WO2021128541A1 - 一种按拉式餐盒 - Google Patents

一种按拉式餐盒 Download PDF

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Publication number
WO2021128541A1
WO2021128541A1 PCT/CN2020/075262 CN2020075262W WO2021128541A1 WO 2021128541 A1 WO2021128541 A1 WO 2021128541A1 CN 2020075262 W CN2020075262 W CN 2020075262W WO 2021128541 A1 WO2021128541 A1 WO 2021128541A1
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Prior art keywords
locking block
lunch box
bottom end
push
pull
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PCT/CN2020/075262
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English (en)
French (fr)
Inventor
张松辉
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辉捷制造有限公司
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Publication of WO2021128541A1 publication Critical patent/WO2021128541A1/zh

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    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
    • A45C11/20—Lunch or picnic boxes or the like
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C13/00—Details; Accessories
    • A45C13/10—Arrangement of fasteners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/10—Jars, e.g. for preserving foodstuffs

Definitions

  • the utility model relates to a lunch box, in particular to a push-pull type lunch box.
  • the lunch box is usually used to store food in the lunch box body and the cover that cooperates with the lunch box body.
  • the existing cover is usually equipped with a locking structure on both sides to cooperate with the lunch box body to install, so that the lunch box
  • the main body can be used with a cover, but the existing locking structure of the cover is usually an integrally formed with the cover or a locking structure separated from the cover, but the existing separated locking structure is easy to loosen when installed in conjunction with the cover, and at the same time People are struggling to open the locking structure to separate the cover from the main body of the lunch box.
  • the technical problem to be solved by the utility model is to provide a push-pull type lunch box, the locking structure and the cover body are compactly installed, so that people can conveniently open or close the cover body on the lunch box body.
  • a push-pull type lunch box comprising a lunch box body and a cover body.
  • the opening edge of the lunch box body is turned outwards, and at least one side edge of the cover body is provided with an accommodating cavity.
  • a locking block is installed in the accommodating cavity, the top of the locking block is provided with a pressing part protruding outwards, the inner side of the locking block is provided with at least two outwardly protruding clamping blocks and at least one elastic Part, the inner side of the bottom end of the elastic part is provided with an undercut, the outer side surface of the locking block is provided with a supporting part that is folded outward, and the inner side wall of the accommodating cavity is respectively provided with a protruding block and an undercut
  • the first notch and the second notch, the locking block is snap-connected to the bottom end of the outer flange, the undercut is snap-connected to the bottom end of the second notch, and the support part and the inner side wall of the accommodating cavity are mutually To resist, an elastic ring is installed on the
  • the locking blocks on both sides of the elastic part are provided with a slit extending to the bottom end, the locking block adjacent to the bottom end of the slit is provided with a positioning notch, and the second notch is adjacent to the inner bottom of the accommodating cavity
  • the wall is provided with a positioning protrusion matched with the positioning notch.
  • the thickness of the elastic part is smaller than the thickness of the locking block.
  • the inner side of the locking block is provided with three locking blocks, and the two undercuts are respectively arranged on the locking block between adjacent locking blocks.
  • the bottom surface of the locking block is provided with reinforcing ribs integrally formed and connected with the surface of the locking block.
  • the surface of the pressing portion is provided with grooves that gradually become wider and deeper like the middle from both sides to the middle.
  • the outer side support part of the locking block resists the inner side wall on one side of the accommodating cavity, the undercut of the bottom end of the elastic part of the inner side of the mating locking block is snap-connected to the bottom end of the second notch, The supporting parts and undercuts on both sides of the locking block are in opposite force balance with the inner walls of the accommodating cavity. Therefore, the locking block is not easy to loosen when installed in the accommodating cavity.
  • the surface of the block is snap-connected with the bottom end of the outer flanging.
  • the locking block flips outwards in the containing cavity, and the locking block drives the block to escape from the bottom end of the flanging.
  • the inner bottom wall edge of the cover body is equipped with a ring of elastic ring that is attached to the surface of the outer flange.
  • the elastic ring returns to its original shape to make the cover bounce upward ,
  • the lid body is separated from the lunch box body more labor-saving.
  • the closing block structure is convenient for people to open or close the lid on the main body of the meal box; when the closing block is installed in the accommodating cavity of the lid, the user can press the undercut from the inside of the lid with a finger to lock the lid.
  • the lock block is released, allowing people to easily remove the lock block for cleaning. After cleaning, it is only necessary to insert the locking block into the accommodating cavity from top to bottom, and the elastic part will be deformed to allow the undercut to fasten the second notch, and the locking block can be easily installed in the accommodating cavity.
  • Figure 1 is a schematic diagram of the structure of the utility model
  • Figure 2 is a perspective view of the installation of the cover body with the locking block of the utility model
  • Figure 3 is an exploded schematic diagram of the cover body and the locking block of the utility model
  • Figure 4 is a top view of the installation of the cover body of the utility model with one side locking block
  • Figure 5 is a top view of the installation of the cover body of the utility model with the locking blocks on both sides;
  • Fig. 6 is a longitudinal sectional view of part AA of Fig. 5 of the utility model
  • Fig. 7 is a longitudinal sectional view of part BB of Fig. 5 of the present invention.
  • the utility model discloses a push-pull lunch box, which includes a lunch box body 1 and a lid 2. At least one side edge of the body 2 is provided with a accommodating cavity 21, a locking block 3 is installed in the accommodating cavity 21, the top of the locking block 3 is provided with a pressing portion 31 protruding outward, and the inner side of the locking block 3 is provided with at least There are two protruding blocks 32 and at least one elastic part 33. The inner side of the bottom end of the elastic part 33 is provided with an inverted hook 34.
  • the outer side of the locking block 3 is provided with a supporting part 35 that is turned outwards to accommodate
  • the inner side wall of the cavity 21 is respectively provided with a first notch 22 and a second notch 23 extending from the blocking block 32 and the undercut 34.
  • the blocking block 32 is engaged with the bottom end of the outer flange 11, and the undercut 34 is connected to the second notch.
  • the bottom end of 23 is snap-connected, the supporting portion 35 and the inner side wall of the receiving cavity 21 are against each other, and the inner bottom wall edge of the cover 2 is provided with a ring of elastic ring 4 which is attached to the surface of the outer flange 11.
  • the locking block 3 Since the outer side support portion 35 of the locking block 3 abuts against the inner side wall on the side of the accommodating cavity 21, the undercut 34 at the bottom end of the elastic portion 33 on the inner side of the locking block 3 engages with the bottom end of the second notch 23 Connected, the supporting parts 35 and the undercuts 34 on the two sides of the locking block 3 are in opposite force balance with the inner walls of the accommodating cavity 21. Therefore, the locking block 3 is installed in the accommodating cavity 21 and is not easy to loosen.
  • the surface of the locking block 32 is snap-connected to the bottom end of the outer flange 11, and when people pull the pressing portion 31 outward, the locking block 3 is turned outward in the accommodating cavity 21 ,
  • the locking block 3 drives the locking block 32 away from the bottom end of the outer flange 11, and at the same time, the inner bottom wall edge of the cover 2 is equipped with a ring of elastic ring 4 that is attached to the surface of the outer flange 11.
  • the elastic ring 4 returns to its original shape to make the lid 2 bounce upwards, so that the lid 2 is separated from the lunch box body 1 more effortlessly.
  • the structure of the cover 2 and the locking block 3 can facilitate people to open or close the lunch box body 1 conveniently.
  • the locking block 3 on both sides of the elastic portion 33 is provided with a slit 36 extending to the bottom end, the locking block 3 adjacent to the bottom end of the slit 36 is provided with a positioning gap 37, and the second gap 23 is adjacent to the receiving cavity 21.
  • the bottom wall is provided with a positioning protrusion 24 that cooperates with the positioning notch 37.
  • the positioning notch 37 cooperates with the positioning protrusion 24 to prevent the locking block 3 from being easily displaced in the containing cavity.
  • the thickness of the elastic portion 33 is smaller than that of the locking block 3. Thickness, the elastic part is easy to deform in the containing cavity, and it is easier for people to open or close the cover.
  • the inner side of the locking block 3 is provided with three locking blocks 32, two undercut hooks 34 are respectively arranged on the locking block 3 between the adjacent locking blocks 32, and the two undercuts 34 fixed points and fixed points are evenly distributed on the locking block 3
  • the second notch 23 is firmly engaged, and the locking block 3 is installed in the accommodating cavity 21 and cannot be easily displaced.
  • the bottom surface of the block 32 is provided with a reinforcing rib 38 integrally formed and connected with the surface of the locking block 3.
  • the surface of the reinforcing rib 38 is an inclined surface, which strengthens the strength of the lower part of the clamping block 32, and the inclined surface of the reinforcing rib 38 is turned outward.
  • the outer wall of 11 slides more smoothly.
  • the surface of the pressing portion 31 is provided with grooves that gradually widen and become deeper like the middle from both sides to the middle, which is convenient for the user to put multiple fingers in the grooves to force the pressing portion 31 to be pulled apart.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)

Abstract

一种按拉式餐盒，包含餐盒本体（1）及盖体（2），餐盒本体（1）的开口处设有边缘向外翻折的外翻边（11），盖体（2）的至少一侧边缘设有容纳腔（21），容纳腔（21）内安装有锁合块（3），锁合块（3）的顶部设有向外凸出的按压部（31），锁合块（3）的内侧面至少设有两个外凸的卡块（32）及至少设有一个弹性部（33），弹性部（33）的底端内侧设有倒勾（34），锁合块（3）的外侧面设有向外翻折的支撑部（35），容纳腔（21）的内侧壁分别开设有伸出卡块（32）及倒勾（34）的第一缺口（22）及第二缺口（23），卡块（32）与外翻边（11）的底端卡合连接，倒勾（34）与第二缺口（23）的底端卡合连接，支撑部（35）与容纳腔（21）的内侧壁互相抵持。该按拉式餐盒，锁合结构与盖体（2）紧凑配合安装，人们能够在餐盒本体（1）上方便开启或合上盖体（2）。

Description

一种按拉式餐盒 技术领域
本实用新型涉及餐盒，特别涉及一种按拉式餐盒。
背景技术
人们已经广泛使用餐盒，餐盒通常用于存储食物的餐盒本体及配合餐盒本体盖合的盖体，现有盖体通常两侧设有锁合结构配合餐盒本体安装，使餐盒本体可加盖使用，但是现有盖体的锁合结构通常为与盖体一体成型或与盖体分离的锁合结构，但是现有分离的锁合结构与盖体配合安装容易松脱，同时人们比较费劲开启锁合结构使盖体与餐盒本体分离。
实用新型内容
本实用新型要解决的技术问题是提供一种按拉式餐盒，锁合结构与盖体紧凑配合安装，人们能够在餐盒本体上方便开启或合上盖体。
为了解决上述技术问题，本实用新型的技术方案为：
一种按拉式餐盒，包含餐盒本体及盖体，所述餐盒本体的开口处边缘向外翻折的外翻边，所述盖体的至少一侧边缘设有容纳腔，所述容纳腔内安装有锁合块，所述锁合块的顶部设有向外凸出的按压部，所述锁合块的内侧面至少设有两个外凸的卡块及至少设有一个弹性部，所述弹性部的底端内侧设有倒勾，所述锁合块的外侧面设有向外翻折的支撑部，所述容纳腔的内侧壁分别开设有伸出卡块及倒勾的第一缺口及第二缺口，所述卡块与外翻边的底端卡合连接，所述倒勾与第二缺口的底端卡合连接，所述支撑部与容纳腔的内侧壁互相抵持，所述盖体的内底壁边缘安装有一圈与外翻边的表面互相贴合的弹性圈。
进一步地，所述弹性部的两侧锁合块上开设有延伸到底端的裂口，所述裂口底端临近的锁合块上设有定位缺口，所述第二缺口相邻的容纳腔的内底壁上设有与定位缺口配合的定位凸块。
进一步地，所述弹性部的厚度小于锁合块的厚度。
进一步地，所述锁合块的内侧面设有三个卡块，两个所述倒勾分别设置在相邻卡块之间的锁合块。
进一步地，所述卡块的底面设有与锁合块表面一体成型连接的加强筋。
进一步地，所述按压部的表面设有由两侧到中间逐渐像中间变宽、变深的凹槽。
采用上述技术方案，由于锁合块的外侧面支撑部与容纳腔一侧的内侧壁抵持，配合锁合块的内侧面的弹性部底端的倒勾与第二缺口的底端卡合连接，锁合块的两侧面的支撑部及倒勾分别与容纳腔的两侧内壁处于受力相反平衡，因此锁合块安装在容纳腔内不容易松脱，当盖体与餐盒本体盖上时，卡块的表面与外翻边的底端卡合连接，当人们在按压部向外拉时，锁合块在容纳腔内向外翻动，锁合块带动卡块脱离外翻边的底端，同时盖体的内底壁边缘安 装有一圈与外翻边的表面互相贴合的弹性圈，当卡块完全脱离外翻边的底端时，弹性圈恢复原有的形状使盖体向上弹起，使盖体与餐盒本体分离更加省力，当盖体与餐盒本体合上时，随着支撑部从外翻边的外壁滑动到外翻边的底端卡合连接，上述盖体及锁合块结构能够方便人们在餐盒本体上方便开启或合上盖体；当锁合块在盖体的容纳腔安装好时，使用者用手指从面盖内向外按压倒勾，便可将锁合块释放，让人们方便拆出锁合块清洗。清洗后只需要将锁合块从上向下的方向插入容纳腔，弹性部便会变形让倒勾扣紧第二缺口，锁合块容易安装在容纳腔内。
附图说明
图1为本实用新型的结构示意图；
图2为本实用新型的盖体配合锁合块安装的立体图；
图3为本实用新型的盖体及锁合块的分解示意图；
图4为本实用新型的盖体配合一侧锁合块安装的俯视图；
图5为本实用新型的盖体配合两侧锁合块安装的俯视图；
图6为本实用新型的图5的AA部纵剖图；
图7为本实用新型的图5的BB部纵剖图。
具体实施方式
下面结合附图对本实用新型的具体实施方式作进一步说明。在此需要说明的是，对于这些实施方式的说明用于帮助理解本实用新型，但并不构成对本实用新型的限定。此外，下面所描述的本实用新型各个实施方式中所涉及的技术特征只要彼此之间未构成冲突就可以相互组合。
如图1-7所示，本实用新型公开了一种按拉式餐盒，包含餐盒本体1及盖体2，餐盒本体1的开口处边缘向外翻折的外翻边11，盖体2的至少一侧边缘设有容纳腔21，容纳腔21内安装有锁合块3，锁合块3的顶部设有向外凸出的按压部31，锁合块3的内侧面至少设有两个外凸的卡块32及至少设有一个弹性部33，弹性部33的底端内侧设有倒勾34，锁合块3的外侧面设有向外翻折的支撑部35，容纳腔21的内侧壁分别开设有伸出卡块32及倒勾34的第一缺口22及第二缺口23，卡块32与外翻边11的底端卡合连接，倒勾34与第二缺口23的底端卡合连接，支撑部35与容纳腔21的内侧壁互相抵持，盖体2的内底壁边缘安装有一圈与外翻边11的表面互相贴合的弹性圈4。
由于锁合块3的外侧面支撑部35与容纳腔21一侧的内侧壁抵持，配合锁合块3的内侧面的弹性部33底端的倒勾34与第二缺口23的底端卡合连接，锁合块3的两侧面的支撑部35及倒勾34分别与容纳腔21的两侧内壁处于受力相反平衡，因此锁合块3安装在容纳腔21内不容易松脱，当盖体2与餐盒本体1盖上时，卡块32的表面与外翻边11的底端卡合连接，当人们在按压部31向外拉时，锁合块3在容纳腔21内向外翻动，锁合块3带动卡块32脱离外翻边11的底端，同时盖体2的内底壁边缘安装有一圈与外翻边11的表面互相贴合的弹性圈4，当卡块32完全脱离外翻边11的底端时，弹性圈4恢复原有的形状使盖体2向上弹起，使盖体2与餐盒本体1分离更加省力，当盖体2与餐盒本体1合上时，随着支撑部35从外翻边11的外壁滑动到外翻边11的底端卡合连接，上述盖体2及锁合块3结构能够方便人们在餐 盒本体1上方便开启或合上盖体2；当锁合块在盖体的容纳腔安装好时，使用者用手指从面盖内向外按压倒勾34，便可将锁合块3释放，让人们方便拆出锁合块3清洗，清洗后只需要将锁合块3从上向下的方向插入容纳腔21，弹性部33便会变形让倒勾34扣紧第二缺口23，锁合块3容易安装在容纳腔21内。
。
此外，弹性部33的两侧锁合块3上开设有延伸到底端的裂口36，裂口36底端临近的锁合块3上设有定位缺口37，第二缺口23相邻的容纳腔21的内底壁上设有与定位缺口37配合的定位凸块24，定位缺口37配合定位凸块24作用使锁合块3在容纳腔内不容易移位，弹性部33的厚度小于锁合块3的厚度，弹性部在容纳腔内容易发生形变，人们开启或合上盖体更容易操作。锁合块3的内侧面设有三个卡块32，两个倒勾34分别设置在相邻卡块32之间的锁合块3，锁合块3上均匀分布两个倒勾34固定点与第二缺口23稳固卡合，锁合块3安装在容纳腔21内不容易移位。
卡块32的底面设有与锁合块3表面一体成型连接的加强筋38，该加强筋38的表面为斜面，起到加强卡块32下部强度的同时，加强筋38的斜面表面在外翻边11的外壁相对滑动更加顺畅。
按压部31的表面设有由两侧到中间逐渐像中间变宽、变深的凹槽，方便使用者多个手指放在凹槽中受力拉开按压部31。
以上结合附图对本实用新型的实施方式作了详细说明，但本实用新型不限于所描述的实施方式。对于本领域的技术人员而言，在不脱离本实用新型原理和精神的情况下，对这些实施方式进行多种变化、修改、替换和变型，仍落入本实用新型的保护范围内。

Claims (6)

  1. 一种按拉式餐盒，包含餐盒本体(1)及盖体(2)，所述餐盒本体(1)的开口处边缘向外翻折的外翻边(11)，其特征在于：所述盖体(2)的至少一侧边缘设有容纳腔(21)，所述容纳腔(21)内安装有锁合块(3)，所述锁合块(3)的顶部设有向外凸出的按压部(31)，所述锁合块(3)的内侧面至少设有两个外凸的卡块(32)及至少设有一个弹性部(33)，所述弹性部(33)的底端内侧设有倒勾(34)，所述锁合块(3)的外侧面设有向外翻折的支撑部(35)，所述容纳腔(21)的内侧壁分别开设有伸出卡块(32)及倒勾(34)的第一缺口(22)及第二缺口(23)，所述卡块(32)与外翻边(11)的底端卡合连接，所述倒勾(34)与第二缺口(23)的底端卡合连接，所述支撑部(35)与容纳腔(21)的内侧壁互相抵持，所述盖体(2)的内底壁边缘安装有一圈与外翻边(11)的表面互相贴合的弹性圈(4)。
  2. 根据权利要求1所述的按拉式餐盒，其特征在于：所述弹性部(33)的两侧锁合块(3)上开设有延伸到底端的裂口(36)，所述裂口(36)底端临近的锁合块(3)上设有定位缺口(37)，所述第二缺口(23)相邻的容纳腔(21)的内底壁上设有与定位缺口(37)配合的定位凸块(24)。
  3. 根据权利要求1所述的按拉式餐盒，其特征在于：所述弹性部(33)的厚度小于锁合块(3)的厚度。
  4. 根据权利要求1所述的按拉式餐盒，其特征在于：所述锁合块(3)的内侧面设有三个卡块(32)，两个所述倒勾(34)分别设置在相邻卡块(32)之间的锁合块(3)。
  5. 根据权利要求1所述的按拉式餐盒，其特征在于：所述卡块(32)的底面设有与锁合块(3)表面一体成型连接的加强筋(38)。
  6. 根据权利要求1所述的按拉式餐盒，其特征在于：所述按压部(31)的表面设有由两侧到中间逐渐像中间变宽、变深的凹槽。
PCT/CN2020/075262 2019-12-26 2020-02-14 一种按拉式餐盒 WO2021128541A1 (zh)

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US4634019A (en) * 1986-03-14 1987-01-06 J. L. Clark Manufacturing Co. Container with plastic hinge
CN2129086Y (zh) * 1992-08-03 1993-04-07 谭云方 一种保温饭盒
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