WO2023098901A1 - 一种吸管及吸管杯 - Google Patents

一种吸管及吸管杯 Download PDF

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Publication number
WO2023098901A1
WO2023098901A1 PCT/CN2022/136324 CN2022136324W WO2023098901A1 WO 2023098901 A1 WO2023098901 A1 WO 2023098901A1 CN 2022136324 W CN2022136324 W CN 2022136324W WO 2023098901 A1 WO2023098901 A1 WO 2023098901A1
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WO
WIPO (PCT)
Prior art keywords
pipe body
straw
section
connecting section
fixing member
Prior art date
Application number
PCT/CN2022/136324
Other languages
English (en)
French (fr)
Inventor
王浩
Original Assignee
北京申创世纪信息技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN202111530447.6A external-priority patent/CN114052381A/zh
Priority claimed from CN202123144160.8U external-priority patent/CN216316199U/zh
Application filed by 北京申创世纪信息技术有限公司 filed Critical 北京申创世纪信息技术有限公司
Publication of WO2023098901A1 publication Critical patent/WO2023098901A1/zh

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    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45F—TRAVELLING OR CAMP EQUIPMENT: SACKS OR PACKS CARRIED ON THE BODY
    • A45F3/00—Travelling or camp articles; Sacks or packs carried on the body
    • A45F3/16—Water-bottles; Mess-tins; Cups
    • A45F3/18—Water-bottles; Mess-tins; Cups of rigid material
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G19/00—Table service
    • A47G19/22—Drinking vessels or saucers used for table service
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G21/00—Table-ware
    • A47G21/18—Drinking straws or the like

Definitions

  • the invention relates to the technical field of daily necessities, in particular to a straw and a straw cup.
  • the straw cup is a water cup suitable for drinking water for children. Compared with the adult water cup, there is a straw in the middle of the straw cup, which allows children to drink water easily.
  • the sippy cup can help children transition smoothly from bottle feeding to cup feeding while enhancing hand-mouth coordination. When the children's physical motor ability gradually improves and they can hold a cup, but they can't maintain their balance, they can use the sippy cup to give the child a chance to be independent. It is easy to carry when you go out and can be put in your school bag.
  • the object of the present invention is to provide a straw and a straw cup, which can reduce the possibility that the liquid in the cup will flow out from the habit when carried.
  • a straw comprising: a first pipe body connected in sequence, a connecting section and a second pipe body, the second pipe body can be inclined relative to the first pipe body , and the inclination angle between the second pipe body and the first pipe body is variable; the first fluid channel passes through the first pipe body, the connecting section and the first fluid channel in sequence The second pipe body; a concavo-convex structure is provided at the connection section, and when the angle between the first pipe body and the second pipe body decreases, the concavo-convex structure makes the inner wall of the connection section close to each other, thereby causing the first fluid channel at the connecting section to be gradually closed.
  • connection section is connected to the second pipe body, the other end of the connection section is connected to the first pipe body, and the one end of the connection section
  • the inner wall has the thickened protrusions.
  • a concave portion is provided on the outer surface of the connecting section.
  • connection section is connected to the second pipe body, the other end of the connection section is connected to the first pipe body, and the other end of the connection section
  • the outer surface of one end is provided with the recessed part, and when the angle between the first pipe body and the second pipe body decreases, the width of the recessed part gradually decreases.
  • the initial included angle between the central axis of the first pipe body and the central axis of the second pipe body is 135°-160°.
  • the thickness of the thickened protrusion is 1/6-2/3 of the wall thickness of the second pipe body;
  • the inner wall is arranged circumferentially, and the circumferential length of the thickened protrusion is 1/3-1 of the circumferential length of the inner wall of the connecting section.
  • the central point of the concave part is the fulcrum when the second tube body rotates.
  • the depth of the recessed part is 1/3-2/3 of the wall thickness of the first pipe body, and it is on the connecting section and corresponds to the recessed part
  • the wall thickness at the position is 1/3-2/3 of the wall thickness of the first pipe body.
  • the included angle between the two ends of the concave part in the circumferential direction and the vertical line between the central axis of the second tube body is 150°-180°.
  • the above straw also includes a first fixing member and a second fixing member arranged on the first pipe body, the first fixing member is provided with ventilation holes, and the ventilation holes are arranged on the first fixing member.
  • a one-way valve is provided in the hole; one end of the second fixing member is connected to an end of the first pipe body away from the second pipe body, and the second fixing member and the first pipe body have The same central axis; compared with the first pipe body, the radial dimension of the second fixing member relative to the central axis is larger; it also includes a first engaging groove and a second engaging groove; the The first clamping groove and the second clamping groove are located in the second fixing member; the first fluid channel, the first clamping groove, and the second clamping groove are connected in sequence; the first clamping groove is sequentially connected;
  • a locking groove includes an expansion section and a transition section connected in sequence, the expansion section communicates with the first fluid channel, the end of the expansion section connected to the first fluid channel is a first connection end, and the expansion section The end connected to the
  • a valve is provided in the second tube, and the valve is used to restrict fluid from flowing through the first fluid channel.
  • a straw cup comprising the aforementioned straw and a bottle body with an opening, and the straw is installed at the opening.
  • the sippy cup further includes: a bottle cap and a sliding cover detachably connected to the bottle body; There is a fixing hole, and the straw extends into the bottle through the fixing hole; when the straw extends into the bottle, the first tube is located inside the bottle, so The second tube body is located outside the bottle body; the slide cover is hinged to the bottle cover, and when the slide cover rotates and covers the receiving groove, the slide cover can hold the second tube body Rotate into the receiving slot.
  • the present invention discloses a straw and a straw cup.
  • the present invention thickens the inner wall of the bend of the straw so that the straw completely closes the fluid passage in the straw when it is bent, thereby preventing the occurrence of backflow and improving the It improves the convenience of straws and sippy cups in use.
  • Fig. 1 is a schematic cross-sectional view of the structure of a straw according to an embodiment of the present invention.
  • Fig. 2 is a perspective schematic view of the structure of a straw according to an embodiment of the present invention.
  • Fig. 3 is a perspective schematic view of the structure of a straw cup according to an embodiment of the present invention.
  • Fig. 4 is a schematic cross-sectional view of the structure when the length of the thickened protrusion in an embodiment of the present invention is 1/2 of the circumference of the inner wall of the connection end
  • connection should be understood in a broad sense, for example, they can be fixedly connected or detachably connected; they can be directly connected or indirectly connected through intermediate parts; It may be a wired electrical connection, a wireless connection, or a wireless communication signal connection, and those skilled in the art can understand the specific meanings of the above terms according to specific situations.
  • a straw which can also be called a straw nozzle, including: a first pipe body 1, a connecting section 2 and a second pipe body 3 connected in sequence , the second pipe body 3 can be inclined relative to the first pipe body 1, and the inclination angle between the second pipe body 3 and the first pipe body 1 is variable; the first fluid passage, the first fluid passage passes through the first pipe in turn body 1, connection section 2 and second pipe body 3; when the angle between the first pipe body 1 and the second pipe body 3 decreases, the inner walls of the connection section 2 approach each other so that the first fluid channel at the connection section gradually closed.
  • the cross-sectional area of the bending place and the nearby area will be reduced, so by setting the connecting section 2 between the first pipe body 1 and the second pipe body 3, the bending can be reduced to a large extent.
  • the cross-sectional area of the bend and the nearby area can effectively prevent the fluid from flowing backwards from the container along the straw.
  • connection section One end of the connection section is connected to the second pipe body, the other end of the connection section is connected to the first pipe body, and the inner wall of one end of the connection section has a thickened protrusion; the circumferential length of the thickened protrusion 4 is the circumference of the inner wall of the connection section 1/3-1 of.
  • a depression is provided on the outer surface of the other end of the connecting section 2, and when the angle between the first pipe body 1 and the second pipe body 3 decreases, the width of the depression gradually decreases, as shown in Figure 1 AB
  • the distance between them is the width of the depression; the central point of the depression is the fulcrum when the second pipe rotates; the depth of the depression is 1/3-2/3 of the wall thickness of the first pipe 1, and the connecting section
  • the wall thickness at the upper corresponding recessed part is 1/3-2/3 of the wall thickness of the first pipe body; the included angle between the two ends of the recessed part and the central axis of the second pipe body is 150°-180° .
  • the wall thickness of the second pipe body 3 is 2.02cm-2.14cm, and the wall thickness of the second pipe body 3 can be selected as 2.02cm, 2.04cm, 2.06cm, 2.08cm, 2.10cm, 2.12cm, 2.14cm, It is preferably 2.08cm;
  • the wall thickness of the first pipe body 1 is 2.84cm-2.96cm, and the wall thickness of the first pipe body 1 can be selected as 2.84cm, 2.86cm, 2.88cm, 2.90cm, 2.92cm, 2.94cm, 2.96cm cm, preferably 2.90 cm.
  • the thickness of the thickened protrusion 4 is 1/6-2/3 of the wall thickness of the second pipe body 3, and when the thickness of the thickened protrusion 4 is within this thickness range, it is not bent in the non-bent state. It hinders the circulation of liquid and can seal the first fluid passage in the bent state.
  • the initial angle between the central axis of the first pipe body 1 and the central axis of the second pipe body 3 is 135°-160°, and the initial angle between the first pipe body 1 and the second pipe body 3 is within the above range , it is convenient for users to use.
  • the first fixing member 5 also includes a first fixing member 5 arranged on the first pipe body 1.
  • the first fixing member 5 has a ventilation hole 6 for fixing the suction pipe.
  • a one-way valve is arranged in the ventilation hole. Through the one-way The valve can realize the one-way inflow of gas and prevent the liquid from flowing out from the vent hole 6 .
  • the straw can balance the air pressure between the straw cup and the outside world through the ventilation holes 6 on the first fixing member 5, so that the straw can work normally.
  • it also includes a second fixing member 7, one end of the second fixing member 7 is connected to the end of the first pipe body 1 away from the second pipe body 3, and the second fixing member 7 and the first pipe body 1 have the same center
  • the axis, the axial coincidence of the second fixing member 7 and the center of the first pipe body 1 can make the overall structure more balanced and more convenient for installation and use.
  • the radial dimension of the second fixing member 7 relative to the central axis is larger, because the second fixing member 7 is located in the container, and the larger size of the second fixing member 7 is conducive to the stability of the straw. Install.
  • it also includes a first clamping groove and a second clamping groove; the first clamping groove and the second clamping groove are located in the second fixing member 7; the first fluid channel, the first clamping groove, the second clamping groove
  • the connecting slots are connected in sequence, the first snapping slot and the second snapping slot are used to install the hose in the straw cup, through the two snapping slots of different sizes, the installation of the hose can be made more stable and convenient for users to use.
  • the first locking groove includes an expansion section and a transition section connected in sequence, the expansion section communicates with the first fluid channel, the end of the expansion section connected to the first fluid channel is the first connection end, and the end of the expansion section connected to the transition section One end is the second connection end, and the cross-sectional area of the expansion section gradually increases from the first connection end to the second connection end; the cross-sectional area of the transition section is the same as the largest cross-sectional area of the expansion section.
  • the cross-sectional area of the second engaging groove is smaller than the cross-sectional area of the transition section, and the cross-sectional area of the first engaging groove is larger than that of the second engaging groove, forming an engaging structure so as to effectively prevent the hose from coming out of the straw. fall off.
  • a buffer groove 8 is provided on the outer wall of the first pipe body 1, and the buffer groove 8 is provided along the circumference of the first pipe body 1, and the buffer groove 8 is located on the side of the first fixing member 5 away from the second fixing member 7 , through the buffer groove 8, the installation of the straw can be facilitated. Since the straw is mostly made of flexible materials such as rubber, in order to be installed on the straw cup, the whole will be squeezed to a certain extent. The deformation in the length direction can be compensated by the buffer groove 8, so as not to affect the installation of the straw.
  • a valve 9 is provided inside the second tube body 3, and the valve 9 can restrict the flow of fluid through the first fluid channel.
  • the valve 9 is composed of two rubber discs. When the user sucks, the valve 9 will open to suck out the liquid.
  • the present invention also discloses a sippy cup, including the straw in any of the aforementioned embodiments
  • the sippy cup also includes: a bottle body 10 with an opening, and a bottle cap 11 detachably connected to the bottle body 10 and slide cover 12; bottle cap 11 is provided with accommodating groove 13, and accommodating groove 13 is provided with fixing hole, and straw stretches in bottle body 10 from fixing hole;
  • the first tube The body 1 is located inside the bottle body 10, and the second tube body 3 is located outside the bottle body 10;
  • the slide cover 12 is hinged with the bottle cover 11, and when the slide cover 12 rotates and covers the receiving groove 13, the slide cover 12 can place the second tube
  • the body 3 is rotated into the receiving groove 13, and the bottle cap 11 is generally provided with an opening communicating with the ventilation hole 6, so as to ensure normal ventilation.
  • the present invention provides a concavo-convex structure on the connecting section, such as providing a thickened protrusion 4 on the inner wall or a recessed part on the outer wall.
  • the inner walls of the connecting section are closer to each other more easily and faster so that the first fluid channel at the connecting section is gradually closed, thereby effectively avoiding the bending of the straw.
  • the possibility of backflow of the fluid during the state makes it unnecessary to empty the internal fluid when the straw cup is carried, which improves the convenience of carrying the straw cup.
  • the present invention thickens the inner wall at the bend of the straw, so that the straw completely closes the fluid channel in the straw when it is bent, thereby preventing the occurrence of backflow and improving the flow rate of the straw and the straw cup. Ease of use.

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Abstract

一种吸管及吸管杯，包括顺序连接的第一管体（1）、连接段（2）和第二管体（3），第二管体（3）相对于第一管体（1）能够倾斜，且第二管体（3）与第一管体（1）之间的倾斜角度可变；第一流体通道依次穿过第一管体（1）、连接段（2）和第二管体（3）；在连接段（2）处设置有凹凸结构，当吸管折弯时，第一管体（1）和第二管体（3）之间的夹角减小，凹凸结构使得连接段（2）的内壁相互靠近，进而使得连接段（2）处的第一流体通道逐渐封闭，从而杜绝逆流情况的发生，提高了吸管和吸管杯在使用时的便利性。

Description

一种吸管及吸管杯 技术领域
本发明涉及日常用品技术领域，特别涉及一种吸管及吸管杯。
背景技术
吸管杯是适合给儿童喝水的水杯，和成人水杯相比，吸管杯中间有吸管，可以让儿童轻松喝水。吸管杯能帮助儿童顺利地从奶瓶喂养过渡到水杯喂养阶段，同时可以增强儿童的手嘴协调能力。当儿童的肢体运动能力逐渐提高，会拿杯子，但还不能保持平衡的时候，就可以使用吸管杯，给儿童一个独立自主的机会。外出时携带方便，可以放到书包里面。
但吸管杯携带时，杯中的液体容易顺着吸管流出至瓶外，从而造成液体的渗漏，从而导致外出携带不便。
发明内容
本发明的目的在于提供一种吸管及吸管杯，降低携带时杯中的液体从习惯流出的可能。
为了实现上述目的，本发明提供如下技术方案：一种吸管，包括：顺序连接的第一管体、连接段和第二管体，所述第二管体相对于所述第一管体能够倾斜，且所述第二管体与所述第一管体之间的倾斜角度可变；第一流体通道，所述第一流体通道依次穿过所述第一管体、所述连接段和所述第二管体；在所述连接段处设置有凹凸结构，当所述第一管体和所述第二管体之间的夹角减小时，所述凹凸结构使得所述连接段的内壁相互靠近，进而致使所述连接段处的所述第一流体通道逐渐封闭。
进一步地，在上述的一种吸管中，作为所述凹凸结构，在所述连接段的内壁具有加厚凸起。
进一步地，在上述的一种吸管中，所述连接段的一端与所述第二管体连接，所述连接段的另一端与所述第一管体连接，所述连接段的所述一端的内 壁具有所述加厚凸起。
进一步地，在上述的一种吸管中，作为所述凹凸结构，所述连接段的外表面上设有凹陷部。
进一步地，在上述的一种吸管中，所述连接段的一端与所述第二管体连接，所述连接段的另一端与所述第一管体连接，所述连接段的所述另一端的外表面上设有所述凹陷部，当所述第一管体和所述第二管体之间的夹角减小时，所述凹陷部的宽度逐渐减小。
进一步地，在上述的一种吸管中，所述第一管体的中心轴线与所述第二管体的中心轴线的初始夹角为135°-160°。
进一步地，在上述的一种吸管中，所述加厚凸起的厚度为所述第二管体的壁厚的1/6-2/3；所述加厚凸起沿所述连接段的内壁周向设置，所述加厚凸起的周向长度为所述连接段内壁周长的1/3-1。
进一步地，在上述的一种吸管中，所述凹陷部的中心点为所述第二管体转动时的支点。
进一步地，在上述的一种吸管中，所述凹陷部的深度为所述第一管体的壁厚的1/3-2/3，在所述连接段上且与所述凹陷部相对应位置处的壁厚为所述第一管体的壁厚的1/3-2/3。
进一步地，在上述的一种吸管中，所述凹陷部的周向上的两端与所述第二管体的中心轴线之间的垂线的夹角为150°-180°。
进一步地，在上述的一种吸管中，还包括设于所述第一管体上的第一固定构件和第二固定构件，所述第一固定构件上设有换气孔，所述换气孔内设有单向阀；所述第二固定构件的一端连接于所述第一管体的远离所述第二管体的一端，且所述第二固定构件与所述第一管体具有相同的中心轴线；相较于所述第一管体，所述第二固定构件相对于所述中心轴线的径向尺寸更大；还包括第一卡接槽和第二卡接槽；所述第一卡接槽和所述第二卡接槽位于所述第二固定构件内；所述第一流体通道、所述第一卡接槽、所述第二卡接槽依次连通；所述第一卡接槽包括依次连接的扩张段和过渡段，所述扩张段与所述第一流体通道连通，所述扩张段与所述第一流体通道连接的一端为第一连接端，所述扩张段与所述过渡段连接的一端为第二连接端，从所述第一连接端至所述第二连接端所述扩张段的截面面积逐渐增大；所述过渡段的截面 面积与所述扩张段的最大的截面面积相同；所述第二卡接槽的截面面积小于所述过渡段的截面面积；所述第一管体的外壁上设有缓冲槽，所述缓冲槽沿所述第一管体周向设置，且所述缓冲槽位于所述第一固定构件远离所述第二固定构件的一侧。
进一步地，在上述的一种吸管中，所述第二管体内设有阀门，所述阀门用于限制流体流过所述第一流体通道。
另一方面，提供了一种吸管杯，包括上述的吸管和具有开口的瓶体，所述吸管安装在所述开口处。
进一步地，在上述的一种吸管杯中，所述吸管杯还包括：与所述瓶体可拆卸连接的瓶盖和滑盖；所述瓶盖上设有容纳槽，所述容纳槽上设有固定孔，所述吸管从所述固定孔伸入至所述瓶体中；当所述吸管伸入至所述瓶体中时，所述第一管体位于所述瓶体的内部，所述第二管体位于所述瓶体的外部；所述滑盖与所述瓶盖铰接，当所述滑盖转动并覆盖所述容纳槽时，所述滑盖能够将所述第二管体转动至所述容纳槽中。
分析可知，本发明公开一种吸管及吸管杯，本发明对吸管折弯处的内壁进行加厚处理，使吸管在折弯时完全封闭吸管内的流体通道，从而杜绝了逆流情况的发生，提高了吸管和吸管杯在使用时的便利性。
附图说明
构成本申请的一部分的说明书附图用来提供对本发明的进一步理解，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。其中：
图1本发明一实施例的吸管的结构剖视示意图。
图2本发明一实施例的吸管的结构立体示意图。
图3本发明一实施例的吸管杯的结构立体示意图。
图4本发明一实施例的加厚凸起的长度为连接端内壁周长的1/2时的结构剖视示意图
附图标记说明：1第一管体；2连接段；3第二管体；4加厚凸起；5第一固定构件；6换气孔；7第二固定构件；8缓冲槽；9阀门；10瓶体；11瓶盖；12滑盖；13容纳槽；14凹陷部。
具体实施方式
下面将参考附图并结合实施例来详细说明本发明。各个示例通过本发明的解释的方式提供而非限制本发明。实际上，本领域的技术人员将清楚，在不脱离本发明的范围或精神的情况下，可在本发明中进行修改和变型。例如，示为或描述为一个实施例的一部分的特征可用于另一个实施例，以产生又一个实施例。因此，所期望的是，本发明包含归入所附权利要求及其等同物的范围内的此类修改和变型。
在本发明的描述中，术语“纵向”、“横向”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明而不是要求本发明必须以特定的方位构造和操作，因此不能理解为对本发明的限制。本发明中使用的术语“相连”、“连接”、“设置”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接；可以是直接相连，也可以通过中间部件间接相连；可以是有线电连接、无线电连接，也可以是无线通信信号连接，对于本领域的普通技术人员而言，可以根据具体情况理解上述术语的具体含义。
所附附图中示出了本发明的一个或多个示例。详细描述使用了数字和字母标记来指代附图中的特征。附图和描述中的相似或类似标记的已经用于指代本发明的相似或类似的部分。如本文所用的那样，用语“第一”、“第二”、“第三”以及“第四”等可互换地使用，以将一个构件与另一个区分开，且不旨在表示单独构件的位置或重要性。
如图1-图4所示，根据本发明的实施例，提供了一种吸管，也可以称之为吸管嘴，包括：顺序连接的第一管体1、连接段2和第二管体3，第二管体3相对于第一管体1能够倾斜，第二管体3与第一管体1之间的倾斜角度可变；第一流体通道，第一流体通道依次穿过第一管体1、连接段2和第二管体3；当第一管体1和第二管体3之间的夹角减小时，连接段2的内壁相互靠近致使连接段处的第一流体通道逐渐封闭。吸管在折弯时折弯处以及附近区域的截面面积将会减小，故而通过在第一管体1和第二管体3之间设置连接段2，就可以在较大程度上减小折弯处以及附近区域的截面面积，从而有效阻止流体从容器中顺着吸管倒流出来。
连接段的一端与第二管体连接，连接段的另一端与第一管体连接，连接段的一端的内壁具有加厚凸起；加厚凸起4的周向长度为连接段内壁周长的1/3-1。
优选地，连接段2的另一端的外表面上设有凹陷部，当第一管体1和第二管体3之间的夹角减小时，凹陷部的宽度逐渐减小，图1中AB之间的距离即为凹陷部的宽度；凹陷部的中心点为第二管体转动时的支点；凹陷部的深度为第一管体1的壁厚的1/3-2/3，连接段上对应凹陷部处的壁厚为第一管体的壁厚的1/3-2/3；凹陷部的两端与第二管体的中心轴线的连线的夹角为150°-180°。
优选地，第二管体3的壁厚为2.02cm-2.14cm，第二管体3的壁厚可选为2.02cm、2.04cm、2.06cm、2.08cm、2.10cm、2.12cm、2.14cm，优选为2.08cm；第一管体1的壁厚为2.84cm-2.96cm，第一管体1的壁厚可选为2.84cm、2.86cm、2.88cm、2.90cm、2.92cm、2.94cm、2.96cm，优选为2.90cm。
优选地，加厚凸起4的厚度为第二管体3的壁厚的1/6-2/3，加厚凸起4的厚度在此厚度范围之中时，在非折弯状态时不阻碍液体流通，在弯折状态时能够密封第一流体通道。
优选地，第一管体1的中心轴线与第二管体3的中心轴线的初始夹角为135°-160°，第一管体1和第二管体3之间的初始角度在上述范围时，方便使用者使用。
优选地，还包括设于第一管体1上的第一固定构件5，第一固定构件5上具有用于固定吸管的换气孔6，换气孔内设有单向阀，通过单向阀能够实现在气体的单向流入，防止液体从换气孔6中流出。吸管通过第一固定构件5上的换气孔6能够平衡吸管杯与外界的气压，从而使吸管能够正常工作。
优选地，还包括第二固定构件7，第二固定构件7的一端连接于第一管体1远离第二管体3的一端，且第二固定构件7与第一管体1具有相同的中心轴线，第二固定构件7与第一管体1的中心轴向重合能够使整体结构更加平衡，安装和使用时更加方便。
优选地，相较于第一管体1，第二固定构件7相对于中心轴线的径向尺寸更大，因为第二固定构件7位于容器内，第二固定构件7的尺寸更大利于吸管的安装。
优选地，还包括第一卡接槽和第二卡接槽；第一卡接槽和第二卡接槽位于第二固定构件7内；第一流体通道、第一卡接槽、第二卡接槽依次连通，第一卡接槽和第二卡接槽用于安装吸管杯内的软管，通过两个尺寸不同的卡接槽，能够使软管的安装更加稳定，便于使用者使用。
优选地，第一卡接槽包括依次连接的扩张段和过渡段，扩张段与第一流体通道连通，扩张段与第一流体通道连接的一端为第一连接端，扩张段与过渡段连接的一端为第二连接端，从第一连接端至第二连接端扩张段的截面面积逐渐增大；过渡段的截面面积与扩张段的最大的截面面积相同。优选地，第二卡接槽的截面面积小于过渡段的截面面积，第一卡接槽的截面面积大于第二卡接槽的截面面积，形成卡接结构从而能够有效的阻止软管从吸管中脱落。
优选地，第一管体1的外壁上设有缓冲槽8，缓冲槽8沿第一管体1周向设置，且缓冲槽8位于第一固定构件5的远离第二固定构件7的一侧，通过缓冲槽8能够便于吸管的安装，由于吸管大多是橡胶等柔性材质，为了安装在吸管杯上，其整体会受到一定程度的挤压，挤压时，周向的形变会转变为长度方向上的形变，而通过缓冲槽8可以对长度方向上的形变进行补偿，从而不影响吸管的安装。
优选地，第二管体3内设有阀门9，阀门9能够限制流体流过第一流体通道，阀门9由两个橡胶阀瓣组成，当使用者吮吸时阀门9则会打开从而吸出液体。
如图3所示，本发明还公开了一种吸管杯，包括前述任一实施例中的吸管，该吸管杯还包括：具有开口的瓶体10、与瓶体10可拆卸连接的瓶盖11和滑盖12；瓶盖11上设有容纳槽13，容纳槽13上设有固定孔，吸管从固定孔伸入至瓶体10中；当吸管伸入至瓶体10中时，第一管体1位于瓶体10的内部，第二管体3位于瓶体10的外部；滑盖12与瓶盖11铰接，当滑盖12转动并覆盖容纳槽13时，滑盖12能够将第二管体3转动至容纳槽13中，瓶盖11上一般会设有与换气孔6连通的开孔，从而保证换气的正常进行。
从以上的描述中，可以看出，本发明上述的实施例实现了如下技术效果：本发明通过在连接段设置凹凸结构，比如在内壁设置加厚凸起4或者在外壁设置凹陷部，在第一管体和第二管体之间的夹角减小时，使得在连接段的内 壁更容易更快地相互靠近使得连接段处的第一流体通道逐渐封闭，从而有效地避免了吸管在折弯状态时流体逆流的可能性，使吸管杯在携带时不需要排空内部的流体，提高了吸管杯携带的便利性。
与现有技术相比，本发明对吸管折弯处的内壁进行加厚处理，使吸管在折弯时完全封闭吸管内的流体通道，从而杜绝了逆流情况的发生，提高了吸管和吸管杯在使用时的便利性。
以上所述仅为本发明的优选实施例，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (14)

  1. 一种吸管，其特征在于，包括：
    顺序连接的第一管体、连接段和第二管体，所述第二管体相对于所述第一管体能够倾斜，且所述第二管体与所述第一管体之间的倾斜角度可变；
    第一流体通道，所述第一流体通道依次穿过所述第一管体、所述连接段和所述第二管体；
    在所述连接段处设置有凹凸结构，当所述第一管体和所述第二管体之间的夹角减小时，所述凹凸结构使得所述连接段的内壁相互靠近，进而致使所述连接段处的所述第一流体通道逐渐封闭。
  2. 根据权利要求1所述的一种吸管，其特征在于，作为所述凹凸结构，在所述连接段的内壁具有加厚凸起。
  3. 根据权利要求2所述的一种吸管，其特征在于，所述连接段的一端与所述第二管体连接，所述连接段的另一端与所述第一管体连接，所述连接段的所述一端的内壁具有所述加厚凸起。
  4. 根据权利要求1所述的一种吸管，其特征在于，作为所述凹凸结构，所述连接段的外表面上设有凹陷部。
  5. 根据权利要求4所述的一种吸管，其特征在于，
    所述连接段的一端与所述第二管体连接，所述连接段的另一端与所述第一管体连接，所述连接段的所述另一端的外表面上设有所述凹陷部，当所述第一管体和所述第二管体之间的夹角减小时，所述凹陷部的宽度逐渐减小。
  6. 根据权利要求1所述的一种吸管，其特征在于，所述第一管体的中心轴线与所述第二管体的中心轴线的初始夹角为135°-160°。
  7. 根据权利要求3所述的一种吸管，其特征在于，所述加厚凸起的厚度 为所述第二管体的壁厚的1/6-2/3；
    所述加厚凸起沿所述连接段的内壁周向设置，所述加厚凸起的周向长度为所述连接段内壁周长的1/3-1。
  8. 根据权利要求5所述的一种吸管，其特征在于，所述凹陷部的中心点为所述第二管体转动时的支点。
  9. 根据权利要求5所述的一种吸管，其特征在于，所述凹陷部的深度为所述第一管体的壁厚的1/3-2/3，在所述连接段上且与所述凹陷部相对应位置处的壁厚为所述第一管体的壁厚的1/3-2/3。
  10. 根据权利要求5所述的一种吸管，其特征在于，所述凹陷部的周向上的两端与所述第二管体的中心轴线之间的垂线的夹角为150°-180°。
  11. 根据权利要求1所述的一种吸管，其特征在于，还包括设于所述第一管体上的第一固定构件和第二固定构件，所述第一固定构件上设有换气孔，所述换气孔内设有单向阀；
    所述第二固定构件的一端连接于所述第一管体的远离所述第二管体的一端，且所述第二固定构件与所述第一管体具有相同的中心轴线；
    相较于所述第一管体，所述第二固定构件相对于所述中心轴线的径向尺寸更大；
    还包括第一卡接槽和第二卡接槽；
    所述第一卡接槽和所述第二卡接槽位于所述第二固定构件内；
    所述第一流体通道、所述第一卡接槽、所述第二卡接槽依次连通；
    所述第一卡接槽包括依次连接的扩张段和过渡段，所述扩张段与所述第一流体通道连通，所述扩张段与所述第一流体通道连接的一端为第一连接端，所述扩张段与所述过渡段连接的一端为第二连接端，从所述第一连接端至所述第二连接端所述扩张段的截面面积逐渐增大；
    所述过渡段的截面面积与所述扩张段的最大的截面面积相同；
    所述第二卡接槽的截面面积小于所述过渡段的截面面积；
    所述第一管体的外壁上设有缓冲槽，所述缓冲槽沿所述第一管体周向设置，且所述缓冲槽位于所述第一固定构件远离所述第二固定构件的一侧。
  12. 根据权利要求1所述的一种吸管，其特征在于，所述第二管体内设有阀门，所述阀门用于限制流体流过所述第一流体通道。
  13. 一种吸管杯，其特征在于，包括权利要求1-12任一所述的吸管和具有开口的瓶体，所述吸管安装在所述开口处。
  14. 根据权利要求13所述的一种吸管杯，其特征在于，所述吸管杯还包括：与所述瓶体可拆卸连接的瓶盖和滑盖；
    所述瓶盖上设有容纳槽，所述容纳槽上设有固定孔，所述吸管从所述固定孔伸入至所述瓶体中；
    当所述吸管伸入至所述瓶体中时，所述第一管体位于所述瓶体的内部，所述第二管体位于所述瓶体的外部；
    所述滑盖与所述瓶盖铰接，当所述滑盖转动并覆盖所述容纳槽时，所述滑盖能够将所述第二管体转动至所述容纳槽中。
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