TWI830601B - Watertight and fixed structure of underwater sealed cabin - Google Patents

Abstract

A watertight structure of an underwater sealed cabin. A cover is provided at the opening of the cabin. The cover has a flange and a cover connected to the flange. A plurality of O-rings are provided on the periphery of the flange to match the opening of the cabin. The opening extends to the inner wall surface of the chamber to form a seal; wherein, corresponding outer tampon ring grooves and inner tampon ring grooves are respectively formed between the periphery of the flange and the inner wall surface of the opening of the cabin, and the cabin The cavity wall of the body is provided with a gap that communicates with the inner tampon ring groove; accordingly, a tampon is inserted along the gap between the inner tampon ring groove and the outer tampon ring groove and contacts The surfaces of the inner tampon ring groove and the outer tampon ring groove form a tight fit and simultaneously fix the cover and the cabin to each other.

Description

Watertight and fixed structure of underwater sealed cabin

The present invention relates to a watertight structure used in an underwater sealed cabin, especially a watertight and fixed structure that can be quickly disassembled and assembled, improves waterproofing effect, and has a long service life.

Underwater sealed cabins are equipment used to waterproof and seal items, components, instruments or equipment for use in underwater environments. For example, an underwater propeller used in diving activities must have a battery installed in a waterproof sealed chamber, and then the battery is electrically connected to an underwater motor equipped with a propeller outside the sealed chamber.

The conventional underwater sealed cabin structure for submersible propellers is to provide a chamber for disposing the battery in the cabin. At least one end of the cabin is formed with an opening connected to the chamber, and the opening is provided with a cover; that is, The inner diameter of the opening is formed with internal threads, the periphery of the flange of the cover is formed with external threads, and a plurality of O-rings are provided on the periphery of the flange. The flange is locked into the opening, and at the same time, the O-rings are pressed to form a seal between the flange and the inner wall of the opening; that is, the conventional underwater sealed cabin completely provides waterproofing function through O-rings.

It is undeniable that the O-ring does provide a certain degree of waterproofing for the horizontal sealing chamber. However, as the diver dives deeper, the greater the water pressure the sealing chamber withstands. When the water pressure reaches a certain level, the O-ring Easily deformed, causing water seepage problems. In addition, the conventional horizontal sealing cabin must lock or loosen the matching external threads and internal threads when assembling or disassembling it. As a result, after repeated disassembly and assembly many times, it is easy to cause thread wear and affect the waterproof effect. Its service life is short.

The purpose of the present invention is to provide a watertight and fixed structure of an underwater sealed cabin that can be quickly disassembled and assembled, has better waterproofing effect, and has a longer service life.

The invention provides a watertight structure of an underwater sealed cabin, which includes: a cabin having a chamber; at least one end of the cabin is formed with an opening communicating with the chamber; and a cover having a flange and a cover connected to the flange. part, the flange is provided with a plurality of O-rings on its periphery, the flange matches the inner wall surface of the opening, and a seal is formed by these O-rings; wherein, the flange periphery is formed adjacent to the cover part There is an outer tampon ring groove; the inner wall surface of the opening is formed with an inner tampon ring groove corresponding to the outer tampon ring groove, and a wall surface connected to the inner tampon ring groove is provided on the wall of the cabin. a notch; and a tampon that is inserted between the inner tampon ring groove and the outer tampon ring groove along the gap and contacts the surfaces of the inner tampon ring groove and the outer tampon ring groove to form adaptation. By inserting the tampon between the inner tampon ring groove and the outer tampon ring groove, the cover and the cabin can be locked and fixed to each other without being able to separate from each other, and the tampon can be quickly removed. After pulling out the space between the inner tampon ring groove and the outer tampon ring groove, the cover and the cabin are detached; in addition, with the tampon tightly arranged on the flange outside the O-ring, it can effectively The blocking water pressure acts directly on the O-ring, causing the O-ring to deform and leak water.

In another embodiment of the present invention, the opening, the cover and the plug may be provided at opposite ends of the cabin.

Preferably, the outer diameter of the tampon is circular, and a circular inner diameter corresponding to the outer diameter of the tampon is formed between the inner tampon ring groove and the outer tampon ring groove. With this structure, the tampon can simultaneously block the inner tampon ring groove and the outer tampon ring groove to prevent the cover and the cabin from being separated, and the tampon can closely contact the inner tampon ring groove and the outer tampon ring groove. The outer tamping strip surrounds the inner surface of the groove to create further waterproofing.

In one embodiment of the present invention, the plug can be made of plastic material. Thereby, the tampon has appropriate elasticity and flexibility, so that it can be smoothly inserted between the annular inner tampon ring groove and the outer tampon ring groove.

Preferably, one end of the plug can be formed with a bent portion. With this structure, when the tampon is inserted between the inner tampon ring groove and the outer tampon ring groove, the bent portion is exposed to a gap, which facilitates the rapid removal of the tampon when the cover needs to be separated from the cabin. Pull out.

Preferably, the bent portion can be provided with a gripping head. With the larger volume of the gripping head, the bent portion can be quickly and stably gripped to extract the tampon.

In order to facilitate understanding of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and embodiments. The drawings illustrate some, but not all, embodiments of the invention. The invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that a thorough understanding of the present disclosure will be provided. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making any progressive efforts fall within the scope of protection of the present invention.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terminology used in the description of the present invention is only for the purpose of describing specific embodiments and is not intended to limit the present invention.

As shown in Figure 1, the underwater sealed cabin provided by the present invention has a circular tubular cabin 10. The opposite ends of the cabin 10 are closed with covers 12A and 12B respectively. The cover 12A is provided with a propeller. The underwater motor (not shown in the figure) is electrically connected to the connector 20.

As shown in FIGS. 1 and 2 , the cabin 10 has a chamber 100 . Openings 101A and 101B communicating with the chamber 100 are respectively formed at opposite ends of the cabin 10 . The side walls of the openings 101A and 101B are respectively provided with notches 102A. , 102B; the inner wall surfaces of the openings 101A and 101B are formed with inner tampon ring grooves 103A and 103B surrounding the circumference. In the preferred embodiment of the present invention, the inner tampon ring grooves 103A and 103B are formed in the openings 101A and 101B. The radial cross section of is semicircular; specifically, the openings 101A and 101B have the same structure.

The covers 12A and 12B are respectively used to close the openings 101A and 101B after the battery 22 (as shown in FIGS. 3 and 4 ) and/or other components are arranged in the chamber 100 of the cabin 10 , and the cover 12A It has basically the same structure as 12B, except that the cover 12A is further provided with a connector 20 for electrically connecting to the underwater motor (the combined structure of the cover 12B and the opening 101B is omitted in FIG. 4 ). Among them, the covers 12A and 12B respectively have flanges 121A and 121B and cover parts 120A and 120B that are integrally connected. The outer diameters of the cover parts 120A and 120B are larger than the outer diameters of the flanges 121A and 121B. The flanges 121A and 121B A plurality of O-ring grooves 122A and 122B are respectively formed on the peripheral wall surface of the flange 121A and 121B in the embodiment shown in FIG. Each O-ring groove 122A, 122B is respectively configured with an O-ring 14A, 14B; in addition, an O-ring groove 122A, 122B closest to the cover portion 120A, 120B is formed at an appropriate position between the cover portion 120A, 120B. An outer tampon ring groove 123A, 123B, the outer tampon ring groove 123A, 123B is semicircular in the radial section of the flange 121A, 121B. When the covers 12A and 12B are respectively matched with the inner wall surfaces of the openings 101A and 101B through their flanges 121A and 121B, the O-rings 14A and 14B are pressed against the inner wall surfaces of 101A and 101B to form a seal. At the same time, the inner tampon ring grooves 103A and 103B correspond to the outer tampon ring grooves 123A and 123B in the radial direction, so that the radially semicircular inner tampon ring grooves 103A and 103B are respectively in contact with the outer tampon ring grooves 123A and 123B. The tampon ring grooves 123A and 123B form a circle in the radial direction, and the inner tampon ring grooves 103A and 103B and the outer tampon ring grooves 123A and 123B also correspond to the notches 102A and 102A provided in the cabin 10 in the radial direction. 102B.

The present invention further provides tampons 16A and 16B for matching between the inner tampon ring grooves 103A and 103B and the outer tampon ring grooves 123A and 123B; preferably, the tampons 16A and 16B can be made of plastic material. formed, and the outer diameter is formed into a circle, so that the tampons 16A, 16B have appropriate elasticity and flexibility; more specifically, the inner tampon ring grooves 103A, 103B and the outer tampon ring grooves 123A, 123B The circular inner diameter formed therebetween corresponds to the circular outer diameter of the plugs 16A and 16B. When the flanges 121A and 121B of the covers 12A and 12B are respectively inserted into the openings 101A and 101B and the cover portions 120A and 120B respectively cover the ends of the openings 101A and 101B, the plug strips 16A and 16B are further passed through the gaps 102A and 101B. 102B penetrates between the inner tampon ring grooves 103A, 103B and the outer tampon ring grooves 123A, 123B, whereby the tampons 16A and 16B simultaneously block the inner tampon ring grooves 103A, 103B and the outer tampon rings. between the ring grooves 123A and 123B to prevent the closures 12A and 12B from being separated from the openings 101A and 101B at both ends of the cabin 10, and the plug strips 16A and 16B can closely contact the inner plug strip ring grooves 103A and 103B and the outer plugs. The inner surfaces of the ring grooves 123A and 123B are used to produce further waterproofing effects (as shown in Figures 4 and 6); that is, when the underwater sealed cabin of the present invention is submerged in the water and the water pressure increases with the deeper the depth, When the water pressure is high, the plug bars 16A and 16B located at the outermost side and harder than the O-rings 14A and 14B can be blocked to prevent the O-rings 14A and 14B from being deformed due to high water pressure. This can improve the underwater sealed cabin. Anti-leakage sealing effect.

In a preferred embodiment of the present invention, a bent portion 161A, 161B can be formed at one end of the tampon bars 16A, 16B, so that when the tampon bars 16A, 16B are inserted into the inner tampon ring grooves 103A, 103B and the outer tampon ring grooves Between grooves 123A and 123B, the bent portions 161A and 161B are exposed to the notches 102A and 102B, so that the plug strips 16A and 16B can be quickly pulled out when the covers 12A and 12B need to be separated from the cabin 10 . Furthermore, the present invention can also use larger gripping heads 18A and 18B on the bent portions 161A and 161B respectively, so that the user's fingers can quickly and stably grasp the bent portions to pull out the tampons 16A and 16A. 16B.

In more detail, after the flanges 121A and 121B of the closures 12A and 12B are respectively inserted into the openings 101A and 101B, the ends 162A and 162B of one end of the plug strips 16A and 16B are passed through the gaps 102A and 102B respectively along the plug. between the inner tampon ring grooves 103A, 103B and the outer tampon ring grooves 123A, 123B and contact the surfaces of the inner tampon ring grooves 103A, 103B and the outer tampon ring grooves 123A, 123B to form a tight fit ; By inserting the plugs 16A and 16B into the structure between the inner plug ring grooves 103A and 103B and the outer plug ring grooves 123A and 123B, the plugs 16A and 16B can connect the covers 12A and 12B to the cabin 10 They are stuck and fixed with each other and cannot be separated from each other, and the plugs 16A and 16B are closely arranged on the flanges 121A and 121B outside the O-rings 14A and 14B, which can effectively prevent the water pressure from directly acting on the O-ring 14A. , 14B causes deformation and water seepage.

As shown in FIGS. 5 and 7 , when the battery 22 in the cabin 10 needs to be charged or replaced or other components need to be repaired and the covers 12A and 12B need to be opened, the plug strips 16A and 16B can be quickly pulled out. between the inner tampon ring grooves 103A, 103B and the outer tampon ring grooves 123A, 123B. At this time, there is no tampon 16A between the inner tampon ring grooves 103A, 103B and the outer tampon ring grooves 123A, 123B. , 16B is stuck, so the covers 12A, 12B and the cabin 10 can be detached.

In the aforementioned embodiment of the present invention, openings 101A and 101B, covers 12A and 12B and plug strips 16A and 16B are provided at opposite ends of the cabin 10 . However, in another embodiment, the opening cover and the plug strip can be provided only at one end of the cabin 10, and the opposite end of the cabin 10 is closed.

Due to the watertight structure of the underwater sealed cabin provided by the present invention, there is no need to tap the cabin and the cover as in the conventional identical or similar products, and the cover and cover must be removed during assembly or disassembly. The matching external threads and internal threads of the cabin are locked or loosened, causing the threads to wear easily and affecting the waterproofing effect. In contrast, the present invention provides an underwater device that can be quickly disassembled and assembled, has better waterproofing effects, and has a longer service life. The watertight and fixed structure of the sealed cabin.

The above-described embodiments only express the preferred embodiments of the present invention, and their descriptions are relatively specific and detailed, but should not be construed as limiting the patent scope of the present invention. It should be noted that for those of ordinary skill in the art, several changes and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention.

10:Cabin 100: Chamber 101A, 101B: opening 102A, 102B: Gap 103A, 103B: Inner plug ring groove 12A, 12B: Cover 120A, 120B: Cover 121A, 121B: Flange 122A, 122B: O-ring groove 123A, 123B: Outer tampon ring groove 14A, 14B: O-ring 16A, 16B: stopper 161A, 161B: Bending part 162A, 162B: End 18A, 18B: Grip head 20:Connector 22:Battery

Figure 1 is a schematic three-dimensional view showing the appearance structure of the underwater sealed cabin of the present invention; Figure 2 is a three-dimensional exploded schematic diagram showing the combination relationship of the main components of the underwater sealed cabin of the present invention; Figure 3 is a schematic plan view showing the overall structure of the underwater sealed cabin of the present invention; Figure 4 is a partial enlarged view of Figure 3, showing that the cover is assembled on the cabin and a plug strip is inserted to fix it; Figure 5 is a partial plan cross-sectional view showing the separation of the cover and the cabin after the plug strip in Figure 4 is pulled out; Figure 6 is a partial perspective cross-sectional view showing that the cover of the underwater sealed cabin of the present invention is assembled on the cabin body and stuffed with plug strips to fix it; Figure 7 is a perspective cross-sectional view showing the separation of the cover and the cabin after the plug strip in Figure 6 has been pulled out.

10:Cabin

100: Chamber

103A: Inner tampon ring groove

12A: Cover

121A:Flange

123A: Outer tampon ring groove

14A:O-ring

16A: Stopper

161A: Bending part

18A: Grip head

20: Connector

Claims (6)

A watertight structure of an underwater sealed cabin, including: A cabin has a chamber, and at least one end of the cabin is formed with an opening communicating with the chamber; and A cover has a flange and a cover connected to the flange. A plurality of O-rings are provided on the periphery of the flange. The flange matches the inner wall surface of the opening and is connected by the O-rings. form a seal; Its characteristics are: An outer tampon ring groove is formed on the periphery of the flange adjacent to the cover; An inner tampon ring groove corresponding to the outer tampon ring groove is formed on the inner wall of the opening, and a gap connected to the inner tampon ring groove is provided on the wall of the cabin; and A tampon is inserted between the inner tampon ring groove and the outer tampon ring groove along the gap and contacts the surfaces of the inner tampon ring groove and the outer tampon ring groove to form a close fit. . The watertight structure of an underwater sealed cabin as claimed in claim 1, wherein the opening, the cover and the plug are provided at opposite ends of the cabin. The watertight structure of the underwater sealed cabin according to claim 1 or 2, wherein the outer diameter of the plug is circular, and the inner plug ring groove and the outer plug ring groove form a pair of opposites. The circular inner diameter should be the outer diameter of the plug. The watertight structure of the underwater sealed cabin according to claim 1 or 2, wherein the plug is made of plastic material. The watertight structure of the underwater sealed cabin according to claim 4, wherein a bent portion is formed at one end of the plug. The watertight structure of the underwater sealed cabin according to claim 5, wherein the bent portion is provided with a gripping head.