High-stability anti-deformation transmission bevel gear shaft

Abstract

The high-stability anti-deformation transmission bevel gear shaft comprises a bevel gear part, the bevel gear part is of a circular truncated cone structure, a straight tooth block structure is arranged on the outer surface of the bevel gear part, a connecting shaft is fixedly arranged on the surface of the bevel gear part in a penetrating mode, and the connecting shaft is of a hollow cylinder structure with the lower surface open. A transmission shaft is installed in the connecting shaft and is of a round rod structure. According to the high-stability anti-deformation transmission bevel gear shaft, the bevel gear part is arranged to be of a hollow structure with an opening in the lower surface, so that the overall weight of the bevel gear part is reduced, a reinforcing rod is arranged on the inner wall of the bevel gear part, and a triangular supporting structure is formed between the reinforcing rod and the connecting shaft; the stability of the connecting process of the connecting shaft and the bevel gear part is guaranteed, and deformation of the device caused by uneven stress in the using process is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of bevel gear shafts, in particular to a highly stable and deformation-resistant transmission bevel gear shaft. Background Art

[0002] A bevel gear shaft is a mechanical component that integrates a bevel gear and a shaft. It can transmit power and change the direction of force transmission. It is widely used in various fields. For example, in a transmission, the bevel gear shaft receives power from the power source and transmits the power to other gears through the bevel gear on the shaft, thereby participating in the speed change process of the transmission.

[0003] Due to the large contact stress on the tooth surface of the bevel gear shaft, the stress received by the tooth surface is uneven during the long-term transmission process, resulting in a decrease in tooth profile accuracy and an increase in transmission clearance, which in turn affects the smoothness and accuracy of the transmission. Utility Model Content

[0004] The purpose of the present invention is to provide a highly stable and deformation-resistant transmission bevel gear shaft. The device sets the bevel gear part to be hollow and provides a corresponding reinforcement structure to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a highly stable and deformation-resistant transmission bevel gear shaft, comprising a bevel gear portion, the bevel gear portion being a truncated cone structure, and a straight tooth block structure being provided on the outer surface of the bevel gear portion, a connecting shaft being fixedly provided through the surface of the bevel gear portion, the connecting shaft being a hollow cylindrical structure with an open lower surface, a transmission shaft being installed inside the connecting shaft, the transmission shaft being a round rod structure, a reinforcement structure being provided on the surface of the bevel gear portion, the reinforcement structure realizing a stable connection between the bevel gear portion and the connecting shaft while reducing the overall weight of the device.

[0006] Preferably, the reinforcement structure includes a reinforcement rod, which is a long rod structure. One end of the reinforcement rod is fixedly mounted on the outer surface of the connecting shaft, and the other end of the reinforcement rod is fixedly connected to the hollow inner wall of the bevel gear part. The reinforcement rod forms a triangular support between the outer surface of the connecting shaft and the inner wall of the bevel gear part. The reinforcement rod is provided with multiple rings on the outer surface of the connecting shaft, and the upper surface of the bevel gear part is provided with multiple ventilation holes in a ring shape, and the ventilation holes pass through the upper surface of the bevel gear part.

[0007] By adopting the above technical solution, the reinforcing rod can be used to improve the stability of the connection between the connecting shaft and the bevel gear part.

[0008] Preferably, a snap-fit ​​structure is provided inside the connecting shaft, and the snap-fit ​​structure can maintain the stability of the connection process during the connection between the connecting shaft and the transmission shaft.

[0009] By adopting the above technical solution and utilizing the engaging structure, the stability of the connection between the connecting shaft and the transmission shaft can be increased.

[0010] Preferably, the locking structure includes a locking slot, the cross-section of the locking slot is trapezoidal, the locking slot is arranged on the inner wall of the connecting shaft, and one end of the locking slot passes through the lower end of the connecting shaft, and multiple locking slots are arranged in a ring on the inner wall of the connecting shaft, and a protrusion is installed inside the locking slot, and the protrusion is fixedly installed on the outer surface of the transmission shaft.

[0011] By adopting the above technical solution and utilizing the snap connection between the slot and the protrusion, the stability of the connection process between the connecting shaft and the transmission shaft can be improved.

[0012] Preferably, a connection structure is provided on the surface of the connecting shaft, and the connection structure can realize the connection and disassembly process between the connecting shaft and the transmission shaft.

[0013] By adopting the above technical solution, the connecting shaft and the transmission shaft can be connected and disassembled using the connecting structure.

[0014] Preferably, the connecting structure includes a connecting groove, which is arranged on the upper surface of the connecting shaft, and a threaded connecting hole is provided through the bottom surface of the connecting groove, a threaded rod is connected to the threaded hole of the connecting groove, a cross-shaped groove is provided on one end surface of the threaded rod, and the other end of the threaded rod is inserted into the mounting hole provided on the upper surface of the transmission shaft, and the mounting hole is a threaded hole structure.

[0015] By adopting the above technical solution, the connecting shaft and the transmission shaft can be connected by using a threaded rod.

[0016] Compared with the prior art, the beneficial effects of the present invention are: the highly stable and deformation-resistant transmission bevel gear shaft:

[0017] 1. This device uses a hollow bevel gear unit with an open lower surface, which reduces the overall weight of the bevel gear unit. A triangular support structure is formed between the reinforcing rods provided on the inner wall of the bevel gear unit and the connecting shaft to ensure the stability of the connection between the connecting shaft and the bevel gear unit, thus preventing deformation of the device due to uneven force during use.

[0018] 2. The lower surface of the bevel gear portion of this device is open and connected to the outside, which increases the contact area between the device and the air and improves the heat dissipation performance of the device during high-speed rotation. At the same time, ventilation holes are provided through the upper surface of the bevel gear portion to further improve the heat dissipation performance of the device.

[0019] 3. One side of the connecting shaft of this device is open, and a slot is provided inside to engage with a protrusion on the surface of the transmission shaft. When the transmission shaft and the connecting shaft are connected, the protrusion and the slot are engaged one by one, avoiding relative displacement between the connecting shaft and the transmission shaft and always maintaining synchronization of movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the top view of the structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the utility model when viewed from above;

[0022] Figure 3 This is a schematic diagram of the front cross-section structure of the utility model;

[0023] Figure 4 This is a schematic diagram of the connection structure between the connecting shaft and the transmission shaft of the utility model;

[0024] Figure 5 This is a schematic diagram of the front cross-section structure of the connecting shaft of the utility model;

[0025] Figure 6 This is a front view structural diagram of the transmission shaft of the present utility model.

[0026] In the figure: 1. Bevel gear part; 2. Connecting shaft; 3. Transmission shaft; 4. Reinforcement rod; 5. Ventilation hole; 6. Slot; 7. Connecting groove; 8. Bump; 9. Mounting hole; 10. Threaded rod. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] See also Figures 1-6 The utility model provides a technical solution: a highly stable and anti-deformation transmission bevel gear shaft, including a bevel gear part 1, a connecting shaft 2, a transmission shaft 3, a reinforcing rod 4, a ventilation hole 5, a slot 6, a connecting groove 7, a protrusion 8, a mounting hole 9, and a threaded rod 10.

[0029] The bevel gear part 1 is a truncated cone structure, and a straight tooth block structure is provided on the outer surface of the bevel gear part 1. A connecting shaft 2 is fixedly provided on the surface of the bevel gear part 1. The connecting shaft 2 is a hollow cylindrical structure with an open lower surface. A transmission shaft 3 is installed inside the connecting shaft 2. The transmission shaft 3 is a round rod structure. A reinforcing structure is provided on the surface of the bevel gear part 1. The reinforcing structure realizes a stable connection between the bevel gear part 1 and the connecting shaft 2 while reducing the overall weight of the device. The reinforcing structure includes a reinforcing rod 4. The reinforcing rod 4 is a long strip rod structure. One end of the reinforcing rod 4 is fixedly installed on the outer surface of the connecting shaft 2, and the other end of the reinforcing rod 4 is fixedly connected to the hollow inner wall of the bevel gear part 1 to form a triangular support between the outer surface of the connecting shaft 2 and the inner wall of the bevel gear part 1. The reinforcing rod 4 is annularly provided with multiple ventilation holes 5 on the upper surface of the bevel gear part 1. The ventilation holes 5 pass through the upper surface of the bevel gear part 1;

[0030] like Figure 1 、 Figure 2 and Figure 3 As shown, when using this device, the transmission shaft 3 is installed at the output end of the power source inside the transmission, so that the transmission rotates with the power source and transmits force to the bevel gear part 1, driving the bevel gear part 1 to rotate. The rotating bevel gear part 1 transmits force to other transmission gears, thereby participating in the movement inside the transmission. During the trial use of the device, the transmission shaft 3 drives the connecting shaft 2 to rotate synchronously, and the connecting shaft 2 uses the reinforcing rod 4 arranged on the surface to evenly transmit force to the bevel gear part 1, thereby avoiding deformation of the bevel gear part 1 due to uneven force, and the lower surface of the bevel gear part 1 is connected to the air, so that the contact area between the bevel gear part 1 and the air is increased, and the ventilation holes 5 arranged on the upper surface of the bevel gear part 1 are used to increase the air circulation speed on the surface of the device, thereby improving the heat dissipation efficiency of the device during use.

[0031] A locking structure is provided inside the connecting shaft 2, which can maintain the stability of the connection process during the connection between the connecting shaft 2 and the transmission shaft 3. The locking structure includes a locking groove 6, the cross-section of the locking groove 6 is trapezoidal, the locking groove 6 is provided on the inner wall of the connecting shaft 2, and one end of the locking groove 6 passes through the lower end of the connecting shaft 2, and multiple locking grooves 6 are annularly provided on the inner wall of the connecting shaft 2. A protrusion 8 is installed in the internal locking of the locking groove 6, and the protrusion 8 is fixedly installed on the outer surface of the transmission shaft 3. A connecting structure is provided on the surface of the connecting shaft 2, and the connecting structure can realize the connection and disassembly process between the connecting shaft 2 and the transmission shaft 3. The connecting structure includes a connecting groove 7, which is provided on the upper surface of the connecting shaft 2, and a threaded connecting hole is provided on the bottom surface of the connecting groove 7. A threaded rod 10 is connected to the threaded hole of the connecting groove 7. A cross groove is provided on one end surface of the threaded rod 10, and the other end of the threaded rod 10 is inserted into the mounting hole 9 provided on the upper surface of the transmission shaft 3, and the mounting hole 9 is a threaded hole structure;

[0032] like Figure 4 、 Figure 5 and Figure 6 As shown, in the process of connecting the connecting shaft 2 and the transmission shaft 3, the protrusion 8 on the outer surface of the transmission shaft 3 is inserted into the groove 6 on the inner wall from one end of the connecting shaft 2, so that the protrusion 8 and the groove 6 are engaged with each other until the mounting hole 9 at one end of the transmission shaft 3 is aligned with the connecting groove 7 on the surface of the connecting shaft 2. At this time, the threaded rod 10 is inserted through the connecting groove 7 into the mounting hole 9, and the connecting groove 7 and the mounting hole 9 are connected by the threaded rod 10. The connection process of the connecting shaft 2 and the transmission shaft 3 can be completed, and the mutual engagement between the protrusion 8 and the groove 6 will prevent the connecting shaft 2 and the transmission shaft 3 from relative displacement, thereby improving the stability of the device during use.

[0033] Working principle: When using the highly stable and deformation-resistant transmission bevel gear shaft, the transmission shaft 3 is inserted from the open side of the lower end of the connecting shaft 2, so that the protrusion 8 on the outer surface of the transmission shaft 3 is engaged with the groove 6 on the inner wall of the connecting shaft 2, and the threaded rod 10 is used to connect the transmission shaft 3 and the connecting shaft 2, thereby ensuring the synchronization of the movement of the transmission shaft 3 and the connecting shaft 2, improving the stability of the device, and connecting the transmission shaft 3 with the power source output end of the transmission so that the transmission shaft 3 rotates with the power source and transmits the force to the bevel gear part 1 through the connecting shaft 2, driving the bevel gear part 1 to rotate. The connecting shaft 2 and the bevel gear part 1 are connected by multiple annular reinforcing rods 4 to ensure the stability of the bevel gear part 1 during force transmission and avoid deformation of the bevel gear part 1 due to uneven force. The bevel gear part 1 is a hollow structure with one side open, which cooperates with the ventilation holes 5 set on the upper surface to increase the air circulation speed on the surface of the device, improve the heat dissipation efficiency of the device, and increase the overall practicality.

[0034] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A highly stable and anti-deformation transmission bevel gear shaft, comprising a bevel gear portion (1), the bevel gear portion (1) being a truncated cone structure, and a straight tooth block structure being provided on the outer surface of the bevel gear portion (1), a connecting shaft (2) being fixedly provided through the surface of the bevel gear portion (1), the connecting shaft (2) being a hollow cylindrical structure with an open lower surface, a transmission shaft (3) being installed inside the connecting shaft (2), the transmission shaft (3) being a round rod structure, and characterized in that: A reinforcement structure is provided on the surface of the bevel gear part (1), and the reinforcement structure realizes a stable connection between the bevel gear part (1) and the connecting shaft (2) while reducing the overall weight of the device.

2. The highly stable and deformation-resistant transmission bevel gear shaft according to claim 1, characterized in that: The reinforcing structure comprises a reinforcing rod (4), which is a long strip rod structure. One end of the reinforcing rod (4) is fixedly mounted on the outer surface of the connecting shaft (2), and the other end of the reinforcing rod (4) is fixedly connected to the hollow inner wall of the bevel gear part (1). The reinforcing rod (4) forms a triangular support between the outer surface of the connecting shaft (2) and the inner wall of the bevel gear part (1). The reinforcing rod (4) is provided with a plurality of annular shaped vents (5) on the outer surface of the connecting shaft (2). The upper surface of the bevel gear part (1) is provided with a plurality of annular shaped vents (5), and the vents (5) penetrate the upper surface of the bevel gear part (1).

3. The highly stable and deformation-resistant transmission bevel gear shaft according to claim 1, characterized in that: A snap-fit ​​structure is provided inside the connecting shaft (2), and the snap-fit ​​structure can maintain the stability of the connection process during the connection between the connecting shaft (2) and the transmission shaft (3).

4. The highly stable and deformation-resistant transmission bevel gear shaft according to claim 3, characterized in that: The engaging structure comprises a card slot (6), the cross section of the card slot (6) being trapezoidal, the card slot (6) being arranged on the inner wall of the connecting shaft (2), and one end of the card slot (6) passing through the lower end of the connecting shaft (2), a plurality of the card slots (6) being arranged in an annular shape on the inner wall of the connecting shaft (2), a protrusion (8) being mounted in engagement with the interior of the card slot (6), and the protrusion (8) being fixedly mounted on the outer surface of the transmission shaft (3).

5. The highly stable and deformation-resistant transmission bevel gear shaft according to claim 1, characterized in that: A connection structure is provided on the surface of the connecting shaft (2), and the connection structure can realize the connection and disassembly process between the connecting shaft (2) and the transmission shaft (3).

6. The highly stable and deformation-resistant transmission bevel gear shaft according to claim 5, characterized in that: The connection structure comprises a connection groove (7), wherein the connection groove (7) is arranged on the upper surface of the connection shaft (2), and a threaded connection hole is provided through the bottom surface of the connection groove (7), a threaded rod (10) is connected in the threaded hole of the connection groove (7), a cross-shaped groove is provided on one end surface of the threaded rod (10), and the other end of the threaded rod (10) is inserted into the interior of a mounting hole (9) provided on the upper surface of the transmission shaft (3), and the mounting hole (9) is a threaded hole structure.

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