Bottom rotating type paste bottle

Abstract

The utility model discloses a bottom rotating type paste bottle. The bottom rotating type paste bottle comprises a bottle body unit, an assembling unit, a driving unit, a lifting unit and a positioning unit. The bottle body unit comprises a bottle body and a column body which extends downwards from the bottom of the bottle body, the assembling unit is located below the bottle body, the column body extends into an assembling through hole of the assembling unit, the driving unit comprises a driving seat and a driving column which extends downwards from the driving seat, the driving seat is fixedly installed on the assembling unit, and the driving column extends downwards from the driving seat. The driving column extends into a column body penetrating hole of the column body, the lifting unit comprises a lifting seat and a driven rod extending downwards from the bottom of the lifting seat, the lifting seat is contained in a bottle body space of the bottle body in a lifting mode, the driven rod extends into a driving hole of the driving column, the driven rod and the driving column are installed in a screwed mode, and the positioning unit comprises a positioning part and a positioning groove. The positioning part is arranged on the column body, the positioning groove is formed in the position far away from the assembling end, and the positioning part can enter or exit from the positioning groove.

Description

Technical Field

[0001] The utility model relates to a packaging device for daily chemical products, in particular to a bottom-screw type cream bottle used for containing solid daily chemical products such as body cream. Background Art

[0002] Solid daily chemical products are widely used in daily life. For example, pastes such as perfume, sunscreen, and lipstick are all examples of solid daily chemical products. To facilitate user use of these solid daily chemical products, most packaging bottles for these products are designed with a bottom-rotating design. For example, Chinese Utility Model Patent No. CN23234222U discloses a bottom-filled, rotary perfume bottle. This bottle drives a piston up and down by rotating a bottom cover and a center rod. During this process, the piston can either expose the perfume from the bottle or be stored within the bottle. Existing bottom-filled, rotary perfume bottles cannot properly position the bottom cover, resulting in the risk of the bottom cover rotating due to contact with other objects while being carried by the user. It is understood that if the bottom cover rotates due to contact with other objects, the bottom cover may be driven upward by the center rod, causing the perfume to be squeezed by the outer cover, resulting in damage to the perfume. Utility Model Content

[0003] One purpose of the present utility model is to provide a bottom-screw cream bottle, wherein the positioning unit of the bottom-screw cream bottle can realize the positioning of the assembly unit and the driving unit with the bottle body unit, and prevent the assembly unit and the driving unit from rotating uncontrolled when the user carries or uses the bottom-screw cream bottle.

[0004] One purpose of the present utility model is to provide a bottom-spinning ointment bottle, wherein the positioning portion of the positioning unit is deformable. When a rotational force is applied to the driving unit and the assembly unit to rotate relative to the bottle body unit and drive the lifting seat of the lifting unit to rise and fall in the bottle body space of the bottle body unit, the positioning portion can be deformed and accumulate elastic potential energy after withdrawing from the positioning groove of the positioning unit. When the driving unit and the assembly unit rotate to the point where the position of the positioning portion corresponds to the position of the positioning groove again, the positioning portion can automatically enter the positioning groove in the process of restoring the initial state, so as to realize the positioning of the assembly unit and the driving unit and the bottle body unit.

[0005] One purpose of the present invention is to provide a bottom-screw cream bottle, wherein the positioning portion and the column of the bottle body unit are integrated, so that the bottom-screw cream bottle has fewer parts and structures, which is conducive to reducing the manufacturing cost of the bottom-screw cream bottle.

[0006] One purpose of the present utility model is to provide a bottom-spinning ointment bottle, wherein the positioning portion is retractable. When a rotational force is applied to the driving unit and the assembly unit to rotate relative to the bottle body unit to drive the lifting seat to rise and fall in the bottle body space of the bottle body, the positioning portion can be retracted after withdrawing from the positioning groove and the spring of the positioning portion is compressed to accumulate elastic potential energy. When the driving unit and the assembly unit rotate to the position of the positioning portion and the position of the positioning groove corresponding to each other again, the spring pushes the ball of the positioning portion in the process of restoring the initial state to make the positioning portion extend outward and enter the positioning groove, so as to realize the positioning of the assembly unit and the driving unit and the bottle body unit.

[0007] According to one aspect of the present invention, the present invention provides a bottom screw-on cream bottle, comprising:

[0008] A bottle unit, wherein the bottle unit comprises a bottle and a column extending downward from the bottom of the bottle, the bottle having a bottle space, the column having a column space, and the column space being connected to the bottle space;

[0009] an assembly unit, wherein the assembly unit has an assembly through-hole, the assembly unit is located below the bottle body, and the column extends into the assembly through-hole of the assembly unit;

[0010] A drive unit, wherein the drive unit includes a drive seat and a drive column extending upward from the drive seat, the drive column having a drive hole, the drive seat being fixedly assembled to the assembly unit, and the top of the drive column extending into the column through-hole of the column;

[0011] a lifting unit, wherein the lifting unit comprises a lifting seat and a driven rod extending downward from the bottom of the lifting seat, the lifting seat being received in the bottle body space of the bottle body in a liftable manner, the driven rod extending into the driving hole of the driving column, and the driven rod and the driving column being screwed together; and

[0012] At least one positioning unit, wherein the positioning unit includes a positioning portion and a positioning slot, the positioning portion is provided on one of the column and the assembly unit, and the positioning slot is provided on the other of the column and the assembly unit, wherein the positioning portion is constructed to be able to enter or exit the positioning slot.

[0013] According to an embodiment of the present invention, the positioning portion is provided on the column, and the positioning groove is provided on the assembly unit.

[0014] According to an embodiment of the present invention, the positioning portion is deformable, so that the positioning portion enters or exits the positioning groove in a deformed manner.

[0015] According to an embodiment of the present invention, the positioning portion is retractable, so that the positioning portion enters or exits the positioning groove in a retractable manner.

[0016] According to one embodiment of the present invention, the positioning portion includes a positioning platform and two elastic arms, and the two elastic arms extend obliquely from opposite sides of the positioning platform to the column, respectively, wherein a deformation space is enclosed between the positioning platform, the two elastic arms and the column to allow the positioning portion to be deformed, wherein the positioning portion and the column are integrated.

[0017] According to one embodiment of the present invention, the positioning portion includes a positioning cylinder, a spring and a sphere, the positioning cylinder has an installation cavity, the spring and the sphere are both installed in the installation cavity of the positioning cylinder, and the opposite ends of the spring respectively abut against the positioning cylinder and the sphere, a portion of the sphere is exposed from the cavity opening of the installation cavity of the positioning cylinder, and the size of the sphere exposed from the cavity opening of the installation cavity is adjustable so that the positioning portion is retractable, wherein the positioning cylinder is arranged on the column.

[0018] According to an embodiment of the present invention, the column has at least one embedding hole, and the positioning tube of the positioning portion is embedded in the embedding hole of the column, so that the positioning tube is disposed on the column.

[0019] According to one embodiment of the present invention, the assembly unit includes a top wall, a peripheral wall extending downward from the periphery of the top wall, and an annular wall extending downward from the middle of the top wall, the assembly through-hole of the assembly unit and the positioning groove of the positioning unit are formed in the annular wall, wherein the driving seat of the driving unit is fixedly assembled on the peripheral wall of the assembly unit.

[0020] According to one embodiment of the present invention, the annular wall of the assembly unit has at least one pair of bosses, the pair of bosses are located on opposite sides of the positioning groove, and the pair of bosses protrude toward the assembly through-hole of the assembly unit.

[0021] According to another aspect of the present invention, the present invention further provides a bottom screw-on cream bottle, comprising:

[0022] A bottle unit, wherein the bottle unit comprises a bottle and a column extending downward from the bottom of the bottle, the bottle having a bottle space, the column having a column space, and the column space being connected to the bottle space;

[0023] an assembly unit, wherein the assembly unit has an assembly through-hole, the assembly unit is located below the bottle body, and the column extends into the assembly through-hole of the assembly unit;

[0024] A drive unit, wherein the drive unit comprises a drive seat and a drive column extending upward from the drive seat, the drive column having a drive hole, the drive seat being fixedly assembled to the assembly unit, the drive hole of the drive column being located at a position corresponding to the column through-hole of the column;

[0025] a lifting unit, wherein the lifting unit comprises a lifting seat and a driven rod extending downward from the bottom of the lifting seat, the lifting seat being received in the bottle body space of the bottle body in a liftable manner, the driven rod extending into the driving hole of the driving column, and the driven rod and the driving column being screwed together; and

[0026] At least one positioning unit, wherein the positioning unit includes a positioning portion and a positioning slot, the positioning portion is provided on one of the column and the assembly unit, and the positioning slot is provided on the other of the column and the assembly unit, wherein the positioning portion is constructed to be able to enter or exit the positioning slot. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 The figure is a three-dimensional schematic diagram of a bottom-screw type cream bottle according to a preferred embodiment of the present invention.

[0028] Figure 2 1 is a schematic exploded view of the bottom-screw ointment bottle according to the preferred embodiment of the present invention from one perspective.

[0029] Figure 3 1 is a schematic exploded view of the bottom-screw ointment bottle according to the preferred embodiment of the present invention from another perspective.

[0030] Figure 4 It is a cross-sectional schematic diagram of one position of the bottom-screw type cream bottle according to the above preferred embodiment of the present utility model.

[0031] Figure 5 2 is a cross-sectional view of another position of the bottom-screw ointment bottle according to the preferred embodiment of the present invention.

[0032] Figure 6 1 is a bottom view schematically illustrating the assembly unit of the bottom-screw type cream bottle according to the preferred embodiment of the present invention.

[0033] Figure 7 It is a three-dimensional schematic diagram of a local position of the bottom-screw type ointment bottle according to the above preferred embodiment of the present utility model.

[0034] Figure 8 It is a cross-sectional schematic diagram of a modified example of the bottom-screw ointment bottle according to the above preferred embodiment of the present utility model.

[0035] Figure 9 yes Figure 8 A magnified view of the local location.

[0036] Figure 10 It is a three-dimensional schematic diagram of a local position of the bottom-screw type ointment bottle according to the above preferred embodiment of the present utility model.

[0037] Figure 11 It is a three-dimensional schematic diagram of another partial position of the bottom-screw type cream bottle according to the above preferred embodiment of the present invention. DETAILED DESCRIPTION

[0038] Before describing in detail any embodiment of the present invention, it should be understood that the present invention is not limited in its application to the construction and arrangement details of the components set forth in the following description or illustrated in the following figures. The present invention is capable of other embodiments and can be practiced or carried out in various ways. In addition, it should be understood that the words and terms used herein are for descriptive purposes and should not be considered restrictive. The use of "including" or "having" and variations thereof herein is intended to cover the items and their equivalents set forth below, as well as additional items. Unless otherwise specified or limited, the terms "mount", "connect", "support" and "couple" and variations thereof are used broadly and cover direct mounting and indirect mounting, connection, support and coupling. In addition, "connect" and "couple" are not limited to physical or mechanical connections or couplings.

[0039] Furthermore, on the first hand, in the disclosure of the present invention, the terms "longitudinal", "transverse", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like to indicate orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore the above terms cannot be understood as limitations on the present invention; on the second hand, the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" cannot be understood as a limitation on the quantity.

[0040] Refer to the attached drawings of the specification of this utility model Figures 1 to 7In the following description, a bottom-spinning ointment bottle according to a preferred embodiment of the present invention will be disclosed and explained, wherein the bottom-spinning ointment bottle includes a bottle body unit 10, an assembly unit 20, a driving unit 30, a lifting unit 40 and at least one positioning unit 50.

[0041] Specifically, the bottle unit 10 includes a bottle body 11 and a column 12 extending downward from the bottom of the bottle body 11, the bottle body 11 has a bottle body space 111, the column 12 has a column through-hole 121, and the column through-hole 121 of the column 12 is connected to the bottle body space 111 of the bottle body 11.

[0042] In a specific example of the bottom-screw ointment bottle of the present invention, the bottle body 11 and the column 12 of the bottle unit 10 are integrated. For example, the bottle body 11 and the column 12 can be integrally formed by injection molding so that the column 12 extends downward from the bottom of the bottle body 11 as a whole.

[0043] It is worth mentioning that the specific shape of the bottle body 11 of the bottle body unit 10 is not limited in the bottom screw type cream bottle of the present invention. Figures 1 to 7 In the specific example of the screw-on cream bottle of the present invention shown, the bottle body 11 is racetrack-shaped when viewed from above. Alternatively, in other examples of the screw-on cream bottle of the present invention, the bottle body 11 may be circular, oval, or square when viewed from above.

[0044] The assembly unit 20 has an assembly through-hole 21. The assembly unit 20 is located below the bottle body 11 of the bottle body unit 10, and the column 12 extends into the assembly through-hole 21 of the assembly unit 20. It is understood that the outer diameter of the column 12 is slightly smaller than the inner diameter of the assembly through-hole 21 of the assembly unit 20. In this way, when the column 12 is retained in the assembly through-hole 21 of the assembly unit 20, the assembly unit 20 can rotate relative to the bottle body unit 10.

[0045] The driving unit 30 includes a driving seat 31 and a driving column 32 extending upward from the driving seat 31. The driving column 32 has a driving hole 321. Figures 1 to 7In the specific example of the bottom-screw ointment bottle of the present invention shown, the drive seat 31 is fixedly assembled to the assembly unit 20, and the top of the drive column 32 extends into the column through-hole 121 of the column body 12. In this way, the drive unit 30 and the assembly unit 20 form a whole, allowing the drive unit 30 and the assembly unit 20 to rotate synchronously relative to the bottle unit 10. Optionally, in other examples of the bottom-screw ointment bottle of the present invention, the top of the drive column 32 does not extend into the column through-hole 121 of the column body 12, but the position of the drive hole 321 of the drive column 32 corresponds to the position of the column through-hole 121 of the column body 12.

[0046] Reference Attachment Figure 2 、 Figure 3 and Figure 4 The lifting unit 40 includes a lifting seat 41 and a driven rod 42 extending downward from the bottom of the lifting seat 41. The lifting seat 41 is accommodated in the bottle body space 111 of the bottle body 11 in a liftable manner. The driven rod 42 extends into the driving hole 321 of the driving column 32, and the driven rod 42 and the driving column 32 are screwed together. In this way, when the assembly unit 20 and the driving unit 30 are applied with a rotational force and rotate relative to the bottle body unit 10, the driven rod 42 and the driving column 32 cooperate with each other to allow the lifting seat 41 to be lifted and lowered in the bottle body space 111 of the bottle body 11.

[0047] Reference Attachment Figure 2 and Figure 3 The driven rod 42 has a threaded groove 420, and the driving column 32 has at least one driving block 322, and the driving block 322 is formed on the inner wall of the driving column 32 for forming the driving hole 321, wherein the driving block 322 of the driving column 32 is located in the threaded groove 420 of the driven rod 42. In this way, the driven rod 42 and the driving column 32 are screwed together. When the assembly unit 20 and the driving unit 30 are applied with rotational force and rotate relative to the bottle body unit 10, the driving block 322 of the driving column 32 moves in the threaded groove 420 of the driven rod 42 to allow the lifting seat 41 to rise and fall in the bottle body space 111 of the bottle body 11. It can be understood that in other examples of the bottom-screw ointment bottle of the present invention, the driven rod 42 has an external thread and the driving column 32 has an internal thread, so that after the driven rod 42 extends into the driving hole 321 of the driving column 32, the external thread of the driven rod 42 and the internal thread of the driving column 32 cooperate with each other, so that the driven rod 42 and the driving column 32 are screwed together.

[0048] It should be noted that, in the embodiment where the top of the driving column 32 does not extend into the column through-hole 121 of the column body 12, the driven rod 42 extends to the driving hole 321 of the driving column 32 after passing through the column through-hole 121 of the column body 12, and the driven rod 42 and the driving column 32 are screwed together. In this way, when the assembly unit 20 and the driving unit 30 are applied with rotational force and rotate relative to the bottle body unit 10, the driven rod 42 and the driving column 32 cooperate with each other to allow the lifting seat 41 to rise and fall in the bottle body space 111 of the bottle body 11.

[0049] Continue to refer to the attached Figures 1 to 7 The positioning unit 50 includes a positioning portion 51 and a positioning groove 52. The positioning portion 51 is provided on the column 12, and the positioning groove 52 is provided on the assembly unit 20. When the assembly unit 20 and the driving unit 30 rotate relative to the bottle unit 10, the positioning portion 51 can enter or exit the positioning groove 52. When the positioning portion 51 enters the positioning groove 52, the positioning unit 50 can achieve the positioning of the column 12 and the assembly unit 20, that is, the assembly unit 20 and the driving unit 30 are positioned on the bottle unit 10, preventing the assembly unit 20 and the driving unit 30 from rotating uncontrolled. For example, when the positioning portion 51 enters the positioning groove 52, when the user is carrying the bottom-screw cream bottle, the assembly unit 20 and the driving unit 30 will not rotate due to collision or friction with other objects. Only when the user applies a large rotational force to the assembly unit 20 and the driving unit 30 with his hands, the positioning portion 51 can exit the positioning groove 52 and allow the assembly unit 20 and the driving unit 30 to rotate relative to the bottle body unit 10. It can be understood that, during the process of the user rotating the assembly unit 20 and the bottle body unit 10, when the assembly unit 20 and the drive unit 30 rotate a certain angle, the positioning portion 51 will enter the positioning groove 52. If a larger rotational force continues to be applied to the assembly unit 20 and the drive unit 30, the positioning portion 51 will exit the positioning groove 52 again, and after the assembly unit 20 and the drive unit 30 rotate a certain angle, the positioning portion 51 will enter the positioning groove 52 again. This process is repeated. During the process of the user rotating the assembly unit 20 and the drive unit 30, the positioning unit 50 can provide a better feel and enhance the user experience.

[0050] Alternatively, in other examples of the bottom-screw ointment bottle of the present invention, the positioning portion 51 may also be provided on the assembly unit 20, and correspondingly, the positioning groove 52 is provided on the column 12, and when the assembly unit 20 and the driving unit 30 rotate relative to the bottle unit 10, the positioning portion 51 can enter or exit the positioning groove 52. In other words, the positioning portion 51 is provided on one of the column 12 and the assembly unit 20, and the positioning groove 52 is provided on the other of the column 12 and the assembly unit 20, wherein the positioning portion 51 is configured to enter or exit the positioning groove 52.

[0051] Continue to refer to the attached Figures 1 to 7 In this specific example of the bottom-spinning cream bottle of the present invention, the positioning portion 51 is deformable, so that the positioning portion 51 enters or exits the positioning groove 52 in a deformed manner. Figure 2 、 Figure 3 、 Figure 5 、 Figure 6 and Figure 7 The positioning portion 51 includes a positioning platform 511 and two elastic arms 512. The two elastic arms 512 extend from opposite sides of the positioning platform 511 to the column 12 respectively, and a deformation space 100 is formed between the positioning platform 511, the two elastic arms 512 and the column 12, so that the positioning portion 51 can be deformed. When the assembly unit 20 and the drive unit 30 are rotated to cause the positioning portion 51 to exit the positioning groove 52, the inner wall of the assembly unit 20 squeezes the positioning platform 511 of the positioning portion 51, causing the positioning platform 511 to move toward the direction close to the column 12 and causing the elastic arm 512 to deform and accumulate elastic potential energy. When the assembly unit 20 and the drive unit 30 are rotated to the position of the positioning portion 51 corresponding to the position of the positioning groove 52, the elastic arm 512 moves the positioning platform 511 toward the direction away from the column 12 in the process of restoring the initial state, so that the positioning portion 51 enters the positioning groove 52, thereby realizing the positioning of the assembly unit 20 and the bottle unit 10.

[0052] That is to say, the positioning portion 51 can only exit the positioning groove 52 when the rotational force applied to the assembly unit 20 and the driving unit 30 is sufficient to deform the elastic arm 512 of the positioning portion 51. Therefore, when the user carries or uses the bottom-screw cream bottle, the positioning unit 50 can prevent the assembly unit 20 and the driving unit 30 from rotating uncontrolled.

[0053] Preferably, in the attached Figures 1 to 7In the specific example of the bottom-spinning cream bottle of the present invention shown, the positioning portion 51 and the column 12 are integrated, so that the bottom-spinning cream bottle has fewer parts and structures, which is conducive to reducing the manufacturing cost of the bottom-spinning cream bottle.

[0054] It is worth mentioning that the number of the positioning units 50 is not limited in the bottom-spinning cream bottle of the present invention. Figures 1 to 7 In this specific example of the bottom-spinning ointment bottle of the present invention shown, there are two positioning units 50, and the two positioning units 50 are symmetrically arranged. In this way, whenever the rotation angle of the assembly unit 20 and the driving unit 30 reaches 180°, the positioning unit 50 can realize the positioning of the assembly unit 20 and the driving unit 30 and the bottle body unit 10.

[0055] Reference Attachment Figure 5 and Figure 7 The assembly unit 20 includes a top wall 22, a peripheral wall 23, and an annular wall 24. The peripheral wall 23 integrally extends downward from the periphery of the top wall 22, and the annular wall 24 integrally extends downward from the middle portion of the top wall 22. The assembly through-hole 21 of the assembly unit 20 and the positioning groove 52 of the positioning unit 50 are both formed in the annular wall 24. The driving seat 31 of the driving unit 30 is fixedly assembled to the peripheral wall 23 of the assembly unit 20. For example, the four sides of the driving seat 31 can be clamped into the clamping grooves of the peripheral wall 23. Since the peripheral wall 23 extends downward from the periphery of the top wall 22 and the annular wall 24 extends downward from the middle of the top wall 22, the annular wall 24 is surrounded by the peripheral wall 23. In this way, when the assembly unit 20 and the drive unit 30 are rotated to cause the positioning portion 51 to exit the positioning groove 52, the annular wall 24 can be deformed so that the positioning portion 51 can exit the positioning groove 52.

[0056] To increase the elasticity of the annular wall 24 of the assembly unit 20, the annular wall 24 may be provided with at least one pair of bosses 241. The bosses 241 are located on opposite sides of the positioning groove 52 and project toward the assembly through-hole 21 of the assembly unit 20. When the assembly unit 20 and the drive unit 30 are rotated and the positioning portion 51 exits the positioning groove 52, the positioning portion 51 straddles the bosses 241 of the annular wall 24.

[0057] Continue to refer to the attached Figure 4 and Figure 5The driving hole 321 of the driving column 32 is a through-hole, and the driven rod 42 has a rod through-hole 421. The rod through-hole 421 connects the bottle body space 111 of the bottle body 11 and the driving hole 321 of the driving column 32, wherein liquid daily chemical products can be poured into the bottle body space 111 of the bottle body 11 through the driving hole 321 of the driving column 32 and the rod through-hole 421 of the driven rod 42, and when the liquid daily chemical products are solidified into solid, the solid daily chemical products can be carried by the lifting seat 41.

[0058] Reference Attachment Figures 1 to 4 The bottom-screw cream bottle further includes a cover unit 60, and the cover unit 60 includes a bottom cover 61 and a top cover 62, wherein the bottom cover 61 is fixedly assembled to the peripheral wall 23 of the assembly unit 20, and the bottom cover 61 closes the driving hole 321 of the driving column 32. For example, the four sides of the bottom cover 61 can be clamped in the card groove of the peripheral wall 23, wherein the top cover 62 is detachably installed on the bottle body 11, and when the top cover 62 is installed on the bottle body 11, the opening of the bottle body space 111 of the bottle body 11 is in a closed state. After the top cover 62 is removed from the bottle body 11, the opening of the bottle body space 111 of the bottle body 11 is in an open state.

[0059] Attachment Figures 8 to 11 A modified example of the bottom screw type cream bottle is shown. Figures 1 to 7 The bottom screw type cream bottle shown is different in that Figures 8 to 11In the specific example of the bottom-screw ointment bottle shown, the positioning portion 51 is retractable, so that the positioning portion 51 can enter or exit the positioning groove 52 in a retractable manner. Specifically, the positioning portion 51 includes a positioning cylinder 513, a spring 514, and a sphere 515. The positioning cylinder 513 has a mounting cavity 5131. The spring 514 and the sphere 515 are both mounted in the mounting cavity 5131 of the positioning cylinder 513, and the opposite ends of the spring 514 respectively abut against the positioning cylinder 513 and the sphere 515. A portion of the sphere 515 is exposed from the cavity opening of the mounting cavity 5131 of the positioning cylinder 513. The size of the cavity opening of the sphere 515 exposed from the mounting cavity 5131 is adjustable to make the positioning portion 51 retractable, wherein the positioning cylinder 513 is provided on the column 12. When the assembly unit 20 and the drive unit 30 are rotated to cause the positioning portion 51 to exit the positioning groove 52, the inner wall of the assembly unit 20 squeezes the sphere 515 of the positioning portion 51, causing the sphere 515 to retract and the sphere 515 and the positioning cylinder 513 to squeeze the spring 514. The spring 514 is deformed to accumulate elastic potential energy. When the assembly unit 20 and the drive unit 30 are rotated to a position where the positioning portion 51 corresponds to the position of the positioning groove 52, the spring 514 extends the sphere 515 in the process of restoring the initial state, so that the positioning portion 51 enters the positioning groove 52, thereby realizing the positioning of the assembly unit 20 and the bottle unit 10.

[0060] That is to say, only when the rotational force applied to the assembly unit 20 and the driving unit 30 is sufficient to compress the spring 514, the sphere 515 of the positioning portion 51 can retract inward and exit the positioning groove 52 laterally. Therefore, when the user carries or uses the bottom-screw cream bottle, the positioning unit 50 can prevent the assembly unit 20 and the driving unit 30 from rotating uncontrolled.

[0061] In order to set the positioning tube 513 of the positioning portion 51 on the column 12, in the bottom-spinning cream bottle of the present invention, refer to the attached Figure 9 The column 12 has at least one embedding hole 122, and the positioning tube 513 of the positioning portion 51 is embedded in the embedding hole 122 of the column 12, so that the positioning tube 513 is set on the column 12. In this way, the positioning portion 51 can not only be reliably set on the column 12, but also the overall size of the bottom-screw cream bottle can be reduced, which is conducive to the miniaturization of the bottom-screw cream bottle.

[0062] Those skilled in the art will appreciate that the embodiments of the present invention described above and shown in the accompanying drawings are provided for illustrative purposes only and are not intended to limit the present invention. The objectives of the present invention have been fully and effectively achieved. The functional and structural principles of the present invention have been demonstrated and illustrated in the embodiments. Any variations or modifications may be made to the embodiments of the present invention without departing from the principles described.

Claims

1. Bottom screw type cream bottle, characterized in that, include: A bottle unit, wherein the bottle unit comprises a bottle and a column extending downward from the bottom of the bottle, the bottle having a bottle space, the column having a column space, and the column space being connected to the bottle space; an assembly unit, wherein the assembly unit has an assembly through-hole, the assembly unit is located below the bottle body, and the column extends into the assembly through-hole of the assembly unit; A drive unit, wherein the drive unit includes a drive seat and a drive column extending upward from the drive seat, the drive column having a drive hole, the drive seat being fixedly assembled to the assembly unit, and the top of the drive column extending into the column through-hole of the column; a lifting unit, wherein the lifting unit comprises a lifting seat and a driven rod extending downward from the bottom of the lifting seat, the lifting seat being received in the bottle body space of the bottle body in a liftable manner, the driven rod extending into the driving hole of the driving column, and the driven rod and the driving column being screwed together; and At least one positioning unit, wherein the positioning unit includes a positioning portion and a positioning slot, the positioning portion is provided on one of the column and the assembly unit, and the positioning slot is provided on the other of the column and the assembly unit, wherein the positioning portion is constructed to be able to enter or exit the positioning slot. 2 . The bottom-screw type cream bottle according to claim 1 , wherein the positioning portion is provided on the column, and the positioning groove is provided on the assembly unit. 3 . The bottom-screw type cream bottle according to claim 2 , wherein the positioning portion is deformable so that the positioning portion enters or exits the positioning groove in a deformed manner. 4 . The bottom-screw ointment bottle according to claim 2 , wherein the positioning portion is retractable so that the positioning portion enters or exits the positioning groove in a retractable manner.

5. The bottom-screw ointment bottle according to claim 3, wherein the positioning portion comprises a positioning platform and two elastic arms, the two elastic arms respectively extending obliquely from opposite sides of the positioning platform to the column, wherein a deformation space is enclosed between the positioning platform, the two elastic arms and the column to allow the positioning portion to be deformed, wherein the positioning portion and the column are integral.

6. The bottom-screw ointment bottle according to claim 4, wherein the positioning portion comprises a positioning cylinder, a spring and a sphere, the positioning cylinder has a mounting cavity, the spring and the sphere are both mounted in the mounting cavity of the positioning cylinder, and the opposite ends of the spring respectively abut against the positioning cylinder and the sphere, a portion of the sphere is exposed from the cavity opening of the mounting cavity of the positioning cylinder, and the size of the sphere exposed from the cavity opening of the mounting cavity is adjustable so that the positioning portion is retractable, wherein the positioning cylinder is arranged on the column. 7 . The screw-bottom cream bottle according to claim 6 , wherein the column has at least one mounting hole, and the positioning tube of the positioning portion is mounted in the mounting hole of the column, so that the positioning tube is disposed on the column.

8. The bottom-screw ointment bottle according to claim 5, 6 or 7, wherein the assembly unit comprises a top wall, a peripheral wall integrally extending downward from the periphery of the top wall, and an annular wall extending downward from the middle of the top wall, the assembly through-hole of the assembly unit and the positioning groove of the positioning unit are formed in the annular wall, wherein the driving seat of the driving unit is fixedly assembled on the peripheral wall of the assembly unit.

9. The screw-bottom cream bottle according to claim 8, wherein the annular wall of the assembly unit has at least one pair of bosses, wherein the pair of bosses are located on opposite sides of the positioning groove, and the pair of bosses protrude toward the assembly through-hole of the assembly unit.

10. Bottom-screw cream bottle, characterized in that: include: A bottle unit, wherein the bottle unit comprises a bottle and a column extending downward from the bottom of the bottle, the bottle having a bottle space, the column having a column space, and the column space being connected to the bottle space; an assembly unit, wherein the assembly unit has an assembly through-hole, the assembly unit is located below the bottle body, and the column extends into the assembly through-hole of the assembly unit; A drive unit, wherein the drive unit comprises a drive seat and a drive column extending upward from the drive seat, the drive column having a drive hole, the drive seat being fixedly assembled to the assembly unit, the drive hole of the drive column being located at a position corresponding to the column through-hole of the column; a lifting unit, wherein the lifting unit comprises a lifting seat and a driven rod extending downward from the bottom of the lifting seat, the lifting seat being received in the bottle body space of the bottle body in a liftable manner, the driven rod extending into the driving hole of the driving column, and the driven rod and the driving column being screwed together; and At least one positioning unit, wherein the positioning unit includes a positioning portion and a positioning slot, the positioning portion is provided on one of the column and the assembly unit, and the positioning slot is provided on the other of the column and the assembly unit, wherein the positioning portion is constructed to be able to enter or exit the positioning slot.

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