CN220974573U - Propeller capable of adjusting pitch - Google Patents

Abstract

The utility model relates to a propeller capable of adjusting a propeller pitch, which comprises a gear box, wherein an outer cylinder is fixedly arranged at the bottom of the gear box, a propeller pitch adjusting structure is arranged at the top of the outer cylinder and comprises an external shaft fixedly arranged at the bottom of the outer cylinder, a motor positioned in the outer cylinder is fixedly arranged at the bottom of the gear box, and a transmission rod penetrating into the gear box is fixedly arranged at the top of the motor. This screw that can adjust pitch drives the synchronous fore-and-aft rotation of the paddle of two conical teeth outside installations through motor drive conical tooth positive and negative rotation and alright adjust the angle pitch of two paddles to reached the effect of automatically regulated pitch, solenoid valve control catheter circulation is with the inside lubrication liquid guide of lubricating oil box liquid collecting pipe inside, then falls on two conical teeth from two glib talkers, thereby has reached the effect of self-lubricating.

Description

Propeller capable of adjusting pitch

Technical Field

The utility model relates to the technical field of propellers, in particular to a propeller capable of adjusting pitch.

Background

The propeller means a device for converting the rotational power of an engine into propulsive force by rotating blades in air or water, and may have two or more blades connected to a hub, the backward face of the blades being a helicoid or a propeller similar to the helicoid.

Unmanned aerial vehicle carries on screw on the market at present is fixed, and the paddle can't adjust, and the pitch is fixed more, has brought inconvenience for flight test, so proposes the screw that can adjust the pitch and solves above-mentioned problem.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides the propeller capable of adjusting the pitch, which has the advantages of automatically adjusting the pitch and the like.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a screw that can adjust pitch, includes the gear box, the bottom fixed mounting of gear box has the urceolus, the top of urceolus is provided with screw pitch adjustment structure.

The propeller pitch adjusting structure comprises an external shaft fixedly mounted at the bottom of an outer cylinder, a motor located inside the outer cylinder is fixedly mounted at the bottom of a gear box, a transmission rod penetrating through the inside of the gear box is fixedly mounted at the top of the motor, a first conical tooth located inside the gear box is fixedly mounted outside the transmission rod, side supports located on two sides of the first conical tooth are fixedly mounted inside the gear box, paddles penetrating through the inside of the side supports are fixedly mounted on the left side and the right side of the gear box, two second conical teeth are fixedly mounted on opposite sides of the paddles, a lubricating oil box is fixedly mounted at the top of the gear box, a liquid collecting pipe is fixedly mounted at the top of an inner cavity of the gear box, a liquid guide pipe penetrating through the inside of the liquid collecting pipe is fixedly mounted at the bottom of the inner cavity of the lubricating oil box, an electromagnetic valve is fixedly mounted at the bottom of the inner cavity of the liquid collecting pipe, and two oil outlet nozzles penetrate through the bottom of the liquid collecting pipe.

Further, the inside of urceolus is hollow structure, the front of external axle is "T" shape structure, the motor is located the centre of a circle position of gear box.

Further, the transmission rod is rotatably arranged in the gear box, and the diameter of the first conical tooth is smaller than the inner diameter of the gear box.

Further, two the paddle is the rotation with the gear box is connected, and two the paddle rotates respectively and installs in the inside of two side brackets, two the two conical teeth all meshing install in the top of conical tooth No. one.

Further, two the two conical teeth are located near one end of the left and right sides of the first conical tooth respectively, and the lubricating oil box is connected with the liquid collecting pipe in a penetrating mode through the liquid guide pipe.

Further, the outside of collecting pipe is the ring structure, solenoid valve fixed mounting is in the inner chamber top of gear box.

Further, two oil outlet nozzles are respectively positioned at the tops of two conical teeth, and the two oil outlet nozzles are in through connection with the liquid collecting pipe.

Further, the two oil outlet nozzles are respectively positioned at one ends close to the left side and the right side of the liquid collecting pipe.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

This screw that can adjust pitch drives the synchronous fore-and-aft rotation of the paddle of two conical teeth outside installations through motor drive conical tooth positive and negative rotation and alright adjust the angle pitch of two paddles to reached the effect of automatically regulated pitch, solenoid valve control catheter circulation is with the inside lubrication liquid guide of lubricating oil box liquid collecting pipe inside, then falls on two conical teeth from two glib talkers, thereby has reached the effect of self-lubricating.

Drawings

FIG. 1 is a cross-sectional view of the structure of the present utility model;

FIG. 2 is a front elevational view of the structure of the present utility model;

FIG. 3 is an enlarged schematic view of the first embodiment of the present utility model.

In the figure: 1. a gear box; 2. an outer cylinder; 3. an external shaft; 4. a motor; 5. a transmission rod; 6. a first conical tooth; 7. a side bracket; 8. a paddle; 9. two conical teeth; 10. a lubricating oil box; 11. a liquid collecting pipe; 12. a catheter; 13. an electromagnetic valve; 14. and an oil outlet nozzle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a propeller capable of adjusting pitch in this embodiment includes a gear box 1, an outer cylinder 2 is fixedly mounted at the bottom of the gear box 1, the inner part of the outer cylinder 2 is a hollow structure, and a propeller pitch adjusting structure is disposed at the top of the outer cylinder 2.

The utility model provides a screw pitch adjustment structure includes fixed mounting in external axle 3 of urceolus 2 bottoms, external axle 3 openly is "T" shape structure, be convenient for dock with external power unit through external axle 3, thereby this device has been reached and rotated, the bottom fixed mounting of gear box 1 has the motor 4 that is located urceolus 2 inside, motor 4 is located the centre of a circle position of gear box 1, the top fixed mounting of motor 4 has the transfer line 5 that runs through to gear box 1 inside, transfer line 5 rotates the inside of installing in gear box 1, the outside fixed mounting of transfer line 5 has the first conical tooth 6 that is located gear box 1 inside, the diameter of first conical tooth 6 is less than the internal diameter of gear box 1, drive transfer line 5 externally mounted's first conical tooth 6 in the inside positive and negative rotation of gear box 1 through motor 4, the inside fixed mounting of gear box 1 has the side support 7 that is located first conical tooth 6 both sides, the inside fixed mounting of gear box 1 has paddle 8 that runs through to side support 7 inside, two paddles 8 and gear box 1 all are rotation connection, two paddles 8 rotate respectively and install two conical tooth 8 in the inside two conical tooth 8 respectively, two conical tooth 9 are located two conical tooth 8 are installed in the inside two opposite to two conical tooth 9 respectively, two conical tooth 9 are installed to two opposite each other sides of gear box 1.

The top fixed mounting of gear box 1 has lubricating oil box 10, the inner chamber top fixed mounting of gear box 1 has collector tube 11, the outside of collector tube 11 is the ring structure, the inner chamber bottom fixed mounting of lubricating oil box 10 has the drain pipe 12 that runs through to collector tube 11 inside, lubricating oil box 10 and collector tube 11 link up through drain pipe 12, the inside lubricating oil of lubricating oil box 10 is led into the inside of collector tube 11 through drain pipe 12, the outside fixed mounting of drain pipe 12 has solenoid valve 13, solenoid valve 13 fixed mounting is in the inner chamber top of gear box 1, the circulation state of drain pipe 12 is controlled through solenoid valve 13, the inner chamber bottom fixed mounting of collector tube 11 has the play glib 14 that runs through to its bottom and quantity is two, two glib 14 are located the top of two binary cone teeth 9 respectively, two glib 14 are all link up with collector tube 11, two glib 14 are located the one end that is close to collector tube 11 left and right sides respectively, the purpose makes the inside lubricating liquid of collector tube 11 flow out respectively and fall in two binary cone teeth 9 and one number of tooth 6 department to lubricate blade 8 more smoothly, thereby it meshes to adjust blade 8 more smoothly.

The working principle of the embodiment is as follows:

When the device is used, the external shaft 3 is connected with an external power mechanism structure, the motor 4 drives the first conical tooth 6 arranged outside the transmission rod 5 to rotate positively and negatively to drive the paddles 8 arranged outside the two second conical teeth 9 to rotate forwards and backwards synchronously, the angle pitch of the two paddles 8 can be adjusted, after the device stops rotating, the electromagnetic valve 13 controls the liquid guide pipe 12 to circulate, so that lubricating liquid inside the lubricating oil box 10 is guided into the liquid collecting pipe 11, and then falls on the two second conical teeth 9 from the two oil outlet nozzles 14, so that the paddles 8 can be adjusted smoothly at the meshing positions of the two second conical teeth 9 and the first conical teeth 6.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. Propeller with adjustable pitch, comprising a gearbox (1), characterized in that: an outer cylinder (2) is fixedly arranged at the bottom of the gear box (1), and a propeller pitch adjusting structure is arranged at the top of the outer cylinder (2);

The utility model provides a screw pitch adjustment structure includes external axle (3) of fixed mounting in urceolus (2) bottom, the bottom fixed mounting of gear box (1) has motor (4) that are located urceolus (2) inside, the top fixed mounting of motor (4) has transmission pole (5) that run through to the inside of gear box (1), the outside fixed mounting of transmission pole (5) has a conical tooth (6) that is located the inside of gear box (1), the inside fixed mounting of gear box (1) has side support (7) that are located conical tooth (6) both sides, the left and right sides of gear box (1) all fixed mounting has paddle (8) that run through to the inside of side support (7), two the equal fixed mounting in opposite one side of paddle (8) has two conical teeth (9), the top fixed mounting of gear box (1) has lubricating oil box (10), the inner chamber top fixed mounting of gear box (1) has liquid collecting pipe (11), the inner chamber bottom fixed mounting of lubricating oil box (10) has guide pipe (12) that run through to the inside of liquid collecting pipe (11), the fixed mounting is liquid collecting pipe (14) to the bottom of liquid collecting pipe (13) and the fixed mounting is liquid collecting pipe (13).

2. A pitch adjustable propeller according to claim 1, wherein: the inside of urceolus (2) is hollow structure, the front of external axle (3) is "T" shape structure, motor (4) are located the centre of a circle position of gear box (1).

3. A pitch adjustable propeller according to claim 1, wherein: the transmission rod (5) is rotatably arranged in the gear box (1), and the diameter of the first conical tooth (6) is smaller than the inner diameter of the gear box (1).

4. A pitch adjustable propeller according to claim 1, wherein: two paddle (8) are all rotated with gear box (1) and are connected, two paddle (8) rotate respectively and install in the inside of two side brackets (7), two conical tooth (9) all mesh install in the top of conical tooth (6) No. one.

5. A pitch adjustable propeller according to claim 1, wherein: the two conical teeth (9) are respectively positioned at one end close to the left side and the right side of the conical tooth (6), and the lubricating oil box (10) and the liquid collecting pipe (11) are connected in a penetrating way through the liquid guide pipe (12).

6. A pitch adjustable propeller according to claim 1, wherein: the outside of collector tube (11) is the ring structure, solenoid valve (13) fixed mounting is in the inner chamber top of gear box (1).

7. A pitch adjustable propeller according to claim 1, wherein: the two oil outlet nozzles (14) are respectively positioned at the tops of the two conical teeth (9), and the two oil outlet nozzles (14) are in through connection with the liquid collecting pipe (11).

8. A pitch adjustable propeller according to claim 1, wherein: the two oil outlets (14) are respectively positioned at one end close to the left side and the right side of the liquid collecting pipe (11).