Gear box convenient to disassemble and assemble
By designing fixed plates, fixed frames, square cylinders and other structures in the gear box, and using mechanical means such as pedals and limit blocks, the problem of inconvenience in disassembly and assembly of the gear box is solved, and the convenient disassembly and assembly of the gear box and the normal operation of the equipment are achieved.
Patent Information
- Application Number
- CN202421513787.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-06-28
AI Technical Summary
When disassembling, the gearbox is difficult to separate due to static friction, which leads to inconvenient disassembly.
A gear box structure including a fixing plate, a fixing frame, a square cylinder, a square rod, a moving plate, a slider, a gear, a telescopic rod, a second rack and a sealing groove is designed. The separation of the box cover is achieved by fitting between the pedal plate, a limiting block, an unlocking groove, a telescopic rod, a fixing cylinder, a spring, a second rack and a first rack and a gear.
Through this design, the gearbox can be easily separated when disassembled, and the normal operation of the equipment is ensured by spring reset after stopping operation.
Smart Images
Figure CN222633778U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of gear boxes, in particular to a gear box which is easy to assemble and disassemble. Background Art
[0002] A gearbox is a mechanical device used to transmit power and control the speed of rotation. It usually consists of a series of gears that mesh to transmit power. A gearbox can convert the rotational motion of the input shaft into the rotational motion of the output shaft while changing the speed and torque. This makes gearboxes widely used in various mechanical equipment, including automobiles, aircraft, industrial machinery, ships, etc. It acts like a transmission device to adjust the motion characteristics of a mechanical system, such as increasing torque, reducing speed or changing direction.
[0003] When the two parts of the gearbox housing are in close contact for a long time, the tiny bumps on their surfaces will embed into each other, forming a force called static friction, making it difficult to separate them when disassembling even without the restraint of bolts. In view of the above problems, the inventor proposes a gearbox that is easy to disassemble and assemble to solve the above problems. Utility Model Content
[0004] In order to solve the problem of inconvenient disassembly of a gear box, the utility model aims to provide a gear box that is easy to disassemble and assemble.
[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: a gear box that is easy to disassemble and assemble, comprising a box cover one and a box cover two, wherein one side of the top of the box cover one is fixedly connected to a fixing plate, and one side of the box cover two close to the fixing plate is fixedly connected to a fixing frame, a square tube is fixedly connected to the interior of the fixing frame, a square rod is slidably engaged with the interior of the square tube, a sliding groove is provided on one side of the square tube, a moving plate is slidably engaged with one side of the square tube, a first rack is fixedly connected to one side of the moving plate, a slider is fixedly connected to the side of the moving plate away from the first rack, the slider is slidably engaged in the sliding groove, and one side of the box cover two The side is rotatably connected with a gear, and a fixed cylinder is fixedly connected to a side of the fixed frame close to the gear, and a telescopic rod is slidably clamped inside the fixed cylinder, and a second rack is fixedly connected to one side of the telescopic rod, and the second rack and the slider are both meshed with the gear. A guide groove is provided on one side of the fixed cylinder, and the second rack is slidably clamped in the guide groove. A sealing groove is provided on the inner sides of the box cover one and the box cover two, and a sealing strip is placed inside the sealing groove. Connecting columns are fixedly connected at the four corners of the top end of the box cover two, and bolts are threadedly connected at the four corners of the top end of the box cover one, and the bottom ends of the bolts are threadedly connected to the connecting columns.
[0006] Preferably, both sides of the telescopic rod are provided with limiting grooves, both sides of the inner wall of the fixed cylinder are fixedly connected with limiting blocks, and the limiting blocks are slidably engaged in the limiting grooves.
[0007] Preferably, a spring is provided between the bottom end of the telescopic rod and the bottom end of the inner wall of the fixing tube.
[0008] Preferably, an unlocking slot is provided on one side of the fixing frame, one end of the telescopic rod is fixedly connected to a connecting rod, the connecting rod is slidably engaged in the unlocking slot, and one end of the connecting rod away from the telescopic rod is fixedly connected to a pedal.
[0009] Compared with the prior art, the beneficial effects of the utility model are:
[0010] By stepping on the pedal, the limit block, the unlocking slot, the telescopic rod, the fixed cylinder, the spring, the second rack and the first rack and the gear, the movable plate is driven to move upward while stepping on the pedal, and the connecting action of the slider is used to drive the square rod to move vertically at the same time, pushing the fixed plate to move upward, thereby separating the box cover one and the box cover two. After stopping stepping on the pedal, the elastic force of the spring can be used to reset the telescopic rod to ensure the normal operation of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0013] Figure 2 It is a schematic diagram of the overall split structure of the utility model.
[0014] Figure 3 It is a schematic diagram of the local structure of the utility model.
[0015] Figure 4 For this utility model Figure 3 Enlarged view of point A in the middle.
[0016] Figure 5 It is a partial cross-sectional view of the utility model.
[0017] In the figure: 1. box cover one; 2. box cover two; 3. fixed plate; 4. fixed frame; 5. square tube; 6. square rod; 7. movable plate; 8. first rack; 9. slide groove; 10. slider; 11. gear; 12. fixed tube; 13. telescopic rod; 14. second rack; 15. guide groove; 16. limit groove; 17. limit block; 18. connecting rod; 19. spring; 20. unlocking groove; 21. pedal; 22. sealing groove; 23. sealing strip; 24. connecting column; 25. bolt. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0019] Example: Figure 1-5 As shown, the utility model provides a gear box that is easy to disassemble and assemble, including a box cover 1 and a box cover 2, one side of the top of the box cover 1 is fixedly connected with a fixing plate 3, the side of the box cover 2 2 close to the fixing plate 3 is fixedly connected with a fixing frame 4, the interior of the fixing frame 4 is fixedly connected with a square tube 5, the interior of the square tube 5 is slidably connected with a square rod 6, a sliding groove 9 is provided on one side of the square tube 5, a moving plate 7 is slidably connected with one side of the square tube 5, a first rack 8 is fixedly connected to one side of the moving plate 7, and the moving plate 7 is away from the first rack. A slider 10 is fixedly connected to one side of the strip 8, and the slider 10 is slidably engaged in the slide groove 9. A gear 11 is rotatably connected to one side of the box cover 2. A fixed cylinder 12 is fixedly connected to the side of the fixed frame 4 close to the gear 11. A telescopic rod 13 is slidably engaged inside the fixed cylinder 12. A second rack 14 is fixedly connected to one side of the telescopic rod 13. Both the second rack 14 and the slider 10 are meshed with the gear 11. A guide groove 15 is provided on one side of the fixed cylinder 12, and the second rack 14 is slidably engaged in the guide groove 15.
[0020] Limiting grooves 16 are provided on both sides of the telescopic rod 13 , and limiting blocks 17 are fixedly connected to both sides of the inner wall of the fixed tube 12 . The limiting blocks 17 are slidably engaged in the limiting grooves 16 .
[0021] By adopting the above technical solution, through the cooperation between the limit block 17 and the limit groove 16, the limit block 17 can slide vertically along the inside of the limit groove 16 while limiting the movement of the limit block 17 to prevent the telescopic rod 13 from popping out from the inside of the fixed tube 12.
[0022] A spring 19 is provided between the bottom end of the telescopic rod 13 and the bottom end of the inner wall of the fixing tube 12 .
[0023] By adopting the above technical solution and providing the spring 19 , the telescopic rod 13 can be easily reset.
[0024] An unlocking slot 20 is provided on one side of the fixing frame 4 , one end of the telescopic rod 13 is fixedly connected to a connecting rod 18 , the connecting rod 18 is slidably engaged in the unlocking slot 20 , and one end of the connecting rod 18 away from the telescopic rod 13 is fixedly connected to a pedal 21 .
[0025] By adopting the above technical solution, the pedal 21 is stepped on to move downward, and at the same time, the limit block 17 is driven to move downward along the inside of the unlocking groove 20, and finally the square rod 6 is driven to move upward through a series of linkages.
[0026] The inner sides of the box cover 1 and the box cover 2 are both provided with sealing grooves 22 , and sealing strips 23 are placed inside the sealing grooves 22 .
[0027] By adopting the above technical solution and arranging a sealing strip 23 inside the sealing groove 22, the sealing performance when the box cover 1 and the box cover 2 2 are connected is further improved.
[0028] The four corners of the top of the box cover 2 are fixedly connected with connecting columns 24, and the four corners of the top of the box cover 1 are threadedly connected with bolts 25, and the bottom ends of the bolts 25 are threadedly connected to the connecting columns 24.
[0029] By adopting the above technical solution, by tightening the bolt 25 inside the connecting column 24, the relative positions of the box cover 1 and the box cover 2 2 can be conveniently fixed.
[0030] Working principle: When disassembling the gear box, the pedal 21 is stepped on to move downward, driving the limit block 17 to move downward along the inside of the unlocking groove 20, and at the same time driving the telescopic rod 13 to move downward along the inner wall of the fixed tube 12, and compressing the spring 19, and utilizing the second rack 14 to engage with the first rack 8 and the gear 11, while driving the movable plate 7 to move upward, and utilizing the connecting effect of the slider 10 to drive the square rod 6 to move vertically, pushing the fixed plate 3 to move upward, thereby separating the box cover 1 and the box cover 2 2. After stopping stepping on the pedal, the telescopic rod 13 can be reset by the elastic force of the spring 19, thereby ensuring the normal operation of the equipment.
[0031] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.
Claims
1. A gear box that is easy to disassemble and assemble, comprising a box cover 1 (1) and a box cover 2 (2), characterized in that: A fixing plate (3) is fixedly connected to one side of the top of the box cover 1 (1); a fixing frame (4) is fixedly connected to one side of the box cover 2 (2) close to the fixing plate (3); a square tube (5) is fixedly connected to the inside of the fixing frame (4); a square rod (6) is slidably connected to the inside of the square tube (5); a sliding groove (9) is provided on one side of the square tube (5); a moving plate (7) is slidably connected to one side of the square tube (5); a first rack (8) is fixedly connected to one side of the moving plate (7); a sliding block (10) is fixedly connected to the side of the moving plate (7) away from the first rack (8); The slider (10) is slidably engaged in the slide groove (9); one side of the box cover (2) is rotatably connected to a gear (11); a fixed cylinder (12) is fixedly connected to the inner side of the fixed frame (4) near the gear (11); a telescopic rod (13) is slidably engaged in the inner side of the fixed cylinder (12); a second rack (14) is fixedly connected to one side of the telescopic rod (13); the second rack (14) and the slider (10) are both meshed and connected to the gear (11); a guide groove (15) is provided on one side of the fixed cylinder (12); the second rack (14) is slidably engaged in the guide groove (15).
2. A gear box that is easy to disassemble and assemble as claimed in claim 1, characterized in that: Limiting grooves (16) are provided on both sides of the telescopic rod (13), and limiting blocks (17) are fixedly connected to both sides of the inner wall of the fixed cylinder (12), and the limiting blocks (17) are slidably engaged in the limiting grooves (16).
3. A gear box that is easy to disassemble and assemble as claimed in claim 1, characterized in that: A spring (19) is provided between the bottom end of the telescopic rod (13) and the bottom end of the inner wall of the fixing tube (12).
4. The gear box that is easy to disassemble and assemble as claimed in claim 1, characterized in that: An unlocking slot (20) is provided on one side of the fixed frame (4); one end of the telescopic rod (13) is fixedly connected to a connecting rod (18); the connecting rod (18) is slidably engaged in the unlocking slot (20); and one end of the connecting rod (18) away from the telescopic rod (13) is fixedly connected to a pedal (21).
5. The gear box that is easy to disassemble and assemble as claimed in claim 1, characterized in that: The inner sides of the box cover 1 (1) and the box cover 2 (2) are both provided with sealing grooves (22), and sealing strips (23) are placed inside the sealing grooves (22).
6. The gear box that is easy to disassemble and assemble as claimed in claim 1, characterized in that: The top four corners of the second box cover (2) are fixedly connected with connecting columns (24), and the top four corners of the first box cover (1) are threadedly connected with bolts (25), and the bottom ends of the bolts (25) are threadedly connected to the connecting columns (24).