Skin care product bottle
A technology of skin care products and bottles, applied in the field of packaging bottles, can solve problems such as waste, poor user experience, and users cannot easily squeeze out
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Embodiment 1
[0033] according to Figure 1-Figure 8 As shown, a skin care product bottle described in this embodiment includes a hard bottle body 1, a liquid outlet head 6 fixedly connected to the front end of the bottle body 1, a piston body 7 slidably connected to the bottle body, and fixedly connected to the bottle body. The back cover 3 at the rear end of the body, the pressing inner cover 5 that is slidably connected with the back cover 3, and the pressing outer cover 4 that is rotatably connected with the pressing inner cover 5;
[0034] An inlet valve seat 32 is formed in the middle of the lower end of the rear cover 3; a first valve cavity 322 and a second valve cavity 323 are respectively formed in the inlet valve seat 32; the lower end of the first valve cavity 322 and the second valve cavity The lower ends of the two valve chambers 323 are respectively formed with air inlets 323 leading to the outside of the air inlet valve seat portion 32;
[0035] The lower end of the intake ...
Embodiment 2
[0046] This embodiment makes the following improvements on the basis of Embodiment 1:
[0047] The outer wall of the lower part of the piston body 7 is covered with a piston ring 71; the outer wall of the upper part of the piston head 7 is evenly formed along the circumferential direction with more than two guide protrusions 72 for reducing the friction between the piston body 7 and the inner wall of the bottle.
Embodiment 3
[0049] This embodiment makes the following improvements on the basis of Embodiment 1:
[0050] The piston body 7 includes a circular bottom wall and a circular tube formed on the outer periphery of the upper end of the bottom wall; an annular accommodation portion is formed between the outer periphery of the pressing range adjustment seat 33 and the inner wall of the bottle body 1; the piston body When 7 is located at the limit position of the upper part of the bottle body, the circular tube part is located in the accommodating part.
[0051] When the factory fills the skin care products to the present invention, the circular pipe portion at the upper end of the piston body extends into the accommodating portion, which on the one hand increases the effective volume of the present invention, and can also reduce the total volume of the present invention. Smaller, easy for users to carry.
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