Oil tank cleaning cover structure convenient to disassemble and assemble

By designing a combination structure of mounting ring and mounting block on the fuel tank, the problem of cumbersome disassembly and assembly of existing fuel tank cleaning covers is solved, enabling quick disassembly and assembly and enhancing sealing performance, thereby improving the convenience and stability of fuel tank cleaning.

CN223949779UActive Publication Date: 2026-02-27WENZHOU XIUCUN HYDRAULIC MASCH CO LTD
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Patent Information

Application Number
CN202520121805.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2026-02-27
Estimated Expiration
2035-01-20

AI Technical Summary

Technical Problem

The existing fuel tank cleaning cover is fixed with bolts, which makes disassembly and assembly cumbersome and inconvenient for fuel tank cleaning.

Method used

A tank cleaning cover structure that is easy to install and remove is designed. It adopts a combination of mounting ring and mounting block. The quick installation and removal of the cleaning cover is achieved by matching the mounting block with the mounting notch. The sealing performance and stability are improved by sealing gasket and limiting structure.

Benefits of technology

The system enables quick installation and removal of the cleaning cover, improving the convenience of cleaning the fuel tank and enhancing its sealing and stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The oil tank cleaning cover structure convenient to disassemble and assemble comprises an oil tank and a cleaning cover, a cleaning opening is formed in the oil tank, the oil tank is fixedly connected with an installation ring which surrounds the cleaning opening, the inner diameter of the installation ring is consistent with the outer diameter of the cleaning cover, and an annular installation gap is formed between the installation ring and the outer wall of the oil tank. A plurality of fan-shaped mounting blocks with the thickness consistent with the height of the mounting gap are formed on the peripheral side surface of the cleaning cover, the plurality of connecting rings are annularly arrayed along the center of the cleaning cover, and a plurality of mounting notches which are in one-to-one correspondence with the mounting blocks and are matched with the mounting blocks are formed in the mounting rings. According to the oil tank cleaning cover structure convenient to disassemble and assemble, the cleaning cover can be conveniently disassembled and assembled, and therefore the oil tank can be conveniently cleaned.
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Description

TECHNICAL FIELD

[0001] The utility model relates to an oil tank cleaning cover, especially an oil tank cleaning cover structure convenient to disassemble and assemble. BACKGROUND

[0002] In order to facilitate the cleaning of the oil tank, a cleaning port is formed on the side wall of the oil tank, and the cleaning port is closed by a cleaning cover fixedly connected to the oil tank to ensure the sealing performance of the oil tank during operation. The existing oil tank cleaning cover structure has the cleaning cover fixedly connected to the oil tank by a plurality of bolts. When the cleaning cover is disassembled and assembled for cleaning the oil tank, a plurality of bolts need to be disassembled and assembled, which is inconvenient and cumbersome.

[0003] In view of the above problems, the utility model is improved. UTILITY MODEL CONTENTS

[0004] The utility model provides an oil tank cleaning cover structure convenient to disassemble and assemble, which solves the above problems existing in the prior art during use.

[0005] The technical scheme of the utility model is as follows:

[0006] An oil tank cleaning cover structure convenient to disassemble and assemble comprises an oil tank and a cleaning cover, the oil tank is provided with a cleaning port, and the oil tank is characterized in that: a mounting ring that surrounds the cleaning port and has an inner diameter consistent with the outer diameter of the cleaning cover is fixedly connected to the oil tank, a circular mounting gap is formed between the mounting ring and the outer wall of the oil tank, a plurality of mounting blocks in the shape of a fan ring and having a thickness consistent with the height of the mounting gap are formed on the outer circumferential side surface of the cleaning cover, the plurality of mounting blocks are arranged in a circular array around the center of the cleaning cover, and a plurality of mounting notches corresponding to the mounting blocks and matched with the mounting blocks are formed in the mounting ring.

[0007] Preferably, a connecting ring is formed on the outer circumferential surface of the mounting ring, a plurality of connecting bolts are arranged to pass through the connecting ring upwards, and a connecting nut abutting against the connecting ring is screwed on the part of the connecting bolt passing through the connecting ring.

[0008] Preferably, a sealing edge is formed by bending the edge of the cleaning port upwards, a sealing ring groove matched with the sealing edge is formed on the lower surface of the cleaning cover, and a first sealing gasket is arranged on the groove bottom of the sealing ring groove.

[0009] Preferably, a second sealing gasket is arranged on the inner wall of the oil tank, and the connecting bolt presses the second sealing gasket against the inner wall of the oil tank.

[0010] Preferably, a plurality of limiting grooves corresponding to the plurality of mounting blocks and matched with the mounting blocks are formed in the lower surface of the mounting ring.

[0011] Preferably, a limiting cylinder is fixedly connected to the upper surface of the mounting ring, a sliding cavity penetrating through the mounting ring downward is formed in the limiting cylinder, a sliding slot in communication with the sliding cavity is formed in the side wall of the limiting cylinder, a limiting column is arranged in the sliding cavity, a push rod penetrating through the sliding slot outward is fixedly connected to the side surface of the limiting column, a spring is arranged between the upper end of the limiting column and the top wall of the sliding cavity, and a limiting hole matched with the limiting column is formed in the mounting block.

[0012] Preferably, a recess is formed in the middle of the cleaning cover by being concave downward, and a handle is formed in the cleaning cover and located in the recess.

[0013] Preferably, a plurality of reinforcing ribs are formed in the lower surface of the cleaning cover and arranged in a circular array around the center of the cleaning cover.

[0014] In conclusion, when the cleaning cover is installed, the mounting block is aligned with the installation gap and then the cleaning cover is rotated after penetrating through the installation gap, so that the installation of the cleaning cover is realized; when the cleaning cover is disassembled, the mounting block is aligned with the installation gap by rotating the cleaning cover, so that the disassembly of the cleaning cover is realized, and the cleaning cover is very convenient to disassemble and assemble, thereby facilitating the cleaning operation of the oil tank. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0016] Figure 1 It is a structural schematic diagram of the present application;

[0017] Figure 2 It is a sectional view schematic diagram of the present application;

[0018] Figure 3 It is Figure 2 It is an enlarged schematic diagram of A in the middle;

[0019] Figure 4 It is an exploded schematic diagram of the present application;

[0020] Figure 5 It is a structural schematic diagram of the cleaning cover in the present application;

[0021] Figure 6 It is a structural schematic diagram of the mounting ring in the present application.

[0022] In the figure: 1, oil tank; 11, cleaning port; 12, sealing edge; 13, connecting bolt; 14, connecting nut; 15, second sealing washer; 2, cleaning cover; 21, mounting block; 211, limiting hole; 22, sealing ring groove; 23, first sealing washer; 24, groove; 25, handle; 26, reinforcing rib; 3, mounting ring; 31, mounting notch; 32, connecting ring; 33, limiting groove; 34, limiting cylinder; 35, sliding cavity; 36, sliding groove; 37, limiting column; 371, lever; 38, spring; 4, mounting gap. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Figures 1-6 It is apparent that the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0024] As shown in the figure, an oil tank 1 cleaning cover 2 structure convenient to disassemble, comprising an oil tank 1 and a cleaning cover 2, the oil tank 1 is provided with a cleaning port 11, characterized in that: the oil tank 1 is fixedly connected with a mounting ring 3 surrounding the cleaning port 11 and having an inner diameter consistent with the outer diameter of the cleaning cover 2, the mounting ring 3 and the outer wall of the oil tank 1 form a circular annular mounting gap 4, the outer circumferential side of the cleaning cover 2 is formed with a plurality of fan ring-shaped mounting blocks 21 having a thickness consistent with the height of the mounting gap 4, a plurality of the mounting blocks 21 are arranged along the center of the cleaning cover 2, the mounting ring 3 is provided with a plurality of mounting notches 31 corresponding to the mounting blocks 21 and matching the mounting blocks 21.

[0025] Specifically, the mounting ring 3 is fixedly connected to the structure on the oil tank 1: the outer circumferential surface of the mounting ring 3 is formed with a connecting ring 32, the oil tank 1 is provided with a plurality of connecting bolts 13 upwardly penetrating the connecting ring 32, the part of the connecting bolt 13 penetrating the connecting ring 32 is screwed with a connecting nut 14 abutting against the connecting ring 32, through the above structure, the mounting ring 3 is convenient to disassemble, which facilitates the operation during assembly and maintenance.

[0026] Specifically, in order to enhance the sealing performance of the cleaning port 11: the edge of the cleaning port 11 is upwardly bent to form a sealing edge 12, the lower surface of the cleaning cover 2 is formed with a sealing ring groove 22 matching the sealing edge 12, and the bottom of the sealing ring groove 22 is provided with a first sealing washer 23.

[0027] Specifically, in order to strengthen the sealing between the connecting ring 32 and the oil tank 1, a second sealing washer 15 is arranged on the inner wall of the oil tank 1, and the connecting bolt 13 passes through the second sealing washer 15 to press the second sealing washer 15 against the inner wall of the oil tank 1.

[0028] In the above structure, when the cleaning cover 2 is fixedly installed on the oil tank 1 to cover the cleaning port 11, the installation blocks 21 are inserted into the installation gaps 4 after being aligned with the installation notches 31 one by one, and the cleaning cover 2 is clamped into the installation ring 3 to cover the cleaning port 11, and then the cleaning cover 2 is rotated to drive the installation blocks 21 to rotate in the installation gaps 4, so that the installation blocks 21 are moved away from the positions aligned with the installation notches 31 and are located below the installation ring 3. The installation ring 3 limits the installation blocks 21 in the longitudinal direction and limits the cleaning cover 2 in the longitudinal direction, so that the cleaning cover 2 remains in the installation ring 3 to cover the cleaning port 11, and the installation of the cleaning cover 2 is realized. When the cleaning cover 2 is removed from the oil tank 1 to open the cleaning port 11, the cleaning cover 2 is rotated to drive the installation blocks 21 to rotate in the installation gaps 4, so that the installation blocks 21 are moved to the positions aligned with the installation notches 31, and then the cleaning cover 2 is pulled outward, so that the cleaning cover 2 is moved away from the installation ring 3 and the installation blocks 21 pass through the installation notches 31, and the disassembly of the cleaning cover 2 is realized. The above structure and mode make the cleaning cover 2 very convenient and fast to be assembled and disassembled, and the oil tank 1 is convenient to be cleaned. By arranging the first sealing washer 23, when the cleaning cover 2 is installed on the oil tank 1, the sealing edge 12 is inserted into the sealing ring groove 22 and tightly abuts against the first sealing washer 23, so that the sealing between the cleaning cover 2 and the oil tank 1 is strengthened. In addition, the restoring force generated by the first sealing washer 23 under the extrusion makes the cleaning cover 2 have a movement tendency of moving away from the oil tank 1, so that the installation blocks 21 tightly abut against the lower surface of the installation ring 3 to increase the friction therebetween, and the stability of the cleaning cover 2 installed on the oil tank 1 is strengthened in cooperation with the friction generated by the sealing edge 12 tightly abutting against the first sealing washer.

[0029] In addition, a plurality of limiting grooves 33 corresponding to and matching the installation blocks 21 are arranged on the lower surface of the installation ring 3. Through the above structure, when the installation blocks 21 are moved below the installation ring 3 with the cleaning cover 2 being rotated to move away from the positions aligned with the installation notches 31, the cleaning cover 2 drives the installation blocks 21 to slightly move upward under the action of the restoring force of the first sealing washer 23, so that the installation blocks 21 are clamped into the limiting grooves 33. The limiting grooves 33 limit the installation blocks 21 in the rotating direction and limit the cleaning cover 2 in the rotating direction, so that the stability of the cleaning cover 2 installed on the oil tank 1 is strengthened. When the cleaning cover 2 needs to be disassembled, the cleaning cover 2 is pressed downward to drive the installation blocks 21 to move away from the limiting grooves 33, and then the cleaning cover 2 can be rotated to be disassembled. The operation is also very convenient. In addition, the limiting of the installation blocks 21 by the limiting grooves 33 plays a positioning role in the rotation of the cleaning cover 2 during the installation of the cleaning cover 2, and the operation of the cleaning cover 2 during the installation is facilitated.

[0030] In addition, the upper surface of the mounting ring 3 is fixedly connected with a limiting cylinder 34, the limiting cylinder 34 has a sliding cavity 35 penetrating through the mounting ring 3 downwards, the port of the sliding cavity 35 is located in the limiting groove 33, the side wall of the limiting cylinder 34 is provided with a sliding groove 36 communicating with the sliding cavity 35, the limiting cylinder 37 is arranged in the sliding cavity 35, the side of the limiting cylinder 37 is fixedly connected with a push rod 371 penetrating through the sliding groove 36 outwards, the upper end of the limiting cylinder 37 is provided with a spring 38 between the top wall of the sliding cavity 35, the mounting block 21 is provided with a limiting hole 211 matched with the limiting cylinder 37, through the above structure, in the process that the mounting block 21 is clamped into the limiting groove 33 after rotating away from the position aligned with the mounting notch 31 together with the cleaning cover 2, the limiting cylinder is pushed upwards by the push rod 371 and the spring 38 is compressed, so that the lower end of the limiting cylinder is away from the limiting groove 33, after the mounting block 21 is clamped into the limiting groove 33, the push rod 371 is loosened, the limiting cylinder is slid downwards under the restoring force of the spring 38, so that the lower end of the limiting cylinder penetrates into the limiting groove 33 and is inserted into the limiting hole 211, the limiting cylinder and the limiting hole 211 are matched to limit the mounting block 21 and the cleaning cover 2 in the rotating direction, so that the stability of the cleaning cover 2 mounted on the oil tank 1 is strengthened, when the cleaning cover 2 needs to be disassembled, the lower end of the limiting cylinder is away from the limiting groove 33 by pushing the limiting cylinder upwards, the cleaning cover 2 can be pressed and rotated to be disassembled, and the operation is also very convenient.

[0031] In addition, the middle part of the cleaning cover 2 is recessed downwards to form a recess 24, the cleaning cover 2 is provided with a handle 25 located in the recess 24, the handle 25 can be held by inserting the hand into the recess 24, so that the operation of rotating the cleaning cover 2 is more convenient, and the disassembly and assembly of the cleaning cover 2 is convenient.

[0032] In addition, the lower surface of the cleaning cover 2 is provided with a plurality of reinforcing ribs 26 arranged in a ring shape along the center of the cleaning cover 2, so that the overall strength of the cleaning cover 2 is strengthened, and the durability of the cleaning cover 2 during repeated disassembly and assembly is ensured.

[0033] The above only describes the preferred embodiments of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A structure of a cleaning cover of an oil tank facilitating disassembly and assembly, comprising an oil tank (1) and a cleaning cover (2), a cleaning port (11) being formed on the oil tank (1), characterized in that: The oil tank (1) is fixedly connected with a mounting ring (3) surrounding the cleaning port (11) and having an inner diameter consistent with the outer diameter of the cleaning cover (2), a circular mounting gap (4) is formed between the mounting ring (3) and the outer wall of the oil tank (1), a plurality of mounting blocks (21) are formed on the outer circumferential side of the cleaning cover (2) and have a thickness consistent with the height of the mounting gap (4), the mounting blocks (21) are arranged in a circular array around the center of the cleaning cover (2), and a plurality of mounting notches (31) are formed in the mounting ring (3) and correspond to the mounting blocks (21) and match the mounting blocks (21).

2. The oil tank washing cap structure according to claim 1, wherein: A connecting ring (32) is formed on the outer circumferential surface of the mounting ring (3), a plurality of connecting bolts (13) are provided on the oil tank (1) and pass through the connecting ring (32) upwards, and a connecting nut (14) is screwed on the part of the connecting bolt (13) passing through the connecting ring (32) and abuts against the connecting ring (32).

3. The oil tank washing cap structure according to claim 2, characterized in that: A sealing edge (12) is formed by bending the edge of the cleaning port (11) upwards, a sealing ring groove (22) is formed on the lower surface of the cleaning cover (2) and matches the sealing edge (12), and a first sealing gasket (23) is arranged on the groove bottom of the sealing ring groove (22).

4. The oil tank washing cap structure according to claim 3, characterized in that: A second sealing gasket (15) is arranged on the inner wall of the oil tank (1), and the connecting bolt (13) passes through the second sealing gasket (15) to press the second sealing gasket against the inner wall of the oil tank (1).

5. The drainable oil filter cover structure of claim 4, wherein: A plurality of limiting grooves (33) are formed in the lower surface of the mounting ring (3) and correspond to the mounting blocks (21) and match the mounting blocks (21).

6. The oil tank washing cap structure easy to assemble and disassemble according to claim 5, characterized in that: A limiting cylinder (34) is fixedly connected to the upper surface of the mounting ring (3), the limiting cylinder (34) has a sliding cavity (35) passing through the mounting ring (3) downwards, the port of the sliding cavity (35) is located in the limiting groove (33), a sliding groove (36) is formed in the side wall of the limiting cylinder (34) and communicates with the sliding cavity (35), a limiting column (37) is arranged in the sliding cavity (35), a push rod (371) is fixedly connected to the side surface of the limiting column (37) and passes through the sliding groove (36) outward, a spring (38) is arranged between the upper end of the limiting column (37) and the top wall of the sliding cavity (35), and a limiting hole (211) is formed in the mounting block (21) and matches the limiting column (37).

7. The drainable oil filter cover structure of claim 6, wherein: A recess (24) is formed in the middle of the cleaning cover (2) and recesses downwards, and a handle (25) is formed on the cleaning cover (2) and located in the recess (24).

8. The drainable oil filter cover structure of claim 7, wherein: A plurality of reinforcing ribs (26) are formed on the lower surface of the cleaning cover (2) and arranged in a circular array around the center of the cleaning cover (2).