Oil filler cap with good tightness

Abstract

The utility model discloses an oil filler cap with good tightness, which relates to the technical field of oil filler cap equipment, and comprises an oil filler seat, an oil filler cap and a locking cover, one side of the oil filler seat is provided with the oil filler cap through a hinge, one side of the oil filler seat is provided with the locking cover, and the locking cover is provided with the oil filler cap. And a sealing sleeve covers an oil filling port at the top of the oil filling port seat. The oil filler seat, the oil filler cover and the locking cover are combined, the sealing sleeve and the multi-layer sealing structure are arranged at the top of the oil filler seat, and the sealing structure comprises the first sealing rubber ring, the first annular inflation sealing ring and the second annular inflation sealing ring on the rubber sealing block, so that the sealing performance of the oil filler is improved; and then the first inflation pump and the second inflation pump are controlled through the corresponding trigger blocks, appropriate inflation can be provided for the first annular inflation sealing ring and the second annular inflation sealing ring, the sealing effect is further improved, and then the oil filler cap has excellent tightness and durability.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil filler cap equipment technical field, concretely is an oil filler cap with good tightness. BACKGROUND

[0002] Oil filler cap, also commonly known as "tank cap", is a relatively simple but vital component on the car, and the oil filler cap is a protective device for the inlet of the automobile fuel tank and provides a channel for refueling. Its main function is to ensure the sealing of the fuel tank, prevent fuel leakage, and allow the driver to conveniently open when needed for refueling.

[0003] Patent document CN220815784U discloses an oil filler cap and vehicle, which discloses "the utility model provides an oil filler cap and vehicle, the oil filler cap includes an oil filler cap body and an oil gauge; the oil filler cap body has an oil filler cap seat, and the oil gauge has a connecting end connected to the oil filler cap seat; the oil filler cap seat is injection molded, and the connecting end is injection molded with the oil filler cap seat and fixed in the molded oil filler cap seat. The oil filler cap of the utility model connects the connecting end of the oil gauge to the oil filler cap seat on the oil filler cap body, and the connecting end is fixed on the oil filler cap seat by injection molding with the oil filler cap seat, which can integrate the oil filler cap body and the oil gauge together. Compared with the existing technology, the oil filler cap and the oil gauge are independently installed, which not only reduces the number of parts and reduces production costs, but also improves the convenience of use and maintenance".

[0004] However, the oil filler cap and vehicle of the above-mentioned disclosure mainly consider how to reduce the number of parts and reduce production costs, and there are technical problems of poor tightness and durability.

[0005] Therefore, it is necessary to study an oil filler cap with good tightness to improve the tightness and durability of the oil filler cap during use. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing an oil filler cap with good tightness to solve the technical problems in the background art.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme, an oil filler cap with good tightness, comprising an oil filler seat, an oil filler cap and a locking cover, the oil filler seat is provided with the oil filler cap on one side through the hinge, and the oil filler seat is provided with the locking cover on one side;

[0008] The top oil filler of the oil filler seat is covered with a sealing sleeve, a group of first sealing rubber rings are mounted on the bottom of the inner wall of the sealing sleeve, a first annular groove is formed in the middle of the inner wall of the sealing sleeve, a first annular inflatable sealing ring is mounted on the inner wall of the first annular groove, a first inflatable pump is embeddedly mounted on the outside of the top of the oil filler seat, the output end of the first inflatable pump is mounted on the input end of the first annular inflatable sealing ring, and a first trigger block is mounted on the top of the first inflatable pump.

[0009] A groove is formed in one side of the oil filler cap, a layer of sealing rubber pad is covered on the outer wall of the inner wall of the groove, the outer wall of the sealing rubber pad is movably connected to the top of the outer wall of the sealing sleeve, a rubber sealing block is mounted on the middle of the inner wall of the groove, a second annular groove is formed in the outer wall of the rubber sealing block, a second annular inflatable sealing ring is mounted on the inner wall of the second annular groove, a second inflatable pump is embeddedly mounted on the edge of one side of the oil filler cap, the output end of the second inflatable pump is mounted on the input end of the second annular inflatable sealing ring, and a second trigger block is mounted on one end of the second inflatable pump.

[0010] Preferably, a second sealing rubber ring is mounted on the bottom of the sealing sleeve, and the front end of the top of the second sealing rubber ring is movably connected to the outer wall of the rubber sealing block.

[0011] Preferably, a limiting groove is formed in the top of the locking cover, a locking block is movably connected to the inner wall of the limiting groove, a fixing block is movably connected to the outer wall of the locking block, and the fixing block is fixedly connected to the outer wall of the locking cover.

[0012] Preferably, a group of fixing rods are mounted on the inner wall of the limiting groove, and the outer wall of the fixing rods penetrates one side of the locking block.

[0013] Preferably, a pressure spring is movably connected to the inner wall of the limiting groove and one side of the locking block.

[0014] Preferably, a slide rail is mounted on the bottom of the outer wall of the locking cover, a slide block is mounted on the inner wall of the slide rail, and a push plate is mounted on one end of the slide block.

[0015] Preferably, through holes are formed in the middle of the outer wall of the locking cover on both sides, guide wheels are mounted on the middle of the outer wall of the locking cover on both sides, ropes are movably connected to the outer wall of the guide wheels, one end of the ropes is mounted on the top of the push plate, and the other end of the ropes is mounted on the middle of the locking block on both sides through the through holes.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1. The utility model discloses a sealing sleeve and multilayer sealing structure are set up on the top of oil filler neck, including the first sealing rubber ring, the first annular inflation sealing ring and the second annular inflation sealing ring on the rubber sealing block, and then improve the sealing performance of oil filler, and through the control of first inflation pump and second inflation pump through respective corresponding trigger block, can provide the first annular inflation sealing ring and second annular inflation sealing ring with moderate inflation, further improve the sealing effect, and then make the oil filler cap have excellent tightness and durability.

[0018] 2. The utility model discloses the lock block and fixed block structure in the limiting groove, combines the setting of fixed rod and pressure spring, ensures that the lock block can stably and flexibly lock and unlock, provides reliable safety guarantee, simultaneously, the cooperation of slide rail and sliding block and the setting of push board and rope can make the user control the movement of lock block through simple operation, is convenient and efficient, and the introduction of guide wheel further optimizes the movement track of rope, ensures the smoothness and stability of operation, and then improves the safety and convenience of oiling process. DRAWINGS

[0019] Figure 1 It is the overall structure perspective drawing of the utility model;

[0020] Figure 2 It is the oil filler cap structure schematic view of the utility model;

[0021] Figure 3 It is the oil filler neck structure schematic view of the utility model;

[0022] Figure 4 It is the lock cover structure schematic view of the utility model.

[0023] In the drawing: 1, oil filler neck; 2, oil filler cap; 3, lock cover; 4, sealing sleeve; 5, first sealing rubber ring; 6, first annular groove; 7, first annular inflation sealing ring; 8, first inflation pump; 9, first trigger block; 10, recess; 11, sealing rubber pad; 12, rubber sealing block; 13, second annular groove; 14, second annular inflation sealing ring; 15, second inflation pump; 16, second trigger block; 17, second sealing rubber ring; 18, limiting groove; 19, lock block; 20, fixed block; 21, fixed rod; 22, pressure spring; 23, slide rail; 24, sliding block; 25, push board; 26, through -hole; 27, guide wheel; 28, rope. DETAILED DESCRIPTION

[0024] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0025] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0026] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0027] Embodiment 1: please refer to Figure 1 、 Figure 2 and Figure 3 The present application provides an embodiment, a fuel filler cap with good tightness, comprising a fuel filler seat 1, a fuel filler cap 2 and a locking cover 3, the fuel filler cap 2 is installed on one side of the fuel filler seat 1 through a hinge, and the locking cover 3 is installed on one side of the fuel filler seat 1;

[0028] A sealing sleeve 4 is covered on the top fuel filler of the fuel filler seat 1, a group of first sealing rubber rings 5 are installed on the bottom of the inner wall of the sealing sleeve 4, a first annular groove 6 is formed in the middle of the inner wall of the sealing sleeve 4, and a first annular inflation sealing ring 7 is installed on the inner wall of the first annular groove 6, a first inflation pump 8 is embeddedly installed on the outer side of the top of the fuel filler seat 1, and the output end of the first inflation pump 8 is installed on the input end of the first annular inflation sealing ring 7, and the top of the first inflation pump 8 is installed with a first trigger block 9;

[0029] The side of the oil filler cap 2 is provided with a groove 10, the outer periphery of the inner wall of the groove 10 is covered with a layer of sealing rubber pad 11, and the outer wall of the sealing rubber pad 11 is movably connected to the top of the outer wall of the sealing sleeve 4, the middle part of the inner wall of the groove 10 is provided with a rubber sealing block 12, the outer wall of the rubber sealing block 12 is provided with a second annular groove 13, the inner wall of the second annular groove 13 is provided with a second annular inflatable sealing ring 14, the edge of the side of the oil filler cap 2 is embeddedly provided with a second inflatable pump 15, and the output end of the second inflatable pump 15 is provided on the input end of the second annular inflatable sealing ring 14, and one end of the second inflatable pump 15 is provided with a second trigger block 16.

[0030] The bottom of the sealing sleeve 4 is provided with a second sealing rubber ring 17, and the front end of the top of the second sealing rubber ring 17 is movably connected to the outer wall of the rubber sealing block 12.

[0031] Further, by combining the oil filler seat 1, the oil filler cap 2 and the locking cover 3, and setting the sealing sleeve 4 and the multi-layer sealing structure on the top of the oil filler seat 1, including the first sealing rubber ring 5, the first annular inflatable sealing ring 7 and the second annular inflatable sealing ring 14 on the rubber sealing block 12, the sealing performance of the oil filler is improved, and the first annular inflatable sealing ring 7 and the second annular inflatable sealing ring 14 can be provided with appropriate inflation through the respective trigger blocks of the first inflatable pump 8 and the second inflatable pump 15, so that the sealing effect is further improved, and the oil filler cap 2 has excellent tightness and durability.

[0032] Embodiment 2: please refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , the top of the locking cover 3 is provided with a limiting groove 18, the inner wall of the limiting groove 18 is movably connected with a locking block 19, the outer wall of the locking block 19 is movably connected with a fixed block 20, and the fixed block 20 is fixedly connected to the outer wall of the locking cover 3.

[0033] A group of fixed rods 21 are installed on the inner wall of the limiting groove 18, and the outer wall of the fixed rod 21 penetrates one side of the locking block 19.

[0034] The outer wall of the fixed rod 21 is movably connected with a pressure spring 22, one end of the pressure spring 22 is movably connected to the inner wall of the limiting groove 18, and the other end is movably connected to one side of the locking block 19.

[0035] The bottom of the outer wall of the locking cover 3 is provided with a sliding rail 23, the inner wall of the sliding rail 23 is provided with a sliding block 24, and one end of the sliding block 24 is provided with a push plate 25.

[0036] Two through holes 26 are formed in the middle of the outer wall of the locking cover 3, and two guide wheels 27 are installed on the two sides of the middle of the outer wall of the locking cover 3, the outer wall of the guide wheel 27 is movably connected with a rope 28, one end of the rope 28 is installed on the top of the push plate 25, and the other end of the rope 28 is installed on the two sides of the middle of the locking block 19 through the through hole 26;

[0037] Further, by limiting the structure of the locking block 19 and the fixed block 20 in the limiting groove 18, combined with the setting of the fixed rod 21 and the pressure spring 22, it is ensured that the locking block 19 can be stably and flexibly locked and unlocked, and reliable safety protection is provided, at the same time, the cooperation of the sliding rail 23 and the sliding block 24, and the setting of the push plate 25 and the rope 28 can make the user control the movement of the locking block 19 through simple operation, which is convenient and efficient, the introduction of the guide wheel 27 further optimizes the motion trajectory of the rope 28, ensures the smoothness and stability of the operation, and further improves the safety and convenience of the refueling process.

[0038] The working principle is that by combining the oil filler seat 1, the oil filler cover 2 and the locking cover 3, and setting the sealing sleeve 4 and the multi-layer sealing structure on the top of the oil filler seat 1, including the first sealing rubber ring 5, the first annular inflatable sealing ring 7 and the second annular inflatable sealing ring 14 on the rubber sealing block 12, the sealing performance of the oil filler is improved, then the first inflatable pump 8 and the second inflatable pump 15 are controlled by the respective trigger blocks, which can provide appropriate inflation for the first annular inflatable sealing ring 7 and the second annular inflatable sealing ring 14, further improve the sealing effect, and thus make the oil filler cover 2 have excellent tightness and durability, by limiting the structure of the locking block 19 and the fixed block 20 in the limiting groove 18, combined with the setting of the fixed rod 21 and the pressure spring 22, it is ensured that the locking block 19 can be stably and flexibly locked and unlocked, and reliable safety protection is provided, at the same time, the cooperation of the sliding rail 23 and the sliding block 24, and the setting of the push plate 25 and the rope 28 can make the user control the movement of the locking block 19 through simple operation, which is convenient and efficient, the introduction of the guide wheel 27 further optimizes the motion trajectory of the rope 28, ensures the smoothness and stability of the operation, and further improves the safety and convenience of the refueling process.

[0039] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A fuel filler cap with good tightness, comprising a filler seat (1), a filler cap (2) and a locking cap (3), characterized in that: One side of the oil filler seat (1) is provided with an oil filler cap (2) through a hinge, and one side of the oil filler seat (1) is provided with a locking cover (3); The top of the oil filler seat (1) is covered with a sealing sleeve (4), the bottom of the inner wall of the sealing sleeve (4) is provided with a group of first sealing rubber rings (5), the middle of the inner wall of the sealing sleeve (4) is provided with a first annular groove (6), the inner wall of the first annular groove (6) is provided with a first annular inflatable sealing ring (7), the outside of the top of the oil filler seat (1) is embedded with a first inflatable pump (8), and the output end of the first inflatable pump (8) is connected to the input end of the first annular inflatable sealing ring (7), and the top of the first inflatable pump (8) is provided with a first trigger block (9); The side of the oil filler cap (2) is provided with a groove (10), the outer wall of the sealing rubber pad (11) is movably connected to the top of the outer wall of the sealing sleeve (4), the middle of the inner wall of the groove (10) is provided with a rubber sealing block (12), the outer wall of the rubber sealing block (12) is provided with a second annular groove (13), the inner wall of the second annular groove (13) is provided with a second annular inflatable sealing ring (14), the edge of the side of the oil filler cap (2) is embedded with a second inflatable pump (15), and the output end of the second inflatable pump (15) is connected to the input end of the second annular inflatable sealing ring (14), and one end of the second inflatable pump (15) is provided with a second trigger block (16).

2. The cap of claim 1, wherein: The bottom of the sealing sleeve (4) is provided with a second sealing rubber ring (17), and the front end of the top of the second sealing rubber ring (17) is movably connected to the outer wall of the rubber sealing block (12).

3. The tightness good oil filler cap according to claim 1, characterized in that: The top of the locking cover (3) is provided with a limiting groove (18), the inner wall of the limiting groove (18) is movably connected with a locking block (19), the outer wall of the locking block (19) is movably connected with a fixed block (20), and the fixed block (20) is fixedly connected to the outer wall of the locking cover (3).

4. The cap of claim 3, wherein: The inner wall of the limiting groove (18) is provided with a group of fixed rods (21), and the outer wall of the fixed rod (21) penetrates one side of the locking block (19).

5. The tightness good filler cap according to claim 4, characterized in that: The outer wall of the fixed rod (21) is movably connected with a pressure spring (22), one end of the pressure spring (22) is movably connected to the inner wall of the limiting groove (18), and the other end is movably connected to one side of the locking block (19).

6. The tightness good oil filler cap according to claim 1, characterized in that: The bottom of the outer wall of the locking cover (3) is provided with a sliding rail (23), the inner wall of the sliding rail (23) is provided with a sliding block (24), one end of the sliding block (24) is provided with a push plate (25).

7. The tightness good oil filler cap according to claim 1, characterized in that: The middle of the outer wall of the locking cover (3) is provided with a through hole (26) on both sides, and the middle of the outer wall of the locking cover (3) is provided with a guide wheel (27) on both sides, the outer wall of the guide wheel (27) is movably connected with a rope (28), one end of the rope (28) is connected to the top of the push plate (25), and the other end of the rope (28) penetrates the through hole (26) and is connected to the middle of the two sides of the locking block (19).

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