TWM582074U - Fan angle adjustment device - Google Patents

Abstract

The present invention is a fan angle adjusting device, which is disposed between the motor of the fan and the column of the base. The motor and the column are provided with upper and lower seats that are pivotally connected to each other, wherein the lower seat body protrudes upwardly from the two side plates and The rotating block of the upper body is located between the two side plates, and a first elastic member is disposed at a pivoting position of the pivoting portion of the upper and lower seats, and a second elastic member is disposed at a parallel to the pivoting center to provide It has a large pitch angle adjustment, and can provide stable operation between the upper body and the lower body during adjustment and has better positioning effect.

Description

Fan angle adjustment device

The utility model relates to an electric fan, in particular to a fan angle adjusting device which can provide a fan head with a large pitch angle.

The electric fan of the prior art has a structure in which a head is pivotally disposed at a top end of a column above a base, and a motor is disposed in the fan head, and the motor can drive a blade to rotate to generate airflow, and the fan head and the column are disposed between the fan head and the column. There is a swinging device, and the user can control the left and right swinging device to make the fan head swing to the left or right to stop the direction of the airflow sent by the fan. In addition, the fan head and the column are mutually By pivoting, the fan head can also adjust the pitch angle of the fan head relative to the column to match the left and right oscillating head device, so that the wind direction airflow can assume a three-dimensional shape, but the prior art can be used to adjust the pitch angle of the fan head to be extremely limited. Therefore, although such a fan can provide a three-dimensional airflow for use at home or in a place of use, the position at which the generated and blown air stream can be blown is still limited, and needs to be further improved.

In view of the problems and shortcomings of the prior art electric fan, the creator has re-created the pitch adjustment mechanism, and the fan head with the fan blade can be adjusted to a larger angle with respect to the column as needed, and can be compared. Multiple positioning points, so that the air flow from the fan can reach a large range of use, and the fan head can be easily positioned at different angles according to actual needs.

In order to achieve the above-mentioned creative purpose, the technical means used in the present invention is to provide a fan angle adjusting device, which comprises a lower seat body, an upper seat body and a pivoting member, the pivoting member penetrating the upper seat body and the lower portion. One end portion of the base body; two side plates are protruded in the upper direction of the lower seat body, and a receiving groove is formed between the two side plates, wherein an inner side surface of the one side plate is provided with an adjusting piece, and the piece body of the adjusting piece has a plurality of positioning a hole and a perforation, the pivoting member is disposed through the through hole, and each of the plurality of positioning holes is arranged in a center of the perforation; the upper body has a rotating block, and the rotating block is correspondingly located in the receiving groove of the lower seat a ring groove is formed on one side of the rotating block and recessed in the outer ring of the pivoting member, and an upper positioning groove and a concave portion are respectively concavely formed at the upper and lower positions, and the upper positioning groove and the concave portion are respectively concavely formed Interconnecting with the annular groove, having a first elastic member, the first elastic member is disposed in the annular groove, and the upper pole of one end is located in the upper positioning groove, and the lower pole of the other end is located therein. Concave portion and the lower seat The other side of the rotating block is recessed to form a long groove at the outer side of the pivoting member, and a second elastic member and a fastener are disposed in the long groove. The second elastic member pushes the fastener and fixes each other corresponding to the positioning hole of one of the tabs.

In the fan angle adjusting device, the inner side wall surface of the side plate of the lower seat body has a lower positioning groove, and the first elastic member can be a torsion spring, and the lower rod can be disposed at the lower positioning groove.

In the fan angle adjusting device, the two side plates of the lower seat body have a lower shaft hole located in the same center line, and the rotating block penetrates an upper shaft hole, and the upper shaft hole is a lower shaft hole corresponding to the lower seat body. And the perforation of the adjusting piece, the pivoting member can be an assembly of a screw and a nut, the screw passing through the lower shaft hole, the through hole and the upper shaft hole and the nut are coupled to each other.

In the fan angle adjusting device, a front front stop portion and a lower rear stop portion are formed between the two side plates, and the lower front stop portion is higher than the lower rear stop portion, and the front and rear end positions of the rotating block are respectively respectively An upper front stop portion and an upper rear stop portion are formed, and the upper front stop portion and the upper rear stop portion of the turn block of the upper base body respectively resist the lower front stop portion and the lower rear stop portion of the lower base body.

By the use of the foregoing technical means, the present invention is disposed between the motor of the fan and the column of the base. Since the two side plates protruding upward from the lower body are pivotally connected with the rotating block of the upper body, the fan head of the fan can be opposite to the fan head of the fan. The lower seat has a larger pitch angle for the user to adjust, and the first elastic member provided by the upper and lower bases that are pivotally connected to each other provides better stability between the motor having the fan head and the column. Balanced, in addition, the fasteners disposed on the upper body by the second elastic member can be locked with one of the positioning holes to obtain a better positioning effect.

Referring to FIG. 1 and FIG. 2, the present invention is a fan angle adjusting device, which includes a lower base 10, an upper base 20 and a pivoting member 30. The pivoting member 30 extends through the upper base 20 and the lower base. One end of the upper portion 10 is pivoted. Referring to FIG. 2, when the present invention is applied to a fan, the other end of the upper body 20 is connected to a motor 40. The motor 40 is mounted with a fan head 41 and can be driven at a position. The blades in the fan head 41 rotate, and the lower base 10 is coupled to the uprights 51 located above the base 50.

Referring to FIG. 3 and FIG. 4, the lower base 10 has a receiving slot 11 formed thereon. The receiving slot 11 is formed by two side plates 12 protruding above the lower base 10, and the two side plates 12 are formed between the two sides. The front stop portion 111 and the lower rear stop portion 112 are higher in position than the lower rear stop portion 112. The two side plates 12 have lower shaft holes 121 located in the same center line, and the side plate 12 therein The inner side wall surface has a lower positioning groove 122, and the inner side wall surface of the other side plate 12 is provided with a adjusting piece 13. The adjusting piece 13 can be a single piece. The sheet piece of the adjusting piece 13 has a plurality of positioning holes 131 and a through hole 132. The through hole 132 corresponds to the lower shaft hole 121, and each of the plurality of positioning holes 131 is arranged in a center of the through hole 132;

The upper body 20 can be a body, and a rotating block 21 is formed in the receiving slot 11 corresponding to the lower base 10. The front and rear end positions of the rotating block 21 are respectively formed with an upper front stop portion 216 and an upper rear stop portion. 215, the rotating block 21 is inserted through an upper shaft hole 211, and the upper shaft hole 211 is a lower shaft hole 121 corresponding to the lower base body 10 and the through hole 132 of the adjusting piece 13, as shown in FIG. 5 and FIG. A ring groove 210 is formed on one side of the block 21 and is recessed at an outer ring of the upper shaft hole 211, and an upper positioning groove 212 and a concave portion 213 are respectively concavely formed at upper and lower positions, and the ring groove 210 is The upper positioning slot 212 and the recessed portion 213 are in communication with each other. A first elastic member 22 can be a torsion spring. The first elastic member 22 is sleeved in the annular groove 210, and the upper rod 221 of one end thereof is disposed. Positioned in the upper positioning slot 212, the lower end 222 of the other end is located in the recess 213 and is disposed in the lower positioning slot 122 of the lower base 10. The other side of the rotating block 21 is located in the upper shaft hole. A long groove 214 is formed in the outer ring of the 211, and the position of the long groove 214 corresponds to each of the positioning holes 131 of the adjusting piece 13, as shown in FIG. 6 and FIG. A second elastic member 23 and a fastener 24 are disposed in the long slot 214. The elastic force of the second elastic member 23 can be displaced outwardly, so that the fastener 24 can be combined with one of the fasteners 24 The positioning hole 131 is fixed at a position;

The pivoting member 30 can be an assembly of a screw and a nut. The screw penetrates the lower shaft hole 121, the through hole 132 and the upper shaft hole 211 and the nut are coupled to each other, thereby the upper body 20 and the lower portion. The bases 10 are pivotally connected to each other, and even if the upper body 20 is adjustable relative to the lower base 10 by a pitch angle, the upper front stop portion 216 and the upper rear stop portion 215 of the turn block 21 of the upper base 20 can be respectively The lower front stop portion 111 and the lower rear stop portion 112 of the lower seat body 10 resist each other to control the maximum position of the pitch angle of the upper seat body 20 with respect to the lower seat body 10.

Referring to FIG. 1 and FIG. 8 , when the fan is applied to the fan, the fan head 41 of the fan can be directed toward the generally used angle, and the airflow is blown toward the lateral direction. The blown airflow is blown laterally and laterally, and the user adjusts the pitch angle of the airflow blown by the fan head 41 according to the use requirement, because the upper seat body 20 connected to the motor 40 of the present invention can have a large pitch with respect to the lower base body 10. The angle is adjusted, and the position of the first elastic member 22 is matched to balance the position of the motor 40 and the fan head 41 after adjusting the angle, and the card fixing position of the fastener 24 and the positioning hole 131 is utilized to ensure the positioning of the adjusted angle.

10‧‧‧ Lower body

11‧‧‧ 容容  111‧‧‧ Lower front section

112‧‧‧ Lower rear section  12‧‧‧ side panels

121‧‧‧ lower shaft hole  122‧‧‧Lower positioning slot

13‧‧‧Adjustment  131‧‧‧Positioning holes

132‧‧‧Perforation  20‧‧‧The upper body

21‧‧‧Transfer  210‧‧‧ Ring groove

211‧‧‧Upper shaft hole  212‧‧‧Upper positioning slot

213‧‧‧ recess  214‧‧‧Long slot

215‧‧‧Upper rear section  216‧‧‧Upper front

22‧‧‧First elastic parts  221‧‧‧Upper

222‧‧‧Lower  23‧‧‧Second elastic parts

24‧‧‧ card firmware  30‧‧‧ pivoting parts

40‧‧‧Electric motor  41‧‧‧ fan head

50‧‧‧Base  51‧‧‧ column  

Figure 1 is a perspective view of the present invention.  Fig. 2 is a schematic view showing the state of use of the fan in the present invention.  Figure 3 is an exploded perspective view of the present invention.  Figure 4 is an exploded perspective view of another angle of the present invention.  Figure 5 is a schematic cross-sectional view of the present invention.  Figure 6 is a cross-sectional view taken along line A-A of Figure 1.  Fig. 7 is a schematic view showing the adjustment of the angle of the fan head of the present invention.  Fig. 8 is a schematic view showing the electric fan in an upward airflow direction in the present invention.  

Claims (4)

A fan angle adjusting device includes a lower seat body, an upper seat body and a pivoting member, the pivoting member penetrating the upper seat body and one end portion of the lower seat body;  A plurality of side plates are defined in the upper direction of the lower body, and a receiving groove is formed between the two side plates. The inner side wall surface of the one side plate is provided with an adjusting piece, and the sheet body of the adjusting piece has a plurality of positioning holes and a through hole. The pivoting member is disposed through the through hole, and each of the plurality of positioning holes is arranged in a center of the perforation;  The upper seat body has a rotating block, and the rotating block is correspondingly located in the receiving groove of the lower seat body, and a side groove of the rotating block and a ring groove is formed in the outer ring of the pivoting member, and is above And an upper positioning groove and a concave portion respectively formed in the lower position, wherein the upper positioning groove and the concave portion are in communication with the annular groove, and have a first elastic member, and the first elastic member is sleeved in the annular groove And the upper pole of one end is located in the upper positioning groove, and the lower pole of the other end is located in the recess and is positioned against the lower seat, and the other side of the rotating block is located outside the pivoting member a concave groove is formed in the ring, a second elastic member and a fastener are disposed in the long groove, and the second elastic member pushes the fastener and corresponds to one of the adjusting pieces Position the holes to secure each other.   The fan angle adjusting device of claim 1, wherein the inner side wall surface of the side plate of the lower seat body has a lower positioning groove, the first elastic member can be a torsion spring, and the lower rod can be worn in the lower positioning groove. . The fan angle adjusting device according to claim 1 or 2, wherein the two side plates of the lower base have a lower shaft hole located at the same center line, and the rotating block has an upper shaft hole, and the upper shaft hole corresponds to the lower portion. The lower shaft hole of the seat body and the through hole of the adjusting piece, the pivoting member may be an assembly of a screw and a nut, the screw passing through the lower shaft hole, the through hole and the upper shaft hole and the nut are coupled to each other. The fan angle adjusting device according to claim 3, wherein a lower front stop portion and a lower rear stop portion are formed between the two side plates, and the lower front stop portion is higher than the lower rear stop portion, and the turn block is The front rear end position is respectively formed with an upper front stop portion and an upper rear stop portion, and the upper front stop portion and the upper rear stop portion of the turn block of the upper seat body and the lower front stop portion and the lower rear stop portion of the lower base portion respectively Resist each other.