CN219529151U

CN219529151U - Ventilation plug

Info

Publication number: CN219529151U
Application number: CN202320786699.3U
Authority: CN
Inventors: 吴供平
Original assignee: Yueqing Jinyi Auto Parts Co ltd
Current assignee: Yueqing Jinyi Auto Parts Co ltd
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-08-15
Anticipated expiration: 2033-04-07

Abstract

The utility model discloses a ventilation plug, which comprises a main body, an aluminum cover, an inner core assembly and an exhaust spring, wherein the main body is provided with a plurality of air inlets; the cavity with an open top is arranged in the main body, a first air port communicated with the cavity is arranged at the bottom of the main body, and a second air port communicated with the cavity is arranged at the top end of the side wall of the main body; the inner core assembly is arranged in the cavity, and the lower end of the inner core assembly is opposite to the first air port; a first air passage is formed between the inner core assembly and the inner side wall of the cavity, the lower end of the first air passage is communicated with the first air port, and the upper end of the first air passage is communicated with the second air port; the inner core assembly is internally provided with a second air passage in a penetrating way, the lower end of the second air passage is communicated with the first air port, and the upper end of the second air passage is communicated with the second air port; the aluminum cover is buckled at the top of the main body, a third air passage is formed between the inner side wall of the aluminum cover and the main body, one end of the third air passage is communicated with the second air passage, and the other end of the third air passage is communicated with the outside; the upper end of the exhaust spring is connected with the aluminum cover, and the lower end of the exhaust spring is connected with the inner core assembly.

Description

Ventilation plug

Technical Field

The utility model relates to the technical field of automobile accessories, in particular to a ventilation plug.

Background

Referring to fig. 1, the B-direction air inlet line of the existing air exchange plug is located at the side surface of the air exchange plug, which causes difficult pipeline processing, high processing cost, low processing qualification rate and high quality control difficulty.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide the air exchange plug, wherein the air inlet line A and the air outlet line B are centered, so that the processing cost is reduced, the processing qualification rate is improved, the quality control is improved, and the production process is improved.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a ventilation plug comprises a main body, an aluminum cover, an inner core assembly and an exhaust spring; the main body is internally provided with a cavity with an open top, the bottom of the main body is provided with a first air port communicated with the cavity, and the top end of the side wall of the main body is provided with a second air port communicated with the cavity; the inner core assembly is arranged in the cavity, and the lower end of the inner core assembly is opposite to the first air port; a first air passage is formed between the inner core assembly and the inner side wall of the cavity, the lower end of the first air passage is communicated with the first air port, and the upper end of the first air passage is communicated with the second air port; the inner core assembly is internally provided with a second air passage in a penetrating way, the lower end of the second air passage is communicated with the first air port, and the upper end of the second air passage is communicated with the second air port; the aluminum cover is buckled at the top of the main body, a third air passage is formed between the inner side wall of the aluminum cover and the main body, one end of the third air passage is communicated with the second air port, and the other end of the third air passage is communicated with the outside; the upper end of the exhaust spring is connected with the aluminum cover, and the lower end of the exhaust spring is connected with the inner core assembly and is used for providing acting force for resetting the inner core assembly.

The further improvement is that: the outer side wall of the aluminum cover is provided with a plurality of concave parts.

The further improvement is that: the middle part of main part lateral wall is provided with the C groove, and the lower extreme of main part lateral wall is provided with screw thread portion.

The further improvement is that: the outer side wall of the main body is provided with a first limiting step matched with the aluminum cover.

The further improvement is that: the outer side wall of the main body is provided with a first mounting groove, and a first O-shaped ring is arranged in the first mounting groove.

The further improvement is that: a rubber gasket, a stainless steel ball and an air inlet spring are sequentially arranged in the second air passage of the inner core assembly from top to bottom; the air inlet spring is used for providing acting force for upwards pressing the stainless steel ball against the rubber gasket.

The further improvement is that: and a second limiting step for fixing the air inlet spring and a third limiting step for fixing the rubber gasket are respectively arranged in the second air passage.

The further improvement is that: the lower extreme of inner core subassembly is provided with the end cap with first gas port looks adaptation, the lateral wall of end cap is provided with the second mounting groove, is provided with the second O type circle in the second mounting groove.

The further improvement is that: the outer side wall of the inner core assembly is provided with a fourth limiting step for fixing the exhaust spring.

The further improvement is that: the inner core assembly is formed by splicing an aluminum hexagonal inner core cover and an aluminum hexagonal inner core seat, a clamping groove is formed in the upper end of the aluminum hexagonal inner core seat, and a buckle matched with the clamping groove is arranged at the lower end of the aluminum hexagonal inner core cover.

The utility model has the beneficial effects that:

the utility model has the advantages of centering the air inlet line and the air outlet line, reducing the processing cost, improving the processing qualification rate, improving the quality control and improving the production process.

Drawings

FIG. 1 is a schematic diagram of a prior art venting plug;

FIG. 2 is a perspective view of a venting plug in accordance with an embodiment of the present utility model;

FIG. 3 is a top view of a venting plug in an embodiment of the utility model;

FIG. 4 is a front view of a venting plug in an embodiment of the utility model;

FIG. 5 is a cross-sectional view of a venting plug in an embodiment of the utility model;

FIG. 6 is a schematic structural view of an inner core assembly according to an embodiment of the present utility model;

fig. 7 is a schematic diagram of a ventilation plug in an embodiment of the utility model.

Reference numerals:

1-a main body; 11-cavity; 12-a first port; 13-a second port; 14-a first airway; 15-a first mounting groove; 16-a first O-ring; 17-C groove; 18-a threaded portion; 19-a first limiting step;

2-aluminum cover; 21-a third airway; 22-a recess;

3-an inner core assembly; 301-a second airway; 302-stainless steel balls; 303-an air inlet spring; 304-a second limit step; 305-plug; 306-a second mounting slot; 307-second O-ring; 308-rubber gasket; 309-a third limit step; 310-fourth limit steps; 311-aluminum hexagonal inner core cover; 312-aluminum hexagonal inner core print; 313-snap; 314-a clamping groove;

4-exhaust spring.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout.

In the description of the present utility model, it should be noted that, for the azimuth words such as the terms "center", "transverse (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, only for convenience of describing the present utility model and simplifying the description, but do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and should not be construed as limiting the specific protection scope of the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first", "a second" feature may explicitly or implicitly include one or more of such feature, and in the description of the present utility model, the meaning of "a number", "a number" is two or more, unless otherwise specifically defined.

The technical scheme and the beneficial effects of the utility model are more clear and definite by further describing the specific embodiments of the utility model with reference to the drawings in the specification. The embodiments described below are exemplary by referring to the drawings for the purpose of illustrating the utility model and are not to be construed as limiting the utility model.

Referring to fig. 2 to 5, an embodiment of the present utility model provides a ventilation plug, including a main body 1, an aluminum cap 2, an inner core assembly 3, and a vent spring 4;

a cavity 11 with an open top is arranged in the main body 1, a first air port 12 communicated with the cavity 11 is arranged at the bottom of the main body 1, and a second air port 13 communicated with the cavity 11 is arranged at the top end of the side wall of the main body 1;

referring to fig. 5 and 6, the core assembly 3 is disposed within the cavity 11 with the lower end of the core assembly 3 opposite the first air port 12; a first air passage 14 is formed between the inner core assembly 3 and the inner side wall of the cavity 11, the lower end of the first air passage 14 is communicated with the first air port 12, and the upper end of the first air passage 14 is communicated with the second air port 13; the inner core assembly 3 is internally provided with a second air passage 301 in a penetrating way, the lower end of the second air passage 301 is communicated with the first air port 12, and the upper end of the second air passage 301 is communicated with the second air port 13; specifically, a rubber gasket 308, a stainless steel ball 302 and an air inlet spring 303 are sequentially arranged in the second air passage 301 of the inner core assembly 3 from top to bottom; the air intake spring 303 is used to provide a force that the stainless steel ball 302 presses upward against the rubber gasket 308. A second limiting step 304 for fixing the air intake spring 303 and a third limiting step 309 for fixing the rubber gasket 308 are respectively provided in the second air passage 301. The lower extreme of inner core assembly 3 is provided with the end cap 305 with first gas port 12 looks adaptation, and the lateral wall of end cap 305 is provided with second mounting groove 306, is provided with second O type circle 307 in the second mounting groove 306. The outer side wall of the inner core assembly 3 is provided with a fourth limiting step 310 for fixing the air discharge spring 4. The inner core assembly 3 is formed by splicing an aluminum hexagonal inner core cover 311 and an aluminum hexagonal inner core seat 312, a clamping groove 314 is formed in the upper end of the aluminum hexagonal inner core seat 312, and a buckle 313 matched with the clamping groove 314 is arranged at the lower end of the aluminum hexagonal inner core cover 311.

The aluminum cover 2 is buckled on the top of the main body 1, a third air passage 21 is formed between the inner side wall of the aluminum cover 2 and the main body 1, one end of the third air passage 21 is communicated with the second air port 13, and the other end of the third air passage 21 is communicated with the outside; specifically, the outer side wall of the aluminum cap 2 is provided with a plurality of concave portions 22.

The upper end of the exhaust spring 4 is connected with the aluminum cover 2, and the lower end of the exhaust spring 4 is connected with the inner core assembly 3 for providing the acting force for resetting the inner core assembly 3.

Referring to fig. 4 and 5, a C slot 17 is provided in the middle of the outer sidewall of the main body 1, and the C slot can be provided with an anti-lost chain slot to prevent loss after later maintenance and disassembly. The lower end of the outer side wall of the main body 1 is provided with a screw portion 18. The outer side wall of the main body 1 is provided with a first limiting step 19 which is matched with the aluminum cover 2. The outer side wall of the main body 1 is provided with a first mounting groove 15, and a first O-shaped ring 16 is arranged in the first mounting groove 15.

The working principle of the utility model is as follows:

referring to fig. 7, when the air is exhausted, the stainless steel balls are used for supporting the rubber gaskets to seal the air paths, so that the whole inner core assembly is driven, the air is exhausted by the exhaust line A, the air exhaust is stopped, and the inner core assembly is reset by the exhaust spring. A gas exhaust line: first port 12→first airway 14→second port 13→third airway 21.

And the air inlet is carried out, the second O-shaped ring props against the main body to seal the air path, so that the stainless steel balls are driven to be communicated with the air from the periphery of the stainless steel balls, namely, the air enters the air inlet circuit B, and when the air inlet is stopped, the stainless steel balls are restored and reset by the air inlet spring. B air inlet line: third air passage 21→second air passage 13→second air passage 301→first air passage 12.

The stainless steel ball and the rubber gasket are improved through reverse actions of air inlet and air outlet, and the sealing effect of the aluminum hexagonal inner core seat, the second O-shaped ring and the main body is improved.

In the description of the present utility model, a description of the terms "one embodiment," "preferred," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model, and a schematic representation of the terms described above in the present specification does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

From the above description of the structure and principles, it should be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, but rather that modifications and substitutions using known techniques in the art on the basis of the present utility model fall within the scope of the present utility model, which is defined by the appended claims.

Claims

1. A ventilation plug comprising a body (1), characterized in that: the aluminum cover (2), the inner core assembly (3) and the exhaust spring (4) are also included;

a cavity (11) with an open top is arranged in the main body (1), a first air port (12) communicated with the cavity (11) is arranged at the bottom of the main body (1), and a second air port (13) communicated with the cavity (11) is arranged at the top end of the side wall of the main body (1);

the inner core assembly (3) is arranged in the cavity (11), and the lower end of the inner core assembly (3) is opposite to the first air port (12); a first air passage (14) is formed between the inner core assembly (3) and the inner side wall of the cavity (11), the lower end of the first air passage (14) is communicated with the first air port (12), and the upper end of the first air passage (14) is communicated with the second air port (13); the inner core assembly (3) is internally provided with a second air passage (301) in a penetrating way, the lower end of the second air passage (301) is communicated with the first air port (12), and the upper end of the second air passage (301) is communicated with the second air port (13);

the aluminum cover (2) is buckled at the top of the main body (1), a third air passage (21) is formed between the inner side wall of the aluminum cover (2) and the main body (1), one end of the third air passage (21) is communicated with the second air port (13), and the other end of the third air passage (21) is communicated with the outside;

the upper end of the exhaust spring (4) is connected with the aluminum cover (2), and the lower end of the exhaust spring (4) is connected with the inner core assembly (3) and is used for providing an acting force for resetting the inner core assembly (3).

2. A ventilation plug according to claim 1, wherein: the outer side wall of the aluminum cover (2) is provided with a plurality of concave parts (22).

3. A ventilation plug according to claim 1, wherein: the middle part of the outer side wall of the main body (1) is provided with a C groove (17), and the lower end of the outer side wall of the main body (1) is provided with a thread part (18).

4. A ventilation plug according to claim 1, wherein: the outer side wall of the main body (1) is provided with a first limiting step (19) matched with the aluminum cover (2).

5. A ventilation plug according to claim 1, wherein: the outer side wall of the main body (1) is provided with a first mounting groove (15), and a first O-shaped ring (16) is arranged in the first mounting groove (15).

6. A ventilation plug according to claim 1, wherein: a rubber gasket (308), a stainless steel ball (302) and an air inlet spring (303) are sequentially arranged in the second air passage (301) of the inner core assembly (3) from top to bottom; the air inlet spring (303) is used for providing a force for upwards pressing the stainless steel ball (302) against the rubber gasket (308).

7. A ventilation plug according to claim 6, wherein: and a second limiting step (304) for fixing the air inlet spring (303) and a third limiting step (309) for fixing the rubber gasket (308) are respectively arranged in the second air passage (301).

8. A ventilation plug according to claim 1, wherein: the lower extreme of inner core subassembly (3) is provided with end cap (305) with first gas port (12) looks adaptation, the lateral wall of end cap (305) is provided with second mounting groove (306), is provided with second O type circle (307) in second mounting groove (306).

9. A ventilation plug according to claim 1, wherein: the outer side wall of the inner core assembly (3) is provided with a fourth limiting step (310) for fixing the exhaust spring (4).

10. A ventilation plug according to claim 1, wherein: the inner core assembly (3) is formed by splicing an aluminum hexagonal inner core cover (311) and an aluminum hexagonal inner core seat (312), a clamping groove (314) is formed in the upper end of the aluminum hexagonal inner core seat (312), and a buckle (313) matched with the clamping groove (314) is arranged at the lower end of the aluminum hexagonal inner core cover (311).