Lower connector for assembling gearbox

Abstract

The utility model discloses a lower connector for assembling a gear box, which comprises a gear box body, the upper end of the gear box body is rotatably connected with an upper connector body, the lower end of the gear box body is rotatably connected with a lower connector body, the outer side of the lower connector body is provided with a protective box, and the protective box is provided with a protective cover. According to the lower connector for assembling the gear box, the two rotating wheels are rotated to drive the corresponding rotating rods to drive the transmission gears to rotate, then the racks move downwards, at the moment, through cooperation of the sliding blocks and the sliding grooves, the transmission gears are driven to rotate, and the transmission gears are driven to rotate. The connecting ring can conveniently move downwards on the outer side of the protection box, at the moment, through guiding cooperation of the telescopic rods and the springs, it can be guaranteed that the direction of the connecting ring is still not changed when the connecting ring leaves the outer side of the protection box, and through buffering cooperation of the springs, the connecting ring is prevented from moving downwards. The situation that the gap between the key and the key groove is too large or too small due to vibration in the operation process can be effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to gear box assembly field, especially a lower connector for gear box assembly. BACKGROUND

[0002] Among numerous mechanical transmission systems, the gear box plays a vital role, which can realize the effective transmission of power between different devices by changing parameters such as rotation speed and torque, and further guarantee the normal operation of the entire mechanical equipment. As a key component connecting the gear box and the device requiring transmission, the connection performance of the lower connector of the gear box directly affects the stability, reliability and transmission efficiency of the entire transmission system.

[0003] At present, the common connection mode between the lower connector of the gear box and the device requiring transmission mainly includes key connection. However, in the key connection mode, key grooves are machined on the shaft hole of the connector and the transmission shaft of the device cooperating therewith, and a flat key or spline is installed to transmit torque. However, in the actual assembly and use process, due to the machining precision error and the factors such as vibration, thermal expansion and cold contraction during the operation of the device, the gap between the key and the key groove is prone to be too large or too small. When the gap is too large, the connection will be loose, which will cause the slipping phenomenon during the transmission of torque, not only reducing the transmission efficiency, but also possibly causing abnormal wear of the connection part and shortening the service life of the component. When the gap is too small, the assembly difficulty is greatly increased, and even the key and the key groove may be damaged during forced assembly, which is also not conducive to long-term stable connection and transmission. In addition, the existing connector is often designed to focus on the torque transmission function and lacks consideration of sealing. For some mechanical equipment working in harsh environments, if the connection between the lower connector of the gear box and the transmission device cannot have good sealing performance, dust, moisture and other impurities will enter the connection part, which will cause corrosion. In order to solve the above problems, the utility model provides a lower connector for gear box assembly. CONTENT OF THE UTILITY MODEL

[0004] The main purpose of the utility model is to provide a lower connector for gear box assembly, which can effectively solve the problems in the background art.

[0005] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0006] The utility model provides a lower connector for gear box assembly, including the gear box body, the upper end of gear box body is rotatably connected with upper connector body, the lower end of gear box body is rotatably connected with lower connector body, the outside of lower connector body is provided with the protection box, the upper end of protection box is fixedly connected with the lower end of gear box body, the outside of protection box is slidably connected with the connecting ring, the lower end of connecting ring is provided with transmission device body, the upper end of transmission device body is rotatably connected with transmission joint, transmission joint is inserted in the lower end of lower connector body.

[0007] Preferably, the lower end of the lower connector body is provided with a socket, the upper end of the transmission joint is fixedly connected with a plug rod, the plug rod is arranged inside the socket, the outer side of the lower connector body is provided with three limiting grooves, the upper end of the transmission joint is fixedly connected with three limiting rods, and the three limiting rods are respectively inserted into the inner side of the corresponding limiting groove.

[0008] Preferably, the front and rear ends of the protection box are fixedly connected with U-shaped supports, the inner sides of the two U-shaped supports are rotatably connected with rotating rods, the ends of the two rotating rods close to each other are rotatably connected with the protection box, the ends of the two rotating rods away from each other are fixedly connected with rotating wheels, the outer sides of the rotating rods are fixedly connected with transmission gears, the outer sides of the transmission gears are engaged with racks, and the lower ends of the racks are fixedly connected with the connecting ring.

[0009] Preferably, the two sides of the protection box are provided with sliding grooves, the inner sides of the connecting ring are fixedly connected with two sliding blocks corresponding to the two sliding grooves, and the sliding blocks are slidably connected to the outer sides of the protection box through the sliding grooves.

[0010] Preferably, the front and rear ends of the protection box are fixedly connected with two connecting blocks, the lower ends of the connecting blocks are fixedly connected with telescopic rods, the lower ends of the telescopic rods are fixedly connected with the connecting ring, the outer sides of the telescopic rods are sleeved with springs, and the upper and lower ends of the springs are fixedly connected with the connecting blocks and the connecting ring respectively.

[0011] Preferably, the upper end of the transmission device body is provided with a circular hole at each of the four corners, the lower end of the connecting ring is threadedly connected with four locking bolts, the four locking bolts are respectively arranged inside the corresponding circular holes, and the outer sides of the four locking bolts are threadedly connected with locking nuts, and the locking bolts are fixedly connected with the transmission device body through the locking nuts.

[0012] Preferably, the outer side of the lower connector body is rotatably connected with a waterproof flange, the lower end of the waterproof flange is provided with a plurality of fixing bolts, and the waterproof flange is fixedly connected to the lower end of the gear box body through the plurality of fixing bolts.

[0013] Compared with the prior art, the utility model have following beneficial effect: this gear box is assembled with lower connector, through rotating two rotating wheels, corresponding rotating rod is driven to drive gear rotates, gear rotates and drives rack to move down, at this moment, through the cooperation of the sliding block and the sliding slot, the connecting ring can be conveniently moved down outside the protection box, at this moment, through the guiding cooperation of the telescopic rod and the spring, it can be guaranteed that the direction of the connecting ring will not change when it leaves the outside of the protection box, and through the buffering cooperation of the spring, it can effectively reduce the situation that the gap between the key and the keyway is too large or too small during operation, through the cooperation of the locking bolt and the locking nut, the connecting ring and the transmission device body can be conveniently fixed and connected together, and then the transmission device body and the gear box body are fixedly connected, so that the stability during transmission between the lower connector body and the transmission connector can be improved, at this moment, the waterproof flange is rotatably connected outside the lower connector body, dust and liquid can be effectively prevented from entering the inner cavity of the gear box body, corrosion of the elements inside the gear box body is avoided, and the stability of the gear box body during work is affected, and the effect of use is better than that of the traditional mode. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic diagram of the utility model a gear box is assembled with lower connector

[0015] Figure 2 It is a partial explosion structure schematic diagram of the utility model a gear box is assembled with lower connector Figure One ;

[0016] Figure 3 It is a partial structure sectional view of the utility model a gear box is assembled with lower connector

[0017] Figure 4 It is a partial explosion structure schematic diagram of the utility model a gear box is assembled with lower connector Figure Two ;

[0018] Figure 5 It is the enlarged structure schematic diagram of A of the utility model a gear box is assembled with lower connector

[0019] Figure 6 It is the enlarged structure schematic diagram of B of the utility model a gear box is assembled with lower connector

[0020] Figure 7 It is the enlarged structure schematic diagram of C of the utility model a gear box is assembled with lower connector.

[0021] In the diagram: 1. Gearbox body; 2. Upper connector body; 3. Lower connector body; 4. Protective box; 5. Insertion hole; 6. Limiting groove; 7. Insertion rod; 8. Limiting rod; 9. Transmission joint; 10. Transmission device body; 11. Connecting ring; 12. Slider; 13. Slide groove; 14. U-shaped bracket; 15. Rotating wheel; 16. Rotating rod; 17. Transmission gear; 18. Rack; 19. Connecting block; 20. Telescopic rod; 21. Spring; 22. Round hole; 23. Locking bolt; 24. Locking nut; 25. Waterproof flange; 26. Fixing bolt. Detailed Implementation

[0022] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0023] like Figures 1-7 As shown, a lower connector for gearbox assembly includes a gearbox body 1, an upper connector body 2 rotatably connected to the upper end of the gearbox body 1, a lower connector body 3 rotatably connected to the lower end of the gearbox body 1, a protective box 4 provided on the outer side of the lower connector body 3, the upper end of the protective box 4 being fixedly connected to the lower end of the gearbox body 1, a connecting ring 11 slidably connected to the outer side of the protective box 4, a transmission device body 10 provided at the lower end of the connecting ring 11, a transmission joint 9 rotatably connected to the upper end of the transmission device body 10, and the transmission joint 9 being inserted into the lower end of the lower connector body 3.

[0024] In this embodiment, the lower end of the lower connector body 3 is provided with a socket 5, the upper end of the transmission connector 9 is fixedly connected with a plug rod 7, the plug rod 7 is located inside the socket 5, the outer side of the lower connector body 3 is provided with three limiting grooves 6, the upper end of the transmission connector 9 is fixedly connected with three limiting rods 8, and the three limiting rods 8 are respectively inserted into the inner side of the corresponding limiting grooves 6.

[0025] Specifically, the insertion rod 7 at the upper end of the transmission connector 9 is inserted into the inner side of the lower connector body 3 through the insertion hole 5. By inserting the three limiting rods 8 into the corresponding limiting grooves 6, it can be ensured that the lower connector body 3 can stably drive the transmission connector 9 to rotate when rotating.

[0026] In the embodiment, the front and rear ends of the protection box 4 are fixedly connected with U-shaped supports 14, the inner sides of the two U-shaped supports 14 are rotationally connected with rotating rods 16, the ends of the two rotating rods 16 close to each other are rotationally connected with the protection box 4, the ends of the two rotating rods 16 away from each other are fixedly connected with rotating wheels 15, the outer sides of the rotating rods 16 are fixedly connected with transmission gears 17, the outer sides of the transmission gears 17 are engaged with racks 18, the lower ends of the racks 18 are fixedly connected with the connecting ring 11, and the two sides of the protection box 4 are provided with sliding grooves 13, the inner sides of the connecting ring 11 are fixedly connected with two sliding blocks 12 corresponding to the two sliding grooves 13, and the sliding blocks 12 are slidingly connected to the outer sides of the protection box 4 through the sliding grooves 13.

[0027] Specifically, by rotating the two rotating wheels 15 at the same time, the two rotating wheels 15 will drive the corresponding rotating rods 16 to rotate, the rotation of the rotating rods 16 will drive the transmission gears 17 to rotate, and the rotation of the transmission gears 17 will drive the racks 18 to move downward. At this time, by the cooperation of the sliding blocks 12 and the sliding grooves 13, the connecting ring 11 can be conveniently moved downward outside the protection box 4.

[0028] In the embodiment, the front and rear ends of the protection box 4 are fixedly connected with two connecting blocks 19, the lower ends of the connecting blocks 19 are fixedly connected with telescopic rods 20, the lower ends of the telescopic rods 20 are fixedly connected with the connecting ring 11, the outer sides of the telescopic rods 20 are sleeved with springs 21, and the upper and lower ends of the springs 21 are fixedly connected with the connecting blocks 19 and the connecting ring 11 respectively.

[0029] Specifically, by the guiding cooperation of the telescopic rods 20 and the springs 21, it can be ensured that the direction of the connecting ring 11 will not change when it moves away from the outer side of the protection box 4, and the lower end of the connecting ring 11 is fixedly connected with the protection box 4. By the buffering cooperation of the springs 21, it can effectively reduce the situation that the gap between the keys and the key grooves is too large or too small during operation.

[0030] In the embodiment, the upper ends of the four corners of the transmission device body 10 are provided with circular holes 22, the lower end of the connecting ring 11 is threadedly connected with four locking bolts 23, the four locking bolts 23 are arranged in the inner sides of the corresponding circular holes 22, the outer sides of the four locking bolts 23 are threadedly connected with locking nuts 24, and the locking bolts 23 are fixedly connected with the transmission device body 10 through the locking nuts 24.

[0031] Specifically, when the connecting ring 11 moves to the upper end of the transmission device body 10, the connecting ring 11 and the transmission device body 10 can be fixedly connected together through the cooperation of the locking bolts 23 and the locking nuts 24, and then the transmission device body 10 and the gear box body 1 are fixedly connected, so that the stability of the transmission between the lower connector body 3 and the transmission connector 9 can be improved.

[0032] In the embodiment, the waterproof flange 25 is rotatably connected to the outer side of the lower connector body 3, and the lower end of the waterproof flange 25 is provided with a plurality of fixing bolts 26, and the waterproof flange 25 is fixedly connected to the lower end of the gear box body 1 through the plurality of fixing bolts 26.

[0033] Specifically, the waterproof flange 25 is rotatably connected to the outer side of the lower connector body 3, which can effectively prevent dust and liquid from entering the inner cavity of the gear box body 1, and avoid the corrosion of the elements inside the gear box body 1 to affect the stability of the gear box body 1 in working hours.

[0034] It should be noted that the utility model discloses a lower connector for gear box assembly, and the user first inserts the insertion rod 7 at the upper end of the transmission connector 9 into the inside of the lower connector body 3 through the insertion hole 5, at this time, the three limiting rods 8 are inserted into the corresponding limiting grooves 6 respectively, so that the lower connector body 3 can stably drive the transmission connector 9 to rotate when rotating, at this time, the two rotating wheels 15 are rotated simultaneously, and the two rotating wheels 15 will drive the corresponding rotating rods 16 to rotate respectively, the rotating rods 16 are rotated to drive the transmission gear 17 to rotate, and the transmission gear 17 is rotated to drive the rack 18 to move downwards, at this time, through the cooperation of the sliding block 12 and the sliding groove 13, the connecting ring 11 can be conveniently moved downwards outside the protection box 4, at this time, through the guiding cooperation of the telescopic rod 20 and the spring 21, it can be guaranteed that the direction of the connecting ring 11 will not change when the connecting ring 11 leaves the outside of the protection box 4, and the connecting ring 11 is fixedly connected to the lower end of the protection box 4, when the connecting ring 11 moves to the upper end of the transmission device body 10, through the cooperation of the locking bolt 23 and the locking nut 24, the connecting ring 11 and the transmission device body 10 can be conveniently fixedly connected together, and then the transmission device body 10 is fixedly connected with the gear box body 1, so that the stability of the transmission between the lower connector body 3 and the transmission connector 9 can be improved, at this time, the waterproof flange 25 is rotatably connected to the outer side of the lower connector body 3, which can effectively prevent dust and liquid from entering the inner cavity of the gear box body 1, and avoid the corrosion of the elements inside the gear box body 1 to affect the stability of the gear box body 1 in working hours, and it is practical.

[0035] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A lower connection for gear box assembly, comprising a gear box body (1), characterized in that: The upper end of the gear box body (1) is rotatably connected with an upper connector body (2), the lower end of the gear box body (1) is rotatably connected with a lower connector body (3), the outer side of the lower connector body (3) is provided with a protective box (4), the upper end of the protective box (4) is fixedly connected with the lower end of the gear box body (1), the outer side of the protective box (4) is slidably connected with a connecting ring (11), the lower end of the connecting ring (11) is provided with a transmission device body (10), the upper end of the transmission device body (10) is rotatably connected with a transmission connector (9), and the transmission connector (9) is inserted into the lower end of the lower connector body (3).

2. A lower coupling for gear box assembly as claimed in claim 1, wherein: The lower end of the lower connector body (3) is provided with a insertion hole (5), the upper end of the transmission connector (9) is fixedly connected with an insertion rod (7), the insertion rod (7) is arranged in the insertion hole (5), and the outer side of the lower connector body (3) is provided with three limiting grooves (6).

3. A lower coupling for gear box assembly as claimed in claim 1, wherein: The front and rear ends of the protective box (4) are fixedly connected with U-shaped supports (14), the inner sides of the two U-shaped supports (14) are rotatably connected with rotating rods (16), the ends of the two rotating rods (16) close to each other are rotatably connected with the protective box (4), the ends of the two rotating rods (16) away from each other are fixedly connected with rotating wheels (15), the outer sides of the rotating rods (16) are fixedly connected with transmission gears (17), the outer sides of the transmission gears (17) are meshed with racks (18), and the lower ends of the racks (18) are fixedly connected with the connecting ring (11).

4. A lower coupling for gear box assembly as claimed in claim 1, wherein: Both sides of the protective box (4) are provided with sliding grooves (13), the inner sides of the connecting ring (11) are fixedly connected with two sliding blocks (12) corresponding to the two sliding grooves (13), and the sliding blocks (12) are slidably connected to the outer sides of the protective box (4) through the sliding grooves (13).

5. A lower coupling for gear box assembly as claimed in claim 1, wherein: The front and rear ends of the protective box (4) are fixedly connected with two connecting blocks (19), the lower ends of the connecting blocks (19) are fixedly connected with telescopic rods (20), the lower ends of the telescopic rods (20) are fixedly connected with the connecting ring (11), the outer sides of the telescopic rods (20) are sleeved with springs (21), and the upper and lower ends of the springs (21) are fixedly connected with the connecting blocks (19) and the connecting ring (11) respectively.

6. A lower coupling for gear box assembly as claimed in claim 1, wherein: The upper end of the transmission device body (10) is provided with a circular hole (22) at each corner, the lower end of the connecting ring (11) is threadedly connected with four locking bolts (23), the four locking bolts (23) are arranged in the corresponding circular holes (22) respectively, and the outer sides of the four locking bolts (23) are threadedly connected with locking nuts (24).

7. A lower coupling for gear box assembly as claimed in claim 1, wherein: The outer side of the lower connector body (3) is rotationally connected with a waterproof flange (25), the lower end of the waterproof flange (25) is provided with a plurality of fixing bolts (26), and the waterproof flange (25) is fixedly connected to the lower end of the gear box body (1) through the fixing bolts (26).

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