Propeller structure

Abstract

The utility model relates to the technical field of propellers, and discloses a propeller structure which is characterized in that propelling blades are mounted on the side of a blade mounting seat under the driving of a driving shaft column, an adjusting gear is arranged at the joint of the propelling blades, and a supporting rotating seat is movably sleeved on the upper part of the driving shaft column under the driving of a spring; a sliding pushing seat type propeller pitch adjusting structure is adopted, the propeller blades are rotationally installed through the adjusting rotating shaft, the supporting rotating seat is pushed and pressed to move through telescopic movement of the driving shaft column, and rotation adjustment of the propeller blades is completed through meshing driving of the adjusting tooth block and the adjusting gear. According to the propeller pitch adjusting device, the propeller pitch of the propeller blades is controlled and adjusted, the structure is simple, work is reliable, the propeller pitch can be controlled and adjusted only through simple sliding motion, the propeller can achieve high propelling efficiency in different working modes through propeller pitch adjustment when the propeller works, driving energy consumption can be reduced, and the service life of the motor can be prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of propellers, in particular to a propeller structure. Background Art

[0002] A propeller is a device that converts the engine's rotational power into propulsion by rotating blades in the air or water. When the propeller rotates at high speed, the difference in medium flow velocity between the upper and lower surfaces of the blades creates a pressure difference between the upper and lower surfaces of the blades, thereby generating a directional thrust. As the driving structure of small equipment, micro propellers are widely used in the operating propulsion structures of ship models, toys, and underwater equipment.

[0003] The efficiency of a propeller is related to the pitch and speed of the propeller. Most propellers in the prior art are set up with a fixed-pitch structure. Although they can meet the general usage requirements, the speed change must be achieved by changing the motor speed. Simply changing the blade speed cannot allow the propeller to achieve high efficiency in different working modes. In addition, excessive speed and resistance during high-speed operation will cause the motor to heat up and overload, which will reduce the service life of the motor. For this reason, a propeller structure is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a propeller structure to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a propeller structure, including a blade mechanism and an adjustment mechanism, the blade mechanism including a propulsion blade, a blade mounting seat, a driving seat and a driving shaft column, the propulsion blade is installed on the side of the blade mounting seat under the drive of the driving shaft column, and an adjustment gear is provided at the connection of the propulsion blade;

[0006] The adjustment mechanism is used for driving and adjusting the propeller blade pitch. The adjustment mechanism includes a supporting swivel, an adjusting tooth block, a sliding guide column and a spring. The supporting swivel is movably mounted on the upper part of the driving shaft column under the push of the spring, and the adjusting tooth block is meshedly connected with the adjusting gear.

[0007] Preferably, the number of the propulsion blades is two, and an adjustment shaft is fixed to the ends of the two propulsion blades. The two propulsion blades are rotatably mounted on both sides of the blade mounting seat in a centrally symmetrical manner through the adjustment shaft.

[0008] Preferably, a connecting seat mounting groove is provided in the middle of the blade mounting seat, the driving connecting seat is fixedly mounted on the rear of the blade mounting seat through the connecting seat mounting groove, and the front end of the driving shaft column is fixedly connected to the middle of the rear side of the driving connecting seat.

[0009] Preferably, the adjusting gear is fixedly mounted on the end of the adjusting shaft, a gear mounting groove is provided inside the driving seat, and the adjusting gear is rotatably mounted on the inner side of the gear mounting groove through the adjusting shaft.

[0010] Preferably, a shaft sleeve hole is provided in the middle of the above-mentioned support swivel, and the support swivel is movably mounted on the upper part of the driving shaft through the shaft sleeve hole, and the spring is movably mounted in the middle part of the driving shaft, and the spring is installed in contact between the driving seat and the support swivel.

[0011] Preferably, the adjusting tooth block and the sliding guide column are fixedly installed on the front side of the supporting swivel seat, the rear portion of the driving seat is provided with a guide column socket, the end portion of the sliding guide column is movably inserted into the inner side of the guide column socket, the rear portion of the gear mounting groove is provided with a tooth block groove, the end portion of the adjusting tooth block is movably inserted into the inner side of the tooth block groove, and the side of the adjusting tooth block is meshedly connected with the adjusting gear.

[0012] Preferably, a support ring pad is provided at the rear of the support swivel, and the support ring pad is fixedly installed at the rear of the support swivel.

[0013] Compared with the prior art, the utility model adopts the above technical solution and has the following technical effects:

[0014] The propeller adopts a sliding push-seat pitch adjustment structure, and uses an adjusting shaft to rotatably install the propulsion blade. When working, the supporting rotary seat is pushed and moved by the telescopic movement of the driving shaft column, and the rotation adjustment of the propulsion blade is completed by the meshing drive of the adjusting tooth block and the adjusting gear, thereby realizing the control and adjustment of the propulsion blade pitch. The structure is simple and the operation is reliable. The control and adjustment of the pitch can be completed only through a simple sliding action. Through the pitch adjustment, when the propeller is working, the propeller can achieve higher propulsion efficiency in different working modes, which can not only reduce the driving energy consumption but also increase the service life of the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a schematic diagram of the overall front structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the overall rear structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the installation structure of the adjustment mechanism and the drive seat of the utility model;

[0019] Figure 4 It is a schematic diagram of the adjustment mechanism and the front side installation structure of the propulsion blade of the utility model;

[0020] Figure 5 It is a schematic diagram of the adjustment mechanism and the rear installation structure of the propulsion blade of the utility model;

[0021] Figure 6 It is a schematic diagram of the front structure of the support swivel seat of the utility model.

[0022] Explanation of the reference numerals in the accompanying drawings: 1. Propelling blade; 2. Blade mounting seat; 3. Driving seat; 4. Driving shaft column; 5. Support swivel seat; 6. Adjusting gear block; 7. Sliding guide column; 8. Spring; 9. Adjusting shaft; 10. Adjusting gear; 11. Shaft column sleeve hole; 12. Support ring gasket. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application.

[0025] Example

[0026] See also Figure 1-6 The utility model provides a technical solution: a propeller structure, including a blade mechanism and an adjustment mechanism, the blade mechanism includes a propulsion blade 1, a blade mounting seat 2, a drive connecting seat 3 and a drive shaft column 4, as shown in the attached Figure 4 As shown, there are two propulsion blades 1. In order to realize the rotation adjustment of the propulsion blades 1, an adjustment shaft 9 is fixed at the end of the two propulsion blades 1. Figure 1 As shown, two propulsion blades 1 are respectively rotatably mounted on both sides of the blade mounting seat 2 in a centrally symmetrical manner through an adjusting shaft 9.

[0027] In order to facilitate the installation and connection of the driving coupling 3, a coupling mounting groove is provided in the middle part of the blade mounting seat 2, and the coupling mounting groove is adapted to the driving coupling 3. The driving coupling 3 is fixedly mounted on the rear part of the blade mounting seat 2 through the coupling mounting groove, and the driving shaft column 4 is connected to the external motor. The front end of the driving shaft column 4 is fixedly connected to the middle part of the rear side of the driving coupling 3, so as to transmit the rotational driving force of the motor to the upper part of the driving coupling 3, thereby realizing the rotational drive of the propulsion blade 1.

[0028] The adjusting mechanism is used for driving and adjusting the pitch of the propeller blade 1. The adjusting mechanism includes a supporting swivel 5, an adjusting tooth block 6, a sliding guide column 7 and a spring 8. In order to realize the pitch adjustment drive of the propeller blade 1, an adjusting gear 10 is provided at the connection of the propeller blade 1. Figure 4 As shown, the adjusting gear 10 is fixedly mounted on the end of the adjusting shaft 9. In order to connect and install the adjusting gear 10, a gear mounting groove is provided inside the driving seat 3. The adjusting gear 10 is rotatably mounted on the inner side of the gear mounting groove through the adjusting shaft 9.

[0029] The support swivel seat 5 is divided into two parts, front and rear parts, which are rotatably installed through a bearing structure. In order to facilitate installation and connection with the drive shaft column 4, a shaft column sleeve hole 11 is provided in the middle of the support swivel seat 5. The support swivel seat 5 is movably sleeved on the upper part of the drive shaft column 4 through the shaft column sleeve hole 11, and can slide forward and backward on the upper part of the drive shaft column 4. Figure 3 As shown, the spring 8 is movably mounted on the middle of the driving shaft column 4 , and the spring 8 is installed between the driving seat 3 and the supporting rotating seat 5 . The supporting rotating seat 5 is movably mounted on the upper part of the driving shaft column 4 under the push of the spring 8 .

[0030] As attached Figure 3 As shown, the adjusting tooth block 6 and the sliding guide column 7 are fixedly installed on the front side of the supporting swivel seat 5. In order to connect and install with the sliding guide column 7, a guide column socket is provided at the rear part of the driving seat 3, and the end of the sliding guide column 7 is movably inserted in the inner side of the guide column socket. In order to facilitate the installation and connection of the adjusting tooth block 6, a tooth block embedding groove is provided at the rear part of the gear mounting groove. The end of the adjusting tooth block 6 is movably embedded in the inner side of the tooth block embedding groove. The side of the adjusting tooth block 6 is meshed and connected with the adjusting gear 10. The supporting swivel seat 5 is pushed and moved by the telescopic movement of the driving shaft column 4. The rotation adjustment of the propulsion blade 1 is completed by the meshing drive of the adjusting tooth block 6 and the adjusting gear 10, so as to realize the control and adjustment of the pitch of the propulsion blade 1. The structure is simple and the operation is reliable. The pitch control and adjustment can be completed only through a simple sliding action. Through the pitch adjustment, when the propeller is working, the propeller can achieve higher propulsion efficiency in different working modes, which can not only reduce the driving energy consumption but also improve the service life of the motor.

[0031] In order to facilitate the fitting support between the support swivel 5 and the drive shaft column 4, a support ring pad 12 is provided at the rear of the support swivel 5. The support ring pad 12 is fixedly installed at the rear of the support swivel 5 to improve the installation stability of the support swivel 5.

[0032] The working principle or structural principle is that the driving shaft column 4 and the motor of the propeller body are installed and connected through a sliding structure. When working, the propulsion blade 1 rotates under the drive of the motor, and the front structure of the support swivel 5 rotates synchronously with the propulsion blade 1. The rear part of the support swivel 5 is supported on the installation position of the driving shaft column 4. When the pitch needs to be adjusted, the driving shaft column 4 retracts backward under the drive of the sliding structure, and the support swivel 5 drives the adjusting tooth block 6 to move forward due to the retraction resistance. Through the meshing transmission, the two adjusting tooth blocks 6 respectively drive the adjusting gears 10 on both sides to drive the propulsion blade 1 to perform reverse and synchronous rotation movement. By changing the inclination angle of the propulsion blade 1, the pitch of the propulsion blade 1 can be increased. Similarly, it is only necessary to extend the driving shaft column 4 forward, and the support swivel 5 is moved backward and reset under the thrust of the spring 8. The pitch of the propulsion blade 1 can be reduced through the meshing transmission. The pitch control adjustment can be completed only through a simple sliding action. When the propeller is working, the propeller can achieve a higher propulsion efficiency in different working modes through pitch adjustment.

[0033] In summary, the propeller adopts a sliding push-seat pitch adjustment structure, and uses the adjusting shaft 9 to rotatably install the propulsion blade 1. When working, the supporting rotating seat 5 is pushed and moved by the telescopic movement of the driving shaft column 4, and the rotation adjustment of the propulsion blade 1 is completed by the meshing drive of the adjusting tooth block 6 and the adjusting gear 10, so as to realize the control and adjustment of the pitch of the propulsion blade 1. The structure is simple and the operation is reliable. The control and adjustment of the pitch can be completed only through a simple sliding action. Through the pitch adjustment, when the propeller is working, the propeller can achieve a higher propulsion efficiency in different working modes, which can not only reduce the driving energy consumption but also increase the service life of the motor.

[0034] Those skilled in the art will appreciate that the features described in the various embodiments and / or claims of the present invention may be combined and / or combined in various ways, even if such combinations and / or combinations are not explicitly described in the present invention. In particular, the features described in the various embodiments and / or claims of the present invention may be combined and / or combined in various ways without departing from the spirit and teachings of the present invention. All of these combinations and / or combinations fall within the scope of the present invention.

Claims

1. A propeller structure, comprising a blade mechanism and an adjustment mechanism, characterized in that: The blade mechanism comprises a propulsion blade (1), a blade mounting seat (2), a driving seat (3) and a driving shaft column (4); the propulsion blade (1) is mounted on the side of the blade mounting seat (2) under the drive of the driving shaft column (4); and an adjusting gear (10) is provided at the connection of the propulsion blade (1); The adjusting mechanism is used for driving and adjusting the pitch of a propeller blade (1), and comprises a supporting rotating seat (5), an adjusting tooth block (6), a sliding guide column (7) and a spring (8). The supporting rotating seat (5) is movably sleeved on the upper part of the driving shaft column (4) under the push of the spring (8), and the adjusting tooth block (6) is meshedly connected with the adjusting gear (10).

2. A propeller structure according to claim 1, characterized in that: The number of the propulsion blades (1) is two, and an adjustment shaft (9) is fixed to the ends of the two propulsion blades (1). The two propulsion blades (1) are rotatably mounted on both sides of the blade mounting seat (2) in a centrally symmetrical manner through the adjustment shaft (9).

3. A propeller structure according to claim 2, characterized in that: A connecting seat installation groove is provided in the middle of the blade mounting seat (2), and the driving connecting seat (3) is fixedly mounted on the rear part of the blade mounting seat (2) through the connecting seat installation groove, and the front end of the driving shaft column (4) is fixedly connected to the middle part of the rear side of the driving connecting seat (3).

4. A propeller structure according to claim 3, characterized in that: The adjusting gear (10) is fixedly mounted on the end of the adjusting shaft (9); a gear mounting groove is provided inside the driving seat (3); and the adjusting gear (10) is rotatably mounted on the inner side of the gear mounting groove through the adjusting shaft (9).

5. A propeller structure according to claim 4, characterized in that: A shaft sleeve hole (11) is provided in the middle of the support swivel seat (5), and the support swivel seat (5) is movably mounted on the upper part of the drive shaft column (4) through the shaft sleeve hole (11). The spring (8) is movably mounted in the middle of the drive shaft column (4), and the spring (8) is installed in contact between the drive seat (3) and the support swivel seat (5).

6. A propeller structure according to claim 5, characterized in that: The adjusting tooth block (6) and the sliding guide column (7) are both fixedly mounted on the front side of the supporting rotating seat (5); a guide column insertion hole is provided at the rear of the driving connecting seat (3); the end of the sliding guide column (7) is movably inserted into the inner side of the guide column insertion hole; a tooth block embedding groove is provided at the rear of the gear mounting groove; the end of the adjusting tooth block (6) is movably embedded in the inner side of the tooth block embedding groove; and the side of the adjusting tooth block (6) is meshedly connected with the adjusting gear (10).

7. A propeller structure according to claim 5, characterized in that: A supporting ring pad (12) is provided at the rear of the supporting rotating seat (5), and the supporting ring pad (12) is fixedly installed at the rear of the supporting rotating seat (5).

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