CN213026831U - Rotary conductive device and double-head fan applying same - Google Patents

Abstract

The utility model discloses a rotary conductive device and a double-end fan applying the same, belonging to the field of electric fans, comprising a first conductive plate and a second conductive plate, wherein the surface of the second conductive plate is provided with a conductive ring, the conductive ring is arranged in concentric circles, the first conductive plate is provided with a first pin and a second pin, the first pin and the second pin are both provided with V-shaped conductive plates, the V-shaped conductive plates are abutted against the conductive ring, the conductive ring is used for connecting a leading-in power line, and the V-shaped conductive plates are used for connecting a leading-out power line; the double-head fan is also provided, and the rotating conductive device is applied; the utility model provides a double-end fan, its downside of arranging load platform in with rotatory yaw motor, and load platform does not do the whole body and rotates, has balanced to do the whole body pivoted part in the double-end fan to reduced the derivation power cord quantity among the rotatory electric installation, only need be used for driving the rotatory coaxial motor of flabellum among the supply double-end fan, reduced manufacturing cost and reduced the emergence probability of trouble, prolong the life of this device.

Description

Rotary conductive device and double-head fan applying same

Technical Field

The utility model relates to an electric fan field, more specifically say, relate to a rotatory electric installation and double-end fan of using thereof.

Background

In the chinese utility model patent publication No. CN110925228A, a double-head fan capable of rotating and lifting 360 degrees is disclosed, the double-head fan is structured as shown in fig. 1, and includes a base, a lifting mechanism and a fan head assembly, the fan head assembly is supported on the base through the lifting mechanism, the fan head assembly includes a fan body that is energized to rotate and a rotating mechanism that drives the fan body to rotate 360 degrees; the rotating mechanism comprises a fixing piece, the fixing piece is arranged on the lifting mechanism, the fixing piece is rotatably connected with a load platform, and the fan body is arranged on the load platform; a 360-degree rotating conductive device, a gear transmission assembly and a rotating pan motor for driving the load platform to rotate in a circumferential 360-degree manner are arranged between the fixed piece and the load platform;

the 360-degree rotating conductive device comprises a device body, wherein the device body is fixedly arranged on a fixing piece, a conductive ring and claw-shaped conductive terminals capable of conducting electricity with the conductive ring in a rotating mode are arranged on the device body, the conductive ring is connected with a rotating head-shaking motor and a fan blade motor power line on a fan body, the conductive terminals are fixedly arranged on the device body, the device body is in a hollow tubular shape, the conductive ring is arranged in the device body, the conductive ring and the device body are coaxially arranged and can freely rotate around a shaft center, a rotating center shaft is rotatably connected in the device body, the upper end of the rotating center shaft extends upwards and is fixedly clamped and connected with a load platform, and the conductive ring and the rotating center shaft are.

In the above patent, the rotary pan motor for driving the double-head fan to rotate circumferentially is mounted on the load platform, which causes the center of gravity of the load platform to deviate toward the side where the rotary pan motor is mounted, and the load platform belongs to the rotating part, and the mounting position of the rotary pan motor easily affects the smoothness of the circumferential rotation of the double-head fan; secondly, the export power cord of the rotary head-shaking motor needs to be reserved in the 360-degree rotary conductive device, so that the 360-degree rotary conductive device at least needs four connecting wires, the cost is increased, the occurrence probability of faults is additionally increased, and the service life of the device is influenced.

To above problem, the utility model provides a double-end fan, its downside of arranging load platform in with rotatory motor of shaking head, and load platform do not do the whole body and rotate, balanced do the whole body pivoted part in the double-end fan to reduced the derivation power cord quantity among the rotatory electric installation, only need supply with in the double-end fan be used for driving the rotatory coaxial motor of flabellum can, reduced manufacturing cost and reduced the emergence probability of trouble, prolong the life of this device.

SUMMERY OF THE UTILITY MODEL

The utility model adopts the technical proposal that: the utility model provides a rotatory electric installation, including first current conducting plate and the second current conducting plate that the surface was equipped with a plurality of conducting ring, a plurality of conducting ring is the concentric circles setting, the bottom of first current conducting plate is equipped with first pin and second pin, and the bottom of first pin and second pin all is equipped with V type conducting strip, and V type conducting strip with the conducting ring surface offsets, the conducting ring is used for connecting leading-in power cord, V type conducting strip is used for connecting and derives the power cord.

After the structure is adopted, the V-shaped conducting strip is abutted against the conducting ring under the action of gravity, so that a circuit is connected. In the using process, even if the V-shaped conducting strip or the conducting ring is abraded, the electric connection between the V-shaped conducting strip and the conducting ring is not influenced, and the service life of the rotary conducting device is prolonged.

Preferably, the conducting rings are divided into two types, and the V-shaped conducting strips are correspondingly divided into two types; one type is used to connect the neutral wire in the circuit and the other type is used to connect the live wire in the circuit.

Preferably, a plurality of conducting rings are arranged between the conducting rings of one type at intervals, and the conducting rings of the rest are the conducting rings of the other type; with the arrangement, even if the V-shaped conducting strip is offset, the connection of the circuit is not affected.

Preferably, a plurality of the conducting rings close to the center of the circle are in one class, and the rest conducting rings are in the other class.

Preferably, the vertical cutting section of the conducting ring is in the shape of an upward convex arc; the bulge at the upper end of the conducting ring is abutted against the arc edge of the V-shaped conducting strip, and even if the conducting ring is worn, the arc is gradually worn to form a plane shape and a convex arc shape.

Preferably, the tip part of the bottom of the V-shaped conducting strip is provided with an arc edge, the surface of the V-shaped conducting strip is wrapped with a plastic sealing layer, and the V-shaped conducting strip at the arc edge part is exposed outside; the provision of the molding layer prevents unnecessary abrasion or unnecessary oxidation of the non-contact portion of the V-shaped conductive sheet.

Preferably, the power supply device further comprises a protective shell, the upper end of the protective shell is provided with a hollow prism table or a hollow prism, the first current-conducting plate and the second current-conducting plate are wrapped by the protective shell, and a connecting block is arranged between the interior of the protective shell and the first current-conducting plate; more preferably, the vertical sliding connection of protective housing and first current conducting plate, protective housing and second current conducting plate clearance fit more than set up and make the protective housing can drive first current conducting plate and carry out the body and rotate.

A double-head fan, which applies any one of the above rotary conductive devices.

After adopting above-mentioned structure, double-end fan is when carrying out the circumference and rotate, and its rotating part still keeps being connected with the electricity with fixed part, and can not take place the condition of stranded conductor in the in-process of electricity connection.

Preferably, the fan comprises a base, a fan body and a machine head fixing frame, the fan body is powered on and rotated, the machine head fixing frame comprises a supporting frame, a load platform and a connecting sleeve, the upper end of the supporting frame is connected with the fan body, a rotary head shaking motor is arranged at the bottom of the load platform, an output shaft of the rotary head shaking motor upwards penetrates through the load platform and is connected with a driving gear, the driving gear is meshed with a fixed gear, the bottom end of the supporting frame is in interference fit with the fixed gear and in clearance fit with the load platform in sequence, the upper end of the connecting sleeve is in interference fit with the bottom of the load platform, the bottom end of the connecting sleeve is connected with the base, a rotary conductive device is installed inside the connecting sleeve, the upper end of.

Preferably, the bottom end of the support frame is provided with a wiring hole in a conduction manner, and the wiring hole is in clearance fit with a hollow prismatic table or a hollow prism at the upper end of a protective shell in the rotary transduction device; the lead-out power line passes through the wiring hole to supply power to the fan body.

Preferably, the upper surface of the load platform is provided with a plane bearing, and the plane bearing is positioned between the fixed gear and the load platform.

Compared with the prior art, the utility model has the following advantages;

1. in the utility model, the rotary shaking head motor is arranged below the load platform, and the load platform and the rotary shaking head motor are used as the fixed part of the double-head fan, so that the rotary part of the double-head fan is symmetrical in structure, and the condition of center deviation can not occur; in the circuit arrangement, the rotary shaking head motor is used as a fixed part and can be directly connected with a power supply, and only the rotary conductive wiring is needed to be carried out on the motor for driving the fan blade to rotate in the double-head fan, so that the number of the wiring is reduced, the cost is reduced, the occurrence probability of faults is additionally reduced, and the service life of the double-head fan is prolonged.

2. In the prior art, the rotary conductive device part adopts cylindrical conduction, the contact surface between conductors is on a vertical plane, and when the conductors are worn, a gap is easy to exist between the conductors, so that poor contact is caused. And the utility model discloses in, the conductor part is V type conducting strip and conducting ring respectively, and the contact surface between the two is on the horizontal plane, and when arbitrary conductor took place wearing and tearing, V type conducting strip still offsets with the conducting ring under the effect of gravity, does not have the clearance between the conductor, just also does not have contact failure's problem yet.

Drawings

FIG. 1 is an external structural view of a double-ended fan in the prior art;

FIG. 2 is a schematic diagram of a rotary electric conduction device for a double-head fan in the prior art;

FIG. 3 is a schematic structural view of the upper head fixing frame of the middle-dual head fan of the present invention;

FIG. 4 is a schematic view of the connection of the support frame of the present invention;

fig. 5 is a vertical cross-sectional view of fig. 4 in the present invention;

fig. 6 is a partial enlarged view of a portion a in fig. 5 according to the present invention;

fig. 7 is an exploded view of fig. 4 in the present invention;

fig. 8 is a schematic structural view of the mesogyric power transducing device of the present invention;

fig. 9 is a schematic structural view of the bottom of the first conductive plate of the present invention;

fig. 10 is a schematic view of the structure of the V-shaped conductive sheet in embodiment 2.

The reference numbers in the figures illustrate:

wherein 1, a machine head fixing frame; 2. a support frame; 21. a wiring hole; 3. connecting sleeves; 4. a load platform; 41. a flat bearing; 5. fixing a gear; 6. a drive gear; 7. a rotary pan motor; 8. rotating the conductive device; 81. a protective shell; 82. connecting blocks; 83. a first conductive plate; 84. a first pin; 85. a second pin; 86. a V-shaped conductive sheet; 861. a circular arc edge; 862. a plastic packaging layer; 9. a second conductive plate; 91. and (6) conducting the ring.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Example 1

As shown in fig. 1, the double-head fan is mainly divided into three parts, namely a base, an electrically rotating fan body and a handpiece fixing frame 1, wherein the fan body is driven by a coaxial motor, two ends of the coaxial motor are respectively connected with fan blades, and the fan blades are symmetrical to each other, which is the prior art and therefore not described in detail. The fan body is installed on aircraft nose mount 1, and the bottom and the base upper end fixed connection of aircraft nose mount 1. The handpiece fixing frame 1 has two main functions, namely, the handpiece fixing frame drives the handpiece fixing frame to rotate circumferentially, so that the fan body is driven to rotate circumferentially; and secondly, in the process of circumferential rotation, the power supply of the coaxial motor is ensured to be supplied to the internal circuit of the motor, and in the process of circumferential rotation, the condition of wire stranding is avoided.

As shown in fig. 3, a plastic casing is arranged outside the handpiece fixing frame 1, the plastic casing is divided into an upper part and a lower part, and the upper part is a rotating part and is used for connecting a fan body; the lower half part of the plastic shell is a fixed part used for connecting the base. The handpiece fixing frame 1 comprises a supporting frame 2, a loading platform 4 and a connecting sleeve 3 which are all wrapped inside the plastic shell.

As shown in fig. 4, the handpiece fixing frame 1 includes a support frame 2, a load platform 4 and a connecting sleeve 3, the support frame 2 is made of metal material and is used for structural support, the load platform 4 is installed at the upper end of the connecting sleeve 3, and the bottom of the connecting sleeve 3 is used for being connected with the base. The rotary head shaking motor 7 is installed on the bottom surface of the load platform 4, an output shaft of the rotary head shaking motor 7 upwards penetrates through the load platform 4 to be connected with the driving gear 6, the support frame 2 is sequentially connected with the fixed gear 5 and the load platform 4 from top to bottom, interference fit is formed between the support frame 2 and the fixed gear 5, and clearance fit is formed between the support frame 2 and the load platform 4. The driving gear 6 is meshed with the fixed gear 5, and the radius of the driving gear 6 is smaller than that of the fixed gear 5. In some examples, both are made of metal.

As shown in fig. 5, a rotating conductive device 8 is installed inside the connecting sleeve 3, the bottom end of the rotating conductive device 8 is fixedly connected with the bottom surface of the fixed sleeve, and the upper end of the rotating conductive device 8 is in clearance fit with the bottom end of the supporting frame 2. The upper end of the rotary conductive device 8 is used for connecting with a leading-out power line, and the lower end of the rotary conductive device 8 is used for connecting with a leading-in power line.

As shown in fig. 6, the central axis area of the lower half part of the fixing frame is provided with a wiring hole 21, and the wiring hole 21 adopts a frustum pyramid structure. The rotary conductive device 8 includes a protective casing 81 having a hollow prism at the upper end, a first conductive plate 83 and a second conductive plate 9, the hollow prism is in clearance fit with the wiring hole 21, a first pin 84 and a second pin 85 are sequentially provided on the bottom surface of the first conductive plate 83 from left to right, and the first pin 84 and the second pin 85 are pressed against the upper surface of the second conductive plate 9. The protective casing 81 encloses the first conductive plate 83 and the second conductive plate 9, and in some examples, the first conductive plate 83 is connected to an inner wall of the protective casing 81 in a sliding manner in a vertical direction, and a gap exists between the second conductive plate 9 and the inner wall of the protective casing 81. The first conductive plate 83 is used for connecting the lead-out power supply line, and the second conductive plate 9 is used for connecting the lead-in power supply line.

In some examples, a plane bearing 41 is installed between the fixed gear 5 and the load platform 4, because the load platform 4 belongs to a fixed portion, the fixed gear 5 belongs to a rotating portion, and the plane bearing 41 is used to increase the friction between the fixed gear 5 and the load platform 4.

As shown in fig. 7, a conductive ring 91 is disposed on the upper surface of the second conductive plate 9, the conductive ring 91 is a four-turn concentric ring, and the conductive rings 91 are arranged at equal intervals.

As shown in fig. 8, V-shaped conductive sheets 86 are disposed on the bottom surfaces of the first lead 84 and the second lead 85, and the V-shaped conductive sheets 86 abut against the conductive ring 91. The connecting block 82 is placed and installed on the upper surface of the first conductive plate 83, the inner upper surface of the protective shell 81 presses against the upper end of the connecting block 82, the first conductive plate 83 is pressed downwards through the transmission of force of the connecting block 82, and the V-shaped conductive plate 86 is always abutted to the conductive ring 91.

As shown in fig. 9, four V-shaped conductive sheets 86 are disposed on the bottom surface of the first lead 84, four V-shaped conductive sheets 86 are also disposed on the bottom surface of the second lead 85, every other one of the four conductive rings 91 is a type of conductive ring 91, i.e., the first conductive ring 91 and the third conductive ring 91 from the inside to the outside are a type of conductive ring 91, and the remaining second conductive ring 91 and the fourth conductive ring 91 are another type of conductive ring 91. The same type of conductive ring 91 is connected to a same type of line. Correspondingly, the first V-shaped conductive sheet 86 and the third V-shaped conductive sheet 86 on the first pin 84 from left to right are of the same type, and the remaining V-shaped conductive sheets 86 are of the other type; similarly, the first V-shaped conductive strip 86 and the third V-shaped conductive strip 86 from left to right on the second lead 85 are of the same type, and the remaining V-shaped conductive strips 86 are of the other type. The same type of V-shaped conducting strips 86 on the first pin 84 and the second pin 85 are used for electrically connecting with the zero line in the lead-out power line, the remaining types on the first pin 84 and the second pin 85 are used for connecting with the live line in the lead-out power line, and the conducting ring 91 is also used, so that the details are not repeated.

As shown in fig. 10, in some examples, the bottom tip of the V-shaped conductive sheet 86 is provided with a circular arc edge 861, a plastic sealing layer 862 is provided on the outer surface of the V-shaped conductive sheet 86, and only the circular arc edge 861 of the outer surface of the V-shaped conductive sheet 86 is partially exposed. In some examples, the vertical section of the conductive ring 91 is an upwardly convex circular arc, and the circular arc edge 861 always abuts against the circular arc portion of the conductive ring 91. In some examples, the conductive ring 91 and the V-shaped conductive sheet 86 are made of copper alloy material.

The working principle is as follows;

the rotary head-shaking motor 7 works after being powered on, an output shaft of the rotary head-shaking motor drives the driving gear 6 to rotate, the driving gear 6 drives the fixed gear 5 to rotate, the fixed gear 5 drives the support frame 2 to rotate circumferentially, and then the upper half part of the double-head fan is driven to rotate circumferentially. In the rotating process, the support frame 2 drives the protective shell 81 in the rotating conductive device 8 to rotate, the protective shell 81 drives the first conductive plate 83 to rotate, and the V-shaped conductive plate 86 at the bottom of the first pin 84 and the second pin 85 always contacts the conductive ring 91 on the second conductive plate 9 while the first pin 84 and the second pin 85 rotate along with the first conductive plate 83.

Example 2

The embodiment is different from embodiment 1 in that four conductive rings 91 in the embodiment, the first conductive ring 91 and the second conductive ring 91 from inside to outside are one type of conductive ring 91, and the remaining third conductive ring 91 and the fourth conductive ring 91 are another type of conductive ring 91. Two of the conductive rings 91 near the center of the circle are one type, and the remaining conductive rings 91 are the other type.

In some examples, the V-shaped conductive strips 86 no longer take on a sheet structure, but rather take on a solid triangular structure.

Example 3

The embodiment is different from embodiment 1 in that the number of the conductive rings 91 in the embodiment is five, the first conductive ring 91 and the fifth conductive ring 91 from the inside to the outside are one type of conductive ring 91, the second conductive ring 91 and the fourth conductive ring 91 are one type of conductive ring 91, the remaining third conductive ring 91 is another type of conductive ring 91, and the third conductive ring 91 is used for connecting a ground line. Accordingly, the V-shaped conductive strips 86 on the first lead 84 and the second lead 85 are correspondingly disposed.

While the above is directed to the preferred embodiment of the present invention, it is not intended that it be limited, except as by the appended claims. The present invention is not limited to the above embodiments, and the specific structure thereof allows for changes, all the changes made within the protection scope of the independent claims of the present invention are within the protection scope of the present invention.

Claims (11)

1. A rotary conductive apparatus, comprising: including first current conducting plate and the second current conducting plate that the surface was equipped with a plurality of conducting ring, a plurality of conducting ring are the concentric circles setting, the bottom of first current conducting plate is equipped with first pin and second pin, and the bottom of first pin and second pin all is equipped with V type conducting strip, and V type conducting strip with the conducting ring surface offsets, the conducting ring is used for connecting leading-in power cord, V type conducting strip is used for connecting the derivation power cord.

2. A rotary conductive apparatus according to claim 1, wherein: the conducting rings are divided into two types, and the V-shaped conducting strips are correspondingly divided into two types.

3. A rotary conductive apparatus according to claim 2, wherein: a plurality of conducting rings are arranged among the conducting rings of one type, and the conducting rings of the rest are the conducting rings of the other type.

4. A rotary conductive apparatus according to claim 2, wherein: the conducting rings close to the circle center are of one type, and the conducting rings in the rest are of another type.

5. A rotary conductive apparatus according to claim 1, wherein: the vertical cutting section of the conducting ring is in the shape of an upward convex arc.

6. A rotary conductive apparatus according to claim 1, wherein: the V-shaped conducting strip bottom tip part is provided with an arc edge, the surface of the V-shaped conducting strip is wrapped with a plastic package layer, and the V-shaped conducting strip of the arc edge part is exposed outside.

7. A rotary conductive apparatus according to claim 1, wherein: still including the upper end be equipped with cavity terrace with edge or the prismatic protective housing of cavity, the protective housing parcel is lived first current conducting plate and second current conducting plate, and the protective housing inside and the first current conducting plate between install the connecting block.

8. A double-end fan, its characterized in that: use of a rotating electrical conducting device according to any of claims 1-6.

9. A double-ended fan according to claim 8, wherein: including base, circular telegram rotatory fan body and aircraft nose mount, the aircraft nose mount includes support frame, load platform and adapter sleeve, and the upper end and this body coupling of fan of support frame, load platform's bottom are equipped with rotatory motor of shaking one, and rotatory output shaft that shakes one motor upwards runs through load platform and is connected with drive gear, and drive gear meshing is connected with fixed gear, the bottom of support frame in proper order with fixed gear interference fit, with load platform clearance fit, the upper end of adapter sleeve and load platform's bottom interference fit, the bottom of adapter sleeve with the base is connected, rotatory electric installation installs in the inside of adapter sleeve, and rotatory electric installation's upper end cup joints with the support frame, and rotatory electric installation's bottom is connected with the adapter sleeve.

10. A double-ended fan according to claim 9, wherein: the support frame bottom switches on and is equipped with the wiring hole, the wiring hole with cavity terrace with edge or the prismatic clearance fit of cavity of protective housing upper end among the rotary transduction device.

11. A double-ended fan according to claim 9, wherein: and a plane bearing is arranged on the upper surface of the load platform and is positioned between the fixed gear and the load platform.

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