CN113545591A

CN113545591A - PET cosmetic bottle

Info

Publication number: CN113545591A
Application number: CN202110695484.6A
Authority: CN
Inventors: 耿昊明
Original assignee: Zhejiang Tepuwan Packaging Technology Co ltd
Current assignee: Zhejiang Tepuwan Packaging Technology Co ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2021-10-26
Anticipated expiration: 2041-06-23
Also published as: CN113545591B

Abstract

The invention discloses a PET (polyethylene terephthalate) cosmetic bottle, which comprises a bottle body and a bottle cap, wherein the bottle body is detachably connected with the bottle cap, a movable pipe is movably arranged on the bottle cap, the bottom of the movable pipe is positioned below the bottle cap, the top of the movable pipe is positioned above the bottle cap, a connecting sleeve is arranged at the bottom of the bottle cap, the movable pipe extends into the connecting sleeve, a liquid outlet pipe is arranged in the movable pipe, the top of the liquid outlet pipe extends to the outside of the movable pipe, and a liquid outlet component is arranged in the connecting sleeve; the connecting sleeve bottom is connected with the feed liquor pipe, and the through-hole is seted up and is connected with the drainage tube to the connecting sleeve, and one side demountable installation of connecting sleeve has the jar that holds the cosmetics of examination, drainage tube and hold jar intercommunication. Has the effect of selecting the test cosmetics and the original cosmetics according to the needs, and reduces the waste.

Description

PET cosmetic bottle

Technical Field

The invention belongs to the technical field of cosmetics, and particularly relates to a PET (polyethylene terephthalate) cosmetic bottle.

Background

With the development of technology and the progress of life, the use rate of various advanced cosmetics is higher and higher. The fluid cosmetics comprise oil, lotion, cream and the like, and for the fluid cosmetics, except for a conventional bottle, a bottle in a pressing type is generally used as a cosmetic bottle, so that the use is more convenient.

The related technology is as disclosed in patent application publication No. CN208181736U, and the key point of the technical scheme is as follows: comprises a bottle cap and a bottle body. The lower part of the bottle cap is provided with a threaded cavity, and the closed end of the threaded cavity is bonded with a sealing sheet; the upper part of the bottle body is communicated with a liquid outlet pipe for cosmetics to flow out, an inner plug is sleeved in the liquid outlet pipe, the upper part of the inner plug is provided with a plug hole concentric with the liquid outlet pipe, and the thread cavity is in threaded connection with the liquid outlet pipe. The sealing sheet is provided with the leak protection stopper that tightly packs the consent thereby prevents that cosmetics in the body from flowing out after the bottle lid is screwed on the body towards drain pipe one side. The cosmetic bottle has the advantages that after the bottle cap is screwed on the bottle body, cosmetics contained in the bottle body are not easy to flow out from the plug hole of the inner plug, and therefore waste of the cosmetics is reduced.

The related art has the following problems that when cosmetics are purchased in ordinary life, the cosmetics are frequently needed to be tested, a general merchant provides the cosmetics to be tested, but the cosmetics cannot be sold, and a customer can purchase another bottle of cosmetics of the same brand after trying out the cosmetics, but the customer can worry that the purchased cosmetics and the tried cosmetics are not the same, so that quality problems can occur, and if the merchant uses the cosmetics for sale to the customer, the situation of wasting or influencing secondary sales is easy to occur. There is therefore a need for a cosmetic bottle that can switch between a trial and a vend product.

Disclosure of Invention

Aiming at the problems, the invention discloses a PET cosmetic flat bottle which has the effects of selecting a test cosmetic and an original cosmetic according to needs, is convenient to use and reduces waste.

The invention discloses a PET cosmetic flat bottle, which comprises the following technical scheme,

a PET cosmetic bottle comprises a bottle body and a bottle cap, wherein the bottle body is detachably connected with the bottle cap, a movable pipe is movably mounted on the bottle cap, the bottom of the movable pipe is positioned below the bottle cap, the top of the movable pipe is positioned above the bottle cap, a connecting sleeve is arranged at the bottom of the bottle cap, the movable pipe extends into the connecting sleeve, a liquid outlet pipe is arranged in the movable pipe, the top of the liquid outlet pipe extends to the outside of the movable pipe, and a liquid outlet assembly is arranged in the connecting sleeve; the connecting sleeve bottom is connected with the feed liquor pipe, and the through-hole is seted up and is connected with the drainage tube to the connecting sleeve, and one side demountable installation of connecting sleeve has the jar that holds the cosmetics of examination, drainage tube and hold jar intercommunication.

By adopting the technical scheme, the bottle body is used for containing cosmetics to be sold, the containing tank is used for storing the cosmetics for trial use, and the liquid outlet pipe and the movable pipe are used for realizing push-type liquid outlet; when needs are tried, the cosmetics for testing in the holding tank are discharged through the pipeline, the cosmetics to be sold in the bottle body cannot be wasted, and after the cosmetics are purchased, the cosmetics in the bottle body are used, so that the waste is not easy to cause.

Furthermore, the liquid outlet assembly comprises a piston arranged at the bottom of the movable pipe, a resetting piece arranged at the bottom of the piston, a first check valve arranged on one side of the connecting sleeve and a second check valve arranged at the bottom of the connecting sleeve, the first check valve is hinged with the outer wall of the connecting sleeve, the second check valve is hinged with the inner wall of the bottom of the connecting sleeve, and the second check valve is positioned at the top of the liquid inlet pipe.

Through adopting above-mentioned technical scheme, increased piston, check valve and reset the structure of piece and regard as out the liquid subassembly, extrude the air in the adapter sleeve through the structure of pushing down the movable tube when using, make the movable tube reset under the effect that resets, can make cosmetics enter into the adapter sleeve under the effect of atmospheric pressure, discharge through the drain pipe.

Furthermore, the reset piece comprises a return spring arranged at the bottom of the piston, a partition plate is arranged in the connecting sleeve, two ends of the return spring are respectively connected with the top of the partition plate and the bottom of the movable tube, the liquid outlet tube penetrates through the partition plate and extends to the lower portion of the partition plate, and the return spring is sleeved outside the liquid outlet tube.

Through adopting above-mentioned technical scheme, used return spring's structure as the piece that resets, the structure through the baffle is used for carrying out return spring's installation, and return spring has played the effect that resets, and return spring can be used for carrying out the reseing of activity pipe after loosening.

Furthermore, the drainage tube is connected with the side wall of the connecting sleeve in a sliding manner, and one end of the drainage tube, which is far away from the containing tank, extends into the connecting sleeve and abuts against the top of the one-way valve II; the inner wall of the top of the accommodating pipe II is hinged with a one-way valve III.

Through adopting above-mentioned technical scheme, the lateral wall slip of the good adapter sleeve of drainage tube links to each other, and drainage tube tip supports the top of check valve two tightly, after the drainage tube installation for check valve two can not open, can only follow the cosmetics that the extraction was tried in holding the jar.

Furthermore, a connecting plate is arranged on one side of the connecting sleeve, the containing tank is detachably mounted on the connecting plate, a sliding groove is formed in the connecting plate, the bottom of the containing tank is slidably mounted in the sliding groove, a positioning groove communicated with the outside is formed in the bottom of the sliding groove, a positioning rod is slidably mounted in the positioning groove, a clamping hole matched with the top of the positioning rod is formed in the bottom of the containing tank, and the bottom of the positioning rod extends to the outside of the connecting plate; be provided with reset spring one in the constant head tank, reset spring one set is established in the locating lever outside, and the locating lever outside is provided with the annular plate, and the tip inner wall of annular plate and constant head tank is connected respectively to reset spring one's both ends.

Through adopting above-mentioned technical scheme, the structure that has increased the connecting plate is used for holding the installation of pipe, holds a jar slidable mounting in the spout, has increased the structure of constant head tank and locating lever, under reset spring one's effect for the tip of locating lever enters into the card hole that holds the tank bottoms portion, realizes the location to holding a jar, when needs are dismantled, through the structure of pulling locating lever, makes the tip and the card hole separation of locating lever, can hold the dismantlement of jar.

Furthermore, a baffle is arranged at the top of the connecting plate, a second reset spring is arranged on the baffle, one end of the second reset spring is connected with the baffle, and the other end of the second reset spring is abutted to the containing tank.

Through adopting above-mentioned technical scheme, the structure of installation reset spring two on the baffle after carrying out the separation of locating lever and holding jar, makes through the effect of reset spring two to hold the jar and remove, and it is more convenient to dismantle.

Furthermore, the bottom of the bottle cap is provided with an annular rubber ring, and the lower end face of the rubber ring is abutted against the top of the bottle body; the bottle cap and the bottle body are detachably connected through a connecting piece.

Through adopting above-mentioned technical scheme, used the structure of rubber circle, the connection leakproofness between dead body and the bottle lid is better.

Furthermore, the connecting piece comprises a connecting rod arranged at the bottom of the bottle cap and an arc-shaped plate arranged at the bottom of the connecting rod, a connecting groove matched with the end part of the connecting rod is arranged at the top of the bottle body, and an arc-shaped groove matched with the arc-shaped plate is formed in the inner wall of the end part of the connecting groove; the bottom of the bottle cap is provided with a first magnet, the top of the bottle body is provided with a second magnet, and the magnetism of one side of the first magnet, which is close to the second magnet, is opposite.

Through adopting above-mentioned technical scheme, increased the structure of connecting rod and arc pole, sent the connecting rod into the spread groove, rotated the bottle lid and made the arc pole enter into the arc groove, realized being connected between bottle lid and the body, under the cooperation of magnet one and magnet two for connect more stably.

Furthermore, an annular scraper is arranged inside the bottle body, an annular driving plate is arranged outside the bottle body, a third magnet and a fourth magnet are respectively arranged on the sides, close to each other, of the scraper and the driving plate, and the magnetism of the sides, close to each other, of the third magnet and the fourth magnet is opposite.

By adopting the technical scheme, the sliding drive plate can drive the magnet IV to move, then drive the magnet III and the scraper to move, and when the sliding drive plate moves, the scraper can scrape and rub the inner wall of the bottle body, so that liquid attached to the bottle body flows to the bottom, and waste is reduced.

The invention has at least the following effects:

1. the structure of the bottle body is used for containing cosmetics to be sold, the structure of the containing tank is used for storing the cosmetics for trial use, and the structures of the liquid outlet pipe and the movable pipe are used for realizing press type liquid outlet; when the cosmetics are needed to be used, the cosmetics in the containing tank are discharged through the pipeline, so that the cosmetics to be sold in the bottle body can not be wasted, and the cosmetics in the bottle body are used after the cosmetics are purchased, so that the waste is not easy to cause;

2. the structure that has increased the connecting plate on the connecting sleeve is used for holding the installation of jar, through the structure of locating lever in the constant head tank, through reset spring's effect on the locating lever for the locating lever tip enters into the card hole of holding tank, conveniently installs the dismantlement.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a main body of an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of the internal structure of an embodiment of the present application;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

fig. 4 is a schematic structural diagram of a connector in the embodiment of the application.

Reference numerals: 1. a bottle cap; 11. a rubber ring; 12. a magnet I; 13. a second magnet; 14. a connecting rod; 15. an arc-shaped plate; 2. a bottle body; 21. a drive plate; 22. a squeegee; 23. connecting grooves; 3. connecting sleeves; 31. a movable tube; 32. a liquid outlet pipe; 33. a piston; 34. a partition plate; 35. a return spring; 36. a liquid inlet pipe; 37. a one-way valve I; 38. a second one-way valve; 4. a holding tank; 41. a drainage tube; 42. a one-way valve III; 5. a connecting plate; 51. a chute; 52. positioning a groove; 53. positioning a rod; 54. a first return spring; 55. a baffle plate; 56. and a second return spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the purpose of convenience and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Referring to fig. 1-4, the embodiment of the application discloses a PET cosmetic bottle, which comprises a bottle body 2 and a bottle cap 1, wherein the bottle body 2 is detachably connected with the bottle cap 1, a movable tube 31 is movably mounted on the bottle cap 1, the bottom of the movable tube 31 is positioned below the bottle cap 1, the top of the movable tube 31 is positioned above the bottle cap 1, the bottom of the bottle cap 1 is fixedly connected with a connecting sleeve 3, and the connecting sleeve 3 is bonded with the bottom of the bottle cap 1.

During movable tube 31 extends to adapter sleeve 3, installs drain pipe 32 in the movable tube 31, the top of drain pipe 32 extends to the outside of movable tube 31 to the setting is all buckled at the top of drain pipe 32 and movable tube 31, makes things convenient for cosmetics to discharge. A liquid outlet component is arranged in the connecting sleeve 3. The bottom of the connecting sleeve 3 is connected with a liquid inlet pipe 36, the connecting sleeve 3 is provided with a through hole and is connected with a drainage pipe 41, one side of the connecting sleeve 3 is detachably provided with a containing tank 4 containing test cosmetics, and the drainage pipe 41 is communicated with the containing tank 4. Cosmetics to be sold are contained in the bottle body 2, and cosmetics for trial use are contained in the containing tank 4.

An annular scraper 22 is installed inside the bottle body 2, and the scraper 22 abuts against the inner wall of the bottle body 2 and can slide along the length direction of the bottle body 2. The externally mounted of body 2 has annular drive plate 21, the outer wall of drive plate 21 and body 2 offsets and can slide along the length direction of body 2, one side that scraper blade 22 and drive plate 21 are close to each other is provided with magnet three and magnet four respectively, magnet three and magnet four one side magnetism that is close to each other is opposite, under magnet three and magnet four's effect, make scraper blade 22 and drive plate 21 remove can be synchronous, can drive scraper blade 22 and slide when sliding drive plate 21, scraper blade 22 can be scraped adnexed cosmetics on body 2, make it fall into the bottle bottom, waste is reduced.

The liquid outlet assembly comprises a piston 33 fixedly mounted at the bottom of the movable pipe 31, a resetting piece mounted at the bottom of the piston 33, a first check valve 37 mounted on one side of the connecting sleeve 3 and a second check valve 38 mounted at the bottom of the connecting sleeve 3, the first check valve 37 is hinged with the outer wall of the connecting sleeve 3, the second check valve 38 is hinged with the inner wall of the bottom of the connecting sleeve 3, and the second check valve 38 is located at the top of the liquid inlet pipe 36. The piston 33 is abutted to the inner wall of the connecting sleeve 3 and used for changing the air pressure inside the connecting sleeve 3, the first check valve 37 and the second check valve 38 are both made of rubber, and due to the shielding of the shell of the connecting sleeve 3, the first check valve 37 can only be opened outwards, and the second check valve 38 can only be opened inwards. The piece that resets is including installing the return spring 35 in the piston 33 bottom, and fixed mounting has baffle 34 in the adapter sleeve 3, and the bottom of the top amount movable tube 31 of baffle 34 is connected respectively at the both ends of return spring 35, and drain pipe 32 passes baffle 34 and extends to the below of baffle 34, and return spring 35 cover is established in the outside of drain pipe 32, through the effect of return spring 35, loosens behind the movable tube 31, makes movable tube 31 reset.

The drainage tube 41 is connected with the side wall of the connecting sleeve 3 in a sliding mode, one end, far away from the containing tank 4, of the drainage tube 41 extends into the connecting sleeve 3 and abuts against the top of the second one-way valve 38, after the drainage tube 41 abuts against the second one-way valve 38 tightly, the second one-way valve 38 cannot be opened, cosmetics can only be extracted from the containing tank 4, and the inner wall of the top of the second containing tube is hinged with a third one-way valve 42 for air exchange in the containing tank 4.

Connecting sleeve 3 one side fixedly connected with connecting plate 5 holds jar 4 demountable installation on connecting plate 5, has seted up spout 51 on connecting plate 5, and spout 51 sets up along the length direction of connecting plate 5. The bottom of the containing tank 4 is slidably mounted in a sliding groove 51, a positioning groove 52 communicated with the outside of the connecting plate 5 is formed in the bottom of the sliding groove 51, and two end faces of the connecting plate 5 are communicated through the positioning groove 52. A positioning rod 53 is slidably mounted in the positioning groove 52, a clamping hole matched with the top of the positioning rod 53 is formed in the bottom of the accommodating tank 4, and the bottom of the positioning rod 53 extends to the outside of the connecting plate 5; a first return spring 54 is arranged in the positioning groove 52, the first return spring 54 is sleeved outside the positioning rod 53, an annular plate is arranged outside the positioning rod 53, the axes of the annular plate and the positioning rod 53 are overlapped, and two ends of the first return spring 54 are respectively connected with the annular plate and the inner wall of the end part of the positioning groove 52.

Under the effect of a first return spring 54, the end part of the positioning rod 53 enters the clamping hole at the bottom of the accommodating tank 4 to position the accommodating tank 4, and when the accommodating tank 4 needs to be disassembled, the end part of the positioning rod 53 is separated from the clamping hole by pulling the structure of the positioning rod 53, so that the accommodating tank 4 can be disassembled. Meanwhile, a baffle plate 55 is fixedly mounted at the top of the connecting plate 5, a second return spring 56 is connected to the baffle plate 55, one end of the second return spring 56 is connected with the baffle plate 55, and the other end of the second return spring is abutted to the accommodating tank 4. When dismantling, outwards stimulate locating lever 53 for locating lever 53 and card hole separation, under the effect of two 56 reset springs, make and hold jar 4 and outwards remove, conveniently hold the dismantlement of jar 4.

Bottle lid 1 and body 2 can dismantle the connection through the connecting piece, installs annular rubber circle 11 in the bottom of bottle lid 1, and the lower terminal surface of rubber circle 11 offsets with the top of body 2. The connecting piece includes connecting rod 14 of fixed mounting in 1 bottom of bottle lid and the shaping in the arc 15 of connecting rod 14 bottom, 2 tops of body be provided with connecting rod 14 tip complex spread groove 23, the tip inner wall shaping of spread groove 23 have with the arc 15 complex arc. The bottom of the bottle cap 1 is provided with a first magnet 12, the top of the bottle body 2 is provided with a second magnet 13, and the magnetism of the side, close to each other, of the first magnet 12 and the second magnet 13 is opposite. When the bottle cap is installed, the connecting rod 14 is sent into the connecting groove 23, the bottle cap 1 is rotated to enable the arc-shaped rod to enter the arc-shaped groove, connection between the bottle cap 1 and the bottle body 2 is achieved, and under the matching of the first magnet 12 and the second magnet 13, connection is enabled to be stable. In a similar way, when needing to be dismantled, increase the reverse rotation of dynamics alright break away from in making arc 15 follow the arc wall, conveniently carry out the separation between body 2 and the bottle lid 1, it is comparatively convenient to use.

The working principle of the embodiment is as follows, the structure of the bottle body 2 is used for containing cosmetics to be sold, the structure of the containing tank 4 is used for storing cosmetics for trial use, and the structures of the liquid outlet pipe 32 and the movable pipe 31 are used for realizing press type liquid outlet; when the cosmetics are needed to be used, the cosmetics to be sold in the bottle body 2 can not be wasted by discharging the cosmetics to be used in the containing tank 4 through the pipeline, and the cosmetics in the bottle body 2 are not easy to waste after being purchased.

When normal use, hold jar 4 and install the one side at adapter sleeve 3, press movable tube 31 and can only extract the trial products who holds in jar 4, after the purchase, can separate body 2 and bottle lid 1, will hold jar 4 and drainage tube 41 and take off from adapter sleeve 3, reuse rubber buffer etc. will originally install the position of drainage tube 41 and seal, link together body 2 and bottle lid 1 again. When the movable tube 31 is pressed again, cosmetics to be sold in the bottle body 2 are extracted and selected according to the situation, and waste is reduced.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A PET cosmetic bottle comprises a bottle body (2) and a bottle cap (1), and is characterized in that the bottle body (2) is detachably connected with the bottle cap (1), a movable pipe (31) is movably mounted on the bottle cap (1), the bottom of the movable pipe (31) is positioned below the bottle cap (1), the top of the movable pipe (31) is positioned above the bottle cap (1), a connecting sleeve (3) is arranged at the bottom of the bottle cap (1), the movable pipe (31) extends into the connecting sleeve (3), a liquid outlet pipe (32) is arranged in the movable pipe (31), the top of the liquid outlet pipe (32) extends to the outside of the movable pipe (31), and a liquid outlet component is arranged in the connecting sleeve (3); the bottom of the connecting sleeve (3) is connected with a liquid inlet pipe (36), the connecting sleeve (3) is provided with a through hole and is connected with a drainage pipe (41), one side of the connecting sleeve (3) is detachably provided with a containing tank (4) containing test cosmetics, and the drainage pipe (41) is communicated with the containing tank (4).

2. The PET cosmetic bottle according to claim 1, wherein the liquid outlet assembly comprises a piston (33) arranged at the bottom of the movable pipe (31), a reset piece arranged at the bottom of the piston (33), a one-way valve I (37) arranged at one side of the connecting sleeve (3) and a one-way valve II (38) arranged at the bottom of the connecting sleeve (3), the one-way valve I (37) is hinged with the outer wall of the connecting sleeve (3), the one-way valve II (38) is hinged with the inner wall of the bottom of the connecting sleeve (3), and the one-way valve II (38) is positioned at the top of the liquid inlet pipe (36).

3. A PET cosmetic bottle according to claim 2, wherein the return member comprises a return spring (35) disposed at the bottom of the piston (33), a partition (34) is disposed in the connecting sleeve (3), two ends of the return spring (35) are respectively connected to the top of the partition (34) and the bottom of the movable tube (31), the liquid outlet tube (32) passes through the partition (34) and extends to the lower side of the partition (34), and the return spring (35) is sleeved outside the liquid outlet tube (32).

4. A PET cosmetic bottle as claimed in claim 3, characterized in that the drainage tube (41) is slidably connected to the side wall of the connecting sleeve (3), and one end of the drainage tube (41) away from the holding tank (4) extends into the connecting sleeve (3) and abuts against the top of the second check valve (38); the inner wall of the top of the accommodating pipe II is hinged with a one-way valve III (42).

5. The PET cosmetic bottle according to claim 1, wherein a connecting plate (5) is arranged on one side of the connecting sleeve (3), the containing tank (4) is detachably mounted on the connecting plate (5), a sliding groove (51) is formed in the connecting plate (5), the bottom of the containing tank (4) is slidably mounted in the sliding groove (51), a positioning groove (52) communicated with the outside is formed in the bottom of the sliding groove (51), a positioning rod (53) is slidably mounted in the positioning groove (52), a clamping hole matched with the top of the positioning rod (53) is formed in the bottom of the containing tank (4), and the bottom of the positioning rod (53) extends to the outside of the connecting plate (5); a first return spring (54) is arranged in the positioning groove (52), the first return spring (54) is sleeved outside the positioning rod (53), an annular plate is arranged outside the positioning rod (53), and two ends of the first return spring (54) are respectively connected with the annular plate and the inner wall of the end part of the positioning groove (52).

6. A PET cosmetic bottle according to claim 5, characterized in that a baffle (55) is arranged on the top of the connecting plate (5), a second return spring (56) is arranged on the baffle (55), one end of the second return spring (56) is connected with the baffle (55), and the other end of the second return spring abuts against the containing tank (4).

7. The PET cosmetic bottle according to claim 1, wherein the bottom of the bottle cap (1) is provided with an annular rubber ring (11), and the lower end surface of the rubber ring (11) is abutted against the top of the bottle body (2); the bottle cap (1) and the bottle body (2) are detachably connected through a connecting piece.

8. The PET cosmetic bottle according to claim 7, wherein the connecting piece comprises a connecting rod (14) arranged at the bottom of the bottle cap (1) and an arc-shaped plate (15) arranged at the bottom of the connecting rod (14), the top of the bottle body (2) is provided with a connecting groove (23) matched with the end part of the connecting rod (14), and the inner wall of the end part of the connecting groove (23) is formed with an arc-shaped groove matched with the arc-shaped plate (15); the bottom of the bottle cap (1) is provided with a first magnet (12), the top of the bottle body (2) is provided with a second magnet (13), and the magnetism of the side, close to each other, of the first magnet (12) and the second magnet (13) is opposite.

9. The PET cosmetic bottle according to claim 1, wherein the bottle body (2) is internally provided with an annular scraper (22), the bottle body (2) is externally provided with an annular driving plate (21), one sides of the scraper (22) and the driving plate (21) which are close to each other are respectively provided with a magnet three and a magnet four, and the magnetism of the sides of the magnet three and the magnet four which are close to each other is opposite.