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CN-224221598-U - Improved all-plastic miniature spray gun

CN224221598UCN 224221598 UCN224221598 UCN 224221598UCN-224221598-U

Abstract

The utility model relates to an improved all-plastic miniature spray gun, which is designed for solving the technical problems that the plastic spring structure of the existing like products is poor in design, so that the production and the assembly are inconvenient, the service life is difficult to stabilize, the pressure intensity at a water inlet hole of a main body is increased, the structural design is poor, and the spraying effect is poor. The main point is that the outer diameter of the cavity opening at the piston cavity at one side of the main body of the all-plastic miniature spray gun is provided with a rubber bullet sleeve, one end sleeve opening of the rubber bullet sleeve is sleeved into the outer diameter of the cavity opening at the piston cavity of the main body, the other end of the rubber bullet sleeve is protruded towards one side of the wrench, one end of the connecting piece is connected with a column groove at the top of a piston part in the main body through the column sleeve of the rubber bullet sleeve, the other end of the connecting piece stretches out of the sleeve opening at the column sleeve of the rubber bullet sleeve and is buckled against the inner side of the wrench, an inner hole of the plug sleeve is provided with a fixed or movable lower bullet piece, an upper bullet piece is arranged above the inner hole of the plug sleeve in a main body water inlet hole between an upper through hole and a lower through hole of the main body, and the upper bullet piece comprises a bullet plug and a bullet cover.

Inventors

  • HUANG HONGHU

Assignees

  • 余姚市奥洪塑业有限公司

Dates

Publication Date
20260512
Application Date
20250710

Claims (6)

  1. 1. The utility model provides an improved generation plastic miniature spray gun, main part (1) and inside channel of this plastic miniature spray gun are L font, the apopore of main part is equipped with head cap (11), the upper and lower both ends of piston chamber one side in the inlet opening of main part are equipped with upper and lower through-hole respectively, the external diameter of main part is equipped with housing (12), the inlet opening department inner race groove of main part is equipped with stopper external member (5), the hole of stopper external member is equipped with the straw, the main part inlet opening external diameter in the stopper external member is equipped with megaring (6), be equipped with the piston chamber in spanner (10) one side piston tube of main part, be equipped with piston (7) in the piston chamber of main part, the piston chamber of main part is gone into to one end piston of piston, the sealing leaf of piston this end external diameter offsets with the piston chamber internal diameter of main part and seals, the other end of piston member is buckled with the inboard of spanner through connecting piece (9), one end of spanner is fixed in the pin of main part apopore department both sides external diameter; the wrench is characterized in that a rubber elastic sleeve (8) is arranged at the outer diameter of a cavity opening at the position of a piston cavity of the main body (1), one end sleeve opening of the rubber elastic sleeve is sleeved into the outer diameter of the cavity opening at the position of the piston cavity of the main body, the other end of the rubber elastic sleeve protrudes towards one side of the wrench toward a column sleeve (801) with the middle reduced, one end of a connecting piece (9) is connected with a column groove (701) at the top of a piston part in the main body through the column sleeve of the rubber elastic sleeve, and the other end of the connecting piece extends out of the sleeve opening at the position of the column sleeve and is buckled and propped against the inner side of the wrench.
  2. 2. The improved full-plastic miniature spray gun according to claim 1, wherein the inner hole of the plug sleeve (5) is provided with a fixed or movable lower spring, an upper spring is arranged above the inner hole of the plug sleeve in a main body water inlet hole between an upper through hole and a lower through hole of the main body (1), the upper spring is propped against and fixed in the water inlet hole of the main body through the plug sleeve, the inner wall of the water inlet hole of the main body is provided with a diversion trench (101), the water inlet hole of the main body is conical, the corresponding upper spring is kept open, the lower through hole of the main body is kept open, and when the upper through hole of the main body drives the piston (7) to move inwards through a spanner (10), the lower spring is stressed to control the water inlet hole of the main body to be opened or closed through pressure change, and meanwhile, the upper spring is stressed to deform to open or close the upper through hole of the main body through pressure change.
  3. 3. The improved all-plastic miniature spray gun according to claim 2, characterized in that the ejection piece comprises an ejection plug (3) and an ejection cover (2), a cover opening at the bottom of the ejection cover is in sealing engagement with an end column part of the ejection plug, the diameter of a column end formed by connecting the cover opening of the ejection cover and the head part of the other end of the ejection plug into a whole is larger than that of a column body at the other end of the ejection cover, the height of the column part of the ejection plug is smaller than that of the column body of the ejection cover, a column cavity is arranged in the ejection plug, and the ejection cover is positioned at an upper through hole of the main body (1).
  4. 4. The improved full-plastic miniature spray gun according to claim 3, wherein the bottom of the spring plug (3) of the upper spring element is provided with a raised cross rib column, the lower spring element is a plastic sheet (4) or a lower spring sleeve, and the plastic sheet in the top inner hole of the plug sleeve element (5) floats up and down through a gap at the bottom of the cross rib column.
  5. 5. An improved all plastic miniature spray gun according to claim 1, characterized in that said plug sleeve (5) is provided with a notch (501) on the side of the top aperture of the bore, said notch being aligned with the lower through hole in the main body (1).
  6. 6. The improved all-plastic miniature spray gun according to claim 1, characterized in that the outer diameter of the plug sleeve (5) is provided with a raised sealing ring (502), one side of the table top above the sealing ring is provided with an air hole, the other side is provided with an inner hole, the inner holes are respectively raised downwards, the edge of the top of the table top is provided with a raised buckling ring, the plug sleeve is fixed on an inner ring groove at the water inlet of the main body (1) through the buckling ring, and the air hole of the plug sleeve is positioned in a cavity groove below the connecting rib of the main body.

Description

Improved all-plastic miniature spray gun Technical Field The utility model relates to a miniature spray gun, in particular to an improved full-plastic miniature spray gun. Background The miniature spray gun, or called miniature sprayer, uses the piston to move in the pump body, so that the gas in the pump body flows, the pressure intensity is reduced, the pressure intensity outside the pump body is unchanged, the pressure intensity difference is generated inside and outside the pump body, the liquid is guided out of the pump body through the pressure intensity difference, and the liquid is atomized instantaneously when the liquid encounters high-speed airflow. The components of the existing micro-sprayer adopt an all-plastic structure, so that the whole micro-sprayer can be conveniently recycled, such as application number 202110954269.3 disclosed in China patent literature, authorized bulletin date 2023.04.07, and the invention name is all-plastic micro-spray gun. However, the plastic spring structure design in the plastic structure of the product and the like is poor, so that the production and the assembly are inconvenient, the service life is difficult to stabilize, the pressure intensity at the water inlet hole of the main body is increased, the structural design is poor, and the spraying effect is poor. Disclosure of Invention In order to overcome the defects, the utility model aims to provide an improved all-plastic miniature spray gun for the field, which mainly solves the technical problems that the plastic spring structure of the existing similar products is poor in design, so that the production and the assembly are inconvenient, the service life is long, the stability is long, the pressure intensity at the water inlet of the main body is increased, the structural design is poor, the spraying effect is poor, and the spraying and liquid inlet effects are poor. The aim is achieved by the following technical scheme. The utility model provides an improved generation plastic miniature spray gun, the main part and the internal channel of this plastic miniature spray gun are L font, the apopore of main part is equipped with the headgear, the both ends are equipped with upper and lower through-hole respectively about the inlet opening inner piston chamber one side of main part, the external diameter of main part is equipped with the housing, inlet opening department inner circle groove of main part is equipped with the stopper external member, the hole of stopper external member is equipped with the straw, the main part inlet opening external diameter in the stopper external member outside is equipped with big circle, be equipped with the piston chamber in spanner one side piston cylinder of main part, the piston intracavity of main part is equipped with the piston spare, the piston intracavity of main part is emboliaed to the piston, the sealing blade of piston this end external diameter offsets sealedly with the piston chamber internal diameter of main part, the other end of piston spare offsets with the inboard lock of spanner through the connecting piece, the one end of spanner is fixed in the pin of main part apopore department both sides external diameter. The structure is characterized in that a rubber elastic sleeve is arranged on the outer diameter of a cavity opening at the position of a piston cavity of the main body, a sleeve opening at one end of the rubber elastic sleeve is sleeved on the outer diameter of the cavity opening at the position of the piston cavity of the main body, the other end of the rubber elastic sleeve protrudes towards one side of the wrench towards the middle of the reduced column sleeve, one end of the connecting piece is connected with a column groove at the top of a piston part in the main body through the column sleeve of the rubber elastic sleeve, and the other end of the connecting piece extends out of the sleeve opening at the position of the column sleeve and is buckled and propped against the inner side of the wrench. The plastic miniature spray gun replaces the existing arched plastic spring with the rubber elastic sleeve, and the rubber elastic sleeve is kept fixed on the outer diameter of the piston cavity of the main body when deformed or reset through the connecting piece, and the connection between the wrench and the piston piece is kept through the connecting piece. The inner hole of the plug sleeve is provided with a fixed or movable lower elastic piece, an upper elastic piece is arranged above the inner hole of the plug sleeve in a main body water inlet hole between an upper through hole and a lower through hole of the main body, the upper elastic piece is propped against and fixed in the water inlet hole of the main body through the plug sleeve, the inner wall of the water inlet hole of the main body is provided with a diversion trench, the water inlet hole of the main body is conical, the corresponding upper elastic piece is conical, the lower throug