CN216269055U

CN216269055U - Drain plug and door cover

Info

Publication number: CN216269055U
Application number: CN202122468567.XU
Authority: CN
Inventors: 施华滩; 韦逢义; 周福荣
Original assignee: SAIC GM Wuling Automobile Co Ltd
Current assignee: SAIC GM Wuling Automobile Co Ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-04-12
Anticipated expiration: 2031-10-13

Abstract

The utility model provides a drain hole plug and a door cover. The drain hole plug comprises a plug body and a sealing ring assembly, wherein the plug body comprises a main clamping part, a drain hole is formed in the center of the main clamping part, and the cross section of the main clamping part is U-shaped; the sealing ring assembly comprises a first sealing ring and a second sealing ring, the first sealing ring is arranged at the inner end of the main clamping portion, and the second sealing ring is arranged at the outer end of the main clamping portion to seal the cut edge of the liquid discharge hole in the door cover main body. Form cavity structures through main joint portion, the outage of door closure main part is cut edge and is inserted in this cavity, through first sealing washer and second sealing washer respectively with two surface sealing connection of door closure main part, prevent that the outage of door closure main part is cut edge and rusts.

Description

Drain plug and door cover

Technical Field

The utility model relates to the technical field of automobile parts, in particular to a drainage hole plug and a door cover.

Background

The liquid discharge hole on the automobile door cover in the prior art has the effects that on one hand, a body-in-white needs to discharge electrophoresis liquid in the coating electrophoresis process, and at the moment, the requirement on the opening area of the liquid discharge hole is large, so that the liquid discharge speed is improved to meet the requirement of production rhythm; on the other hand the automobile need discharge the rainwater that enters into the door closure cavity in the use, simultaneously in order to promote whole car's air tightness performance, requires lessly to the outage area of outage, and a pair of spear shield body has been formed to the demand in the aforesaid two respects.

In addition, the edge cutting of the liquid discharge hole can generate certain burrs due to process defects in the stamping production process, and if the edge cutting is in a damp or water-impacted environment for a long time, the edge cutting is easy to rust.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a drain hole plug, wherein a main clamping part of the drain hole plug forms a cavity structure, the drain hole plug is inserted into the cavity through the cut edge of a drain hole of a door cover main body, and the drain hole cut edge of the door cover main body is prevented from rusting through the sealing connection of a first sealing ring and a second sealing ring with two surfaces of the door cover main body respectively.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

according to one aspect of the utility model, the drain hole plug comprises a plug body and a sealing ring assembly, wherein the plug body comprises a main clamping part, a drain hole is formed in the center of the main clamping part, and the cross section of the main clamping part is U-shaped; the sealing ring assembly comprises a first sealing ring and a second sealing ring, the first sealing ring is arranged at the inner end of the main clamping portion, and the second sealing ring is arranged at the outer end of the main clamping portion to seal the cut edge of the liquid discharge hole in the door cover main body.

According to an embodiment of the present invention, the plug body further includes a sub-fastening portion, an inner end of the sub-fastening portion is connected to an inner end of the main fastening portion, and an outer end of the sub-fastening portion is connected to a side surface of the door cover body away from the main fastening portion through a second seal ring.

According to an embodiment of the present invention, the secondary engaging portion extends from inside to outside in an inclined manner to a cavity defined by the primary engaging portion.

According to an embodiment of the present invention, the sub-latch portion is integrally formed with or integrally fixed to the main latch portion.

According to an embodiment of the present invention, the plug body further includes an inner extension portion extending from an inner end of the main engaging portion to a center of the drain hole to reduce a diameter of the drain hole.

According to an embodiment of the utility model, the inner extension is integrally formed with or fixedly connected to the main catch.

According to an embodiment of the present invention, the plug body is made of plastic, and the first sealing ring and the second sealing ring are made of hot melt adhesive.

According to another aspect of the present invention, a door cover is provided. The door cover comprises the drainage hole plug and a door cover main body, a drainage hole is formed in the door cover main body, and the hole plug main body is arranged in the drainage hole.

One embodiment of the present invention has the following advantages or benefits:

the drainage hole plug comprises a main clamping part, a first sealing ring and a second sealing ring, wherein the cross section of the main clamping part is U-shaped, so that the main clamping part forms a cavity structure, when the main clamping part is arranged in a drainage hole of a door cover main body, the cut edge of the drainage hole is inserted into the cavity, the inner end of the main clamping part is hermetically connected with one surface of the door cover main body through the first sealing ring, the outer end of the main clamping part is hermetically connected with the other surface of the door cover main body through the second sealing ring, and the cut edge of the drainage hole of the door cover main body is prevented from rusting. The inner extension part extends inwards at the inner end of the main clamping part to control the aperture size of the drain hole, so that the situation that the aperture is large when the electrophoresis liquid is drained and the aperture is small when the drainage hole plug is used for the drain hole of the door cover main body can be met simultaneously.

Drawings

The above and other features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.

Fig. 1 is a perspective view illustrating a drain hole plug according to an exemplary embodiment.

Fig. 2 is an exploded view of a drain plug according to an exemplary embodiment.

FIG. 3 illustrates a cross-sectional view of a drain plug taken along line A-A of FIG. 1, according to an exemplary embodiment.

Fig. 4 is a schematic view illustrating a drain hole plug applied to a door cover according to an exemplary embodiment.

Wherein the reference numerals are as follows:

1. a plug body; 11. a main clamping part; 111. a drain hole; 12. a sub-engagement portion; 13. an inner extension; 2. a seal ring assembly; 21. a first seal ring; 22. a second seal ring; 3. a door cover main body; 31. And a liquid discharge hole.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.

The terms "a," "an," "the," "said" are used to indicate the presence of one or more elements/components/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.

As shown in fig. 1 to 3, fig. 1 is a perspective view illustrating a drain hole plug according to the present invention. Fig. 2 shows an exploded view of a drain hole plug according to the present invention. Fig. 3 shows a cross-sectional view taken along line a-a of fig. 1 in accordance with the present invention. Fig. 4 is a schematic view illustrating a drain hole plug according to the present invention applied to a door cover.

The drain hole plug comprises a hole plug main body 1 and a sealing ring component 2, wherein the hole plug main body 1 comprises a main clamping part 11, a drain hole 111 is formed in the center of the main clamping part 11, and the cross section of the main clamping part 11 is U-shaped; the sealing ring assembly 2 comprises a first sealing ring 21 and a second sealing ring 22, the first sealing ring 21 is arranged at the inner end of the main clamping part 11, and the second sealing ring 22 is arranged at the outer end of the main clamping part 11 so as to seal the edge of the liquid discharge hole 31 on the door cover main body 3.

The cross section of the main clamping part 11 is in a U shape, so that the main clamping part 11 forms a cavity structure, the first sealing ring 21 is fixedly connected to the inner end of the main clamping part 11, the second sealing ring 22 is fixedly connected to the outer end of the main clamping part 11, after the hole plug main body 1 is clamped into the liquid discharge hole 31 of the door cover main body 3, the first sealing ring 21 is connected to the inner end of the main clamping part 11 and one side surface of the door cover main body 3, the second sealing ring 22 is connected to the outer end of the main clamping part 11 and the other side surface of the door cover main body 3, the side cut of the liquid discharge hole 31 of the door cover main body 3 is sealed in the cavity of the main clamping part 11 through the effects of the first sealing ring 21 and the second sealing ring 22, and the sealing and rust-proof effects are achieved on the side cut of the liquid discharge hole 31.

In a preferred embodiment of the present invention, the plug body 1 further includes a sub-engaging portion 12, an inner end of the sub-engaging portion 12 is connected to an inner end of the main engaging portion 11, and an outer end is connected to a side surface of the door body 3 away from the main engaging portion 11 via a second seal ring 22.

As shown in fig. 1, the sub-fastening portion 12 extends the inner end of the main fastening portion 11 outward, so that the outer end of the sub-fastening portion 12 and the outer end of the main fastening portion 11 are respectively abutted against the two side surfaces of the door body 3, and the door body 3 is clamped in a cavity formed by the main fastening portion 11 and the sub-fastening portion 12, thereby increasing the stability of clamping the door body 3.

In a preferred embodiment of the present invention, the sub-clamping portion 12 extends from inside to outside obliquely to a cavity defined by the main clamping portion 11.

As shown in fig. 1, the sub-fastening portion 12 extends obliquely into the cavity of the main fastening portion 11, so that the outer end of the sub-fastening portion 12 and the outer end of the main fastening portion 11 are arranged in a staggered manner, when the door body 3 is clamped between the sub-fastening portion 12 and the main fastening portion 11, the door body 3 is tightly clamped by the main fastening portion 11 and the sub-fastening portion 12 by using the elastic force of the sub-fastening portion 12, and the cut of the liquid discharge hole 31 of the door body 3 is sealed by the sealing action of the first sealing ring 21 and the second sealing ring 22.

In a preferred embodiment of the present invention, the plug body 1 further includes an inner extension 13, and the inner extension 13 extends from the inner end of the main catching portion 11 toward the center of the water discharge hole 111 to reduce the diameter of the water discharge hole 111.

As shown in fig. 1 and 3, the size of the water discharge hole 111 can be set freely according to the extension length of the inner extension 13, so that the hole size of the water discharge hole 111 can be adapted to the air tightness requirement of the door body 3 in the subsequent use process.

In a preferred embodiment of the present invention, the sub-latch 12 is formed integrally with or attached integrally to the main latch 11, and the inner extension 13 is formed integrally with or attached integrally to the main latch 11.

As shown in fig. 1 and 3, the inner extension portion 13, the sub-clamping portion 12 and the main clamping portion 11 are integrally formed into a whole by injection molding and other processing methods, so that the production efficiency is improved, and the whole plug body 1 is simple in structure and convenient to install.

In a preferred embodiment of the present invention, the plug body 1 is made of plastic, and the first and

second sealing rings

21 and 22 are made of hot melt adhesive.

As shown in fig. 1 to 3, the plastic plug body 1 supports the sealing of the drain hole 31, connects the first seal ring 21 to the outer end of the sub-fastening portion 12, and connects the second seal ring 22 to the outer end of the main fastening portion 11, so that when the door body 3 is clamped between the sub-fastening portion 12 and the main fastening portion 11, the first seal ring 21 and the second seal ring 22 are baked and are adsorbed around the drain hole 31 after being melted, thereby forming a sealed cavity, and performing a sealing and rust-proof function on the cut edge of the drain hole 31.

The drain hole plug comprises a main clamping part 11, a first sealing ring 21 and a second sealing ring 22, wherein the cross section of the main clamping part 11 is U-shaped, so that the main clamping part 11 forms a cavity structure, when the main clamping part 11 is arranged in a drain hole 31 of a door cover main body 3, the cut edge of the drain hole 31 is inserted into the cavity, the inner end of the main clamping part 11 is hermetically connected with one surface of the door cover main body 3 through the first sealing ring 21, the outer end of the main clamping part 11 is hermetically connected with the other surface of the door cover main body 3 through the second sealing ring 22, and the cut edge of the drain hole 31 of the door cover main body 3 is prevented from rusting. The inner extension 13 extends inward at the inner end of the main engaging portion 11 to control the size of the drain hole 111, so that the drain hole plug can be used in the drain hole 31 of the door body 3 to satisfy both the case where the hole size is large when the electrophoretic fluid is drained and the case where the hole size is small in daily use.

The door cover comprises the drainage hole plug and the door cover main body 3, the door cover main body 3 is provided with the drainage hole 31, and the hole plug main body 1 is arranged in the drainage hole 31.

As shown in fig. 3 and 4, the door body 3 is manufactured into a drain hole 31 with a larger aperture through a stamping process, which is used for discharging electrophoretic fluid during the coating electrophoresis process, in order to accelerate the whole coating electrophoresis process, the aperture of the drain hole 31 is required to be as large as possible, the drain time is shortened, and burrs may be generated at the cut edge of the drain hole 31, because the first sealing ring 21 and the second sealing ring 22 are both made of hot melt adhesive, after the plug body 1 is arranged in the drain hole 31, the first sealing ring 21 and the second sealing ring 22 are respectively abutted against two surfaces of the door body 3, after baking, the first sealing ring 21 and the second sealing ring 22 are melted to respectively form a sealing connection at two opposite surfaces of the door body 3, the drain hole 31 of the door body 3 is sealed in a cavity structure formed by the main clamping part 11 and the auxiliary clamping part 12, and the aperture of the drain hole 31 is reduced through the inner extension part 13, the air tightness of the door cover main body 3 in daily use is improved.

In embodiments of the present invention, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or units must have a specific direction, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the embodiments of the present invention.

In the description herein, the appearances of the phrase "one embodiment," "a preferred embodiment," or the like, are intended to mean 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 embodiments of the utility model. In this specification, the schematic representations of the terms used above do 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.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the present embodiment by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the embodiments of the present invention should be included in the protection scope of the embodiments of the present invention.

Claims

1. A drain plug, comprising:

the hole plug comprises a hole plug body (1), wherein the hole plug body (1) comprises a main clamping part (11), a drain hole (111) is formed in the center of the main clamping part (11), and the cross section of the main clamping part (11) is U-shaped; and

sealing washer subassembly (2), including first sealing washer (21) and second sealing washer (22), first sealing washer (21) set up in the inner of main joint portion (11), second sealing washer (22) set up in the outer end of main joint portion (11) to cut edge to liquid drainage hole (31) on door closure main part (3) and seal.

2. The drain hole plug according to claim 1, wherein the plug body (1) further comprises a sub-fastening portion (12), an inner end of the sub-fastening portion (12) is connected to an inner end of the main fastening portion (11), and an outer end thereof is connected to a side surface of the door cover body (3) away from the main fastening portion (11) through a second sealing ring (22).

3. The drain hole plug according to claim 2, wherein the secondary catching portion (12) is inclined from inside to outside to extend into a cavity defined by the primary catching portion (11).

4. Drain plug according to claim 2, characterised in that the secondary bayonet part (12) is formed integrally or fixedly in one piece with the primary bayonet part (11).

5. The drain plug according to claim 1, wherein the plug body (1) further comprises an inner extension portion (13), the inner extension portion (13) extending from an inner end of the main catching portion (11) toward a center of the drain hole (111) to reduce a hole diameter of the drain hole (111).

6. Drain plug according to claim 5, characterised in that the inner extension (13) is formed integrally or fixedly in one piece with the main catch (11).

7. Drain plug according to claim 1, characterized in that the plug body (1) is made of plastic and the first sealing ring (21) and the second sealing ring (22) are made of hot melt adhesive.

8. A door cover, comprising:

a drain plug according to any of the preceding claims; and

the door cover comprises a door cover body (3), wherein a liquid discharge hole (31) is formed in the door cover body (3), and the hole plug body (1) is arranged in the liquid discharge hole (31).