Waterproof oil tank cover with lock cylinder
By designing a waterproof system on the tractor oil tank cover, the rust problem caused by water erosion of the oil tank lock core is solved, and effective waterproofing effect is achieved in severe weather conditions.
Patent Information
- Application Number
- CN202422378705.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-29
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-09-29
AI Technical Summary
The fuel tank lock core of agricultural machinery such as tractors is susceptible to erosion by rainwater or snowwater, which leads to rust and normal use.
A lock core waterproof oil tank cover is designed, and a waterproof system is formed by installing components such as disassembly handles, lock head mounting blocks, handle side plates, waterproof cover plates, sealing rubber rings and lock bumps on the outer cover of the fuel tank.
Effectively prevent water droplets from entering the locking assembly, improve overall sealing, and ensure the waterproof effect of the fuel tank cover in bad weather conditions.
Smart Images

Figure CN223014361U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of tractor accessories, and more specifically, to a lock core waterproof fuel tank cap. Background Art
[0002] For agricultural machines such as tractors, it is highly likely that they need to carry out farming operations in special environments. To ensure stability during work and the ability of continuous endurance, the fuel tanks of such tractors and agricultural machines are generally arranged on the outside of the device. And the fuel tank often needs to be equipped with a fuel tank lock to prevent oil theft. However, because it is installed on the outside, rainwater and snow water will erode the lock core of the lock head, resulting in rust of the lock core and affecting the normal use of the lock head. Content of the Utility Model
[0003] The purpose of the utility model is to overcome the deficiencies of the above-mentioned traditional technologies and provide a lock core waterproof fuel tank cap that can effectively achieve waterproofing.
[0004] The purpose of the utility model is achieved by the following technical measures:
[0005] A lock core waterproof fuel tank cap, characterized in that: it includes a fuel tank outer cover, and a disassembly and assembly handle is connected to the upper surface of the fuel tank outer cover. The disassembly and assembly handle includes a lock head installation block, and the lock head installation block is fixedly connected to the upper surface of the fuel tank outer cover. Two handle side plates are fixedly connected to the side of the lock head installation block, and both of the two handle side plates are fixedly connected to the fuel tank outer cover. The lock head installation block is connected with a lock head assembly, and a waterproof assembly is rotatably connected to the two handle side plates.
[0006] As an improvement: rotating shaft holes are opened on both of the two handle side plates, and cover plate clamping grooves are opened on both of the two handle side plates. The cover plate clamping grooves are arranged opposite to the lock head installation block.
[0007] As an improvement: the waterproof assembly includes a waterproof cover plate. One end of the waterproof cover plate is respectively fixedly connected with a rotating shaft installation block on both sides. An opening and closing rotating shaft is fixedly connected between the two rotating shaft installation blocks. Both ends of the opening and closing rotating shaft penetrate through the rotating shaft installation blocks, and the opening and closing rotating shaft is rotatably connected with the rotating shaft holes.
[0008] As an improvement: an installation groove is opened on the lower surface of the waterproof cover plate. The installation groove is provided with an edge inclined from outside to inside. A sealing rubber ring is fixedly connected to the lower surface of the waterproof cover plate, and the sealing rubber ring is a rubber sealing rubber ring.
[0009] As an improvement: two locking protrusions are fixedly connected to the lower surface of the end of the waterproof cover plate far away from the rotating shaft installation block. The two locking protrusions are clamped with the edge of the lock head installation block.
[0010] As an improvement: A cover clamping plate is fixedly connected to both sides of the waterproof cover plate, and the cover clamping plate is clamped with the cover clamping groove.
[0011] As an improvement: The lock head assembly includes an installation boss, the installation boss is fixedly connected to the upper surface of the lock head installation block, the installation boss is provided with an edge inclined from the inside to the outside, and the installation boss is arranged in cooperation with the installation groove.
[0012] As an improvement: The installation boss is provided with an installation hole, and a fuel tank lock head is fixedly connected in the installation hole.
[0013] As an improvement: A sealing extension cylinder for extending into the inner cavity of the fuel tank is fixedly connected to the lower surface of the fuel tank outer cover, and a serrated structure is arranged on the side surface of the sealing extension cylinder.
[0014] Due to the adoption of the above technical solutions, compared with the prior art, the advantages of the present utility model are:
[0015] The cooperation connection can be realized through the arranged installation boss and installation groove. The arranged installation boss can make the overall height of the fuel tank lock head higher than that of the lock head installation block, so that even if there is water droplets on the lock head installation block, they will not flow into the fuel tank lock head. The arranged installation groove can better place the fuel tank lock head. The overall sealing performance of the lock head assembly can be improved through the arranged sealing rubber ring, so as to better achieve the waterproof effect. The arranged cover clamping plate can cooperate with the cover clamping groove to realize the position fixation of the waterproof cover plate. The position fixation of the waterproof cover plate can also be realized through the cooperation of the locking convex block and the edge of the lock head installation block, so as to ensure that the waterproof cover plate will not be actively opened without being actively opened by external force, and better improve the waterproof effect of the waterproof component in the working environment and special weather environment. Description of the Drawings
[0016] Figure 1 is the three-dimensional structure schematic diagram of the present utility model.
[0017] Figure 2 is the state structure schematic diagram of the waterproof component opened in the present utility model.
[0018] Figure 3 is Figure 2 the three-dimensional structure schematic diagram of the disassembly and assembly handle and the lock head assembly in
[0019] Figure 4 is Figure 2 the three-dimensional structure schematic diagram of the waterproof component in
[0020] In the figure: 1. Outer cover of fuel tank; 2. Sealing extension cylinder; 3. Disassembly and assembly handle; 31. Lock head mounting block; 32. Handle side plate; 33. Cover plate card slot; 34. Rotating shaft hole; 4. Lock head assembly; 41. Mounting boss; 42. Mounting hole; 43. Fuel tank lock head; 5. Waterproof assembly; 51. Waterproof cover plate; 52. Rotating shaft mounting block; 53. Opening and closing rotating shaft; 54. Mounting groove; 55. Sealing rubber ring; 56. Locking lug; 57. Cover plate clamping plate. Detailed implementation mode
[0021] Embodiment: As shown in the appendix Figures 1 to 4 A lock core waterproof fuel tank cover is shown, including an outer cover 1 of the fuel tank. A disassembly and assembly handle 3 is connected to the upper surface of the outer cover 1 of the fuel tank. The disassembly and assembly handle 3 includes a lock head mounting block 31, and the lock head mounting block 31 is fixedly connected to the upper surface of the outer cover 1 of the fuel tank. Two handle side plates 32 are fixedly connected to the side of the lock head mounting block 31, and both of the two handle side plates 32 are fixedly connected to the outer cover 1 of the fuel tank. The lock head mounting block 31 is connected to a lock head assembly 4, and a waterproof assembly 5 is rotatably connected to the two handle side plates. By providing the two handle side plates 32, it is convenient for manual operation, which can make the manual operation more convenient, and the provided handle side plates 32 can also facilitate the application of manual force.
[0022] Rotating shaft holes 34 are formed in both of the two handle side plates 32, and cover plate card slots 33 are formed in both of the two handle side plates 32. The cover plate card slots 33 are arranged opposite to the lock head mounting block 31. By providing the rotating shaft holes 34, it is convenient to connect the rotatable waterproof assembly 5.
[0023] The waterproof assembly 5 includes a waterproof cover plate 51. One end of the waterproof cover plate 51 is fixedly connected with a rotating shaft mounting block 52 on each side. An opening and closing rotating shaft 53 is fixedly connected between the two rotating shaft mounting blocks 52. Both ends of the opening and closing rotating shaft 53 penetrate through the rotating shaft mounting blocks 52, and the opening and closing rotating shaft 53 is rotatably connected with the rotating shaft hole 34. By providing the opening and closing rotating shaft 53, it is convenient to open and close the waterproof assembly 5, which is convenient for unlocking while ensuring the waterproof effect remains unchanged.
[0024] A mounting groove 54 is formed on the lower surface of the waterproof cover plate 51. The mounting groove 54 has an edge inclined from outside to inside. A sealing rubber ring 55 is fixedly connected to the lower surface of the waterproof cover plate 51, and the sealing rubber ring 55 is a rubber sealing rubber ring 55. By providing the sealing rubber ring, the overall sealing performance of the lock head assembly can be improved, so as to better achieve the waterproof effect.
[0025] At one end of the lower surface of the waterproof cover plate 51 away from the rotating shaft mounting block 52, two locking bumps 56 are fixedly connected to the lower surface. The two locking bumps 56 are clamped with the edge of the lock head mounting block 31. The position of the waterproof cover plate 51 can also be fixed through the cooperation between the locking bumps 41 and the edge of the lock head mounting block 31, so as to ensure that the waterproof cover plate 51 will not be actively opened without being affected by external forces, and better improve the waterproof effect of the waterproof component in the working environment and special weather environment.
[0026] One cover plate clamping plate 57 is fixedly connected to each side of the waterproof cover plate 51. The cover plate clamping plate 57 is clamped with the cover plate clamping groove 33. By arranging the cover plate clamping plate 57, it can cooperate with the cover plate clamping groove 33 to fix the position of the waterproof cover plate 51, so as to ensure that the waterproof cover plate 51 will not be actively opened without being affected by external forces, and better improve the waterproof effect of the waterproof component in the working environment and special weather environment.
[0027] The lock head assembly 4 includes a mounting boss 41. The mounting boss 41 is fixedly connected to the upper surface of the lock head mounting block 31. The mounting boss 41 is provided with an edge inclined from the inside to the outside. The mounting boss 41 is arranged in cooperation with the mounting groove 54. The cooperation connection can be realized through the arranged mounting boss 41 and mounting groove 54. The arranged mounting boss 41 can make the overall height of the fuel tank lock head 43 higher than that of the lock head mounting block 31. Even if there is water droplets on the lock head mounting block 31, it will not flow into the fuel tank lock head 43. The fuel tank lock head can be better placed through the arranged mounting groove 54.
[0028] The mounting boss 41 is provided with a mounting hole 42. The fuel tank lock head 43 is fixedly connected in the mounting hole 42. The arrangement of the mounting hole 42 can more conveniently install the fuel tank lock head 43 and is also convenient for replacing and maintaining the fuel tank lock head 43.
[0029] A sealing extension cylinder 2 for extending into the inner cavity of the fuel tank is fixedly connected to the lower surface of the fuel tank outer cover 1. The side surface of the sealing extension cylinder 2 is provided with a serrated structure. The sealing extension cylinder 2 is used to extend deep into the fuel tank. Through the arranged serrated structure, it can better perform interference fit with the tank wall at the fuel tank input, so as to ensure the sealing performance of the fuel tank.
Claims
1. A lock core waterproof fuel tank cover, characterized in that: The invention comprises an oil tank outer cover (1), wherein the upper surface of the oil tank outer cover (1) is connected to a disassembly handle (3), wherein the disassembly handle (3) comprises a lock mounting block (31), wherein the lock mounting block (31) is fixedly connected to the upper surface of the oil tank outer cover (1), wherein two handle side plates (32) are fixedly connected to the side of the lock mounting block (31), wherein the two handle side plates (32) are both fixedly connected to the oil tank outer cover (1), wherein the lock mounting block (31) is connected to a lock assembly (4), and wherein the two handle side plates are rotatably connected to a waterproof assembly (5).
2. The lock cylinder waterproof fuel tank cover according to claim 1, characterized in that: A rotating shaft hole (34) is provided on both handle side plates (32), and a cover plate slot (33) is provided on both handle side plates (32). The cover plate slot (33) is arranged opposite to the lock head mounting block (31).
3. The lock cylinder waterproof fuel tank cover according to claim 2, characterized in that: The waterproof component (5) comprises a waterproof cover plate (51), one end of the waterproof cover plate (51) is fixedly connected to both sides of a rotating shaft mounting block (52), an opening and closing rotating shaft (53) is fixedly connected between the two rotating shaft mounting blocks (52), both ends of the opening and closing rotating shaft (53) are arranged to pass through the rotating shaft mounting blocks (52), and the opening and closing rotating shaft (53) is rotatably connected to the rotating shaft hole (34).
4. The lock core waterproof fuel tank cover according to claim 3, characterized in that: The lower surface of the waterproof cover plate (51) is provided with a mounting groove (54), and the mounting groove (54) is provided with an edge inclined outwardly and inwardly. The lower surface of the waterproof cover plate (51) is fixedly connected with a sealing rubber ring (55), and the sealing rubber ring (55) is a rubber sealing rubber ring (55).
5. The lock core waterproof fuel tank cover according to claim 4, characterized in that: Two locking protrusions (56) are fixedly connected to the lower surface of one end of the lower surface of the waterproof cover plate (51) away from the rotating shaft mounting block (52), and the two locking protrusions (56) are clamped with the edge of the lock head mounting block (31).
6. The lock core waterproof fuel tank cover according to claim 4, characterized in that: A cover plate clamping plate (57) is fixedly connected to both sides of the waterproof cover plate (51), and the cover plate clamping plate (57) is clamped with the cover plate clamping groove (33).
7. The lock cylinder waterproof fuel tank cover according to claim 4, characterized in that: The lock assembly (4) comprises a mounting boss (41), the mounting boss (41) being fixedly connected to the upper surface of the lock mounting block (31), the mounting boss (41) being provided with an edge inclined from the inside to the outside, and the mounting boss (41) being arranged in cooperation with the mounting groove (54).
8. The lock cylinder waterproof fuel tank cover according to claim 7, characterized in that: The mounting boss (41) is provided with a mounting hole (42), and a fuel tank lock (43) is fixedly connected in the mounting hole (42).
9. The lock cylinder waterproof fuel tank cover according to claim 1, characterized in that: A sealing extension tube (2) for extending into the inner cavity of the oil tank is fixedly connected to the lower surface of the oil tank outer cover (1), and a serrated structure is provided on the side surface of the sealing extension tube (2).