CN103705070A - Titanium-alloy composite vacuum cup - Google Patents

Abstract

The invention provides a titanium alloy composite thermos cup, which belongs to the technical field of daily necessities and utensils. It solves the technical problems such as the high price of the existing titanium metal insulation cup. The thermos cup includes a titanium alloy inner tank body and a stainless steel inner tank sleeve. Both the inner tank body and the stainless steel inner tank sleeve are in the shape of a cylinder. The opening direction of the two is the same in the liner sleeve, and the upper end opening of the liner body is exposed outside the liner sleeve. There is a continuous and closed vacuum cavity between the inner surface and the outer surface of the liner sleeve. When the inner tank body and the inner tank sleeve are plugged in place, the vacuum cavity covers the side and bottom surface of the inner tank body. The invention can improve the aesthetics of the thermos cup, save resources and reduce the price.

Description

A composite vacuum cup made of titanium alloy

technical field

The invention belongs to the technical field of daily necessities and appliances, and relates to a thermos cup, in particular to a titanium alloy composite thermos cup.

Background technique

The thermos cup is generally a water container made of ceramics or stainless steel with a vacuum cavity. It has a cover on the top and is tightly sealed. The vacuum insulation layer can delay the heat dissipation of the water and other liquids contained inside to achieve the purpose of heat preservation.

Existing thermos cups are also made of titanium alloy in order to look good and not rust, such as a titanium metal double-layer thermos cup disclosed in the patent (201220218821.9), including a cup body and a cup cover, and the cup body includes a titanium metal inner There is a gap layer between the titanium metal inner tank and the titanium metal outer shell, the inner tank and the outer shell of the cup body are made of titanium metal with a titanium content of 95% or more, and the vacuum or air in the gap layer . Titanium has many excellent properties. Compared with traditional stainless steel thermos cups, it can greatly improve the corrosion resistance of thermos bottles.

Although the titanium thermos cup of the above patent has many advantages, there are also disadvantages. The price of titanium alloy is relatively high, and many parts of the thermos cup can neither see nor touch the user's mouth. If these parts are also made of titanium Alloys are often not necessary, resulting in a waste of resources.

Contents of the invention

The present invention aims at the above-mentioned problems existing in the existing technology, and provides a titanium alloy composite thermos cup. The technical problem to be solved by the present invention is: how to realize the composite structure of titanium alloy and other metals in the thermos cup.

The purpose of the present invention can be achieved through the following technical solutions:

A titanium alloy composite thermos cup, characterized in that the thermos cup comprises a titanium alloy inner tank body and a stainless steel inner tank sleeve, both of the inner tank body and the stainless steel inner tank sleeve are cylindrical, and the inner tank body The upper end has an opening, and the upper end of the liner sleeve also has an opening. The inner liner body is inserted into the liner sleeve and the opening direction of the two is the same. The upper end opening of the inner liner body is exposed outside the liner sleeve. . There is a continuous and closed vacuum cavity between the inner surface and the outer surface of the liner sleeve, and when the inner liner body and the liner sleeve are plugged in place, the vacuum cavity covers the inner liner body sides and bottom.

The principle is as follows: the vacuum cavity is the cavity between the inner surface and the outer surface of the liner sleeve. After vacuuming, a vacuum cavity is formed. This vacuum cavity also covers the side and bottom surface of the liner sleeve, so that the inner liner The liner has the effect of insulating heat transfer. Because the inner tank body is in contact with drinking water, it is made of titanium alloy, which can ensure the hygiene of drinking water, and because the inner tank body can be seen by people, the titanium alloy can improve the aesthetics. Since the stainless steel liner only plays the role of support and heat preservation, it is not easy to be seen by people, and it is not in contact with drinking water, so designing it as a stainless steel part can fully meet the requirements, and save a part of titanium alloy, thereby saving resources. The upper opening of the inner tank body is exposed to the outside of the inner tank cover to fully ensure the safety of drinking water and prevent the stainless steel parts from contacting the mouth of the human body.

In the above-mentioned titanium alloy composite thermos cup, the thermos cup also includes a titanium alloy cup mouth sleeve, and the cup mouth sleeve is sleeved on the outer side of the upper part of the inner tank body, and the cup mouth sleeve and the inner tank body Coaxially arranged, and the upper end edge of the cup sleeve and the opening edge of the inner body are fixed and sealed to each other, and an upper end seal is formed between the inner surface of the cup sleeve and the outer surface of the inner body And the lower end has an open interlayer, and the upper part of the liner sleeve is plugged into the interlayer. After adding the cup cover, it can ensure that the upper part of the thermos cup is made of titanium alloy, which further improves the aesthetics. At the same time, the upper part of the liner cover is inserted into the interlayer, so that the upper part of the liner cover does not contact the outside world. Ensure the appearance and safety of drinking water. At the same time, the cup cover and the inner tank body can be fixed to form a whole. The whole and the inner tank cover are assembled to improve the speed of assembly. At the same time, no matter which part is damaged, the maintenance is also very fast. At the same time , if the cup sleeve is directly welded to the inner tank sleeve, it is difficult to weld stainless steel and titanium alloy. This type of soldering is easier.

In the above-mentioned titanium alloy composite thermos cup, the inner surface of the inner liner cover and the outer surface of the inner liner body abut against each other, and the outer surface of the upper part of the inner liner cover and the inner surface of the mouth cover against each other. The two sides are all abutted so that the inner liner cover, the inner liner body and the cup mouth cover ensure radial positioning, so that the thermos cup will not shake when in use.

In the above-mentioned titanium alloy composite thermos cup, the opening edge of the inner body is turned outwards to form a flange, and the outer edge of the flange and the upper edge of the cup mouth are sealed and fixed by welding, And the welds of the two are polished to form a smooth transition surface. The flanging formed by the opening of the inner tank body can not only play the role of welding with the cup sleeve, but also make the opening of the inner tank body form an arc-shaped transition surface by turning over, which improves the comfort of drinking water. After being sealed by welding, drinking water It will not come into contact with the stainless steel parts inside the interlayer, which improves safety and aesthetics.

In the aforementioned titanium alloy composite thermos cup, the height of the mouth cover is 1/3 to 1/10 of the height of the inner tank. The mouth cover mainly ensures that the mouth of the human body will not come into contact with the liner when drinking water. Therefore, if the height of the mouth cover is too high, it is a waste of titanium metal, and if it is too low, it cannot fully guarantee the safety of drinking water. aspect requirements.

In the above-mentioned titanium alloy composite thermos cup, the inner liner includes a stainless steel inner casing and a stainless steel outer casing with openings, the outer casing is sleeved on the outer side of the inner casing, and the opening directions of the two are the same The opening edge of the outer casing and the opening edge of the inner casing are sealed and fixed by welding, and a sealed vacuum cavity is formed between the outer casing and the inner casing. The vacuum cavity can be formed by vacuuming after sealing, and the welding between stainless steel and stainless steel is relatively easy.

In the aforesaid titanium alloy composite thermos cup, the thermos cup also includes a fastening ring and an outer shell, the outer shell is a non-metallic part, and the outer shell is sleeved on the outside of the inner liner sleeve. The shell has an opening and the opening direction is the same as the opening direction of the inner liner sleeve, the fastening ring is sleeved on the outer surface of the cup sleeve, and the fastening ring is located at the opening of the cup sleeve, so The inner surface of the fastening ring abuts against the outer surface of the opening of the cup sleeve and the former has a radially inward pre-tightening force on the latter, the lower end surface of the fastening ring and the outer surface of the outer shell The upper end faces are against each other. After the shell is installed, the shell can be modified to improve the aesthetics. The shell has a certain heat preservation effect. The pre-tightening force generated by the fastening ring makes the cup sleeve, the inner sleeve and the inner tank body tightly form a whole to prevent shaking .

In the aforementioned titanium alloy composite thermos cup, the outer surface of the mouth sleeve has a helical external thread along its axial direction, and the upper inner surface of the inner body has a ring-shaped rim. The external thread is used to tighten the cup lid and other components, and the retaining edge is used to support the filter screen and other components, thereby enriching the functions of the thermos cup.

Compared with prior art, advantage of the present invention is as follows:

1. The inner body of the thermos cup is made of titanium alloy, which can ensure the hygiene of drinking water and improve the aesthetics. The use of stainless steel parts for the stainless steel liner can fully meet the requirements, and a part of the titanium alloy is saved, thereby saving resources.

2. After adding the cup cover to the thermos cup, it can ensure that the upper part of the thermos cup is made of titanium alloy, which further improves the aesthetics, ensures the appearance and drinking water safety, and welds the cup cover to the inner tank body after passing the inner tank cover , to form a weld between titanium alloy and titanium alloy, which is relatively easy to weld.

Description of drawings

Fig. 1 is a structural sectional view of the thermos cup.

Fig. 2 is an enlarged view of part A in Fig. 1 .

In the figure, 1 inner tank body; 2 inner tank sleeve; 3 vacuum cavity; 4 cup mouth sleeve; 5 interlayer; 6 flanging; 7 inner sleeve body; ; 12 retaining edges.

Detailed ways

The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

As shown in Figure 1 and Figure 2, the thermos cup includes a titanium alloy inner tank body 1 and a stainless steel inner tank sleeve 2, the inner tank body 1 and the stainless steel inner tank sleeve 2 are both cylindrical in shape, and the thermos cup also includes a titanium alloy cup mouth sleeve 4. The height of the mouth cover 4 is 1/3 to 1/10 of the height of the inner tank body 1 . The mouth cover 4 mainly ensures that the mouth of the human body will not come into contact with the liner cover 2 when drinking water. Therefore, the height of the mouth cover 4 is too high to waste titanium metal, and the height of the cup cover 4 is too low to fully ensure the safety of drinking water. Within the above interval value, after testing Can meet the requirements of two aspects. The thermos cup also includes a fastening ring 9 and an outer shell 10, the outer shell 10 is a non-metallic part, the outer shell 10 is sleeved outside the inner liner cover 2, the outer shell 10 has an opening and the opening direction is the same as that of the inner liner cover 2, tight The fixed ring 9 is sleeved on the outer surface of the cup sleeve 4, and the fastening ring 9 is located at the opening of the cup sleeve 4, and the inner surface of the fastening ring 9 is against the outside of the opening of the cup sleeve 4. On the side and the former has a radially inward preload on the latter, the lower end surface of the fastening ring 9 and the upper end surface of the housing 10 abut against each other. After the outer shell 10 is provided, the outer shell 10 can be modified to improve the aesthetics. The outer shell 10 has a certain heat preservation effect, and the pre-tightening force generated by the fastening ring 9 makes the cup mouth cover 4, the inner liner cover 2 and the inner liner body 1 tight. form a whole to prevent shaking. The outer surface of the cup sleeve 4 has a helical external thread 11 along its axial direction, and the upper inner surface of the inner tank body 1 has an annular rim 12 . The external thread 11 is used to tighten parts such as the cup cover, and the retaining edge 12 is used to support parts such as a filter screen, thereby enriching the functions of the thermos cup.

Specifically, the upper end of the inner tank body 1 has an opening, and the upper end of the inner tank cover 2 also has an opening, and there is a continuous and closed vacuum cavity 3 between the inner surface and the outer surface of the inner tank cover 2, and the vacuum cavity 3 covers The side surface and the bottom surface of the liner sleeve 2, the cup sleeve 4 is sleeved on the upper outside of the inner tank body 1, the cup sleeve 4 and the inner tank body 1 are coaxially arranged, and the inner tank body 1 is inserted into the inner tank body 2 And the opening direction of the two is the same, when the inner tank body 1 and the inner tank body 2 are plugged in place, the vacuum cavity 3 covers the side and bottom surface of the inner tank body 1, and the upper opening of the inner tank body 1 is exposed to the inner tank Set of 2 exteriors. And the upper end edge of the cup mouth cover 4 and the opening edge of the inner container body 1 are fixed and sealed to each other, and an interlayer with an upper end sealed and an opening at the lower end is formed between the inner surface of the cup mouth cover 4 and the outer surface of the inner container body 1 5. The upper part of the liner sleeve 2 is plugged into the interlayer 5 . After adding the cup cover 4, it can be ensured that the upper part of the thermos cup is made of titanium alloy, which further improves the aesthetics. At the same time, the upper part of the liner cover 2 is plugged into the interlayer 5, so that the upper part of the liner cover 2 does not Contact with the outside world to ensure the appearance and safety of drinking water. At the same time, the cup cover 4 and the inner tank body 1 can form a whole after being fixed, and the whole and the inner tank cover 2 are assembled to improve the speed of assembly, and no matter which part is damaged , the maintenance is also very fast. At the same time, if the cup mouth cover 4 is directly welded to the inner tank cover 2, it is difficult to weld stainless steel and titanium alloy. , It is the welding between titanium alloy and titanium alloy, which is easier to weld.

The inner side surface of the liner cover 2 is against the outer side surface of the inner liner body 1, and the outer side surface of the upper part of the inner liner cover 2 is against the inner side surface of the cup mouth cover 4. The two sides are all abutted so that the inner liner cover 2, the inner liner body 1 and the cup mouth cover 4 ensure the radial positioning, so that the thermos cup will not shake when in use. The opening edge of the liner body 1 is turned outwards to form a flange 6, the outer edge of the flange 6 and the upper edge of the cup sleeve 4 are sealed and fixed by welding, and the welds of the two are polished to form a smooth transition surface. The opening of the inner tank body 1 forms a flange 6 that can not only play the role of welding with the cup mouth cover 4, but also make the opening of the inner tank body 1 form an arc-shaped transition surface by turning over to improve the comfort of drinking water. After being sealed, drinking water will not come into contact with the stainless steel parts inside the interlayer 5, which improves safety and aesthetics.

In this embodiment, the liner cover 2 includes a stainless steel inner casing 7 and a stainless steel outer casing 8 with openings. The outer casing 8 is sleeved on the outside of the inner casing 7 and the opening directions of the two are the same. and the opening edge of the inner sleeve body 7 are sealed and fixed by welding, and a sealed vacuum chamber 3 is formed between the outer sleeve body 8 and the inner sleeve body 7 . The vacuum chamber 3 can be formed by vacuuming after sealing, and the welding between stainless steel and stainless steel is relatively easy. Because the inner tank body 1 is in contact with drinking water, it is made of titanium alloy, which can ensure the sanitation of drinking water, and because the inner tank body 1 can be seen by people, the titanium alloy can improve the aesthetics. Because the stainless steel liner cover 2 only plays a role of support and heat preservation, it is not easy to be seen by people, and it is not in contact with drinking water, so designing it as a stainless steel part can fully meet the requirements, and save a part of titanium alloy, thereby Resources are saved. The upper opening of the inner tank body 1 is exposed to the outside of the inner tank cover 2 to fully ensure the safety of drinking water and prevent the stainless steel parts from contacting with the mouth of the human body.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the art to which the present invention belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, but they will not deviate from the spirit of the present invention or go beyond the definition of the appended claims range.

Claims (8)

1. A titanium alloy composite thermos cup, characterized in that the thermos cup comprises a titanium alloy inner tank (1) and a stainless steel inner tank (2), the inner tank (1) and the stainless steel inner tank (2) are cylindrical, the upper end of the inner tank (1) has an opening, the upper end of the inner tank (2) also has an opening, and the inner tank (1) is inserted into the inner tank ( 2) Inside and the opening directions of both are the same, the outer surface of the inner tank body (1) is in contact with the inner surface of the inner tank sleeve, and the upper opening of the inner tank body (1) is exposed to the inner tank sleeve (2), there is a coherent and closed vacuum cavity (3) between the inner surface and the outer surface of the liner sleeve (2), when the inner liner body (1) and the inner liner (2) ) sleeve inserted into place, the vacuum cavity (3) covers the side and bottom of the inner tank (1). 2. A titanium alloy composite thermos cup according to claim 1, characterized in that, the thermos cup also includes a titanium alloy mouth cover (4), and the cup mouth cover (4) is socketed inside On the outer side of the upper part of the bile body (1), the cup sleeve (4) is coaxially arranged with the inner bile body (1), and the upper end edge of the cup sleeve (4) and the inner bile body (1) The edges of the openings are fixed and hermetically connected to each other, and an interlayer (5) with a sealed upper end and an opening at the lower end is formed between the inner surface of the cup mouth sleeve (4) and the outer surface of the inner tank body (1). The upper part of the liner (2) is plugged into the interlayer (5). 3. A titanium alloy composite thermos cup according to claim 2, characterized in that, the inner surface of the inner liner cover (2) and the outer surface of the inner liner body (1) abut against each other, and the The upper outer surface of the liner sleeve (2) abuts against the inner surface of the cup mouth sleeve (4). 4. A titanium alloy composite thermos cup according to claim 2 or 3, characterized in that, the opening edge of the inner tank body (1) is turned outward to form a flange (6), and the flange The outer edge of (6) and the upper edge of the cup sleeve (4) are sealed and fixed by welding, and the welds of the two are polished to form a smooth transition surface. 5. A titanium alloy composite thermos cup according to claim 2 or 3, characterized in that, the height of the mouth cover (4) is 1/3 to 1/3 of the height of the inner tank body (1). 10. 6. A titanium alloy composite thermos cup according to claim 1, 2 or 3, characterized in that the inner liner (2) includes a stainless steel inner sleeve (7) and a stainless steel outer sleeve, both of which have openings (8), the outer casing (8) is sleeved on the outside of the inner casing (7) and the opening directions of the two are the same, and the opening edge of the outer casing (8) and the opening edge of the inner casing (7) pass through It is sealed and fixed by welding, and a sealed vacuum cavity (3) is formed between the outer casing (8) and the inner casing (7). 7. A titanium alloy composite thermos cup according to claim 2 or 3, characterized in that, the thermos cup also includes a fastening ring (9) and a shell (10), and the shell (10) is As a non-metallic piece, the outer shell (10) is sleeved on the outside of the inner liner sleeve (2), the outer shell (10) has an opening and the opening direction is the same as that of the inner liner sleeve (2), so The fastening ring (9) is sleeved on the outer surface of the cup sleeve (4), and the fastening ring (9) is located at the opening of the cup sleeve (4), the fastening ring ( The inner surface of 9) abuts against the outer surface of the opening of the cup sleeve (4) and the former has a radially inward pre-tightening force on the latter, the lower end surface of the fastening ring (9) and The upper end surfaces of the housing (10) are against each other. 8. A titanium alloy composite thermos cup according to claim 2 or 3, characterized in that, the outer surface of the cup mouth sleeve (4) has a helical external thread (11) along its axis direction, The upper inner surface of the inner tank body (1) has an annular retaining edge (12).

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