CN210440193U

CN210440193U - Inflator pump structure of plastic cylinder

Info

Publication number: CN210440193U
Application number: CN201920950843.6U
Authority: CN
Inventors: 沈华燕
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-05-01
Anticipated expiration: 2029-06-24

Abstract

The utility model provides an inflator pump structure of plastics cylinder body, includes cylinder body, cylinder cap and installs the piston part in the cylinder body, its characterized in that: the cylinder body is formed by injection molding of modified plastics, and a metal piece for protecting the air outlet is embedded in the position of the air outlet at the upper end of the cylinder body. The cylinder body is formed by plastic injection, and because the plastic has good heat insulation performance, the heat energy in the cylinder body can not be rapidly conducted out of the cylinder, and part of the heat energy is discharged out of the cylinder body through the air outlet hole, so that the air pump has low temperature and good mechanical operation environment; the metal piece is embedded in the position of the air outlet of the cylinder body, so that the high temperature at the position of the air outlet can be borne. The utility model has the advantages of simple and reasonable structure, effectively solved the poor problem of high, the mechanical operational environment of temperature of traditional pump to make the temperature of pump low, mechanical operational environment is good, adopts the plastics shaping simultaneously, also the cost is reduced.

Description

Inflator pump structure of plastic cylinder

Technical Field

The utility model relates to an inflation equipment technical field, concretely relates to pump.

Background

The inflating pump is also called an inflating machine, an inflating pump and an inflating machine, works through the operation of a motor, and is an inflating tool. The working principle of the inflator pump is as follows: when the motor is running and air is pumped out, the valve of the communicating vessel is opened by the atmospheric pressure, the air enters the air cylinder, and when the tire is pumped out, the valve is closed by the atmospheric pressure in the air cylinder, and the air enters the tire. The application field of the inflator pump is wide, and relates to automobiles, motorcycles, bicycles, rubber balls, rubber boats and the like.

The traditional inflator pump generally comprises a cylinder body, a valve seat with an inlet valve and an outlet valve and a cylinder cover, wherein when a piston moves upwards, the inlet valve is closed, the outlet valve is opened, and gas is discharged from an outlet through the outlet valve; when the piston moves downwards, the air inlet valve opens air to enter the cylinder body, and the air outlet valve closes. The cylinder body of the traditional inflator pump is formed by adopting zinc alloy injection molding, seamless steel pipes or aluminum alloy extrusion molding, is made of metal materials, has high strength and firm structure, but has the following defects: above metal material heat-proof quality is relatively poor, because the compressed gas in the cylinder body is exothermic, makes metal material's cylinder body conduct heat energy outside the jar rapidly for the air pump temperature is high, and mechanical operation environment is poor.

Therefore, the cylinder body structure of the traditional inflator pump needs to be improved, so that the temperature of the air pump is reduced, and the mechanical operation environment is good.

Disclosure of Invention

The utility model aims to solve the technical problem that to foretell technical current situation and provide a plastics cylinder body's pump structure for air pump temperature reduces, and mechanical operational environment is good.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides an inflator pump structure of plastics cylinder body, includes cylinder body, cylinder cap and installs the piston part in the cylinder body, its characterized in that: the cylinder body is formed by injection molding of modified plastics, and a metal piece for protecting the air outlet is embedded in the position of the air outlet at the upper end of the cylinder body.

As an improvement, the cylinder body comprises a support and a cylinder sleeve, the cylinder cover is sealed and involuted at the upper end of the cylinder sleeve, the upper end of the cylinder sleeve is a reducing portion involutively connected with the cylinder cover, and the air outlet is formed in the center of the upper end of the reducing portion.

And the cylinder cover is provided with an air outlet, an air inlet and an air outlet, and the lower end surface of the cylinder cover is concavely provided with an air valve structure matched with the air outlet.

And the piston part is a connecting rod piston consisting of a piston and a connecting rod, the piston of the connecting rod piston is movably arranged in the cylinder sleeve up and down, the upper end of the connecting rod is fixedly connected with the piston, and the lower end of the connecting rod extends out of the cylinder sleeve downwards and is connected with a driving mechanism arranged on the bracket.

Furthermore, the driving mechanism comprises a motor, the motor is arranged on the outer side surface of the support, an eccentric gear is arranged on the inner side surface of the support and is meshed with an output gear of the motor, an eccentric shaft of the eccentric gear is rotatably connected with the lower end of the connecting rod, and the connecting rod is driven to move up and down through the rotation of the eccentric gear, so that the piston can move up and down in the cylinder sleeve.

Further, the air inlet is vertically arranged at the middle position of the upper end of the cylinder cover and is positioned on the same straight line with the air outlet hole of the cylinder body, the air outlet is transversely arranged at the side part of the cylinder cover and is connected with the air storage tank.

And finally, the metal piece and the cylinder body are fixedly connected together in an integrated forming way.

Compared with the prior art, the utility model has the advantages of: the cylinder body is formed by plastic injection, and because the plastic has good heat insulation performance, the heat energy in the cylinder body can not be rapidly conducted out of the cylinder, and part of the heat energy is discharged out of the cylinder body through the air outlet hole, so that the air pump has low temperature and good mechanical operation environment; the metal piece for protecting the air outlet hole is embedded in the position of the air outlet hole of the cylinder body, so that the high temperature at the position of the air outlet hole can be borne. The utility model has the advantages of simple and reasonable structure, improve traditional metal cylinder body for the plastics cylinder body that combines the metalwork, effectively solved the temperature height of traditional pump, the poor problem of mechanical operational environment to make the pump temperature low, mechanical operational environment is good, the cost is still reduced simultaneously.

Drawings

FIG. 1 is a schematic sectional view of the structure of the present invention;

FIG. 2 is a right side view of FIG. 1;

fig. 3 is a schematic structural view of the cylinder body of the present invention;

FIG. 4 is a top view of FIG. 3;

FIG. 5 is a schematic structural view of the present invention after the piston is moved upward;

FIG. 6 is a right side view of FIG. 5;

fig. 7 is an exploded view of fig. 1.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1-7, an inflator pump structure of plastic cylinder body, including cylinder body 1, cylinder cap 2 and install the piston part in cylinder body 1, cylinder body 1 adopts modified plastics injection moulding, because plastics heat-proof quality is good, make the heat energy in the cylinder body 1 can not conduct outside the jar rapidly, make the air pump temperature low, mechanical operation environment is better, metal part 13 of protection venthole has been set in the position of upper end venthole 111 of cylinder body 1, improve its heat-resisting strength, in order to do benefit to and bear the high temperature of venthole 111 position. The cylinder body 1 comprises a bracket 12 and a cylinder sleeve 11, the cylinder cover 2 is sealed and involuted at the upper end of the cylinder sleeve 11, the upper end of the cylinder sleeve 11 is a reducing part involutively connected with the cylinder cover 2, and the air outlet 111 is arranged at the central position of the upper end of the reducing part; the section of the air outlet 111 is a Y-shaped structure with a wide upper part and a narrow lower part, the metal piece 13 is in a ring sleeve shape and is embedded on the wall surface of the air outlet 111 and is higher than the upper end surface of the cylinder sleeve 11, and the metal piece 13 and the cylinder body 1 are integrally formed and connected together. Be equipped with out balloon 3 in venthole 111 department, cylinder cap 2 is equipped with air inlet 21 and gas outlet 22, and air inlet 21 is vertical to be seted up in the upper end middle part position of cylinder cap 2, and on the collinear with the venthole 111 of cylinder body 1, the lateral part at cylinder cap 2 is transversely seted up to gas outlet 22, and gas outlet 22 is connected with the gas holder, and the lower terminal surface of cylinder cap 2 is concave to be equipped with the valve structure with 3 matched with of ball of giving vent to anger. The piston part is a connecting rod piston 4 consisting of a piston 41 and a connecting rod 42, the piston 4 of the connecting rod piston 4 is movably arranged in the cylinder sleeve 11 up and down, the upper end of the connecting rod 42 is fixedly connected with the piston 41, and the lower end of the connecting rod 42 extends out of the cylinder sleeve 11 downwards and is connected with a driving mechanism arranged on the bracket 12.

The driving mechanism comprises a motor 5, the motor 5 is arranged on the outer side surface of the support 12, an eccentric gear 6 is arranged on the inner side surface of the support 12, the eccentric gear 6 is meshed with an output gear 51 of the motor 5, an eccentric shaft 61 of the eccentric gear 6 is rotatably connected with the lower end of the connecting rod 42, when the motor 6 rotates, the eccentric gear 6 rotates, the connecting rod 42 is driven to move up and down through the rotation of the eccentric gear 6, and therefore the piston 41 can move up and down in the cylinder sleeve 11.

The working principle refers to the following steps: when the motor 5 is started, the motor 6 rotates, the eccentric gear 6 rotates, the connecting rod 42 is driven to move up and down through the rotation of the eccentric gear 6, when the eccentric shaft 61 of the eccentric gear 6 is positioned at the bottom, as shown in fig. 2, the piston 41 moves downwards, as shown in fig. 1, air enters the cylinder body 1, when the eccentric shaft 61 of the eccentric gear 6 is positioned at a high position, as shown in fig. 6, the piston 41 moves upwards, as shown in fig. 5, the air is discharged out of the cylinder body 1 from the air outlet hole 111, enters the outer air storage tank through the air outlet 22 of the cylinder cover 2, is stored and pressurized, and then is discharged through the.

This embodiment improves traditional metal cylinder body into the plastics cylinder body that combines metalwork 13 for the air pump temperature is low, and mechanical operation environment is better, still the cost is reduced simultaneously.

The foregoing is only 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 technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an inflator pump structure of plastics cylinder body, includes cylinder body, cylinder cap and installs the piston part in the cylinder body, its characterized in that: the cylinder body is formed by plastic injection, and a metal piece for protecting the air outlet hole is embedded in the position of the air outlet hole at the upper end of the cylinder body.

2. The inflator structure of claim 1 wherein: the cylinder body comprises a support and a cylinder sleeve, the cylinder cover is sealed and closed at the upper end of the cylinder sleeve, the upper end of the cylinder sleeve is a reducing portion connected with the cylinder cover in a closing mode, and the air outlet is formed in the center of the upper end of the reducing portion.

3. The inflator structure of claim 2 wherein: the air outlet is of a Y-shaped structure with a wide upper part and a narrow lower part, the metal piece is in a ring sleeve shape and is embedded on the wall surface of the air outlet and higher than the upper end surface of the cylinder sleeve, an air outlet ball is arranged at the air outlet, the cylinder cover is provided with an air inlet and an air outlet, and the lower end surface of the cylinder cover is concavely provided with an air valve structure matched with the air outlet ball.

4. The inflator structure of claim 3 wherein: the piston part is a connecting rod piston consisting of a piston and a connecting rod, the piston of the connecting rod piston can be movably arranged in the cylinder sleeve up and down, the upper end of the connecting rod is fixedly connected with the piston, and the lower end of the connecting rod extends out of the cylinder sleeve downwards and is connected with a driving mechanism arranged on the bracket.

5. The inflator structure of claim 4 wherein: the driving mechanism comprises a motor, the motor is arranged on the outer side surface of the support, an eccentric gear is arranged on the inner side surface of the support and is meshed with an output gear of the motor, an eccentric shaft of the eccentric gear is rotatably connected with the lower end of the piston rod, and the connecting rod is driven to move up and down through the rotation of the eccentric gear, so that the piston moves up and down in the cylinder sleeve.

6. Inflator structure according to any one of claims 3 to 5, characterized in that: the air inlet is vertically arranged in the middle of the upper end of the cylinder cover and is arranged on the same straight line with the air outlet hole of the cylinder body, the air outlet is transversely arranged on the side of the cylinder cover and is connected with the air storage tank.

7. Inflator structure according to any one of claims 1 to 5, characterized in that: the metal piece and the cylinder body are fixedly connected together in an integrated forming mode.