CN212775593U

CN212775593U - Underwater valve and diving equipment with same

Info

Publication number: CN212775593U
Application number: CN202021230478.0U
Authority: CN
Inventors: 吴国松; 刘陈利
Original assignee: Zhuhai Yunzhou Intelligence Technology Ltd
Current assignee: Zhuhai Yunzhou Intelligence Technology Ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-03-23
Anticipated expiration: 2030-06-29

Abstract

The application provides a valve under water, includes: the water inlet and the water outlet are respectively communicated with the first cavity; the piston assembly comprises a piston rod, a piston and a sealing plug, wherein the piston and the sealing plug are respectively arranged at two ends of the piston rod; the sealing plug is arranged at the water inlet, the piston is arranged in the first cavity, and the piston and the shell are enclosed to form a third cavity; the pressure equipment is used for introducing fluid into the third cavity to enable the piston to slide in the second cavity and drive the sealing plug to open the water inlet hole; the piece that resets, the piece that resets is connected between piston and casing to drive the sealing plug and close the inlet opening after pressure equipment closes, and the sealing plug can support tightly the casing under outside hydraulic effect. A diving device comprising the above-mentioned underwater valve. The application provides an underwater valve simple structure, and convenient operation.

Description

Underwater valve and diving equipment with same

Technical Field

The application belongs to the technical field of valves, and more specifically relates to an underwater valve and have its diving equipment.

Background

Underwater equipment, such as diving equipment, is generally applied to underwater valves through which water filling and sealing of the diving equipment are achieved. However, the existing underwater valve has a complex structure and complex operation, which results in high cost and inconvenient operation.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of this application is to provide an underwater valve to solve the complicated technical problem of underwater valve structure that exists among the prior art.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: there is provided an underwater valve comprising:

the water inlet and the water outlet are respectively communicated with the first cavity;

the piston assembly comprises a piston rod, a piston and a sealing plug, wherein the piston and the sealing plug are respectively arranged at two ends of the piston rod; the sealing plug is arranged at the water inlet, the piston is arranged in the first cavity, and the piston and the shell are enclosed to form a third cavity;

the pressure equipment is used for introducing fluid into the third cavity so as to enable the piston to slide in the second cavity and drive the sealing plug to open the water inlet hole;

the resetting piece is connected between the piston and the shell and used for driving the sealing plug to close the water inlet hole after the pressure equipment is closed, and the sealing plug can be tightly abutted against the shell under the action of external water pressure.

In a possible embodiment, the sealing plug is conical, the diameter of the sealing plug decreasing in the direction towards the piston; the water inlet hole is also conical, and the side wall of the water inlet hole is matched with the side wall of the sealing plug.

In a possible embodiment, a first sealing ring is arranged on the side wall of the water inlet hole or the side wall of the sealing plug, and the first sealing ring can be abutted between the side wall of the sealing plug and the side wall of the water inlet hole when the sealing plug is closed.

In a possible embodiment, the water inlet hole, the first cavity and the second cavity are sequentially arranged along the axial direction of the shell, and the water outlet hole is formed in the peripheral wall of the shell;

the water outlet hole extends along the circumference of the shell;

or, a plurality of the water outlet holes are distributed at intervals along the circumference of the shell.

In a possible embodiment, a partition plate is arranged in the housing and used for separating the first cavity from the second cavity, a through hole is formed in the partition plate, the piston rod penetrates through the through hole, and a second sealing ring is abutted between the side wall of the piston rod and the side wall of the through hole.

In a possible embodiment, the return member is a spring, the spring is sleeved on the piston rod, and the spring abuts between the partition plate and the piston.

In a possible embodiment, a third sealing ring is held between the side wall of the piston and the inner wall of the housing.

In a possible embodiment, the housing is provided with an opening communicated with the third chamber, the opening is covered with a cover plate, and the pressure device is connected with the cover plate to introduce fluid into the third chamber.

In a possible embodiment, a fourth sealing ring abuts between the cover plate and the housing.

The application also provides a diving equipment, including above-mentioned underwater valve.

The application provides an underwater valve's beneficial effect lies in: the underwater valve provided by the embodiment of the application has the advantages that the water inlet hole can be opened by the sealing plug under the driving of the pressure device through the piston assembly, the pressure device and the reset piece, the water inlet hole can be tightly closed under the combined action of the reset piece and the external water pressure, the structure is simple, the cost is low, the operation is convenient, and meanwhile, the sealing performance is good. In addition, the diving equipment that this application embodiment provided is through the setting of above-mentioned valve under water for this diving equipment simple structure, the water injection is convenient.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of diving equipment provided in an embodiment of the present application;

FIG. 2 is a schematic view of the underwater valve shown in FIG. 1 in a closed state;

FIG. 3 is a schematic view of the underwater valve shown in FIG. 1 in an open state;

fig. 4 is a schematic structural view of the housing of fig. 2.

Wherein, in the figures, the respective reference numerals:

100. an underwater valve; 10. a housing; 11. a first chamber; 12. a second chamber; 121. a third chamber; 122. a fourth chamber; 13. a water inlet hole; 14. a water outlet hole; 15. mounting grooves; 16. a partition plate; 161. a through hole; 17. an opening; 18. a first mounting ring; 19. a second mounting ring; 20. a piston assembly; 21. a piston rod; 22. a piston; 221. an annular groove; 23. a sealing plug; 30. a pressure device; 40. a reset member; 50. a first seal ring; 60. a second seal ring; 70. a third seal ring; 80. a fourth seal ring; 90. a cover plate; 91. mounting holes; 92. a joint; 200. a housing; 210. a water injection hole; 220. an inner cavity.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

Furthermore, the terms "second", "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "second" or "first" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 3, a subsea valve 100 according to an embodiment of the present application will now be described. The underwater valve 100 is used in a diving apparatus to inject water into the diving apparatus and to seal a water injection hole of the diving apparatus after the diving apparatus is filled with water.

Subsea valve 100 comprises housing 10, piston assembly 20, pressure device 30, and restoring member 40. Piston assembly 20 and reset piece 40 are all installed on casing 10, and pressure equipment 30 is located the outside of casing 10, and pressure equipment 30 is specifically hydraulic pressure equipment or pneumatic pressure equipment.

The housing 10 has a first chamber 11 and a second chamber 12 independent of each other, i.e., the first chamber 11 and the second chamber 12 are not communicated with each other. Still be equipped with inlet opening 13 and apopore 14 on the casing 10, inlet opening 13 and apopore 14 communicate with first chamber 11 respectively, and inlet opening 13 is arranged in supplying outside water to flow into first chamber 11, and apopore 14 is arranged in supplying the rivers in first chamber 11 to go into diving equipment.

The piston assembly 20 includes a piston rod 21, a piston 22 and a sealing plug 23, and the piston 22 and the sealing plug 23 are respectively disposed at two ends of the piston rod 21. The sealing plug 23 is arranged at the water inlet 13, the piston 22 is arranged in the first cavity 11, and the piston 22 and the housing 10 enclose to form a third cavity 121. The pressure device 30 is used for introducing fluid into the third chamber 121 to make the piston 22 slide in the second chamber 12 and drive the sealing plug 23 to open the water inlet hole 13; the restoring member 40 is connected between the piston 22 and the housing 10, and is used for driving the sealing plug 23 to close the water inlet hole 13 after the pressure device 30 is closed, and the sealing plug 23 can be tightly pressed against the housing 10 under the action of external water pressure.

The utility model provides an underwater valve 100 is when using, installs casing 10 in diving equipment's water injection hole 210 department earlier to make 14 settings outwards of the apopore of casing 10, inlet opening 13, first chamber 11 and second chamber 12 all are located diving equipment's inner chamber 220, and the inner chamber 220 intercommunication of apopore 14 and diving equipment. When the submersible vehicle works, firstly, the submersible vehicle is arranged on the water surface, the water inlet 13 is positioned in water, liquid or gas is introduced into the third cavity 121 through the pressure device 30, so that the pressure of the third cavity 121 is increased, the piston 22 is pushed to move in the second cavity 12, the reset part 40 stores energy, and the piston 22 and the sealing plug 23 are respectively arranged at two ends of the piston rod 21, so that the piston 22, the piston rod 21 and the sealing plug 23 synchronously move, the piston 22 moves to drive the sealing plug 23 to move at the water inlet 13, so that the water inlet 13 is opened, and water enters the first cavity 11 from the water inlet 13 and enters the inner cavity 220 of the submersible vehicle through the water outlet 14; when the diving equipment is filled with water, the pressure equipment 30 is closed, and no pressure exists in the third cavity 121, the resetting piece 40 starts to release energy to push the piston 22 to move, so as to drive the sealing plug 23 to close the water inlet 13, the diving equipment submerges in water under the action of gravity, and the sealing plug 23 can tightly close the water inlet 13 under the combined action of external water pressure and the resetting piece 40, so that the sealing performance of the diving equipment is ensured. In fig. 3, the direction indicated by the arrow is the external water pressure direction.

The underwater valve 100 in this embodiment is provided with the piston assembly 20, the pressure device 30 and the reset element 40, so that the sealing plug 23 can open the water inlet hole 13 under the driving of the pressure device 30, and can tightly close the water inlet hole 13 under the combined action of the reset element 40 and the external water pressure, and the underwater valve is simple in structure, low in cost, convenient to operate and good in sealing performance.

In a specific embodiment, referring to fig. 3, the sealing plug 23 is tapered, and the diameter of the sealing plug 23 decreases gradually in a direction approaching the piston 22, that is, the diameter of the sealing plug 23 decreases gradually from the outer side to the inner side of the housing 10. The inlet opening 13 also is the toper, the lateral wall of inlet opening 13 and the lateral wall looks adaptation of sealing plug 23, thus, when pressure equipment 30 exerted pressure to third chamber 121 in, piston 22 can drive sealing plug 23 and remove to the inlet opening 13 outside, thereby can open inlet opening 13, and when piece 40 that resets promotes piston 22, can promote sealing plug 23 inward movement, so that sealing plug 23 lateral wall and inlet opening 13 lateral wall looks butt, thereby realize the sealed of inlet opening 13, can follow sealing plug 23's outside through outside hydroenergy and promote sealing plug 23, further support sealing plug 23 tightly on the inlet opening 13 lateral wall.

In a specific embodiment, referring to fig. 2 and fig. 3, a first sealing ring 50 is disposed on a sidewall of the water inlet 13, specifically, the sidewall of the water inlet 13 is provided with an installation groove 15, the first sealing ring 50 is accommodated in the installation groove 15, and at least a portion of the first sealing ring 50 is exposed out of the installation groove 15, and the first sealing ring 50 can be abutted between a sidewall of the sealing plug 23 and a sidewall of the water inlet 13 when the sealing plug 23 is closed, so as to achieve a sealing connection between the sealing plug 23 and the water inlet 13. It is understood that in other embodiments of the present application, a first sealing ring 50 may be disposed on the sidewall of the sealing plug 23, and the first sealing ring 50 can also be supported between the sidewall of the sealing plug 23 and the sidewall of the water inlet hole 13 when the sealing plug 23 is closed, which is not limited herein.

In a specific embodiment, referring to fig. 2 to 4, the housing 10 is a revolving body, the water inlet 13, the first cavity 11 and the second cavity 12 are sequentially arranged along the axial direction of the housing 10, and the water outlet 14 is formed in the peripheral wall of the housing 10, wherein the peripheral wall of the housing 10 is a circumferential sidewall of the housing 10, the water outlet 14 extends along a circumference of the housing 10, water entering the first cavity 11 can directly enter the inner cavity 220 of the diving equipment from the water outlet 14, and the water outlet 14 extends along a circumference of the housing 10, so that the water outlet speed is fast, and the water filling speed of the diving equipment is further improved. It is understood that in other embodiments of the present application, a plurality of outlet holes 14 may be provided on the housing 10, and the outlet holes 14 are spaced along the circumference of the housing 10, which is not limited herein.

In a specific embodiment, referring to fig. 2 to 4, a partition 16 is disposed in the housing 10, the partition 16 is used for separating the first chamber 11 from the second chamber 12, a through hole 161 is disposed on the partition 16, the piston rod 21 penetrates through the through hole 161, and the second sealing ring 60 is supported between the side wall of the piston rod 21 and the side wall of the through hole 161. The first chamber 11 is separated from the second chamber 12 by the partition 16 and sealed by the second sealing ring 60, so that water in the first chamber 11 does not enter the second chamber 12 and the movement of the restoring member 40 and the piston 22 in the second chamber 12 is not affected.

The partition 16 extends from the inner wall of the casing 10, and the through hole 161 opens the center of the partition 16.

In a specific embodiment, referring to fig. 3, the piston 22 is disposed in the second chamber 12 and divides the second chamber 12 into a third chamber 121 and a fourth chamber 122, the third chamber 121 is in communication with the pressure device 30, and the restoring member 40 is disposed in the second chamber 12. By separating the third chamber 121 from the fourth chamber 122, the fluid in the third chamber 121 does not affect the operation of the resetting member 40, and the fluid pressure and the pushing force of the resetting member 40 are opposite to each other, so that the piston 22 reciprocates in the axial direction of the housing 10, and the sealing plug 23 is opened and closed.

The restoring member 40 is a spring, which is sleeved on the piston rod 21 and is abutted between the partition 16 and the piston 22. In practice, the spring is in an open state when not being subjected to external force, when liquid or gas is added to the third chamber 121, the piston 22 moves downward and presses the spring under the action of fluid pressure, the spring is in a compressed state and stores energy under the action of the pressure of the piston 22, and when the pressure device 30 is closed and the piston 22 is not subjected to pressure, the spring opens and releases energy and pushes the piston 22 upward, thereby realizing the repeated movement of the piston 22.

In an embodiment, referring to fig. 2 and fig. 3, a third sealing ring 70 is supported between the sidewall of the piston 22 and the inner wall of the housing 10, and the third sealing ring 70 is disposed to completely isolate the third chamber 121 from the fourth chamber 122, so that the liquid or gas in the third chamber 121 does not enter the fourth chamber 122.

Specifically, an annular groove 221 is formed in the side wall of the piston 22, the third sealing ring 70 is accommodated in the annular groove 221, and at least a portion of the third sealing ring 70 extends out of the annular groove 221 to abut against the inner wall of the housing 10.

In a specific embodiment, referring to fig. 3 and fig. 4, the housing 10 is provided with an opening 17, the opening 17 and the water inlet 13 are respectively disposed at two ends of the housing 10 along the axial direction, the opening 17 is communicated with the third chamber 121, the opening 17 is covered with a cover plate 90, and the pressure device 30 is connected with the cover plate 90 to introduce the fluid into the third chamber 121. By separately arranging the housing 10 and the cover plate 90, the difficulty in manufacturing the housing 10 is reduced, and the installation of the piston 22, the piston rod 21 and the spring is facilitated.

In the specific embodiment, referring to fig. 2 and fig. 3, the sealing plug 23 is integrally connected to the piston rod 21, and the piston rod 21 is separately connected to the piston 22 and locked by a screw, so that the difficulty in processing the entire piston assembly 20 is reduced, and the difficulty in installing the piston assembly 20 in the housing 10 is also reduced.

The outer peripheral wall of one end of the shell 10 with the opening 17 is extended with a first mounting ring 18, the cover plate 90 is circular, and the edge of the cover plate 90 is overlapped on the first mounting ring 18 and locked by a screw.

In an embodiment, referring to fig. 2 and 3, a fourth sealing ring 80 is supported between the cover plate 90 and the housing 10. By means of the fourth sealing ring 80, water in the inner cavity 220 of the diving equipment is prevented from entering the third chamber 121 to affect the pressure change of the third chamber 121, that is, the pressure of the third chamber 121 is only related to the liquid or gas introduced by the pressure equipment 30.

Referring to fig. 2, a mounting hole 91 is formed in the center of the cover plate 90, a joint 92 is mounted at the mounting hole 91, one end of the joint 92 is communicated with the third chamber 121, the other end of the joint 92 is connected to the pressure device 30, and the pressure device 30 introduces liquid or gas into the third chamber 121 through the joint 92.

Referring to fig. 1, the present application further provides a diving apparatus, which includes a housing 200 and the above-mentioned underwater valve 100, wherein the housing 200 has an inner cavity 220 and a water injection hole 210, and the underwater valve 100 is installed at the water injection hole 210. Specifically, the housing 10 is installed at the water injection hole 210, the pressure device 30 is disposed in the inner cavity 220, the water inlet hole 13 leads to the outside of the water injection hole 210, and the water outlet hole 14 is communicated with the inner cavity 220. This diving equipment is through the setting of above-mentioned valve 100 under water for this diving equipment pours into the convenience, and sealed effectual.

A second mounting ring 19 extends from the outer wall of one end of the casing 10 corresponding to the water inlet 13, and the second mounting ring 19 is stacked on the inner wall of the casing 200 and locked with the casing 200 through screws, so that the underwater valve 100 is fixedly mounted.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. An underwater valve (100), characterized by: the method comprises the following steps:

the water-saving device comprises a shell (10), wherein the shell (10) is provided with a first cavity (11) and a second cavity (12) which are mutually independent, and the shell (10) is also provided with a water inlet hole (13) and a water outlet hole (14) which are respectively communicated with the first cavity (11);

the piston assembly (20), the piston assembly (20) includes the piston rod (21) and locates the piston (22), sealing plug (23) of both ends of the said piston rod (21) separately; the sealing plug (23) is arranged at the water inlet (13), the piston (22) is arranged in the first cavity (11), and the piston (22) and the shell (10) are enclosed to form a third cavity (121);

a pressure device (30), said pressure device (30) being adapted to introduce a fluid into said third chamber (121) to slide said piston (22) in said second chamber (12) and to bring said sealing plug (23) to open said inlet opening (13);

the resetting piece (40) is connected between the piston (22) and the shell (10), and is used for driving the sealing plug (23) to close the water inlet hole (13) after the pressure equipment (30) is closed, and the sealing plug (23) can be abutted against the shell (10) under the action of external water pressure.

2. Subsea valve (100) according to claim 1, characterized in that: the sealing plug (23) is conical, and the diameter of the sealing plug (23) is gradually reduced along the direction close to the piston (22); the water inlet hole (13) is also conical, and the side wall of the water inlet hole (13) is matched with the side wall of the sealing plug (23).

3. Subsea valve (100) according to claim 1, characterized in that: and a first sealing ring (50) is arranged on the side wall of the water inlet hole (13) or the side wall of the sealing plug (23), and the first sealing ring (50) can be abutted between the side wall of the sealing plug (23) and the side wall of the water inlet hole (13) when the sealing plug (23) is closed.

4. Subsea valve (100) according to claim 1, characterized in that: the water inlet hole (13), the first cavity (11) and the second cavity (12) are sequentially arranged along the axial direction of the shell (10), and the water outlet hole (14) is formed in the peripheral wall of the shell (10);

the water outlet hole (14) extends along the circumference of the shell (10);

or, a plurality of the water outlet holes (14) are distributed at intervals along the circumference of the shell (10).

5. Underwater valve (100) according to any of claims 1-4, wherein: be equipped with baffle (16) in casing (10), baffle (16) be used for with first chamber (11) with second chamber (12) separate, be equipped with through-hole (161) on baffle (16), piston rod (21) run through-hole (161), piston rod (21) lateral wall with support between through-hole (161) the lateral wall and hold second sealing washer (60).

6. Subsea valve (100) according to claim 5, characterized in that: the reset piece (40) is a spring, the spring is sleeved on the piston rod (21) and abuts between the partition plate (16) and the piston (22).

7. Underwater valve (100) according to any of claims 1-4, wherein: and a third sealing ring (70) is abutted between the side wall of the piston (22) and the inner wall of the shell (10).

8. Underwater valve (100) according to any of claims 1-4, wherein: an opening (17) communicated with the third cavity (121) is formed in the shell (10), a cover plate (90) is covered at the opening (17), and the pressure device (30) is connected with the cover plate (90) to introduce fluid into the third cavity (121).

9. The subsea valve (100) of claim 8, wherein: and a fourth sealing ring (80) is abutted between the cover plate (90) and the shell (10).

10. Diving equipment, its characterized in that: comprising an underwater valve (100) according to any one of claims 1 to 9.