Pumping pressure type replaceable vacuum bottle

Abstract

The utility model discloses a pump pressure type replaceable vacuum bottle which comprises a bottle body, an inner container and a bottle cap, the bottle cap comprises a pump core, a first lining, a second lining and a pump cover, the lower end portion of the second lining is fixedly sleeved on the first lining, the pump cover is sleeved on the second lining, the pump cover moves up and down relative to the second lining, an annular boss is formed on the inner side wall of the upper end portion of the bottle body, and the inner container is arranged on the pump core. A first limiting protrusion, a second limiting protrusion and a third limiting protrusion are formed on the portion, above the boss, of the inner side wall of the bottle body, the first limiting protrusion extends in the circumferential direction of the inner side wall of the bottle body, and the second limiting protrusion and the third limiting protrusion are arranged on the front side and the rear side of the first limiting protrusion in the extending direction. The bottle cap and the bottle body can be rapidly, conveniently and detachably clamped through the guide protrusion on the bottle cap and the limiting protrusion on the bottle body, the inner container and the bottle cap are fixedly connected, the inner container can be conveniently taken down when the bottle cap is disassembled, and rapid replacement of the inner container is achieved.

Description

Technical Field

[0001] The utility model belongs to the field of cosmetic containers, and particularly relates to a pump-type replaceable vacuum bottle. Background Art

[0002] At present, most cosmetic bottles are disposable or have replaceable inner liners. When the cosmetics such as creams in the cosmetic bottle are used up, if it is a disposable cosmetic bottle, usually the cosmetic bottle is directly discarded, which will cause waste of packaging. Especially for pump-type disposable cosmetic bottles, the cost of such cosmetic bottles is higher and the waste is more serious. For the replaceable inner liner type, due to the complex structure, the combination of the pump type and the replaceable type cannot be achieved. Therefore, how to achieve the combination of a replaceable inner liner type cosmetic bottle and a pump-type replaceable vacuum bottle is an urgent problem to be solved at present. Summary of the Invention

[0003] The purpose of the utility model is to provide a pump-type replaceable vacuum bottle, which can not only replace the inner liner but also pump out creams, is not only convenient to use but also can save the use cost.

[0004] To achieve the above purpose, the technical scheme adopted by the utility model is: a pump-type replaceable vacuum bottle, which includes a bottle body, an inner liner and a bottle cap. The bottle cap and the inner liner are fixedly connected. The upper end of the bottle body is open. The bottle cap includes a pump core, a first bushing fixedly sleeved on the lower end of the pump core, a second bushing fixedly sleeved on the lower end of the first bushing, and a pump cover sleeved on the second bushing. The pump cover moves up and down relative to the second bushing. An annular boss is formed on the inner side wall of the upper end of the bottle body. On the inner side wall of the bottle body above the boss, a first limit protrusion, a second limit protrusion and a third limit protrusion are formed. The first limit protrusion extends along the circumferential direction of the inner side wall of the bottle body. The second limit protrusion and the third limit protrusion are arranged on the front and rear sides in the extending direction of the first limit protrusion. A first guiding protrusion is arranged on the outer peripheral surface of the lower end of the second bushing. When the second bushing is inserted into the bottle body and advances to the lower limit position, rotate the bottle cap. The first guiding protrusion squeezes through the third limit protrusion and is stuck in the space surrounded by the boss, the first limit protrusion, the second limit protrusion and the third limit protrusion. The second limit protrusion restricts the freedom of rotation of the first guiding protrusion. Without damaging the second limit protrusion, the first guiding protrusion cannot squeeze through the first limit protrusion and the second limit protrusion. Without external force, the first guiding protrusion cannot squeeze through the third limit protrusion. With external force, the first guiding protrusion can squeeze through the third limit protrusion.

[0005] In another embodiment, the second limit protrusion and the third limit protrusion extend on the inner side wall of the bottle body along the axial direction parallel to the bottle body.

[0006] In another embodiment, a plurality of second guiding protrusions extending along the circumferential direction of the inner sidewall of the bottle body are formed on the inner sidewall of the bottle body above the first limiting protrusion. A guiding opening is formed between two adjacent second guiding protrusions. When the first guiding protrusion is aligned with the guiding opening, the bottle cap can be inserted into the bottle body.

[0007] In another embodiment, a fourth limiting protrusion is provided on the outer peripheral surface of the lower end portion of the pump cap. When the first guiding protrusion is stuck in the space surrounded by the boss, the first limiting protrusion, the second limiting protrusion and the third limiting protrusion, the fourth limiting protrusion is stuck below the second guiding protrusion.

[0008] In another embodiment, a first guiding groove and a second guiding groove extending downward from the upper end surface are formed on the outer sidewall of the upper end portion of the second bushing. A third guiding protrusion matching both the first guiding groove and the second guiding groove is provided on the inner sidewall of the pump cap. The depth of the first guiding groove is not less than the stroke required for the pump cap to press out the cream. When the third guiding protrusion is aligned with the first guiding groove, pressing the pump cap, the pump cap pumps out the cream through the pump core. When the third guiding protrusion is aligned with the second guiding groove, pressing the pump cap, the third guiding protrusion is stuck in the second guiding groove and cannot move downward.

[0009] In another embodiment, a transition surface is provided between the first guiding groove and the second guiding groove. Rotating the pump cap, the third guiding protrusion can squeeze through the transition surface and switch between the first guiding groove and the second guiding groove.

[0010] In another embodiment, a pump nozzle is provided on the pump core. The pump nozzle penetrates into the pump cap from the circumferential surface of the pump cap and is detachably connected to the pump core.

[0011] In another embodiment, the third guiding protrusion extends on the inner sidewall of the pump cap along a direction parallel to the axial direction of the pump cap.

[0012] In another embodiment, the inner container is made of a transparent material, and a viewing window for observing the amount of cosmetics in the inner container is provided on the bottle body.

[0013] In another embodiment, a thread is provided on the outer sidewall of the upper end portion of the inner container, and a thread is provided on the inner sidewall of the first bushing. The inner container is threadedly connected to the first bushing.

[0014] Due to the application of the above technical solutions, the present utility model has the following advantages compared with the prior art: The present utility model utilizes the guiding protrusions on the bottle cap and the limiting protrusions on the bottle body to achieve a quick, convenient and detachable connection between the bottle cap and the bottle body. The inner container and the bottle cap are fixedly connected. When the bottle cap is removed, the inner container can be conveniently removed, realizing the quick replacement of the inner container. Brief Description of the Drawings

[0015] Figure 1 This is a perspective view of the unlocking state of the present utility model. At this time, the button is pressed normally and the liquid is discharged normally;

[0016] Figure 2 This is a perspective view of the locking state of the present utility model. At this time, it can prevent the liquid from being discharged due to accidental touch of the button;

[0017] Figure 3 This is a perspective view of the replaceable state of the present utility model. At this time, the pump head and the inner container can be pulled out together. After being pulled out, the inner container can be replaced;

[0018] Figure 4 This is an exploded view of the present utility model;

[0019] Figure 5 This is a 1 / 4 sectional view of the present utility model;

[0020] Figure 6 This is an exploded view of the bottle cap and the inner container of the present utility model;

[0021] Figure 7 This is a longitudinal sectional view of the bottle cap of the present utility model. Detailed Description of the Preferred Embodiments

[0022] The present utility model will be further described below in conjunction with the embodiments shown in the drawings.

[0023] As Figures 1-3 shown, the pump-pressure replaceable vacuum bottle includes a bottle body 1, an inner container 3, and a bottle cap 2.

[0024] Specifically:

[0025] As Figures 4-5 shown, the upper end of the bottle body 1 is open. The bottle cap 2 includes a pump core 21, a first bushing 22 fixedly sleeved on the lower end of the pump core 21, a second bushing 23 fixedly sleeved on the lower end of the first bushing 22, and a pump cover 24 sleeved on the second bushing 23. A pump nozzle 25 is provided on the pump core 21. The pump nozzle 25 penetrates through the circumferential surface of the pump cover 24 and is detachably connected to the pump core 21. The pump cover 24 moves up and down relative to the second bushing 23. A first guiding protrusion 41 is provided on the outer circumferential surface of the lower end of the second bushing 23.

[0026] An annular boss 50 is formed on the inner side wall of the upper end of the bottle body 1. A first limiting protrusion 51, a second limiting protrusion 52, and a third limiting protrusion 53 are formed on the inner side wall of the bottle body 1 above the boss 50. The first limiting protrusion 51 extends along the circumferential direction of the inner side wall of the bottle body 1. The second limiting protrusion 52 and the third limiting protrusion 53 are provided on the front and rear sides in the extending direction of the first limiting protrusion 51.

[0027] When the second bushing 23 is inserted into the bottle body 1 and moves to the lower limit position, rotate the bottle cap 2. After the first guiding protrusion 41 squeezes past the third limiting protrusion 53, it is clamped in the space surrounded by the convex platform 50, the first limiting protrusion 51, the second limiting protrusion 52, and the third limiting protrusion 53. The second limiting protrusion 52 restricts the freedom of rotation of the first guiding protrusion 41. The second limiting protrusion 52 and the third limiting protrusion 53 extend along the axial direction parallel to the bottle body 1 on the inner side wall of the bottle body 1. Without damaging the second limiting protrusion 52, the first guiding protrusion 41 cannot squeeze past the first limiting protrusion 51 and the second limiting protrusion 52. Without external force, the first guiding protrusion 41 cannot squeeze past the third limiting protrusion 53. With external force, the first guiding protrusion 41 can squeeze past the third limiting protrusion 53. There are two sets of symmetrically arranged first limiting protrusions 51, second limiting protrusions 52, third limiting protrusions 53, and first guiding protrusions 41. A reinforcing rib 8 is provided between the first guiding protrusion 41 and the outer side wall of the lower end of the second bushing 23.

[0028] The outer side wall of the upper end of the inner container 3 is provided with threads, and the inner side wall of the first bushing 22 is provided with threads. The inner container 3 is fixedly connected to the first bushing 22 by threads. The inner container 3 is made of a transparent material, and a window 11 for observing the amount of cream in the inner container 3 is provided on the bottle body 1.

[0029] As Figures 6-7 shown, to facilitate the first guiding protrusion 41 to quickly find the third limiting protrusion 53 during installation, a plurality of second guiding protrusions 42 extending along the circumferential direction of the inner side wall of the bottle body 1 are formed on the inner side wall of the bottle body 1 above the first limiting protrusion 51. A guiding opening is formed between two adjacent second guiding protrusions 42. When the first guiding protrusion 41 is aligned with the guiding opening, the bottle cap 2 can be inserted into the bottle body 1. To improve the connection stability between the bottle cap 2 and the bottle body 1, a fourth limiting protrusion 54 is provided on the outer peripheral surface of the lower end of the pump cap 24. When the first guiding protrusion 41 is clamped in the space surrounded by the convex platform 50, the first limiting protrusion 51, the second limiting protrusion 52, and the third limiting protrusion 53, the fourth limiting protrusion 54 is clamped below the second guiding protrusion 42.

[0030] On the outer side wall of the upper end of the second bushing 23, a first guiding groove 61 and a second guiding groove 62 extending downward from its upper end face are provided. On the inner side wall of the pump cover 24, a third guiding protrusion 43 that matches both the first guiding groove 61 and the second guiding groove 62 is provided. The third guiding protrusion 43 extends on the inner side wall of the pump cover 24 along the axial direction parallel to the pump cover 24. The depth of the first guiding groove 61 is not less than the stroke required for the pump cover 24 to press and extrude the cream. When the third guiding protrusion 43 is aligned with the first guiding groove 61, by pressing the pump cover 24, the pump cover 24 pumps out the cream through the pump core 21. When the third guiding protrusion 43 is aligned with the second guiding groove 62, by pressing the pump cover 24, the third guiding protrusion 43 is stuck in the second guiding groove 62 and cannot move downward. A transition surface 63 is provided between the first guiding groove 61 and the second guiding groove 62. By rotating the pump cover 24, the third guiding protrusion 43 can squeeze through the transition surface 63 and switch between the first guiding groove 61 and the second guiding groove 62; Several groups are symmetrically arranged between the third guiding protrusion 43, the first guiding groove 61 and the second guiding groove 62 with a transition surface 63. In this embodiment, there are 3 groups.

[0031] The above embodiments are only for explaining the technical concept and features of the present invention, and their purpose is to enable those who are familiar with this technology to understand the content of the present invention and implement it accordingly, and cannot be used to limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit and essence of the present invention should be covered within the protection scope of the present invention.

Claims

1. A pump-pressurized replaceable vacuum bottle, which comprises a bottle body, an inner container and a bottle cap. The bottle cap and the inner container are fixedly connected. The upper end of the bottle body is open. The bottle cap includes a pump core, a first bushing fixedly sleeved on the lower end of the pump core, a second bushing with its lower end fixedly sleeved on the first bushing, and a pump cover sleeved on the second bushing. The pump cover moves up and down relative to the second bushing, and is characterized in that: An annular boss is formed on the inner side wall of the upper end of the bottle body. On the inner side wall of the bottle body above the boss, a first limit projection, a second limit projection, and a third limit projection are formed. The first limit projection extends along the circumferential direction of the inner side wall of the bottle body. The second limit projection and the third limit projection are arranged on the front and rear sides in the extending direction of the first limit projection. A first guiding projection is provided on the outer peripheral surface of the lower end of the second bushing. When the second bushing is inserted into the bottle body and moves to the lower limit position, the bottle cap is rotated, and the first guiding projection squeezes through the third limit projection and then is stuck in the space surrounded by the boss, the first limit projection, the second limit projection, and the third limit projection. The second limit projection restricts the freedom of the first guiding projection to continue rotating.

2. The pump-pressurized replaceable vacuum bottle according to claim 1, wherein: The second limit projection and the third limit projection extend on the inner side wall of the bottle body along the axial direction parallel to the bottle body.

3. The pump-pressurized replaceable vacuum bottle according to claim 1, wherein: On the inner side wall of the bottle body above the first limit projection, a plurality of second guiding projections extending along the circumferential direction of the inner side wall of the bottle body are formed. A guiding opening is formed between two adjacent second guiding projections. When the first guiding projection is aligned with the guiding opening, the bottle cap can be inserted into the bottle body.

4. The pump-pressurized replaceable vacuum bottle according to claim 3, characterized in that: A fourth limit projection is provided on the outer peripheral surface of the lower end of the pump cap. When the first guiding projection is stuck in the space surrounded by the boss, the first limit projection, the second limit projection, and the third limit projection, the fourth limit projection is stuck below the second guiding projection.

5. The pump-pressurized replaceable vacuum bottle according to claim 1, characterized in that: On the outer side wall of the upper end of the second bushing, a first guiding groove and a second guiding groove extending downward from its upper end face are formed. A third guiding projection matching both the first guiding groove and the second guiding groove is provided on the inner side wall of the pump cap. The depth of the first guiding groove is not less than the stroke required for the pump cap to press out the cream. When the third guiding projection is aligned with the first guiding groove, the pump cap is pressed, and the pump cap pumps out the cream through the pump core. When the third guiding projection is aligned with the second guiding groove, the pump cap is pressed, and the third guiding projection is stuck in the second guiding groove and cannot move downward.

6. The pump-pressurized replaceable vacuum bottle according to claim 5, wherein: A transition surface is provided between the first guiding groove and the second guiding groove. The pump cap is rotated, and the third guiding projection can squeeze through the transition surface and switch between the first guiding groove and the second guiding groove.

7. The pump-pressurized replaceable vacuum bottle according to claim 5, characterized in that: A pump nozzle is provided on the pump core. The pump nozzle penetrates through the circumferential surface of the pump cap and is detachably connected to the pump core.

8. The pump-pressurized replaceable vacuum bottle according to claim 5, characterized in that: The third guiding projection extends on the inner side wall of the pump cap along the axial direction parallel to the pump cap.

9. The pump-pressurized replaceable vacuum bottle according to claim 1, wherein: The inner container is made of a transparent material, and a viewing window for observing the amount of cream in the inner container is provided on the bottle body.

10. The pump-pressurized replaceable vacuum bottle according to claim 1, characterized in that: Threads are provided on the outer side wall of the upper end of the inner container, and threads are provided on the inner side wall of the first bushing. The inner container is threadedly connected to the first bushing.

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