Atomizing pump core

Abstract

The utility model discloses an atomizing pump core which comprises a pump body, a blank cap is fixed at the upper end of the pump body, a vertically-through liquid inlet channel is arranged at the lower end of the pump body, a vertically-extending valve rod is inserted in the upper end of the pump body in a sliding mode, the valve rod is provided with a vertically-through liquid outlet channel, and a marble used for blocking the liquid inlet channel is placed in the lower end of the pump body. The lower end of the valve rod is sleeved with a piston contained in the upper end of the pump body, a flow guide channel is formed in the piston, a water storage cavity is formed between the lower end of the piston and the lower end of the pump body, and the liquid inlet channel, the water storage cavity, the flow guide channel and the liquid outlet channel are communicated from bottom to top. A spring extending up and down is mounted between the lower end of the piston and the marble; and the area of the upper end face of the piston is larger than that of the lower end face of the piston. The supercharging device is simple in structure and good in supercharging effect.

Description

Technical Field

[0001] The utility model relates to the technical field of spray pump heads, in particular to a spray pump core of a spray pump head. Background Art

[0002] The spray pump core of the prior art spray pump head generally consists of a pump body, a marble, a spring, a valve stem and other components. The marble and the pump body form a one-way valve structure. When in use, the valve stem is pressed to spray out the liquid. However, this spray pump core has no pressurization structure and the spray effect is poor. Utility Model Content

[0003] In view of the above-mentioned defects of the prior art, the purpose of the present utility model is to provide a spray pump core.

[0004] The technical solution of the utility model is: a spray pump core, including a pump body, a blind cover is fixed on the upper end of the pump body, the lower end of the pump body has a liquid inlet channel that passes through from top to bottom, a valve stem extending up and down is slidably inserted on the upper end of the pump body, the valve stem has a liquid outlet channel that passes through from top to bottom, a marble for blocking the liquid inlet channel is placed in the lower end of the pump body, a piston accommodated in the upper end of the pump body is sleeved on the lower end of the valve stem, the piston has a guide channel, a water storage chamber is formed between the lower end of the piston and the lower end of the pump body, the liquid inlet channel, the water storage chamber, the guide channel, and the liquid outlet channel are connected from bottom to top, a plug for blocking the liquid outlet channel is provided at the center position of the upper end of the piston, a spring extending up and down is installed between the lower end of the piston and the marble, and the area of ​​the upper end surface of the piston is larger than the area of ​​the lower end surface of the piston.

[0005] Furthermore, the lower end of the liquid outlet channel has a first socket, the inner diameter of which gradually decreases from bottom to top, and the plug is inserted into the socket. When the plug blocks the liquid outlet channel, the outer wall of the plug is in close contact with the inner wall of the first socket.

[0006] Furthermore, a second socket is provided at the upper end of the liquid inlet channel, and the inner diameter of the second socket gradually decreases from top to bottom. The marble extends into the second socket, and when the marble blocks the liquid inlet channel, the outer wall of the marble is in close contact with the inner wall of the second socket.

[0007] Furthermore, when the valve stem is pressed, the valve stem drives the piston to move downward and presses the spring downward. The spring presses the ball downward, and the ball blocks the liquid inlet channel, increasing the pressure in the water storage chamber. Under the same pressure, the pressure on the upper end face of the piston is greater than the pressure on the lower end face of the piston, forcing the piston to move downward and separate from the valve stem, and the liquid outlet channel opens, so that liquid can be sprayed out from the liquid outlet channel; after releasing the valve stem, the spring resets, and the spring pushes the piston upward, and the plug blocks the liquid outlet channel, reducing the pressure in the water storage chamber, thereby moving the ball upward, separating the ball from the liquid inlet channel, and allowing liquid to enter the water storage chamber.

[0008] The application of the spray pump core provided by the utility model has the beneficial effects of simple structure and good pressurization effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a main schematic diagram of the utility model;

[0010] Figure 2 It is a cross-sectional schematic diagram of the utility model;

[0011] Figure 3 It is an exploded schematic diagram of the utility model.

[0012] As shown in the figure: 1-pump body, 11-liquid inlet channel, 111-second socket, 12-water storage chamber, 2-cover, 3-valve stem, 31-liquid outlet channel, 311-first socket, 4-marble, 5-piston, 51-flow guide channel, 52-plug, 6-spring. DETAILED DESCRIPTION

[0013] In order to more intuitively and completely understand the technical solution of the utility model, the following non-limiting feature description is now provided in conjunction with the accompanying drawings of the utility model:

[0014] like Figure 1 — Figure 3 As shown, the spray pump core comprises a pump body 1, a cover 2 is fixed on the upper end of the pump body 1, a liquid inlet channel 11 is provided at the lower end of the pump body 1, a valve stem 3 extending up and down is slidably inserted at the upper end of the pump body 1, the valve stem 3 has a liquid outlet channel 31 which is passed up and down, a marble 4 for blocking the liquid inlet channel 11 is placed in the lower end of the pump body 1, a piston 5 is sleeved at the lower end of the valve stem 3 and accommodated in the upper end of the pump body 1, the outer wall of the piston 5 contacts the inner wall of the pump body 1, a guide channel 51 is provided in the piston 5, a water storage chamber 12 is formed between the lower end of the piston 5 and the lower end of the pump body 1, the liquid inlet channel 11, the water storage chamber 12, the guide channel 51 and the liquid outlet channel 31 are connected from bottom to top, a plug 52 for blocking the liquid outlet channel 31 is provided at the center position of the upper end of the piston 5, a spring 6 extending up and down is installed between the lower end of the piston 5 and the marble 4, and the area of ​​the upper end surface of the piston 5 is larger than the area of ​​the lower end surface of the piston 5.

[0015] like Figure 2 As shown, the lower end of the liquid outlet channel 31 has a first socket 311, the inner diameter of the first socket 311 gradually decreases from bottom to top, and the plug 52 is inserted into the socket. When the plug 52 blocks the liquid outlet channel 31, the outer wall of the plug 52 is in close contact with the inner wall of the first socket 311.

[0016] like Figure 2 As shown, the upper end of the liquid inlet channel 11 has a second socket 111, the inner diameter of the second socket 111 gradually decreases from top to bottom, and the marble 4 extends into the second socket 111. When the marble 4 blocks the liquid inlet channel 11, the outer wall of the marble 4 is in close contact with the inner wall of the second socket 111.

[0017] When the valve stem 3 is pressed, the valve stem 3 drives the piston 5 to move downward and presses the spring 6 downward, the spring 6 presses the marble 4 downward, the marble 4 blocks the liquid inlet channel 11, and the pressure in the water storage chamber 12 increases. Under the same pressure, the pressure on the upper end face of the piston 5 is greater than the pressure on the lower end face of the piston 5, forcing the piston 5 to move downward and separate from the valve stem 3, the liquid outlet channel 31 opens, and the liquid can be sprayed out from the liquid outlet channel 31; after the valve stem 3 is released, the spring 6 is reset, the spring 6 pushes the piston 5 upward, the plug 52 blocks the liquid outlet channel 31, and the pressure in the water storage chamber 12 is reduced, so that the marble 4 moves upward, the marble 4 is separated from the liquid inlet channel 11, and the liquid can enter the water storage chamber 12. Therefore, the spray pump core provided by the utility model is not only simple in structure, but also has a good pressurization effect.

[0018] Of course, the above are only preferred embodiments of the present invention, and the patent scope of the present invention is not limited thereto. All simple modifications and equivalent structural changes made using the description and drawings of the present invention should be included in the patent protection scope of the present invention.

Claims

1. A spray pump core, comprising a pump body, a cover fixed to the upper end of the pump body, a liquid inlet passage extending vertically through the lower end of the pump body, a valve stem extending vertically and slidably inserted in the upper end of the pump body, the valve stem having a liquid outlet passage extending vertically, a marble for blocking the liquid inlet passage is placed in the lower end of the pump body, characterized in that: The lower end of the valve stem is sleeved with a piston accommodated in the upper end of the pump body, and the piston is provided with a guide channel. A water storage chamber is formed between the lower end of the piston and the lower end of the pump body. The liquid inlet channel, the water storage chamber, the guide channel, and the liquid outlet channel are connected from bottom to top. A plug is provided at the center of the upper end of the piston for blocking the liquid outlet channel. A spring extending up and down is installed between the lower end of the piston and the marble, and the area of ​​the upper end surface of the piston is larger than the area of ​​the lower end surface of the piston.

2. The spray pump cartridge according to claim 1, characterized in that: The lower end of the liquid outlet channel is provided with a first socket, the inner diameter of which gradually decreases from bottom to top, and the plug is inserted into the socket. When the plug blocks the liquid outlet channel, the outer wall of the plug is in close contact with the inner wall of the first socket.

3. The spray pump cartridge according to claim 1, characterized in that: The upper end of the liquid inlet channel is provided with a second socket, the inner diameter of which gradually decreases from top to bottom, and the marble extends into the second socket. When the marble blocks the liquid inlet channel, the outer wall of the marble is in close contact with the inner wall of the second socket.

4. The spray pump cartridge according to claim 1, characterized in that: When the valve stem is pressed, the valve stem drives the piston to move downward and presses the spring downward. The spring presses the ball downward, and the ball blocks the liquid inlet channel, increasing the pressure in the water storage chamber. Under the same pressure, the pressure on the upper end face of the piston is greater than the pressure on the lower end face of the piston, forcing the piston to move downward and separate from the valve stem, the liquid outlet channel opens, and the liquid can be sprayed out from the liquid outlet channel; after releasing the valve stem, the spring resets, and the spring pushes the piston upward, the plug blocks the liquid outlet channel, and the pressure in the water storage chamber is reduced, thereby moving the ball upward, the marble is separated from the liquid inlet channel, and the liquid can enter the water storage chamber.

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