Double-layer vacuum bottle with hidden pump head device

Abstract

The invention relates to the technical field of cosmetic vacuum bottles, in particular to a double-layer vacuum bottle with a hidden pump head device. A mounting cover is arranged at the top of the bottle body; a pump head structure is arranged at the top of the inner bottle and comprises a pressing head, a through groove is formed in the mounting cover, and the pressing head is arranged in the through groove; threads are arranged at the top of the inner bottle; the pressing head can move up and down; a limiting column is arranged on the thread, a limiting groove is formed in the mounting cover, the limiting groove comprises a first limiting part and a second limiting part, the limiting column is in sliding connection with the limiting groove, and in the normal state, the top face of the pressing head is lower than or flush with the top face of the mounting cover. The cosmetic in the inner bottle can be pumped out by pressing the pressing head, the vacuum bottle structure can hide the pressing head when a user does not use the vacuum bottle structure, the pressing head can be prevented from being exposed in the atmosphere for a long time to pollute the pressing head, and the situation that the user does not spray the pressing head to waste the cosmetic can be prevented.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cosmetic vacuum bottles, in particular to a double-layer vacuum bottle with a hidden pump head device. BACKGROUND

[0002] A cosmetic vacuum bottle refers to a container that can isolate gas from the outside temperature or isolate the outside bacteria. The content of the vacuum bottle can be completely isolated from the air to avoid oxidation and bacterial growth of the product due to contact with air, and to improve the product grade with its high-tech concept. The common vacuum bottle on the market is composed of an elliptical container with a cylindrical body and a piston arranged at the bottom. Its design principle is to use the contraction force of the first spring to prevent air from entering the bottle to create a vacuum state, and to use atmospheric pressure to push the piston at the bottom forward.

[0003] The patent with publication number CN211996924U discloses a cosmetic vacuum bottle with a replaceable inner bottle, which comprises a mounting bracket, an outer bottle and an inner bottle are threadedly connected at the bottom of the mounting bracket, the inner bottle is arranged in the inner cavity of the outer bottle, a nozzle device is installed on the mounting bracket, the nozzle device comprises a pressing cap, a valve rod and a plug, the pressing cap is installed on the valve rod, an upper cover is arranged on the pressing cap, and the pressing cap is pressed downward to drive the valve rod to move downward, so that the cosmetic in the inner bottle is sprayed out of the nozzle of the pressing cap.

[0004] The above-mentioned technology has the following problems: when in use, the upper cover needs to be removed, and then the cosmetic is sprayed out of the nozzle of the pressing cap by pressing the pressing cap downward, and after use, the upper cover is reinstalled on the pressing cap. In the daily use process, the upper cover is easy to be lost, the nozzle of the pressing cap is exposed to the atmosphere for a long time, which is easy to contaminate the nozzle and thus contaminate the cosmetic, and the pressing cap is easy to be pressed during daily use, thereby wasting the cosmetic.

[0005] Therefore, a double-layer vacuum bottle with a hidden pump head device is proposed to solve the above-mentioned technical problems. SUMMARY

[0006] To solve the above-mentioned technical problems, the purpose of the present application is to provide a double-layer vacuum bottle with a hidden pump head device, which can extend the press head when in use, and hide the press head when not in use to prevent contamination of the press head.

[0007] The technical scheme adopted by the present application to solve the problem is: a double-layer vacuum bottle with a hidden pump head device, comprising a bottle body, an inner bottle capable of moving up and down is arranged in the bottle body; a mounting cover is rotatably arranged at the top of the bottle body; a pump head structure is arranged at the top of the inner bottle, the pump head structure comprises a press head, a through slot is arranged in the mounting cover, and the press head is arranged in the through slot; a screw thread is arranged at the top of the inner bottle, the press head can move up and down relative to the screw thread; a limiting column is arranged on the screw thread, a limiting slot is arranged on the mounting cover, the limiting slot comprises a first limiting part and a second limiting part, the first limiting part is located below the second limiting part, and the limiting column and the limiting slot are in sliding connection; when the limiting column is located in the first limiting part, the inner bottle is located at the bottom end, and the top surface of the press head is lower than or flush with the top surface of the mounting cover; when the limiting column moves to the second limiting part, the inner bottle moves to the top end, and the press head is higher than the top surface of the mounting cover.

[0008] As a further improvement of the above technical scheme, the mounting cover comprises an outer cover and a lock cover, the outer cover is arranged at the top of the bottle body, the lock cover is fixedly installed on the inner side of the outer cover, the through slot is arranged on the outer cover, and the limiting slot is arranged on the lock cover; the pump head structure comprises a pump core and a pressure cover, the pump core is arranged at the top of the inner bottle, the screw thread is press-connected to the top edge of the pump core, and the pressure cover is fixedly arranged at the top of the pump core; a main valve rod is movably arranged in the pump core, a secondary valve rod is movably arranged in the main valve rod, a small piston in dynamic sealing connection with the pump core is sleeved on the secondary valve rod, the press head is fixedly connected with the top of the main valve rod, a second spring is arranged between the main valve rod and the pressure cover, and a nozzle in communication with the main valve rod is arranged in the press head.

[0009] As a further improvement of the above technical scheme, the inner side end of the outer cover is provided with a vertically arranged avoiding slot, and the limiting column is arranged in the avoiding slot.

[0010] As a further improvement of the above technical scheme, the first limiting part and the second limiting part are communicated through an inclined sliding groove, a first limiting protrusion is arranged at the opening end of the first limiting part, and a second limiting protrusion is arranged at the opening end of the second limiting part.

[0011] As a further improvement of the above technical scheme, the number of the limiting slot and the limiting column is more than 2.

[0012] As a further improvement of the above technical scheme, a through slot in communication with the outside and the sliding groove is arranged on the lock cover.

[0013] As a further improvement of the above technical scheme, the bottom of the inner bottle is sealingly connected with a base, the bottom of the base is provided with a groove, the bottom of the bottle body is provided with a mounting column, the lower part of the first spring is sleeved on the mounting column, and the upper part of the first spring is arranged in the groove.

[0014] As the further improvement of the above technical scheme, the bottom of the bottle body is provided with a first air hole, the inner bottle inner dynamic seal is provided with a large piston, the large piston divides the upper and lower parts of the inner bottle into a liquid storage chamber and a gas storage chamber, and the bottom of the base is provided with a second air hole in communication with the first air hole and the gas storage chamber.

[0015] As the further improvement of the above technical scheme, the outer cover and the bottle body are both transparent materials.

[0016] As the further improvement of the above technical scheme, the inner side of the outer cover is embedded with a first electroplated decorative inner ring, and the inner side of the bottle body is embedded with a second electroplated decorative inner ring.

[0017] The beneficial effects of the present application are as follows: in the normal state, the limiting column is located at the first limiting part, the inner bottle is located at the bottom end of the bottle body, the top surface of the press head is lower than or level with the top surface of the installation cover, in use, the limiting column can be moved to the second limiting part by rotating the installation cover, at this time, the first spring can lift the inner bottle to the top end of the bottle body, the press head is lifted and higher than the top surface of the installation cover, and the cosmetic in the inner bottle can be pumped out by pressing the press head. The vacuum bottle structure can hide the press head when the user does not use it, can prevent the bottle cover from being lost, can prevent the press head from being exposed to the atmosphere for a long time and thus contaminated, and can prevent the user from wasting the cosmetic by pressing the press head. BRIEF DESCRIPTION OF DRAWINGS

[0018] The present application will be further explained and described in conjunction with the accompanying drawings and specific embodiments.

[0019] Figure 1 is a structure diagram of the present application in the normal state; Figure 2 is a structure diagram of the present application in the use state; Figure 3 is an exploded view of the present application; Figure 4 is a cross-sectional view of the present application in the normal state; Figure 5 is Figure 4 a local enlarged view of part A of Figure 6 is Figure 4 a local enlarged view of part B of Figure 7 is a position structure diagram of the press head of the present application in the normal state; Figure 8 is a cross-sectional view of the present application in the use state; Figure 9 is Figure 8 a local enlarged view of part C of Figure 10 isFigure 8 a local enlarged view of part D of figure 1; Figure 11 a position structure diagram of the head in use state of the present application.

[0020] In the figure: 1-bottle body, 11-mounting column, 12-first air hole, 2-inner bottle, 22-base, 221-second air hole, 23-groove, 24-liquid storage chamber, 25-gas storage chamber, 3-first spring, 4-mounting cover, 41-through slot, 42-limiting slot, 421-first limiting part, 422-second limiting part, 423-first limiting protrusion, 424-second limiting protrusion, 43-outer cover, 431-avoidance slot, 44-lock cover, 45-sliding slot, 46-through slot, 5-pump head structure, 51-pressing head, 511-nozzle, 52-thread, 521-limiting column, 53-pump core, 54-pressing cover, 55-main valve rod, 56-secondary valve rod, 57-small piston, 58-second spring, 6-large piston, 7-first electroplating decorative inner ring, 8-second electroplating decorative inner ring. DETAILED DESCRIPTION

[0021] This part will describe the specific embodiments of the present application in detail, the preferred embodiments of the present application are shown in the accompanying drawings, the role of the drawings is to supplement the description of the text part with figures, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the present application, but it cannot be understood as a limitation on the protection scope of the present application.

[0022] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0023] In the description of the present application, the meaning of several is one or more, the meaning of multiple is more than two, greater than, less than, more than, etc. is not included in the number, above, below, etc. is included in the number. If it is described as first, second, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0024] In the description of the present application, unless otherwise explicitly limited, the words such as setting, mounting, connecting, etc. should be understood in a broad sense, and the person skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical scheme.

[0025] Reference Figures 1 to 11The utility model provides a double-layer vacuum bottle with hidden pump head device, which comprises a bottle body 1, an inner bottle 2 capable of moving up and down is arranged in the bottle body 1; The top of the bottle body 1 is rotatably provided with a mounting cover 4; The top of the inner bottle 2 is provided with a pump head structure 5, the pump head structure 5 comprises a press head 51, a through slot 41 is arranged in the mounting cover 4, and the press head 51 is arranged in the through slot 41; The top of the inner bottle 2 is provided with a screw thread 52, the press head 51 can move up and down relative to the screw thread 52, a limiting column 521 is arranged on the screw thread 52, a limiting slot 42 is arranged on the mounting cover 4, the limiting slot 42 comprises a first limiting part 421 and a second limiting part 422, the first limiting part 421 is located below the second limiting part 422, and the limiting column 521 is in sliding connection with the limiting slot 42; A first spring 3 is arranged between the bottom of the inner bottle 2 and the bottle bottom of the bottle body 1; In a normal state, as shown in Figures 5 to 7 , the limiting column 521 is located at the first limiting part 421, the inner bottle 2 is located at the bottom end of the bottle body 1, and the top surface of the press head 51 is lower than or flush with the top surface of the mounting cover 4; In use, as shown in Figures 9 to 11 , the mounting cover 4 is rotated to move the limiting column 521 to the second limiting part 422, at this time, the first spring 3 can lift the inner bottle 2 to the top end of the bottle body 1, the press head 51 is lifted along with the inner bottle 2 and is higher than the top surface of the mounting cover 4, and the cosmetic in the inner bottle 2 can be pumped out by pressing the press head 51, the vacuum bottle structure can hide the press head 51 when the user does not use it, can prevent the bottle cover from being lost, can prevent the press head 51 from being exposed to the atmosphere for a long time, thereby polluting the press head 51, and can prevent the user from wasting the cosmetic by not spraying the press head 51.

[0026] In the preferred embodiment, as shown in Figure 5 and Figure 9 , the mounting cover 4 comprises an outer cover 43 and a lock cover 44, the outer cover 43 is arranged on the top of the bottle body 1, the lock cover 44 is fixedly arranged on the inner side of the outer cover 43, the through slot 41 is arranged on the outer cover 43, the limiting slot 42 is arranged on the lock cover 44, the pump head structure 5 comprises a pump core 53 and a pressing cover 54, the pump core 53 is arranged on the top of the inner bottle 2, the screw thread 52 is press-connected to the top edge of the pump core 53, the pressing cover 54 is fixedly arranged on the top of the pump core 53, a main valve rod 55 is movably arranged in the pump core 53, a secondary valve rod 56 is movably arranged in the main valve rod 55, a small piston 57 is sleeved on the secondary valve rod 56 and is in dynamic sealing connection with the pump core 53, the press head 51 is fixedly connected to the top of the main valve rod 55, a second spring 58 is arranged between the main valve rod 55 and the pressing cover 54, and a nozzle 511 in communication with the main valve rod 55 is arranged in the press head 51; The outer cover 43 is rotated to drive the lock cover 44 to rotate, and the limiting column 521 is moved along the limiting groove 42, so that the limiting column 521 is moved between the first limiting portion 421 and the second limiting portion 422; The elastic force of the second spring 58 is smaller than that of the first spring 3. In use, the press head 51 is pressed to push the main valve rod 55 and the auxiliary valve rod 56 to move downward, so that the cosmetic in the inner bottle 2 is pumped into the pump core 53. Then, the cosmetic can pass through the auxiliary valve rod 56, the main valve rod 55 and the press head 51, and finally, the cosmetic can be pumped out from the nozzle 511. The second spring 58 can reset the press head 51. During the pressing of the press head 51, the height of the nozzle 511 is always higher than the height of the top surface of the outer cover 43.

[0027] In the preferred embodiment, referring to Figure 5 , the inner side end of the outer cover 43 is provided with a vertical avoiding groove 431, and the limiting column 521 is arranged in the avoiding groove 431.

[0028] In the preferred embodiment, referring to Figure 7 and Figure 11 , the first limiting portion 421 and the second limiting portion 422 are communicated through the inclined sliding groove 45. In order to limit the limiting column 521 in the first limiting portion 421 and the second limiting portion 422, the opening end of the first limiting portion 421 is provided with a first limiting protrusion 423, and the opening end of the second limiting portion 422 is provided with a second limiting protrusion 424.

[0029] In the preferred embodiment, the number of the limiting groove 42 and the limiting column 521 is more than two.

[0030] In the preferred embodiment, referring to Figure 7 and Figure 11 , the lock cover 44 is provided with a through groove 46 which is communicated with the outside and the sliding groove 45; During installation, the limiting column 521 is installed into the sliding groove 45 through the through groove 46.

[0031] In the preferred embodiment, the bottom of the inner bottle 2 is sealingly connected with a base 22, the bottom of the base 22 is provided with a recess 23, the bottom of the bottle body 1 is provided with an installation column 11, the lower part of the first spring 3 is sleeved on the installation column 11, and the upper part of the first spring 3 is arranged in the recess 23.

[0032] In the preferred embodiment, the bottom of the bottle body 1 is provided with a first air hole 12, the inner bottle 2 is movably sealed with a large piston 6, the large piston 6 divides the inner bottle 2 into a liquid storage chamber 24 and a gas storage chamber 25, and the bottom of the base 22 is provided with a second air hole 221 which is communicated with the first air hole 12 and the gas storage chamber 25. When the cosmetic in the inner bottle 2 is reduced, air can be supplemented into the air storage chamber 25 through the second air vent 221 and the first air vent 12, so that the large piston 6 moves upward, and the vacuum state in the inner bottle 2 is maintained.

[0033] In the preferred embodiment, the outer cover 43 and the bottle body 1 are both made of transparent material.

[0034] In the preferred embodiment, the inner side of the outer cover 43 is embedded with a first electroplated decorative inner ring 7, and the inner side of the bottle body 1 is embedded with a second electroplated decorative inner ring 8.

[0035] The above is only the preferred embodiment of the present application, and does not limit the patent scope of the present application. Any equivalent structural transformation, direct or indirect application in other related technical fields, or the like, which is made under the inventive concept of the present application, and based on the content of the present application specification and drawings, is included in the patent protection scope of the present application.

Claims

1. A double-layer vacuum bottle with a hidden pump head device, characterized in that: a bottle body (1) is provided with an inner bottle (2) capable of moving up and down inside; a mounting cover (4) is rotatably arranged at the top of the bottle body (1); a pump head structure (5) is arranged at the top of the inner bottle (2), the pump head structure (5) comprises a pressing head (51), a through slot (41) is arranged in the mounting cover (4), and the pressing head (51) is arranged in the through slot (41); a screw thread (52) is arranged at the top of the inner bottle (2), the pressing head (51) can move up and down relative to the screw thread (52); a limiting column (521) is arranged on the screw thread (52), a limiting slot (42) is arranged on the mounting cover (4), the limiting slot (42) comprises a first limiting part (421) and a second limiting part (422), the first limiting part (421) is located below the second limiting part (422), and the limiting column (521) is in sliding connection with the limiting slot (42); when the limiting column (521) is located in the first limiting part (421), the inner bottle (2) is located at the bottom end, and the top surface of the pressing head (51) is lower than or flush with the top surface of the mounting cover (4); when the limiting column (521) moves to the second limiting part (422), the inner bottle (2) moves to the top end, and the pressing head (51) is higher than the top surface of the mounting cover (4).

2. The double-layer vacuum bottle with a hidden pump head device according to claim 1, characterized in that: a first spring (3) is arranged between the bottom of the inner bottle (2) and the bottom of the bottle body (1); the mounting cover (4) comprises an outer cover (43) and a lock cover (44), the outer cover (43) is arranged at the top of the bottle body (1), the lock cover (44) is fixedly arranged on the inner side of the outer cover (43), the through slot (41) is arranged on the outer cover (43), the limiting slot (42) is arranged on the lock cover (44), the pump head structure (5) comprises a pump core (53) and a pressing cover (54), the pump core (53) is arranged at the top of the inner bottle (2), the screw thread (52) is press-connected to the top edge of the pump core (53), the pressing cover (54) is fixedly arranged at the top of the pump core (53), a main valve rod (55) is movably arranged in the pump core (53), a secondary valve rod (56) is movably arranged in the main valve rod (55), a small piston (57) is sleeved on the secondary valve rod (56) and is in dynamic sealing connection with the pump core (53), the pressing head (51) is fixedly connected to the top of the main valve rod (55), a second spring (58) is arranged between the main valve rod (55) and the pressing cover (54), and a nozzle (511) in communication with the main valve rod (55) is arranged in the pressing head (51).

3. The double-layer vacuum bottle with a hidden pump head device according to claim 2, characterized in that: a vertically arranged avoiding slot (431) is arranged at the inner side end of the outer cover (43), and the limiting column (521) is arranged in the avoiding slot (431).

4. The double-layer vacuum bottle with a hidden pump head device according to claim 3, characterized in that: ​ ​ ​ ​ ​ ​ ​ ​ ​ The first limiting part (421) and the second limiting part (422) are communicated through the inclined chute (45), the opening end of the first limiting part (421) is provided with the first limiting protrusion (423), and the opening end of the second limiting part (422) is provided with the second limiting protrusion (424).

5. The double-layer vacuum bottle with a hidden pump head device according to claim 4, characterized in that: The number of the limiting grooves (42) and the limiting columns (521) is more than 2.

6. The double-layer vacuum bottle with a hidden pump head device according to claim 5, characterized in that: The lock cover (44) is provided with the through groove (46) communicated with the outside and the chute (45).

7. The double-layer vacuum bottle with a hidden pump head device according to claim 2, characterized in that: The bottom of the inner bottle (2) is sealingly connected with the base (22), the bottom of the base (22) is provided with the recess (23), the bottom of the bottle body (1) is provided with the mounting column (11), the lower part of the first spring (3) is sleeved on the mounting column (11), and the upper part of the first spring (3) is arranged in the recess (23).

8. The double-layer vacuum bottle with a hidden pump head device according to claim 7, characterized in that: The bottom of the bottle body (1) is provided with the first air hole (12), the inner dynamic seal of the inner bottle (2) is provided with the large piston (6), the large piston (6) divides the upper and lower parts of the inner bottle (2) into the liquid storage chamber (24) and the gas storage chamber (25), and the bottom of the base (22) is provided with the second air hole (221) communicated with the first air hole (12) and the gas storage chamber (25).

9. The double-layer vacuum bottle with a hidden pump head device according to claim 8, characterized in that: The outer cover (43) and the bottle body (1) are both transparent materials.

10. The double-layer vacuum bottle with a hidden pump head device according to claim 9, characterized in that: The inner side of the outer cover (43) is embedded with the first electroplated decorative inner ring (7), and the inner side of the bottle body (1) is embedded with the second electroplated decorative inner ring (8).

Images