TWM584373U - Wall fan structure - Google Patents

Abstract

A wall fan structure includes: a fixed base fixed to a wall; a cantilever bracket; a first end of the cantilever bracket is connected with the fixed base by a first rotary shaft joint; The second end of the cantilever bracket is connected by a second rotating shaft joint; a fan unit, the left and right sides of the fan unit are connected with the left and right ends of the connecting arm by a left shaft joint and a right shaft joint respectively; The shaft joint is the center of the circle, and the cantilever bracket can move the fan unit along its radius to change its position. Through the second shaft joint, the fan unit and the connecting arm can use the second shaft joint as the axis. While turning to the left or right axis; through the meshing action of the first tooth key and the second tooth key with the positioning teeth of the positioning shaft, the fan unit can be temporarily positioned at an angle; through the left shaft joint and the left shaft joint, The fan unit may be tentatively set at a tilt angle or change the tilt angle.

Description

Wall fan structure

This creation is about a wall fan. More specifically, it is a wall fan that is placed on the wall but can be moved left and right to change its position, and it can also change the tilt angle.

The traditional wall fan structure is roughly similar to the general table fan, except that the base of the table fan is mounted on the wall. Therefore, the traditional wall fan has the functions of a general table fan, such as adjusting the amount of air flow and the tilt angle of the fan unit , And make the fan unit blow at a fixed point or you can swing your head left and right.

The advantage of the wall fan is that it does not take up floor space and has a large range of hanging and blowing, which is suitable for large spaces, but the disadvantage is that it can only swing the head to the left and right but cannot move.

In order to solve the shortcomings of traditional wall fans, this work proposes a novel wall fan structure. The technical features and effects of this creation: a wall fan structure, comprising: a fixed base fixed to the wall; a cantilever bracket, the first end of the cantilever bracket is connected to the fixed base with a first pivot joint; a connecting arm, the The center of the connecting arm is connected to the second end of the cantilever bracket by a second rotating shaft joint; a fan unit, the left and right sides of the fan unit and the left and right ends of the connecting arm are respectively a left shaft joint and a right shaft joint Connection; with the first rotating shaft joint as the center, the cantilever bracket enables the fan unit to The formed radius moves in a circle to change its position; through the second rotating shaft joint, the fan unit and the connecting arm can use the second rotating shaft joint as the axis to rotate left or right; through the first tooth key and the second The meshing action of the tooth key with the positioning teeth of the positioning rotating shaft enables the fan unit to be temporarily positioned at an angle; through the left-axis joint and the left-axis joint, the fan unit can be temporarily set at a tilt angle or change the tilt angle.

10‧‧‧Fixed

11‧‧‧ cantilever bracket

12‧‧‧ connecting arm

14‧‧‧Peripheral locking parts

20‧‧‧First shaft joint

21‧‧‧ Upper fixed shaft

22‧‧‧ Lower fixed shaft

23‧‧‧ relay shaft

24‧‧‧ Shaft Screw

25‧‧‧ Coupling Structure

30‧‧‧Second shaft joint

431‧‧‧Frame circle

432‧‧‧Air duct

44‧‧‧Ring Noodle Cover

441‧‧‧Second shaft socket

442‧‧‧ Fourth axis socket

50‧‧‧Right shaft connector

51‧‧‧ right pivot

52‧‧‧Positioning shaft

521‧‧‧ positioning teeth

53‧‧‧The first group of elastic positioning parts

531‧‧‧first spring

31‧‧‧ first axis

32‧‧‧ second axis

33‧‧‧ Shaft connection structure

34‧‧‧rotational limit structure

341‧‧‧Turning groove

342‧‧‧Turning groove

343‧‧‧ball

40‧‧‧fan set

41‧‧‧Into the style grid

411‧‧‧First shaft socket

412‧‧‧third axis socket

42‧‧‧Motor fan blade set

421‧‧‧fan leaves

43‧‧‧windshield set

532‧‧‧first tooth key

54‧‧‧The second group of elastic positioning parts

541‧‧‧Second spring

542‧‧‧Second tooth key

55‧‧‧Rotary shaft pressure plate

551‧‧‧Press plate lock

56‧‧‧First nest joint

561‧‧‧First accommodation space

57‧‧‧Second nest joint

571‧‧‧Second accommodation space

60‧‧‧Left shaft connector

61‧‧‧left pivot

62‧‧‧ Pivot stop

63‧‧‧Limit key

Figure 1 shows the three-dimensional appearance of the wall fan.

Figure 2 is a front view of the creative wall fan.

Figure 3 is an exploded perspective view of the fan unit and connecting arm of the creative wall fan.

Figure 4 is an exploded perspective view of the right axis joint of the creative wall fan.

Figure 5 is an enlarged perspective exploded view of the right axis joint of the creative wall fan.

Figure 6 is the VI-VI sectional view of Figure 2 of the creation.

Figure 7 is an exploded perspective view of the right axis joint of the creative wall fan.

Figure 8 is a combined view of the right axis joint of the creative wall fan.

Fig. 9 is a sectional view taken along the line IX-IX in Fig. 2 of the creation.

Figure 10 is one of the schematic diagrams of the use status of the creative wall fan.

FIG. 11 is an exploded perspective view of the cantilever bracket 11 and the connecting arm of the creative wall fan.

Figure 12 is the XII-XII sectional view of Figure 2 of the creation.

Figure 13 is the second schematic diagram of the use of the creative wall fan.

Figure 14 is the third schematic diagram of the use state of the creative wall fan.

Figure 15 is the fourth schematic diagram of the use of the creative wall fan.

Figure 16 is the fifth schematic diagram of the use of the creative wall fan.

In order to facilitate the explanation of the central idea expressed by the author in the above-mentioned new content column, specific embodiments are used to express it. Various objects in the embodiments are depicted in proportions, sizes, deformations, or displacements suitable for illustration, rather than in proportion to actual elements, which will be described together. In the following description, the same and symmetrically arranged elements are denoted by the same reference numerals.

As shown in FIGS. 1 and 2, the wall fan structure of the present invention includes: a fixed base 10 fixed to a wall through a known technical solution; a cantilever bracket 11, a first end of the cantilever bracket 11 and the fixed base 10 are arranged in a first portion. A shaft joint 20 is connected; a connecting arm 12 is connected at the center of the connecting arm 12 to the second end of the cantilever bracket 11 by a second shaft joint 30; a fan set 40 is connected to the left and right sides of the fan set 40 The left and right ends of the arm 12 are connected by a left-axis joint 60 and a right-axis joint 50, respectively. A motor structure for controlling the rotation speed and the rotation direction (suction and exhaust direction) of the fan blades 421 of the fan unit 40 is provided in the fixed base 10. The motor structure is not a technical feature of the present creation, and will not be repeated here.

As shown in FIG. 3, the fan unit 40 includes an inlet grid 41, a motor fan group 42, a wind shield group 43, and an annular surface cover 44. The entrance grille 41, the wind hood group 43, and the annular surface cover 44 are concentrically connected and assembled by a plurality of peripheral locking members 14. The entrance grille 41 is located behind the wind cover group 43, and the annular surface cover 44 is located. The front of the windshield group 43. The motor fan blade group 42 is installed inside the entrance grid 41, and the fan blades 421 are opposite to the entrance grid 41. The wind shield group 43 includes a frame ring 431 and a wind deflector 432, and the periphery of the two is fixed to each other. The left and right sides of the hood group 43 are connected to the left-axis joint 60 and the right-axis joint 50, respectively.

As shown in FIGS. 4 to 6, the right shaft joint 50 includes a right pivot shaft 51, a positioning shaft 52, a first group of elastic positioning members 53, a second group of elastic positioning members 54, and a shaft pressing plate 55. All The right pivot shaft 51 is formed at the first end of the connecting arm 12. The positioning shaft 52 is fixedly connected to the right pivot shaft 51. A plurality of positioning teeth 521 are arranged on a circumferential surface of the positioning shaft 52. The positioning shaft 52 is enclosed in a first recessed portion 56 and a second recessed portion 57. The first recessed portion 56 is formed in the frame ring 431 and has a semi-circular recessed structure. The second recess The joint portion 57 is formed on the shaft pressing plate 55 and has a semi-circular recessed structure. The rotating shaft pressing plate 55 is fixed to the frame ring 431 by two pressing plate locking members 551. A first receiving space 561 is formed in the first nesting portion 56 to receive a first group of elastic positioning members 53. The first group of elastic positioning members 53 includes a first spring 531 and a first tooth key 532 pushed by the first spring 531. The first tooth key 532 is snapped in by the elastic action of the first spring 531. One of the positioning teeth 521 of the positioning shaft 52. A second receiving space 571 is formed in the second nesting portion 57 to receive a second group of elastic positioning members 54. The second set of elastic positioning members 54 includes a second spring 541 and a second tooth key 542 pushed up by the second spring 541. The second tooth key 542 is snapped in by the elastic action of the second spring 541 One of the positioning teeth 521 of the positioning shaft 52. The meshing action of the first tooth key 532 and the second tooth key 542 with the positioning teeth 521 of the positioning shaft 52 allows the fan unit 40 to be temporarily positioned at an angle. In addition, the right pivot shaft 51 is surrounded by the first shaft socket 411 and the second shaft socket 441 to limit the position. The first shaft socket 411 is formed on the circumference of the inlet grid 41, and the second shaft socket 441 is formed on the annular surface. The circumference of the cover 44.

As shown in FIGS. 7 to 9, the left-axis joint 60 includes a left pivot 61, a pivot limit portion 62, and a limit key 63. The left pivot 61 is formed on the second end of the connecting arm 12, and the pivot limit portion 62 is a slot or an opening formed along a semi-circumferential surface of the left pivot 61 (as shown in the figure). The left pivot 61 is surrounded by a third shaft socket 412 and a fourth shaft socket 442, the third shaft socket 412 is formed on the circumference of the inlet grid 41, and the fourth shaft socket 442 is formed on the annular surface cover 44; The limiting key 63 is formed in the third shaft socket 412 and extends into the pivot limiting portion 62.

As shown in FIGS. 1 and 10, the fan unit 40 can be temporarily positioned at an angle by the meshing action of the first tooth key 532 and the second tooth key 542 with the positioning teeth 521 of the positioning rotating shaft 52. When the fan set 40 is subjected to an external force, the tilt angle of the left shaft joint 60 and the right shaft joint 50 can be changed as the center of the shaft. When the angle is changed, the first tooth key 532 and the second tooth key 542 of the right shaft joint 50 rub the positioning teeth 521 of the positioning shaft 52 and emit a "single, answer" tooth sliding sound; the left shaft joint 60 The limit key 63 slides in the pivot limit portion 62. When the limit key 63 touches one end of the pivot limit portion 62, it indicates that the tilt angle of the fan unit 40 has reached the limit.

As shown in FIGS. 11 and 12, the first rotating shaft joint 20 includes an upper fixed shaft 21, a lower fixed shaft 22, and a relay shaft 23. The upper fixing shaft 21 and the lower fixing shaft 22 are respectively locked and fixed to the fixing base 10 by a shaft screw 24. The intermediate shaft 23 is rotatably connected between the upper fixed shaft 21 and the lower fixed shaft 22 through a coupling structure 25. The intermediate shaft 23 is fixed to a first end of the cantilever bracket 11. The coupling structure 25 includes, but is not limited to, riveting with rivets or rivets, or flared riveting technology to make it rotatable with the upper fixed shaft 21, the lower fixed shaft 22, and the intermediate shaft 23.轴 接。 Shaft connection.

As shown in FIGS. 11 and 12, the second shaft joint 30 includes a first shaft 31 and a second shaft 32. The first shaft 31 is fixed to the second end of the cantilever bracket 11. The second shaft 32 is fixed to the center of the connecting arm 12. The second shaft 32 is rotatably connected to the first shaft 31 through a shaft connection structure 33. The shaft connection structure 33 includes, but is not limited to, a shaft connection in which a first shaft 31 and a second shaft 32 are rotatable by using a riveting element such as a rivet or a rivet, or a flaring riveting technology. A rotation direction limiting structure 34 is further included between the first shaft 31 and the second shaft 32. The rotation direction limiting structure 34 includes a portion formed on the first shaft connection and a position opposite to the second shaft 32. A semi-circular arc-shaped turning groove 341,342, and a ball 343 located in two of the turning grooves 341,342.

As shown in FIGS. 13 to 15, with the first rotating shaft joint 20 as the center, the cantilever bracket 11 can move the fan unit 40 along its radius to change its position. Through the second rotating shaft joint 30, the fan unit 40 and the connecting arm 12 can rotate the left or right shaft with the second rotating shaft joint 30 as the axis, and the maximum angle of the shaft rotation is determined by the rotation direction limiting structure 34. limited.

As shown in Figure 16, this is a schematic diagram of the use of the creative wall fan. The wall fan is set on the wall of the window through the fixing seat 10. Through the above technical solution, the fan set 40 can be moved to the window, and the rotation of the fan blade 421 is controlled. Direction, you can blow the cool outdoor air into the room, or exhaust the indoor heat to the outdoor. The direction and tilt angle of the fan unit 40 can be changed to suck or exhaust air to a specific area in the room.

Claims (10)

A wall fan structure includes: a fixed base fixed to a wall; a cantilever bracket; a first end of the cantilever bracket is connected with the fixed base by a first rotating shaft joint; a connecting arm, a center of the connecting arm and the cantilever The second end of the bracket is connected by a second rotating shaft joint; a fan unit, the left and right sides of the fan unit are connected with the left and right ends of the connecting arm by a left shaft joint and a right shaft joint, respectively; by the first rotating shaft The joint is the center of the circle, and the cantilever bracket can move the fan unit along its radius to change its position. Through the second shaft joint, the fan unit and the connecting arm can use the second shaft joint as the shaft center. Turn to the left or right axis; through the meshing effect of the first and second tooth keys with the positioning teeth of the positioning shaft, the fan unit can be temporarily positioned at an angle; through the left shaft joint and the left shaft joint, the The fan unit can be temporarily set at a tilt angle or change the tilt angle. The wall fan structure according to claim 1, wherein the fan unit includes an inlet grid, a motor fan blade group, a wind hood group, and an annular cover; the inlet grid, the air hood group, and The annular surface cover is concentrically butted and combined through a plurality of peripheral locking members. The inlet grid is located at the rear of the air hood group, and the annular surface cover is located in front of the air hood group. The motor fan blade group is installed at the Into the style grid, the fan blades of the motor fan group are opposite to the style grid; the wind hood group includes a frame ring and a wind hood, and the periphery of the two is fixed to each other; The right is connected to the left-axis joint and the right-axis joint, respectively. The wall fan structure according to claim 2, wherein the right-axis joint includes a right pivot, a positioning rotating shaft, a first group of elastic positioning members, a second group of elastic positioning members, and a rotating shaft pressure plate; A pivot is formed at the first end of the connecting arm, the positioning shaft is fixedly connected to the right pivot, and a plurality of positioning teeth are arranged around the circumferential surface of the positioning shaft; the positioning shaft is surrounded and limited to a first socket and In a second nesting portion, the first nesting portion is formed on the frame ring; the second nesting portion is formed on the shaft pressing plate; the shaft pressing plate is fixed to the frame ring; The first receiving space is used to receive the first group of elastic positioning members; a second receiving space is formed in the second recessed portion to receive the second group of elastic positioning members. The wall fan structure according to claim 3, wherein the first group of elastic positioning members includes a first spring and a first tooth key pushed up by the first spring, and the first spring acts on the first spring through the elasticity of the first spring. A tooth key is snapped into one of the positioning teeth of the positioning shaft; the second group of elastic positioning members includes a second spring and a second tooth key pushed up by the second spring, and passes through the second spring. The second tooth key is elastically buckled into one of the positioning teeth of the positioning shaft. The wall fan structure according to claim 4, wherein the right pivot shaft is surrounded by the first shaft socket and the second shaft socket, and the first shaft socket is formed on the circumference of the grid, and the second shaft socket is formed on The circumference of the annular cover. The wall fan structure according to claim 2, wherein the left-axis joint includes a left pivot, a pivot limit portion, and a limit key; the left pivot is formed at the second end of the connecting arm, and The pivot limit portion is a slot or an opening formed along a semi-circumferential surface of the left pivot axis; the limit key is formed on the circumferential portion of the entry style grid and extends into the pivot limit portion. The wall fan structure according to claim 6, wherein the left pivot shaft is surrounded by a third shaft socket and a fourth shaft socket, and the third shaft socket is formed on a circumferential portion of the inlet grid, and the fourth Shaft socket formed on The circumference of the annular surface cover; the limit key is formed in the third shaft socket. The wall fan structure according to claim 1, wherein the first rotating shaft joint includes an upper fixed shaft, a lower fixed shaft, and a relay shaft; the upper fixed shaft and the lower fixed shaft are respectively fixed by a shaft screw lock. The intermediate shaft is rotatably connected between the upper fixed shaft and the lower fixed shaft through a coupling structure; the intermediate shaft is fixed at the first end of the cantilever bracket. The wall fan structure according to claim 1 or 8, wherein the second rotating shaft joint includes a first shaft and a second shaft; the first shaft is fixed to the second end of the cantilever bracket; the second shaft is fixed Connected to the center of the connecting arm; the second shaft is rotatably connected to the first shaft connector through a shaft connection structure. The wall fan structure according to claim 9, wherein a rotation direction limiting structure is further included between the first shaft and the second shaft, and the rotation direction limiting structure includes a first connecting shaft and a second connecting shaft. The opposite part of the second shaft has a semicircular arc-shaped turning groove, and a ball located in the two turning grooves.