CN217632804U

CN217632804U - Air pump applied to underwater breathing machine

Info

Publication number: CN217632804U
Application number: CN202221404774.7U
Authority: CN
Inventors: 江东铸; 胡胜荣
Original assignee: Guangdong Xingzhiji Technology Co ltd
Current assignee: Guangdong Xingzhiji Technology Co ltd
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2022-10-21
Anticipated expiration: 2032-06-01

Abstract

The utility model relates to an air pump for breathing machine under water. Be applied to air pump of breathing machine under water includes: an air pump body for compressing the air sucked from the suction port and ejecting the compressed air from the discharge port; a motor for driving the air pump main body; the motor comprises a shell, a first end cover, a second end cover and a first locking component, wherein one side of the first end cover, which is abutted against the shell, forms a first annular protrusion abutted against the inner peripheral wall of the shell; the motor also comprises a second locking component which is used for urging a second sealing ring sleeved on the shell to simultaneously abut against the peripheral wall of the shell and one side of the second end cover abutting against the shell. The motor has good waterproof performance, can adopt the bubble to dispel the heat in aqueous.

Description

Air pump applied to underwater breathing machine

Technical Field

The utility model relates to a fluid conveying equipment technical field specifically is to relate to an air pump of being applied to breathing machine under water.

Background

The motor of traditional breathing machine under water must dispel the heat with the coolant liquid, in order to reach waterproof requirement, need pack the motor inside the product, or expose the periphery of part and beat waterproof glue and protect. However, the mode causes high production cost, the motor is inconvenient to disassemble, assemble and replace, the motor is a quick-wear part, and the whole underwater breathing machine is usually scrapped due to the damage of the motor in the actual use process.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention has been made to provide an air pump for an underwater breathing machine that overcomes or at least partially solves the above problems.

Be applied to air pump of breathing machine under water includes:

an air pump main body for compressing air sucked from the suction port and discharging the compressed air from the discharge port;

a motor for driving the air pump main body;

the motor comprises a shell, a first end cover and a second end cover, wherein the first end cover and the second end cover respectively cover openings at two ends of the shell, one side of the first end cover, which is abutted against the shell, forms a first annular protrusion abutted against the inner peripheral wall of the shell, and the motor also comprises a first locking component, and the first locking component is sleeved on the outer peripheral wall of the shell and detachably and fixedly connected with the first end cover and is used for urging a first sealing ring sleeved on the shell to simultaneously abut against the outer peripheral wall of the shell and one side of the first end cover, which is abutted against the shell;

the motor further comprises a second locking component, wherein the second locking component is sleeved on the peripheral wall of the shell and detachably and fixedly connected with the second end cover, and is used for enabling a second sealing ring sleeved on the shell to simultaneously abut against one side, which abuts against the shell, of the peripheral wall of the shell and the second end cover.

In one embodiment, the first locking assembly comprises two oppositely arranged locking pieces, each locking piece comprises a semicircular annular sleeve and a first connecting part, the semicircular annular sleeve can be attached to the outer peripheral wall of the shell, the first connecting part is connected with the edge, close to the first end cover, of the semicircular annular sleeve, and the first connecting part is fixedly connected with the first end cover through a connecting piece; the locking pieces also comprise second connecting parts connected with the edges of two ends of the semicircular annular sleeve, and the second connecting parts opposite to the two locking pieces are fixedly connected through a connecting piece; the locking piece is provided with a groove for mounting a first sealing ring at the joint of the semicircular annular sleeve and the first connecting part.

In one embodiment, the second locking assembly comprises two oppositely arranged locking pieces, each locking piece comprises a semicircular annular sleeve which can be attached to the outer peripheral wall of the shell, and a first connecting part which is connected with the edge, close to the second end cover, of the semicircular annular sleeve, and the first connecting part is fixedly connected with the second end cover through a connecting piece; the locking piece also comprises second connecting parts connected with the edges of two ends of the semicircular annular sleeve, and the second connecting parts opposite to the two locking pieces are fixedly connected through a connecting piece; and a groove for mounting a second sealing ring is formed at the joint of the semicircular annular sleeve and the first connecting part of the locking piece.

In one embodiment, the air pump body is provided with an air pipe connector at each of the suction port and the discharge port, and the air pipe connector can realize quick and sealed connection between the suction port and the discharge port and the corresponding air pipe.

In one embodiment, the outgoing line of the motor is sleeved with a wire protecting sleeve at the position extending out of the second end cover of the motor, and the wire protecting sleeve can prevent liquid from entering the interior of the motor through a gap between the outgoing line and the second end cover.

In one embodiment, the free end of the outgoing line is provided with a waterproof electrode plug which can be matched with an electrical interface of the underwater respirator.

The utility model discloses in being applied to the air pump of breathing machine under water, first end cover, second end cover all and sealed tight between the shell, therefore the motor has good waterproof performance, can adopt the bubble to dispel the heat in aqueous, need not to assemble the motor in breathing machine under water inside and/or adopt the waterproof glue to protect to can adopt bolt etc. can dismantle fixed mode installation on the breathing machine under water, the easy replacement of dismouting convenience to can improve the life of breathing machine under water.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the application, are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

fig. 1 is a perspective view of an embodiment of an air pump for an underwater ventilator according to the present invention;

FIG. 2 is a cross-sectional view of the air pump of FIG. 1;

FIG. 3 is a perspective view of the first locking assembly of FIG. 1;

FIG. 4 is an exploded view of the first locking assembly of FIG. 1;

FIG. 5 is a perspective view of an underwater ventilator equipped with the air pump of FIG. 1;

fig. 6 is another perspective view of the underwater respirator equipped with the air pump shown in fig. 1.

Description of reference numerals: 1. an air pump main body; 2. a motor; 3. a cylinder body; 4. a piston; 5. a rotating shaft; 6. a housing; 7. a first end cap; 8. a second end cap; 9. a first annular projection; 10. a first locking component; 11. a first seal ring; 12. a locking member; 13. a second annular protrusion; 14. a second locking assembly; 15. a second seal ring; 16. a gas pipe joint; 17. a wire protecting sleeve; 18. a waterproof electrode plug; 121. a semi-circular ring-shaped sleeve; 122. a first connection portion; 123. a second connecting portion; 124. a groove; 125. a positioning protrusion; 126. and (7) positioning the holes.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but not limiting thereof, and those skilled in the art will appreciate that various changes, modifications, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims and equivalents thereof.

The terms "central," "longitudinal," "transverse," "length," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like, referred to or as may be referred to in the description of the invention, are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Furthermore, the terms "comprises," "comprising," and any variations thereof, are intended to cover non-exclusive inclusions.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

An air pump for use in an underwater breathing apparatus according to an embodiment of the present invention will be described with reference to the accompanying drawings.

Referring to fig. 1 and 2, an air pump for an underwater breathing machine according to an embodiment of the present invention includes an air pump main body 1 and a motor 2. The air pump body 1 is used for compressing the air sucked from the suction port and ejecting the air from the discharge port, for example, the air pump body 1 may include a cylinder 3, a piston 4 engaged with the cylinder 3, and the piston 4 may cause the air to be introduced from the suction port and to be compressed and ejected from the discharge port during the reciprocating motion.

The motor 2 is used for driving the air pump body 1, for example, an output end of a rotating shaft 5 of the motor 2 is connected with the piston 4, and the piston 4 is driven to reciprocate when the motor rotates.

The motor 2 comprises a shell 6, a first end cover 7 and a second end cover 8, wherein the first end cover 7 and the second end cover 8 respectively cover openings at two ends of the shell 6 and are detachably and fixedly connected with the shell 6.

One side of the first end cover 7 abutting against the shell 6 forms a first annular protrusion 9 abutting against the inner peripheral wall of the shell 6, the motor 2 further comprises a first locking component 10, the first locking component 10 is sleeved on the outer peripheral wall of the shell 6 and is detachably and fixedly connected with the first end cover 7, and the first locking component is used for enabling a first sealing ring 11 sleeved on the shell 6 to simultaneously abut against the outer peripheral wall of the shell 6 and one side of the first end cover 7 abutting against the shell 6. The seal between the first end cap 7 and the housing 6 can be tightened by the above structure.

Referring now to fig. 3 and 4, in one embodiment, the first locking assembly 10 includes two locking members 12 disposed opposite to each other, the locking members 12 include a semi-circular sleeve 121 capable of being tightly attached to the outer peripheral wall of the housing 6, and a first connecting portion 122 connected to an edge of the semi-circular sleeve 121 close to the first end cap 7, the first connecting portion 122 is fixedly connected to the first end cap 7 by a connecting member, such as a bolt, so as to fixedly connect the locking members 12 to the first end cap 7. The locking member 12 further includes second coupling portions 123 coupled to both end edges of the semi-circular sleeve 121, and the second coupling portions 123 of the two locking members 12 are fixedly coupled to each other by a coupling member, such as a bolt, so that the two locking members 12 are attached to the outer circumferential wall of the housing 6. The locking member 12 has a groove 124 formed at a joint of the semi-circular sleeve 121 and the first connecting portion 122 for mounting the first sealing ring 11.

In order to facilitate the butt positioning of the two locking positions, the second connecting portion 123 of one of the locking members 12 is formed with a positioning protrusion 125 on the side facing the second connecting portion 123 opposite to the other locking member 12, and the second connecting portion 123 of the other locking member 12 is formed with a positioning hole 126 engaged with the positioning protrusion 125.

Returning to fig. 1 and 2, a second annular protrusion 13 abutting against the inner peripheral wall of the housing 6 is formed on a side of the second end cover 8 abutting against the housing 6, and the motor 2 further includes a second locking component 14, where the second locking component 14 is sleeved on the outer peripheral wall of the housing 6 and is detachably and fixedly connected with the second end cover 8, and is used for urging a second sealing ring 15 sleeved on the housing 6 to abut against both the outer peripheral wall of the housing 6 and a side of the second end cover 8 abutting against the housing 6. The second end cap 8 and the housing 6 can be tightly sealed by the above structure.

In one embodiment, the second locking assembly 14 has a structure identical to that of the first locking assembly 10, i.e. it also includes two oppositely disposed locking members 12, the locking members 12 include a semi-annular sleeve capable of abutting against the outer peripheral wall of the housing 6, and a first connecting portion connected to an edge of the semi-annular sleeve near the second end cap 8, and the first connecting portion is fixedly connected to the second end cap 8 by a connecting member, such as a bolt, so as to fixedly connect the locking members 12 to the second end cap 8. The locking pieces 12 further include second connecting portions connected to edges of both ends of the semicircular annular sleeve, and the second connecting portions opposite to the two locking pieces 12 are fixedly connected by a connecting member, such as a bolt, so that the two locking pieces 12 are attached to the outer peripheral wall of the housing 6. A groove for installing a second sealing ring 15 is formed at the joint of the semicircular annular sleeve and the first connecting part of the locking piece 12.

In order to facilitate the butt positioning of the two locking positions, a positioning protrusion is formed on one side of the second connecting portion of one locking member 12 facing the second connecting portion opposite to the other locking member 12, and a positioning hole matched with the positioning protrusion is formed on the second connecting portion of the other locking member 12.

In this embodiment, between first end cover 7 and the shell 6, it is all sealed tight between second end cover 8 and the shell 6, therefore motor 2 has good waterproof performance, can adopt bubble to dispel the heat in aqueous, need not to assemble motor 2 inside the breathing machine under water and/or adopt the waterproof glue to protect to can adopt on the bolt etc. can dismantle fixed mode installation breathing machine under water, the easy replacement of dismouting convenience, thereby can improve the life of breathing machine under water.

The air pump can further improve the waterproof performance of the air pump by adopting one or more other modes, for example, the air inlet and the air outlet of the air pump main body 1 are both provided with air pipe connectors 16, and the air pipe connectors 16 can realize the quick and sealed connection of the air inlet and the air outlet and corresponding air pipes.

For another example, the outgoing line of the motor 2 is sleeved with a wire protecting sleeve 17 at a position extending out of the second end cover 8 of the motor 2, and the wire protecting sleeve 17 can prevent liquid from entering the motor 2 through a gap between the outgoing line and the second end cover 8.

For another example, the free end of the lead-out wire is provided with a waterproof electrode plug 18 capable of being matched with an electrical interface of an underwater respirator.

In this embodiment, motor 2 has good waterproof performance, can adopt the bubble to dispel the heat in aqueous to can adopt on the fixed mode of dismantling such as bolt installs the breathing machine under water, the dismouting is convenient and easy to be replaced, thereby can improve the life of breathing machine under water.

Claims

1. An air pump for use in an underwater ventilator, comprising:

a motor for driving the air pump main body;

the motor comprises a shell, a first end cover, a second end cover, a first locking component and a second locking component, wherein the first end cover and the second end cover respectively cover openings at two ends of the shell, one side of the first end cover, which is abutted against the shell, forms a first annular protrusion abutted against the inner peripheral wall of the shell, the first locking component is sleeved on the outer peripheral wall of the shell and is detachably and fixedly connected with the first end cover, and the first locking component is used for enabling a first sealing ring sleeved on the shell to be simultaneously abutted against the outer peripheral wall of the shell and one side, which is abutted against the shell, of the first end cover;

2. The air pump applied to the underwater respirator as claimed in claim 1, wherein: the first locking component comprises two locking pieces which are oppositely arranged, each locking piece comprises a semicircular annular sleeve which can be tightly attached to the outer peripheral wall of the shell and a first connecting part which is connected with the edge, close to the first end cover, of the semicircular annular sleeve, and the first connecting part is fixedly connected with the first end cover through a connecting piece; the locking pieces also comprise second connecting parts connected with the edges of two ends of the semicircular annular sleeve, and the second connecting parts opposite to the two locking pieces are fixedly connected through a connecting piece; the locking piece is provided with a groove for installing a first sealing ring at the joint of the semicircular annular sleeve and the first connecting part.

3. The air pump applied to the underwater respirator as set forth in claim 1, wherein: the second locking assembly comprises two oppositely arranged locking pieces, each locking piece comprises a semicircular annular sleeve and a first connecting part, the semicircular annular sleeve can be attached to the outer peripheral wall of the shell, the first connecting part is connected with the edge, close to the second end cover, of the semicircular annular sleeve, and the first connecting part is fixedly connected with the second end cover through a connecting piece; the locking piece also comprises second connecting parts connected with the edges of two ends of the semicircular annular sleeve, and the second connecting parts opposite to the two locking pieces are fixedly connected through a connecting piece; and a groove for mounting a second sealing ring is formed at the joint of the semicircular annular sleeve and the first connecting part of the locking piece.

4. The air pump applied to the underwater respirator as claimed in claim 1, wherein: the air pump body is characterized in that air pipe connectors are arranged on the suction inlet and the discharge outlet of the air pump body, and the air pipe connectors can realize quick and sealed connection of the suction inlet and the discharge outlet with corresponding air pipes.

5. Air pump for use in an underwater breathing machine according to any one of claims 1 to 4, wherein: the lead-out wire of motor is equipped with the protect line cover in stretching out motor second end cap department cover, the protect line cover can prevent that liquid from getting into inside the motor through the gap between lead-out wire and the second end cap.

6. Air pump for use in an underwater breathing machine according to claim 5, characterized in that: and the free end of the outgoing line is provided with a waterproof electrode plug which can be matched with an electrical interface of the underwater breathing machine.