A mug with improved handle connection strength

By using the nested fit of the insertion slot and the insertion protrusion, along with the double fixing structure of the adhesive layer, the problem of low connection strength between the mug handle and the mug is solved, achieving material diversity and aesthetic diversity, while reducing cost and welding complexity.

CN224572516UActive Publication Date: 2026-07-31DONGGUAN YUYUAN PRECISION METAL IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DONGGUAN YUYUAN PRECISION METAL IND CO LTD
Filing Date
2025-09-18
Publication Date
2026-07-31

AI Technical Summary

Technical Problem

Existing mug handles have low connection strength to the mug, making them prone to breakage. Material limitations result in limited functionality and aesthetics, and the welding process is complex and costly.

Method used

The interlocking groove and the interlocking protrusion are nested together to strengthen the secondary engagement between the protrusion and the groove. Combined with the adhesive layer, a dual chemical and physical fixing structure is formed, which increases the connection area and strength.

Benefits of technology

It improves the connection strength between the handle and the cup, expands the choice of materials, enhances safety and aesthetic diversity, simplifies the manufacturing process, and reduces costs.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224572516U_ABST
    Figure CN224572516U_ABST
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Abstract

This utility model discloses a mug with improved handle connection strength, including a mug and a handle disposed on one side of the mug. At least one insertion groove is provided on one side of the mug, and at least one reinforcing protrusion is disposed within the insertion groove. An insertion gap is formed between the reinforcing protrusion and the inner wall of the insertion groove. At least one handle connecting part is provided on one side of the handle, and at least one insertion protrusion is disposed on the side of the handle connecting part facing the mug. At least one reinforcing groove is provided on the side of the insertion protrusion facing the mug. The insertion protrusion is inserted into the insertion gap, and the reinforcing protrusion is inserted into the reinforcing groove. The mug and handle form a double mechanical interlocking structure through the nesting fit of the insertion groove and the insertion protrusion, and the secondary engagement of the reinforcing protrusion and the reinforcing groove, increasing the connection area between the handle and the mug and improving the connection strength. The mug and handle can be made of different materials, relaxing material restrictions and facilitating the manufacture of handles of different shapes, thus improving aesthetic diversity.
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Description

Technical Field

[0001] This utility model relates to the field of mug technology, and in particular to a mug with improved handle connection strength. Background Technology

[0002] A mug is a type of cup, specifically a large-handled cup. The English word for mug is "mug," hence the translation. Mugs are a common household cup, generally used for hot drinks such as milk, coffee, and tea. They are made of materials such as porcelain, enamel, glass, stainless steel, or plastic. When mugs are made of pure porcelain or glazed porcelain, the handle is glued to the mug before firing, and then the mug is formed as a single piece. When mugs are made of glass, the handle is glued to the mug during the firing process, before cooling, fusing the mug and handle into one piece. When mugs are made of plastic, the mug and handle are formed as a single piece using a one-piece molding process. These mugs with one-piece mug and handles have a small connection area between the handle and the mug, making them prone to breakage during use. The connection strength is low, and the handle and mug must be made of the same material, limiting material choices and leading to functional compromises. Especially when the mug material has high thermal conductivity, the handle of the same material will transfer excessive heat, causing burns and reducing safety and comfort. It also stifles design innovation and aesthetic diversity, limiting the design to a single, curved strip handle, resulting in a monotonous shape and making it impossible to reduce cost and weight. When mugs are made of stainless steel, the handle needs to be welded to the mug using a spot welding process. The connection area is also small, making it prone to breakage. Welding can also easily penetrate the mug or handle, making the manufacturing process complex and costly. Therefore, improvements are necessary. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a mug with improved handle connection strength, which improves the connection strength between the mug and the handle, simplifies the manufacturing process, reduces costs, allows for the combination of mugs and handles made of different materials, relaxes the restrictions on materials, and improves aesthetic diversity.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is: a mug with improved handle connection strength, comprising a mug and a handle disposed on one side of the mug, wherein at least one insertion groove is provided on one side of the mug, and at least one reinforcing protrusion is provided in the insertion groove, and an insertion gap is formed between the reinforcing protrusion and the inner wall of the insertion groove.

[0005] At least one handle connection part is provided on one side of the handle. At least one insertion protrusion is provided on the side of the handle connection part facing the cup. At least one reinforcing groove is provided on the side of the insertion protrusion facing the cup. The insertion protrusion is inserted into the insertion gap, and the reinforcing protrusion is inserted into the reinforcing groove.

[0006] In a further technical solution, the handle connection part has a connection surface on the side facing the cup, the connection surface matches the outer surface of the cup, the connection surface is attached to the outer surface of the cup, and the insertion protrusion is provided on the connection surface.

[0007] In a further technical solution, the insertion groove is a cylindrical insertion groove, the reinforcing protrusion is a cylindrical reinforcing protrusion, the reinforcing protrusion is coaxially arranged with the insertion groove, the corresponding insertion protrusion is a cylindrical insertion protrusion, and the reinforcing groove is a cylindrical reinforcing groove.

[0008] In a further technical solution, the insertion slot is an "8" shaped insertion slot, and two cylindrical reinforcing protrusions are provided in the insertion slot. The two reinforcing protrusions and the inner wall of the insertion slot form an "8" shaped insertion gap. The corresponding handle connection part is provided with two insertion protrusions. The two insertion protrusions are connected as one piece and match the "8" shaped insertion slot. The two reinforcing protrusions are respectively inserted into the reinforcing grooves of the two insertion protrusions.

[0009] In a further technical solution, an adhesive layer is provided on the connecting surface between the cup and the handle, and the cup and the handle are fixed together by the adhesive layer.

[0010] In a further technical solution, two insertion slots are provided on one side of the cup, and the two insertion slots are arranged vertically and horizontally. Two handle connecting parts are arranged at intervals on the side of the handle facing the cup. Each handle connecting part is provided with at least one insertion protrusion, and the insertion protrusions of the two handle connecting parts are respectively inserted into the corresponding insertion slots.

[0011] In a further technical solution, the outer end of the reinforcing protrusion abuts against the bottom of the reinforcing groove, there is a first filling gap between the outer wall of the reinforcing protrusion and the inner wall of the reinforcing groove, there is a second filling gap between the outer end of the insertion protrusion and the bottom of the insertion groove, and there is a third filling gap between the outer wall of the insertion protrusion and the inner wall of the insertion groove. The first filling gap and the third filling gap are connected through the second filling gap to form a filling chamber. The filling chamber and the space between the connecting surface and the cup are filled with glue to form an adhesive layer.

[0012] In a further technical solution, an annular filling groove is provided on the connecting surface. The annular filling groove is located on the periphery of the insertion protrusion. The annular filling groove is connected to the third filling gap and is filled with glue.

[0013] In a further technical solution, the connecting surface is provided with multiple reinforcing filling grooves, and each reinforcing filling groove is filled with adhesive.

[0014] In a further technical solution, the handle is also provided with a decorative part, which is located on the side of the handle connection part, and the decorative part is provided with a protrusion or groove in the shape of a pattern or text.

[0015] The advantages of this invention compared to existing technologies are as follows: The cup and handle are interlocked through a nested fit between the insertion groove and the insertion protrusion, and a secondary fit between the reinforcing protrusion and the reinforcing groove, forming a double mechanical interlocking structure. This increases the connection area between the handle and the cup, improving connection strength. The cup and handle are separate structures, allowing them to be made of different materials, relaxing material restrictions, avoiding burns caused by heat-conducting materials, improving safety and comfort, and facilitating the creation of handles of different shapes, thus enhancing aesthetic diversity. The increased connection area between the handle and the cup through the connecting surface reduces localized pressure exerted by the handle on the cup, and the adhesive bonding further increases the bonding area, further improving connection strength. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0017] Figure 1 This is a structural schematic diagram of Embodiment 1 of the present utility model;

[0018] Figure 2 This is an exploded view of Embodiment 1 of this utility model;

[0019] Figure 3 This is a structural schematic diagram of Embodiment 2 of this utility model;

[0020] Figure 4 This is an exploded view of Embodiment 2 of this utility model;

[0021] Figure 5 This is a cross-sectional view of Embodiment 2 of this utility model;

[0022] Figure 6 This is the utility model Figure 5 Enlarged view of part A;

[0023] Figure 7 This is a structural schematic diagram of Embodiment 3 of this utility model;

[0024] Figure 8 This is an exploded view of Embodiment 3 of this utility model;

[0025] Figure 9 This is a structural schematic diagram of Embodiment 4 of this utility model;

[0026] Figure 10 This is an exploded view of Embodiment 4 of this utility model.

[0027] In the picture:

[0028] 1 cup, 11 insertion slots, 12 reinforcing protrusions;

[0029] 2. Handle, 21. Handle connecting part, 211. Connecting surface, 22. Inserting protrusion, 23. Reinforcing groove, 24. Annular filling groove, 25. Reinforcing filling groove, 26. Decorative part;

[0030] 31 First filling gap, 32 Second filling gap, 33 Third filling gap. Detailed Implementation

[0031] The following are merely preferred embodiments of the present invention and do not limit the scope of protection of the present invention.

[0032] Example 1

[0033] A mug with improved handle connection strength, such as Figure 1 and Figure 2 As shown, the device includes a cup 1 and a handle 2 located on one side of the cup 1. Two insertion slots 11 are provided on one side of the cup 1, and the two insertion slots 11 are arranged vertically at intervals. Each insertion slot 11 is provided with a reinforcing protrusion 12, and each reinforcing protrusion 12 forms an insertion gap with the inner wall of each insertion slot 11. A handle connecting part 21 is provided on one side of the handle 21, and two insertion protrusions 22 are provided on the side of the handle connecting part 21 facing the cup 1. Each insertion protrusion 22 is provided with a reinforcing groove 23 on the side of the cup 1, and each insertion protrusion 22 is inserted into the corresponding insertion gap, and the reinforcing protrusion 12 is inserted into the reinforcing groove 23. Traditional mugs have a one-piece structure for the cup 1 and handle 2, which limits the choice of materials and leads to compromises in functionality. Especially when the cup material has high thermal conductivity, the handle of the same material will transfer excessive heat, causing burns and reducing safety and comfort. It also stifles design innovation and aesthetic diversity, limiting the design to a single, curved strip shape, which cannot reduce cost and weight. Furthermore, welding the handle 2 is complex, carries the risk of burn-through, has poor connection strength, and is prone to breakage. In contrast, this invention uses a double mechanical interlocking structure between the cup 1 and handle 2 through the nested engagement of the insertion groove 11 and the insertion protrusion 22, and the secondary engagement of the reinforcing protrusion 12 and the reinforcing groove 23. This increases the connection area between the handle 2 and the cup 1, improving connection strength. The separate structure of the cup 1 and handle 2 allows them to be made of different materials, relaxing material limitations, avoiding burns caused by heat-conducting materials, improving safety and comfort, and facilitating the creation of handles of different shapes, thus enhancing aesthetic diversity.

[0034] Specifically, the connecting surfaces 211 between the cup 1 and the handle 2 are provided with an adhesive layer, and the cup 1 and the handle 2 are fixed together by the adhesive layer. The adhesive layer covers the entire connecting surface and works in conjunction with the mechanical interlock to form a dual chemical and physical fixing structure, further improving the connection strength.

[0035] Specifically, the handle connector 21 has a connecting surface 211 on the side facing the cup 1. The connecting surface 211 matches the outer surface of the cup 1 and is attached to the outer surface of the cup 1. The insertion protrusion 22 is provided on the connecting surface 211. By increasing the connection area between the handle 2 and the cup 1 through the connecting surface 211, the local pressure exerted by the handle 2 on the cup 1 is reduced, local stress concentration is avoided, the risk of handle 2 breakage is reduced, and reliability and stability are improved. It can also eliminate gaps, resulting in a smoother appearance and improved aesthetics. The connecting surface 211 can also increase the bonding area, further improving the connection strength.

[0036] Specifically, the insertion groove 11 is cylindrical, the reinforcing protrusion 12 is cylindrical, and the reinforcing protrusion 12 is coaxially arranged with the insertion groove 11. Correspondingly, the insertion protrusion 22 is cylindrical, and the reinforcing groove 23 is cylindrical. The cylindrical insertion groove 11 and reinforcing protrusion 12 have simple structures, are easy to mold or machine, and reduce production costs. The coaxial arrangement of the reinforcing protrusion 12 with the insertion groove 11 improves the uniformity of force during insertion and enhances the resistance to rotation.

[0037] Specifically, such as Figure 6 As shown, the outer end of the reinforcing protrusion 12 abuts against the bottom of the reinforcing groove 23. A first filling gap 31 exists between the outer wall of the reinforcing protrusion 12 and the inner wall of the reinforcing groove 23. A second filling gap 32 exists between the outer end of the insertion protrusion 22 and the bottom of the insertion groove 11. A third filling gap 33 exists between the outer wall of the insertion protrusion 22 and the inner wall of the insertion groove 11. The first filling gap 31 and the third filling gap 33 are connected through the second filling gap 32 to form a filling chamber. Adhesive is filled within the filling chamber and between the connecting surface 211 and the cup 1, forming an adhesive layer. The adhesive fills the filling chamber and the gap between the connecting surface 211 and the cup 1, forming a continuous internal adhesive skeleton, improving the overall integrity of the connection area and increasing the bonding strength. After the adhesive cures, it forms a rigid support, eliminating the risk of loosening caused by fretting wear of the components.

[0038] Specifically, the connecting surface 211 has an annular filling groove 24, which is located around the insertion protrusion 22. The annular filling groove 24 communicates with the third filling gap 33 and is filled with adhesive. The annular filling groove 24 forms an adhesive sealing ring around the insertion protrusion 22, preventing edge peeling, improving impact resistance, preventing liquid from entering the filling chamber, preventing bacterial growth, and further increasing the volume of the adhesive skeleton, thereby further improving the connection strength.

[0039] Specifically, the handle 2 is also provided with a decorative part 26, which is located next to the handle connecting part 21. The decorative part 26 is provided with raised parts or grooves in the shape of patterns or text. The decorative part 26 can be used for personalization and beautification, increasing plasticity and improving aesthetics.

[0040] Example 2

[0041] A mug with improved handle connection strength, such as Figures 3 to 6 As shown, this embodiment has a structure that is basically the same as that of Embodiment 1. The difference is that in this embodiment, the cup 1 has two insertion slots 11 on one side, which are spaced apart vertically. The handle 2 has two handle connecting parts 21 spaced apart on the side facing the cup 1. Each handle connecting part 21 has at least one insertion protrusion 22, and the insertion protrusions 22 of the two handle connecting parts 21 are respectively inserted into the corresponding insertion slots 11. By setting two handle connecting parts 21, this embodiment can adapt to the traditional arc-shaped handle 2, increase the distance between the two insertion slots 11, and improve the uniformity of force on the cup 1.

[0042] Example 3

[0043] A mug with improved handle connection strength, such as Figure 7 and Figure 8 As shown, this embodiment has a structure that is basically the same as that of Embodiment 1. The difference is that in this embodiment, a plug-in groove 11 is provided on one side of the cup 1, and a handle connecting part 21 is provided on one side of the handle 2. The plug-in groove 11 is a figure-eight shaped plug-in groove 11. Two cylindrical reinforcing protrusions 12 are provided in the plug-in groove 11. The two reinforcing protrusions 12 form a figure-eight shaped plug-in gap with the inner wall of the plug-in groove 11. Correspondingly, the handle connecting part 21 is provided with two plug-in protrusions 22. The two plug-in protrusions 22 are connected as one piece and match the figure-eight shaped plug-in groove 11. The two reinforcing protrusions 12 are respectively inserted into the reinforcing grooves 23 of the two plug-in protrusions 22. The figure-eight shaped plug-in groove 11 and the two reinforcing protrusions 12 form a distributed anchoring structure, which is more stable when bearing multi-directional loads. The two plug-in protrusions 22 are connected as one piece to avoid the risk of single-point failure, which is especially suitable for large-capacity mugs or mugs with small handles 2.

[0044] Example 4

[0045] A mug with improved handle connection strength, such as Figure 9 and Figure 10 As shown, this embodiment has a structure that is basically the same as that of Embodiment 1. The difference is that the connecting surface 211 is also provided with multiple reinforcing filling grooves 25, and each reinforcing filling groove 25 is filled with glue. The reinforcing filling grooves 25 form a glue reinforcing rib network, which further evenly distributes the load, reduces the risk of cracking, and improves the connection strength.

[0046] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of ​​this utility model. The content of this specification should not be construed as a limitation of this utility model.

Claims

1. A mug with improved handle connection strength, comprising a cup (1) and a handle (2) arranged on one side of the cup (1), characterized in that: The cup (1) has at least one insertion groove (11) on one side, and at least one reinforcing protrusion (12) is provided in the insertion groove (11). An insertion gap is formed between the reinforcing protrusion (12) and the inner wall of the insertion groove (11). At least one handle connection part (21) is provided on one side of the handle (2). At least one insertion protrusion (22) is provided on the side of the handle connection part (21) facing the cup (1). At least one reinforcing groove (23) is provided on the side of the insertion protrusion (22) facing the cup (1). The insertion protrusion (22) is inserted into the insertion gap, and the reinforcing protrusion (12) is inserted into the reinforcing groove (23).

2. The mug with improved handle connection strength according to claim 1, characterized in that: The handle connecting part (21) is provided with a connecting surface (211) on the side facing the cup (1). The connecting surface (211) matches the outer surface of the cup (1) and is attached to the outer surface of the cup (1). The plug-in protrusion (22) is provided on the connecting surface (211).

3. The mug with improved handle connection strength according to claim 2, characterized in that: The insertion groove (11) is a cylindrical insertion groove (11), the reinforcing protrusion (12) is a cylindrical reinforcing protrusion (12), the reinforcing protrusion (12) is coaxially arranged with the insertion groove (11), the corresponding insertion protrusion (22) is a cylindrical insertion protrusion (22), and the reinforcing groove (23) is a cylindrical reinforcing groove (23).

4. The mug with improved handle connection strength according to claim 2, wherein: The insertion groove (11) is an "8" shaped insertion groove (11), and two cylindrical reinforcing protrusions (12) are provided in the insertion groove (11). The two reinforcing protrusions (12) and the inner wall of the insertion groove (11) form an "8" shaped insertion gap. Correspondingly, the handle connecting part (21) is provided with two insertion protrusions (22). The two insertion protrusions (22) are connected as one piece and match the "8" shaped insertion groove (11). The two reinforcing protrusions (12) are respectively inserted into the reinforcing grooves (23) of the two insertion protrusions (22).

5. The mug with improved handle connection strength according to any one of claims 2 to 4, characterized in that: The connecting surfaces (211) between the cup (1) and the handle (2) are provided with adhesive layers, and the cup (1) and the handle (2) are fixed together by adhesive layers.

6. The mug with improved handle connection strength according to claim 5, characterized in that: Two insertion slots (11) are provided on one side of the cup (1), and the two insertion slots (11) are arranged vertically and horizontally. Two handle connecting parts (21) are arranged on the side of the handle (2) facing the cup (1), and each handle connecting part (21) is provided with at least one insertion protrusion (22). The insertion protrusions (22) of the two handle connecting parts (21) are respectively inserted into the corresponding insertion slots (11).

7. The mug with improved handle connection strength according to claim 5, wherein: The outer end of the reinforcing protrusion (12) abuts against the bottom of the reinforcing groove (23). There is a first filling gap (31) between the outer side wall of the reinforcing protrusion (12) and the inner side wall of the reinforcing groove (23). There is a second filling gap (32) between the outer end of the insertion protrusion (22) and the bottom of the insertion groove (11). There is a third filling gap (33) between the outer side wall of the insertion protrusion (22) and the inner side wall of the insertion groove (11). The first filling gap (31) and the third filling gap (33) are connected through the second filling gap (32) to form a filling chamber. The filling chamber and the space between the connecting surface (211) and the cup (1) are filled with glue to form the adhesive layer.

8. The mug with improved handle connection strength according to claim 7, characterized in that: The connecting surface (211) has an annular filling groove (24), which is located around the insertion protrusion (22). The annular filling groove (24) is connected to the third filling gap (33), and the annular filling groove (24) is filled with the glue.

9. A mug with improved handle connection strength according to claim 7, characterized in that: The connecting surface (211) is also provided with a plurality of reinforcing filling grooves (25), and each reinforcing filling groove (25) is filled with the adhesive.

10. The mug with improved handle connection strength as claimed in claim 5, wherein: The handle (2) is also provided with a decorative part (26), which is located on the side of the handle connecting part (21). The decorative part (26) is provided with a protrusion or groove in the shape of a pattern or text.