阅读说明：本技术 一种伸缩喷嘴真空乳液瓶 (Vacuum emulsion bottle with telescopic nozzle ) 是由 劳焕坤 于 2021-10-11 设计创作，主要内容包括：一种伸缩喷嘴真空乳液瓶,包括瓶体单元、压头泵、伸缩喷嘴和盖体单元,所述压头泵安装于瓶体单元内,所述压头泵上端连通伸缩喷嘴,所述盖体单元覆盖安装于伸缩喷嘴上方且与瓶体单元构成盖合配合；所述伸缩喷嘴活动套接于盖体单元设有的外喷嘴孔内,所述伸缩喷嘴包括相对活动安装的喷嘴组件和旋转座,所述旋转座安装于瓶体单元上,所述旋转座设有第一导轨槽,所述第一导轨槽为椭圆、二分之一椭圆或四分之一椭圆结构,所述喷嘴组件设有与第一导轨槽构成导轨配合的滑动凸点,当滑动凸点相对第一导轨槽滑动时,所述喷嘴组件相对盖体单元的外喷嘴孔伸出或回缩。(A vacuum emulsion bottle with a telescopic nozzle comprises a bottle body unit, a pressure head pump, a telescopic nozzle and a cover body unit, wherein the pressure head pump is arranged in the bottle body unit, the upper end of the pressure head pump is communicated with the telescopic nozzle, and the cover body unit is arranged above the telescopic nozzle in a covering mode and forms covering fit with the bottle body unit; the utility model discloses a bottle body unit, including the body of the bottle body unit, the body of the bottle body unit is equipped with the cover unit, the flexible nozzle activity cup joints in the outer nozzle hole that the body of the bottle body unit was equipped with, flexible nozzle includes relative movable mounting's nozzle assembly and roating seat, the roating seat is installed on the bottle body unit, the roating seat is equipped with first guide rail groove, first guide rail groove is oval, half oval or the oval structure of fourth, nozzle assembly is equipped with and constitutes guide rail complex slip bump with first guide rail groove, when the relative first guide rail groove of slip bump, the outer nozzle hole of the relative body of the cover unit of nozzle assembly stretches out or retracts.)

1. A vacuum emulsion bottle with a telescopic nozzle is characterized in that: the bottle body unit comprises a bottle body unit, a pressure head pump (11), a telescopic nozzle and a cover body unit, wherein the pressure head pump (11) is arranged in the bottle body unit, the upper end of the pressure head pump (11) is communicated with the telescopic nozzle, and the cover body unit is covered and arranged above the telescopic nozzle and forms covering fit with the bottle body unit; flexible nozzle activity cup joints in outer nozzle bore (37) that the lid unit was equipped with, flexible nozzle includes relative movable mounting's nozzle assembly and roating seat (8), roating seat (8) are installed on the bottle unit, roating seat (8) are equipped with first guide rail groove (18), first guide rail groove (18) are oval, half ellipse or quarter ellipse structure, nozzle assembly is equipped with and constitutes guide rail complex slip bump (19) with first guide rail groove (18), when slip bump (19) first guide rail groove (18) slide relatively, the outer nozzle bore (37) of the relative lid unit of nozzle assembly stretches out or retracts back.

2. A telescoping nozzle vacuum lotion bottle according to claim 1, wherein: the first guide rail groove (18) is a quarter ellipse track, and the two ends of the first guide rail groove (18) are respectively a first vertex (20) close to the corresponding ellipse minor semi-axis at the center of the rotating seat (8) and a second vertex (21) close to the corresponding ellipse major semi-axis at the outer edge of the rotating seat (8).

3. A telescoping nozzle vacuum lotion bottle according to claim 1, wherein: the nozzle assembly comprises a nozzle body (3) and a nozzle seat (6), the nozzle seat (6) can rotate relative to a rotating seat (8), the nozzle seat (6) is provided with an inner nozzle hole (22), the inner nozzle hole (22) and the nozzle body (3) form an axial sliding fit, the nozzle body (3) is radially communicated with a pressure head pump (11), the inner end of the nozzle body (3) is provided with a sliding bump (19), and the outer end of the nozzle body (3) is provided with a water spraying outlet.

4. A telescoping nozzle vacuum lotion bottle according to claim 3, wherein: the outer surface of the middle part of the nozzle body (3) is provided with an outward convex ring (23), and the nozzle spring (4) is arranged between the convex ring (23) and the nozzle seat (6).

5. A telescoping nozzle vacuum lotion bottle according to claim 3, wherein: interior nozzle hole (22) downside is equipped with straight notch (24) that extend along interior nozzle hole (22), nozzle hole (22) in straight notch (24) intercommunication, straight notch (24) constitute the guide rail cooperation with slip bump (19), be equipped with two sealing washer (5) that cup joint nozzle body (3) between nozzle body (3) and nozzle seat (6), nozzle body (3), nozzle seat (6) and two sealing washer (5) constitute sealed cavity, the delivery port that radial water inlet (25) and pressure head pump (11) that sealed cavity communicates nozzle body (3) to be equipped with respectively were equipped with, at nozzle body (3) and nozzle seat (6) relative pivoted in-process, the delivery port of pressure head pump (11) moves between two sealing washer (5) all the time.

6. A telescoping nozzle vacuum lotion bottle according to claim 3, wherein: nozzle holder (6) are including nozzle central part (26) and nozzle screens portion (27) of mutual fixation, nozzle central part (26) movable mounting is in rotatory centre bore (28) that roating seat (8) were equipped with, roating seat (8) activity overcoat has rotatory inner cup (9), rotatory inner cup (9) upper portion is equipped with and constitutes rotatory screens complex guide way (29) with nozzle screens portion (27), rotatory inner cup (9) lower part constitutes the screens cooperation with the lid unit.

7. A telescopic nozzle vacuum lotion bottle according to claim 6, wherein: the nozzle body comprises a nozzle pipe and a nozzle tail plug which are mutually and hermetically connected, one end of the nozzle tail plug is hermetically connected with the inner end of the nozzle pipe, and the lower end of the nozzle tail plug is provided with the sliding salient point.

8. A telescoping nozzle vacuum lotion bottle according to claim 7, wherein: the cover body unit comprises a large cover (2) and a head cap (1), the large cover (2) is sleeved outside a rotating inner cover (9) and forms rotating clamping position cooperation with the rotating inner cover (9), a vertical sliding port (31) is arranged at the upper end of the large cover (2), the vertical sliding port (31) and the head cap (1) form sliding cooperation, the head cap (1), a telescopic nozzle and a pressure head pump (11) sequentially lean against and cooperate from top to bottom, the head cap (1) and the telescopic nozzle can slide up and down relative to a bottle assembly so as to control the liquid inlet and outlet of the bottle assembly by pressing the upper end of the pressure head pump (11), the rotary seat (8) is of a circular structure, a plurality of vertical sliding grooves (32) are arranged in the circumferential direction of the outer edge of the rotary seat (8), a middle section (12) sleeved with the pressure head pump (11) is fixedly arranged at the upper part of the bottle assembly, a plurality of vertical guide ribs (33) are arranged at the upper end of the middle section (12), the guide rib (33) and the vertical sliding groove (32) form vertical guide rail matching, and a first spring (10) is arranged between the rotating seat (8) and the middle section (12).

9. A telescoping nozzle vacuum lotion bottle according to claim 8, wherein: the outer surface of the lower portion of the rotating inner cover (9) is provided with an outer rotating clamping block (30), the inner surface of the lower portion of the large cover (2) is provided with an inner arc-shaped groove (34) which forms clearance clamping fit with the outer rotating clamping block (30), and after the large cover (2) drives the rotating inner cover (9) to rotate for a certain angle so that the nozzle assembly retracts, the large cover (2) rotates to shield the nozzle assembly which is retracted completely.

10. A telescoping nozzle vacuum lotion bottle according to claim 8, wherein: head cap (1) constitutes rotatory screens fixed with nozzle assembly, be equipped with one or more in big lid (2) and cover bump (35), head cap (1) surface is equipped with one or more and covers side mouth draw-in groove (36) that bump (35) correspond, the opening of side mouth draw-in groove (36) is the horizontal direction, when head cap (1) and big lid (2) are rotatory to the settlement angle, cover bump (35) and side mouth draw-in groove (36) and constitute the screens cooperation, lock the relative position of head cap (1) and big lid (2).

Technical Field

The invention relates to the field of cosmetic containers, in particular to a vacuum emulsion bottle with a telescopic nozzle.

Background

With the development of society, cosmetics are increasingly popularized in human life, and cosmetics are generally stored in a cosmetic container, and a user generally needs to take out contents from the cosmetic container when using the cosmetics. Typically, to facilitate the removal of makeup, cosmetic containers are typically designed with an exposed nozzle outlet communicating into the container. When the user is using, make lotion flow from the nozzle liquid outlet through pressing the pressure head pump. However, the liquid outlet of the nozzle of the cosmetic container is always exposed in the use state. Therefore, the liquid in the cosmetic is easy to overflow from the liquid outlet of the nozzle and drop out, and the liquid overflowing outside can contact with the air flow to be condensed and dried, and even be polluted, and the transportation and carrying processes are inconvenient.

Disclosure of Invention

In order to solve the problems, the invention provides a vacuum emulsion bottle with a telescopic nozzle, which comprises:

a vacuum emulsion bottle with a telescopic nozzle comprises a bottle body unit, a pressure head pump, a telescopic nozzle and a cover body unit, wherein the pressure head pump is arranged in the bottle body unit, the upper end of the pressure head pump is communicated with the telescopic nozzle, and the cover body unit is arranged above the telescopic nozzle in a covering mode and forms covering fit with the bottle body unit; the utility model discloses a bottle body unit, including the body of the bottle body unit, the body of the bottle body unit is equipped with the cover unit, the flexible nozzle activity cup joints in the outer nozzle hole that the body of the bottle body unit was equipped with, flexible nozzle includes relative movable mounting's nozzle assembly and roating seat, the roating seat is installed on the bottle body unit, the roating seat is equipped with first guide rail groove, first guide rail groove is oval, half oval or the oval structure of fourth, nozzle assembly is equipped with and constitutes guide rail complex slip bump with first guide rail groove, when the relative first guide rail groove of slip bump, the outer nozzle hole of the relative body of the cover unit of nozzle assembly stretches out or retracts.

Preferably, the first guide rail groove is a quarter elliptical track, and two ends of the first guide rail groove are respectively a first vertex close to the center of the rotating seat and corresponding to the elliptical minor half shaft and a second vertex close to the outer edge of the rotating seat and corresponding to the elliptical major half shaft.

Preferably, the nozzle assembly includes nozzle body and nozzle holder, the nozzle holder can rotate relative rotation seat, the nozzle holder is equipped with interior nozzle bore, interior nozzle bore constitutes the axial cooperation of sliding with the nozzle body, the radial head pump that feeds through of nozzle body, the inner of nozzle body has the slip bump, the outer end of nozzle body is equipped with the water spray outlet. This application rotates through the relative roating seat of nozzle holder to drive the bump that slides and remove at first guide rail groove, and then control nozzle body including the nozzle hole be axial repetitive motion, and then control the relative lid unit of nozzle body overhanging and shrink.

Preferably, an outer convex ring protruding outwards is arranged on the outer surface of the middle of the nozzle body, and the nozzle spring is installed between the outer convex ring and the nozzle seat.

Preferably, interior nozzle bore downside is equipped with the notch of a straight line that extends along interior nozzle bore, nozzle bore in the notch intercommunication, the notch of a straight line constitutes the guide rail cooperation with the slip bump, be equipped with two sealing washers that cup joint the nozzle body between nozzle body and the nozzle holder, nozzle body, nozzle holder and two sealing washers constitute sealed cavity, sealed cavity communicates the radial water inlet that the nozzle body was equipped with respectively and the delivery port that the pressure head pump was equipped with. In the relative rotating process of the nozzle body and the nozzle seat, the water outlet of the pressure head pump always moves between the two sealing rings, so that liquid leakage of the pressure head pump is avoided.

Preferably, the nozzle holder includes nozzle central part and nozzle screens portion of reciprocal anchorage, nozzle central part movable mounting is in the rotatory centre bore that the roating seat was equipped with, roating seat activity overcoat has rotatory inner cup, rotatory inner cup upper portion is equipped with and constitutes rotatory screens complex guide way with nozzle screens portion, rotatory inner cup lower part constitutes the screens cooperation with the lid unit.

Preferably, the nozzle body comprises a nozzle pipe and a nozzle tail plug which are hermetically connected with each other, one end of the nozzle tail plug is hermetically connected with the inner end of the nozzle pipe, and the lower end of the nozzle tail plug is provided with the sliding salient point. Because the ellipse major semi-axis and minor semi-axis have the radius length difference, so nozzle tail stopper slip bump forms apart from central point to put the deviation when sliding respectively to ellipse swivel mount guide rail groove major semi-axis and minor semi-axis position, and nozzle tail stopper drives the nozzle and forms the slip action of stretching out and retracting in the swivel mount at this time. Further, since the nozzle head can pass through the large cap nozzle orifice, the large cap can be extended when the nozzle is extended and the large cap nozzle orifice can be retracted when retracted.

Preferably, the cover body unit comprises a large cover and a head cap, the large cover is sleeved outside the rotating inner cover and forms rotating clamping position matching with the rotating inner cover, a vertical sliding port is arranged at the upper end of the large cover, the vertical sliding port and the head cap form sliding matching, the head cap, the telescopic nozzle and the pressure head pump sequentially abut against and match from top to bottom, and the head cap and the telescopic nozzle can slide up and down relative to the bottle body assembly so as to control the liquid inlet and outlet of the bottle body assembly by pressing the upper end of the pressure head pump; the rotary seat is of a circular structure, a plurality of vertical sliding grooves are formed in the circumferential direction of the outer edge of the rotary seat, a middle section of the bottle body assembly is fixedly mounted on the upper portion of the bottle body assembly and is sleeved with a pressure head pump, a plurality of vertical guide ribs are arranged at the upper end of the middle section, the guide ribs and the vertical sliding grooves form vertical guide rail matching, and a first spring is arranged between the rotary seat and the middle section.

Preferably, the outer surface of the lower part of the rotating inner cover is provided with an outer rotating clamping block, the inner surface of the lower part of the large cover is provided with an inner arc-shaped groove which forms clearance clamping fit with the outer rotating clamping block, and after the large cover rotates the rotating inner cover to rotate a certain angle to enable the nozzle assembly to retract, the large cover rotates back to completely shield the nozzle assembly which is retracted completely.

Preferably, the head cap constitutes rotatory screens fixed with nozzle assembly, be equipped with one or more in the big lid and cover the bump, the head cap surface is equipped with one or more and covers the side mouth draw-in groove that the bump corresponds, the opening of side mouth draw-in groove is the horizontal direction, when the head cap is rotatory to the settlement angle with big lid, cover the bump and constitute the screens cooperation with side mouth draw-in groove, the relative position of locking head cap and big lid for the head cap can't slide from top to bottom greatly covering relatively, and the head cap is fixed and can't be pressed down and avoid being pressed by the mistake by big lid.

The beneficial effects are that: the nozzle assembly of this product stretches out when using and exposes, and cosmetics liquid is followed nozzle assembly blowout, and when nozzle assembly stretches back in the lid unit, cosmetics liquid can not spill over, drip outside, also can not contact the air current and become the drying of condensing, avoids being contaminated, in addition when packing, transportation and carrying process, because nozzle assembly is in the contraction state, consequently can effectively avoid touching the nozzle in the transportation, has improved the convenience of transportation.

Drawings

FIG. 1 is a schematic cross-sectional view of an embodiment.

Fig. 2 is a sectional perspective view of the embodiment.

Fig. 3 is a schematic front view of the embodiment.

FIG. 4 is a perspective view of the embodiment of the retractable nozzle in an extended state.

FIG. 5 is a perspective view of the retractable nozzle of the embodiment in a retracted state.

Fig. 6 is an internal structural view of the embodiment.

FIG. 7 is an internal perspective view of the embodiment with the telescoping nozzle retracted.

FIG. 8 is a top interior view of the embodiment telescoping nozzle in a retracted state.

FIG. 9 is an internal perspective view of the embodiment with the telescoping nozzle extended.

FIG. 10 is a top view of the interior of the embodiment with the telescoping nozzle extended.

Fig. 11 is an exploded view of the embodiment.

Fig. 12 is an exploded sectional view of the embodiment.

Fig. 13 is a schematic structural view 1 of the large lid.

Fig. 14 is a schematic structural view 2 of the large lid.

Fig. 15 is a schematic view of the structure of the headgear 1.

Fig. 16 is a schematic view of the structure of the headgear shown in fig. 2.

1. A head cap; 2. a large cover; 3. a nozzle body; 4. a nozzle spring; 5. a seal ring; 6. a nozzle holder; 7. A nozzle tail plug; 8. a rotating base; 9. rotating the inner cover; 10. a first spring; 11. a head pump; 12. a middle section; 13. pressing the cap; 14. a liner; 15. an inner bottle; 16. a bottle piston; 17. a bottle body; 18. a first guide rail groove; 19. Sliding the salient points; 20. a first vertex; 21. a second vertex; 22. an inner nozzle hole; 23. an outer convex ring; 24. a straight notch; 25. a radial water inlet; 26. a nozzle center; 27. a nozzle retaining portion; 28. rotating the central hole; 29. A guide groove; 30. the clamping block is rotated outwards; 31. a vertical sliding port; 32. a vertical sliding groove; 33. a guide rib; 34. an inner arc-shaped groove; 35. covering the salient points; 36. a side opening clamping groove; 37. an outer nozzle hole; 38. an annular outer groove; 39. The elastic adjusting salient point.

Detailed Description

The invention will be further described with reference to the following examples and figures 1-16.

A vacuum emulsion bottle with a telescopic nozzle comprises a bottle body unit, a pressure head pump 11, a telescopic nozzle and a cover body unit. The pressure head pump 11 is arranged in the bottle body unit, the upper end of the pressure head pump 11 is communicated with the telescopic nozzle, and the cover body unit is arranged above the telescopic nozzle in a covering mode and is matched with the bottle body unit in a covering mode. Flexible nozzle activity cup joints in the outer nozzle hole 37 that lid unit was equipped with, flexible nozzle includes relative movable mounting's nozzle assembly and roating seat 8, roating seat 8 is installed on bottle unit, roating seat 8 is equipped with first guide rail groove 18, first guide rail groove 18 is the oval orbit of quarter, the both ends of first guide rail groove 18 are respectively for being close to the first summit 20 of the corresponding oval minor axis at roating seat 8 center and being close to the second summit 21 of the corresponding oval major axis of roating seat 8 outer fringe. The nozzle assembly is provided with a sliding projection 19 which forms a guide rail fit with the first guide rail groove 18, and when the sliding projection 19 slides relative to the first guide rail groove 18, the nozzle assembly is extended or retracted relative to the outer nozzle hole 37 of the cover unit. In addition, the first rail groove 18 of the present application may have an elliptical or half-elliptical structure, and the above function is realized by a difference in vertex positions corresponding to a major axis and a minor axis of the ellipse.

The nozzle assembly comprises a nozzle body 3 and a nozzle seat 6, the nozzle seat 6 can rotate relative to a rotating seat 8, the nozzle seat 6 is provided with an inner nozzle hole 22, the inner nozzle hole 22 and the nozzle body 3 form an axial sliding fit, the nozzle body 3 is communicated with a pressure head pump 11 in the radial direction, the inner end of the nozzle body 3 is provided with a sliding bump 19, and the outer end of the nozzle body 3 is provided with a water spray outlet. This application rotates through nozzle holder 6 relative rotating seat 8 to drive slip bump 19 and remove at first guide rail groove 18, and then control nozzle body 3 and do axial repetitive motion in inner nozzle hole 22, and then control the overhanging and shrink of the relative lid unit of nozzle body 3. The outer surface of the middle part of the nozzle body 3 is provided with an outer convex ring 23 protruding outwards, and the nozzle spring 4 is arranged between the outer convex ring 23 and the nozzle seat 6. Interior nozzle hole 22 downside is equipped with the straight flute mouth 24 that extends along interior nozzle hole 22, nozzle hole 22 in the straight flute mouth 24 intercommunication, straight flute mouth 24 constitutes the guide rail cooperation with slip bump 19, be equipped with two sealing washer 5 that cup joint nozzle body 3 between nozzle body 3 and the nozzle holder 6, nozzle body 3, nozzle holder 6 and two sealing washer 5 constitute sealed cavity, sealed cavity communicates the radial water inlet 25 that nozzle body 3 was equipped with respectively and the delivery port that pressure head pump 11 was equipped with. In the process of relative rotation of the nozzle body 3 and the nozzle seat 6, the water outlet of the head pump 11 always moves between the two sealing rings 5, so that liquid leakage of the head pump 11 is avoided. The nozzle holder 6 comprises a nozzle central part 26 and a nozzle clamping part 27 which are fixed with each other, the nozzle central part 26 is movably arranged in a rotary central hole 28 arranged on the rotary holder 8, the rotary holder 8 is movably sleeved with a rotary inner cover 9, the upper part of the rotary inner cover 9 is provided with a guide groove 29 which forms rotary clamping fit with the nozzle clamping part 27, and the lower part of the rotary inner cover 9 forms clamping fit with the cover body unit. The nozzle body 3 comprises a nozzle pipe and a nozzle tail plug 7 which are hermetically connected with each other, one end of the nozzle tail plug 7 is hermetically connected with the inner end of the nozzle pipe, and the lower end of the nozzle tail plug 7 is provided with the sliding salient point 19. Because the ellipse major semi-axis and minor semi-axis have the radius length difference, the nozzle tail plug 7 slides the salient point 19 and forms the deviation from the central position when sliding to the major semi-axis and minor semi-axis of the guide rail groove of the ellipse rotating seat 8 respectively, at this time, the nozzle tail plug 7 drives the nozzle to form the sliding action of extending and retracting in the rotating seat 8. Further, since the nozzle head can pass through the large cap 2 nozzle orifice, the large cap 2 can be extended when the nozzle is extended, and the large cap 2 nozzle orifice can be retracted when retracted. The operation principle is as follows: because the ellipse major semi-axis and minor semi-axis have the radius length difference, the nozzle tail plug 7 slides the salient point 19 and forms the deviation from the central position when sliding to the major semi-axis and minor semi-axis of the guide rail groove of the ellipse rotating seat 8 respectively, at this time, the nozzle tail plug 7 drives the nozzle to form the sliding action of extending and retracting in the rotating seat 8.

The cap body unit comprises a large cap 2 and a head cap 1, the large cap 2 is sleeved outside the rotary inner cap 9 and forms rotary clamping fit with the rotary inner cap 9, a vertical sliding port 31 is arranged at the upper end of the large cap 2, the vertical sliding port 31 and the head cap 1 form sliding fit, the head cap 1, the telescopic nozzles and the pressure head pump 11 sequentially abut against and fit from top to bottom, and the head cap 1 and the telescopic nozzles can slide up and down relative to the bottle body assembly so as to control the liquid inlet and outlet of the bottle body assembly by pressing the upper end of the pressure head pump 11; the rotating seat 8 is of a circular structure, and a plurality of vertical sliding grooves 32 are formed in the circumferential direction of the outer edge of the rotating seat 8. The upper portion of the bottle body assembly is fixedly provided with a middle section 12 sleeved with a pressure head pump 11, the upper end of the middle section 12 is provided with a plurality of vertical guide ribs 33, and the guide ribs 33 and the vertical sliding grooves 32 form vertical guide rail matching. The outer surface of the lower part of the rotating inner cover 9 is provided with an outer rotating clamping block 30, the inner surface of the lower part of the big cover 2 is provided with an inner arc-shaped groove 34 which forms clearance clamping fit with the outer rotating clamping block 30, and after the big cover 2 drives the rotating inner cover 9 to rotate for a certain angle so that the nozzle assembly retracts, the big cover 2 can completely shield the completely retracted nozzle assembly after rotating. A plurality of elastic adjusting salient points 39 are arranged in the inner arc-shaped groove 34, the inner arc-shaped groove 34 is evenly divided into three clamping areas by the elastic adjusting salient points 39, and the elastic adjusting salient points 39 and the elastic groove arranged in the middle of the outer rotating clamping block 30 form elastic clamping cooperation. The elastic adjusting convex points 39 and the elastic clamping position of the elastic groove can enable the big cover 2 to rotate relatively to the inner cover 9 to correspondingly adjust the rotation, and the user can receive corresponding vibration feedback to facilitate the rotation adjustment of the user.

Head cap 1 constitutes rotatory screens fixed with nozzle assembly, be equipped with one or more in the big lid 2 and cover bump 35, 1 surface of head cap is equipped with one or more and covers the side mouth draw-in groove 36 that bump 35 corresponds, the opening of side mouth draw-in groove 36 is the horizontal direction, when head cap 1 and big lid 2 are rotatory to setting for the angle, cover bump 35 and side mouth draw-in groove 36 and constitute the screens cooperation, lock head cap 1 and the relative position of big lid 2 for head cap 1 can't slide from top to bottom by big lid 2 relatively, and head cap 1 is fixed by big lid 2 and can't be pressed from top to bottom and avoid being pressed by the mistake.

The middle section 12 is provided with an annular outer groove 38 which is movably sleeved with the rotary inner cover 9, and the bottle body assembly comprises the middle section 12, an inner bottle 15, a bottle piston 16, a bottle body 17, an inner liner 14 and a pressing cap 13. The bottle piston 16 and the inner bottle 15 form a sealing piston fit, the inner bottle 15 is fixedly arranged in the bottle body 17, and the middle section 12 is fixedly arranged at the upper end of the bottle body 17 through threads. A first spring 10 is arranged between the rotating seat 8 and the middle section 12, and the first spring 10 is used for expanding the relative position of the rotating seat 8 and the middle section 12. The pressure cap 13 is sleeved on the outer side of the pressure head pump 11 in a sealing mode, the pressure cap 13 is assembled with the inner liner 14 in a sealing mode, and the inner liner 14 is fixedly connected with the middle section 12.

It should be understood that the above-described embodiments of the present invention are merely examples for illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. There is no need or no way to give poor examples of all embodiments. And such obvious changes and modifications which are within the spirit of the invention are deemed to be covered by the present invention.