CN219035287U

CN219035287U - Waterproof fastening assembly and waterproof structure

Info

Publication number: CN219035287U
Application number: CN202223600930.XU
Authority: CN
Inventors: 洪应寿; 蓝奇勇
Original assignee: Shenzhen Uni Creator Technology Co ltd
Current assignee: Shenzhen Uni Creator Technology Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-05-16
Anticipated expiration: 2032-12-29

Abstract

The embodiment of the utility model discloses a waterproof fastening assembly and a waterproof structure, wherein the waterproof fastening assembly comprises a fastening piece and a connecting piece which is detachably connected and matched with the fastening piece; the fastener comprises a head part and a rod part, the rod part comprises a polish rod section and a connecting section, the polish rod section is arranged close to the head part, and the polish rod section is sleeved with a sealing element; the connecting piece runs through and is provided with the connecting hole which is connected with the connecting section in a matched way. According to the utility model, the sealing element is arranged on the polish rod section of the rod part of the fastener, and after the sealing element is assembled, the sealing element can be extruded between the gap of the two fastened panels and between the rod part and the gap of the two panels, so that liquid can be prevented from entering the interior of an object to be waterproof through the gap between the two panels and the gap between the rod part and the two panels, and the aim of fully preventing water is fulfilled. In addition, the connecting piece is provided with the connecting hole in a penetrating manner, and as the connecting hole is not a blind hole, liquid can be prevented from being blocked in the connecting hole after assembly.

Description

Waterproof fastening assembly and waterproof structure

Technical Field

The utility model relates to the technical field of mechanical structures, in particular to a waterproof fastening assembly and a waterproof structure.

Background

The waterproof fastening treatment of the panel or the door plate of the outdoor power distribution cabinet is usually carried out by adopting a closed press rivet nut, a blind nut is externally added with a common screw scheme or a scheme of adding sealing gaskets by adopting different screws and sealing rubber rings.

The scheme of adopting blind nut and adding ordinary screw is that the depth of the traditional blind nut is a specified value, and the screw nut is not penetrated, so that the water permeated through the screw hole can be blocked and remained in the interior of the blind nut, the fastening object is influenced, and the blind nut has large volume and high cost.

The screw gasket method can prevent liquid from entering the object from the outside of the two fastened panels, but cannot prevent liquid from entering the object from the gap between the two panels through the gap between the screw hole and the nut screw.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a waterproof fastening assembly and a waterproof structure.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

in one aspect, a waterproof fastening assembly comprises a fastener and a connecting piece detachably connected and matched with the fastener; the fastener comprises a head part and a rod part, the rod part comprises a polish rod section and a connecting section, the polish rod section is arranged close to the head part, and the polish rod section is sleeved with a sealing element; the connecting piece runs through and is provided with a connecting hole which is connected with the connecting section in a matched mode.

The further technical scheme is as follows: the seal member has a cross-sectional area that gradually decreases from one end to the opposite end, the end of the seal member having the larger cross-sectional area being disposed adjacent the head.

The further technical scheme is as follows: the length of the sealing element is the same as the length of the polish rod section.

The further technical scheme is as follows: the sealing piece is made of rubber materials.

The further technical scheme is as follows: the outer peripheral surface of the engagement section is provided with threads.

The further technical scheme is as follows: the connecting hole is a threaded hole matched with the thread.

The further technical scheme is as follows: the head is provided with a screwing opening.

In another aspect, a waterproof structure includes a first panel, a second panel, and the waterproof fastening assembly described above; the first panel and the second panel are oppositely arranged, and the first panel and the second panel are respectively provided with through holes which are suitable for the rod part to pass through.

The further technical scheme is as follows: the length of the polish rod section is greater than the thickness of the whole first panel and the whole second panel.

The further technical scheme is as follows: the aperture of the through hole is larger than the outer diameter of the polish rod section and smaller than the outer diameter of the polish rod section and the whole sealing piece.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the sealing element is arranged on the polish rod section of the rod part of the fastener, and after the sealing element is assembled, the sealing element can be extruded between the gap of the two fastened panels and between the rod part and the gap of the two panels, so that liquid can be prevented from entering the interior of an object to be waterproof through the gap between the two panels and the gap between the rod part and the two panels, and the aim of fully preventing water is fulfilled. In addition, the connecting piece is provided with the connecting hole in a penetrating manner, and as the connecting hole is not a blind hole, liquid can be prevented from being blocked in the connecting hole after assembly.

The foregoing description is only an overview of the present utility model, and is intended to be more clearly understood as being carried out in accordance with the following description of the preferred embodiments, as well as other objects, features and advantages of the present utility model.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an exploded view of a waterproof fastening assembly provided in accordance with an embodiment of the present utility model;

FIG. 2 is an assembly view of a waterproof fastening assembly provided in accordance with an embodiment of the present utility model;

fig. 3 is a schematic structural view of a waterproof structure according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a waterproof structure according to an embodiment of the present utility model.

Reference numerals

1. A fastener; 11. a head; 111. screwing; 12. a stem portion; 121. a polish rod section; 122. a joining section; 2. a seal; 3. a connecting piece; 31. a connection hole; 4. a first panel; 5. a second panel; 6. and a through hole.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described below in conjunction with specific embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be understood that the terms "comprises" and "comprising," when used in this specification and claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

Embodiments of the present utility model provide a waterproof fastening assembly mainly applied to outdoor equipment requiring waterproof sealing, such as outdoor distribution boxes/cabinets, photovoltaic inverters, waterproof junction boxes, and the like, and the present utility model is described below by way of specific embodiments.

As shown in fig. 1 and 2, a waterproof fastening assembly comprises a fastening piece 1 and a connecting piece 3 which is detachably connected and matched with the fastening piece 1; the fastener 1 comprises a head 11 and a rod 12, the rod 12 comprises a polish rod section 121 and a connecting section 122, the polish rod section 121 is arranged close to the head 11, and the polish rod section 121 is sleeved with a sealing element 2; the connecting piece 3 is provided with a connecting hole 31 which is connected and matched with the connecting section 122.

Specifically, the head 11 and the stem 12 are of unitary or split construction, with the head 11 securing the end of the stem 12 remote from the engagement section 122. The cross-section of the head 11 at least in the engagement with the stem 12 is greater than the cross-section of the stem 12, the stem 12 being cylindrical in shape.

By providing the seal 2 on the polish rod section 121 of the shank 12 of the fastener 1, after assembly, the seal 2 can be squeezed between the gap of the two panels being fastened and between the shank 12 and the gap of the two panels, thereby preventing liquid from entering the interior of an object requiring waterproofing through the gap between the two panels and between the shank 12 and the two panels, and achieving the purpose of adequate waterproofing. In addition, the connection member 3 is provided with the connection hole 31 therethrough, and since the connection hole 31 is not a blind hole, it is possible to avoid liquid from being blocked in the connection hole 31 after assembly.

In one embodiment, as shown in FIG. 1, the cross-sectional area of the seal 2 decreases progressively from one end to the opposite end, the larger cross-sectional area end of the seal 2 being disposed adjacent the head 11. The seal 2 is generally conical in shape and this is provided for the purpose of facilitating easy intrusion of the seal 2 between the gap of the two panels being fastened and between the stem 12 and the gap of the two panels.

Preferably, the sealing member 2 is made of rubber material, which has the advantages of high sealing performance and low cost.

In one embodiment, the length of the seal 2 is the same as the length of the polish rod segment 121, thereby allowing for better sealing performance. In other embodiments, the length of the seal 2 is slightly greater than the length of the polish rod segment 121.

In one embodiment, the outer peripheral surface of the engagement section 122 is threaded. The connection hole 31 is a screw hole adapted to screw. Through threaded connection's mode, stable in structure after the connection is difficult for becoming flexible.

In one embodiment, the head 11 is provided with a screw opening 111.

Specifically, the screwing hole 111 is used to facilitate screwing of the fastener 1 after insertion of a driver such as a screwdriver. The screwing opening 111 can be a hexagonal opening, a tetragonal opening, a cross opening or a straight opening, and the edge of the inlet of the screwing opening 111 is provided with a chamfer so as to facilitate the insertion of a screwing tool and prevent slipping during screwing.

The embodiment of the utility model also provides a waterproof structure, as shown in fig. 3 and 4, which comprises a first panel 4, a second panel 5 and a waterproof fastening assembly; the first panel 4 and the second panel 5 are arranged opposite each other, and the first panel 4 and the second panel 5 are each provided with a through hole 6 therethrough for the passage of the shaft 12.

In actual use, the first panel 4 and the second panel 5 may be part of or mounted on a waterproof member or object to be waterproofed.

When the connecting piece is installed, the first panel 4 and the second panel 5 are oppositely arranged and closely attached, the rod part 12 passes through the through hole 6 from the outer side of the first panel 4 and then passes out of the through hole 6 of the second panel 5, and then the connecting piece 3 is connected to the connecting section 122 of the rod part 12. Since the sealing member 2 is gradually pushed into the gap between the first panel 4 and the second panel 5 and the gap between the stem 12 and the two panels during the installation process, the liquid is prevented from entering the interior of the waterproof component or object requiring waterproofing through the gap between the two panels and the gap between the stem 12 and the two panels, and the purpose of adequate waterproofing is achieved.

In one embodiment, the length of the polish rod segment 121 is greater than the thickness of the first panel 4 and the second panel 5 as a whole.

In an embodiment, the aperture of the through hole 6 is larger than the outer diameter of the polish rod section 121 and smaller than the outer diameter of the polish rod section 121 and the sealing element 2 as a whole, so that friendly extrusion can be formed on the sealing element 2 to improve the sealing performance.

While the utility model has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. The waterproof fastening assembly is characterized by comprising a fastening piece and a connecting piece which is detachably connected and matched with the fastening piece; the fastener comprises a head part and a rod part, the rod part comprises a polish rod section and a connecting section, the polish rod section is arranged close to the head part, and the polish rod section is sleeved with a sealing element; the connecting piece runs through and is provided with a connecting hole which is connected with the connecting section in a matched mode.

2. The waterproof fastening assembly of claim 1 wherein the seal tapers in cross-sectional area from one end to the opposite end, the larger cross-sectional area end of the seal being disposed adjacent the head.

3. The waterproof fastening assembly of claim 1 wherein the seal has a length that is the same as the length of the polish rod segment.

4. The waterproof fastener assembly of claim 1, wherein said seal is made of rubber material.

5. The waterproof fastening assembly of claim 1 wherein the outer peripheral surface of the engagement section is threaded.

6. The waterproof fastening assembly of claim 5 wherein the connection hole is a threaded hole that mates with the thread.

7. The waterproof fastening assembly of claim 1 wherein the head is provided with a screw-on opening.

8. A waterproof structure comprising a first panel, a second panel, and the waterproof fastening assembly of any one of claims 1-7; the first panel and the second panel are oppositely arranged, and the first panel and the second panel are respectively provided with through holes which are suitable for the rod part to pass through.

9. The waterproof structure of claim 8, wherein the length of the polish rod section is greater than the thickness of the first panel and the second panel as a whole.

10. The waterproof structure according to claim 8, wherein the hole diameter of the through hole is larger than the outer diameter of the polish rod section and smaller than the outer diameter of the polish rod section and the sealing member as a whole.