CN215949756U

CN215949756U - Inflator with high air intake rate

Info

Publication number: CN215949756U
Application number: CN202023094144.8U
Authority: CN
Inventors: 林忠辉; 林勇
Original assignee: Chengdu Minya Machinery Equipment Co ltd
Current assignee: Chengdu Minya Machinery Equipment Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2022-03-04
Anticipated expiration: 2030-12-21

Abstract

The utility model discloses an inflator with high air intake rate, and belongs to the technical field of inflators. The air pump comprises an air pumping device and a push rod, wherein the volume of the air pumping device is larger than that of the push rod, and the push rod can be arranged in the air pumping device in a vertically sliding mode. Which can solve the problem of low air intake rate.

Description

Inflator with high air intake rate

Technical Field

The utility model belongs to the technical field of air cylinders, and particularly relates to an air cylinder with high air intake rate.

Background

The pump is an air pump, generally drawing air into the storage area, and is most commonly used at present

The inflator is made of stainless steel, mainly because the stainless steel has the advantages of strong oxidation resistance, long service life, difficult rusting, corrosion resistance, difficult deformation, lead-free safety, high hardness, wear resistance and the like, is durable, and is widely applied to various balls, bicycles, motorcycles and the like.

The inventor finds that the prior arts have at least the following technical problems in the practical use process:

the existing inflator is generally larger than an inflating device fixed below a push rod, and the air inlet efficiency is low.

Disclosure of Invention

In order to overcome the defects, the inventor of the utility model continuously reforms and innovates through long-term exploration and trial and multiple experiments and efforts, and provides an air pump with high air intake rate, which can solve the problem of low air intake rate.

In order to achieve the purpose, the utility model adopts the technical scheme that: the inflator with high air inlet rate comprises an inflating device and a push rod, wherein the inflating device is larger than the push rod in volume, and the push rod can be arranged in the inflating device in a vertically sliding mode.

According to the utility model, a further preferable technical scheme of the inflator with high air intake rate

The method comprises the following steps: still include the base, the base is with inflating device bottom fixed connection.

According to the utility model, a further preferable technical scheme of the inflator with high air intake rate is as follows: still include check valve and check valve main part, the check valve sets up in the check valve main part, check valve main part and base fixed connection, the device of inflating passes through check valve main part and base fixed connection.

According to the utility model, a further preferable technical scheme of the inflator with high air intake rate is as follows: the inflating device comprises a primary pipe, a primary piston, a primary air inlet and an air outlet, the push rod is connected into the primary pipe in a sliding mode, the primary piston is matched with the primary pipe and fixedly connected with the bottom of the push rod, the primary air inlet is formed in the primary piston, the bottom of the primary pipe is fixedly connected with the one-way valve body, and the air outlet is formed in the one-way valve body and communicated with the one-way valve.

According to the utility model, a further preferable technical scheme of the inflator with high air intake rate is as follows: the inflating device further comprises a tertiary tube, a tertiary piston, a tertiary air inlet, radial holes, a secondary piston and a secondary air inlet, the push rod comprises a secondary tube and a tertiary pull rod, the secondary tube is arranged in the primary tube, the tertiary tube is arranged in the secondary tube, the bottom of the tertiary tube is fixedly connected with the one-way valve main body, the tertiary pull rod is arranged in the tertiary tube, the primary piston is matched with a structure formed by the outer wall of the tertiary tube and the inner wall of the primary tube, the primary piston is fixedly connected with the bottom of the secondary tube, the secondary piston is matched with a structure formed by the inner wall of the secondary tube and the outer wall of the tertiary pull rod, the secondary piston is fixedly connected with the upper end part of the tertiary tube, the secondary piston is provided with the radial holes for communicating the secondary tube and the tertiary tube, the tertiary piston is matched with the tertiary tube, and the tertiary piston is fixedly connected with the lower end of the tertiary pull rod, the air outlet is arranged on the one-way valve main body at the bottom of the tertiary tube, the primary air inlet is arranged on the primary piston between the outer wall of the secondary tube and the inner wall of the primary tube, the secondary air inlet is arranged on the primary piston between the inner wall of the secondary tube and the outer wall of the tertiary tube, and the tertiary air inlet is arranged on the tertiary piston.

According to the utility model, a further preferable technical scheme of the inflator with high air intake rate is as follows: the primary tube, the secondary tube and the tertiary tube are parallel to each other, and the tertiary tube is shorter than the primary tube.

According to the utility model, a further preferable technical scheme of the inflator with high air intake rate is as follows: a temporary storage cavity is arranged in the base and is connected with the one-way valve.

According to the utility model, a further preferable technical scheme of the inflator with high air intake rate is as follows: the handle is fixedly connected to the handle seat, the handle seat is detachably and fixedly connected with the upper ends of the third-level pull rods and the diode, and the handle is perpendicular to the third-level pull rods and the diode.

According to the utility model, a further preferable technical scheme of the inflator with high air intake rate is as follows: the primary pipe is in threaded connection with the one-way valve main body, and the one-way valve main body is in threaded connection with the base.

According to the utility model, a further preferable technical scheme of the inflator with high air intake rate is as follows: the bottom of the secondary tube is in threaded connection with the primary piston, and the tertiary pull rod is in threaded connection with the tertiary piston.

Compared with the prior art, the technical scheme of the utility model has the following advantages/beneficial effects:

the air pump comprises an inflating device and a push rod, wherein the push rod slides in the inflating device, and the push rod is smaller than the inflating device. In the utility model, the primary tube is in threaded connection with the check valve body, the check valve body is in threaded connection with the base, the bottom of the secondary tube is in threaded connection with the primary piston, the tertiary pull rod is in threaded connection with the tertiary piston, and the handle seat is detachably and fixedly connected with the tertiary pull rod and the upper end of the secondary tube, so that the disassembly and the assembly are convenient, the quick assembly and disassembly can be realized through the threaded connection, the efficiency is improved, and the transportation is convenient. In addition, the utility model realizes multi-stage inflation through the inflation device and the push rod, and achieves high pressure meeting the performance.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it being understood that the following drawings illustrate only some examples of the present invention and are therefore not to be considered limiting of its scope, as for a person of ordinary skill in the art,

other related drawings can also be obtained from these drawings without inventive effort.

Fig. 1 is a schematic view showing the internal structure of a high air intake rate pump according to the present invention.

Fig. 2 is an internal schematic view of the handle of the pump with high air intake rate of the present invention when pulled up. Fig. 3 is an internal view of the pump with high air intake rate of the present invention when the handle is depressed.

The labels in the figure are respectively: the temporary storage device comprises a primary pipe 1, a primary piston 2, a primary air inlet 3, an air outlet 4, a tertiary pipe 5, a tertiary piston 6, a radial hole 7, a tertiary air inlet 8, a secondary piston 9, a secondary air inlet 10, a secondary pipe 11, a tertiary pull rod 12, a handle 13, a check valve 14, a check valve main body 15, a handle seat 16 and a temporary storage cavity 17.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present invention, not all of the embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the detailed description of the embodiments of the present invention provided below is not intended to limit the scope of the utility model as claimed, but is merely representative of selected embodiments of the utility model.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.

Example (b):

as shown in fig. 1 to 3, the inflator with high air intake rate comprises a primary pipe 1, a primary piston 2, a primary air inlet 3, an air outlet 4, a tertiary pipe 5, a tertiary piston 6, a radial hole 7, a tertiary air inlet 8, a secondary piston 9, a secondary air inlet 10, a secondary pipe 11, a tertiary pull rod 12, a handle 13, a one-way valve 14, a one-way valve body 15, a handle seat 16 and a temporary storage cavity 17. The secondary tube 11 is arranged in the primary tube 1, the tertiary tube is arranged in the secondary tube, the primary piston 2 is arranged in the primary tube 1, the shape of the primary piston 2 is matched with that of the wall of the primary tube 1, so that the primary piston 2 can move back and forth in the primary tube 1, the bottom of the primary tube 1 is fixedly connected with the one-way valve main body 15, for example, in threaded connection, and the primary piston 2 is fixedly connected with the bottom of the secondary tube 11, for example, in threaded connection, welding and the like, namely, the secondary tube can drive the primary piston 2 to move back and forth in the primary tube 1.

The tertiary tube 5 is arranged in the secondary tube 11, the tertiary tube 5 is shorter than the primary tube 1, and the tertiary tube

The tube 5 penetrates through the primary piston 2, the bottom of the tertiary tube is in threaded connection with the check valve main body 15, the top of the tertiary tube 5 is fixedly connected with the secondary piston 9, the secondary piston 9 is arranged in the secondary tube 11, the tertiary pull rod 12 is arranged in the tertiary tube 5, the tertiary piston 6 is fixedly connected with the bottom of the tertiary pull rod 12, for example, the tertiary piston is in threaded connection, welding and the like, and the tertiary pull rod 12 can drive the tertiary piston 6 to move back and forth in the tertiary tube 5.

The three-level pull rod 12 is fixedly connected with the secondary diode, namely, the secondary diode 11 moves together when the three-level pull rod 12 moves. The handle seat 16 is fixedly connected with the diode 11 and the three-level pull rod 12. The bottom of the check valve main body 15 is in threaded connection with the base, the top of the check valve main body is in threaded connection with the primary pipe 1, a check valve 14 is arranged in the check valve main body 15, and the check valve 14 is connected with the bottom of the tertiary pipe 5 through the air outlet 4.

The area enclosed by the check valve main body 15, the primary piston 2, the outer wall of the tertiary pipe 5 and the inner wall of the primary pipe 1 is a primary air chamber. The area enclosed by the secondary piston 9 to the primary piston 2 in the secondary pipe 11 and the area from the tertiary piston 6 to the secondary piston 9 in the tertiary pipe 5 are secondary air chambers, and the two areas are communicated through a radial hole 7 on the secondary piston 9. The area enclosed by the tertiary piston 6 in the tertiary pipe 5 to the bottom one-way valve main body 15 is a tertiary air chamber.

The primary air inlet 3, the secondary air inlet 10 and the tertiary air inlet 8 are all one-way valves. The primary air inlet 3 is arranged on the primary piston 2 between the outer wall of the secondary tube and the inner wall of the primary tube 1, and the primary air inlet 3 communicates the outside with the primary air chamber to allow the outside air to enter the primary air chamber through the primary air inlet 3. The secondary air inlet 10 is arranged on the primary piston 2 between the inner wall of the secondary tube 11 and the outer wall of the tertiary tube 5, and the primary air chamber is communicated with the secondary air chamber through the secondary air inlet 10 to allow compressed air to enter from the primary air chamber to the secondary air chamber. The tertiary air inlet 8 is arranged on the tertiary piston 6, and the secondary air chamber is communicated with the tertiary air chamber through the tertiary air inlet 8, so that compressed air is allowed to enter the tertiary air chamber from the secondary air chamber.

The working principle is as follows:

the first-stage compression air suction process: when the force acting on the handle 13 is upward, the primary air chamber becomes gradually larger in volume.

When the atmospheric pressure is higher than the air pressure in the primary air chamber, the primary air inlet 3 on the primary piston 2 is opened by the atmospheric pressure, and the outside air enters the primary air chamber through a gap between the top of the primary tube 1 and the secondary tube 11. When the handle 13 is pulled up to the topmost end, the one-stage compression suction process is completed.

A first-stage compression process: when the force acting on the handle 13 is downward (namely, the handle 13 is pressed downwards), the secondary tube 11 drives the primary piston 2 to move downwards, the volume of the primary air chamber is gradually reduced, the pressure in the air chamber is increased, the pressure in the chamber is greater than the external atmospheric pressure, and the primary air inlet 3 is closed. And pressing to the bottom, and finishing the primary compression process.

The first-stage compression and exhaust process: when the pressure in the first-stage air chamber is higher than the pressure in the second-stage air chamber along with the downward movement of the first-stage piston 2, the second-stage air inlet 10 is opened, and the compressed air in the first-stage air chamber enters the second-stage air chamber.

And (3) a two-stage compression process: when the force on the handle 13 is upward, the secondary air chamber becomes smaller in volume. The air pressure in the secondary air chamber rises and the secondary air inlet 10 on the primary piston 2 closes.

And (3) secondary compression and exhaust process: when the pressure in the secondary air chamber is higher than that in the tertiary air chamber, the tertiary air inlet 8 on the tertiary piston 6 is opened, and the compressed air in the secondary air chamber enters the tertiary air chamber. Venting is complete when the handle 13 is pulled up to the top. The tertiary inlet port 8 on the tertiary piston 6 is closed.

Three-stage compression process: the force acting on the handle 13 is downward, the tertiary piston 6 moves downward, the volume of the tertiary air chamber is gradually reduced, the pressure is increased, and when the air pressure in the tertiary air chamber is larger than that of the base storage cavity, the one-way valve 14 is opened. The compressed air in the third air chamber enters the temporary base storage cavity 17.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment 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 invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. The first feature being "under," "below," and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or merely indicates that the first feature is at a lower level than the second feature.

The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the utility model, and these modifications and adaptations should be considered within the scope of the utility model.

Claims

1. An inflator with high air intake rate is characterized by comprising an inflating device and a push rod, wherein the inflating device is larger than the push rod in volume, the push rod can be arranged in the inflating device in a vertically sliding manner, a one-way valve is arranged in a one-way valve main body, the one-way valve main body is fixedly connected with a base, the inflating device is fixedly connected with the base through the one-way valve main body, the inflating device comprises a primary pipe, a primary piston, a primary air inlet, an air outlet, a tertiary pipe, a tertiary piston, a tertiary air inlet, a radial hole, a secondary piston and a secondary air inlet, the push rod is connected in the primary pipe in a sliding manner, the primary piston is matched with the primary pipe and is fixedly connected with the bottom of the push rod, the primary air inlet is arranged on the primary piston, the bottom of the primary pipe is fixedly connected with the one-way valve main body, and the air outlet is arranged on the one-way valve main body and is communicated with the one-way valve, the inflating device also comprises a push rod, a second-stage pull rod and a third-stage pull rod, wherein the second-stage pull rod is arranged in the first-stage pipe, the third-stage pipe is arranged in the second-stage pipe, the bottom of the third-stage pipe is fixedly connected with the main body of the one-way valve, the third-stage pull rod is arranged in the third-stage pipe, a first-stage piston is matched with a structure formed by the outer wall of the third-stage pipe and the inner wall of the first-stage pipe, a first-stage piston is fixedly connected with the bottom of the second-stage pipe, a second-stage piston is matched with a structure formed by the inner wall of the second-stage pipe and the outer wall of the third-stage pull rod, the second-stage piston is fixedly connected with the upper end of the third-stage pipe, a radial hole for communicating the second-stage pipe and the third-stage pipe is arranged on the second-stage piston, the third-stage piston is fixedly connected with the lower end of the third-stage pull rod, an air outlet is arranged on the main body of the one-stage valve at the bottom of the third-stage pipe, and a first-stage air inlet is arranged on the first-stage piston between the outer wall of the second-stage pipe and the inner wall of the first-stage pipe, the secondary air inlet is arranged on the primary piston between the inner wall of the secondary tube and the outer wall of the tertiary tube, and the tertiary air inlet is arranged on the tertiary piston.

2. The high air intake rate pump according to claim 1, wherein the primary, secondary and tertiary tubes are parallel to each other, the tertiary tube being shorter than the primary tube.

3. The inflator with high air intake rate according to claim 1 or 2, wherein a temporary storage chamber is provided in the base, and the temporary storage chamber is connected with the check valve.

4. The inflator with the high air intake rate according to claim 3, further comprising a handle seat and a handle, wherein the handle is fixedly connected to the handle seat, the handle seat is detachably and fixedly connected with the upper ends of the tertiary pull rod and the secondary tube, and the handle is perpendicular to the tertiary pull rod and the secondary tube.

5. The high air intake rate inflator according to claim 4, wherein the primary tube is threadedly connected to the check valve body, and the check valve body is threadedly connected to the base.

6. The high air intake rate inflator according to claim 5, wherein the secondary stage bottom is threadedly connected to the primary piston, and the tertiary pull rod is threadedly connected to the tertiary piston.