Novel electric fan

Abstract

The utility model discloses a novel electric fan which is characterized in that a fan body is arranged on the inner side of a frame, the left side and the right side of the frame are respectively provided with a guide rail support, a plurality of second positioning grooves facing the side wall of the fan body are formed along the guide rail supports from top to bottom, and the guide rail supports are provided with guide rails arranged up and down; the left side wall and the right side wall of the fan body are provided with connectors facing the guide rail support respectively, the connectors are provided with guide rail holes and second positioning holes, the guide rails penetrate through the guide rail holes so that the connectors can move up and down along the guide rails, second elastic positioning pins are installed in the second positioning holes, and the second elastic positioning pins and the second positioning grooves are in elastic abutting connection. The lifting height of the fan body is controlled. The connector slides up and down along the guide rail, the second elastic positioning pin arranged on the connector elastically abuts against the second positioning groove in the guide rail support, when the fan body is lifted, the second elastic positioning pin is matched with the second positioning groove in the guide rail support to form an anti-slip structure, the structure is simple and reliable, and cost is low.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioning, in particular to a novel electric fan which can be adjusted in height and pitch angle. Background Art

[0002] As a household appliance used to cool down and regulate the air in summer, electric fans are popular among users because of their simple operation, easy mobility, energy saving and environmental protection, and moderate price. They are used in almost all households.

[0003] Adjusting the angle and height of electric fans according to user needs has become a common function of electric fans.

[0004] In the prior art, the height of electric fans is commonly adjusted by extending and retracting the column rod, which divides the hollow column rod into two sections with different diameters. The small-diameter column rod is movably arranged inside the large-diameter column rod, and the overall height is adjusted by adjusting the depth of the small-diameter column rod inserted into the large-diameter column rod. This structural method makes the appearance design of the electric fan product monotonous, outdated and lacks novelty. Utility Model Content

[0005] In order to solve the above-mentioned technical problems, break through the existing styling styles, meet the needs of different home styles, and achieve product diversification, the utility model provides a new type of electric fan.

[0006] The technical solutions adopted are as follows:

[0007] A new type of electric fan includes a frame and a fan body, the fan body is arranged on the inner side of the frame, and guide rail brackets are respectively provided on the left and right sides of the frame, and a plurality of second positioning grooves facing the side walls of the fan body are arranged from top to bottom along the guide rail bracket, and the guide rail bracket is provided with guide rails arranged up and down; the left and right side walls of the fan body are respectively provided with connectors facing the guide rail bracket, and the connector is provided with a guide rail hole and a second positioning hole, the guide rail passes through the guide rail hole, so that the connector slides up and down along the guide rail, and a second elastic positioning pin is installed in the second positioning hole, and the second elastic positioning pin forms an elastic abutment connection with the second positioning groove, which is used to control the lifting height of the fan body.

[0008] Furthermore, axle holes are respectively provided on the left and right side walls of the fan body, one end of the connector passes through the axle hole and is fixedly connected to a rotating block provided on the inner side of the side wall of the fan body, so that the side wall of the fan body is clamped between the connector and the rotating block; a plurality of first positioning grooves are provided on the outer circumferential surface of the rotating block, and a first positioning hole corresponding to the first positioning groove is also provided on the fan body, and a first elastic positioning pin is installed in the first positioning hole, and the first elastic positioning pin forms an elastic abutment connection with the first positioning groove for controlling the rotation angle of the fan body.

[0009] Furthermore, the connector and the rotating block are provided with through-holes for passing wires, and the outer circumferential surface of the connector is also provided with a circular slot, and the frame wall is arranged at the slot.

[0010] Preferably, the first elastic positioning pin includes a first positioning nail and a first elastic member, the first elastic member is arranged in the first positioning hole, one end of the first positioning nail is placed in the first positioning hole and is against the first elastic member, and the first positioning nail and the first positioning groove form an elastic abutment.

[0011] Preferably, the second elastic positioning pin includes a second positioning nail and a second elastic member, the second elastic member is arranged in the second positioning hole, one end of the second positioning nail is placed in the second positioning hole and is against the second elastic member, and the second positioning nail and the second positioning groove form an elastic abutment.

[0012] Preferably, the frame includes a front frame and a rear frame, the front frame and the rear frame are fixedly connected, and the guide rail bracket is installed on the inner wall of the frame.

[0013] Further preferably, the fan body includes a front shell, a rear shell and a fan, the fan is installed on the rear shell, the shaft hole is formed on both side walls of the rear shell, and the first positioning hole is provided on the rear shell.

[0014] The technical solution of this utility model has the following advantages:

[0015] A. The utility model provides connectors on the left and right sides of the fan body, and provides guide rail brackets and guide rails on the corresponding frames. The guide rails pass through the guide rail holes on the connectors, and the connectors can move up and down along the guide rails. The second elastic positioning pins provided on the connectors form elastic interference with the second positioning grooves on the guide rail brackets. When the fan body is raised or lowered, the second elastic positioning pins can cooperate with the second positioning grooves on the guide rail brackets to form a non-slip structure. The structure is simple, reliable, and low in cost.

[0016] B. The present invention further provides a first positioning hole on the rear shell of the fan body, and a first elastic positioning pin is provided in the first positioning hole. The first elastic positioning pin cooperates with the first positioning groove on the outer circumferential surface of the rotating block to form a non-slip structure, which can adjust the pitch angle of the fan body. The present invention simply realizes the fan body height and angle adjustment function, increases the product functional selling point and user experience, and meets the needs of more scenarios.

[0017] C. The fan body in the utility model realizes height adjustment and angle adjustment in the frame, which is a new form of fan. It breaks through the styling style in the existing technology, meets the needs of different home styles, and realizes product diversification. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation methods of the present invention, the following will briefly introduce the drawings required for use in the specific implementation methods. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 This is an axonometric diagram of the electric fan provided by the utility model;

[0020] Figure 2 yes Figure 1 The exploded axonometric diagram of the electric fan shown;

[0021] Figure 3 yes Figure 1 Exploded axonometric diagram of the middle sector;

[0022] Figure 4 This is a schematic longitudinal sectional view of the electric fan provided by the utility model;

[0023] Figure 5 This is a transverse cross-sectional view of the electric fan provided by the utility model;

[0024] Figure 6 This is an axonometric diagram of the rotating block provided by the present utility model;

[0025] Figure 7 This is an axonometric diagram of the connector provided by the utility model.

[0026] The symbols in the figure mean the following:

[0027] 1-Framework

[0028] 11-front frame, 12-rear frame

[0029] 2-Fan body

[0030] 21-front shell, 22-rear shell, 23-fan, 24-first positioning hole

[0031] 3-rail bracket

[0032] 31-Second positioning slot

[0033] 4-Guide Rail

[0034] 5-Connector

[0035] 51-guide rail hole, 52-second positioning hole, 53-card slot

[0036] 6-Second elastic positioning pin

[0037] 61-second positioning pin, 62-second elastic member

[0038] 7-Rotation Block

[0039] 71-first positioning groove

[0040] 8-First elastic positioning pin

[0041] 81-first positioning pin, 82-first elastic member

[0042] 9-Base

[0043] a-shaft hole, b-wire hole. DETAILED DESCRIPTION

[0044] The following is a clear and complete description of the technical solution of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0045] like Figures 1 to 7As shown, the utility model provides a new type of electric fan, including a frame 1, a fan body 2 and a base 9. The fan body 2 is arranged on the inner side of the frame 1, and the base 9 is detachably fixedly connected to the lower end of the frame 1. Guide rail brackets 3 are respectively provided on the left and right sides of the frame 1. A plurality of second positioning grooves 31 facing the side wall of the fan body 2 are arranged along the guide rail bracket 3 from top to bottom. A circular arc transition is adopted between two adjacent second positioning grooves 31. The guide rail bracket 3 is provided with a guide rail 4 arranged up and down, so that the guide rail 4 can be detachably fixed to the guide rail bracket 3; the left and right side walls of the fan body 2 are respectively provided with The connector 5 facing the guide rail bracket 3 is a cylindrical structure. The connector 5 is provided with a guide rail hole 51 and a second positioning hole 52. The second positioning hole 52 is arranged along the axial direction of the connector 5, and the guide rail hole 51 is arranged along its radial direction. It is arranged at the end of the connector 5 in the form of a perforated ear plate. The guide rail 4 adopts a guide rod structure, which passes through the guide rail hole 51, so that the connector 5 slides up and down along the guide rail 4. A second elastic positioning pin 6 is installed in the second positioning hole 52. The second elastic positioning pin 6 forms an elastic abutment connection with the second positioning groove 31 and positions the lifting height of the fan body 2. Figure 1 As shown in the figure, when the fan body 2 is moved upward, the second elastic positioning pins 6 on both sides of the fan body 2 can be synchronously moved upward to the second positioning groove 31 at a higher position, thereby raising the air outlet position of the fan body 2. Conversely, the fan body 2 is lowered, thereby lowering the air outlet position of the fan body 2, making it very convenient to operate the fan body 2 up and down.

[0046] As a further preferred embodiment of the present invention, Figure 3 and Figure 4 As shown, a shaft hole a is respectively provided at the same height position corresponding to the left and right side walls of the fan body 2. The shaft hole a is located in the middle of the fan body 2. One end of the connector 5 passes through the shaft hole a and is fixedly connected to the rotating block 7 provided on the inner side of the side wall of the fan body 2, so that the side wall of the fan body 2 is clamped between the connector 5 and the rotating block 7; a plurality of first positioning grooves 71 are provided on the outer circumferential surface of the rotating block 7, and two adjacent first positioning grooves 71 present an arc transition. A first positioning hole 24 corresponding to the first positioning groove 71 is also provided on the fan body 2. The first positioning hole 24 here is preferably a cylindrical rod structure with a central through hole. A first elastic positioning pin 8 is installed in the first positioning hole 24. The first elastic positioning pin 8 forms an elastic abutment connection with the first positioning groove 71 for controlling and positioning the rotation angle of the fan body 2, that is, the pitch angle.

[0047] The first elastic positioning pin 8 used in the present invention includes a first positioning pin 81 and a first elastic member 82. The first elastic member 82 is a spring and is disposed in the first positioning hole 24. One end of the first positioning pin 81 is placed in the first positioning hole 24 and abuts against the first elastic member 82. The first positioning pin 81 forms an elastic abutment with the first positioning groove 71. When the fan body 2 is rotated, the fan body 2 rotates around a certain angle with the connector in the shaft hole a and the rotating block as the axis. The first positioning pin 81 will, by virtue of its elastic action, withdraw from the first positioning groove 71 position on the current rotating block 7. The first positioning pin 81 will abut against each first positioning groove 71 around the rotating block 7 and then withdraw until the fan body 2 rotates to the appropriate position, at which point the first positioning pin 81 abuts against the first positioning groove 71 at the corresponding position, completing the adjustment of the fan body angle.

[0048] The second elastic positioning pin 6 used in the present invention includes a second positioning nail 61 and a second elastic member 62. The second elastic member 62 is arranged in the second positioning hole 52 and adopts a spring. One end of the second positioning nail 61 is placed in the second positioning hole 52 and abuts against the second elastic member 62. The second positioning nail 61 and the second positioning groove 31 form an elastic abutment. When the fan body 2 is raised or lowered, as shown in FIG. Figure 1 As shown by the arrow, the second positioning pin 6 at this time withdraws from the current second positioning slot 31. In the process of the connector 5 rising or falling along the guide rail 4, the second positioning pin 6, under the action of the second elastic member 62, abuts against each second positioning slot 31 and then withdraws and enters the next second positioning slot 31 until the second positioning pin 81 abuts against the second positioning slot 31 of the set height, completing the adjustment of the lifting height of the fan body 2.

[0049] In order to better lead out the power line of the fan 23, the utility model is provided with a through-hole b on the connector 5 and the rotating block 7, such as Figure 6 and Figure 7 As shown, a circular slot 53 is further provided on the outer circumferential surface of the connector 5 , and the wall of the frame 1 is arranged at the slot 53 , so that a relative rotation connection is formed between the fan body 2 and the connector 5 .

[0050] like Figure 3 and Figure 5 As shown, the fan body 2 in the present invention includes a front shell 21, a rear shell 22 and a fan 23. The fan 23 is installed on the rear shell 22. The shaft hole a is formed on both side walls of the rear shell 22, and the first positioning hole 24 is set on the rear shell 22.

[0051] The specific connection relationship is as follows: the fan 23 is fixedly mounted on the rear shell 22, the first elastic member 82 is placed in the first positioning hole 24 of the rear shell 22, and the first positioning pin 81 is placed outside the first elastic member 82. The connector 5 passes through the shaft hole a on the rear shell 22 from the outer side of the rear shell 22, and the rotating block 7 is fixedly connected to the connector 5 from the inner side of the rear shell 22. The side wall of the rear shell 22 is rotatably clamped between the connector 5 and the rotating block 7. The first positioning groove 71 on the rotating block 7 is in conflict with the first positioning pin 81. The front shell 21 covers the rear shell 22 and is fixed together. Figure 5 shown.

[0052] The second elastic member 62 is placed in the second positioning hole 52 on the connector 5, and the second positioning pin 61 is placed outside the second elastic member 62. The second positioning pin 61 contacts the second positioning groove 31 on the guide rail bracket 3. The guide rail 4 is pushed into the guide rail hole 51 on the connector 5 from the bottom end of the guide rail bracket 3 and passes through the guide rail 4. The guide rail 4 is fixed on the guide rail bracket 3, so that the connector 5 moves along the guide rail 4 on the guide rail bracket 3. Figure 4 shown.

[0053] At the same time, the present invention divides the frame 1 into two parts, namely the front frame 11 and the rear frame 12. The front frame 11 and the rear frame 12 are detachably connected, and the guide rail bracket 3 is fixedly installed on the inner wall of the frame formed by the front frame 11 and the rear frame 12. Figure 2 As shown, the base 9 and the lower end of the frame 1 are fixedly installed on the ground.

[0054] During operation, to adjust the height of fan 2, fan 2 is slid up and down on frame 1. Under the action of second elastic member 62, second positioning pin 61 is positioned in second positioning slot 31 on guide rail bracket 3, positioning fan 2 at the desired height. To adjust the pitch angle of fan 2, the upper end of fan 2 is pulled, and fan 2 rotates around shaft hole a. Under the action of first elastic member 82, first positioning pin 81 is positioned in first positioning slot 71 on rotating block 7, positioning fan 2 at the desired angle.

[0055] Any matters not described in this utility model are applicable to the prior art.

[0056] Obviously, the above embodiments are merely examples for clarity of explanation and are not intended to limit the implementation methods. Those skilled in the art will readily appreciate that other variations or modifications based on the above descriptions are possible. It is not necessary and impossible to enumerate all implementation methods here. Obvious variations or modifications arising therefrom remain within the scope of protection of the present invention.

Claims

1. A novel electric fan, comprising a frame (1) and a fan body (2), wherein the fan body (2) is arranged on the inner side of the frame (1), and is characterized in that: The frame (1) is provided with guide rail brackets (3) on the left and right sides respectively, and a plurality of second positioning grooves (31) are arranged from top to bottom along the guide rail brackets (3) facing the side walls of the fan body (2), and the guide rail brackets (3) are provided with guide rails (4) arranged up and down; the left and right side walls of the fan body (2) are provided with connectors (5) facing the guide rail brackets (3), and the connectors (5) are provided with guide rail holes (51) and second positioning holes (52), and the guide rails (4) pass through the guide rail holes (51) so that the connectors (5) slide up and down along the guide rails (4), and a second elastic positioning pin (6) is installed in the second positioning hole (52), and the second elastic positioning pin (6) forms an elastic abutment connection with the second positioning groove (31) for controlling the lifting height of the fan body (2).

2. The novel electric fan according to claim 1, characterized in that: A rotation shaft hole (a) is respectively provided on the left and right side walls of the fan body (2); one end of the connector (5) passes through the rotation shaft hole (a) and is fixedly connected to a rotating block (7) provided on the inner side of the side wall of the fan body (2), so that the side wall of the fan body (2) is clamped between the connector (5) and the rotating block (7); a plurality of first positioning grooves (71) are provided on the outer circumference of the rotating block (7); a first positioning hole (24) corresponding to the first positioning groove (71) is further provided on the fan body (2); a first elastic positioning pin (8) is installed in the first positioning hole (24); the first elastic positioning pin (8) forms an elastic abutment connection with the first positioning groove (71) for controlling the rotation angle of the fan body (2).

3. The new electric fan according to claim 2, characterized in that: The connector (5) and the rotating block (7) are provided with a through-hole (b), and a circular slot (53) is also provided on the outer circumferential surface of the connector (5), and the wall of the frame (1) is arranged at the slot (53).

4. The novel electric fan according to claim 2, characterized in that: The first elastic positioning pin (8) comprises a first positioning nail (81) and a first elastic member (82), wherein the first elastic member (82) is arranged in the first positioning hole (24), one end of the first positioning nail (81) is placed in the first positioning hole (24) and abuts against the first elastic member (82), and the first positioning nail (81) forms an elastic abutment with the first positioning groove (71).

5. The novel electric fan according to claim 2, characterized in that: The second elastic positioning pin (6) comprises a second positioning nail (61) and a second elastic member (62), wherein the second elastic member (62) is arranged in the second positioning hole (52), one end of the second positioning nail (61) is placed in the second positioning hole (52) and abuts against the second elastic member (62), and the second positioning nail (61) forms an elastic abutment with the second positioning groove (31).

6. The novel electric fan according to claim 2, characterized in that: The frame (1) comprises a front frame (11) and a rear frame (12), wherein the front frame (11) and the rear frame (12) are fixedly connected, and the guide rail bracket (3) is installed on the inner wall of the frame (1).

7. The novel electric fan according to claim 6, characterized in that: The fan body (2) comprises a front shell (21), a rear shell (22) and a fan (23); the fan (23) is mounted on the rear shell (22); the shaft hole (a) is formed on both side walls of the rear shell (22); and the first positioning hole (24) is provided on the rear shell (22).

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