Cosmetic packaging bottle

Abstract

The application discloses a cosmetic packaging bottle, which comprises an outer bottle, an inner bottle, a vacuum pump assembly and a shoulder sleeve. The inner bottle comprises a bottle body and a bottle head with external threads, and a clamping structure is arranged between the bottle body and the outer bottle to fix the outer bottle and the inner bottle. The vacuum pump assembly comprises a pump base and a pump body which is partially inserted into the bottle body and is positioned and installed on the pump base. The pump base is provided with internal threads and is screwed with the bottle head. The shoulder sleeve is arranged around the pump base and is engaged with the outer bottle. The cosmetic packaging bottle of the application comprises an outer bottle and an inner bottle, and the outer bottle is clamped with the bottle body of the inner bottle. The thinner double-bottle structure is used to replace the single-bottle structure with a thicker wall in the prior art, the material accumulation in a single part is reduced, the cooling and shrinkage are more uniform, and the influence of the shrink marks on the appearance and size precision of the product is effectively avoided.

Description

Technical Field

[0001] This application relates to the field of cosmetic packaging, and in particular to a cosmetic packaging bottle. Background Technology

[0002] Existing cosmetic packaging bottles generally include a bottle body, a shoulder sleeve, and a pump mounted on the shoulder sleeve. The bottle body is used to hold liquid cream-type cosmetics, and the pump dispensing the cosmetics is done through the pump body. For example, document CN201268468Y discloses an improved pump body structure for a cosmetic bottle. The bottle body of this cosmetic is a single-bottle type. When using polypropylene to manufacture such a single-bottle product with a relatively thick wall, shrinkage marks are prone to occur during the molding process, thus affecting the product's appearance and dimensional accuracy. Utility Model Content

[0003] To address the aforementioned problems, this utility model provides a cosmetic packaging bottle.

[0004] Cosmetic packaging bottles, including:

[0005] outer bottle;

[0006] The inner bottle includes a bottle body placed inside the outer bottle and a bottle head with external threads, and a locking structure is provided between the bottle body and the outer bottle to fix the outer bottle and the inner bottle together.

[0007] A vacuum pump assembly includes a pump base and a pump body positioned on the pump base and partially extending into the bottle body, the pump base having internal threads for threaded connection with the bottle head;

[0008] A shoulder sleeve is provided around the pump base and engages with the outer bottle.

[0009] Several alternative methods are provided below, but they are not intended as additional limitations on the overall solution above. They are merely further additions or optimizations. Provided there are no technical or logical contradictions, each alternative method can be combined individually with respect to the overall solution above, or multiple alternative methods can be combined with each other.

[0010] Optionally, the outer bottle is a cylindrical structure open at both ends, and the bottom end of the bottle body is flush with the bottom end of the outer bottle.

[0011] Optionally, the bottle body is provided with a slot, and the inner wall of the outer bottle is provided with a protruding ring, and the slot and the protruding ring cooperate to achieve axial limiting;

[0012] The bottle body has positioning ribs arranged along the axial direction, and the outer bottle is provided with a groove. The positioning ribs cooperate with the groove to achieve circumferential positioning.

[0013] Optionally, the groove is arranged on the convex ring.

[0014] Optionally, the bottom of the bottle body is radially enlarged to form a reinforcing section, and the slot and positioning rib are arranged in the reinforcing section.

[0015] Optionally, an axial limiting mechanism and a circumferential limiting mechanism are provided between the shoulder sleeve and the pump base.

[0016] Optionally, the axial limiting mechanism includes a positioning groove arranged circumferentially on the shoulder sleeve and a protrusion on the pump base that cooperates with the positioning groove.

[0017] The circumferential limiting mechanism includes a notch on the shoulder sleeve and a positioning block on the pump base that mates with the notch.

[0018] Optionally, the pump base includes an extension that partially extends into the outer bottle, the extension being clearance-fitted with the outer bottle.

[0019] Optionally, a press cap that movably engages with the shoulder sleeve is included, the press cap having an outlet port communicating with the pump body.

[0020] Optionally, a cap may be included that mates with a shoulder sleeve to close the liquid outlet.

[0021] The cosmetic packaging tube of this application includes an outer bottle and an inner bottle, and the outer bottle and the inner bottle are locked together. This uses a thinner double-bottle structure to replace the thicker single-bottle structure in the prior art, reducing material accumulation in a single part, making cooling and shrinkage more uniform, and effectively avoiding the impact of shrinkage marks on the product's appearance and dimensional accuracy. Attached Figure Description

[0022] Figure 1 A cross-sectional view of a cosmetic packaging bottle provided for this application;

[0023] Figure 2 This is a schematic diagram of the inner bottle's structure;

[0024] Figure 3 This is a schematic diagram of the outer bottle's structure;

[0025] Figure 4 A structural diagram of a cosmetic packaging bottle, omitting the inner and outer bottles;

[0026] Figure 5 for Figure 4 Schematic diagram of the structure of the pump base;

[0027] Figure 6 for Figure 4 A schematic diagram of the shoulder cover structure.

[0028] The annotations in the figure are explained as follows:

[0029] 100. Outer bottle; 110. Raised ring; 120. Groove; 130. Positioning strip;

[0030] 200. Inner bottle; 210. Bottle head; 211. External thread; 220. Bottle body; 221. Connecting part; 222. Protrusion; 223. Guide slope; 230. Reinforcing part; 240. Slot; 250. Positioning rib;

[0031] 300, Pump base; 310, Internal thread; 320, Protrusion; 330, Positioning block; 340, Extension; 341, Annular protrusion;

[0032] 400, shoulder cover; 410, positioning groove; 420, notch; 430, protrusion;

[0033] 500. Pump body; 510. Press cap; 520. Liquid outlet;

[0034] 600, Cover; 610, Annular groove. Detailed Implementation

[0035] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0036] It should be noted that when a component is said to be "connected" to another component, it can be directly connected to the other component or it can be connected to a component in between. When a component is said to be "set on" another component, it can be directly set on the other component or it may be set to a component in between.

[0037] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the application. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0038] In this application, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number or order of the indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0039] In this application, the terms “comprising” and “having”, and any variations thereof, are intended to cover non-exclusive inclusion, for example, a system, product, or device that includes a series of units is not necessarily limited to those units that are explicitly listed, but may include other units that are not explicitly listed or that are inherent to such products or devices.

[0040] See Figures 1-6 One embodiment of this application provides a cosmetic packaging bottle having opposing top and bottom ends, including an outer bottle 100, an inner bottle 200, a vacuum pump assembly, and a shoulder sleeve 400.

[0041] The inner bottle 200 is used to hold cosmetics and includes a bottle body 220 and a bottle head 210 with external threads 211. A locking structure is provided between the bottle body 220 and the outer bottle 100 to fix the outer bottle 100 and the inner bottle 200 together.

[0042] The vacuum pump assembly includes a pump base 300 and a pump body 500 that is positioned on the pump base 300 and partially extends into the bottle body 220. The pump base 300 has an internal thread 310 that is threadedly connected to the bottle head 210, that is, the internal thread 310 and the external thread 211 are engaged to fix the pump base 300 and the inner bottle 200.

[0043] The shoulder sleeve 400 is disposed around the pump base 300 and engages with the outer bottle 100. In one embodiment, the shoulder sleeve 400 is fixedly connected to the pump base 300. In the figure, the bottom end of the shoulder sleeve 400 abuts against the top end of the outer bottle 100, and the outer surfaces of the joint are flush, making the overall shape more aesthetically pleasing.

[0044] The cosmetic packaging tube of this application includes an outer bottle 100 and an inner bottle 200, and the outer bottle 100 and the inner bottle 200 are engaged with each other at the bottle body 220. This means that the thinner double-bottle structure replaces the thicker single-bottle structure in the prior art, reducing material accumulation in a single part, making cooling and shrinkage more uniform, and effectively avoiding the impact of shrinkage marks on the product's appearance and dimensional accuracy.

[0045] In one embodiment, the outer bottle 100 is a cylindrical structure with open ends. When engaged, the bottom end of the bottle body 220 is flush with the bottom end of the outer bottle 100. This bottom end alignment design can ensure the stability and positioning accuracy of the assembly of the inner bottle 200 and the outer bottle 100.

[0046] For information on the interlocking mechanism, please refer to [link / reference]. Figures 1-3 The bottle body 220 is provided with a slot 240, and the inner wall of the corresponding outer bottle 100 is provided with a protruding ring 110. The slot 240 and the protruding ring 110 cooperate to achieve axial positioning. In the figure, the bottom end of the bottle body 220 has a radially extending connecting part 221, and a protrusion 222 arranged circumferentially is provided above the connecting part 221. The slot 240 is formed between the connecting part 221 and the protrusion 222.

[0047] When assembling the inner bottle 200 and the outer bottle 100, the inner bottle 200 needs to be inserted from the bottom of the outer bottle 100 until the bottle body 220 is engaged with the outer bottle 100. To facilitate assembly, a guide slope 223 is provided on the top of the protrusion. When the protruding ring 110 and the protrusion 222 are pressed against each other, the protruding ring 110 can pass over the protrusion 222 along the guide slope 223 and finally engage with the slot 240.

[0048] To restrict the relative rotation between the inner bottle 200 and the outer bottle 100, the bottle body 220 has axially arranged positioning ribs 250, and the outer bottle 100 is provided with a groove 120. The positioning ribs 250 and the grooves 120 cooperate to achieve circumferential positioning. Of course, for the sake of structural stability, the number of positioning ribs 250 and corresponding grooves 120 in this application is multiple along the circumferential direction. The specific number can be adapted according to the needs. For example, this application provides four of each.

[0049] In one embodiment, the groove 120 is arranged on the convex ring 110.

[0050] See Figures 1-2 Since the bottle body 220 has a thin wall, in order to ensure the installation strength of the locking structure, the bottom of the bottle body 220 is radially enlarged to form a reinforcing part 230, and the locking groove 240 and the positioning rib 250 are arranged in the reinforcing part 230.

[0051] In one embodiment, the inner wall of the outer bottle 100 is provided with positioning strips 130 arranged along the axial direction. There are multiple positioning strips 130 arranged circumferentially. The positioning strips 130 can abut against the outer wall of the bottle body 210 to reduce shaking and prevent the bottle head 210 from tilting.

[0052] See Figures 4-6 An axial limiting mechanism and a circumferential limiting mechanism are provided between the shoulder sleeve 400 and the pump base 300. The axial limiting mechanism includes a positioning groove 410 arranged circumferentially on the shoulder sleeve 400 and a protrusion 320 on the pump base 300 that mates with the positioning groove 410. There are multiple positioning grooves 410 and corresponding protrusions 320 to ensure the stability of the structure. Similarly, to facilitate the installation of the protrusion 320 in the positioning groove 410, a guide slope is also provided on the top of the protrusion 320.

[0053] The circumferential limiting mechanism includes a notch 420 on the shoulder sleeve 400 and a positioning block 330 on the pump base 300 that cooperates with the notch 420. The number of positioning blocks 330 and corresponding notches 420 is at least two, which makes the structure more stable. The specific number can be adapted according to the needs, and this application does not make any special requirements.

[0054] In one embodiment, the pump base 300 includes an extension 340 that partially extends into the outer bottle 100, and the extension 340 is clearance-fitted with the outer bottle 100. For details, please refer to [link to relevant documentation]. Figure 5 The outer peripheral wall of the extension 340 is provided with an annular protrusion 341, which is in clearance fit with the inner wall of the outer bottle 100 to avoid the inner bottle 200 from being eccentric.

[0055] In one embodiment, the packaging bottle includes a press cap 510 that movably engages with a shoulder sleeve 400. The press cap 510 is positioned above the vacuum assembly and has a liquid outlet 520 communicating with the pump body 500. When cosmetics are needed, simply pressing the press cap 510 will pump the cosmetics from the inner bottle 200 into the liquid outlet 520 for use.

[0056] See Figure 1 The packaging bottle of this application also includes a cap 600 that cooperates with the shoulder sleeve 400 to close the liquid outlet. The inner wall of the cap 600 is provided with an annular groove 610, and the outer peripheral wall of the shoulder sleeve 400 is provided with a plurality of circumferentially distributed protrusions 430. The protrusions 430 cooperate with the annular groove 610 to achieve axial positioning of both.

[0057] The technical features of the embodiments described above can be combined arbitrarily. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as the combination of these technical features does not contradict each other, it should be considered to be within the scope of this specification. When technical features of different embodiments are embodied in the same drawing, it can be regarded as the drawing also disclosing examples of combinations of the various embodiments involved.

[0058] The embodiments described above are merely examples of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these modifications and improvements all fall within the protection scope of this application.

Claims

1. A cosmetic packaging bottle, characterized in that, include: outer bottle; The inner bottle includes a bottle body placed inside the outer bottle and a bottle head with external threads, and a locking structure is provided between the bottle body and the outer bottle to fix the outer bottle and the inner bottle together. A vacuum pump assembly includes a pump base and a pump body positioned on the pump base and partially extending into the bottle body, the pump base having internal threads for threaded connection with the bottle head; A shoulder sleeve is provided around the pump base and engages with the outer bottle.

2. The cosmetic packaging bottle according to claim 1, characterized in that, The outer bottle is a cylindrical structure with open ends, and the bottom of the bottle body is flush with the bottom of the outer bottle.

3. The cosmetic packaging bottle according to claim 1, characterized in that, The bottle body is provided with a slot, and the inner wall of the outer bottle is provided with a protruding ring. The slot and the protruding ring cooperate to achieve axial positioning. The bottle body has positioning ribs arranged along the axial direction, and the outer bottle is provided with a groove. The positioning ribs cooperate with the groove to achieve circumferential positioning.

4. The cosmetic packaging bottle according to claim 3, characterized in that, The groove is arranged on the convex ring.

5. The cosmetic packaging bottle according to claim 3, characterized in that, The bottom of the bottle body is radially expanded to form a reinforcing section, and the slot and positioning rib are arranged in the reinforcing section.

6. The cosmetic packaging bottle according to claim 1, characterized in that, An axial limiting mechanism and a circumferential limiting mechanism are provided between the shoulder sleeve and the pump base.

7. The cosmetic packaging bottle according to claim 6, characterized in that, The axial limiting mechanism includes a positioning groove arranged circumferentially on the shoulder sleeve and a protrusion on the pump base that cooperates with the positioning groove. The circumferential limiting mechanism includes a notch on the shoulder sleeve and a positioning block on the pump base that mates with the notch.

8. The cosmetic packaging bottle according to claim 1, characterized in that, The pump base includes an extension that partially extends into the outer bottle, and the extension is clearance-fitted with the outer bottle.

9. The cosmetic packaging bottle according to claim 1, characterized in that, Includes a press cap that movably engages with the shoulder sleeve, the press cap having a liquid outlet communicating with the pump body.

10. The cosmetic packaging bottle according to claim 9, characterized in that, Includes a cover that engages with a shoulder sleeve to close the liquid outlet.

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