Folding three-blade propeller with self-locking structure

Abstract

The utility model discloses a folding three-blade propeller with a self-locking structure, which relates to the technical field of three-blade propellers, and comprises an upper end plate and a lower end plate which are arranged up and down, a plurality of groups of blades are circumferentially arranged between the upper end plate and the lower end plate, and a plurality of groups of blades are arranged between the upper end plate and the lower end plate. And mounting parts are arranged at one ends of the paddles and face the two end faces of the upper end plate and the lower end plate in a mirror image mode, fixing blocks are arranged in the mounting parts, and sliding grooves and locking grooves are formed in the fixing blocks correspondingly. When the device works, the fixing blocks move to drive the paddles to move, so that the locking grooves are connected with the upper locking columns or the lower locking columns in a clamped mode to achieve self-locking, and when the device is stored, the fixing blocks move in the direction away from the upper locking columns or the lower locking columns, so that the locking grooves are separated from the upper locking columns or the lower locking columns to relieve self-locking; at the moment, the chute is matched with the rotating shaft, so that the paddle rotates and is folded and stored.

Description

Technical Field

[0001] This utility model relates to the field of three-bladed propeller technology, and in particular to a folding three-bladed propeller with a self-locking structure. Background Technology

[0002] Three-bladed propellers are used in ships or aircraft as propellers.

[0003] As a power unit for boats or aircraft, a propeller needs to be of a certain length to provide sufficient power. However, when stored, the length of the propeller occupies extra space, making storage inconvenient. Existing technologies include propellers that require bolt removal for storage; however, this method consumes additional space and causes inconvenience to the user.

[0004] Based on the above problems, a folding three-bladed propeller with a self-locking structure is proposed. Utility Model Content

[0005] In view of this, the main purpose of this utility model is to provide a folding three-bladed propeller with a self-locking structure to solve the above-mentioned problems.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a folding three-bladed propeller with a self-locking structure, comprising an upper end plate and a lower end plate arranged vertically, wherein a plurality of propeller blades are arranged circumferentially between the upper end plate and the lower end plate, and a mounting portion is provided at one end of each propeller blade and mirror-imaged on both ends of the upper end plate and the lower end plate, wherein a fixing block is provided inside the mounting portion, and a sliding groove and a locking groove are respectively provided on the fixing block, wherein a plurality of rotating shafts are arranged between the upper end plate and the lower end plate corresponding to the plurality of propeller blades, and the rotating shafts slide through the sliding grooves, wherein a plurality of upper locking pins are provided at the end of the upper end plate facing the mounting portion corresponding to the plurality of sliding grooves, and a plurality of lower locking pins are provided at the end of the lower end plate facing the mounting portion corresponding to the plurality of sliding grooves.

[0007] As a preferred technical solution, the groove provides the fixed block with a movable space that does not detach from the rotating shaft.

[0008] As a preferred technical solution, the movement of the fixing block can cause the locking groove to engage with the upper locking post or the lower locking post.

[0009] As a preferred technical solution, one end of the rotating shaft is provided with a threaded section, and one side of the upper end plate is provided with multiple sets of locking nuts for locking the rotating shaft.

[0010] As a preferred technical solution, the lower end plate has several sets of internal hexagonal screws distributed circumferentially.

[0011] As a preferred technical solution, the blades are arranged in three groups at a 120-degree angle.

[0012] Compared with the prior art, this utility model has obvious advantages and beneficial effects. Specifically, as can be seen from the above technical solution, its main features are:

[0013] When the device is in operation, the movement of the fixed block drives the movement of the blade, causing the locking groove to engage with the upper or lower locking post, thus achieving self-locking. When storing, the fixed block moves away from the upper or lower locking post, causing the locking groove to disengage from the upper or lower locking post, releasing the self-locking. At this time, the slide groove, in conjunction with the rotating shaft, causes the blade to rotate, folding and storing the device.

[0014] To more clearly illustrate the structural features and effects of this utility model, the following detailed description of this utility model is provided in conjunction with the accompanying drawings and specific embodiments. Attached Figure Description

[0015] Figure 1 This is a front view schematic diagram of the overall structure of an embodiment of this utility model;

[0016] Figure 2 This is a bottom view of the overall structure of an embodiment of the present utility model;

[0017] Figure 3 This is a top view schematic diagram of the overall structure of an embodiment of this utility model;

[0018] Figure 4 This is a perspective view of the overall structure of an embodiment of this utility model;

[0019] Figure 5 This is a schematic diagram of the exploded structure of an embodiment of the present invention. Figure 1 ;

[0020] Figure 6 This is a schematic diagram of the exploded structure of an embodiment of the present invention. Figure 2 .

[0021] Explanation of reference numerals in the attached drawings: 1. Upper end plate; 101. Upper locking post; 2. Lower end plate; 201. Lower locking post; 3. Paddle; 301. Mounting part; 302. Fixing block; 303. Slide groove; 304. Locking groove; 4. Rotating shaft; 5. Locking nut; 6. Socket head screw. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the scope of the present utility model.

[0023] It should be noted that when a component is said to be "fixed to" another component, it can be directly attached to the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0024] Please see Figures 1 to 6 This utility model embodiment provides a folding three-bladed propeller with a self-locking structure, including an upper end plate 1 and a lower end plate 2 arranged vertically. Several sets of propeller blades 3 are arranged circumferentially between the upper end plate 1 and the lower end plate 2, with three sets of blades 3 distributed at 120-degree intervals. One end of each blade 3, facing the two end faces of the upper end plate 1 and the lower end plate 2, has a mounting portion 301 mirror-imagely formed. A fixing block 302 is provided inside the mounting portion 301, and the fixing block 302 has a sliding groove 303 and a locking groove 304. Several sets of rotating shafts 4 are arranged between the upper end plate 1 and the lower end plate 2 corresponding to the several sets of propeller blades 3, and the rotating shafts 4 slide through the sliding grooves 303. The rotating shafts 4 are integrally formed with the lower end plate 2. Multiple sets of upper locking posts 101 are provided on the upper end plate 1 facing the mounting portion 301 corresponding to the several sets of sliding grooves 303. One end of 01 corresponds to several sets of sliding grooves 303 with multiple sets of lower locking pins 201. The sliding grooves 303 provide the moving space for the fixing block 302 to not disengage from the rotating shaft 4. The movement of the fixing block 302 can cause the locking groove 304 to engage with the upper locking pin 101 or the lower locking pin 201. When this device is in use, the movement of the fixing block 302 can drive the blade 3 to move, thereby causing the locking groove 304 to engage with the upper locking pin 101 or the lower locking pin 201 to achieve self-locking. When storing, the movement of the fixing block 302 away from the upper locking pin 101 or the lower locking pin 201 causes the locking groove 304 to disengage from the upper locking pin 101 or the lower locking pin 201, releasing the self-locking. At this time, the sliding groove 303, in conjunction with the rotating shaft 4, can cause the blade 3 to rotate, thereby enabling rotational folding and storage.

[0025] Please see Figures 1 to 6 One end of the rotating shaft 4 is provided with a threaded section. On one side of the upper end plate 1, there are multiple sets of locking nuts 5 for locking the rotating shaft 4. The rotating shaft 4 can be locked between the upper end plate 1 and the lower end plate 2 by screwing the locking nuts 5 and the threaded section provided at one end of the rotating shaft 4.

[0026] Please see Figures 1 to 6 The lower end plate 2 has several sets of internal hexagonal screws 6 arranged circumferentially. Specifically, there are three sets of internal hexagonal screws 6. The device can be connected and installed with other devices through the internal hexagonal screws 6.

[0027] In summary, when the device is in operation, the movement of the fixed block 302 causes the blade 3 to move, which in turn causes the locking groove 304 to engage with the upper locking post 101 or the lower locking post 201, thus achieving self-locking. When storing, the movement of the fixed block 302 away from the upper locking post 101 or the lower locking post 201 causes the locking groove 304 to disengage from the upper locking post 101 or the lower locking post 201, thus releasing the self-locking. At this time, the sliding groove 303, in conjunction with the rotating shaft 4, causes the blade 3 to rotate, allowing it to be rotated and folded for storage.

[0028] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A folding three-bladed propeller with a self-locking structure, characterized in that: The utility model provides an end plate (1) and lower end plate (2) are arranged on the top and bottom, a plurality of groups of paddles (3) are arranged between the upper end plate (1) and the lower end plate (2) circumferentially, the one end of the paddle (3) and the two end faces towards the upper end plate (1) and lower end plate (2) are mirror image and provided with mounting portion (301), the inside of the mounting portion (301) is provided with fixed block (302), the fixed block (302) is respectively provided with sliding slot (303) and locking slot (304), the upper end plate (1) and the lower end plate (2) are provided with a plurality of groups of rotating shafts (4) between corresponding a plurality of groups of the paddle (3), and the rotating shaft (4) slides through the sliding slot (303), the upper end plate (1) is provided with a plurality of groups of upper locking columns (101) corresponding a plurality of groups of the sliding slot (303) towards the one end of the mounting portion (301), and the lower end plate (2) is provided with a plurality of groups of lower locking columns (201) corresponding a plurality of groups of the sliding slot (303) towards the one end of the mounting portion (301).

2. The folding three-bladed propeller with self-locking structure according to claim 1, characterized in that: The sliding slot (303) provides the movable space of the fixed block (302) not to be separated from the rotating shaft (4).

3. The folding three-bladed propeller with self-locking structure according to claim 2, characterized in that: The fixed block (302) moves and can make the locking slot (304) be clamped with the upper locking column (101) or the lower locking column (201).

4. The folding three-bladed propeller with self-locking structure according to claim 1, characterized in that: One end of the rotating shaft (4) is provided with a threaded section, and one side of the upper end plate (1) is provided with a plurality of groups of locking nuts (5) for locking the rotating shaft (4) corresponding a plurality of groups of the rotating shaft (4).

5. The folding three-bladed propeller with self-locking structure according to claim 1, characterized in that: A plurality of groups of inner hexagonal toothed screws (6) are circumferentially distributed on the lower end plate (2).

6. The folding three-bladed paddle with self-locking structure according to claim 1, characterized in that: The paddle (3) is provided with three groups and is distributed at 120 degrees.

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