TWI691440B - Waterproof prestressing structure of kettles or cups - Google Patents

Abstract

A waterproof prestressing structure of kettles or cups, which comprises a first body and a second body, one surface of an elastic body is integrally arranged on the first body, when the first body is rotated with the second body, since the one surface of the elastic body is fixed on the first body, the surface does not deform, but only the surface in contact with the second body deforms, so that the elastic body does not over-deform in the state of urgency, which in turn reduces the distortion or damage caused by the rotation of the elastic body.

Description

Waterproof preload structure of kettle or water cup

The present invention relates to the technical field of kettles or cups, and in particular to a waterproof preload structure for kettles or cups.

Please refer to FIG. 1. The general structure of a kettle or a water cup is as follows. It mainly has a cup body 11 and a lid body 12. Since the cup body 11 is mainly filled with liquid, when the lid body 12 is closed on the cup body 11, the material is relatively There will be a gap between the hard lid 12 and the cup 11. In order to prevent the liquid from overflowing after the lid 11 and the lid 12 are closed, it is a practice in the market to set up between the lid 12 and the cup 11 One rubber ring 13.

The cup body 11 mainly has a first screw surface 111 facing the cover body 12, and the cover body 12 has a second screw surface 121 facing the cup body 11, and the rubber ring 13 is installed on the first Between a screw-on surface 111 and the second screw-on surface 121, when the lid 12 and the cup 11 are closed, the material of the aprons 13 is flexible. The flexibility allows the rubber ring 13 to be closely attached to the first screw surface 111 and the second screw surface 121, thereby sealing the cup body 11 and the cover body 12, so as to achieve the effect of preventing liquid from overflowing.

Please refer to FIGS. 2 and 3. During the screwing process of the lid 12 and the cup 11, the aprons 13 not only receive vertical pressure from the cup 11 and the lid 12, because the aprons 13 respectively When the cup 11 and the lid 12 are screwed against the first screw surface 111 and the second screw surface 121, the cup body 11 and the cover body 12 will rotate out of position, and the rubber ring 13 Furthermore, the torsion force generated when the cup body 11 and the cover body 12 are screwed together will cause the cup body 11 and the cover body 12 to be completely screwed together, and then the rubber ring 13 will show a severely deformed state.

Even if the aprons 13 are still in normal use, they will still have serious material distortions, resulting in the loss of the aprons 13 that is easily damaged. In view of this, it is indeed necessary to solve the problem that the aprons 13 are subjected to forces from different directions, resulting in adhesive The problem of circle 13 is seriously distorted.

The purpose of the invention is to solve the defect that the aprons are easily twisted and damaged during use.

In order to achieve the foregoing object, the present invention is a water-proof pre-stressing structure for a kettle or a water cup, including:

A first body with a first connecting portion and a first connecting surface;

A second body having a second connecting portion and a second connecting surface, the second connecting portion is used to connect with the first connecting portion;

An elastic body is made of a flexible material, the elastic body has a first surface and a second surface, the first surface is integrally provided on the first connecting surface, when the first body and the second body In combination, the first connection portion and the second connection portion are connected, and the second surface is pressed against the second connection surface.

In a preferred embodiment, the elastic body is integrally formed on the first connecting surface by gluing, heterogeneous integral molding, heterojunction molding or hot mold opening molding.

In a preferred embodiment, the elastic body is integrally formed by heterogeneity, so that the first surface is integrally formed on the first connection surface.

In a preferred embodiment, the elastic body is formed by heterogeneous bonding, so that the first surface is integrally formed on the first connection surface.

In a preferred embodiment, the elastic body is made of elastic material.

In a preferred embodiment, the material of the elastomer is silicone rubber.

In a preferred embodiment, the first body has an accommodating space open, and the first connecting portion is an internal thread disposed in the accommodating space; the second body includes a cup member and a throat Part, the cup part has an inner wall surface facing the space inside the cup, the inner wall surface is concavely provided with a ring groove, and the throat part is mounted on the cup mouth of the cup part, and the throat part has a convex side facing the inner wall surface A ring rib, the ring rib is concavo-convexly combined with the ring groove, so that the throat part is fixedly combined with the cup part, the throat part is provided with the second connection part, the second connection part is an external thread, and The second connecting surface is located on the cup component, and the first connecting surface surrounds the cup opening of the cup component.

In a preferred embodiment, the elastic body is closely integrated with the first body.

Since the first surface of the elastic body is fixed on the first connecting surface, the first surface of the elastic body will not be deformed by the first body and the second body being twisted, because the elastic body only The second surface may be deformed in the tight state, so that the elastic body will not be excessively deformed in the tight state, thereby slowing the twisting or damage of the elastic body due to twisting.

Please refer to FIG. 4 to FIG. 7, the present invention is a water-proof pre-stressing structure for a kettle or a water cup, including

A first body 20 having a first connecting portion 21 and a first connecting surface 22;

A second body 30 has a second connecting portion 31 and a second connecting surface 32, the second connecting portion 31 is connected to the first connecting portion 21;

An elastic body 40 has a first surface 41 and a second surface 42. The first surface 41 is integrally disposed on the first connection surface 22. When the first connection portion 21 is connected to the second connection portion 31 , The second surface 42 is pressed against the second connection surface 32.

In the first embodiment, the first body 20 is a cup lid, the first body 20 has an accommodating space 23 open, and the first connecting portion 21 is an internal thread disposed in the accommodating space 23 .

The second body 30 includes a cup member 33 and a throat member 34, the cup member 33 has an inner wall surface 331 facing the space inside the cup, the inner wall surface 331 is recessed with a ring groove 332, and the throat member 34 is installed At the mouth of the cup member 33, and the throat member 34 has a ring rib 341 protruding toward the inner wall surface 331, the ring rib 341 is unevenly coupled to the ring groove 332, so that the throat member 34 and the cup member 33 Fixedly combined, the throat member 34 is provided with the second connection portion 31, the second connection portion 31 is an external thread, and the second connection surface 32 is located on the cup member 33, and the first connection surface 22 surrounds the cup opening of the cup part 33.

The elastic body 40 can be formed by heterogeneous integral molding, heterojunction molding, hot mold opening, etc.; the heterogeneous integral molding is to provide a mold, and place the formed first body 20 in the mold, and then the elastic The forming material of the body 40 is poured into the same mold. The forming material of the elastic body 40 is a thermosetting material. When the material of the elastic body 40 and the first body 20 is poured into the mold and heated, the elastic body 40 and the first The main body 20 is fixed and formed into a heterogeneous body.

For the heterojunction molding, the elastic body 40 and the first body 20 are separately formed, and the elastic body 40 and the first body 20 are made of thermoplastic materials, and the molded elastic body 40 or the first body is formed. 20 heating, because it is made of thermoplastic material, the elastic body 40 and the first body 20 can be joined with each other after heating, and after cooling, the two heterogeneous materials are fixed and become a heterojunction molding .

The hot mold opener provides a mold, and the formed first body 20 is placed in the mold. In the example of hot mold opening, the first body 20 is made of a thermoplastic material, and then the elastomer The molding material of 40 is poured into the mold, and the molding material of the elastic body 40 is a thermosetting material. When the mold is heated, the portion of the elastic body 40 attached to the first body 20 is gradually fixed, and at the same time, the first body 20 is heated It gradually melts and is fixed to the elastic body 40, so that the elastic body 40 and the first body 20 become an integrated body.

The elastic body 40 and the first body 20 are tightly integrated into one body. The first surface 41 of the elastic body 40 is integrally provided on the first connection surface 22. When the first body 20 covers the second body 30 , By screwing the first connecting portion 21 with the second connecting portion 31, the second surface 42 of the elastic body 40 abuts against the second connecting surface 32, please refer to FIG. 8 and screw in at the end of the screwing At this time, since the first surface 41 of the elastic body 40 is fixedly coupled to the first connection surface 22, only the second surface 42 of the elastic body 40 will be deformed during tightening.

Preferably, the material of the elastic body 40 is made of an elastic material, such as silicone rubber.

Preferably, in the first embodiment, the elastic body 40 is not limited to only the first surface 41 can be integrally provided on the first connecting surface 22, and the second surface 42 of the elastic body 40 can also be The second connecting surface 32 is integrated, and when the first body 20 and the second body 30 are closed, the first surface 41 is pressed against the first connecting surface 22 and deformed.

Please refer to FIG. 10 to FIG. 12. In the second embodiment, the first body 20 is a lid, and the first body 20 has a head 24 and a screwing portion 25 connected to each other. The diameter is longer than the screw portion 25, the first connection surface 22 is located between the head portion 24 and the screw portion 25, and when the first body 20 covers the second body 30, the first connection The surface 22 faces the second connection surface 32, and the elastic body 40 is disposed on the first connection surface 22.

The screwing portion 25 is provided with the first connecting portion 21, and the first connecting portion 21 is an external thread in the second embodiment, and the second connecting portion 31 of the second body 30 is an internal thread , By screwing the first connecting portion 21 and the second connecting portion 31, the second surface 42 of the elastic body 40 is attached to the second connecting surface 32, please refer to FIG. 12, in the first After the main body 20 and the second main body 30 are tightly screwed together, the first surface 41 where the elastic body 40 is fixed on the first connection surface 22 will not deform, and only the second surface 42 deforms.

Preferably, in the second embodiment, the elastic body 40 is not limited to being able to be integrally provided on the first connecting surface 22 with the first surface 41, and the second surface 42 of the elastic body 40 The second connecting surface 32 is integrated, and when the first body 20 and the second body 30 are closed, the first surface 41 is pressed against the first connecting surface 22 and deformed.

Please refer to FIG. 13. In the last embodiment, the first connection surface 22 is inclined to increase the area of the first connection surface 22, and the elastic body 40 is integrated on the first connection surface 22. Since the elastic body 40 completely covers the first connection surface 22, compared with the second embodiment, in the last embodiment, the area of the elastic body 40 in contact with the first connection surface 22 is larger, so that The elastic body 40 is less likely to fall off the first connection surface 22.

More preferably, the second body 30 has a convex portion 35 protruding toward the elastic body 40. The convex portion 35 abuts the elastic body 40 and the connecting surface 32 when the first body 20 When screwed to the second body 30, the convex portion 35 can closely abut the elastic body 40, so that when the elastic body 40 is screwed to the first body 20 and the second body 30, not only can the elastic body 40 closely abut The connecting surface 32 can be more closely adhered to the protruding portion 35 to further improve the degree of adhesion between the first body 20 and the second body 30.

The above is the structural configuration and connection relationship of the present invention in the first embodiment and the second embodiment. The usage of the present invention is as follows:

For the first embodiment, please refer to FIG. 7 to FIG. 9B, and for the second embodiment, please refer to FIG. 111 to FIG. 12. When the user covers the first body 20 on the second body 30, two states appear, one is Closed state Q1 and an urgent state Q2;

In the closed state Q1, the user first twists the first body 20 and the second body 30 to attach the second surface 42 of the elastic body 40 to the second connection surface 32, as shown in FIG. 7 and the state of Figure 9A;

When the user further tightens the first body 20, the first connecting surface 22 is closer to the second connecting surface 32, so that it is in the pressing state Q2. In the pressing state Q2, the elastic body 40 is caused by Made of a flexible material, so that the second surface 42 of the elastic body 40 is deformed by the second connecting surface 32 being pressed and twisted, and then the elastic body 40 is shaped according to the shape of the second connecting surface 32 It is tightly attached to the second connection surface 32 so as to achieve the effect of preventing water leakage. In particular, the first surface 41 of the elastic body 40 is fixed on the first connection surface 22, therefore, the elastic body The first surface 41 of 40 will not be deformed by the first body 20 and the second body 30 being twisted, but will be in the state as shown in FIGS. 8 and 9B, because the elastic body 40 has only the second surface 42 in The tight state Q2 will be deformed, so that the elastic body 40 will not be excessively deformed when the tight state Q2, thereby further reducing the twisting or damage of the elastic body 40 due to twisting.

Knowledge 11: Cup 111: the first twisted surface 12: Cover 121: second twisted surface 13: aprons this invention 20: the first subject 21: First connection 22: The first connection surface 23: accommodating space 24: head 25: screw joint 30: second subject 31: Second connection 32: Second connection surface 33: Cup parts 331: inner wall surface 332: Ring groove 34: Throat parts 341: Ring rib 35: convex joint 40: Elastomer 41: The first side 42: Second side Q1: closed state Q2: urgent state

Figure 1 is a three-dimensional exploded view of a conventional kettle or cup. Figure 2 is a cross-sectional view of a conventional kettle or cup closed when closed. Figure 3 is a cross-sectional view of the conventional kettle or cup in a tight state after tightening. FIG. 4 is an exploded perspective view of the present invention in the first embodiment. Figure 5 is a partially enlarged view based on the first body in Figure 4. Fig. 6 is a partially enlarged view based on the second body in Fig. 4. 7 is a partial cross-sectional view of the present invention in the closed state in the first embodiment. FIG. 8 is a partial cross-sectional view of the present invention in a pressing state in the first embodiment. Fig. 9A shows the cooperation state of the internal thread and the external thread in the closed state of the present invention. Fig. 9B shows the cooperation state of the internal thread and the external thread in the pressing state of the present invention. Figure 10 is a three-dimensional exploded view of the present invention in the second embodiment. Fig. 10 is a partially enlarged view based on the first body in Fig. 9. 11 is a partial cross-sectional view of the present invention in the closed state in the second embodiment. FIG. 12 is a partial cross-sectional view of the present invention in a pressing state in the second embodiment. FIG. 13 is a partial cross-sectional view of the present invention in the third embodiment.

20: the first subject

21: First connection

22: The first connection surface

23: accommodating space

31: Second connection

32: Second connection surface

33: Cup parts

331: inner wall surface

332: Ring groove

34: Throat parts

341: Ring rib

40: Elastomer

41: The first side

42: Second side

Q2: urgent state

Claims (8)

A water-proof pre-stressing structure for kettle or water cup, including: A first body with a first connecting portion and a first connecting surface; A second body having a second connecting portion and a second connecting surface, the second connecting portion is used to connect with the first connecting portion; An elastic body having a first surface and a second surface, the first surface is integrally provided on the first connection surface, when the first body and the second body are combined, the first connection portion Connected to the second connection portion, the second surface is pressed against the second connection surface. The waterproof preload structure of a kettle or a water cup according to claim 1, wherein the elastic body is formed by hot mold opening, so that the first surface is integrally formed on the first connection surface. The waterproof preload structure of a kettle or a water cup according to claim 1, wherein the elastic body is integrally formed by a heterogeneity, so that the first surface is integrally formed on the first connection surface. The waterproof preload structure of a water bottle or a water cup according to claim 1, wherein the elastic body is formed by heterogeneous bonding, so that the first surface is integrally formed on the first connection surface. The waterproof preload structure of a kettle or a water cup as described in claim 1, wherein the elastic body is made of an elastic material. The waterproof preload structure of a water bottle or a water cup according to claim 1, wherein the material of the elastic body is silicone rubber. The waterproof preload structure of a kettle or a water cup according to claim 1, wherein the first body has an open accommodating space, and the first connecting portion is an internal thread provided in the accommodating space; The second body includes a cup part and a throat part, the cup part has an inner wall surface facing the space in the cup, the inner wall surface is concavely provided with a ring groove, and the throat part is installed on the cup mouth of the cup part, and The throat member has a ring rib protruding toward the inner wall surface, and the ring rib is concavo-convexly coupled to the ring groove, so that the throat member is fixedly combined with the cup member, and the second connection portion is provided on the throat member. The second connecting portion is an external thread, and the second connecting surface is located on the cup component, and the first connecting surface surrounds the cup opening of the cup component. The waterproof preload structure of a kettle or a water cup according to claim 1, wherein the elastic body is tightly integrated with the first body.

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