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an air pump

An air pump and pump body technology, applied in the field of exhaust devices, can solve the problems of high labor intensity, high cost of emptying, high risk factor, etc.

Active Publication Date: 2016-01-27
江苏惍鼎机械制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the problems that the existing centrifugal pump needs to be manually transported to discharge the air inside the pump body when it is emptied before operation, the labor intensity is relatively high, human resources are seriously wasted, the cost of evacuation is high, and the risk factor is relatively large. , the invention discloses an air pump to achieve the purpose of quickly emptying the centrifugal pump, reducing labor intensity, reducing the number of operators, reducing the cost of emptying, and ensuring work safety

Method used

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Experimental program
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Effect test

Embodiment 1

[0031] Such as figure 1 , 3 As shown in , 4, a kind of suction pump comprises pump body 1, is positioned at the piston 2 inside pump body 1, and the transmission mechanism 3 that drives piston 2 to move; The air chamber 4 and the air outlet chamber 5 are provided with an air inlet 13 under the pump body 1, and an air inlet pipe 15 is connected to the air inlet 13, and the other end of the air inlet pipe 15 is connected with a centrifugal pump (not shown). 13 is also provided with an intake valve 14, which drives the piston to move through the transmission mechanism 3, and the gas in the centrifugal pump enters the intake chamber 4 through the intake pipe 15, and the gas in the intake chamber 4 passes through the piston 2 and the pump by pressing down the piston 3. The gap between the bodies enters the air outlet cavity 5 and is discharged.

[0032] The pump body 1 is formed by fixing and combining the upper cover 11 and the base 12. The upper cover 11 and the base 12 are det...

Embodiment 2

[0045] Such as figure 2 As shown, the rest is the same as that of Embodiment 1, except that the transmission mechanism 3 includes a connecting rod 31 protruding into the pump body 11 to connect with the piston 2, and a crank 32 that drives the connecting rod 31 to move. The rotation of the crank drives the connecting rod to move up and down. When the connecting rod moves up and down, it will tilt at a certain angle. However, because the piston is an elastic part, the collision between the piston and the pump body is avoided to avoid damage.

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Abstract

The invention relates to an air extracting pump comprising a pump body, a piston and a transmission mechanism, wherein the piston is arranged in the pump body, and the transmission mechanism drives the piston to move; the piston divides the inner side of the pump body into an upper chamber and a lower chamber, namely a gas charging chamber and a gas discharging chamber, and a gas inlet is arranged in the lower part of the pump body, is connected with a gas charging pipe and is further provided with a gas charging valve. According to the air extracting pump disclosed by the invention, the interior of a centrifugal pump is emptied through the movement of the piston, and water is automatically extracted in the centrifugal pump by utilizing the differential pressure between the inner side of the centrifugal pump and the exterior of the centrifugal pump, so that the work efficiency is improved, the labor strength is reduced, the number of operators is reduced, the empty cost is reduced, and a purpose of ensuring the operation safety is ensured.

Description

technical field [0001] The invention relates to an exhaust device, in particular to an air suction pump used on a centrifugal water pump. Background technique [0002] The centrifugal pump is designed according to the principle of centrifugal force. The high-speed rotating impeller blades drive the water to rotate and throw the water out, so as to achieve the purpose of transportation. [0003] The reason why the centrifugal pump can send water out is due to the centrifugal force. Before the pump works, the pump body and the water inlet pipe must be filled with water to form a vacuum state. When the impeller rotates rapidly, the blades make the water rotate quickly, and the rotating water flies away from the impeller under the action of centrifugal force, and the water in the pump After being thrown, the central part of the impeller forms a vacuum area. The water from the water source is pressed into the water inlet pipe through the pipe under the action of atmospheric pre...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04D9/04
Inventor 徐士国徐士祥
Owner 江苏惍鼎机械制造有限公司