Modular power take-off

Abstract

The utility model discloses a modularized power takeoff relates to power takeoff technical field, include: power takeoff body, transmission shaft and gear, extension board, protective cover and connecting rod, the inner wall of extension board is equipped with the inlay groove, the outer wall of connecting rod is installed with the assembling screw rod, the outer wall of assembling screw rod is installed with the assembling nut, the inner wall of protective cover is equipped with the mounting groove, the outer wall of protective cover is installed with the dust frame, the inner wall of dust frame is installed with the sealing ring, the outer wall of second magnet ring is installed with the sealing plate. The utility model discloses through being installed with the protection mechanism, installs the dust frame in the outside of protective cover, installs the sealing plate in the outside of dust frame, then installs the protective cover around in the outside of transmission shaft and gear, installs the protective cover in the outside of transmission shaft and gear and protects, if need using power takeoff body, then can pull the sealing plate, and sealing ring is used for shielding rainwater and dust.

Description

Technical Field

[0001] This utility model relates to the field of power take-off technology, specifically a modular power take-off. Background Technology

[0002] A power take-off (PTO) is a key mechanical or hydraulic power transmission device. Its core function is to extract power from the main power source of a vehicle or equipment (usually an engine or gearbox) and transmit it to additional auxiliary equipment or working devices, thereby expanding the equipment's functions and improving operational efficiency. It has wide application value in fields such as construction machinery, fire trucks, and special vehicles. Furthermore, PTOs are modular in design, have universal cylinders, can be matched with four-speed and five-speed gearboxes, and can achieve two output methods: flange and direct-drive pump.

[0003] Patent document CN223063100U discloses a power take-off (PTO), which "involves the technical field of PTO equipment, including an integral housing, an oil pump seat, and a cylinder body. The oil pump seat is bolted to the front of the integral housing, and a first sealing gasket is provided at the connection between the integral housing and the oil pump seat. The cylinder body is bolted to the top of the integral housing. This utility model integrates multiple key components such as the oil pump seat and the cylinder body together through the design of the integral housing, which is beneficial to improving compactness and overall strength. The first tapered roller bearing and the second tapered roller bearing are respectively installed at both ends of the active helical gear, which is beneficial to improving the radial positioning accuracy of the active helical gear, reducing gear ring runout and transmission noise, and improving the effect of bearing radial and axial loads. The setting of the helical gear can appropriately reduce the center distance while improving the load-bearing capacity, thereby ensuring the smoothness and accuracy of gear transmission."

[0004] However, one type of power take-off device in the aforementioned published documents mainly focuses on ensuring the smoothness and accuracy of gear transmission, which makes it inconvenient to protect the drive shaft and gears.

[0005] Therefore, it is necessary to develop a protective mechanism to protect the drive shaft and gears. Utility Model Content

[0006] The purpose of this utility model is to provide a modular power take-off (PTO) to solve the technical problem mentioned in the background art of enabling a modular PTO to have a protective function.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a modular power take-off (PTO), comprising: a PTO body, a drive shaft, and a gear, wherein the outer wall of the PTO body is provided with a protective mechanism for protecting the drive shaft and the gear;

[0008] The protective mechanism includes an extension plate, a protective cover, and a connecting rod. An extension plate is installed on the outer wall of the power take-off (PTO) body, and a protective cover is installed on the outer wall of the PTO body. The inner wall of the extension plate has a fitting groove. A connecting rod is installed on the outer wall of the protective cover. An assembly screw is installed on the outer wall of the connecting rod. An assembly nut is installed around the outer wall of the assembly screw. An installation groove is provided on the inner wall of the protective cover. A dustproof frame is installed on the outer wall of the dustproof frame. A sealing ring is installed on the inner wall of the dustproof frame. A first magnet ring is installed on the outer wall of the dustproof frame. A second magnet ring is installed on the outer wall of the first magnet ring. A sealing plate is installed on the outer wall of the second magnet ring. A disassembly screw groove is provided on the outer wall of the protective cover. A disassembly screw is installed on the outer wall of the dustproof frame.

[0009] Preferably, a drive shaft is embedded in the outer wall of the power take-off body, and a gear is embedded in the outer wall of the power take-off body.

[0010] Preferably, the inner wall of the dustproof frame is provided with a disassembly mechanism, which is used to facilitate the disassembly of the worn sealing ring and reduce replacement costs.

[0011] Preferably, the disassembly mechanism includes a replacement groove and a first plate. The inner wall of the dustproof frame is provided with a replacement groove, the top of the sealing ring is equipped with the first plate, and the outer wall of the first plate is equipped with a first Velcro fastener.

[0012] Preferably, a second hook and loop fastener is installed on the outer wall of the first hook and loop fastener, and a second plate is installed on the outer wall of the second hook and loop fastener.

[0013] Preferably, the inner wall of the dustproof frame is provided with an inspection groove, and a snap-fit ​​rod is installed at the bottom of the sealing ring.

[0014] Preferably, a snap-fit ​​sleeve is installed on the outer wall of the snap-fit ​​rod.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. This utility model protects the drive shaft and gears by installing a protective mechanism. An adjustable protective cover is designed to protect the drive shaft and gears on the power take-off body from external environmental corrosion, such as rainwater and dust. First, the dustproof frame is twisted to fix the disassembly screw into the disassembly screw groove, and the dustproof frame is installed on the outside of the protective cover. Then, the first and second magnet rings are attracted to each other, and the sealing plate is installed on the outside of the dustproof frame. Then, the protective cover is installed around the outside of the drive shaft and gears, and one end of the assembly screw passes through the inside of the fitting groove. Then, the assembly nut is fixed around the outside of the assembly screw, and the protective cover is installed on the outside of the drive shaft and gears for protection. When the power take-off body needs to be used, the sealing plate is pulled to remove the second magnet ring from the outside of the first magnet ring. The sealing ring is used to block rainwater and dust.

[0017] 2. This utility model features a disassembly mechanism that facilitates the removal of worn sealing rings, reducing replacement costs. Existing systems require replacing the entire dustproof frame when a sealing ring wears out, increasing replacement costs. Therefore, this design needs improvement. First, pull the snap-fit ​​sleeve out from the outside of the snap-fit ​​rod. Then, pull the second plate to remove the second Velcro from the top of the first Velcro. Finally, push the snap-fit ​​rod to remove the sealing ring from the inside of the replacement slot for disassembly. Installation is the reverse process. During installation, if the snap-fit ​​rod is located inside the inspection slot, it indicates that the sealing ring is in the correct position. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the power take-off body of this utility model;

[0019] Figure 2 This is a schematic diagram of the overall structure of the back of the power take-off body of this utility model;

[0020] Figure 3 This is a schematic diagram of the front structure of the power take-off body of this utility model;

[0021] Figure 4 This is a schematic diagram of the back structure of the power take-off body of this utility model;

[0022] Figure 5 This is a schematic diagram of the side structure of the power take-off body of this utility model;

[0023] Figure 6 This is a schematic diagram of the side structure of the protective cover of this utility model;

[0024] Figure 7 This is a schematic diagram of the side structure of the dustproof frame of this utility model;

[0025] Figure 8 This is a schematic diagram of the front structure of the first plate of this utility model.

[0026] In the diagram: 1. Power take-off body; 2. Drive shaft; 3. Gear; 4. Extension plate; 5. Fitting groove; 6. Protective cover; 7. Connecting rod; 8. Assembly screw; 9. Assembly nut; 10. Mounting slot; 11. Dustproof frame; 12. Sealing ring; 13. First magnet ring; 14. Second magnet ring; 15. Sealing plate; 16. Removal screw groove; 17. Removal screw; 18. Replacement slot; 19. First plate; 20. First Velcro; 21. Second Velcro; 22. Second plate; 23. Inspection slot; 24. Snap-fit ​​rod; 25. Snap-fit ​​sleeve. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0029] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0030] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 A modular power take-off (PTO) includes: a PTO body 1, a drive shaft 2, and a gear 3. The drive shaft 2 and the gear 3 are embedded in the outer wall of the PTO body 1. The PTO body 1 is a mechanical or hydraulic device that obtains power from the vehicle's main unit (such as an engine or transmission) and transmits it to auxiliary equipment or devices. The PTO body 1 is connected to the vehicle's main engine or transmission via the drive shaft 2. When it is necessary to drive the auxiliary equipment, the PTO body 1 is engaged with the transmission through a control device, and the power of the engine is transmitted to the PTO body 1. The gear 3 on the PTO body 1 then drives the auxiliary equipment to work.

[0031] Please see Figure 5 , Figure 6 and Figure 7The outer wall of the power take-off (PTO) body 1 is provided with a protective mechanism to protect the drive shaft 2 and gear 3. The protective mechanism includes an extension plate 4, a protective cover 6, and a connecting rod 7. The extension plate 4 and the protective cover 6 are installed on the outer wall of the PTO body 1. The inner wall of the extension plate 4 is provided with a fitting groove 5. The connecting rod 7 is installed on the outer wall of the protective cover 6. An assembly screw 8 is installed on the outer wall of the connecting rod 7. An assembly nut 9 is installed around the outer wall of the assembly screw 8. The inner wall of the protective cover 6 is provided with a mounting groove 10. A dustproof frame 11 is installed on the outer wall of the protective cover 6. A sealing ring 12 is installed on the inner wall of the dustproof frame 11. A first magnet ring 13 is installed on the outer wall of the dustproof frame 11. A second magnet ring 14 is installed on the outer wall of the first magnet ring 13. A sealing plate 15 is installed on the outer wall of the second magnet ring 14. The outer wall of the protective cover 6 is provided with a disassembly screw groove 16. A disassembly screw is installed on the outer wall of the dustproof frame 11. The rod 17 is designed with an adjustable protective cover 6 to protect the drive shaft 2 and gear 3 on the power take-off body 1 from external environmental corrosion, such as rainwater and dust. First, the dustproof frame 11 is twisted to fix the disassembly screw 17 into the disassembly screw groove 16, and the dustproof frame 11 is installed on the outside of the protective cover 6. Then, the first magnet ring 13 and the second magnet ring 14 are attracted to each other, and the sealing plate 15 is installed on the outside of the dustproof frame 11. Then, the protective cover 6 is installed around the outside of the drive shaft 2 and gear 3, and one end of the assembly screw 8 passes through the inside of the fitting groove 5. Then, the assembly nut 9 is fixed around the outside of the assembly screw 8, and the protective cover 6 is installed on the outside of the drive shaft 2 and gear 3 for protection. If the power take-off body 1 needs to be used, the sealing plate 15 is pulled to remove the second magnet ring 14 from the outside of the first magnet ring 13. The sealing ring 12 is used to block rainwater and dust.

[0032] Please see Figure 7 and Figure 8The inner wall of the dustproof frame 11 is provided with a disassembly mechanism for easy removal of the worn sealing ring 12, reducing replacement costs. The disassembly mechanism includes a replacement groove 18 and a first plate 19. The inner wall of the dustproof frame 11 is provided with a replacement groove 18, the top of the sealing ring 12 is fitted with the first plate 19, the outer wall of the first plate 19 is fitted with a first Velcro 20, the outer wall of the first Velcro 20 is fitted with a second Velcro 21, the outer wall of the second Velcro 21 is fitted with a second plate 22, the inner wall of the dustproof frame 11 is provided with an inspection groove 23, and the bottom of the sealing ring 12 is fitted with a snap-fit ​​rod 24. The outer wall of the snap-fit ​​rod 24 is fitted with a snap-fit ​​sleeve 25. When the existing sealing ring 12 wears out, the entire dustproof frame 11 needs to be replaced, which increases the replacement cost. Therefore, this needs to be improved. First, pull the snap-fit ​​sleeve 25 out of the outside of the snap-fit ​​rod 24. Then, pull the second plate 22 to move the second Velcro 21 out from the top of the first Velcro 20. Then, push the snap-fit ​​rod 24 to move the sealing ring 12 out from the inside of the replacement groove 18 for disassembly. The installation is done by reversing the operation. When installing, the snap-fit ​​rod 24 is located inside the inspection groove 23, which indicates that the sealing ring 12 is in the correct position.

[0033] Working principle: The power take-off (PTO) body 1 is a mechanical or hydraulic device that obtains power from the vehicle's main unit (such as an engine or transmission) and transmits it to auxiliary equipment or devices. The PTO body 1 is connected to the vehicle's main engine or transmission via a drive shaft 2. When it is necessary to drive the auxiliary equipment, the PTO body 1 is engaged with the transmission through a control device, transmitting the engine's power to the PTO body 1. The auxiliary equipment is then driven by the gears 3 on the PTO body 1. An adjustable protective cover 6 is designed to protect the drive shaft 2 and gears 3 on the PTO body 1 from external environmental corrosion, such as rainwater and dust. First, the dustproof frame 11 is twisted to fix the disassembly screw 17 into the disassembly screw groove 16, and the dustproof frame 11 is installed on the outside of the protective cover 6. Then, the first magnet ring 13 and the second magnet ring 14 are attracted, and the sealing plate 15 is installed on the outside of the dustproof frame 11. Finally, the protective cover 6 is installed around the drive shaft 2 and gears 3. The outer side of wheel 3, and one end of assembly screw 8 passes through the inside of fitting groove 5. Then assembly nut 9 is fixed around the outside of assembly screw 8. Then the protective cover 6 is installed on the outside of drive shaft 2 and gear 3 for protection. If the power take-off body 1 is needed, the sealing plate 15 is pulled so that the second magnet ring 14 is moved out of the outside of the first magnet ring 13. The sealing ring 12 is used to block rain and dust. When the existing sealing ring 12 is worn, the entire dustproof frame 11 needs to be replaced, which increases the replacement cost. Therefore, this needs to be improved. First, pull the snap sleeve 25 out of the outside of snap rod 24. Then pull the second plate 22 so that the second Velcro 21 is moved out of the top of the first Velcro 20. Then push the snap rod 24 so that the sealing ring 12 is moved out of the inside of replacement groove 18 for disassembly. The installation is done in reverse. When installing, the snap rod 24 is located inside the inspection groove 23, indicating that the position of the sealing ring 12 is correct.

[0034] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A modular power take-off (PTO), characterized in that, It includes: a power take-off body (1), a drive shaft (2) and a gear (3). The outer wall of the power take-off body (1) is provided with a protective mechanism, which is used to protect the drive shaft (2) and the gear (3). The protective mechanism includes an extension plate (4), a protective cover (6), and a connecting rod (7). The extension plate (4) is installed on the outer wall of the power take-off body (1), and the protective cover (6) is installed on the outer wall of the power take-off body (1). The inner wall of the extension plate (4) is provided with a fitting groove (5). The outer wall of the protective cover (6) is installed with a connecting rod (7). The outer wall of the connecting rod (7) is installed with an assembly screw (8). The outer wall of the assembly screw (8) is surrounded by an assembly nut (9). The inner wall of the protective cover (6) is provided with a mounting nut (9). The protective cover (6) is equipped with a groove (10), a dustproof frame (11) is installed on the outer wall of the protective cover (6), a sealing ring (12) is installed on the inner wall of the dustproof frame (11), a first magnet ring (13) is installed on the outer wall of the dustproof frame (11), a second magnet ring (14) is installed on the outer wall of the first magnet ring (13), a sealing plate (15) is installed on the outer wall of the second magnet ring (14), a disassembly screw groove (16) is provided on the outer wall of the protective cover (6), and a disassembly screw (17) is installed on the outer wall of the dustproof frame (11).

2. A modular power take-off unit according to claim 1, characterized in that: A drive shaft (2) is inlaid on the outer wall of the power take-off body (1), and a gear (3) is inlaid on the outer wall of the power take-off body (1).

3. A modular power take-off unit according to claim 1, characterized in that: The inner wall of the dustproof frame (11) is provided with a disassembly mechanism, which is used to facilitate the disassembly of the worn sealing ring (12) and reduce the replacement cost.

4. A modular power take-off unit according to claim 3, characterized in that: The disassembly mechanism includes a replacement groove (18) and a first plate (19). The inner wall of the dustproof frame (11) is provided with a replacement groove (18). The top of the sealing ring (12) is equipped with a first plate (19). The outer wall of the first plate (19) is equipped with a first Velcro (20).

5. A modular power take-off unit according to claim 4, characterized in that: The outer wall of the first Velcro (20) is fitted with a second Velcro (21), and the outer wall of the second Velcro (21) is fitted with a second plate (22).

6. A modular power take-off unit according to claim 1, characterized in that: The inner wall of the dustproof frame (11) is provided with an inspection groove (23), and the bottom of the sealing ring (12) is equipped with a snap-fit ​​rod (24).

7. A modular power take-off unit according to claim 6, characterized in that: The outer wall of the snap-fit ​​rod (24) is fitted with a snap-fit ​​sleeve (25).

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