The invention discloses an elastic bag foam pump, which comprises a bottle cover (1), an elastic bag (2), a piston rod (3), a piston (4), a liquid inlet one-way valve (6) and a gas inlet one-way valve (8), wherein the elastic bag (2) is a hollow thin-wall bag; the bag opening of the elastic bag is p
The invention discloses an elastic bag foam pump, which comprises a bottle cover (1), an elastic bag (2), a piston rod (3), a piston (4), a liquid inlet one-way valve (6) and a gas inlet one-way valve (8), wherein the elastic bag (2) is a hollow thin-wall bag; the bag opening of the elastic bag is provided with a connection part (2.1); the connection part (2.1) is mounted on an annular wall (1.1) used for connection on the bottle cover (1) in a sealing way; the elastic bag (2) is provided with an inlet hole (1.8) through which an inlet pipe (2.4) is communicated with the bottle cover (1); the gas inlet one-way valve (8) is mounted at one side of the inlet hole (1.8); a piston rod upper end (3.1) is fixed to an upper wall connection part (2.3) of the elastic bag (2); the lower end of the piston rod (3) is provided with the piston (4); and a cylinder (1.2) is arranged in the middle of the bottle cover (1). The elastic bag foam pump has the advantages of simple structure, low cost and easy to use.
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1. An elastic bag foam pump, a bottle cover (1), an elastic bag (2), a piston rod (3), a piston (4), a liquid inlet one-way valve (6) and a gas inlet one-way valve (8), wherein the elastic bag (2) is a hollow thin-wall bag; the bag opening of the elastic bag is provided with a connection part (2.1);
1. An elastic bag foam pump, a bottle cover (1), an elastic bag (2), a piston rod (3), a piston (4), a liquid inlet one-way valve (6) and a gas inlet one-way valve (8), wherein the elastic bag (2) is a hollow thin-wall bag; the bag opening of the elastic bag is provided with a connection part (2.1); the connection part (2.1) is mounted on an annular wall (1.1) used for connection on the bottle cover (1) in a sealing way; the elastic bag (2) is provided with an inlet hole (1.8) through which an inlet pipe (2.4) is communicated with the bottle cover (1); the gas inlet one-way valve (8) is mounted at one side of the inlet hole (1.8); a main body of an elastic bag air pump is made up of the elastic bag and the bottle cover; a main body of a liquid piston pump is made up of the piston rod (3), the piston (4) and a cylinder of the bottle cover; a piston rod upper end (3.1) is fixed to an upper wall connection part (2.3) of the elastic bag (2); the lower end of the piston rod (3) is provided with the piston (4); and a cylinder (1.2) is arranged in the middle of the bottle cover (1), a pipe orifice (1.3) is arranged on the bottom of the cylinder (1.2), the upper end of the pipe orifice (1.3) is provided with the liquid inlet one-way valve (6), the lower end of the pipe orifice (1.3) is communicated with a guide pipe (7); the piston rod (3) is communicated with the piston (4) and stretches into the cylinder (1.2) with the same, an outside wall of the piston form a dynamic sealing to the inner wall of the cylinder (1.2), the elastic bag foam pump is further provided with an outlet mixed channel of liquid and air;the upper end exterior of the cylinder (1.2) on the bottle cover (1) is provided with a storage tank (1.4) surrounded by small annular wall, the storage tank is communicated with a foam tank (1.6) to a bottle cover outlet (1.7), an overflow port (1.5) is arranged between the storage tank (1.4) and the foam tank (1.6), a foam screen (9) is arranged in the foam tank (1.6); a storage tank cover (5) is arranged on the storage tank (1.4) and the foam tank (1.6); the storage tank cover (5) is an elastic body, used for fixing to the annular wall of the storage tank and an outside wall of the foam tank in a sealing way, a first hinge (5.1) is arranged on the storage tank cover (5) and opposite to the overflow port (1.5) to form an outlet one-way valve; the storage tank cover (5) is provided with a circular hole (5.2), through which the piston rod (3) can pass, an annular space formed between the circular hole (5.2) and the piston rod (3) is an air channel of the elastic bag (2); the upper end of the piston (4) is provided with a liquid outlet one-way valve (4.1), the side wall of the piston rod (3) is provided with an outlet hole (3.2) for the flowing of liquid into the storage tank (1.4); a space defined between the storage tank (1.4), the foam tank (1.6) and the storage tank cover (5) is an outlet mixed channel of liquid and air, the outlet mixed channel of liquid and air, the outlet mixed channel outputs foam to a nozzle (2.2) of the elastic bag (2) lower side wall. 2. The elastic bag foam pump according to claim 1, characterized in that the bottle cover (1) is provided with a seal ring (12), a second hinge (12.1) on the seal ring (12) is opposite to a balancing small hole (1.9) of the bottle cover (1).
Matthews, Shaun Kerry; Banks, Stewart; Stonehouse, Kara Catherine, Method of producing foamed cleanser with suspended particles therein and a dispenser therefore.
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