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Fluid discharge gun

A fluid and cylinder technology, used in the field of leaking fluid equipment, can solve the problems of affecting the leaking speed, easy oil leakage, poor sealing effect, etc., and achieve the effect of preventing oil leakage, easy to use, and good sealing effect.

Active Publication Date: 2014-05-07
HUNAN ZIWEI AUTOMOBILE ENVIRONMENTAL PROT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The main problems of the existing fluid discharge gun are that it is not firmly combined with the oil discharge device, the sealing effect is not good, oil leakage is easy, and the design of the needle is unreasonable, which affects the discharge speed

Method used

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Embodiment Construction

[0028] see figure 1 -2, Figure 4 The fluid leaking gun 1 provided by the present invention includes a tubular central rod 101 with a through hole 102, an elastic thimble, a connecting cover, and an unlocking wheel; the elastic thimble is movable in the front end of the central rod 101 and can move axially, and the elastic thimble Comprising a thimble, a spring 119 between the barrel 113 and the center rod 101, the thimble (see Figure 6 ) includes a needle 112 and a cylinder 113 with a through hole 118 at the rear of the needle 112. The needle 112 is connected to the cylinder 113 through a herringbone bracket 127 to increase the flow area c of the fluid entering the cylinder 113. The central rod 101 A fixed ring 114 is provided in the front end of the cylinder, the needle head 112 passes through the fixed ring 114, and the rear end of the cylinder 113 is provided with a limit flange 117 to cooperate with the fixed ring 114; The cover includes an outer shell 116, a lock body...

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Abstract

The invention discloses a fluid discharge gun. The fluid discharge gun comprises a tubular center rod, an elastic ejection pin, a connecting cover and an unlocking wheel, wherein the elastic ejection pin is movably arranged at the front end of the center rod and capable of moving axially, the connecting cover is fixedly arranged on the outer wall of the front part of the center rod, and the unlocking wheel is movably arranged on the outer wall of the middle of the center rod, located behind the connecting cover and capable of rotating; a clamping groove is formed between the connecting cover and the center rod, and an elastic locking bolt extending into the clamping groove for radial motion is arranged on the inner wall of the connecting cover; and a shifting block is arranged on the unlocking wheel and matched with the elastic locking bolt in the radial direction to realize radial motion of the elastic locking bolt. The fluid discharge gun can be matched with an oil drainage device of an oil tank for use, quick connection and disassembly with the oil drainage device can be realized during usage, and the gun is convenient to use; and complete sealing can be realized, oil leakage can be prevented, and quick discharge of fluids can be realized.

Description

technical field [0001] The invention belongs to leaking fluid equipment, in particular to a fluid leaking gun. Background technique [0002] Gearboxes are widely used for speed change in vehicles, ships, and engineering equipment. Oil replacement is an important part of gearbox repair and maintenance. In order to replace the engine oil, the gearbox adopts the structure of setting an oil drain screw on the oil pan. When changing the oil, unscrew the oil drain screw first, drain the waste oil directly from the oil drain hole, and then add new oil from the filler port. Since the oil drain screw must be unscrewed every time the oil is changed, and then screwed on after the oil is drained, the thread of the oil drain hole of the oil pan is easily damaged if the oil is changed too many times or carelessly, resulting in damage to the oil pan, leaking, light If the oil pan needs to be replaced, the engine will be scrapped if it is heavy. The traditional gear box oil drain screw s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16N31/00F16N23/00F16H57/04
Inventor 张学用张梓唯
Owner HUNAN ZIWEI AUTOMOBILE ENVIRONMENTAL PROT CO LTD
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