TWM650882U - Air power rotor - Google Patents

Abstract

The present invention relates to an air power rotor comprising a core assembly, a rotating assembly, a jet assembly, and a first guiding element. The core assembly includes a main body with an air intake port at one end. The rotating assembly includes a first side cover, a second side cover, and a middle cover. The first and second side covers are pivotally connected to the main body, and the middle cover forms a sealed connection with the edges of the first and second side covers. The first side cover, the second side cover, and the middle cover jointly define a containment space, wherein the second side cover is equipped with an exhaust port. The jet assembly is disposed at the main body and disposed within the containment space, with a jet port that communicates with the air intake port. The first guiding element is disposed on the first side cover and within the containment space. In operation, compressed air flows from the air intake port of the core assembly through the core assembly and the jet assembly, then jets into the containment space through the jet port. The first guiding element facilitates the relative rotation of the rotating assembly with respect to the core assembly.

Description

aerodynamic rotor

This creation is about an aerodynamic rotor, especially an aerodynamic rotor that can be applied to hand tools, motors and other machinery.

An aerodynamic rotor is a device that uses aerodynamic principles to generate power or provide lift, usually including rotors, propellers, windmills, wind power generation or pneumatic air pressure tools. In the case of pneumatic air pressure tools, pneumatic air pressure tools use compressed air as a power source. The operating speed and efficiency of pneumatic air pressure tools depend on the gas compression capacity of the aerodynamic rotor. Therefore, the performance of the aerodynamic rotor on pneumatic air pressure tools and reliability play a key role.

However, in the past, the aerodynamic rotors of some pneumatic air compressor tools sprayed compressed air onto the fan blades, and the fan blades converted the compressed air into rotational kinetic energy. However, the compressed air from the previous aerodynamic rotors easily escaped from the pneumatic air compressor tools. Dispersed to the outside world, resulting in low efficiency of compressed air use, so it is necessary to improve this problem.

In view of the problems of the prior art, the purpose of this creation is to provide an aerodynamic rotor that can use compressed air more efficiently.

According to the purpose of this creation, an aerodynamic rotor is provided, which includes an axis assembly, a rotating assembly, a jet assembly and a first guide member, wherein the axis assembly includes a main body and an air inlet is provided at one end of the main body. The rotating assembly includes a first side cover, a second side cover and a middle cover. The first side cover is pivotally connected to the main body, and the second side cover is sleeved on the main body. The first side cover and the second side cover are spaced apart from the main body. distance, the middle cover is disposed between the first side cover and the second side cover, and the middle cover sealingly connects the edges of the first side cover and the second side cover, and the first side cover, the second side cover and the middle cover jointly define a volume. placement space. Wherein, one of the first side cover and the second side cover is provided with at least one escape hole. The air injection assembly is arranged in the accommodation space and connected to the main body. The air injection assembly is provided with an air injection port connected with the air inlet. The first flow guide is disposed in the accommodation space and connected to one of the first side cover and the second side cover. Among them, the compressed gas reaches the air inlet from the air inlet, the axis assembly and the jet assembly in sequence, and the air jet injects the compressed air into the accommodation space to drive the rotating assembly to rotate relative to the axis assembly through the first guide member. .

Since the middle cover is sealingly connected to the edges of the first side cover and the second side cover, the accommodation space has no other openings through which gas can escape except the escape hole. The compressed air stays in the accommodation space for a long time, effectively improving the compressed air quality. The use efficiency is that when the compressed air is at the same flow rate, the aerodynamic rotor of this invention can provide mechanical energy with longer rotation time and greater rotation torque.

Wherein, the first guide member has two first air guide channels in the shape of a Fermat spiral, the escape hole of the rotating assembly corresponds to the center of the two first air guide channels, and the air outlet of the air jet assembly corresponds to the two first air guide channels. The periphery of an air guide channel.

It also includes a second flow guide, which is disposed on the other one of the first side cover and the second side cover of the rotating assembly, and is disposed in the accommodation space.

Wherein, the second guide member has two second air guide channels in the shape of a Fermat spiral, the escape hole of the rotating assembly corresponds to the center of the two second air guide channels, and the air outlet of the air jet assembly corresponds to the two second air guide channels. The periphery of the second air guide channel.

Among them, the air jet assembly includes a vertical rod connected to the main body of the axis assembly and a curved rod connected to one end of the vertical rod. The air jet port is opened in the curved rod.

Wherein, the number of at least one escape hole is four, the second side cover of the rotating component is disposed adjacent to the air inlet of the axis component, and the escape hole is disposed on the first side cover of the rotating component.

Among them, the diameter of the escape hole is at least 2mm and not more than 4mm.

The rotating assembly also includes several connecting rods and a transmission plate. One end of the connecting rod is fixed on the first side cover, and the other end of the connecting rod is fixed on the transmission plate.

The shaft assembly also includes a first bearing and a second bearing. The main body of the shaft assembly is arranged on the inner rings of the first bearing and the second bearing. The first side cover of the rotating assembly is arranged on the outer ring of the first bearing. , the second side cover of the rotating assembly is arranged on the outer ring of the second bearing.

The present invention will be further described in detail below in conjunction with drawings and embodiments. It can be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for convenience of description, only some but not all structures related to the present invention are shown in the drawings.

In the description of this creation, unless otherwise expressly stipulated and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral body. , can also be indirectly connected through an intermediary, which can be the internal connection between two elements or the interaction between two elements. Those with ordinary knowledge in the art can understand the specific meanings of the above terms in this creation according to specific circumstances.

In this invention, unless otherwise expressly stipulated and limited, the first feature "above" or "below" the second feature may include direct contact between the first and second features, or may include the first and second features. Not in direct contact but through additional characteristic contact between them. Furthermore, the terms "above", "above" and "above" the first feature of the second feature include the first feature being directly above and diagonally above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature "below", "below" and "beneath" the second feature includes the first feature directly below and diagonally below the second feature, or simply means that the first feature has a smaller horizontal height than the second feature.

In the description of this embodiment, the terms "upper", "lower", "left", "right" and other orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplified operation. It does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and have no special meaning.

Referring to FIGS. 1 and 2 , an aerodynamic rotor 100 of the present invention includes an axis assembly 110 , a rotating assembly 120 , an air jet assembly 130 and a first guide member 140 . The axis assembly 110 includes a main body 111, and an air inlet 112 is formed on one end of the main body 111. The rotating assembly 120 includes a first side cover 121, a second side cover 122 and a middle cover 123. The first side cover 121 is pivotally connected to the main body 111, and the second side cover 122 is sleeved. On the main body 111, the first side cover 121 and the second side cover 122 are spaced apart from each other by a certain distance, and the middle cover 123 is provided between the first side cover 121 and the second side cover 121. between the two side covers 122, and the middle cover 123 sealingly connects the edges of the first side cover 121 and the second side cover 122. Referring to Fig. 3, the first side cover 121 and the second side cover 123 are The side cover 122 and the middle cover 123 jointly define a receiving space 124 , wherein one of the first side cover 121 and the second side cover 122 is provided with at least one escape hole 125 . The air injection assembly 130 is disposed in the accommodation space 124 and connected to the main body 111 . The air injection assembly 130 is provided with an air injection port 131 that communicates with the air inlet 112 . The first flow guide 140 is disposed on one of the first side cover 121 and the second side cover 122 in the accommodation space 124 . When the compressed gas flows from the air inlet 112 into the main body 111 and then flows to the air injection assembly 130, the air injection assembly 130 sprays compressed air from the air injection port 131 into the accommodation space 124, and The first flow guide 140 guides the flow direction of the compressed air, thereby driving the rotating component 120 to rotate relative to the axis component 110 .

Referring to FIGS. 2 and 3 , in some embodiments, the escape hole 125 is provided in the first side cover 121 . It is worth mentioning that in other embodiments, the air vents 125 may also be provided on the second side cover 122 (not shown), and the number of the air vents 125 may also be several. The air escape holes 125 can be respectively provided on the first side cover 121 and the second side cover 122 (not shown), or can be collectively provided on the first side cover 121 or the second side cover 122 .

Furthermore, in some embodiments, the first flow guide 140 is provided on the first side cover 121 . It is worth mentioning that in other embodiments, the first air guide 140 may also be provided on the second side cover 122 .

To further illustrate, the middle cover 123 is locked to the edges of the first side cover 121 and the second side cover 122 through several screws and nuts. The middle cover 123, the first side cover 121, and the second side cover 122 may be made of rigid materials. In addition, in other embodiments, the aerodynamic rotor 100 may further include two aerodynamic rotors. Sealing gaskets (not shown), the two air-tight gaskets may be disposed between the middle cover 123 and the first side cover 121 and the second side cover 122 .

To further illustrate, the aerodynamic rotor 100 is used to convert wind energy of air flow into mechanical energy of mechanical action, and compressed gas is sprayed into the accommodation space from the air injection port 131 of the air injection assembly 130 At 124 , a strong airflow is brought, and the strong airflow is guided by the first guide member 140 to rotate the rotating component 120 , and then escapes to the outside of the accommodation space 124 through the escape hole 125 . In some embodiments, the aerodynamic rotor 100 can be applied to pneumatic wrenches, tapping motors, pneumatic screwdrivers, polishers, grinders, etc.

As can be seen from the above, in some embodiments, since the middle cover 123 is sealingly connected to the edges of the first side cover 121 and the second side cover 122 , the accommodation space 124 except for the escape hole 125 , there are no other orifices that can escape gas, and the compressed air flows in the accommodation space 124 for a long time, which effectively improves the use efficiency of the compressed air. That is, when the compressed air is at the same flow rate, the aerodynamic force of the present invention The rotor 100 can provide mechanical energy with longer rotation time and greater rotation torque.

Referring to FIGS. 3 and 4 , in some embodiments, the first guide member 140 has a spiral shape. To further illustrate, the first guide member 140 has a shape of Fermat's spiral. The two first air guide channels 141 are in the shape of The periphery of the two first air guide channels 141 .

It is worth mentioning that in other embodiments, the first flow guide 140 may also be in other spiral shapes, such as on the equiangular spiral or Archimedean spiral. Etc., can also guide strong airflow to rotate the rotating component 120 relative to the axis component 110. Those with ordinary knowledge in this field, based on the content disclosed in this creation, can reasonably infer that all of them belong to Within the scope of this invention's patent application, Fermat's spiral is better at guiding powerful airflow than other spirals. It is worth mentioning that in other embodiments, the first air guide 140 may also have three, four, etc. first air guide channels 141 in a spiral shape.

When the compressed air is sprayed into the accommodation space 124 from the spray port 131 of the spray assembly 130, it is sprayed on the periphery of the two first air guide channels 141, and the strong airflow is then sprayed along the two first air guide channels 141. The air guide channel 141 flows rotationally toward the center of the two first air guide channels 141. After the two first air guide channels 141 indeed drive the rotating assembly 120 to rotate relative to the axis assembly 110, Then, the air is discharged from the outside of the accommodating space 124 through the escape hole 125 .

To further illustrate, the first air guide 140 also has first air receiving ports 142 respectively corresponding to the periphery of the two first air guide channels 141. Compressed air flows from the air jet port of the air jet assembly 130. 131 sprays strong airflow toward the first air receiving port 142. The rotation axis point C of the rotating assembly 120 is defined. The two first air receiving ports 142 are respectively arranged at opposite ends in the radial direction relative to the rotation axis point C. The two first air receiving ports 142 are rotated. The angle between the lines connecting the axis point C is 180 degrees. In some embodiments, the distance between the air outlet 131 and the rotation axis point C is slightly larger than the distance between the first air receiving port 142 and the rotation axis point C. It is worth mentioning that in other embodiments, the distance between the air outlet 131 and the rotation axis point C may be slightly less than or equal to the distance between the first air intake port 142 and the rotation axis point C.

Referring to FIG. 5 , in some embodiments, the aerodynamic rotor 100 further includes a second air guide 150 , and the second air guide 150 is disposed on the first side cover 121 of the rotating assembly 120 The other one of the second side cover 122 is disposed in the accommodating space 124 .

To further illustrate, the second air guide 150 is provided on the second side cover 122 , and the first air guide 140 is provided on the first side cover 121 .

In some embodiments, the second air guide 150 has two second air guide channels 151 in the shape of a Fermat spiral, and the escape hole 125 of the rotating assembly 120 corresponds to the two second air guide channels 151 . The center of the air guide channel 151 and the air outlet 131 of the air injection assembly 130 correspond to the periphery of the two second air guide channels 151 .

To further illustrate, the second air guide 150 also has second air inlets 152 respectively corresponding to the periphery of the two second air guide passages 151. Compressed air comes from the air inlet of the air injector assembly 130. 131 sprays strong airflow toward the second air receiving port 152. In some embodiments, the second air inlets 152 are arranged at opposite ends in the radial direction relative to the rotation axis point C, and the included angle between the two second air inlets 152 passing through the rotation axis point C is 180°. degree, and the two first air receiving ports 142 and the second air receiving ports 152 respectively correspond to each other.

In addition, in other embodiments, the second air receiving port 152 and the first air receiving port 142 may also be arranged in a staggered manner, and the first air receiving port 142 and the second air receiving port 152 are in contact with the rotating shaft. The included angle between the lines connecting the center point C is 90 degrees (not shown). The staggered arrangement allows the rotating component 120 to rotate relative to the axis component 110 and at the same time, the rotating component 120 can rotate the rotating component four times in a single rotation cycle. The first air receiving port 142 and the second air receiving port 152 correspond to the air ejection port 131, so that the generated rotating mechanical energy is relatively stable. When the first air receiving port 142 and the second air receiving port 152 are respectively at the same angle, although the number of times corresponding to the air blowing port 131 is two, the air blowing port 131 corresponds to the air blowing port 131 each time. When the first air receiving port 142 and the second air receiving port 152 spray strong airflow, they can generate large rotational mechanical energy.

In addition, in other embodiments, the size of the second flow guide 150 may also be different from that of the first flow guide 140 .

2 and 3 , in some embodiments, the jet assembly 130 includes a vertical rod 132 connected to the main body 111 of the axis assembly 110 and a bent rod 133 connected to one end of the vertical rod 132 , the air outlet 131 is opened in the bent rod 133 . It is worth mentioning that in other embodiments, the jet assembly 130 may also be in an arc shape (not shown).

In some embodiments, the number of at least one escape hole 125 is four, and the second side cover 122 of the rotating assembly 120 is disposed adjacent to the air inlet 112 of the axis assembly 110 . An escape hole 125 is provided on the first side cover 121 of the rotating assembly 120 . To further illustrate, the escape holes 125 are evenly distributed corresponding to the two first air guide channels 141 , and each first air guide channel 141 corresponds to two of the exhaust holes 125 .

It is worth mentioning that in other embodiments, the number of air holes 125 may also be other, and the position of the air holes 125 may also be provided on the second side cover 122 , which is common knowledge in the art. However, based on the content disclosed in this creation, it can be reasonably deduced that this creation belongs to the scope of the patent application.

To further illustrate, the diameter of the escape hole 125 is at least 2 mm and no more than 4 mm. In some embodiments, the diameter of the escape hole 125 is 3 mm.

Referring to FIGS. 1 and 2 , in some embodiments, the rotating component 120 further includes several connecting rods 126 and a transmission plate 127 . One end of the connecting rod 126 is fixed to the first side cover 121 . The other end of the connecting rod 126 is fixed to the transmission plate 127 . The connecting rod 126 is used to connect the first side cover 121 and the transmission plate 127 , and the transmission plate 127 is used to transmit the rotational mechanical energy of the rotating assembly 120 to the component to be driven. 126 also has a connection function with the middle cover 123, and the connecting rod 126 can also provide the effect of strengthening the structural strength of the rotating assembly 120.

In some embodiments, the axis assembly 110 further includes a first bearing 113 and a second bearing 114, and the main body 111 of the axis assembly 110 is disposed between the first bearing 113 and the second bearing 114. The inner ring of the bearing 114, the first side cover 121 of the rotating assembly 120 is disposed on the outer ring of the first bearing 113, and the second side cover 122 of the rotating assembly 120 is disposed on the second The outer ring of bearing 114.

According to the above, the invention uses a first guide member or/and a second guide member that is different from the fan to guide the airflow in the accommodation space from a position far away from the rotation axis point C to gradually flow toward the rotation axis point C. This solves the problem of traditional aerodynamic rotors quickly escaping compressed air to the outside world, thereby increasing the efficiency of compressed air use.

The above are only examples to illustrate the preferred implementation of this invention, and are not intended to limit the scope of implementation. All simple substitutions and equivalent changes made based on the patent scope of this invention and the content of the patent specification are all patents of this invention. Application scope.

100:Aerodynamic rotor 110: Axis assembly 111:Subject 112:Air inlet 113:First bearing 114:Second bearing 120:Rotating component 121: First side cover 122:Second side cover 123: middle cover 124: Accommodation space 125:Escape hole 126:Connecting rod 127: Transmission plate 130:Jet assembly 131: Jet port 132:Pole 133:Bent rod 140: First guide piece 141: First air guide channel 142: The first air intake port 150:Second guide piece 151: Second air guide channel 152: Second air intake port C: Pivot point of rotation A: Components to be supplemented

Figure 1 is a schematic three-dimensional appearance of some embodiments of an aerodynamic rotor of the present invention; Figure 2 is an exploded schematic diagram of partial components of some embodiments of an aerodynamic rotor of the present invention; Figure 3 is a schematic front view of partial components of some embodiments of an aerodynamic rotor of the present invention; Figure 4 is a schematic front view of a first guide member of an aerodynamic rotor of this invention; and Figure 5 is a schematic rear view of a second air guide member of an aerodynamic rotor of this invention.

100:Aerodynamic rotor

110: Axis assembly

111:Subject

112:Air inlet

120:Rotating component

121: First side cover

122:Second side cover

123: middle cover

125:Escape hole

130:Jet assembly

131: Jet port

132:Pole

133:Bent rod

140: First guide piece

141: First air guide channel

142: The first air intake port

Claims (9)

An aerodynamic rotor containing: One axis assembly, including: A main body, with an air inlet provided at one end of the main body; A rotating assembly, including: a first side cover, pivotally connected to the main body; A second side cover is pivotally connected to the main body, and the first side cover and the second side cover are spaced apart from the main body; and A middle cover is provided between the first side cover and the second side cover, and the middle cover sealingly connects the edges of the first side cover and the second side cover, and the first side cover The cover, the second side cover and the middle cover jointly define an accommodation space; Wherein, one of the first side cover and the second side cover is provided with at least one escape hole; An air jet assembly is provided in the accommodation space and connected to the main body. The air jet assembly is provided with an air jet port connected to the air inlet; and A first flow guide, disposed in the accommodation space on one of the first side cover and the second side cover; Wherein, the compressed gas flows from the air inlet through the main body, reaches the air injection assembly, and then is sprayed from the air injection outlet into the accommodation space, and drives the first flow guide through the The rotating component rotates relative to the axis component. The aerodynamic rotor according to claim 1, wherein the first air guide has two first air guide channels in the shape of a Fermat spiral, and the escape hole of the rotating assembly corresponds to the two first air guide channels. The center of a first air guide channel, and the air outlet of the air injection assembly corresponds to the periphery of the two first air guide channels. The aerodynamic rotor according to claim 1, further comprising a second guide member, disposed on the other one of the first side cover and the second side cover of the rotating assembly, and disposed on the in the accommodation space. The aerodynamic rotor according to claim 3, wherein the second air guide member has two second air guide channels in the shape of a Fermat spiral, and the escape hole of the rotating assembly corresponds to the two second air guide channels. The center of the second air guide channel, and the air outlet of the air injection assembly corresponds to the periphery of the two second air guide channels. The aerodynamic rotor according to claim 1, wherein the air injection assembly includes a vertical rod connected to the main body of the axis assembly and a bent rod connected to one end of the vertical rod, and the air injection port is opened in The bent rod. The aerodynamic rotor according to claim 1, wherein the number of at least one escape hole is four, and the second side cover of the rotating assembly is disposed adjacent to the air inlet of the axis assembly, so The escape hole is provided on the first side cover of the rotating component. The aerodynamic rotor according to claim 6, wherein the diameter of the escape hole is at least 2 mm and not more than 4 mm. The aerodynamic rotor according to claim 1, wherein the rotating assembly further includes several connecting rods and a transmission plate, one end of the connecting rod is fixed to the first side cover, and the other end of the connecting rod fixed to the transmission plate. The aerodynamic rotor according to claim 1, wherein the shaft assembly further includes a first bearing and a second bearing, and the main body of the shaft assembly is disposed between the first bearing and the third bearing. The inner ring of the two bearings, the first side cover of the rotating assembly is arranged on the outer ring of the first bearing, and the second side cover of the rotating assembly is arranged on the outer ring of the second bearing.