assembly, the base and the fixing cover are connected together. The fan is not easy to fall apart after being stored, and is easy to carry and store.

[0016] The mesh cover includes a front cover body and a rear cover body. A surrounding wall extends along the edge of the front of the rear cover body, and the surrounding wall is provided with a limiting rib and a fixing. An annular protrusion extends along the edge of the back of the front cover body, and a sliding groove is provided on the outer periphery of the annular protrusion. The annular protrusion of the front cover body is inserted into the annular protrusion, and the fixing and the sliding groove are connected with a screw buckle. It is convenient to lock the screw.

[0017] The utility model can store the head assembly, the support rod and the base after disassembly, hide the support rod, reduce the occupied space and facilitate storage. The support rod is simple and easy to assemble and disassemble. The fixed cover fixes the support rod and protects the head, and the support rod is not easy to fall off. The fan after storage is not easy to fall apart, and is easy to carry and store. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural diagram of embodiment 1 (in use state).

[0019] Figure 2 This is a schematic diagram of the decomposed structure of Example 1.

[0020] Figure 3 It is a structural schematic diagram of embodiment 1 (storage state).

[0021] Figure 4 This is a schematic diagram of the exploded structure of Example 1 (storage state).

[0022] Figure 5 It is a schematic diagram of the structure of the fixed cover in the first embodiment. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0024] Example 1, see Figure 1-5 As shown, a fan includes a head assembly 1, a support rod 2, a base 3 and a fixed cover 4, the top of the support rod 2 is quickly connected to the head assembly 1, the bottom of the support rod 2 is quickly connected to the top of the base 3, a storage cavity 30 is provided in the base 3, and an opening communicating with the storage cavity 30 is provided on the bottom surface of the base 3. The base 3 includes an upper section and a lower section, the upper section is conical, the lower section is cylindrical, and the interior is hollow to form the storage cavity 30.

[0025] The support rod 2 includes two sections of the first rod body 21 and one section of the second rod body 22. One end of the first rod body 21 is provided with an external thread connector 23, and the other end of the first rod body 21 is provided with an internal thread slot 24. The head assembly 1 is provided with an external thread support head 81, and the top of the base 3 is provided with an internal thread fixing groove 31. The external thread connector 23 is threadedly connected with the internal thread slot 24 or the internal thread fixing groove 31, and the external thread support head 81 is threadedly connected with the internal thread slot 24 or the internal thread fixing groove 31. The length of the first rod body 21 is shorter than the diameter of the mesh cover 7 of the head assembly 1. One end of the second rod body 22 is provided with an external thread connector 23, and the other end of the second rod body 22 is provided with an internal thread slot 24. The length of the second rod body 22 is shorter than the length of the first rod body 21. The first rod body 21 and the second rod body 22 have the same structure, only the length is different. The center of the top of the upper section is set at the internal thread fixing groove 31.

[0026] A head groove 41 and at least one fixed groove 42 are provided on one side of the fixed cover 4, the support rod 2 is clamped in the corresponding fixed groove 42, the fixed cover 4 covers the back of the head assembly 1, the head 5 of the head assembly 1 is placed in the head groove 41, the bottom surface of the base 3 sits on the other side of the fixed cover 4, and the base 3 and the fixed cover 4 are connected and fixed by a connecting piece (not shown in the figure). In this embodiment, there are three fixed grooves 42, two of which are adapted to the length of the first rod body 21, and the two fixed grooves 42 are respectively placed on both sides of the head groove 41, and the remaining fixed groove 42 is adapted to the length of the second rod body 22, and the fixed groove 42 is placed on the side of the fixed groove 42 where the first rod body 21 is installed away from the head groove 41. The structural design is reasonable and space-saving. An elastic buckle 43 is provided on the inner side of the fixed groove 42, and the elastic buckle 43 fixes the second rod body 22 or the first rod body 21 in the corresponding fixed groove 42.

[0027] A fixing column 33 is provided on the side of the storage cavity 30, and a corresponding fixing cover 4 is provided with a stud 44, and the connecting member is a screw (not shown in the figure), and the screw connects the fixing column 33 and the stud 44. The fixing column 33 is provided with a screw hole.

[0028] A positioning column 32 is provided on the side of the storage cavity 30 , and a corresponding positioning notch 45 is provided on the fixing cover 4 . The positioning column 32 is aligned and inserted into the positioning notch 45 , so that the fixing column 33 and the stud 44 are aligned.

[0029] The head assembly 1 includes a head 5, fan blades 6 and a mesh cover 7. A motor is arranged inside the head 5. The back of the mesh cover 7 is fixed to the front of the head 5. The fan blades 6 are placed inside the mesh cover 7. The rotating shaft of the motor extends into the mesh cover 7 to drive the fan blades 6 to rotate. The screw passes through the gap of the mesh cover 7 and is threadedly connected to the stud 44 and the fixing column 33. A connecting column 8 is arranged at the bottom of the head 5. The top of the connecting column 8 is connected to the head 5 for damping rotation. The external threaded support head 81 is arranged at the top and bottom of the connecting column 8.

[0030] The nut of the screw and the fixing cover 4 clamp the back of the mesh cover 7, so that the head assembly 1, the base 3 and the fixing cover 4 are connected together.

[0031] The mesh cover 7 includes a front cover body 71 and a rear cover body 72. A surrounding wall 73 extends along the edge of the front side of the rear cover body 72. The surrounding wall 73 is provided with limiting ribs 74 and a fixing 75. An annular protrusion 76 extends along the edge of the back side of the front cover body 71. A sliding groove 77 is provided on the outer periphery of the annular protrusion 76. The annular protrusion 76 of the front cover body 71 is inserted into the annular protrusion 76. The fixing 75 and the sliding groove 77 are connected by a screw-lock.

[0032] In the use state, according to the use scenario, the required length of the support rod 2 is determined, and the two sections of the first rod body 21 and the section of the second rod body 22 are threadedly connected into one body. For example, in this embodiment, when used as a floor fan, the two sections of the first rod body 21 are threadedly connected to form the support rod 2, and then the internal threaded slot 24 at the top of the support rod 2 is threadedly connected to the external threaded support head 81 of the connecting column 8, and the external threaded connector 23 at the bottom of the support rod 2 is threadedly connected to the internal threaded fixing groove 31 of the base 3. The fixed cover 4 is installed in the storage cavity 30 of the base 3 through the connecting piece, and the remaining section of the second rod body 22 is clamped in the corresponding fixing groove 42, so that the fixed cover 4 and the second rod body 22 are hidden and stored, which does not affect the use of the fan and is not easy to lose.

[0033] Or it can be used as a table fan, with a section of the second rod body 22 or the first rod body 21 serving as the support rod 2 , or the external thread connector 23 at the bottom end of the support rod 2 being directly threadedly connected to the internal thread fixing groove 31 of the base 3 .

[0034] In the storage state, the back of the head assembly 1 is placed upward, the support rod 2 is segmented and clamped in the corresponding fixing groove 42, the fixing cover 4 is covered on the back of the rear cover body 72, so that the head 5 is placed in the head groove 41, the bottom surface of the base 3 is covered on the back of the rear cover body 72, and the fixing cover 4 is placed in the storage cavity 30. Remove the front cover body 71, and thread the connector through the gap of the rear cover body 72 through the stud 44 and the fixing column 33. At the same time, the nut of the screw and the fixing cover 4 clamp the back of the mesh cover 7, and then install the front cover body 71, so that the head assembly 1, the fixing cover 4 and the base 3 are connected together to realize the storage of the fan, the overall volume is reduced, and it is convenient to store. The fan blades 6 are completely hidden and not easy to accumulate dust.

[0035] In the present invention, the support rod 2 can also be a telescopic rod composed of multiple sections.

Claims

1. A fan, comprising a head assembly (1), a support rod (2) and a base (3), characterized in that: The top of the support rod (2) is connected to the machine head assembly (1) by quick release, and the bottom of the support rod (2) is connected to the top of the base (3) by quick release. A storage cavity (30) is provided in the base (3), and an open opening communicating with the storage cavity (30) is provided on the bottom surface of the base (3). In the storage state, the back of the machine head assembly (1) is placed upward, the bottom surface of the base (3) is facing downward and covers the back of the machine head assembly (1), and the support rod (2) is stored in the storage cavity (30).

2. The fan according to claim 1, characterized in that: The support rod (2) comprises at least one section of a first rod body (21); one end of the first rod body (21) is provided with an external thread connector (23); the other end of the first rod body (21) is provided with an internal thread slot (24); the head assembly (1) is provided with an external thread support head (81); the top of the base (3) is provided with an internal thread fixing groove (31); the external thread connector (23) is threadedly connected to the internal thread slot (24) or the internal thread fixing groove (31); the external thread support head (81) is threadedly connected to the internal thread slot (24) or the internal thread fixing groove (31); the length of the first rod body (21) is shorter than the diameter of the mesh cover (7) of the head assembly (1).

3. The fan according to claim 2, characterized in that: The support rod (2) comprises at least one section of a second rod body (22); one end of the second rod body (22) is provided with an external thread connector (23); the other end of the second rod body (22) is provided with an internal thread slot (24); and the length of the second rod body (22) is shorter than that of the first rod body (21).

4. The fan according to claim 1, characterized in that: The invention also comprises a fixed cover (4), one side of which is provided with a machine head groove (41) and at least one fixed groove (42), the support rod (2) being clamped in the corresponding fixed groove (42), the fixed cover (4) covering the back of the machine head assembly (1), the machine head (5) of the machine head assembly (1) being placed in the machine head groove (41), the bottom surface of the base (3) sitting on the other side of the fixed cover (4), in the use state, the base (3) and the fixed cover (4) are connected and fixed by a connecting piece, and in the storage state, the net cover (7) of the machine head assembly (1), the fixed cover (4) and the base (3) are connected and fixed by a connecting piece.

5. The fan according to claim 4, characterized in that: A fixing column (33) is provided on the side of the storage cavity (30), and a corresponding fixing cover (4) is provided with a stud (44). The connecting piece is a screw, and the screw connects the fixing column (33) and the stud (44) together.

6. The fan according to claim 5, characterized in that: A positioning column (32) is provided on the side of the storage cavity (30), and a corresponding fixing cover (4) is provided with a positioning notch (45). The positioning column (32) is aligned and inserted into the positioning notch (45) so that the fixing column (33) and the stud (44) are aligned.

7. The fan according to claim 4, characterized in that: There are three fixing grooves (42), two of which are longer than the remaining fixing grooves (42), the two longer fixing grooves (42) are respectively arranged on both sides of the machine head groove (41), and the shorter fixing groove (42) is arranged on the side of the longer fixing groove (42) away from the machine head groove (41).

8. The fan according to claim 2, characterized in that: The machine head assembly (1) comprises a machine head (5), a fan blade (6) and a mesh cover (7). A motor is arranged in the machine head (5). The back of the mesh cover (7) is fixed to the front of the machine head (5). The fan blade (6) is placed in the mesh cover (7). The rotating shaft of the motor extends into the mesh cover (7) to drive the fan blade (6) to rotate. The screw passes through the gap in the mesh cover (7) and is threadedly connected to the stud (44) and the fixing column (33). A connecting column (8) is arranged at the bottom of the machine head (5). The top of the connecting column (8) is connected to the machine head (5) in a damping rotation manner. The external thread support head (81) is arranged at the top and bottom of the connecting column (8).

9. The fan according to claim 8, characterized in that: The nut of the screw and the fixing cover (4) clamp the back of the mesh cover (7) so that the head assembly (1), the base (3) and the fixing cover (4) are connected together.

10. The fan according to claim 8, characterized in that: The net cover (7) comprises a front cover body (71) and a rear cover body (72); a surrounding wall (73) extends along the edge of the front face of the rear cover body (72); the surrounding wall (73) is provided with a limiting rib (74) and a fixing (75); an annular protrusion (76) extends along the edge of the back face of the front cover body (71); a sliding groove (77) is provided on the outer periphery of the annular protrusion (76); the annular protrusion (76) of the front cover body (71) is inserted into the annular protrusion (76); the fixing (75) and the sliding groove (77) are connected by a screw-lock fit.

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