TW201311513A - Multi-medicament container - Google Patents

Abstract

A multi-medicament container includes a bottle, an elastic ring, a cap, and a sealing member. The bottle has an opening. The elastic ring is coupled to the inner wall of the bottle. A hole is formed along the axial of the elastic ring. The cap is movably received to the opening of the bottle and has an engaging portion. The sealing member has a coupling portion and a plugging portion, with the coupling portion being coupled to the engaging portion. The plugging portion can be either coupled to the elastic ring tightly to seal the hole of the elastic ring or away from the elastic ring.

Description

Multi-chamber container

The present invention relates to a multi-chamber container, and more particularly to a multi-chamber container that can store a plurality of materials separately and mix them before use.

Please refer to Figure 1, the Republic of China Bulletin No. M364680, "The Bottle with Active Separator" patent, discloses a bottle 9, comprising a bundle of waist bottle 91, a divider 92, a fastener 93 and a The bottle cap 94, wherein the upper edge of the waist portion 911 of the waist bottle body 91 forms a buckle 912, and the partition body 921 of the partition 92 is adapted to be clipped to the waist portion 911 of the waist bottle body 91, and the waist bottle body 91 Separated into upper and lower parts, two different liquids can be respectively filled, and the buckle 922 of the partition 92 can be buckled in the buckle groove 931 of the fastener 93, and the buckle cap 932 of the fastener 93 can be clamped. Buckle inside the cap 94. According to this configuration, as long as the cap 94 is opened, the fastener 93 and the partition 92 can be driven to displace the buckle body 921 in the waist portion 911 of the waist bottle body 91 and the buckle 912 upward, so that the partition 92 The bottle opening 913 of the waist bottle body 91 is separated from the bottle 913, and the liquids respectively filled in the upper part and the lower part of the waist part 911 are mixed and used.

Wherein, before the liquid in the upper part and the lower part of the waist portion 911 is not mixed, the upper and lower chambers in the waist bottle body 91 can be surely separated to prevent the liquid stored in the upper chamber from seeping to the lower chamber. The gap between the waist portion 911 of the waist bottle body 91 and the partition body 921 of the partition 92 needs to be fixed in a tight fit manner. Therefore, when the partition 92 is to be separated from the waist bottle body 91, it is necessary to overcome a large Friction. However, whether it is the combination of the cap 94 and the fastener 93, or the combination of the fastener 93 and the partition 92, there is no anti-disengagement structure that is mutually snapped, but only by a tight fit. Therefore, when the user opens the bottle cover 94, the partition body 921 is easily attached to the waist portion 911 of the waist bottle body 91, but instead is between the bottle cover 94 and the fastener 93 or by the fastener 93 and the partition. There is a detachment between the 92s, so that the liquid in the upper and lower chambers still cannot be surely mixed, so the bottle 9 has a problem of inconvenience in operation.

Further, the bottle 9 is restrained by the buckle 912 of the upper side of the partition body 921 being caught by the waist bottle body 91 to prevent the partition body 921 from falling into the lower chamber. Therefore, the separator body 921 and the buckle 912 need to have a precise corresponding shape and size. Once the two cannot be matched, the upper and lower chambers of the waist bottle body 91 cannot be surely separated, so that the bottle is 9 Loss of the function of storing two kinds of liquids separately. Therefore, in terms of manufacturing, the manufacturing cost of the waist bottle body 91 and the separator 92 is increased due to the requirement of increasing manufacturing tolerances. In addition, the foregoing structure can be applied only to a single type of bottle body, that is, a bottle body having a waist body, and thus is inferior in practicability.

The main object of the present invention is to provide a multi-chamber container which can tightly bond a closure portion of a closure member into an elastic ring before opening the bottle cap to surely separate the contents of each chamber and open the bottle. When the cover is closed, the plug portion of the closure member is easily separated from the elastic ring and is separated from the bottle cap to communicate with the respective chambers.

A second object of the present invention is to provide a multi-chamber container which can be improved by the provision of an elastic ring to reduce the degree of bond between the components to reduce manufacturing tolerances.

It is yet another object of the present invention to provide a multi-chamber container that varies the relative dimensions between the various components to accommodate bottles of different shapes.

In order to achieve the foregoing objectives, the technical content of the present invention includes: a multi-chamber container comprising: a bottle body having a bottle mouth; and an elastic ring coupled to the inner peripheral wall of the bottle body, the elastic ring edge An opening is provided in the axial direction; a bottle cap is detachably coupled to the bottle mouth of the bottle body, the bottle cap is provided with a joint portion; and a closing member has a joint portion and a plug portion, and the seal member The joint portion is coupled to the joint portion of the bottle cap, and the plug portion of the closure member is in close contact with the elastic ring to close the opening or separate from the elastic ring.

In the multi-chamber container of the present invention, the maximum radial width of the plug portion of the closure member is smaller than the outer diameter of the elastic ring. Moreover, the inner peripheral wall of the bottle body is provided with an abutting portion, and the elastic ring abuts against the abutting portion, and the bottle body has an inner diameter equal to a section above the abutting portion.

The multi-chamber container of the present invention, wherein the maximum radial width of the plug portion of the closure member is equal to the outer diameter of the elastic ring. Moreover, the inner peripheral wall of the bottle body is provided with an abutting portion, and the elastic ring abuts against the abutting portion, and the inner peripheral wall of the bottle body above the abutting portion is directed by the bottle mouth toward the abutting portion Forming a gradual decrease.

In the multi-chamber container of the present invention, the upper surface of the elastic ring forms a slope, and the slope has a low center and a high outer edge centering on the opening.

The multi-chamber container of the present invention, wherein the closure member comprises a rod body and a valve block, the valve block is disposed at one end of the rod body to form the plug portion, and the other end of the rod body forms the joint portion .

In the multi-chamber container of the present invention, the outer peripheral wall of the valve block is tapered toward the bottom portion and has a sloped shape.

In the multi-chamber container of the present invention, the top of the valve block extends toward the rod body to form a sloped shape.

In the multi-chamber container of the present invention, the joint portion of the cap includes a plurality of protrusions arranged at an annular interval, and each of the protrusions has a hook portion protruding in the axial direction.

The multi-chamber container of the present invention, wherein the joint portion of the cap is provided with an inner/outer thread, and the joint of the closure is provided with a corresponding outer/internal thread.

In the multi-chamber container of the present invention, the lower surface of the elastic ring forms a slope, and the slope has a low center and a high outer edge centering on the opening.

The multi-chamber container of the present invention, wherein the inner peripheral wall of the bottle body is provided with an abutting portion, the elastic ring abuts against the abutting portion, and the maximum inner diameter of the inclined surface of the lower surface of the elastic ring corresponds to the The minimum radial width of the abutting portion of the bottle body is formed to be mutually extended.

The multi-chamber container of the present invention, wherein a minimum inner diameter of the slope of the lower surface of the elastic ring is larger than a minimum inner diameter of the slope of the upper surface of the elastic ring to form a stopper. Moreover, the inner peripheral wall of the elastic ring may be provided with a plurality of inner convex rings.

The above and other objects, features, and advantages of the present invention will become more apparent from the description of the appended claims. It is a perspective exploded view and an axial cutaway sectional view of the first embodiment of the present invention, wherein a part of the components in the second drawing is shown in partial cross section. In this embodiment, the multi-chamber container comprises a bottle body 1, an elastic ring 2, a cap 3 and a closure member 4. The elastic ring 2 is disposed in the bottle body 1. One end of the sealing member 4 can be in close contact with the elastic ring 2, and the chamber 11 of the bottle body 1 is divided into a first chamber 11a and a second chamber 11b. The other end of the closure member 4 is coupled to the bottle cap 3, by which the closure member 4 can be moved so that the closure member 4 can be intimately or separated from the elastic ring 2.

A bottle chamber 1 is formed inside the bottle body 1, and the bottle body 1 has a bottle mouth 12. The bottle body 1 can be provided with a joint portion 13 adjacent to the bottle mouth 12 for positioning and positioning of the bottle cap 3; in this embodiment, The joint portion 13 may be an external thread provided on the outer peripheral wall of the bottle body 1.

The elastic ring 2 is coupled to the inner peripheral wall of the bottle body 1 and may be bonded by means of dispensing. Alternatively, an abutting portion 14 may be provided on the inner peripheral wall of the bottle body 1 for the elastic ring 2 to abut. In this embodiment, the abutting portion 14 is formed. The abutting portion 14 divides the bottle body 1 into an upper portion 1a and a lower portion 1b, and the container 11 of the bottle body 1 is formed into a first volume. The chamber 11a and a second chamber 11b. The upper section 1a and the lower section 1b may be equal inner diameters, or the inner diameter of the upper section 1a may be larger than the inner diameter of the lower section 1b, or the inner diameter of the lower section 1b may be larger than the inner diameter of the upper section 1a. In this embodiment, the inner diameter of the upper portion 1a is smaller than the inner diameter of the lower portion 1b, and the abutting portion 14 may be formed between the upper portion 1a and the lower portion 1b, and protrudes to form a convex portion on the inner peripheral wall of the bottle body 1. edge.

The elastic ring 2 is provided with a through hole 21 in the axial direction. In this embodiment, the outer peripheral wall of the elastic ring 2 is provided with a plurality of outer convex rings 25, so that the maximum outer diameter of the elastic ring 2 can be slightly larger than the upper portion 1a of the bottle body 1. The inner diameter of the elastic ring 2 can be tightly coupled to the upper portion 1a of the bottle body 1 in a radially compressed manner, and the bottom of the elastic ring 2 can abut against the abutment portion 14 of the bottle body 1; The upper surface of the ring 2 can also form a slope 22 which preferably has a middle low and a high outer edge centered on the opening 21 to facilitate the bonding and guiding of the closure member 4.

The cap 3 has a joint portion 31. In the present embodiment, the joint portion 31 may be an internal thread disposed on the axial inner peripheral wall of the cap 3 to correspond to the external thread of the joint portion 13 of the bottle body 1. The cap 3 can be coupled to the bottle 1 and the bottle opening 12 of the bottle 1 can be closed.

In addition, the cap 3 may be provided with a joint portion 32. In the embodiment, the joint portion 32 may be disposed on a surface opposite to the first chamber 11a for the joint member 4 to be combined, and the cap 3 is combined. The portion 32 may include a plurality of bumps 321 disposed at annular intervals, and each of the bumps 321 may also have a hook portion 322 protruding in the axial direction.

The closure member 4 has a joint portion and a plug portion. In the present embodiment, the closure member 4 can include a rod body 41 and a valve block 42. The valve block 42 is disposed at one end of the rod body 41 to form the plug. At the joint, the other end of the rod 41 forms the joint.

The joint portion of the closure member 4 can be coupled to the joint portion 32 of the bottle cap 3; in the embodiment, the joint portion of the closure member 4 can be a shoulder-shaped buckle portion 411, so that the joint portion of the closure member 4 can be slidable. Pushing into the joint portion 32 of the cap 3 and engaging the hook portion 322 of the plurality of bumps 321 through the buckle portion 411 (as shown in FIG. 3), so that the closure member 4 and the cap 3 can be stabilized Combine without breaking.

Moreover, the maximum radial width of the valve block 42 is preferably smaller than the outer diameter of the elastic ring 2, and the valve block 42 can be combined or integrally formed at the other end of the rod body 41, so that the valve block 42 of the sealing member 4 can be The opening 21 of the elastic ring 2 is closed, or the valve block 42 is separated from the opening 21; in addition, the outer peripheral wall of the valve block 42 can be tapered toward the bottom and beveled to the inclined surface of the elastic ring 2. 22 is closely attached. The top surface of the valve block 42 can also be formed to extend to the rod body 41 to form a sloped shape to have a diversion effect.

Referring to FIG. 3, when the assembly is set, the bottle opening 12 of the bottle body 1 is directed upward, and the quantitative first substance S1 is filled into the second chamber 11b of the bottle body 1, and the elastic ring 2 is subsequently placed. The upper portion 1a of the bottle body 1 is pushed into contact with the abutting portion 14 of the bottle body 1; the valve block 42 is continuously placed into the chamber 11 of the bottle body 1, and the opening 21 of the elastic ring 2 is closed to The first substance S1 is sealed in the second chamber 11b. Then, the quantitative second substance S2 is filled into the first chamber 11a of the bottle body 1, and the bottle cap 3 is coupled to the bottle body 1 to close the bottle mouth 12 of the bottle body 1, and the bottle cap is closed. The joint portion 32 of the third portion 32 can be combined with the joint portion (the buckle portion 411) of the closure member 4 to ensure that the valve block 42 can close the opening 21 of the elastic ring 2.

When the valve block 42 of the present invention is coupled to the elastic ring 2, the valve block 42 can be closely coupled to the inclined surface 22 of the elastic ring 2 through the peripheral wall of the inclined surface, and the valve block 42 is subjected to the shaft by the oblique design. When the pressure is applied, the force can be dispersed toward the inclined surface 22 of the elastic ring 2 to synchronously increase the adhesion between the outer side of the elastic ring 2 and the inner peripheral wall of the upper portion 1a of the bottle body 1, and the outer peripheral wall of the valve block 42 and the inclined surface 22 of the elastic ring 2. The tightness between the two, while the valve block 42 is subjected to the axial pulling force, can be easily detached from the inclined surface 22 of the elastic ring 2.

In addition, during the process of bonding the bottle cap 3 to the bottle body 1, the bottle cap 3 which is gradually moved down can be coupled to the joint portion on the rod body 41 of the closure member 4 through the joint portion 32; 41, the combination of the valve block 42 and the elastic ring 2 is made closer.

Referring to FIG. 4, in use, the user can open the cap 3 to disengage the closure member 4 from the elastic ring 2, so that the second chamber 11b communicates with the first chamber 11a; The second substance S2 in the first chamber 11a can pass through the opening 21 of the elastic ring 2 into the second chamber 11b to be mixed with the first substance S1.

In the multi-chamber container of the present invention, since the maximum radial width of the valve block 42 can be smaller than the outer diameter of the elastic ring 2, when the closing member 4 is moved upward, the majority of the second substance S2 in the first chamber 11a can also pass through the valve. The gap between the outer peripheral wall of the block 42 and the inner peripheral wall of the upper portion 1a of the bottle body 1 is moved downward without being driven upward by the valve block 42 to flow out from the bottle opening 12 of the bottle body 1. Further, by the flow guiding slope design of the top surface of the valve block 42, the second substance S2 can be moved to the outer peripheral wall of the valve block 42 to reduce the amount of the second substance S2 remaining on the valve block 42.

Further, please refer to Fig. 5, which is an axial cutaway cross-sectional view showing another aspect of the first embodiment of the multi-chamber container of the present invention. In this embodiment, the outer edge of the lower surface of the elastic ring 2 abuts against the abutting portion 14 of the bottle body 1. The lower surface of the elastic ring 2 forms a slope 23 which is centered on the opening 21 The outer side is high and the outer diameter of the inclined surface 23 preferably corresponds to the minimum radial width of the abutting portion 14 of the bottle body 1 to form a mutual extension. Further, the minimum inner diameter of the inclined surface 23 of the lower surface of the elastic ring 2 is larger than the minimum inner diameter of the inclined surface 22 of the upper surface of the elastic ring 2 to form a stopper portion 231, thereby restricting the fitting portion thereof when the closing member 4 is assembled The depth of the joint prevents the closure member 4 from penetrating over the head. The inner peripheral wall of the elastic ring 2 may also be provided with a plurality of inner convex rings 24. The outer peripheral wall of the valve block 42 of the closure member 4 can be formed in a straight cylindrical shape so as to be correspondingly coupled to the opening 21 of the elastic ring 2, and the airtight effect is enhanced by the plurality of inner convex rings 24.

In use, since the closure member 4 is firmly coupled to the bottle cap 3, the user can drive the closure member 4 out of the elastic ring 2 by opening the cap 3, and the mixed first substance S1 and second substance S2 are used. When it is to be poured out from the second chamber 11b, the slope 23 of the lower surface of the elastic ring 2 can further form a flow guiding effect to reduce the residual first substance S1 and second substance S2 remaining in the second chamber 11b. the amount.

Referring to Figure 6, there is shown an axial cross-sectional view of a second embodiment of the multi-chamber container of the present invention. This embodiment is substantially the same as the first embodiment. The multi-chamber container of the present embodiment is composed of a bottle body 5, an elastic ring 6, a closure member 7, and a cap 3.

In the embodiment, the inside of the bottle body 5 forms a chamber 51, and the bottle body 5 has a bottle opening 52. The bottle body 5 is provided with a joint portion 53 adjacent to the bottle mouth 52 for the bottle cap 3 to be combined and positioned. The bottle body 5 can also be provided with an abutting portion 54 on the inner peripheral wall for abutting the elastic ring 6. The abutting portion 54 divides the bottle body 5 into an upper segment 5a and a lower segment 5b, and the bottle body 5 is The chamber 51 is formed as a first chamber 51a and a second chamber 51b. In this embodiment, the inner diameter of the upper portion 5a is substantially larger than the inner diameter of the lower portion 5b, that is, the inner peripheral wall of the upper portion 5a is designed to be tapered from the bottle opening 52 toward the abutting portion 54, and the tapered design is preferred. It is a slope or arc shape.

The elastic ring 6 is provided with a through hole 61 in the axial direction. In this embodiment, the outer peripheral wall of the elastic ring 6 is provided with a plurality of outer convex rings 63, so that the maximum outer diameter of the elastic ring 6 can be slightly larger than the upper portion of the bottle body 5. The inner diameter of the minimum portion of the bottom portion of the bottom portion 5a is such that the elastic ring 6 can be tightly coupled to the bottom portion of the upper portion 5a of the bottle body 5 in a radially compressed manner, and the elastic ring 6 abuts against the abutment portion 54 of the bottle body 5; When the elastic ring 6 abuts against the abutting portion 54 of the bottle body 5, the inclined surface 62 of the elastic ring 6 forms the same slope or curvature as the tapered inner peripheral wall of the upper portion 5a of the bottle body 5.

The closure member 7 has a rod body 71 and a valve block 72. The valve block 72 is located at one end of the rod body 71. The maximum radial width of the valve block 72 is less than or equal to the outer diameter of the elastic ring 6. The other end of the 71 forms the joint, which can be coupled to the joint 32 of the cap 3.

In addition, in the embodiment, the combination of the joint portion 32 of the bottle cap 3 and the joint portion of the closure member 7 can be selected as a screwing; the joint portion 32 of the bottle cap 3 is provided with an internal thread, and the combination of the closure member 7 The portion is provided with a corresponding external thread, or vice versa, so that the closure member 7 can be stably coupled without the detachment of the cap member 3.

Referring to FIG. 7, when the user opens the cap 3, the closure member 7 can be pulled out from the elastic ring 6 so that the second substance S2 in the first chamber 51a can pass through the elastic ring 6. The port 61 enters the second chamber 51b to be mixed with the first substance S1.

In the present embodiment, since the inner peripheral wall of the upper portion 5a of the bottle body 5 is tapered from the bottle opening 52 toward the abutting portion 54, even if the maximum radial width of the valve block 72 is equal to the outer diameter of the elastic ring 6, There is still a sufficient gap between the outer peripheral wall of the valve block 72 and the inner peripheral wall of the upper portion 5a of the bottle body 5, so that when the closing member 7 moves upward, most of the second substance S2 in the first chamber 51a is also It is possible to move downward through the above-described gap without being driven upward by the valve block 72 to flow out from the bottle opening 52 of the bottle body 5.

In summary, the multi-chamber container of the present invention can tightly bond the plug portion of the closure member to the elastic ring before opening the cap to surely separate the contents of each chamber and open the cap. The plugging portion of the closure member is easily separated from the elastic ring, and is separated from the cap to communicate with the respective chambers, so that the substances in the chambers can be surely mixed, which has the effect of improving the convenience of operation.

In the multi-chamber container of the present invention, even if there is a certain manufacturing error, the abutting portion of the bottle body and the sealing portion of the closing member can be matched and coupled with each other by the arrangement of the elastic ring, so that the components are Manufacturing tolerance requirements do not have to be too high, have the effect of improving yield and reducing manufacturing costs.

The multi-chamber container of the present invention is capable of changing the relative size between the elastic ring and the plug portion of the closure member, so as to be suitable for bottles of different appearances, and has the effect of improving practicability.

While the invention has been described in connection with the preferred embodiments described above, it is not intended to limit the scope of the invention. The technical scope of the invention is protected, and therefore the scope of the invention is defined by the scope of the appended claims.

[this invention]

1. . . Bottle body

1a. . . Upper section

1b. . . Lower section

11. . . Room

11a. . . First chamber

11b. . . Second chamber

12. . . Bottle mouth

13. . . Joint

14. . . Abutment

2. . . Elastic ring

twenty one. . . Port

twenty two. . . Bevel

twenty three. . . Bevel

231. . . Stop

twenty four. . . Inner convex ring

25. . . Outer convex ring

3. . . Cap

31. . . Joint

32. . . combination

321. . . Bump

322. . . Hook

4. . . Closure

41. . . Rod body

411. . . Deduction

42. . . Valve block

5. . . Bottle body

5a. . . Upper section

5b. . . Lower section

51a. . . First chamber

51b. . . Second chamber

52. . . Bottle mouth

53. . . Joint

54. . . Abutment

6. . . Elastic ring

61. . . Port

62. . . Bevel

63. . . Outer convex ring

7. . . Closure

71. . . Rod body

72. . . Valve block

S1. . . First substance

S2. . . Second substance

[知知]

9. . . bottle

91. . . Waist bottle

911. . . waist

912. . . Buckle

913. . . Bottle mouth

92. . . Separator

921. . . Separator body

922. . . Buckle

93. . . Fastener

931. . . Buckle

932. . . Buckle cap

94. . . Cap

Figure 1: Axial section cutaway view of a conventional bottle.

Fig. 2 is an exploded perspective view showing a first embodiment of the present invention, in which some of the members are shown in partial cross section.

Fig. 3 is an axial cutaway sectional view showing a first embodiment of the present invention.

Figure 4 is a schematic view showing the implementation of the first embodiment of the present invention.

Figure 5 is an axial cutaway cross-sectional view showing another aspect of the first embodiment of the present invention.

Figure 6 is an axial cutaway cross-sectional view of a second embodiment of the present invention.

Figure 7 is a schematic view showing the implementation of the second embodiment of the present invention.

1. . . Bottle body

1a. . . Upper section

1b. . . Lower section

11. . . Room

11a. . . First chamber

11b. . . Second chamber

12. . . Joint

13. . . Abutment

14. . . Abutment

2. . . Elastic ring

twenty one. . . Port

twenty two. . . Bevel

25. . . Outer convex ring

3. . . Cap

31. . . Joint

32. . . combination

321. . . Bump

322. . . Hook

4. . . Closure

41. . . Rod body

411. . . Deduction

42. . . Valve block

S1. . . First substance

S2. . . Second substance

Claims (15)

A multi-chamber container comprises: a bottle body having a bottle mouth; an elastic ring coupled to the inner peripheral wall of the bottle body, the elastic ring is provided with a through hole in the axial direction; a cap is detachably coupled The bottle cap is provided with a joint portion; and a closure member has a joint portion and a plug portion, and the joint portion of the seal member is coupled to the joint portion of the bottle cap, the seal member The plug portion may be in close contact with the elastic ring to close the opening or separate from the elastic ring. The multi-chamber container of claim 1, wherein the closure portion has a maximum radial width that is less than an outer diameter of the elastic ring. The multi-chamber container of claim 1, wherein the maximum radial width of the plug portion of the closure member is equal to the outer diameter of the elastic ring. The multi-chamber container according to the second aspect of the invention, wherein the inner peripheral wall of the bottle body is provided with an abutting portion, the elastic ring abuts against the abutting portion, and the bottle body is above the abutting portion. The segments are equal in inner diameter. The multi-chamber container according to the second or third aspect of the invention, wherein the inner peripheral wall of the bottle body is provided with an abutting portion, the elastic ring abuts against the abutting portion, and the bottle body is at the abutting portion. The inner peripheral wall of the above section is tapered toward the abutment by the mouth of the bottle. The multi-chamber container according to the first, second or third aspect of the invention, wherein the upper surface of the elastic ring forms a slope, the slope having a middle low and a high outer edge centered on the opening. The multi-chamber container according to the sixth aspect of the invention, wherein the closure member comprises a rod body and a valve block, the valve block being disposed at one end of the rod body to form the plug portion, the rod body The other end forms the joint. The multi-chamber container according to the seventh aspect of the invention, wherein the outer peripheral wall of the valve block is tapered toward the bottom and has a sloped shape. The multi-chamber container according to claim 8, wherein the top of the valve block extends to face the rod body to form a sloped shape. The multi-chamber container according to the first, second or third aspect of the invention, wherein the joint portion of the bottle cap comprises a plurality of protrusions arranged at an annular interval, and each of the protrusions protrudes toward the axial direction. Hook. The multi-chamber container according to the first, second or third aspect of the invention, wherein the joint of the cap is provided with an inner/outer thread, and the joint of the closure is provided with a corresponding outer/internal thread. The multi-chamber container according to the sixth aspect of the invention, wherein the lower surface of the elastic ring forms a slope, and the slope has a low center and a high outer edge centering on the opening. The multi-chamber container according to claim 12, wherein the inner peripheral wall of the bottle body is provided with an abutting portion, and the elastic ring abuts against the abutting portion, and the inclined surface of the lower surface of the elastic ring is the largest The inner diameter corresponds to the minimum radial width of the abutting portion of the bottle body to form a mutual extension shape. The multi-chamber container according to claim 13, wherein a minimum inner diameter of the slope of the lower surface of the elastic ring is larger than a minimum inner diameter of the slope of the upper surface of the elastic ring to form a stopper. The multi-chamber container according to claim 14, wherein the inner peripheral wall of the elastic ring is provided with a plurality of inner convex rings.