CN210371064U

CN210371064U - Manual air pump

Info

Publication number: CN210371064U
Application number: CN201921216199.6U
Authority: CN
Inventors: 林凯杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-04-21
Anticipated expiration: 2029-07-30

Abstract

The utility model provides a manual air pump, which comprises a hemispherical upper pump shell and a hemispherical lower pump shell, a first spring is arranged between the upper pump shell and the lower pump shell, one side of the upper pump shell comprises a lantern ring, one side of the lower pump shell comprises a cylinder body, an upper air valve shell is arranged in the sleeve ring, the tail end of the upper air valve shell is arranged in the cylinder body, an upper air nozzle is arranged at the bottom of the upper air valve shell, a second spring and a hollow upper fixing column are sequentially arranged above the upper air nozzle, an upper moving part, a lower moving part and a third spring are sleeved outside the upper fixed column, an upper key is arranged at the top of the upper moving part, the gas valve comprises an upper gas valve shell, a lower button, a fourth spring, a hollow lower fixing column and a lower gas nozzle, wherein the upper gas valve shell is provided with a cover cap at the top, the lower gas valve shell is arranged at the bottom of the barrel body, and the lower gas valve shell is internally provided with the lower button, the fourth spring, the lower fixing column and. The manual air pump is small in occupied space, convenient to carry and simple and reliable to use.

Description

Manual air pump

Technical Field

The utility model relates to a manual formula air pump.

Background

Air pumps, i.e. "air pumps", are devices that remove air from an enclosed space or add air to an enclosed space. The air pump mainly comprises an electric air pump, a manual air pump and a foot-operated air pump. The manual air pump is an air pump taking hand power as power, and generates air pressure by continuously compressing air through the hand power. Application of a manual air pump: a filled balloon or a small filled pneumatic toy. The existing manual air pump usually adopts a piston type, and air suction or air supply is realized by reciprocating the piston in an air cylinder. The piston type air pump requires high sealing performance of the piston, and particularly when the piston is used for vacuum air extraction, the sealing performance of the piston determines the achievable vacuum degree.

However, the existing manual air pump has large volume and inconvenient carrying, needs large strength when in use, and has large action amplitude in the inflating process, thereby causing inconvenient operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide a manual formula air pump, occupation space is little, conveniently carries, and is simple to use reliable.

The utility model is realized in such a way that the manual air pump comprises a hemispherical upper pump shell and a hemispherical lower pump shell, a first spring is arranged between the upper pump shell and the lower pump shell, one side of the upper pump shell comprises a lantern ring, one side of the lower pump shell comprises a cylinder body, an upper air valve shell is arranged in the sleeve ring, the tail end of the upper air valve shell is arranged in the cylinder body, an upper air nozzle is arranged at the bottom of the upper air valve shell, a second spring and a hollow upper fixing column are sequentially arranged above the upper air nozzle, an upper moving part, a lower moving part and a third spring are sleeved outside the upper fixed column, an upper key is arranged at the top of the upper moving part, the gas valve comprises an upper gas valve shell, a lower button, a fourth spring, a hollow lower fixing column and a lower gas nozzle, wherein the upper gas valve shell is provided with a cover cap at the top, the lower gas valve shell is arranged at the bottom of the barrel body, and the lower gas valve shell is internally provided with the lower button, the fourth spring, the lower fixing column and.

Preferably, the collar is integrally formed with the upper pump housing, and the lower pump housing is integrally formed with the cylinder.

Preferably, the upper movable piece and the lower movable piece are arranged in a hollow manner.

Preferably, the third spring is sleeved outside the upper movable member.

Preferably, the bottom of the upper key abuts against the third spring.

Preferably, the cap is movably connected with the inner wall of the upper air valve shell.

Preferably, the lower key is mounted at the top of the lower fixing column, the fourth spring is sleeved on the outer side of the lower fixing column, and the top of the fourth spring is abutted against the bottom of the lower key.

Preferably, the top of the lower air faucet is arranged in the bottom of the lower fixing column.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that: the upper pump shell and the lower pump shell which are arranged in a hemispherical shape can generate pressure intensity through pressing, and the balloon or the pneumatic toy is inflated through the lower air nozzle; the arranged cap can enable the upper air nozzle to be closed in a pressing state, the lower air nozzle can ventilate at the moment, and after the cap is loosened, the upper air nozzle can be opened to provide air for the interiors of the upper pump shell and the lower pump shell, so that the air can be recycled and inflated, and the use is simple and reliable; the upper pump shell is hemispherical, and the parts are arranged inside the lower pump shell in a hemispherical manner, so that the whole structure occupies small space and is convenient to carry.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an exploded view of a manual air pump provided by the present invention;

fig. 2 is a front view structural diagram of the manual air pump provided by the present invention;

fig. 3 is a left side view structural diagram of the manual air pump provided by the present invention;

fig. 4 is a bottom view of the manual air pump according to the present invention;

fig. 5 is a sectional structural view in the direction of a-a in fig. 4.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1 to 5, the present embodiment provides a manual air pump including an upper pump casing 1 having a hemispherical shape and a lower pump casing 8 having a hemispherical shape, in which the upper pump casing 1 and the lower pump casing 8 have a compressed space, and the joint between the upper pump casing 1 and the lower pump casing 8 is sealed and fixed by epoxy resin. A first spring 9 is arranged between the upper pump shell 1 and the lower pump shell 8, and the first spring 9 has the function of enabling the upper pump shell 1 and the lower pump shell 8 to be automatically reset after being compressed. Go up pump case 1 one side and include the

lantern ring

18, 8 one sides of lower pump case include barrel 19, install upper valve case 7 in the lantern ring 18, upper valve case 7 end is installed in barrel 19 for the space that upper valve case 7 installation took is little, upper valve case 7 bottom is installed and is gone up air cock 12, go up air cock 12 top and install second spring 5 in proper order and be hollow upper fixed post 6, the effect of upper fixed post 6 is the air that can switch on, and makes upper moving part 11, lower moving part 10 stable in structure. The upper fixed column 6 is sleeved with an upper moving part 11, a lower moving part 10 and a third spring 4, the upper moving part 11 and the lower moving part 10 are tubular, and air can be conducted inside the upper moving part 11 and the lower moving part 10. The top of the upper moving part 11 is provided with an upper key 3, the upper key 3 is buckled on the upper moving part 11 to achieve a sealing effect, and the upper moving part 11 can flow air after separation. The upper valve housing 7 is provided with a cap 2 at the top, and the cap 2 can be manually pressed and reset through a second spring 5. The bottom of the cylinder 19 is provided with a lower air valve shell 15, and the joint is sealed and fixed by epoxy glue. The lower valve shell 15 is internally and sequentially provided with a lower key 14, a fourth spring 13, a hollow lower fixing column 16 and a lower air nozzle 17, and the lower air nozzle 17 is a one-way valve body, so that air can be discharged in one direction only, and gas is prevented from flowing back into the lower valve shell 15 on the lower air nozzle 17.

The lantern ring 18 and the upper pump shell 1 are integrally formed, the lower pump shell 8 and the barrel 19 are integrally formed, and the above structure is integrally formed by injection molding of a PVC material.

The upper movable piece 11 and the lower movable piece 10 are arranged in a hollow mode, and air can be conducted between the inner portions of the upper movable piece 11 and the inner portions of the lower movable piece 10.

The third spring 4 is sleeved outside the upper movable member 11. The bottom of the upper key 3 is abutted against the third spring 4, and when the upper key is not pressed, the third spring 4 rebounds, so that the upper movable piece 11 is separated from the lower movable piece 10, air can flow in, and when the upper key is pressed, the upper movable piece 11 is combined with the lower movable piece 10, and the upper movable piece is in a sealing state.

The cap 2 is movably connected with the inner wall of the upper air valve shell 7, a gap is kept between the cap 2 and the upper air valve shell 7, so that the cap can move up and down, and air can enter.

The lower key 14 is mounted at the top of the lower fixing column 16, the fourth spring 13 is sleeved outside the lower fixing column 16, and the top of the fourth spring 13 is abutted against the bottom of the lower key 14, so that the fourth spring 13 can push the lower key 14 open, and air can enter the fixing column 16.

The top of the lower air nozzle 17 is arranged in the bottom of the lower fixing column 16, and air of the lower fixing column 16 can be discharged through the lower air nozzle 17.

When the inflatable balloon is used, the upper movable piece 11 and the lower movable piece 10 can be closed by pressing the cap 2, the upper air nozzle 12 is in a closed state at the moment, and then the upper pump shell 1 and the lower pump shell 8 are pressed by hands, so that air is led out from the lower air nozzle 17 through the lower fixing column 16 to inflate the balloon or the toy; the cover cap 2 is loosened to reset through the second spring 5, the third spring 4 rebounds at the moment, the upper moving part 11 is separated from the lower moving part 10, air enters the upper air nozzle 12 through the upper fixing column 6 and is sucked into the upper pump shell 1 and the lower pump shell 8, inflation is completed, and accordingly the air can be recycled for inflating.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.

Claims

1. The manual air pump is characterized by comprising an upper pump shell (1) and a lower pump shell (8) which are hemispherical, a first spring (9) is installed between the upper pump shell (1) and the lower pump shell (8), one side of the upper pump shell (1) comprises a sleeve ring (18), one side of the lower pump shell (8) comprises a barrel body (19), an upper air valve shell (7) is installed in the sleeve ring (18), the tail end of the upper air valve shell (7) is installed in the barrel body (19), an upper air nozzle (12) is installed at the bottom of the upper air valve shell (7), a second spring (5) and an upper hollow fixed column (6) are sequentially installed above the upper air nozzle (12), an upper movable piece (11), a lower movable piece (10) and a third spring (4) are sleeved outside the upper fixed column (6), an upper key (3) is installed at the top of the upper movable piece (11), go up valve casing (7) top and install block (2), valve casing (15) down are installed to barrel (19) bottom, install down button (14), fourth spring (13), be hollow lower fixed column (16) and air cock (17) down in proper order in the valve casing (15) down.

2. A manual air pump according to claim 1, characterised in that the collar (18) is formed integrally with the upper pump housing (1) and the lower pump housing (8) is formed integrally with the cylinder (19).

3. A manual air pump according to claim 1, characterized in that the upper movable element (11) and the lower movable element (10) are hollow.

4. A manual air pump according to claim 1, characterized in that the third spring (4) is sleeved outside the upper movable member (11).

5. A manual air pump according to claim 1, characterized in that the bottom of the upper button (3) abuts against the third spring (4).

6. A manual air pump according to claim 1, characterized in that the cap (2) is movably connected with the inner wall of the upper air valve housing (7).

7. A manual air pump according to claim 1, wherein said lower button (14) is mounted on the top of the lower fixing post (16), said fourth spring (13) is sleeved on the outer side of the lower fixing post (16), and the top of said fourth spring (13) is abutted against the bottom of the lower button (14).

8. A manual air pump according to claim 1, characterized in that the top of the lower air tap (17) is mounted in the bottom of the lower fixing post (16).