CN207466957U - Fluid drive apparatus - Google Patents

Abstract

The utility model provides a kind of fluid drive apparatus, including：Running part, running part is driven and axially rotates and moves along institute's running part；Blade portion is connected to the running part, and axially rotates and move along the running part；And variable pitch part, it is connect with the blade portion, and for changing front face area of the blade portion along the running part direction of rotation, the blade portion is enable to be converted between maximum front face area and minimum front face area.Fluid drive apparatus according to the present utility model, by the front face area for adjusting blade portion, make its keep in a desired direction of movement maximum front face area come with fluid interaction, and minimum front face area is switched in the unexpected direction of motion to be avoided as much as and fluid interaction.Thus resistance caused by fluid is avoided as much as, retains the active force that fluid generates and acts in a desired direction of movement, and farthest use it to promotion movement.

Description

Fluid drive apparatus

Technical field

The utility model is related to fluid dynamics field, more specifically, it relates to a kind of fluid drive apparatus.

Background technology

With the development of society, having worked out a variety of vehicles, cover traffic above-ground, water transportation and air traffic Inside.For transatmospheric vehicle, current a kind of aircraft needs to realize speed significantly by runway landing Increase and decrease, and it is another kind of can with original place lift aircraft then flying speed is relatively low.For needing flying for runway auxiliary landing Row device, if breaking down in the air, extremely difficult guarantee safe landing.Therefore, how to take into account VTOL and improve flight How speed enables the vehicles safer, more environmentally friendly, has become the technical issues of urgently to be resolved hurrily.

Invention content

The purpose of this utility model is to provide a kind of fluid drive apparatus for improving fluid type of drive.

To realize the purpose, one side according to the present utility model provides a kind of fluid drive apparatus, including：It passes Dynamic part, it is driven and axially rotate and move along institute's running part；Blade portion is connected to the running part, And axially rotate and move along the running part, generate fluid dynamic；And variable pitch part, connect with the blade portion It connects, and for changing front face area of the blade portion along the running part direction of rotation, enables the blade portion most It is converted between big front face area and minimum front face area.

Optionally, the running part includes sleeve, sets accommodation space in the sleeve, the variable pitch part is arranged on institute It states in accommodation space；And the circumferentially arranged blade mounting hole of sleeve, the blade portion are connected to via blade mounting hole The sleeve, and it is connected to the variable pitch part across the blade mounting hole.

Optionally, the variable pitch part includes variable pitch base portion and the variable pitch sliding slot around variable pitch base portion setting, described Blade portion is inserted in across the blade mounting hole in the variable pitch sliding slot；The variable pitch sliding slot is constructed such that the blade It can be converted between maximum front face area and minimum front face area part.

Optionally, the variable pitch sliding slot determines paddle section and variable pitch section including spaced；Determine paddle section, institute described It states blade portion and keeps maximum front face area or minimum front face area；In the variable pitch section, the blade portion is in most daying Gradually switch between wind area and minimum front face area.

Optionally, the variable pitch part further includes the tune paddle shaft extended from variable pitch base portion one end, and edge in the sleeve It axially penetrates through setting and adjusts paddle shaft mounting hole；Wherein, it is described tune paddle shaft be plugged in it is described tune paddle shaft mounting hole, the variable pitch sliding slot with The relative position relation in medicament contained space with it is described tune paddle shaft and it is described adjust paddle shaft mounting hole between relative motion and Variation.

Optionally, the blade portion includes paddle shaft and is separately positioned on the blade at the paddle shaft both ends and paddle shaft handle Hand；Wherein, the blade is arranged on the outside of the sleeve, and the paddle shaft is connected to the sleeve, and paddle via blade mounting hole Axle handle is plugged in across the blade mounting hole in the variable pitch sliding slot.

Optionally, the running part includes the interior sleeve for setting accommodating space, and the variable pitch part includes being arranged on described Variable pitch notch in sleeve wall and the pitch axis being circumferentially plugged on the variable pitch notch；Wherein, the blade portion connection To the pitch axis, and can be rotated between the accommodating space on the outside of the sleeve relative to the pitch axis.

Optionally, the running part includes the interior sleeve for setting accommodating space, and the variable pitch part includes being arranged on described Variable pitch through-hole in sleeve wall；Wherein, the blade portion is plugged in the variable pitch through-hole, and can be relative to the variable pitch Through-hole moves back and forth on the outside of the sleeve between the accommodating space.

Optionally, the running part includes sleeve, and the variable pitch part includes being circumferentially disposed at the sleeve outer wall On variable pitch storage tank and the pitch axis that is plugged in an axial direction in the variable pitch storage tank；Wherein, the blade portion is connected to The pitch axis, and can be rotated relative to the pitch axis toward and away from the variable pitch storage tank.

Optionally, the installation pedestal being arranged on the outside of the sleeve is further included, with rotatably connecting on the outside of the sleeve It connects.

Fluid drive apparatus according to the present utility model by adjusting the front face area of blade portion, makes it desired Kept in the direction of motion maximum front face area come with fluid interaction, and switch to minimum in the unexpected direction of motion and meet Wind area is avoided as much as and fluid interaction.Thus resistance caused by fluid is avoided as much as, retains fluid The active force effect of generation in a desired direction of movement, and farthest uses it to promotion movement.

Description of the drawings

Fig. 1 is the schematic diagram of the first embodiment of the fluid drive apparatus of the utility model.

Fig. 2 is the schematic diagram of the running part of the fluid drive apparatus in Fig. 1.

Fig. 3 is the schematic diagram of the variable pitch part of the fluid drive apparatus in Fig. 1.

Fig. 4 is the variable pitch sliding slot plan view of the variable pitch part in Fig. 3.

Fig. 5 is the schematic diagram of the blade portion of the fluid drive apparatus in Fig. 1.

Fig. 6 is the schematic diagram of the second embodiment of the fluid drive apparatus of the utility model.

Fig. 7 is the schematic diagram of the 3rd embodiment of the fluid drive apparatus of the utility model.

Fig. 8 is the schematic diagram of the fourth embodiment of the fluid drive apparatus of the utility model.

Specific embodiment

The utility model provides a kind of embodiment of fluid drive apparatus herein.The fluid drive apparatus should include：Transmission Partly, blade portion and variable pitch part.Wherein, running part is driven and axially rotates and moves along institute's running part；And Blade portion is connected to running part, and axially rotates and move along running part；In addition, variable pitch part connects with blade portion It connects, and for changing front face area of the blade portion along running part direction of rotation, enables blade portion in maximum windward side It is converted between product and minimum front face area.Fluid drive apparatus in previous embodiment drives blade with running part Part rotates, and is realized with variable pitch part to the adjusting of the front face area of blade portion, is combined, made by the vector of two kinds of movements The blade portion of rotation can keep maximum front face area to come and fluid interaction, generation expectation in a desired direction of movement Positive force in the direction of motion namely mechanical efficiency is improved as far as possible；And it switches to minimum in the unexpected direction of motion and meets Wind area is avoided as much as and fluid interaction, generates the negative force on desired motion direction namely avoids doing as far as possible Work(.For example, when wishing that fluid drive apparatus rises, then the blade portion of rotation is made to keep most daying when rotating downward Wind area is risen with receiving the reaction force of air generation as much as possible；And then minimum is kept to meet when rotating upward Wind area, to be avoided as much as declining with reaction force that air generates.During this type games, fluid driving dress A diameter of center line with running part is put, realizes and is avoided as much as resistance caused by fluid on one side, another side retains fluid The active force effect of generation in a desired direction of movement, and farthest uses it to promotion movement.

As follows by with reference to several specific embodiments come describe the utility model conception details.

Referring to Fig. 1-Fig. 5, it illustrates the first embodiments of fluid drive apparatus.In the fluid drive apparatus 100, Running part 110 includes sleeve 111, sets accommodation space 111a in sleeve 111, variable pitch part 120 is arranged on accommodation space 111a In；And 111 circumferentially arranged blade mounting hole 111b of sleeve, blade portion 130 are connected to sleeve via blade mounting hole 111b 111, and variable pitch part 120 is connected to across blade mounting hole 111b, wherein paddle shaft handle 133 is inserted into variable pitch sliding slot 122. A kind of specific constructive form of running part is there is provided herein, the design achieves variable pitch part, blade portion and running parts Interconnection between three, the rotary motion and pitch movement for effectively ensuring this conception are combined.

As more specific structure type, variable pitch part 120 therein includes variable pitch base portion 121 and around variable pitch base portion The variable pitch sliding slot 122 of 121 settings.At this point, the paddle shaft handle 133 of blade portion 130 is inserted in change across blade mounting hole 111b In paddle sliding slot 122；Variable pitch sliding slot 122 is constructed such that blade portion 130 can be in maximum front face area and minimum front face area Between convert.A kind of specific example is provided herein to illustrate how construction variable pitch sliding slot.For example, between variable pitch sliding slot 122 includes Determine paddle section 122a and variable pitch section 122b every setting；Determining paddle section 122a, blade portion 130 keeps maximum front face area Or minimum front face area；In variable pitch section 122b, blade portion 130 is gradual between maximum front face area and minimum front face area Switching.More specifically, referring to Fig. 4, in this example, due to when blade portion, which is in, determines in paddle section, will steadily protect Maximum front face area or minimum front face area are held, therefore determines paddle section 122a and is configured to be mutually parallel two linear sections； And blade portion is when being in variable pitch section, will realize from maximum front face area to the conversion of minimum front face area or anti- To conversion, therefore variable pitch section 122b is configured to connect the skew lines area between the two neighboring end for determining paddle section 122a Section.The two should also form the sliding slot of a closed loop, so that blade portion end paddle shaft handle 133 is able to continuously slide wherein It is dynamic.Further, since the blade portion of the fluid drive apparatus mainly it is preset determine paddle section 122a do work, it is therefore, aforementioned Variable pitch section is shorter namely transformation period is shorter, then mechanical power transmission is also higher into aerodynamic efficiency.

In addition, also it is desirable to which the fluid drive apparatus can realize multidirectional navigation.Therefore, it is desirable to its determine paddle section 122a and Variable pitch section can change in the relative position of sleeve inner periphery.At this point, variable pitch part 120 is further included from variable pitch base portion The tune paddle shaft 123 that 121 one end are extended, and in sleeve 111 123 mounting hole 112 of paddle shaft is adjusted axially through setting；Wherein, it adjusts Paddle shaft 123, which is plugged in, to be adjusted in paddle shaft mounting hole 112.Under such arrangement, variable pitch sliding slot 122 and 111 inner housing space of sleeve The relative position relation of 111a changes with adjusting paddle shaft 123 and adjusting the relative motion between 123 mounting hole 112 of paddle shaft, thus It can be adjusted as required by navigation direction.Referring to Fig. 3, as additional improvement, paddle process is adjusted for ease of operation, is also adjusting paddle Paddle handle 124 is adjusted in the second end setting of axis 123.In addition, it is appreciated that the various when not needing to adjustment navigation direction, should keep The tune paddle shaft 123 is fixed on designated position, will not be changed with ensuring to navigate by water posture.

Furthermore for another part, blade portion 130 includes blade 131 and is arranged on 131 inner end of blade Paddle shaft 132, the paddle shaft handle 133 that also paddle shaft 132 is extended；Wherein, blade 131 is arranged on 111 outside of sleeve, and paddle Axis 132 is connected to sleeve 111 via blade mounting hole 111b, and paddle shaft handle 133 is plugged in variable pitch across blade mounting hole 111b In sliding slot 122.In this kind arrangement, blade 131 primarily serves the effect that the power of assigned direction is generated with air interaction, And paddle shaft 132 then mainly plays a part of to connect fixed blades 131 and reversed torsion.Wherein, it is noted that in the embodiment In, paddle shaft handle should be arranged to be adapted with variable pitch sliding slot.Show in addition, though six blades 131 that attached drawing uses herein are used as Example, but in fact can be according to design with needing increase or reducing the quantity of blade, and blade sum is not limited to even number.

In addition, the fluid drive apparatus 200 further includes the installation pedestal 140 for being arranged on 111 outside of sleeve, with sleeve 111 outsides are rotatably attached.For example, the two can realize connection by ball bearing.On the one hand, which is used to carry For the fixation between fluid drive apparatus and equipment to be driven, sleeve on the other hand will not be hindered to be transferred to the rotation of blade portion Torque.

Referring to Fig. 6, it illustrates the second embodiments of fluid drive apparatus.Since the construction of its variable pitch part is changed Dynamic, therefore the change of adaptability also has occurred in its running part and blade portion, will focus on description as follows, its changes point, other with it is preceding The similar details of embodiment is stated to repeat no more.

The running part 210 of the fluid drive apparatus 200 includes the interior sleeve 211 for setting accommodating space, and variable pitch part 220 is wrapped Include the variable pitch notch 221 being arranged in sleeve wall and the pitch axis being circumferentially plugged on variable pitch notch 222；Wherein, blade portion 230 are divided to be connected to pitch axis 222, and can be rotated between 211 outside of sleeve and accommodating space relative to pitch axis 222.This When, when blade portion 230 is in 211 outside of sleeve, interaction will occur with air and do work；And when it is in set Cylinder 211 in accommodating space when, then no longer there are interaction forces with air.Therefore, based on the principle taught above, then should Blade portion 230 is made to rotate to 211 outside of sleeve on the direction for it is expected stress, and is made on the direction for not expecting reversed stress Blade portion 230 is rotated to the accommodating space in sleeve 211, and The faster the better for transfer process therein.Thus in the embodiment Fluid drive apparatus equally realize and be avoided as much as resistance caused by fluid, retain the active force effect that fluid generates In a desired direction of movement, and farthest use it to promotion movement.

Referring to Fig. 7, it illustrates the 3rd embodiments of fluid drive apparatus.Since the emphasis of the embodiment is equally to become The construction of paddle part is changed, therefore the change of adaptability also has occurred in its running part and blade portion, is also incited somebody to action as follows It retraces and states its change point, other details similar to previous embodiment repeat no more.

Fluid drive apparatus 300, running part 310 include the interior sleeve 311 for setting accommodating space, and variable pitch part 320 includes The variable pitch through-hole 321 being arranged on 311 wall of sleeve；Wherein, blade portion 330 is plugged in variable pitch through-hole 321, and can be opposite It is moved back and forth between 311 outside of sleeve and accommodating space in variable pitch through-hole 321.At this point, when blade portion 330 is in sleeve During 311 outside, interaction will occur with air and do work；And when it is in the accommodating space in sleeve 311, then not There are interaction forces with air again.Therefore, based on the principle taught above, then it should make blade on the direction for it is expected stress Part 330 moves to 311 outside of sleeve, and blade portion 330 is made to move to sleeve 311 on the direction for not expecting reversed stress Interior accommodating space, and The faster the better for transfer process therein.Thus the fluid drive apparatus in the embodiment equally realizes Resistance caused by fluid is avoided as much as, retains the active force that fluid generates and acts in a desired direction of movement, and most Use it to promotion movement to big degree.

As a modification of the embodiment, symmetrical variable pitch through-hole 321 can be also set on 311 wall of sleeve.At this point, In the transfer process of blade portion 330, with the withdrawal of blade portion 330 of the exposing of side on the outside of sleeve 311, another portion It is real with respect to the outside on other direction, while again that the blade portion 330 divided will reach sleeve 311 out of accommodating space simultaneously Existing desired acting effect.

Referring to Fig. 8, the fourth embodiment of fluid drive apparatus is also provided herein.Since the emphasis of the embodiment is equally The construction of variable pitch part is changed, therefore the change of adaptability also has occurred in its running part and blade portion, also will as follows It is described emphatically and changes point, other details similar to previous embodiment repeat no more.

In the fluid drive apparatus 400, running part 410 includes sleeve 411, and variable pitch part 420 includes circumferentially setting Put the variable pitch storage tank 422 on 411 outer wall of sleeve and the pitch axis 421 being plugged in an axial direction in variable pitch storage tank 422；Its In, blade portion 430 is connected to pitch axis 421, and can be revolved relative to pitch axis 421 toward and away from variable pitch storage tank 422 Turn.The middle part setting mounting hole 412 of running part 410, and for being plugged wherein for variable pitch sheave.It is further set on variable pitch sheave Put the variable pitch sliding slot coordinated with the paddle shaft handle 431 of 430 end of blade portion.At this point, with the belt pulley in running part 410 413 driving, blade portion 430 are also moved by paddle shaft handle 431 and the cooperation of variable pitch sliding slot.Wherein, when blade portion When dividing 430 in 411 outside of sleeve, interaction will occur with air and do work；And when it is in 411 outside wall surface of sleeve On variable pitch storage tank 422 in when, then no longer there are interaction forces with air.Therefore, based on the principle taught above, then Blade portion should be made to rotate to outside sleeve on the direction for it is expected stress to be unfolded, and made on the direction for not expecting reversed stress Blade portion is rotated to being hidden in variable pitch storage tank, and The faster the better for transfer process therein.Thus the stream in the embodiment Body drive, which equally realizes, is avoided as much as resistance caused by fluid, retains the active force that fluid generates and acts on the phase In the direction of motion of prestige, and farthest use it to promotion movement.

Although it is appreciated that the various hereinbefore mostly using aircraft as the driven object of fluid drive apparatus, and with air As the fluid object being related to.But in fact, the utility model can equally be well applied to navigation, fields, the water such as diving are equal with air It should be considered as fluid to be driven mentioned in this article.

In addition, occur in the present specification or be likely to occur up, down, left, right, before and after, front, the back side, top, bottom The orientation term such as portion, center line is defined relative to each attached construction shown in figure, they are opposite concepts, therefore are had May according to its residing different location, different use states and correspondingly changed.So also should not by these or Other orientation terms are construed to restricted term.

Example above primarily illustrates the fluid drive apparatus of the utility model.Although only to some of the utility model Embodiment be described, but those of ordinary skill in the art are it is to be appreciated that the utility model can be without departing from it Implemented in the form of many other in spirit and scope.Therefore, the example that is shown and embodiment be considered as it is schematical and It is unrestricted, in the case where not departing from the spirit of the present invention and range as defined in appended claims, this reality It may cover various modification and replacement with novel.

Claims (10)

1. a kind of fluid drive apparatus, which is characterized in that including：

Running part, it is driven and axially rotate and move along institute's running part；

Blade portion is connected to the running part, and axially rotates and move along the running part；And

Variable pitch part is connect with the blade portion, and for changing blade portion along the running part direction of rotation Front face area enables the blade portion to be converted between maximum front face area and minimum front face area.

2. fluid drive apparatus according to claim 1, which is characterized in that the running part includes sleeve, the set Accommodation space is set in cylinder, the variable pitch part is arranged in the accommodation space；And the circumferentially arranged blade installation of sleeve Hole, the blade portion are connected to the sleeve, and be connected to the change across the blade mounting hole via blade mounting hole Paddle part.

3. fluid drive apparatus according to claim 2, which is characterized in that the variable pitch part includes variable pitch base portion and ring Around the variable pitch sliding slot of variable pitch base portion setting, the blade portion is inserted in the variable pitch sliding slot across the blade mounting hole It is interior；The variable pitch sliding slot is constructed such that the blade portion can turn between maximum front face area and minimum front face area It changes.

4. fluid drive apparatus according to claim 3, which is characterized in that it is spaced fixed that the variable pitch sliding slot includes Paddle section and variable pitch section；Determine paddle section described, the blade portion keeps maximum front face area or minimum front face area； The variable pitch section, the blade portion gradually switch between maximum front face area and minimum front face area.

5. fluid drive apparatus according to claim 3, which is characterized in that the variable pitch part is further included from variable pitch base portion The tune paddle shaft that one end is extended, and in the sleeve paddle shaft mounting hole is adjusted axially through setting；Wherein, the tune paddle shaft plugs In the tune paddle shaft mounting hole, the relative position relation in the variable pitch sliding slot and medicament contained space with the tune paddle shaft with It is described adjust paddle shaft mounting hole between relative motion and change.

6. fluid drive apparatus according to claim 3, which is characterized in that the blade portion includes paddle shaft and difference It is arranged on the blade at the paddle shaft both ends and paddle shaft handle；Wherein, the blade is arranged on the outside of the sleeve, the paddle shaft The sleeve is connected to, and paddle shaft handle is plugged in the variable pitch sliding slot across the blade mounting hole via blade mounting hole It is interior.

7. fluid drive apparatus according to claim 1, which is characterized in that the running part sets accommodating space including interior Sleeve, the variable pitch part includes the variable pitch notch that is arranged in the sleeve wall and is circumferentially plugged in the variable pitch notch On pitch axis；Wherein, the blade portion is connected to the pitch axis, and can be relative to the pitch axis in the sleeve It is rotated between outside and the accommodating space.

8. fluid drive apparatus according to claim 1, which is characterized in that the running part sets accommodating space including interior Sleeve, the variable pitch part includes being arranged on variable pitch through-hole in the sleeve wall；Wherein, the blade portion is plugged in institute It states in variable pitch through-hole, and can back and forth be moved between the accommodating space on the outside of the sleeve relative to the variable pitch through-hole It is dynamic.

9. fluid drive apparatus according to claim 1, which is characterized in that the running part includes sleeve, the change Paddle part includes the variable pitch storage tank being circumferentially disposed on the sleeve outer wall and is plugged in the variable pitch storage tank in an axial direction Interior pitch axis；Wherein, the blade portion is connected to the pitch axis, and can relative to the pitch axis toward and away from The variable pitch storage tank rotation.

10. according to the fluid drive apparatus described in claim 2 to 9 any one, which is characterized in that further include described in being arranged on Installation pedestal on the outside of sleeve, with being rotatably attached on the outside of the sleeve.