Gear workpiece pressure angle measuring tool

Abstract

The utility model discloses a gear workpiece pressure angle measuring tool which comprises a main board used for arranging a measuring assembly, a connecting block arranged at the front end of the main board and a reference rod fixedly arranged at the top end of the connecting block, connecting shafts are movably arranged on the front surface of the connecting block close to the two sides, and measuring rods are fixedly arranged at the top ends of the connecting shafts. The outer surface of the connecting shaft is sleeved with a clamping frame, a pin groove is formed in the outer surface of the connecting shaft in a surrounding mode, and a pin rod is arranged at the bottom end of the clamping frame. According to the gear workpiece pressure angle measuring tool, the reference rod, the measuring rod, the protractor and the pin rod are arranged, so that when the gear workpiece pressure angle measuring tool is used, a user can be assisted in rapidly completing measuring operation on the pressure angle of a gear workpiece.

Description

Technical Field

[0001] The utility model relates to the technical field of gears, in particular to a gear workpiece pressure angle measuring tool. Background Art

[0002] Gears are mechanical components with teeth on the wheel rim that can continuously mesh to transmit motion and power. The application of gears in transmission has appeared very early. At the end of the 19th century, the principle of gear cutting and the special machine tools and tools that use this principle to cut gears appeared one after another. With the development of production, the stability of gear operation has received attention.

[0003] When machining a gear workpiece, the pressure angle needs to be measured. However, when using the pressure angle measuring tool, it cannot quickly assist the user to complete the measurement operation, which makes the user inconvenient when using it and can no longer meet the user's needs. Utility Model Content

[0004] The purpose of the utility model is to provide a gear workpiece pressure angle measuring tool to solve the problem that the pressure angle measuring tool mentioned in the above background technology cannot quickly assist the user to complete the measurement task when in use, causing inconvenience to the user when using it and can no longer meet the user's use needs.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gear workpiece pressure angle measuring tool, comprising a main board for setting a measuring component, a connecting block arranged at the front end of the main board, a reference rod fixedly arranged at the top end of the connecting block, connecting shafts are movably arranged at both sides of the front surface of the connecting block, a measuring rod is fixedly arranged at the top end of the connecting shaft, a clamping frame is sleeved on the outer surface of the connecting shaft, a pin groove is opened around the outer surface of the connecting shaft, a pin rod is arranged at the bottom end of the clamping frame, connecting springs are fixedly arranged at both sides of the top of the pin rod, and a protractor is arranged at the bottom end of the connecting block.

[0006] Furthermore, a locking bolt is fixedly provided on the rear surface of the connection block, and the rear end of the locking bolt extends to the inside of the main board and is threadedly connected to the main board.

[0007] Furthermore, the protractor is magnetically connected to the connection block via a magnet.

[0008] Furthermore, the top end of the connecting spring is fixedly connected to the card frame.

[0009] Furthermore, the outer surface of the mainboard is surrounded by supporting feet, the total number of the supporting feet is four, and the four supporting feet are all fixedly connected to the mainboard.

[0010] Furthermore, the rear end of the card frame is fixedly connected to the connecting block, and the inner wall of the card frame is in contact with the connecting shaft.

[0011] Furthermore, the number of the pin slots is several, and every two pin slots are designed to be equidistant from each other.

[0012] Furthermore, the top end of the pin rod passes through the bracket and extends to the inside of the pin slot, and the pin rod is clamped with the pin slot.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The gear workpiece pressure angle measuring tool, by providing a reference rod, a measuring rod, a protractor and a pin rod, enables the device to assist the user in quickly completing the measurement of the pressure angle of the gear workpiece when in use, thereby reducing the time spent by the user on measurement, improving the user's efficiency, bringing convenience to the user, improving the practicality of the device, and meeting the user's usage needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a cross-sectional view of the structure of the utility model;

[0017] Figure 3 for Figure 2 A is a partial enlarged schematic diagram;

[0018] Figure 4 It is a schematic diagram of the locking bolt of the utility model;

[0019] Figure 5 It is a schematic diagram of the pin groove of the utility model;

[0020] Figure 6 It is a schematic diagram of the mainboard of the utility model;

[0021] Figure 7 This is a schematic diagram of the measurement state of the utility model;

[0022] Figure 8 This is a schematic diagram of the basic parameters of gears.

[0023] In the figure: 1. main board; 2. connecting block; 3. reference rod; 4. measuring rod; 5. pin groove; 6. connecting shaft; 7. bracket; 8. pin rod; 9. connecting spring; 10. locking bolt; 11. support foot; 12. protractor. DETAILED DESCRIPTION

[0024] The utility model is further described in detail below with reference to the accompanying drawings and through specific embodiments. The following embodiments are merely illustrative and not limiting of the protection scope of the utility model.

[0025] See also Figure 1-7 The utility model provides a technical solution: a gear workpiece pressure angle measuring tool, comprising a mainboard 1 for setting a measuring component, the mainboard 1 is used to set the measuring component, a connecting block 2 arranged at the front end of the mainboard 1, the connecting block 2 is used to set the corresponding component, a reference rod 3 fixedly arranged at the top of the connecting block 2, the reference rod 3 serves as a reference point for reference, a connecting shaft 6 is movably arranged at both sides of the front surface of the connecting block 2, the connecting shaft 6 is used to set a measuring rod 4, the top of the connecting shaft 6 is fixedly provided with a measuring rod 4, the measuring rod 4 is used for measurement, the outer surface of the connecting shaft 6 is sleeved with a bracket 7, the bracket 7 is used to set the corresponding component, the outer surface of the connecting shaft 6 is surrounded by a pin groove 5, the pin groove 5 is used to connect with a pin rod 8, the bottom end of the bracket 7 is provided with a pin rod 8, the pin rod 8 can limit the connecting shaft 6, the top of the pin rod 8 is fixedly provided with a connecting spring 9, the connecting spring 9 can support the pin rod 8, and the bottom end of the connecting block 2 is provided with a protractor 12, the protractor 12 can measure the angle.

[0026] Furthermore, a locking bolt 10 is fixedly provided on the rear surface of the connection block 2 , and the rear end of the locking bolt 10 extends to the interior of the main board 1 and is threadedly connected to the main board 1 , wherein the locking bolt 10 can limit the connection block 2 .

[0027] Furthermore, the protractor 12 is magnetically connected to the connection block 2 via a magnet, wherein the protractor 12 can measure angles.

[0028] Furthermore, the top end of the connecting spring 9 is fixedly connected to the bracket 7 , wherein the connecting spring 9 can connect and support the pin rod 8 .

[0029] Furthermore, the outer surface of the mainboard 1 is surrounded by supporting feet 11 , and the total number of the supporting feet 11 is four, and the four supporting feet 11 are all fixedly connected to the mainboard 1 , wherein the supporting feet 11 can support the mainboard 1 .

[0030] Furthermore, the rear end of the card frame 7 is fixedly connected to the connection block 2, and the inner wall of the card frame 7 is in contact with the connection shaft 6, wherein the card frame 7 is used to set the corresponding components.

[0031] Furthermore, there are a plurality of pin grooves 5 , and every two pin grooves 5 are designed to be equidistant from each other, wherein the pin grooves 5 are used to connect with the pin rod 8 .

[0032] Furthermore, the top end of the pin rod 8 passes through the bracket 7 and extends to the inside of the pin groove 5 , and the pin rod 8 is clamped with the pin groove 5 , wherein the pin rod 8 can limit the connecting shaft 6 .

[0033] Working principle: When using this device for measurement, the user sets the gear workpiece on the cylindrical protrusion on the main board 1, and then the user uses the locking bolt 10 to insert the locking bolt 10 into the locking groove at the front end of the main board 1, and then the user rotates the connecting block 2 to screw the locking bolt 10 into the locking groove for connection, thereby installing the connecting block 2 at the front end of the main board 1, and then the user uses the reference rod 3 as the reference point to rotate the middle position of the gear tooth on the gear workpiece to align with the reference rod 3, and then the user rotates the two measuring rods 4 to cross them, so that the two measuring rods 4 are respectively aligned with the two beveled sides of the gear teeth, so that the angle of the gear teeth will be formed, and then the user takes out the protractor 12 to measure the two measuring rods 4 respectively with the reference rod 3 as the reference point, and the angle of the gear pressure angle can be measured, wherein the pin rod 8 and the pin groove 5 cooperate with each other for use, and can limit the connecting shaft 6, so that the connecting shaft 6 maintains the current rotation position after rotation and will not move, thereby avoiding errors.

[0034] According to the above working process, we can know:

[0035] The gear workpiece pressure angle measuring tool, by providing a reference rod 3, a measuring rod 4, a protractor 12 and a pin rod 8, enables the device to assist the user in quickly completing the measurement of the pressure angle of the gear workpiece when in use, thereby reducing the time spent by the user on measurement, improving the user's efficiency, bringing convenience to the user, improving the practicality of the device, and meeting the user's usage needs.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gear workpiece pressure angle measuring tool, comprising a main board (1) for setting a measuring assembly, a connecting block (2) arranged at the front end of the main board (1), and a reference rod (3) fixedly arranged at the top end of the connecting block (2), characterized in that: A connecting shaft (6) is movably provided at both sides of the front surface of the connecting block (2); a measuring rod (4) is fixedly provided at the top of the connecting shaft (6); a bracket (7) is sleeved on the outer surface of the connecting shaft (6); a pin groove (5) is formed around the outer surface of the connecting shaft (6); a pin rod (8) is provided at the bottom end of the bracket (7); connecting springs (9) are fixedly provided at both sides of the top of the pin rod (8); and a protractor (12) is provided at the bottom end of the connecting block (2).

2. A gear workpiece pressure angle measuring tool according to claim 1, characterized in that: A locking bolt (10) is fixedly disposed on the rear surface of the connection block (2), and the rear end of the locking bolt (10) extends into the interior of the main board (1) and is threadedly connected to the main board (1).

3. A gear workpiece pressure angle measuring tool according to claim 1, characterized in that: The protractor (12) is magnetically connected to the connection block (2) via a magnet.

4. A gear workpiece pressure angle measuring tool according to claim 1, characterized in that: The top end of the connecting spring (9) is fixedly connected to the bracket (7).

5. A gear workpiece pressure angle measuring tool according to claim 1, characterized in that: The outer surface of the main board (1) is surrounded by supporting feet (11), the total number of the supporting feet (11) is four, and the four supporting feet (11) are all fixedly connected to the main board (1).

6. A gear workpiece pressure angle measuring tool according to claim 1, characterized in that: The rear end of the bracket (7) is fixedly connected to the connecting block (2), and the inner wall of the bracket (7) is in contact with the connecting shaft (6).

7. A gear workpiece pressure angle measuring tool according to claim 1, characterized in that: The number of the pin slots (5) is several, and every two pin slots (5) are designed to be equidistant from each other.

8. A gear workpiece pressure angle measuring tool according to claim 1, characterized in that: The top end of the pin rod (8) passes through the bracket (7) and extends to the inside of the pin groove (5), and the pin rod (8) is clamped with the pin groove (5).

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