Propeller anemometer blade

Abstract

The utility model discloses a propeller anemometer blade, and relates to the blade field, the propeller anemometer blade comprises a blade, one side of a speedometer main body is provided with a rotary pedestal, the rotary pedestal is fixedly provided with a fixed convex block, one end of the rotary pedestal is provided with a compression inner cavity, a spring is fixedly installed in the compression inner cavity, and the fixed convex block is fixedly installed in the compression inner cavity. A limiting block is fixedly installed at the other end of the spring, the rotating base is sleeved with a paddle, and a sleeve cavity is formed in the paddle. According to the propeller anemometer blade, the technical problem that an existing propeller anemometer blade is inconvenient to use is solved, the side groove is formed in one side of the sleeve cavity in the blade, the second limiting groove is formed in one side of the side groove, the arc-shaped clamping block is arranged in the second limiting groove in a sleeved mode, when the blade needs to be installed, the rotating base is arranged in the sleeve cavity in a sleeved mode, and therefore the blade can be installed conveniently. A round rod is arranged on one side of the rotating base, and a limiting block at one end of the round rod pushes the spring into the second limiting groove through the side groove.

Description

Technical Field

[0001] This utility model relates to the field of propeller blades, specifically a propeller blade for a wind gauge. Background Technology

[0002] A propeller anemometer is an instrument used to measure wind speed and direction. It indirectly measures wind speed by measuring the rotational speed of a propeller. A propeller anemometer typically consists of a propeller, a speed sensor, and a data processing unit. When wind blows over the propeller, the propeller rotates. The speed sensor detects the propeller's rotational speed and converts it into an electrical signal, which is then sent to the data processing unit. The data processing unit calculates the wind speed based on the propeller's rotational speed and displays it on the screen. During the use of a propeller anemometer, the design and materials of the propeller have a significant impact on the anemometer's performance.

[0003] An existing propeller anemometer blade is mounted on a rotating base installed on one side of the propeller anemometer. The rotating base is equipped with strip-shaped protrusions, which limit the movement of the blade and prevent it from rotating freely. A fixing block is then threaded onto one end of the rotating base to secure the blade and prevent it from falling off.

[0004] However, for the existing propeller anemometer blades, the fixing block is connected to the rotating base by a threaded connection, which is inconvenient during installation and disassembly, affecting the work efficiency of the staff. In addition, when the propeller anemometer is placed outdoors, rainwater will inevitably seep between the blades and the fixing block when the weather is rainy, which will cause corrosion at the connection and affect the normal use of the blades. Utility Model Content

[0005] Therefore, the purpose of this utility model is to provide a propeller blade for anemometers to solve the technical problem of inconvenience in using existing propeller blades for anemometers.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a propeller wind gauge blade, comprising a blade and a speedometer body, a rotating base being provided on one side of the speedometer body, a fixing protrusion being fixedly installed on the rotating base, a compression cavity being opened at one end of the rotating base, a spring being fixedly installed in the compression cavity, a limiting block being fixedly installed at the other end of the spring, a blade being sleeved on the rotating base, a sleeve cavity being opened in the blade, a first limiting groove being opened on one side of the sleeve cavity, a side groove being opened on one side of the end of the sleeve cavity, a second limiting groove being opened on one side of the side groove, and an arc-shaped locking block being sleeved in the second limiting groove.

[0007] By adopting the above technical solution, the technical problem of inconvenient use of existing propeller anemometer blades is solved. A side groove is opened on one side of the cavity inside the blade, and a second limiting groove is opened on one side of the side groove. An arc-shaped locking block is fitted inside the second limiting groove. When the blade needs to be installed, the rotating base is fitted into the cavity. A round rod is provided on one side of the rotating base. The limiting block at one end of the round rod is pushed into the second limiting groove by a spring through the side groove, pressing one end of the arc-shaped locking block against one end of the second limiting groove, thus completing the blade installation. The limiting block engaged in the second limiting groove will fix the blade, preventing it from falling off the round rod on one side of the rotating base, thus affecting the normal use of the blade. Furthermore, the arc-shaped surface of the arc-shaped locking block pressed into the second limiting groove will coincide with the arc-shaped surface of the blade, preventing external media from entering the blade and affecting its normal use.

[0008] The present invention is further configured such that the length of the rotating base is the same as the length of the sleeve cavity, and the blades do not directly contact the main body of the speed measuring instrument.

[0009] By adopting the above technical solution, the length of the rotating base is the same as the length of the sleeve cavity, and the blades do not directly contact the main body of the speedometer, thus avoiding the main body of the speedometer from affecting the normal rotation of the blades and thus affecting the measurement accuracy of the main body of the speedometer.

[0010] The present invention is further configured such that a curved side groove is provided on one side of the sleeve cavity, and the sleeve cavity is composed of two circular cavities with different diameters.

[0011] By adopting the above technical solution, a curved side groove is provided on one side of the sleeve cavity to facilitate the fitting of the limiting block and reduce the installation difficulty for workers. The sleeve cavity is set into two circular cavities with different diameters to facilitate the fitting of the blade.

[0012] The present invention is further configured such that the setting angles of the fixed protrusion and the limiting block are perpendicular to each other, and the opening angles of the first limiting groove and the side groove are perpendicular to each other.

[0013] By adopting the above technical solution, the stability of the blade installation is enhanced and the blade is made more practical by setting the fixed protrusion and the limiting block at mutually perpendicular angles, and setting the first limiting groove and the side groove at mutually perpendicular angles.

[0014] The present invention is further configured such that the length of the first limiting groove is less than the length of the sleeve cavity, and the first limiting groove is opened at one end of the second circular cavity of the sleeve cavity and does not contact the two sections of the sleeve cavity.

[0015] By adopting the above technical solution, the length of the first limiting groove is set to be less than the length of the sleeve cavity. The first limiting groove is opened at one end of the second circular cavity of the sleeve cavity, which facilitates the installation of the rotating base and avoids the blade from colliding with the rotating base, thereby affecting the normal use of the device.

[0016] The present invention is further configured such that one side of the fixing protrusion and the first limiting groove are both curved surfaces, and the length of the fixing protrusion and the first limiting groove are the same.

[0017] By adopting the above technical solution, by setting one side of both the fixing protrusion and the first limiting groove as curved surfaces, it is convenient to fit the blade and the rotating base. The fixing protrusion and the first limiting groove of the same length can prevent the blade from becoming loose after installation, thereby affecting the normal use of the blade.

[0018] The present invention is further configured such that a base plate is provided on one side of the limiting block, and the limiting block is sleeved on the compression cavity through the base plate.

[0019] By adopting the above technical solution, a base plate is provided on one side of the limiting block, and the limiting block is sleeved in the compression cavity through the base plate, so that the limiting block will not fall out of the compression cavity, ensuring that the limiting block can be used normally.

[0020] The present invention is further configured such that one side of the limiting block is a circular arc surface, and the radius of the circular arc surface is the same as the radius of the circular rod on the rotating base.

[0021] By adopting the above technical solution, by setting one side of the limiting block as an arc surface, and the radius of the arc surface being the same as the radius of the round rod on the rotating base, the round rod on the rotating base can be fitted into the sleeve cavity, thus avoiding collision between the round rod on the rotating base and the sleeve cavity.

[0022] The present invention is further configured such that a base plate is provided on one side of the arc-shaped card block, and the arc-shaped card block is sleeved in the second limiting groove through the base plate.

[0023] By adopting the above technical solution, a base plate is provided on one side of the arc-shaped locking block, and the arc-shaped locking block is fitted into the second limiting groove through the base plate, so that the arc-shaped locking block can be fitted into the second limiting groove, preventing the arc-shaped locking block from falling off and thus affecting the normal use of the blade.

[0024] The present invention is further configured such that one side of the arc-shaped card block is a curved surface, and the curved surface of one side of the arc-shaped card block is the same as the curved surface of one side of the blade.

[0025] By adopting the above technical solution, by setting one side of the arc-shaped card block as a curved surface, and the curved surface of one side of the arc-shaped card block is the same as the curved surface of one side of the blade, the curved surfaces of the arc-shaped card block and the blade side cooperate with each other, preventing external media from entering the blade and thus affecting the normal use of the blade.

[0026] In summary, the present invention has the following main advantages:

[0027] 1. This utility model solves the technical problem of inconvenient use of existing propeller anemometer blades by providing a blade, a rotating base, a fixing protrusion, a compression cavity, a spring, a limiting block, a sleeve cavity, a first limiting groove, a side groove, a second limiting groove, an arc-shaped locking block, and a curved side surface. A side groove is formed on one side of the sleeve cavity inside the blade, and a second limiting groove is formed on one side of the side groove. An arc-shaped locking block is fitted inside the second limiting groove. When the blade needs to be installed, the rotating base is fitted inside the sleeve cavity. A round rod is provided on one side of the rotating base. The limiting block at one end of the round rod will be pushed into the second limiting groove by the spring through the side groove, and the end of the arc-shaped locking block will be pressed into the end of the second limiting groove, thus completing the installation of the blade. The limiting block locked into the second limiting groove will have a fixing effect on the blade, preventing the blade from falling off the round rod on the side of the rotating base, thus affecting the normal use of the blade. In addition, the arc-shaped surface of the arc-shaped locking block pressed into the second limiting groove will coincide with the arc-shaped surface of the blade, preventing the outer wall medium from entering the blade, thus affecting the normal use of the blade.

[0028] 2. This utility model features an arc-shaped locking block. When the blade needs to be disassembled, pressing the arc-shaped locking block causes the limiting block to enter the compression cavity through the compression spring, releasing the constraint of the limiting block on the blade. This allows the blade to be removed from the rotating base, facilitating blade disassembly and saving installation time. Additionally, a curved side groove is provided on one side of the blade's internal cavity, reducing the installation difficulty of the round rod's limiting block and making the blade more practical. Attached Figure Description

[0029] Figure 1 This is a first structural schematic diagram of the present invention;

[0030] Figure 2 This is a schematic diagram of the second structure of the present invention;

[0031] Figure 3 This is a first partial enlarged view of the present invention;

[0032] Figure 4 This is a schematic diagram of the third structure of this utility model;

[0033] Figure 5 This is a second enlarged view of the present invention;

[0034] Figure 6 This is a detailed installation diagram of the arc-shaped card block of this utility model;

[0035] Figure 7 This is a cross-sectional view of the blade of this utility model;

[0036] Figure 8 This is a schematic diagram of the third structure of this utility model;

[0037] Figure 9This is a detailed view of the curved side of the present invention.

[0038] In the figure: 1. Blade; 2. Speedometer body; 21. Rotating base; 22. Fixed protrusion; 3. Compression cavity; 31. Spring; 32. Limiting block; 4. Sleeve cavity; 41. First limiting groove; 5. Side groove; 6. Second limiting groove; 7. Arc-shaped locking block; 8. Curved side. Detailed Implementation

[0039] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0040] The embodiments of this utility model will be described below based on its overall structure.

[0041] Example 1

[0042] A propeller-driven anemometer blade, such as Figure 1 - Figure 8 As shown, the device includes a blade 1 and a speedometer body 2. A rotating base 21 is provided on one side of the speedometer body 2. A fixing protrusion 22 is fixedly installed on the rotating base 21. The rotating base 21 and the fixing protrusion 22 facilitate the mounting of the blade 1. A compression cavity 3 is opened at one end of the rotating base 21. A spring 31 is fixedly installed in the compression cavity 3. A limit block 32 is fixedly installed at the other end of the spring 31. The limit block 32 can be movably mounted in the compression cavity 3 by the spring 31. The blade 1 is mounted on the rotating base 21. A sleeve cavity 4 is opened in the blade 1. A first limiting groove 41 is opened on one side of the sleeve cavity 4. A side groove 5 is opened on one side of the end of the sleeve cavity 4. A second limiting groove 6 is opened on one side of the side groove 5. An arc-shaped locking block 7 is mounted in the second limiting groove 6 to prevent external media from entering the interior of the blade 1.

[0043] Please see Figure 2 and Figure 7 The length of the rotating base 21 is the same as the length of the sleeve cavity 4. The blade 1 does not directly contact the speed measuring instrument body 2. By making the length of the rotating base 21 the same as the length of the sleeve cavity 4, the blade 1 does not directly contact the speed measuring instrument body 2, thus avoiding the speed measuring instrument body 2 from affecting the normal rotation of the blade 1 and thus affecting the measurement accuracy of the speed measuring instrument body 2.

[0044] Please see Figure 7 and Figure 8 A curved side groove is provided on one side of the sleeve cavity 4. The sleeve cavity 4 is composed of two circular cavities with different diameters. By providing a curved side groove on one side of the sleeve cavity 4, it is easier to fit the limiting block 32 and reduce the installation difficulty for the workers. The sleeve cavity 4 is set into two circular cavities with different diameters, which facilitates the fitting of the blade 1.

[0045] Please see Figure 2 and Figure 8 The fixed protrusion 22 and the limiting block 32 are set at angles that are perpendicular to each other, and the opening angles of the first limiting groove 41 and the side groove 5 are perpendicular to each other. By setting the fixed protrusion 22 and the limiting block 32 at angles that are perpendicular to each other, and opening the first limiting groove 41 and the side groove 5 at angles that are perpendicular to each other, the stability of the blade 1 installation is enhanced, making the blade 1 more practical.

[0046] Please see Figure 7 The length of the first limiting groove 41 is less than the length of the sleeve cavity 4. The first limiting groove 41 is opened at one end of the second circular cavity of the sleeve cavity 4 and does not contact the two ends of the sleeve cavity 4. By setting the length of the first limiting groove 41 to be less than the length of the sleeve cavity 4 and opening the first limiting groove 41 at one end of the second circular cavity of the sleeve cavity 4, it is convenient to fit the rotating base 21 and avoid the blade 1 from colliding with the rotating base 21, thereby affecting the normal use of the device.

[0047] Please see Figure 2 and Figure 3 The fixed protrusion 22 and the first limiting groove 41 are both set as curved surfaces on one side, and the fixed protrusion 22 and the first limiting groove 41 are the same length. By setting the fixed protrusion 22 and the first limiting groove 41 as curved surfaces on one side, it is convenient to fit the blade 1 and the rotating base 21. The fixed protrusion 22 and the first limiting groove 41 are the same length, which can prevent the blade 1 from becoming loose after installation, thereby affecting the normal use of the blade 1.

[0048] Please see Figure 3 A base plate is provided on one side of the limiting block 32, and the limiting block 32 is sleeved on the compression cavity 3 through the base plate. By providing a base plate on one side of the limiting block 32 and sleeved on the compression cavity 3 through the base plate, the limiting block 32 will not fall out of the compression cavity 3, ensuring that the limiting block 32 can be used normally.

[0049] Please see Figure 3 One side of the limiting block 32 is set as an arc surface, and the radius of the arc surface is the same as the radius of the round rod on the rotating base 21. By setting one side of the limiting block 32 as an arc surface, and the radius of the arc surface is the same as the radius of the round rod on the rotating base 21, the round rod on the rotating base 21 can be fitted into the sleeve cavity 4, thus avoiding collision between the round rod on the rotating base 21 and the sleeve cavity 4.

[0050] Please see Figure 5 and Figure 6A base plate is provided on one side of the arc-shaped locking block 7, and the arc-shaped locking block 7 is fitted into the second limiting groove 6 through the base plate. By providing a base plate on one side of the arc-shaped locking block 7 and fitting the arc-shaped locking block 7 into the second limiting groove 6 through the base plate, the arc-shaped locking block 7 can be fitted into the second limiting groove 6, preventing the arc-shaped locking block 7 from falling off and thus affecting the normal use of the blade 1.

[0051] Please see Figure 5 and Figure 6 One side of the arc-shaped locking block 7 is set as a curved surface, and the curved surface of one side of the arc-shaped locking block 7 is the same as the curved surface of one side of the blade 1. By setting one side of the arc-shaped locking block 7 as a curved surface, and the curved surface of one side of the arc-shaped locking block 7 is the same as the curved surface of one side of the blade 1, the curved surfaces of the arc-shaped locking block 7 and the blade 1 are matched to each other, so as to prevent external media from entering the blade 1 and thus affecting the normal use of the blade 1.

[0052] Example 2

[0053] A propeller-driven anemometer blade, such as Figure 9 As shown, the technical solution and parts of this embodiment are basically the same as those of Embodiment 1. The technically similar parts will not be described again here. It can be written as follows: A curved side edge 8 is provided on one side of the blade 1. The curved side edge 8 is arranged in a ring and one side of the curved side edge 8 is provided with an arc.

[0054] By providing a circular curved side 8 on one side of the blade 1, and the curved side 8 having an arc on one side, when the blade 1 is installed on the speedometer body 2, the curved side 8 will cover the installation seam between the blade 1 and the speedometer body 2, thus preventing external media from entering and affecting the normal use of the spiral speedometer.

[0055] The working principle of this utility model is as follows: When the blade 1 needs to be installed, the first limiting groove 41 of the inner cavity 4 of the blade 1 is aligned with the fixing protrusion 22, and the limiting block 32 is aligned with the curved side groove on one side of the cavity 4. Then, the blade 1 is pressed to make the limiting block 32 enter the compression inner cavity 3, the rotating base 21 enters the cavity 4, and the fixing protrusion 22 on the round rod on one side of the rotating base 21 is fitted into the first limiting groove 41. When the blade 1 moves to the designated position, the fixing protrusion 22 fitted into the first limiting groove 41 will limit the free rotation of the blade 1, preventing the blade 1 from rotating freely on the round rod on one side of the rotating base 21. The limiting block 32 at one end of the rotating base 21 will be pushed by the spring 31 through the side groove 5. Inside the second limiting groove 6, the side groove 5 and the second limiting groove 6 are opened at the end of one side of the sleeve cavity 4, and one end of the arc-shaped locking block 7 is pressed to one end of the second limiting groove 6, thereby fixing the blade 1 to the round rod on one side of the rotating base 21, so that the blade 1 can be quickly installed, reducing the installation difficulty for installers and making the device more practical. At the same time, the limiting block 32 locked in the second limiting groove 6 will have a fixing effect on the blade 1, preventing the blade 1 from falling off the round rod on one side of the rotating base 21, thus affecting the normal use of the blade 1. Moreover, the arc-shaped surface of the arc-shaped locking block 7 pressed to one end of the second limiting groove 6 will coincide with the arc-shaped surface of the blade 1, which can prevent external media from entering the blade 1, thus affecting the normal use of the blade 1.

[0056] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not intended to limit the invention. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, and variations are within the scope of the claims of the present invention and are protected by patent law.

Claims

1. A propeller blade for a wind gauge, comprising a blade (1) and a speedometer body (2), characterized in that: A rotating base (21) is provided on one side of the main body (2) of the speed measuring instrument. A fixed protrusion (22) is fixedly installed on the rotating base (21). A compression cavity (3) is opened at one end of the rotating base (21). A spring (31) is fixedly installed in the compression cavity (3). A limit block (32) is fixedly installed at the other end of the spring (31). A blade (1) is sleeved on the rotating base (21). A sleeve cavity (4) is opened in the blade (1). A first limiting groove (41) is opened on one side of the sleeve cavity (4). A side groove (5) is opened on one side of the end of the sleeve cavity (4). A second limiting groove (6) is opened on one side of the side groove (5). An arc-shaped locking block (7) is sleeved in the second limiting groove (6).

2. The propeller blade of a propeller anemometer according to claim 1, characterized in that: The length of the rotating base (21) is the same as the length of the sleeve (4), and the blade (1) does not directly contact the speed measuring instrument body (2).

3. The propeller blade of a propeller anemometer according to claim 1, characterized in that: A curved side groove is provided on one side of the sleeve cavity (4), and the sleeve cavity (4) is composed of two circular cavities with different diameters.

4. The propeller blade of a propeller anemometer according to claim 1, characterized in that: The fixed protrusion (22) and the limiting block (32) are set at angles perpendicular to each other, and the first limiting groove (41) and the side groove (5) are opened at angles perpendicular to each other.

5. The propeller blade of a propeller anemometer according to claim 1, characterized in that: The length of the first limiting groove (41) is less than the length of the sleeve cavity (4). The first limiting groove (41) is opened at one end of the second section of the circular cavity of the sleeve cavity (4) and does not contact the two sections of the sleeve cavity (4).

6. The propeller blade of a propeller anemometer according to claim 1, characterized in that: The fixed protrusion (22) and the first limiting groove (41) are both set as curved surfaces on one side, and the fixed protrusion (22) and the first limiting groove (41) have the same length.

7. The propeller blade of a propeller anemometer according to claim 1, characterized in that: The limiting block (32) has a base plate on one side, and the limiting block (32) is sleeved in the compression cavity (3) through the base plate.

8. The propeller blade of a propeller anemometer according to claim 1, characterized in that: One side of the limiting block (32) is set as an arc surface, and the radius of the arc surface is the same as the radius of the round rod on the rotating base (21).

9. The propeller blade of a propeller anemometer according to claim 1, characterized in that: The arc-shaped card block (7) has a base plate on one side, and the arc-shaped card block (7) is fitted into the second limiting groove (6) through the base plate.

10. The propeller blade of a propeller anemometer according to claim 1, characterized in that: One side of the arc-shaped card block (7) is set as a curved surface, and the curved surface of one side of the arc-shaped card block (7) is the same as the curved surface of one side of the blade (1).

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