CN213392806U - A static friction pitching mechanism and a fan using the same - Google Patents

Abstract

A static friction pitching mechanism and a fan using the same, comprising a stepping motor base and a pitching bracket mounted on the stepping motor base, the lower side of the pitching bracket is provided with an arc-shaped installation groove, and the stepping motor base is installed in the arc-shaped installation groove , a fixed stud is arranged on one side of the stepping motor seat, a first bracket is installed on the fixed stud through a screw, and a screw is installed on the first bracket, a limit slot is arranged on one side of the pitch bracket, and the screw extends through the limit slot A second bracket, a damping structure and a locking nut are installed at the rear, and the included angle between the pitch bracket and the horizontal plane is adjusted through the cooperation of the pitch bracket and the stepping motor seat. Compared with the prior art, by arranging a damping structure in the pitching mechanism, the angle of the pitching mechanism is controlled by a damping gasket, and at the same time, the damping structure can consume the vibration amount of the swinging fan, so that the effect of protecting the pitching mechanism and the motor can be achieved; The fan has the functions of automatically shaking its head left and right and adjusting the pitch angle manually, realizing multi-angle air supply and expanding the air supply range.

Description

Static friction pitching mechanism and fan using same

Technical Field

The utility model relates to a fan technical field, in particular to static friction every single move mechanism and use its fan.

Background

The swing fans on the market at present mainly comprise a traditional rotating blade type table fan and an outward-rotating type fan, wherein the outward-rotating type fan is also called an outward-swinging type fan and is mostly presented in a seat fan mode. However, such fans are driven by an external-rotation motor, and a long-term swing operation causes a large burden on the operation of the motor and the running-in between various components. In addition, because of the space occupation of the motor and the running-in problem of the machine head, the pitch angle of the fan head is also limited, and the pitch angle of the general external rotation type fan on the market is only about 15 degrees to 45 degrees.

Therefore, there is a need for a mechanism that can protect the fan pitch mechanism, increase the fan pitch angle, and expand the fan blowing range.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the problem to prior art exists provides a static friction every single move mechanism that structure is more reasonable and uses its fan.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the utility model provides a stiction every single move mechanism, every single move mechanism includes step motor cabinet and installs in the every single move support of step motor cabinet, every single move support downside is provided with the arc mounting groove, step motor cabinet is installed in the arc mounting groove, step motor cabinet one side is provided with fixing stud, fixing stud is last to install first support through the screw, just install the screw rod on the first support, the every single move support corresponds fixing stud one side and is provided with the spacing groove, the screw rod is stretched out the back through the spacing groove and is installed second support, damping structure and lock nut, through contained angle between every single move support and the horizontal plane is adjusted in every single move support and step motor cabinet cooperation.

Preferably, the first support is symmetrically provided with two screw holes, a through hole is formed between the screw holes, the second support is composed of two support plates which are perpendicular to each other, the support plates in the vertical direction are provided with through holes, and the support plates in the horizontal direction are symmetrically provided with the screw holes.

Preferably, the damping structure comprises two adapted damping shims.

Preferably, a gasket is arranged between the first support and the second support, a gasket is arranged between the second support and the damping structure, and a gasket is arranged between the damping structure and the locknut.

Preferably, the lower side of the limiting groove is symmetrically provided with mounting studs, and the second support is fixed on one side of the pitching support through the mounting studs.

Preferably, the stand column is installed to step motor cabinet downside, the stand column upper end is provided with the pivot of being connected with step motor cabinet, stand column lower extreme and chassis fixed connection.

The fan comprises the static friction pitching mechanism, the fan comprises a motor component arranged outside the pitching mechanism, a mesh enclosure component is arranged at the front end of the motor component, the motor component comprises a motor front cover, a motor rear cover and a direct current motor, and fan blades are arranged in the mesh enclosure component.

Preferably, the pitching support is matched with the stepping motor base to enable the adjusting range of the mesh enclosure assembly in the vertical direction to be 0-90 degrees.

Preferably, when the mesh enclosure assembly is adjusted to 0 °, the pitching support is limited by the front cover of the motor, and when the mesh enclosure assembly is adjusted to 90 °, the pitching support is limited by the rear cover of the motor.

Preferably, a rotating shaft clamping groove is formed in the lower side of the rear cover of the motor.

Compared with the prior art, the utility model discloses stiction every single move mechanism's beneficial effect: the damping structure is arranged in the pitching mechanism, the angle of the pitching mechanism is controlled by the damping gasket, and the damping structure can consume the vibration quantity of the oscillating fan, so that the effect of protecting the pitching mechanism and the motor can be achieved; simultaneously, this stiction every single move mechanism can make the fan have the function of controlling automatic shaking head and can manually adjust every single move angle concurrently, realizes the multi-angle air supply, has increased the air supply scope, and every single move angle is adjustable to being on a parallel with the stand by the biggest, fully realizes indoor air cycle, gives the better product experience of customer.

Drawings

Fig. 1 is a schematic perspective view of the static friction pitching mechanism and the fan using the same of the present invention.

Fig. 2 is an exploded view (without a chassis) of the structure of the static friction pitching mechanism and the fan using the same according to the present invention.

Fig. 3 is a usage status diagram of the static friction pitching mechanism and the fan using the same of the present invention (the mesh enclosure assembly is adjusted to 0 °).

Fig. 4 is a usage status diagram of the static friction pitching mechanism and the fan using the same of the present invention (the mesh enclosure assembly is adjusted to 90 °).

Reference numerals: 1. a mesh enclosure assembly; 11. a fan blade; 2. a motor assembly; 21. a motor front cover; 22. a motor rear cover; 221. A rotating shaft clamping groove; 23. a direct current motor; 3. a pitch mechanism; 31. a pitch support; 311. an arc-shaped mounting groove; 312. a limiting groove; 313. a gasket; 314. a second bracket; 315. a damping structure; 316. a locknut; 32. a stepping motor base; 321. fixing the stud; 322. a screw; 323. a first bracket; 4. a column; 41. a rotating shaft; 5. a chassis.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 2, the static friction pitching mechanism of the present embodiment includes a stepping motor base 32 and a pitching support 31 mounted on the stepping motor base 32.

Wherein, every single move support 31 downside is provided with arc mounting groove 311, and step motor seat 32 semicircular in shape just installs in arc mounting groove 311, and is specific, and step motor seat 32 one side is provided with fixing screw 321, installs first support 323 through the screw on the fixing screw 321, and the symmetry is provided with two screw holes on the first support 323, and is provided with the through-hole between the screw hole, installs screw rod 322 on the first support 323 of through-hole.

The pitching support 31 is provided with a limiting groove 312 at one side corresponding to the fixing stud 321, and mounting studs are symmetrically arranged at the lower side of the limiting groove 312. The screw 322 is provided with a second bracket 314, a damping structure 315 and a locknut 316 after extending out through the limiting groove 312.

Specifically, the second bracket 314 is composed of two support plates perpendicular to each other, through holes are formed in the support plates in the vertical direction, screw holes are symmetrically formed in the support plates in the horizontal direction, and the support plates in the horizontal direction are fixed to one side of the pitching bracket 31 through mounting studs on the lower side of the limiting groove 312. The damping structure 315 includes two compliant damping shims, where the damping structure 315 refers to a structure that integrates a damping material with a member to dissipate the amount of vibration.

In addition, in order to enhance the relative stability between the components, a gasket 313 is arranged between the first bracket 323 and the second bracket 314, a gasket 313 is arranged between the second bracket 314 and the damping structure 315, and a gasket 313 is arranged between the damping structure 315 and the locknut 316.

The static friction pitching mechanism can be actually assembled in a head swinging fan, comprising a floor fan, a tower fan and the like, wherein the fan comprises a motor component 2 arranged outside the pitching mechanism 3 and a mesh enclosure component 1 arranged at the front end of the motor component 2. The net cover component 1 is provided with fan blades 11. The motor component 2 comprises a motor front cover 21 arranged at the rear side of the mesh enclosure component 1, a motor rear cover 22 arranged at the outer side of the pitching mechanism 3, and a direct current motor 23 arranged between the motor front cover 21 and the motor rear cover 22.

Specifically, a rotating shaft slot 221 is disposed on the lower side of the motor rear cover 22. The rotating shaft of the DC motor 23 passes through the motor front cover 21 and is connected with the fan blades 11. Meanwhile, the upright post 4 is installed on the lower side of the stepping motor base 32, the upper end of the upright post 4 is provided with a rotating shaft 41 connected with the stepping motor base 32, and the lower end of the upright post 4 is fixedly connected with the chassis 5.

As shown in fig. 3 to 4, in the present embodiment, the included angle between the pitching bracket 31 and the horizontal plane is adjusted by matching the pitching bracket 31 and the stepping motor base 32, so that the adjustment range of the mesh enclosure assembly 1 in the vertical direction is 0 ° to 90 °. When the screen panel assembly 1 is adjusted to 0 °, the pitching support 31 is limited by the motor front cover 21, and when the screen panel assembly 1 is adjusted to 90 °, the pitching support 31 is limited by the motor rear cover 22.

Compared with the prior art, the static friction pitching mechanism has the advantages that the damping structure is arranged in the pitching mechanism, the damping gasket is used for controlling the angle of the pitching mechanism, and the damping structure can consume the vibration quantity of the oscillating fan, so that the effect of protecting the pitching mechanism and the motor can be achieved; simultaneously, this stiction every single move mechanism can make the fan have the function of controlling automatic shaking head and can manually adjust every single move angle concurrently, realizes the multi-angle air supply, has increased the air supply scope, and every single move angle is adjustable to being on a parallel with the stand by the biggest, fully realizes indoor air cycle, gives the better product experience of customer.

Finally, it should be noted that: the above embodiments are merely illustrative of the technical solutions of the present invention, and not limitative thereof; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. The static friction pitching mechanism is characterized in that the pitching mechanism (3) comprises a stepping motor base (32) and a pitching support (31) arranged on the stepping motor base (32), an arc-shaped mounting groove (311) is arranged at the lower side of the pitching support (31), the stepping motor base (32) is arranged in the arc-shaped mounting groove (311), a fixing stud (321) is arranged on one side of the stepping motor base (32), a first bracket (323) is arranged on the fixing stud (321) through a screw, a screw rod (322) is arranged on the first bracket (323), a limit groove (312) is arranged at one side of the pitching bracket (31) corresponding to the fixed stud (321), the screw rod (322) is provided with a second bracket (314), a damping structure (315) and a locknut (316) after extending out through the limit groove (312), the included angle between the pitching support (31) and the horizontal plane is adjusted through the matching of the pitching support (31) and the stepping motor base (32).

2. The static friction pitching mechanism according to claim 1, wherein two screw holes are symmetrically arranged on the first bracket (323), and a through hole is arranged between the screw holes, the second bracket (314) is composed of two support plates perpendicular to each other, and a through hole is arranged on the support plate in the vertical direction, and a screw hole is symmetrically arranged on the support plate in the horizontal direction.

3. The stiction pitch mechanism of claim 1, where the damping structure (315) comprises two adaptive damping shims.

4. The stiction pitch mechanism of claim 1, wherein a shim (313) is provided between the first bracket (323) and the second bracket (314), a shim (313) is provided between the second bracket (314) and the damping structure (315), and a shim (313) is provided between the damping structure (315) and the locknut (316).

5. The static friction pitching mechanism according to claim 1, wherein mounting studs are symmetrically arranged on the lower side of the limiting groove (312), and the second bracket (314) is fixed on one side of the pitching bracket (31) through the mounting studs.

6. The static friction pitching mechanism according to claim 1, wherein the pillar (4) is installed on the lower side of the stepping motor base (32), the upper end of the pillar (4) is provided with a rotating shaft (41) connected with the stepping motor base (32), and the lower end of the pillar (4) is fixedly connected with the chassis (5).

7. A fan, comprising the static friction pitching mechanism of any one of claims 1 to 6, wherein the fan comprises a motor component (2) installed outside the pitching mechanism (3), a mesh enclosure component (1) is installed at the front end of the motor component (2), the motor component (2) comprises a motor front cover (21), a motor rear cover (22) and a direct current motor (23), and fan blades (11) are installed in the mesh enclosure component (1).

8. The fan according to claim 7, wherein the pitch bracket (31) cooperates with a stepper motor mount (32) to provide a range of adjustment of the screen assembly (1) in a vertical direction of 0 ° to 90 °.

9. The fan according to claim 7, wherein the pitch bracket (31) is restrained by the motor front cover (21) when the screen assembly (1) is adjusted to 0 °, and the pitch bracket (31) is restrained by the motor rear cover (22) when the screen assembly (1) is adjusted to 90 °.

10. The fan as claimed in claim 7, wherein a rotation shaft catching groove (221) is provided at a lower side of the motor rear cover (22).

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