A glass liner structure

Abstract

The utility model relates to the field of glass liner, disclose a kind of glass liner structure, including glass liner body, the outside of glass liner body is provided with glass cup body, the outer wall of glass cup body is fixedly connected with handle, the top outer wall of glass cup body is threadedly connected with cup cover, the inner wall of cup cover is provided with sealing ring, the outer wall of glass liner body is provided with thread groove, the inner wall of glass cup body is fixedly connected with outer thread, the inner wall of glass liner body is fixedly connected with limit bump, the top of limit bump is provided with inner cover, the surface of inner cover is connected with pressure relief hole, the top of inner cover is fixedly connected with support rod. In the utility model, the position of inner cover is fixed by limit bump on the liner body, and multiple groups of cross-shaped pressure relief holes formed on the inner cover can effectively disperse internal pressure, prevent the risk of hot drink spatter when opening the cover, greatly improve the use safety.

Description

Technical Field

[0001] This utility model relates to the field of glass liners, and more particularly to a glass liner structure. Background Technology

[0002] Glass is an amorphous solid, the most common type being silicate glass, primarily composed of silicon dioxide. It is made by melting sand at high temperatures and adding other components. Glass's suitability as an excellent inner liner material is mainly attributed to its exceptional chemical stability and high melting point. High borosilicate glass, specifically designed for inner liners, has an extremely low coefficient of thermal expansion, meaning it is less prone to cracking due to thermal expansion and contraction during drastic temperature changes. This resistance to thermal shock makes it ideal for use as the inner liner of insulated cups and electric kettles.

[0003] The most common glass liners are usually placed in glass cups for use. The glass liner and the glass cup form a double-layer container. The glass liner is in direct contact with the beverage, and the combination of the advantages of glass materials and heat insulation technology achieves safe heat preservation.

[0004] In existing technologies, glass liners are generally integrated with the cup body and sealed by a lid. However, glass liners usually lack an inner lid, which prevents pressure release when the lid is unscrewed. This can lead to the risk of hot liquid splashing and scalding users, the lid flying off and injuring people, and the liner bursting. Therefore, a glass liner structure is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above deficiencies, this utility model provides a glass inner liner structure, which aims to improve the problem that the lack of an inner cover in the existing glass inner liner structure leads to the inability to release pressure and increases the risk of liquid splashing.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a glass inner liner structure, comprising a glass inner liner body, a glass cup body being provided on the outside of the glass inner liner body, a handle being fixedly connected to the outer wall of the glass cup body, a cup lid being threadedly connected to the top outer wall of the glass cup body, a sealing ring being provided on the inner wall of the cup lid, a threaded groove being provided on the outer wall of the glass inner liner body, an external thread being fixedly connected to the inner wall of the glass cup body, a limiting protrusion being fixedly connected to the inner wall of the glass inner liner body, an inner cover being provided on the top of the limiting protrusion, a pressure relief hole being provided through the surface of the inner cover, a support rod being fixedly connected to the top of the inner cover, a spring being fixedly connected to the top of the support rod, a fixing rod being rotatably connected to the inner wall of the cup lid, and an installation cavity being provided on the inner wall of the fixing rod.

[0007] As a further description of the above technical solution:

[0008] The glass cup body is fitted onto the outer wall of the glass inner liner body.

[0009] As a further description of the above technical solution:

[0010] The limiting protrusion is a semi-circular spherical protrusion, and the outer wall of the external thread is threadedly connected to the inner wall of the thread groove.

[0011] As a further description of the above technical solution:

[0012] The support rod is T-shaped, and the outer wall of the top end of the support rod is adapted to the inner wall of the mounting cavity.

[0013] As a further description of the above technical solution:

[0014] The top end of the spring is fixedly connected to the inner wall of the mounting cavity.

[0015] As a further description of the above technical solution:

[0016] The pressure relief holes are arranged in a cross shape, and several groups of pressure relief holes are equally distributed on the outer wall of the inner cover.

[0017] As a further description of the above technical solution:

[0018] The limiting protrusion is located at the bottom of the inner cover, and the diameter of the inner cover is equal to the inner wall diameter of the glass inner liner body.

[0019] As a further description of the above technical solution:

[0020] The bottom of the inner cover is provided with an installation groove, and a rubber block is fixedly connected to the inner wall of the installation groove.

[0021] As a further description of the above technical solution:

[0022] The mounting groove is located at the bottom edge of the inner cover.

[0023] As a further description of the above technical solution:

[0024] The bottom outer wall of the rubber block is in contact with the circumferential surface of the limiting protrusion.

[0025] This utility model has the following beneficial effects:

[0026] 1. In this utility model, the inner lid is fixed by limiting the protrusions, and the pressure is dispersed by the cross-shaped pressure relief hole of the inner lid. The triangular elastic support system inside the lid allows the inner lid to be slowly lifted by the spring when the lid is opened, so as to achieve smooth pressure relief and prevent hot drinks from splashing. The threaded connection structure between the glass cup body and the inner liner body allows the glass inner liner to be quickly separated from the outer cup body after accidental breakage, which is convenient for safe cleaning of fragments and replacement of the inner liner. This optimizes the safety and durability of the product and provides double protection for users of all ages.

[0027] 2. In this utility model, by adding an installation groove and fixing a rubber block at the bottom edge of the inner cover, the rubber block is made to fit tightly against the circumferential surface of the limiting protrusion, forming a flexible sealing interface. This can not only buffer the hard collision between the inner cover and the glass protrusion, reducing the risk of wear, but also enhance the sealing of the contact surface and help stabilize the position of the inner cover. Attached Figure Description

[0028] Figure 1 This is a side view of the main structure of a glass inner liner structure proposed in this utility model;

[0029] Figure 2 This is an exploded side view of the main structure of a glass inner liner structure proposed in this utility model;

[0030] Figure 3 This is a partial cross-sectional schematic diagram of the glass liner body according to the present invention.

[0031] Figure 4 This is a bottom view schematic diagram of a cup lid structure with a glass inner liner proposed in this utility model;

[0032] Figure 5 This is a top view schematic diagram of the inner cover structure of a glass inner liner structure proposed in this utility model.

[0033] Legend:

[0034] 1. Glass inner liner body; 2. Glass cup body; 3. Handle; 4. Cup lid; 5. Sealing ring; 6. Threaded groove; 7. External thread; 8. Restriction protrusion; 9. Inner cover; 10. Pressure relief hole; 11. Support rod; 12. Spring; 13. Fixing rod; 14. Mounting cavity; 15. Mounting groove; 16. Rubber block. Detailed Implementation

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

[0036] Reference Figures 1-3This utility model provides an embodiment of a glass inner liner structure, comprising a glass inner liner body 1, and a glass cup body 2 disposed on the outside of the glass inner liner body 1, providing a basic containing structure to realize liquid storage and heat preservation functions. The glass cup body 2 is fitted onto the outer wall of the glass inner liner body 1, protecting the glass inner liner body 1, reducing damage from external collisions, enhancing the impact resistance of the inner liner, extending its service life and reducing the risk of breakage. The two are separated by an air gap to prevent heat loss, effectively reducing heat dissipation and improving heat preservation efficiency. A handle 3 is fixedly connected to the outer wall of the glass cup body 2 for easy gripping and improved convenience during use. A lid 4 is threadedly connected to the top outer wall of the glass cup body 2. The lid 4 is designed to seal the cup opening, preventing internal liquid from spilling out and ensuring a tight seal for easy carrying and storage, thus preventing accidental leakage. The inner wall of the lid 4 is equipped with a sealing ring 5 to enhance airtightness and liquid tightness, preventing external contaminants from entering. The outer wall of the glass inner liner 1 has a threaded groove 6, providing a standard interface for easy component disassembly and assembly. The inner wall of the glass cup body 2 is fixedly connected with an external thread 7, which mates with the threaded groove 6 to achieve a detachable connection between the glass cup body 2 and the glass inner liner 1. The outer wall of the external thread 7 is threadedly connected to the inner wall of the threaded groove 6, ensuring a secure connection and preventing loosening during use. This ensures structural stability and prevents safety hazards caused by accidental detachment or loosening.

[0037] Reference Figures 3-5The inner wall of the glass liner body 1 is fixedly connected with limiting protrusions 8, which support and limit the internal components, fix the position of the internal components, prevent displacement, and improve overall reliability. The limiting protrusions 8 are semi-circular spherical protrusions, increasing the contact area with the contacting components and reducing frictional damage during contact. The limiting protrusions 8 are made of glass, ensuring consistency with the material of the glass liner body 1, reducing the risk of chemical reactions, avoiding corrosion or contamination caused by material incompatibility, and ensuring food safety. Three sets of limiting protrusions 8 are provided, equidistantly distributed in a circle around the center point of the glass liner body 1, forming a stable support structure, making the force more uniform, achieving balanced force distribution, preventing local stress concentration, and enhancing structural strength. The top of the inner cover 9 covers the opening of the inner liner and assists in internal pressure management. The diameter of the inner cover 9 is equal to the inner wall diameter of the glass inner liner body 1. The protrusion 8 is located at the bottom of the inner cover 9, providing a precise support point to keep the inner cover 9 stable. Pressure relief holes 10 are formed through the surface of the inner cover 9 to release the air pressure inside the glass inner liner body 1. The pressure relief holes 10 are arranged in a cross shape to increase the pressure relief area and efficiency, while reducing the amount of liquid passing through, optimizing pressure relief performance, efficiently releasing gas and minimizing liquid overflow. Several groups of pressure relief holes 10 are equally distributed on the outer wall of the inner cover 9 to ensure uniform air pressure release, avoid excessive local air pressure, achieve uniform pressure release, and prevent structural damage caused by local high pressure. The top of the inner cover 9 is fixed. A support rod 11 connects the spring 12 and the inner cover 9, providing connection and support. The support rod 11 is T-shaped to increase connection stability and prevent it from coming off or wobbling. The top of the support rod 11 is fixedly connected to the spring 12, providing elastic force and allowing the inner cover 9 to move elastically with pressure changes, adapting to internal pressure fluctuations. The cup lid 4 can be screwed in and out to ensure the position of the inner cover 9 remains unchanged, simplifying the operation process, maintaining the stability of internal components, and eliminating the need for additional adjustments. The inner wall of the cup lid 4 is rotatably connected to a fixing rod 13, realizing a rotary opening and closing mechanism and improving user convenience. The inner wall of the fixing rod 13 has an installation cavity 14, providing sliding space for the support rod 11, facilitating installation and maintenance. The outer wall of the top of the support rod 11 is adapted to the inner wall of the installation cavity 14. The support rod 11 slides stably within the mounting cavity 14, ensuring smooth movement, reducing frictional resistance and component wear. The top of the spring 12 is fixedly connected to the inner wall of the mounting cavity 14, fixing the position of the spring 12, providing a reliable source of elastic force, and supporting the pressure relief function. Three sets of support rods 11, springs 12, and fixing rods 13 are respectively arranged to form a triangular support. Utilizing the stability of the triangle, the overall structural stability is enhanced, the stress points are distributed, structural rigidity is improved, and deformation or failure is prevented. When the cup lid 4 is unscrewed, the spring 12 is released and returns to its elastic force. The air pressure in the glass inner liner 1 overflows through multiple pressure relief holes 10, effectively preventing splashing when the lid is opened. This improves safety for elderly people and children, reduces safety risks for special groups, and significantly enhances the safety of opening the lid.Reduce the risk of burns or splashes, especially protecting vulnerable individuals.

[0038] Reference Figure 4 The bottom of the inner cover 9 has a mounting groove 15 to provide a mounting position for the rubber block 16. The mounting groove 15 is located at the bottom edge of the inner cover 9 to optimize the position of the rubber block 16, maximize the contact effect and sealing performance. The rubber block 16 is fixedly connected to the inner wall of the mounting groove 15 to enhance the contact between the inner cover 9 and the limiting protrusion 8. The bottom outer wall of the rubber block 16 contacts the circumferential surface of the limiting protrusion 8. Through the elasticity of the rubber, the collision wear between the inner cover 9 and the limiting protrusion 8 is reduced, while enhancing the sealing performance. It provides a dual function of buffering and sealing, extends the component life and improves the efficiency of air pressure management.

[0039] Working principle: The glass inner liner body 1 and the glass cup body 2 are connected by threads 6 on the outer wall and external threads 7 on the inner wall, forming a double-layer glass protective structure, which enhances overall stability and reduces heat transfer. The handle 3 provides convenient gripping. The lid 4 is sealed by threads on the top outer wall of the glass cup body 2. The sealing ring 5 on the inner wall of the lid 4 further improves the sealing performance and prevents liquid leakage. In the liquid storage state, the inner lid 9 is connected to the inner wall of the glass inner liner body 1 by the rubber block 16 in the bottom edge mounting groove 15 and the three sets of limiting protrusions 8 on the inner wall of the glass inner liner body 1. When in contact with the inner lid 9, the limiting protrusions 8, which are circumferentially distributed semi-circular spherical protrusions, provide support and positioning for the inner lid 9, ensuring that the inner lid 9 stably covers the inside of the inner liner. At this time, the support rod 11 at the top of the inner lid 9 is inserted into the mounting cavity 14 of the fixing rod 13 rotatably connected to the inner wall of the cup lid 4. The three sets of triangularly distributed support rods 11, springs 12, and fixing rods 13 form a stable support structure. The springs 12 are in a compressed state, providing downward pressure to the inner lid 9. This, combined with the contact between the rubber block 16 and the limiting protrusions 8, enhances the sealing of the inner liner. When the lid 4 needs to be opened to retrieve liquid, the compressed spring 12 is released and regains its elasticity during the unscrewing process. As the lid 4 is continuously unscrewed, the air pressure generated inside the glass inner liner 1 due to temperature changes can quickly overflow through the multiple sets of cross-shaped pressure relief holes 10 on the surface of the inner lid 9, achieving air pressure balance. Because the pressure relief holes 10 are evenly distributed and cross-shaped, they can release air pressure evenly, effectively preventing liquid splashing caused by a sudden increase in air pressure when the lid is opened. At the same time, the three sets of limiting protrusions 8 contact the inner lid 9 to prevent the inner lid from... 9. Excessive movement is prevented, while the triangular support structure ensures the stability of the connection between the inner lid 9 and the cup lid 4 during the opening process. In addition, the contact between the rubber block 16 at the bottom of the inner lid 9 and the limiting protrusion 8 can further enhance the sealing effect through elastic contact when the lid is not open. The semi-circular spherical limiting protrusion 8 design reduces the contact area with the rubber block 16, reduces the frictional resistance when opening the lid, and ensures a smooth pressure relief process. The overall structure provides effective safety protection for the elderly, children and other groups when using it through air pressure adaptive adjustment and multiple limit protection.

[0040] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A glass inner liner structure, comprising a glass inner liner body (1), a glass cup body (2) being disposed on the outside of the glass inner liner body (1), a handle (3) being fixedly connected to the outer wall of the glass cup body (2), a cup lid (4) being threadedly connected to the top outer wall of the glass cup body (2), and a sealing ring (5) being disposed on the inner wall of the cup lid (4), characterized in that: The outer wall of the glass inner liner body (1) is provided with a threaded groove (6), the inner wall of the glass cup body (2) is fixedly connected with an external thread (7), the inner wall of the glass inner liner body (1) is fixedly connected with a limiting protrusion (8), the top of the limiting protrusion (8) is provided with an inner cover (9), the surface of the inner cover (9) is provided with a pressure relief hole (10), the top of the inner cover (9) is fixedly connected with a support rod (11), the top end of the support rod (11) is fixedly connected with a spring (12), the inner wall of the cup lid (4) is rotatably connected with a fixing rod (13), and the inner wall of the fixing rod (13) is provided with an installation cavity (14).

2. The glass liner structure according to claim 1, characterized in that: The glass cup body (2) is fitted onto the outer wall of the glass inner liner body (1).

3. The glass liner structure according to claim 1, characterized in that: The limiting protrusion (8) is a semi-circular spherical protrusion, and the outer wall of the external thread (7) is threadedly connected to the inner wall of the thread groove (6).

4. The glass liner structure according to claim 1, characterized in that: The support rod (11) is T-shaped, and the outer wall of the top end of the support rod (11) is adapted to the inner wall of the mounting cavity (14).

5. The glass liner structure according to claim 1, characterized in that: The top end of the spring (12) is fixedly connected to the inner wall of the mounting cavity (14).

6. The glass liner structure according to claim 1, characterized in that: The pressure relief holes (10) are arranged in a cross shape, and several groups of pressure relief holes (10) are opened and distributed at equal intervals on the outer wall of the inner cover (9).

7. The glass liner structure according to claim 1, characterized in that: The limiting protrusion (8) is located at the bottom of the inner cover (9), and the diameter of the inner cover (9) is equal to the inner wall diameter of the glass inner liner body (1).

8. The glass liner structure according to claim 1, characterized in that: The bottom of the inner cover (9) is provided with an installation groove (15), and a rubber block (16) is fixedly connected to the inner wall of the installation groove (15).

9. A glass liner structure according to claim 8, characterized in that: The mounting groove (15) is located at the edge of the bottom of the inner cover (9).

10. A glass liner structure according to claim 8, characterized in that: The bottom outer wall of the rubber block (16) is in contact with the circumferential surface of the limiting protrusion (8).

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