Oil tank cover structure capable of preventing oil mist from leaking

Abstract

The utility model relates to the technical field of oil tank cover sealing, and discloses an oil tank cover structure capable of preventing oil mist leakage, which comprises a sealing cap, a sealing column and an oil tank oil inlet pipe, threaded plates are arranged on the outer wall of the sealing column and the inner wall of the oil tank oil inlet pipe, the sealing column can be in threaded connection with the oil tank oil inlet pipe, and a connecting column is arranged in the sealing cap. The sealing cap and the sealing column are connected through a connecting column, a reinforcing baffle, an elastic sealing piece and a first limiting block are arranged on the outer wall of the connecting column, the reinforcing baffle and the elastic sealing piece can move up and down on the outer wall of the connecting column, and the elastic sealing piece is located on the upper side of the reinforcing baffle. Sealing is achieved through threaded connection between the sealing column and the oil tank oil inlet pipe, in the process that the sealing column is screwed into the oil tank oil inlet pipe, the reinforcing baffle and the elastic sealing piece can enter the oil tank oil inlet pipe, and the spiral plate on the inner wall of the oil tank oil inlet pipe can limit the reinforcing baffle.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of oil tank cover sealing, especially relates to an oil tank cover structure preventing oil mist leakage. BACKGROUND

[0002] The oil tank cover is widely used, such as the automobile oil tank cover, the existing oil tank cover is directly connected with the used oil tank in the process of use, and a sealing ring is arranged on the oil cover to seal, and the sealing ring is matched with the inner wall of the oil tank pipeline in the interference mode to improve the sealing effect, the sealing ring is rubbed with the inner wall of the oil tank pipeline during long-time separation or connection of the oil tank cover and the oil tank, which can cause damage to the sealing ring and affect the sealing effect.

[0003] Therefore, the utility model provides an oil tank cover structure preventing oil mist leakage. UTILITY MODEL CONTENTS

[0004] In order to realize the above-mentioned purpose, the utility model provides an oil tank cover structure preventing oil mist leakage, which comprises a sealing cap, a sealing column and an oil tank oil inlet pipe, the outer wall of the sealing column and the inner wall of the oil tank oil inlet pipe are provided with threaded plates, the sealing column can be threadedly connected with the oil tank oil inlet pipe, the inside of the sealing cap is provided with a connecting column, the sealing cap and the sealing column are connected through the connecting column, the outer wall of the connecting column is provided with a reinforcing baffle, an elastic sealing piece and a limiting block one, the reinforcing baffle and the elastic sealing piece can move up and down on the outer wall of the connecting column, the elastic sealing piece is located on the upper side of the reinforcing baffle, the reinforcing baffle can limit the elastic sealing piece through the reinforcing baffle, the reinforcing baffle is made of stainless steel material, the reinforcing baffle and the elastic sealing piece are matched with the inside of the oil tank oil inlet pipe, a position adjusting mechanism for changing the height of the limiting block one is arranged on the limiting block one, and the position adjusting mechanism comprises a height adjusting rod, a connecting sliding block one and a connecting sliding groove one.

[0005] In one example, the connecting sliding groove one is arranged on the outer wall of the connecting column, the connecting sliding block one is fixedly connected to the inner wall of the limiting block one, and the connecting sliding block one is movably arranged through the inside of the connecting sliding groove one, so that the position of the limiting block one can be limited through the connecting sliding block one and the connecting sliding groove one.

[0006] In one example, the height adjusting rod and the connecting sliding groove one are threadedly connected, the outer wall of the height adjusting rod extends to the upper side of the connecting column, and the upper side of the sealing cap is fixedly provided with two limiting blocks two which are left-right symmetrical.

[0007] In one example, an auxiliary sliding block which can slide up and down is arranged between the two limiting blocks two, the two limiting blocks two limit the auxiliary sliding block, the auxiliary sliding block is rectangular, and the bottom of the auxiliary sliding block is provided with a connecting sleeve.

[0008] In one example, the connecting sleeve is movably sleeved on the outer wall of the height adjusting rod, the outer wall of the height adjusting rod is provided with a connecting sliding groove two limiting the height adjusting rod, and the outer wall of the connecting sleeve is provided with a connecting sliding block two.

[0009] In one example, the outer wall of the limiting block one and the inner wall of the reinforcing baffle are both tapered from top to bottom.

[0010] In one example, the taper of the limiting block one is same as the taper of the reinforcing baffle, and the vertical width of the limiting block one is larger than that of the reinforcing baffle.

[0011] The oil tank cover structure capable of preventing oil mist leakage can bring the following beneficial effects:

[0012] 1、The sealing column and the oil tank inlet pipe are connected through threads to realize sealing, the reinforcing baffle and the elastic sealing sheet enter the inside of the oil tank inlet pipe in the process that the sealing column is screwed into the inside of the oil tank inlet pipe, the spiral plate on the inner wall of the oil tank inlet pipe limits the reinforcing baffle, and the sealing column continues to be screwed into the inside of the oil tank inlet pipe at this time, the limiting block one moves downward due to the relative state of the reinforcing baffle and the elastic sealing sheet, until the inner wall of the limiting block one and the elastic sealing sheet are in contact, the limiting block one elastically deforms the elastic sealing sheet by extruding the elastic sealing sheet, the outer diameter of the elastic sealing sheet is increased, and the outer wall of the elastic sealing sheet is tightly attached to the inside of the oil tank inlet pipe, the sealing effect is improved, the initial distance between the limiting block one and the elastic sealing sheet can be changed through the position adjusting mechanism, so that the force borne by the elastic sealing sheet when the limiting block one and the elastic sealing sheet are connected can be changed, and the deformation amount of the elastic sealing sheet can be increased, so that the phenomenon that the sealing effect is reduced due to wear of the elastic sealing sheet is avoided.

[0013] 2、The auxiliary sliding block is pulled upward until the auxiliary sliding block is away from the position between the two limiting blocks two, then the auxiliary sliding block is forwardly rotated, the height adjusting rod starts to rotate under the limiting action of the connecting sliding block two and the connecting sliding groove two, and the limiting block one starts to move downward along the outer wall of the connecting column under the limiting action of the connecting sliding block one and the connecting sliding groove one, so that the distance between the limiting block one and the elastic sealing sheet is changed, the inner wall of the limiting block one and the elastic sealing sheet are tapered, so that the limiting block one is conveniently moved into the inside of the elastic sealing sheet, and the position of the auxiliary sliding block is limited under the action of the two limiting blocks two, so that the misoperation of the auxiliary sliding block is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings, which are included to provide a further understanding of the present application and are incorporated in and constitute a part of this application, illustrate embodiments of the present application and serve to explain the present application. In the drawings:

[0015] Figure 1 is a perspective view of the whole utility model;

[0016] Figure 2 is a sectional perspective view of the sealing cap of the utility model;

[0017] Figure 3 is a sectional perspective view of the sealing cap of the utility model;

[0018] Figure 4 is Figure 2 an enlarged view of position A.

[0019] 1, sealing cap; 10, sealing column; 11, oil tank oil inlet pipe; 12, connecting column; 13, reinforcing baffle; 14, elastic sealing sheet; 15, limit block one; 16, connecting sliding block one; 17, connecting sliding groove one; 18, limit block two; 19, auxiliary sliding block; 20, height adjusting rod; 21, connecting sliding block two; 22, connecting sliding groove two; 23, connecting sleeve. DETAILED DESCRIPTION

[0020] As Figures 1-4 shown, the embodiment of the utility model discloses an oil tank cover structure of preventing oil mist from leaking, including sealing cap 1, sealing column 10 and oil tank oil inlet pipe 11, the inner wall of sealing column 10 and the inner wall of oil tank oil inlet pipe 11 are all provided with thread plate, sealing column 10 can be connected with oil tank oil inlet pipe 11 by screw thread, the inside of sealing cap 1 is provided with connecting column 12, and sealing cap 1 and sealing column 10 are connected through connecting column 12, the outer wall of connecting column 12 is provided with reinforcing baffle 13, elastic sealing sheet 14 and limit block one 15, reinforcing baffle 13 and elastic sealing sheet 14 can move up and down on the outer wall of connecting column 12, and elastic sealing sheet 14 is located on the upside of reinforcing baffle 13, reinforcing baffle 13 can limit elastic sealing sheet 14, reinforcing baffle 13 is made of stainless steel material, and reinforcing baffle 13 and elastic sealing sheet 14 are all adapted to the inside of oil tank oil inlet pipe 11, limit block one 15 is provided with position adjusting mechanism that changes its height, and the position adjusting mechanism includes height adjusting rod 20, connecting sliding block one 16 and connecting sliding groove one 17.

[0021] connecting sliding groove one 17 is opened on the outer wall of connecting column 12, connecting sliding block one 16 is fixedly connected on the inner wall of limit block one 15, connecting sliding block one 16 is movably passed through the inside of connecting sliding groove one 17, and the position of limit block one 15 can be limited through connecting sliding block one 16 and connecting sliding groove one 17, and height adjusting rod 20 is arranged in the inside of connecting column 12 by rotating.

[0022] The height adjusting rod 20 is in threaded connection with the connecting sliding groove 17, the outer wall of the height adjusting rod 20 extends to the upper side of the connecting column 12, and the upper side of the sealing cap 1 is fixed with two left-right symmetrical limiting blocks two 18. An auxiliary sliding block 19 that can slide up and down is arranged between the two limiting blocks two 18, the two limiting blocks two 18 limit the auxiliary sliding block 19, the auxiliary sliding block 19 is rectangular, and the bottom of the auxiliary sliding block 19 is provided with a connecting sleeve 23. The connecting sleeve 23 movably sleeves the outer wall of the height adjusting rod 20, the outer wall of the height adjusting rod 20 is provided with a connecting sliding groove two 22 that limits the height adjusting rod 20, and the outer wall of the connecting sleeve 23 is provided with a connecting sliding block two 21, and the connecting sliding groove two 22 movably penetrates the inside of the connecting sliding block two 21. The outer wall of the limiting block one 15 and the inner wall of the reinforcing baffle 13 are all tapered from top to bottom. The taper of the limiting block one 15 is same as the taper of the reinforcing baffle 13, and the vertical width of the limiting block one 15 is greater than that of the reinforcing baffle 13.

[0023] Working principle:

[0024] The sealing column 10 and the oil tank oil inlet pipe 11 are in threaded connection, in the process that the sealing column 10 is screwed into the inside of the oil tank oil inlet pipe 11, the reinforcing baffle 13 and the elastic sealing sheet 14 enter the inside of the oil tank oil inlet pipe 11, the spiral plate on the inner wall of the oil tank oil inlet pipe 11 limits the reinforcing baffle 13, and at the moment, the sealing column 10 continues to be screwed into the inside of the oil tank oil inlet pipe 11, since the reinforcing baffle 13 and the elastic sealing sheet 14 are in relative movement, the limiting block one 15 moves downwards until the limiting block one 15 and the inner wall of the elastic sealing sheet 14 are in contact, the limiting block one 15 extrudes the elastic sealing sheet 14 to be elastically deformed, so that the outer diameter of the elastic sealing sheet 14 is increased, and the outer wall of the elastic sealing sheet 14 is tightly attached to the inside of the oil tank oil inlet pipe 11, thereby improving the sealing effect, through the position adjusting mechanism, the initial distance between the limiting block one 15 and the elastic sealing sheet 14 can be changed, so that the force borne by the elastic sealing sheet 14 when the limiting block one 15 and the elastic sealing sheet 14 are connected can be changed, thereby the deformation amount of the elastic sealing sheet 14 can be increased, and the phenomenon that the sealing effect is reduced due to wear of the elastic sealing sheet 14 is avoided.

[0025] The application pulls the auxiliary sliding block 19 upwards until the auxiliary sliding block 19 is away from the position between the two limiting blocks two 18, then rotates the auxiliary sliding block 19 in the positive direction, under the limiting action of the connecting sliding block two 21 and the connecting sliding groove two 22, the height adjusting rod 20 starts to rotate, at the same time, under the limiting action of the connecting sliding block one 16 and the connecting sliding groove one 17, the limiting block one 15 starts to move downwards along the outer wall of the connecting column 12, thereby changing the distance between the limiting block one 15 and the elastic sealing sheet 14, since the inner walls of the limiting block one 15 and the elastic sealing sheet 14 are both tapered, the limiting block one 15 is conveniently moved to the inside of the elastic sealing sheet 14, under the action of the two limiting blocks two 18, the position of the auxiliary sliding block 19 is limited, and the misoperation of the auxiliary sliding block 19 can be prevented.

[0026] Each of the embodiments in the specification is described in a progressive manner, and the same and similar parts between the embodiments can be referred to each other, and each embodiment mainly explains the difference from other embodiments. Especially, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the related parts can be referred to the part of the method embodiment.

[0027] The above only describes the embodiments of the present application and is not used to limit the present application. The present application can be changed and varied in various ways for those skilled in the art. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the scope of the claims of the present application.

Claims

1. An oil tank cover structure for preventing oil mist leakage, comprising a sealing cap (1), a sealing column (10) and an oil tank oil inlet pipe (11), the outer wall of the sealing column (10) and the inner wall of the oil tank oil inlet pipe (11) are provided with threaded plates, characterized in that, The inside of the sealing cap (1) is provided with a connecting column (12), the sealing cap (1) and the sealing column (10) are connected through the connecting column (12), the outer wall of the connecting column (12) is provided with a reinforcing baffle (13), an elastic sealing sheet (14) and a limiting block one (15), the elastic sealing sheet (14) is located on the upper side of the reinforcing baffle (13), the limiting block one (15) is provided with a position adjusting mechanism changing its height, and the position adjusting mechanism comprises a height adjusting rod (20), a connecting sliding block one (16) and a connecting sliding groove one (17).

2. The oil mist leakage preventing oil tank cover structure according to claim 1, characterized by, The connecting sliding groove one (17) is opened on the outer wall of the connecting column (12), the connecting sliding block one (16) is fixedly connected to the inner wall of the limiting block one (15), the connecting sliding block one (16) movably passes through the inside of the connecting sliding groove one (17), and the height adjusting rod (20) is arranged in the inside of the connecting column (12).

3. The oil mist leakage preventing oil tank cover structure according to claim 2, characterized by The height adjusting rod (20) and the connecting sliding groove one (17) are screw-connected, the outer wall of the height adjusting rod (20) extends to the upper side of the connecting column (12), and the upper side of the sealing cap (1) is fixedly provided with two limiting block twos (18).

4. The oil mist leakage preventing oil tank cover structure according to claim 3, characterized by Auxiliary sliding blocks (19) are arranged between the two limiting block twos (18), and the bottom of the auxiliary sliding block (19) is provided with a connecting sleeve (23).

5. The oil mist leakage preventing oil tank cover structure according to claim 4, characterized by The connecting sleeve (23) movably sleeves the outer wall of the height adjusting rod (20), the outer wall of the height adjusting rod (20) is provided with a connecting sliding groove two (22), the outer wall of the connecting sleeve (23) is provided with a connecting sliding block two (21), and the connecting sliding groove two (22) movably passes through the inside of the connecting sliding block two (21).

6. The oil mist leakproof oil tank cover structure according to claim 1, characterized by The outer wall of the limiting block one (15) and the inner wall of the reinforcing baffle (13) are all tapered from top to bottom.

7. The oil mist leakage preventing oil tank cover structure according to claim 6, characterized by The taper of the limiting block one (15) is same as the taper of the reinforcing baffle (13), and the vertical width of the limiting block one (15) is larger than that of the reinforcing baffle (13).

Images