WO2023020001A1 - 牙刷 - Google Patents

牙刷 Download PDF

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Publication number
WO2023020001A1
WO2023020001A1 PCT/CN2022/089206 CN2022089206W WO2023020001A1 WO 2023020001 A1 WO2023020001 A1 WO 2023020001A1 CN 2022089206 W CN2022089206 W CN 2022089206W WO 2023020001 A1 WO2023020001 A1 WO 2023020001A1
Authority
WO
WIPO (PCT)
Prior art keywords
base
connecting seat
brush
brush head
brush handle
Prior art date
Application number
PCT/CN2022/089206
Other languages
English (en)
French (fr)
Inventor
徐振武
戴晓国
Original Assignee
上海携福电器有限公司
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
Application filed by 上海携福电器有限公司 filed Critical 上海携福电器有限公司
Publication of WO2023020001A1 publication Critical patent/WO2023020001A1/zh

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Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B13/00—Brushes with driven brush bodies or carriers
    • A46B13/08—Brushes with driven brush bodies or carriers hand-driven
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B17/00—Accessories for brushes
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B5/00—Brush bodies; Handles integral with brushware
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B5/00—Brush bodies; Handles integral with brushware
    • A46B5/06—Brush bodies; Handles integral with brushware in the form of tapes, chains, flexible shafts, springs, mats or the like

Definitions

  • the application belongs to the technical field of daily necessities, and more specifically relates to a toothbrush.
  • toothbrush In daily life, toothbrush is the necessity of people's washing. Along with improving constantly of people's living standard, the function of toothbrush is constantly expanding, not only can be convenient to use, also needs to possess comfort.
  • the purpose of the embodiments of the present application is to provide a toothbrush to solve the problem in the related art: the brush head has low elasticity, which reduces the comfort of brushing teeth.
  • a toothbrush comprising:
  • a connecting seat one end of which is hinged to the brush handle
  • a brush head connected to the other end of the connecting seat
  • An elastic member is installed on the connecting seat, one end of the elastic member is connected to the brush handle, and the other end of the elastic member is connected to the connecting seat, and the elastic member is used to elastically pull the connecting seat ;
  • a limiting structure is provided between the connecting seat and the brush handle, and the limiting structure is used to limit the swing angle of the connecting seat.
  • the present application uses a connecting seat hinged on the brush handle, and an elastic member connecting the connecting seat and the brush handle.
  • the brush head In the process of brushing teeth, when the brush head is subjected to external force, the brush head can swing within a certain range on the brush handle through the connecting seat; Return to the initial position under the action of the elastic pull, so that the subsequent repeated tooth brushing operations. Therefore, the present application connects the brush head and the brush handle through the connecting seat and the elastic member, and the brush head has a certain elastic deformation ability, which helps to improve the comfort of brushing teeth.
  • the swing angle of the brush head can be limited by the position-limiting structure, so as to prevent the swing angle of the brush head from being too large.
  • the position-limiting structure includes first arched protrusions provided on both sides of one end of the brush handle, first resisting parts provided on the other two sides of one end of the brush handle, arc-shaped grooves on the connecting seat corresponding to each of the first arched protrusions and second resisting parts on the connecting seat corresponding to each of the first resisting parts; each of the The first arched protruding portion protrudes into the corresponding arc-shaped groove, and a gap is formed between each of the first resisting portions and the corresponding second resisting portion.
  • the swing angle of the brush head can be limited through the cooperation of the first resisting part and the second resisting part; through the cooperation of the two first arched protrusions and the two arc-shaped grooves, the relative height of the connecting seat to the brush handle can be improved. swing reliability.
  • the position-limiting structure includes a second arched protrusion on both sides of one end of the brush handle, a depression on the other two sides of one end of the brush handle, and a There is a stepped portion on the outer peripheral surface of the connecting seat, and a gap is formed between the recessed portion and the stepped portion.
  • This structure can limit the swing angle of the brush head through the cooperation of the recessed part and the stepped part.
  • the swing of the connection seat can be guided by the two second arched protrusions.
  • the connecting seat includes a hinged seat hinged to the brush handle, a support seat mounted on the hinged seat, and a connecting rod connecting the support seat and the brush head; the elastic member The end away from the brush handle is connected with the support base.
  • This structure facilitates the disassembly and maintenance of the connecting seat by setting the connecting seat as a hinged seat, a supporting seat and a connecting rod.
  • the support base is connected with the brush head through the connecting rod, which is convenient for disassembly and maintenance between the brush head and the connection base.
  • the support base includes a first base mounted on one end of the hinged base and a second base mounted on the other end of the hinged base, and the connecting rod is far away from the brush head.
  • One end is connected with the first base, and the end of the elastic member away from the brush handle is connected with the second base.
  • the support seat is set as the first base and the second base, which facilitates the disassembly and maintenance of the support seat; It is connected with the brush handle without interfering with each other, and it is helpful to improve the elastic member's resilience pulling ability to the connecting seat.
  • the first base is provided with a through hole for inserting the end of the connecting rod away from the brush head.
  • This structure can realize fast positioning and installation of the connecting rod, and the efficiency is high.
  • the first base is provided with two opposite first installation holes, each of the first installation holes communicates with the through hole;
  • the connecting rod is provided with a second installation hole and a locking piece installed in the second installation hole, the locking piece passes through the two first installation holes and the second installation hole respectively.
  • connection strength between the connecting rod and the first base can be improved through the locking member, and the connecting rod can be prevented from detaching from the first base.
  • inserting strips are installed on the second base, and slots for inserting the inserting strips are correspondingly opened on the hinge base.
  • This structure through the cooperation of the insertion strip and the slot, can improve the alignment accuracy between the second base and the hinged base, and improve the installation efficiency between the second base and the hinged base.
  • the brush head is respectively provided with a first insertion hole for inserting the end of the connecting rod away from the brush handle and a second insertion hole for inserting the end of the connecting seat away from the brush handle. hole, the second jack communicates with the first jack.
  • the alignment accuracy of the connecting rod and the brush head can be improved through the first jack, and the alignment accuracy of the first base and the brush head can be improved through the second jack, thereby improving installation efficiency and facilitating the connection between the connecting rod and the brush head. Disassembly and maintenance of the seat and the brush head respectively.
  • a locking hole is formed on the connecting seat, and a hook that is engaged with the locking hole is installed on the inner side wall of the second insertion hole.
  • This structure can realize the fast connection between the connecting seat and the brush head, and improve the installation stability between the brush head and the connecting seat.
  • Fig. 1 is the schematic diagram of the three-dimensional structure of the toothbrush provided by Embodiment 1 of the present application;
  • Fig. 2 is the exploded schematic diagram of Fig. 1;
  • Fig. 3 is a three-dimensional structural schematic diagram of the connection between the connecting seat and the elastic member provided in Embodiment 1 of the present application;
  • Fig. 4 is the exploded schematic diagram of Fig. 3;
  • FIG. 5 is a schematic diagram of the three-dimensional structure of the first base provided in Embodiment 1 of the present application.
  • Fig. 6 is a schematic cross-sectional view of the brush head provided in Embodiment 1 of the present application.
  • FIG. 7 is a schematic diagram of the three-dimensional structure of the toothbrush provided in Embodiment 2 of the present application.
  • Fig. 8 is the enlarged schematic view of place A in Fig. 7;
  • FIG. 9 is an exploded schematic diagram of FIG. 7 .
  • first and second are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as “first” and “second” may explicitly or implicitly include one or more of these features.
  • plurality means two or more, unless otherwise specifically defined. "Several” means one or more than one, unless otherwise clearly and specifically defined.
  • connection should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connection, or integral connection; it may be mechanical connection or electrical connection; it may be direct connection or indirect connection through an intermediary, and it may be the internal communication of two elements or the interaction relationship between two elements. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application according to specific situations.
  • the toothbrush comprises a brush handle 1, a connecting base 2 hinged at one end to the brush handle 1, a brush head 3 connected to the other end of the connecting base 2 and an elastic member 4 installed on the connecting base 2, one end of the elastic member 4 is connected to the brush The handle 1 is connected, and the other end of the elastic member 4 is connected with the connecting seat 2.
  • a limit structure is provided between the connection base 2 and the brush handle 1, when the connection base 2 swings on the brush handle 1, the swing angle of the connection base 2 and the brush head 3 can be limited by the limit structure.
  • the present application uses a connecting base 2 hinged on the brush handle 1 and an elastic member 4 connecting the connecting base 2 and the brush handle 1 .
  • the brush head 3 can swing within a certain range on the brush handle 1 through the connecting seat 2; when the external force acting on the brush head 3 disappears, the brush head 3 and The connection base 2 can be returned to the original position under the elastic pulling action of the elastic member 4, so as to facilitate subsequent repeated tooth brushing operations. Therefore, the present application connects the brush head 3 to the brush handle 1 through the connecting seat 2 and the elastic member 4, and the brush head 3 has a certain elastic deformation ability, which helps to improve the comfort of brushing teeth.
  • the swing angle of the connection base 2 can be limited by the limiting structure, so as to avoid the excessive swing angle of the brush head 3 .
  • the position-limiting structure includes first arches arranged on both sides of one end of the handle 1
  • the two first arched protrusions 11 and the two first resisting portions 13 are located on the same side of the brush handle 1, each first arched protrusion 11 protrudes into the corresponding arc-shaped groove 231 , and a gap is formed between each first resisting portion 13 and the corresponding second resisting portion 22 .
  • the end of the connection base 2 away from the brush head 3 has two opposite hinged ends 21 and two opposite second resisting portions 22 , and the two opposite hinged ends 21 are respectively hinged on the brush handle 1 .
  • the gap formed between each first resisting portion 13 and the corresponding second resisting portion 22 can be used for the connecting seat 2 to rotate around the rotation axis formed by the line connecting the two hinged ends 21, and the two oppositely arranged second resisting portions
  • the parts 22 can cooperate with the two first resisting parts 13 on the brush handle 1 to resist respectively, so as to limit the swing angle of the connecting seat 2 and the brush head 3 .
  • the reliability of the swing of the connecting base 2 relative to the brush handle 1 can be improved.
  • the connecting base 2 includes a hinged base 23 hinged with the handle 1 , a support base mounted on the hinged base 23 24 and the connecting rod 26 connecting the support base 24 and the brush head 3; the end of the elastic member 4 away from the handle 1 is connected to the support base 24.
  • the hinge base 23 defines arc-shaped grooves 231 at the positions of the two opposite hinge ends 21 . This structure facilitates the disassembly and maintenance of the connecting seat 2 by setting the connecting seat 2 as a hinged seat 23 , a supporting seat 24 and a connecting rod 26 .
  • the support base 24 is connected to the brush head 3 through the connecting rod 26 , which facilitates the disassembly and maintenance between the brush head 3 and the connection base 2 .
  • the support base 24 includes a first base 241 mounted on one end of the hinged base 23 and a first base 241 mounted on the hinged base 23 .
  • the other end of the second base 242 , the end of the connecting rod 26 away from the brush head 3 is connected to the first base 241 , and the end of the elastic member 4 away from the brush handle 1 is connected to the second base 242 .
  • This structure facilitates the disassembly and maintenance of the support base 24 by setting the support base 24 as the first base 241 and the second base 242; end, so as to facilitate the connection with the brush head 3 and the brush handle 1 respectively, without interfering with each other, and help to improve the rebound pulling ability of the elastic member 4 to the connecting seat 2 .
  • first base 241 , the second base 242 and the hinge base 23 can be integrally formed.
  • first base 241 , the second base 242 and the hinged base 23 can also be arranged separately, so as to facilitate the disassembly and maintenance of the connecting base 2 .
  • the first base 241 is provided with a hole for inserting the end of the connecting rod 26 away from the brush head 3 . Via 2410 . With this structure, the fast positioning and installation of the connecting rod 26 can be realized through the through hole 2410, and the efficiency is high.
  • first mounting holes 2411 opposite to each other are opened on the first base 241
  • Each first mounting hole 2411 communicates with the through hole 2410;
  • the connecting rod 26 is provided with a second mounting hole 260 and a locking member 261 installed in the second mounting hole 260, and the locking member 261 passes through the two first mounting holes respectively.
  • hole 2411 and the second mounting hole 260 With this structure, the connection strength between the connecting rod 26 and the first base 241 can be improved through the locking member 261 , preventing the connecting rod 26 from detaching from the first base 241 .
  • the locking member 261 can be a bolt.
  • an insertion strip 2421 is installed on the second base 242 , and an insertion strip 2421 is correspondingly provided on the hinged seat 23 Insertion slot (not shown).
  • the brush head 3 is respectively provided with a first socket for inserting the end of the connecting rod 26 away from the handle 1 31 and a second insertion hole 32 for inserting the end of the connection base 2 away from the brush handle 1 , the second insertion hole 32 communicates with the first insertion hole 31 .
  • an end of the connecting rod 26 away from the handle 1 is inserted into the first insertion hole 31
  • an end of the first base 241 away from the brush handle 1 is inserted into the second insertion hole 32 .
  • the alignment accuracy between the connecting rod 26 and the brush head 3 can be improved through the first socket 31, and the alignment accuracy between the first base 241 and the brush head 3 can be improved through the second socket 32, thereby improving installation efficiency. It is also convenient for the disassembly and maintenance of the connecting rod 26 and the connecting seat 2 and the brush head 3 respectively.
  • the connecting base 2 is provided with a clamping hole 2412 , specifically, the first base 241 is provided with a The locking hole 2412 and the inner side wall of the second insertion hole 32 are installed with a hook 33 that cooperates with the locking hole 2412 .
  • This structure through the cooperation of the hook 33 and the hole 2412, can realize the fast connection between the connection base 2 and the brush head 3, improve the installation stability between the brush head 3 and the connection base 2, and avoid separation.
  • a positioning groove 34 is defined at one end of the brush head 3 close to the handle 1 , and a positioning protrusion 232 protruding into the positioning groove 34 is correspondingly provided on the connecting base 2 .
  • the positioning protrusion 232 is provided on the top of the hinge base 23 .
  • the toothbrush provided by this embodiment 2 is an improvement on the basis of the toothbrush provided by the above-mentioned embodiment 1.
  • the difference between the toothbrush provided by this embodiment 2 and the toothbrush provided by the above-mentioned embodiment 1 is that the limiting structure includes The second arched convex portion 12 on both sides of one end of 1, the concave portion 14 on the other two sides of one end of the brush handle 1 and the stepped portion 25 on the outer peripheral surface of the connecting seat 2; two second arches The convex part 12 and the two concave parts 14 are located on the same side of the brush handle 1, and the concave part 14 and the step part 25 are spaced to form a gap.
  • two opposite hinged ends 21 of the end of the connecting base 2 away from the brush head 3 are respectively hinged on the brush handle 1 , and a step portion 25 is provided in the middle of the connecting base 2 .
  • the gap formed between the recessed part 14 and the stepped part 25 can be used for the connecting seat 2 to rotate around the rotation axis formed by the line connecting the two hinged ends 21, and the two recessed parts 14 can cooperate with the stepped part 25 to resist respectively.
  • the swing angle of the connection base 2 and the brush head 3 is limited.
  • the swing of the connection base 2 can be guided by the two second arched protrusions 12 .

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Abstract

一种牙刷，包括刷柄（1）；连接座（2），一端与刷柄（1）铰接；刷头（3），与连接座（2）的另一端相连；弹性件（4），安装于连接座（2）上，弹性件的一端与刷柄（1）连接，弹性件（4）的另一端与连接座（2）连接，连接座（2）与刷柄（1）之间设有限位结构。在刷牙的过程中，当刷头（3）受到外力作用时，刷头（3）可通过连接座（2）在刷柄（1）上实现一定幅度内的摆动；当作用于刷头（3）的外力消失时，刷头（3）和连接座（2）可在弹性件（4）的弹性拉动作用下恢复至初始位置状态，以便后续的重复刷牙作业。因此，通过连接座（2）与弹性件将刷头（3）与刷柄（1）连接，刷头（3）具有一定的弹性变形能力，有助于提高刷牙的舒适感。而且，通过限位结构可对刷头（3）的摆动角度进行限制，避免刷头（3）的摆动角度过大。

Description

牙刷 技术领域
本申请属于生活日用品技术领域，更具体地说，是涉及一种牙刷。
背景技术
日常生活中，牙刷是人们洗漱的必需品。随着人们生活水平的不断提高，牙刷的功能正在不断地扩展，不仅能够方便使用，还需具备舒适性。
然而，现有的牙刷通常是一体成型，在刷牙的过程中，牙刷的刷头不能适应牙齿的清洁过程，刷头的弹性低，从而降低了刷牙的舒适感。
发明内容
本申请实施例的目的在于提供一种牙刷，以解决相关技术中存在的：刷头的弹性低，降低了刷牙的舒适感的问题。
为实现上述目的，本申请实施例采用的技术方案是：
提供一种牙刷，包括：
刷柄；
连接座，一端与所述刷柄铰接；
刷头，与所述连接座的另一端相连；
弹性件，安装于所述连接座上，所述弹性件的一端与所述刷柄连接，所述弹性件的另一端与所述连接座连接，所述弹性件用于弹性拉动所述连接座；
其中，所述连接座与所述刷柄之间设有限位结构，所述限位结构用于限制所述连接座的摆动角度。
此结构，本申请通过在刷柄上铰接有连接座，以及连接该连接座与刷柄的弹性件。在刷牙的过程中，当刷头受到外力作用时，刷头可通过连接座在刷柄上实现一定幅度内的摆动；当作用于刷头的外力消失时，刷头和连接座可在弹性件的弹性拉动作用下恢复至初始位置状态，以便后续的重复刷牙作业。因此，本申请通过连接座与弹性件将刷头与刷柄连接，刷头具有一定的弹性变形能力，有助于提高刷牙的舒适感。而且，通过限位结构可对刷头的摆动角度进行限制，避免刷头的摆动角度过大。
在一个实施例中，所述限位结构包括设于所述刷柄的一端之两侧的第一拱形凸部、设于所述刷柄的一端之另外两侧的第一抵挡部、设于所述连接座上并对应于各所述第一拱形凸部的弧形凹槽和设于所述连接座上并对应于各所述第一抵挡部的第二抵挡部；各所述第一拱形凸部伸入相应所述弧形凹槽中，各所述第一抵挡部与相应所述第二抵挡部之间间隔形成间隙。
此结构，通过第一抵挡部与第二抵挡部的配合，可限制刷头的摆动角度；通过两个第一拱形凸部与两个弧形凹槽的配合，可提高连接座相对刷柄摆动的可靠性。
在一个实施例中，所述限位结构包括设于所述刷柄的一端之两侧的第二拱形凸部、设于所述刷柄的一端之另外两侧的凹陷部和设于所述连接座的外周面上的台阶部，所述凹陷部与所述台阶部之间间隔形成间隙。
此结构，通过凹陷部与台阶部的配合，可限制刷头的摆动角度。通过两个第二拱形凸部可对连接座的摆动起到引导作用。
在一个实施例中，所述连接座包括与所述刷柄铰接的铰接座、安装于所述铰接座上的支撑座和连接所述支撑座与所述刷头的连接杆；所述弹性件远离所述刷柄的一端与所述支撑座连接。
此结构，通过将连接座设置为铰接座、支撑座与连接杆，从而便于对连接座的拆解及维护。通过连接杆将支撑座与刷头连接，便于刷头与连接座之间的拆卸及维护。
在一个实施例中，所述支撑座包括安装于所述铰接座之一端的第一基座和安装于所述铰接座之另一端的第二基座，所述连接杆远离所述刷头的一端与所述第一基座相连，所述弹性件远离所述刷柄的一端与所述第二基座相连。
此结构，将支撑座设置为第一基座和第二基座，便于对支撑座的拆解和维护；通过将连接杆和弹性件分别设于连接座的两端，从而便于分别与刷头和刷柄连接，互不干涉，且有助于提高弹性件对连接座的回弹拉动能力。
在一个实施例中，所述第一基座上开设有供所述连接杆远离所述刷头的一端插入的通孔。
此结构，可实现对连接杆的快速定位安装，效率高。
在一个实施例中，所述第一基座上开设有两个相对设置的第一安装孔，各所述第一安装孔与所述通孔连通；所述连接杆上开设有第二安装孔和安装于所述第二安装孔中的锁紧件，所述锁紧件分别穿过两个所述第一安装孔和所述第二安装孔。
此结构，通过锁紧件可提高连接杆与第一基座的连接强度，避免连接杆脱离第一基座。
在一个实施例中，所述第二基座上安装有插条，所述铰接座上对应开设有供所述插条插入的插槽。
此结构，通过插条与插槽的配合，可提高第二基座与铰接座的对位精度，提高第二基座与铰接座之间的安装效率。
在一个实施例中，所述刷头上分别开设有供所述连接杆远离所述刷柄的一端插入的第一插孔和供所述连接座远离所述刷柄的一端插入的第二插孔，所述第二插孔与所述第一插孔连通。
此结构，通过第一插孔可提高连接杆与刷头的对位精度，通过第二插孔可提高第一基座与刷头的对位精度，进而提高安装效率，也便于连接杆和连接座分别与刷头的拆卸及维护。
在一个实施例中，所述连接座上开设有卡孔，所述第二插孔的内侧壁上安装有与所述卡孔配合卡合的卡钩。
此结构，可实现连接座与刷头的紧固连接，提高刷头与连接座之间的安装稳固性。
附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例或示范性技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本申请实施例一提供的牙刷的立体结构示意图；
图2为图1的分解示意图；
图3为本申请实施例一提供的连接座和弹性件连接的立体结构示意图；
图4为图3的分解示意图；
图5为本申请实施例一提供的第一基座的立体结构示意图；
图6为本申请实施例一提供的刷头的截面示意图；
图7为本申请实施例二提供的牙刷的立体结构示意图；
图8为图7中A处的放大示意图；
图9为图7的分解示意图。
其中，图中各附图主要标记：
刷柄；11、第一拱形凸部；12、第二拱形凸部；13、第一抵挡部；14、凹陷部；
连接座；21、铰接端；22、第二抵挡部；23、铰接座；231、弧形凹槽；232、定位凸部；24、支撑座；241、第一基座；2410、通孔；2411、第一安装孔；2412、卡孔；242、第二基座；2421、插条；25、台阶部；26、连接杆；260、第二安装孔；261、锁紧件；
刷头；31、第一插孔；32、第二插孔；33、卡钩；34、定位槽；
弹性件。
具体实施方式
为了使本申请所要解决的技术问题、技术方案及有益效果更加清楚明白，以下结合附图及实施例，对本申请进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本申请，并不用于限定本申请。
需要说明的是，当元件被称为“固定于”或“设置于”另一个元件，它可以直接在另一个元件上或者间接在该另一个元件上。当一个元件被称为是“连接于”另一个元件，它可以是直接连接到另一个元件或间接连接至该另一个元件上。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本申请的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。“若干”的含义是一个或一个以上，除非另有明确具体的限定。
在本申请的描述中，需要理解的是，术语“中心”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”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申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。
在本申请的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。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在本申请中的具体含义。
在整个说明书中参考“一个实施例”或“实施例”意味着结合实施例描述的特定特征，结构或特性包括在本申请的至少一个实施例中。因此，“在一个实施例中”或“在一些实施例中”的短语出现在整个说明书的各个地方，并非所有的指代都是相同的实施例。此外，在一个或多个实施例中，可以以任何合适的方式组合特定的特征，结构或特性。
实施例一：
请参阅图1和图2，现对本申请实施例一提供的牙刷进行说明。该牙刷包括刷柄1、一端与刷柄1铰接的连接座2、与连接座2的另一端相连的刷头3和安装于连接座2上的弹性件4，该弹性件4的一端与刷柄1连接，弹性件4的另一端与连接座2连接。其中，连接座2与刷柄1之间设有限位结构，当连接座2在刷柄1上摆动时，通过该限位结构可限制连接座2及刷头3的摆动角度。此结构，本申请通过在刷柄1上铰接有连接座2，以及连接该连接座2与刷柄1的弹性件4。在刷牙的过程中，当刷头3受到外力作用时，刷头3可通过连接座2在刷柄1上实现一定幅度内的摆动；当作用于刷头3的外力消失时，刷头3和连接座2可在弹性件4的弹性拉动作用下恢复至初始位 置状态，以便后续的重复刷牙作业。因此，本申请通过连接座2与弹性件4将刷头3与刷柄1连接，刷头3具有一定的弹性变形能力，有助于提高刷牙的舒适感。而且，通过限位结构可对连接座2的摆动角度进行限制，避免刷头3的摆动角度过大。
在一个实施例中，请参阅图2和图3，作为本申请实施例一提供的牙刷的一种具体实施方式，该限位结构包括设于刷柄1的一端之两侧的第一拱形凸部11、设于刷柄1的一端之另外两侧的第一抵挡部13、设于连接座2上并对应于各第一拱形凸部11的弧形凹槽231和设于连接座2上并对应于各第一抵挡部13的第二抵挡部22；两个第一拱形凸部11和两个第一抵挡部13位于刷柄1的同一侧，各第一拱形凸部11伸入相应弧形凹槽231中，各第一抵挡部13与相应第二抵挡部22之间间隔形成间隙。具体地，连接座2远离刷头3的一端具有两个相对设置的铰接端21和两个相对设置的第二抵挡部22，两个相对设置的铰接端21分别铰接于刷柄1上。此结构，各第一抵挡部13与相应第二抵挡部22之间间隔形成的间隙可供连接座2绕两个铰接端21的连线形成的转动轴线转动，两个相对设置的第二抵挡部22可分别与刷柄1上的两个第一抵挡部13配合抵挡，从而可限制连接座2及刷头3的摆动角度。通过两个第一拱形凸部11与两个弧形凹槽231的配合，可提高连接座2相对刷柄1摆动的可靠性。
在一个实施例中，请参阅图3，作为本申请实施例一提供的牙刷的一种具体实施方式，连接座2包括与刷柄1铰接的铰接座23、安装于铰接座23上的支撑座24和连接支撑座24与刷头3的连接杆26；弹性件4远离刷柄1的一端与支撑座24连接。具体地，铰接座23于两个相对设置的铰接端21的位置处开设有弧形凹槽231。此结构，通过将连接座2设置为铰接座23、支撑座24与连接杆26，从而便于对连接座2的拆解及维护。通过连接杆26将支撑座24与刷头3连接，便于刷头3与连接座2之间的拆卸及维护。
在一个实施例中，请参阅图4，作为本申请实施例一提供的牙刷的一种具体实施方式，支撑座24包括安装于铰接座23之一端的第一基座241和安装于铰接座23之另一端的第二基座242，连接杆26远离刷头3的一端与第一基座241相连，弹性件4远离刷柄1的一端与第二基座242相连。此结构，通过将支撑座24设置为第一基座241和第二基座242，便于对支撑座24的拆解及维护；通过将连接杆26和弹性件4分别设于连接座2的两端，从而便于分别与刷头3和刷柄1连接，互不干涉，且有助于提高弹性件4对连接座2的回弹拉动能力。
在一些实施例中，第一基座241、第二基座242和铰接座23可为一体成型。当然，在其它实施例中，第一基座241、第二基座242和铰接座23也可以分体设置，从而有助于对连接座2的拆解及维护。
在一个实施例中，请参阅图4和图5，作为本申请实施例一提供的牙刷的一种具体实施方式，第一基座241上开设有供连接杆26远离刷头3的一端插入的通孔2410。此结构，通过通孔2410可实现对连接杆26的快速定位安装，效率高。
在一个实施例中，请参阅图4和图5，作为本申请实施例一提供的牙刷的一种具体实施方式，第一基座241上还开设有两个相对设置的第一安装孔2411，各第一安装孔2411与通孔2410连通；连接杆26上开设有第二安装孔260和安装于第二安装孔260中的锁紧件261，锁紧件261分别穿过两个第一安装孔2411和第二安装孔260。此结构，通过锁紧件261可提高连接杆26与第一基座241的连接强度，避免连接杆26脱离第一基座241。其中，锁紧件261可为螺栓。
在一个实施例中，请参阅图4，作为本申请实施例一提供的牙刷的一种具体实施方式，第二基座242上安装有插条2421，铰接座23上对应开设有供插条2421插入的插槽(图未示)。此结构，通过插条2421与插槽的配合，可提高第二基座242与铰接座23的对位精度，提高第二基座242与铰接座23之间的安装效率。
在一个实施例中，请参阅图6，作为本申请实施例一提供的牙刷的一种具体实施方式，刷头3上分别开设有供连接杆26远离刷柄1的一端插入的第一插孔31和供连接座2远离刷柄1的一端插入的第二插孔32，第二插孔32与第一插孔31连通。具体地，连接杆26远离刷柄1的一端插入第一插孔31中，第一基座241远离刷柄1的一端插入第二插孔32中。此结构，通过第一插孔31可提高连接杆26与刷头3的对位精度，通过第二插孔32可提高第一基座241与刷头3的对位精度，进而提高安装效率，也便于连接杆26和连接座2分别与刷头3的拆卸及维护。
在一个实施例中，请参阅图5和图6，作为本申请实施例一提供的牙刷的一种具体实施方式，连接座2上开设有卡孔2412，具体是第一基座241上开设有卡孔2412，第二插孔32的内侧壁上安装有与卡孔2412配合卡合的卡钩33。此结构，通过卡钩33与卡孔2412的配合，可实现连接座2与刷头3的紧固连接，提高刷头3与连接座2之间的安装稳固性，避免分离。
在一个实施例中，请参阅图2和图3，刷头3靠近刷柄1的一端开设有定位槽34，连接座2上对应设有伸入定位槽34中的定位凸部232。具体地，铰接座23的顶部设有该定位凸部232。此结构，通过定位槽34与定位凸部232的配合，可提高刷头3与连接座2的对位精度。
实施例二：
请参阅图7至图9，现对本申请实施例二提供的牙刷进行说明。该实施例二提供的牙刷是在上述实施例一提供的牙刷的基础上的改进，该实施例二提供的牙刷与上述实施例一提供的牙刷的区别在于：该限位结构包括设于刷柄1的一端之两侧的第二拱形凸部12、设于刷柄1的一端之另外两侧的凹陷部14和设于连接座2的外周面上的台阶部25；两个第二拱形凸部12和两个凹陷部14位于刷柄1的同一侧，凹陷部14与台阶部25之间间隔形成间隙。具体地，连接座2远离刷头3的一端之两个相对设置的铰接端21分别铰接于刷柄1上，连接座2的中部位置设置有台阶部25。此结构，凹陷部14与台阶部25之间间隔形成的间隙可供连接座2绕两个铰接端21的连线形成的转动轴 线转动，两个凹陷部14可分别与台阶部25配合抵挡，从而限制连接座2及刷头3的摆动角度。通过两个第二拱形凸部12可对连接座2的摆动起到引导作用。
本申请实施例二提供的牙刷的其它结构与上述实施例一提供的牙刷的对应结构相同，在此不再一一赘述。
以上所述仅为本申请的可选实施例而已，并不用以限制本申请，凡在本申请的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本申请的保护范围之内。

Claims (10)

  1. 牙刷，其特征在于，包括：
    刷柄；
    连接座，一端与所述刷柄铰接；
    刷头，与所述连接座的另一端相连；
    弹性件，安装于所述连接座上，所述弹性件的一端与所述刷柄连接，所述弹性件的另一端与所述连接座连接，所述弹性件用于弹性拉动所述连接座；
    其中，所述连接座与所述刷柄之间设有限位结构，所述限位结构用于限制所述刷头的摆动角度。
  2. 如权利要求1所述的牙刷，其特征在于：所述限位结构包括设于所述刷柄的一端之两侧的第一拱形凸部、设于所述刷柄的一端之另外两侧的第一抵挡部、设于所述连接座上并对应于各所述第一拱形凸部的弧形凹槽和设于所述连接座上并对应于各所述第一抵挡部的第二抵挡部；各所述第一拱形凸部伸入相应所述弧形凹槽中，各所述第一抵挡部与相应所述第二抵挡部之间间隔形成间隙。
  3. 如权利要求1所述的牙刷，其特征在于：所述限位结构包括设于所述刷柄的一端之两侧的第二拱形凸部、设于所述刷柄的一端之另外两侧的凹陷部和设于所述连接座的外周面上的台阶部，所述凹陷部与所述台阶部之间间隔形成间隙。
  4. 如权利要求1-3任一项所述的牙刷，其特征在于：所述连接座包括与所述刷柄铰接的铰接座、安装于所述铰接座上的支撑座和连接所述支撑座与所述刷头的连接杆；所述弹性件远离所述刷柄的一端与所述支撑座连接。
  5. 如权利要求4所述的牙刷，其特征在于：所述支撑座包括安装于所述铰接座之一端的第一基座和安装于所述铰接座之另一端的第二基座，所述连接杆远离所述刷头的一端与所述第一基座相连，所述弹性件远离所述刷柄的一端与所述第二基座相连。
  6. 如权利要求5所述的牙刷，其特征在于：所述第一基座上开设有供所述连接杆远离所述刷头的一端插入的通孔。
  7. 如权利要求6所述的牙刷，其特征在于：所述第一基座上开设有两个相对设置的第一安装孔，各所述第一安装孔与所述通孔连通；所述连接杆上开设有第二安装孔和安装于所述第二安装孔中的锁紧件，所述锁紧件分别穿过两个所述第一安装孔和所述第二安装孔。
  8. 如权利要求5所述的牙刷，其特征在于：所述第二基座上安装有插条，所述铰接座上对应开设有供所述插条插入的插槽。
  9. 如权利要求5所述的牙刷，其特征在于：所述刷头上分别开设有供所述连接杆远离所述刷柄的一端插入的第一插孔和供所述连接座远离所述刷柄的一端插入的第二插孔，所述第二插孔与所述第一插孔连通。
  10. 如权利要求9所述的牙刷，其特征在于：所述连接座上开设有卡孔，所述第二插孔的内侧壁上安装有与所述卡孔配合卡合的卡钩。
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JP2011229887A (ja) * 2010-04-28 2011-11-17 Toshiharu Nishida 指先歯ブラシ
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CN213785933U (zh) * 2020-11-18 2021-07-27 上海携福电器有限公司 牙刷
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JP2001186928A (ja) * 1999-12-28 2001-07-10 Susumu Nakanoubayashi 歯ブラシ
JP2011229887A (ja) * 2010-04-28 2011-11-17 Toshiharu Nishida 指先歯ブラシ
TW201635951A (zh) * 2015-04-02 2016-10-16 李德恭 定力刷具
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