WO2020192334A1 - 吸尘器吸嘴以及吸尘器 - Google Patents

吸尘器吸嘴以及吸尘器 Download PDF

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Publication number
WO2020192334A1
WO2020192334A1 PCT/CN2020/076565 CN2020076565W WO2020192334A1 WO 2020192334 A1 WO2020192334 A1 WO 2020192334A1 CN 2020076565 W CN2020076565 W CN 2020076565W WO 2020192334 A1 WO2020192334 A1 WO 2020192334A1
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WO
WIPO (PCT)
Prior art keywords
roller
vacuum cleaner
suction nozzle
connecting pipe
hook
Prior art date
Application number
PCT/CN2020/076565
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English (en)
French (fr)
Inventor
彭劲松
梁玉
Original Assignee
苏州市伟克斯电器有限公司
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
Priority claimed from CN201910241433.9A external-priority patent/CN109730582A/zh
Priority claimed from CN201920404889.8U external-priority patent/CN209826558U/zh
Application filed by 苏州市伟克斯电器有限公司 filed Critical 苏州市伟克斯电器有限公司
Publication of WO2020192334A1 publication Critical patent/WO2020192334A1/zh

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators

Definitions

  • the invention belongs to the field of vacuum cleaners, and specifically relates to a vacuum cleaner suction nozzle and a vacuum cleaner.
  • rechargeable vacuum cleaners have become increasingly popular, especially the rechargeable vacuum cleaners disclosed by CN105030149A Dyson.
  • the feature of this vacuum cleaner is that the motor and battery pack are located on the top of the extension tube, and the overall center of gravity of the vacuum cleaner is relatively high.
  • the floor nozzle of this type of vacuum cleaner is generally as disclosed by CN105380570B Dyson.
  • the bottom of the nozzle has a roller to assist the nozzle to move on the surface to be cleaned.
  • This vacuum cleaner has both a main body with a high center of gravity and a flexible floor suction nozzle, which is convenient for daily vacuuming work. However, it cannot stand stably against the wall after vacuuming, and it is easy to fall.
  • the present invention was made to solve the above-mentioned problems, and the object is to provide a vacuum cleaner nozzle and a vacuum cleaner.
  • the present invention provides a suction nozzle of a vacuum cleaner, which is used to directly or indirectly communicate with the main body of the vacuum cleaner to suck dust from the surface to be cleaned. It has such characteristics, including: a suction nozzle body with a roller; a connecting tube and a suction nozzle body It is rotatably connected for conveying the dust-containing air flow introduced under the main body of the suction nozzle to the main body of the vacuum cleaner; and a brake mechanism is arranged between the roller and the connecting pipe to limit the rotation of the roller, wherein the brake mechanism includes At least one roller inner blocking element and a swing hook, the roller inner blocking element is arranged on the inner side of the roller, the upper part of the swing hook is rotatably connected with the nozzle body, and the lower part extends away from the rotation axis of the roller to form a hook tip.
  • the hook tip When in the first state of releasing the restriction of the roller, the hook tip leaves the inner blocking element of the roller so that the roller can rotate freely.
  • the suction nozzle of the vacuum cleaner When the suction nozzle of the vacuum cleaner is in the second state of restricting the rotation of the roller, the hook tip abuts against the inner blocking element of the roller, thereby restricting The rotation of the wheel.
  • the suction nozzle of the vacuum cleaner may also have such a feature: wherein the connecting pipe is further provided with a driving block, and the swing hook is provided with a moving block, which is used to cater to the driving block, when the connecting pipe When rotating forward at a certain angle, the driving block follows the connecting pipe and rotates forward until it abuts against the moving block, and then pushes the swing hook to swing, so that the hook tip abuts against the blocking element inside the roller to prevent the roller from rotating, and the suction nozzle of the vacuum cleaner enters the restriction
  • the second state of the roller rotation when the connecting pipe rotates backward by a certain angle, the driving block and the moving block are out of contact, and the hook tip is out of contact with the inner blocking element of the roller, so that the roller can rotate freely, and the suction nozzle of the vacuum cleaner enters the limit of the roller.
  • the first state when the connecting pipe rotates backward by a certain angle, the driving block and the moving block are out of contact, and the hook tip is out of contact with
  • the suction nozzle of the vacuum cleaner may also have such a feature: wherein the rotating shaft of the swing hook is located in front of the rotating shaft of the roller, and the driving block has an upper arc surface, a lower arc surface, and the upper arc surface and the For the driving surface between the lower arc surfaces, the front end of the lower arc surface is located in front of the front end of the upper arc surface.
  • the suction nozzle of the vacuum cleaner provided by the present invention may also have the feature that the extension direction of the blocking element inside the roller is parallel to the rotation axis of the roller.
  • the present invention also provides a vacuum cleaner having such characteristics, comprising: the vacuum cleaner nozzle described in any one of the above.
  • the brake mechanism is arranged between the roller and the connecting pipe, and has a roller inner blocking element and a swing hook.
  • the roller inner blocking element is provided on the inner side of the roller, and the swing hook It has a hook tip, so when the hook tip abuts against the roller inner blocking element, the rotation of the roller is restricted; when the hook tip leaves the roller inner blocking element, the roller can rotate freely, that is, the rotation of the roller can be controlled by the brake mechanism.
  • the vacuum cleaner nozzle has a brake mechanism, therefore, when the vacuum cleaner needs to stand, the brake mechanism can prevent the roller of the vacuum cleaner nozzle from rotating, so that the vacuum cleaner can lean against the wall Or a similar solid support stands, the suction nozzle of the vacuum cleaner does not slide forward, that is, the entire vacuum cleaner can stand stably and is not easy to fall.
  • Fig. 1 is a schematic diagram of a three-dimensional structure of a suction nozzle of a vacuum cleaner in an embodiment of the present invention
  • FIG. 2 is a schematic diagram of the three-dimensional structure of the suction nozzle of the vacuum cleaner with the upper cover of the suction nozzle main body removed in the embodiment of the present invention
  • Fig. 3 is an exploded enlarged view of the roller and connecting tube in Fig. 2;
  • FIG. 4 is a schematic view of the three-dimensional structure of the suction nozzle of the vacuum cleaner with the upper cover and a roller removed from the nozzle body in the embodiment of the present invention
  • Fig. 5 is a sectional view of the roller when the suction nozzle of the vacuum cleaner is in the first state in the embodiment of the present invention
  • Figure 6 is a cross-sectional view of the roller when the suction nozzle of the vacuum cleaner is in the second state in the embodiment of the present invention
  • Fig. 7 is a schematic diagram of the state of the vacuum cleaner when the suction nozzle of the vacuum cleaner is in the first state in the embodiment of the present invention.
  • Fig. 8 is a schematic diagram of the state of the vacuum cleaner when the suction nozzle of the vacuum cleaner is in the second state in the embodiment of the present invention.
  • the vacuum cleaner in this embodiment is used to suck dust from the surface to be cleaned, and includes a vacuum cleaner nozzle 10 and a vacuum cleaner host.
  • Fig. 1 is a schematic diagram of a three-dimensional structure of a suction nozzle of a vacuum cleaner in an embodiment of the present invention.
  • 2 is a schematic diagram of the three-dimensional structure of the suction nozzle of the vacuum cleaner with the upper cover of the suction nozzle main body removed in the embodiment of the invention.
  • the vacuum cleaner suction nozzle 10 is directly or indirectly connected with the vacuum cleaner main body, and includes the suction nozzle body 11, the connecting pipe 13, and the braking mechanism.
  • a suction opening is provided under the suction nozzle body 11, and the back is rotatably connected and communicated with the connecting pipe 13.
  • the nozzle body 11 has a roller 12.
  • two rollers 12 are provided behind the suction nozzle 10 of the vacuum cleaner.
  • the two rollers 12 are respectively installed on the left and right sides of the nozzle body 11 and can rotate relative to the nozzle body 11 around the roller shaft.
  • the front of the connecting tube 13 is connected to the nozzle body 11 and can rotate relative to the nozzle body 11, so that the connecting tube 13 and the surface to be cleaned form different angles.
  • the connecting pipe 13 and the roller 12 are preferably coaxial, as shown in Figs. 4-6.
  • the connecting pipe 13 is directly or indirectly connected to the main body of the vacuum cleaner, and there is an air flow channel inside, which communicates with the air flow channel inside the suction nozzle body 11. The dust-containing air flow flows from the suction opening into the suction nozzle body 11, and then flows to the vacuum cleaner through the connection pipe 13 Host.
  • the inner side of the roller 12 is close to the connecting pipe 13.
  • Fig. 3 is an exploded enlarged view of the roller and the connecting pipe in Fig. 2.
  • 4 is a schematic diagram of the three-dimensional structure of the suction nozzle of the vacuum cleaner with the upper cover and a roller removed from the nozzle body in the embodiment of the present invention.
  • the brake mechanism is arranged between the roller 12 and the connecting pipe 13 to limit the rotation of the roller 12 and includes a blocking element 15 inside the roller and a swing hook 16.
  • the roller inner side blocking element 15 is arranged on the inner side of the roller 12 and the extending direction is substantially parallel to the rotation axis of the roller 12.
  • the number of blocking elements 15 on the inner side of the roller is at least one, preferably multiple. In this embodiment, the number of the roller inner blocking elements 15 is multiple, and the plurality of roller inner blocking elements 15 are evenly distributed along the circumferential direction of the roller 12.
  • Figure 5 is a cross-sectional view of the roller when the suction nozzle of the vacuum cleaner is in the first state in the embodiment of the present invention.
  • Fig. 6 is a cross-sectional view of the roller when the suction nozzle of the vacuum cleaner is in the second state in the embodiment of the present invention.
  • the swing hook 16 is provided on the nozzle body 11.
  • the upper part of the swing hook 16 is sleeved on the periphery of a cylinder protruding to the roller 12 of the nozzle body 11, and the protruding cylinder forms the swing hook rotating shaft 17.
  • the swing hook rotating shaft 17 is arranged in front of the rotating shaft of the roller 12.
  • the swing hook 16 can rotate around the swing hook shaft 17.
  • the lower part of the swing hook 16 is provided with a hook tip 18 extending in a direction away from the rotation axis of the roller 12, preferably extending forward.
  • a moving block is provided on the side of the swing hook 16 close to the connecting pipe 13, and a receiving surface 20 is provided on the moving block, and the receiving surface 20 is close to the connecting pipe 13.
  • the front end of the connecting pipe 13 is also provided with a driving block.
  • the position of the driving block corresponds to the position of the moving block, so that the driving block can rotate with the rotation of the connecting pipe 13, thereby pushing the moving block to rotate, so that the swing hook 16 rotates around the swing hook rotating shaft 17.
  • the driving block is arc-shaped and has an upper arc surface 21, a lower arc surface 22, and a driving surface 19 located between the upper arc surface 21 and the lower arc surface 22.
  • the front end 23 of the lower arc surface 22 is located in front of the front end 24 of the upper arc surface 21, so that the end of the driving surface 19 is pointed, which is convenient to enter under the driven surface 20 so as to push the driven block farther.
  • Fig. 7 is a schematic diagram of the state of the vacuum cleaner when the suction nozzle of the vacuum cleaner is in the first state in the embodiment of the present invention.
  • Fig. 8 is a schematic diagram of the state of the vacuum cleaner when the suction nozzle of the vacuum cleaner is in the second state in the embodiment of the present invention.
  • the use process of the vacuum cleaner in this embodiment is:
  • the connecting tube 13 When the angle ⁇ 1 between the connecting tube 13 and the nozzle body 11 is relatively large (for example, ⁇ 1 > 115°), the connecting tube 13 is close to the surface to be cleaned, and the vacuum cleaner nozzle 10 enters the first state, that is, the cleaning state, and the user can The suction nozzle 10 of the vacuum cleaner is pushed to move back and forth on the surface of the cleaning object to vacuum. At this time, the hook tip 18 of the swing hook 16 is away from the corresponding roller inner blocking element 15.
  • the driving block synchronously rotates clockwise around the connecting tube shaft 14 until it is out of contact with the moving block.
  • the hook tip of the swing hook 16 18 rotates counterclockwise due to its own gravity until it is out of contact with the inner blocking element 15 of the roller, the roller 12 regains freedom, and the vacuum cleaner nozzle 10 enters the first state and can rotate freely on the surface to be cleaned.
  • the brake mechanism is arranged between the roller and the connecting pipe, and has a roller inner blocking element and a swing hook.
  • the roller inner blocking element is provided on the inner side of the roller, and the swing hook It has a hook tip, so when the hook tip abuts against the roller inner blocking element, the rotation of the roller is restricted; when the hook tip leaves the roller inner blocking element, the roller can rotate freely, that is, the rotation of the roller can be controlled by the brake mechanism.
  • the vacuum cleaner nozzle has a brake mechanism, therefore, when the vacuum cleaner needs to stand, the brake mechanism can prevent the roller of the vacuum cleaner nozzle from rotating, so that the vacuum cleaner can lean against the wall Or a similar solid support stands, the suction nozzle of the vacuum cleaner does not slide forward, that is, the entire vacuum cleaner can stand stably and is not easy to fall.
  • a driving block is provided on the connecting pipe. Therefore, when the connecting pipe is rotated, for example, when the connecting pipe is rotated forward, the driving block can follow the connecting pipe to rotate forward, so as to abut against the moving block and push the swing hook to swing.
  • the hook tip is abutted with the inner blocking element of the roller to prevent the roller from rotating; when the connecting pipe is rotated backward, the driving block and the driven block are out of contact, and the hook tip is out of contact with the inner blocking element of the roller, so that the roller can rotate freely. It only needs to rotate the connecting pipe to realize the control of the rolling state of the roller, and then realize the switching between the two states of vacuum cleaner and standing against the wall (object), which is very convenient to use.
  • the swing hook 16 is located in front of the roller shaft 17, and the hook tip 18 extends forward.
  • the swing hook 16 can also be arranged behind the roller shaft, and the hook tip 18 extends rearward and points toward the roller inner blocking element 15 provided behind the roller shaft.
  • the driving surface 19 should also be adjusted accordingly, so that when the connecting pipe 13 rotates counterclockwise forward and upward from the first state, the driving surface 19 can push the swing hook 16 to rotate counterclockwise, so that the hook tip 18 swings backwards until it reaches the roller The inner blocking element 15 abuts, so that the cleaner nozzle 10 is transferred from the first state to the second state.

Abstract

本发明提供了一种吸尘器吸嘴，用于跟吸尘器主机直接或者间接连通，以便从待清洁表面吸取灰尘，具有这样的特征，包括：吸嘴主体(11)，带有滚轮(12)；连接管(13)，与吸嘴主体(11)可转动地连接，用于将吸嘴主体(11)下方导入的含尘气流向吸尘器主机进行输送；以及制动机构，设置在滚轮(12)与连接管(13)之间，用于限制滚轮(12)的转动，其中，制动机构包括至少一个滚轮内侧阻挡元件(15)以及摆钩(16)，滚轮内侧阻挡元件(15)设置在滚轮(12)的内侧，摆钩(16)的上部与吸嘴主体(11)可转动地连接，下部向背离滚轮(12)的转轴的方向伸展形成钩尖(18)，当吸尘器吸嘴处于解除限制滚轮(12)的第一状态时，钩尖(18)离开滚轮内侧阻挡元件(15)，使得滚轮(12)可以自由转动，当吸尘器吸嘴处于限制滚轮(12)转动的第二状态时，钩尖(18)与滚轮内侧阻挡元件(15)相抵接，从而限制滚轮(12)的转动。

Description

吸尘器吸嘴以及吸尘器 技术领域
本发明属于吸尘器领域，具体涉及一种吸尘器吸嘴以及吸尘器。
背景技术
随着锂电池技术的发展，充电式吸尘器日益流行，尤其是CN105030149A戴森所揭示的充电式吸尘器广受欢迎。这种吸尘器的特点是电机与电池包都位于延长管的顶部，吸尘器整体的重心比较高。这种吸尘器配置的地面吸嘴一般如同CN105380570B戴森所揭示的那样，吸嘴底部具有滚轮，用于辅助吸嘴在待清洁表面上移动。这种吸尘器同时具有高重心的主机和移动灵活的地面吸嘴，便于进行日常吸尘工作，但是，吸尘完毕后不能稳定地靠墙站立，很容易摔倒。
发明内容
本发明是为了解决上述问题而进行的，目的在于提供一种吸尘器吸嘴以及吸尘器。
本发明提供了一种吸尘器吸嘴，用于跟吸尘器主机直接或者间接连通，以便从待清洁表面吸取灰尘，具有这样的特征，包括：吸嘴主体，带有滚轮；连接管，与吸嘴主体可转动地连接，用于将吸嘴主体下方导入的含尘气流向吸尘器主机进行输送；以及制动机构，设置在滚轮与连接管之间，用于限制滚轮的转动，其中，制动机构包括至少 一个滚轮内侧阻挡元件以及摆钩，滚轮内侧阻挡元件设置在滚轮的内侧，摆钩的上部与吸嘴主体可转动地连接，下部向背离滚轮的转轴的方向伸展形成钩尖，当吸尘器吸嘴处于解除限制滚轮的第一状态时，钩尖离开滚轮内侧阻挡元件，使得滚轮可以自由转动，当吸尘器吸嘴处于限制滚轮转动的第二状态时，钩尖与滚轮内侧阻挡元件相抵接，从而限制滚轮的转动。
在本发明提供的吸尘器吸嘴中，还可以具有这样的特征：其中，连接管上还设置有驱动块，摆钩上设置有受动块，该受动块用于迎合驱动块，当连接管向前转动一定角度时，驱动块跟随连接管向前转动直到与受动块相抵接，进而推动摆钩摆动，使得钩尖与滚轮内侧阻挡元件相抵接，来阻止滚轮转动，吸尘器吸嘴进入限制滚轮转动的第二状态；当连接管向后转动一定角度时，驱动块与受动块脱离接触，钩尖与滚轮内侧阻挡元件脱离接触，使得滚轮能够自由转动，吸尘器吸嘴进入解除限制滚轮的第一状态。
在本发明提供的吸尘器吸嘴中，还可以具有这样的特征：其中，摆钩的转轴位于滚轮的转轴的前方，驱动块具有上弧面、下弧面以及设置在所述上弧面与所述下弧面之间的驱动面，下弧面的前端位于上弧面的前端的前方。
在本发明提供的吸尘器吸嘴中，还可以具有这样的特征：其中，滚轮内侧阻挡元件的延伸方向与滚轮的转轴平行。
本发明还提供了一种吸尘器，具有这样的特征，包括：上述任意一项所述的吸尘器吸嘴。
发明的作用与效果
根据本发明所涉及的吸尘器吸嘴，因为包括制动机构，该制动机构设置在滚轮与连接管之间，具有滚轮内侧阻挡元件以及摆钩，滚轮内侧阻挡元件设置在滚轮的内侧，摆钩具有钩尖，因此当钩尖与滚轮内侧阻挡元件相抵接时，滚轮的转动被限制；当钩尖离开滚轮内侧阻挡元件时，滚轮能够自由转动，即通过制动机构能够控制滚轮的转动。
根据本发明所涉及的吸尘器，因为具有吸尘器吸嘴，吸尘器吸嘴具有制动机构，因此，当吸尘器需要站立时，制动机构能够阻止吸尘器吸嘴的滚轮进行转动，使得该吸尘器能够倚靠墙体或者类似的坚固支撑物站立，吸尘器吸嘴不会向前滑动，即吸尘器整体能够稳定站立，不容易摔落。
附图说明
图1是本发明的实施例中吸尘器吸嘴的立体结构示意图；
图2是本发明的实施例中吸嘴主体去掉上盖后的吸尘器吸嘴立体结构示意图；
图3是图2中滚轮和连接管部位的分解放大视图；
图4是本发明的实施例中吸嘴主体去掉上盖以及一个滚轮后的吸尘器吸嘴立体结构示意图；
图5是本发明的实施例中吸尘器吸嘴处于第一状态时，滚轮的剖视 图；
图6是本发明的实施例中吸尘器吸嘴处于第二状态时，滚轮的剖视图；
图7是本发明的实施例中吸尘器吸嘴处于第一状态时，吸尘器的状态示意图；以及
图8是本发明的实施例中吸尘器吸嘴处于第二状态时，吸尘器的状态示意图。
具体实施方式
为了使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解，以下实施例结合附图对本发明吸尘器吸嘴以及吸尘器作具体阐述。
<实施例>
本实施例中的吸尘器用于从待清洁表面吸取灰尘，包括吸尘器吸嘴10以及吸尘器主机。
图1是本发明的实施例中吸尘器吸嘴的立体结构示意图。图2是本发明的实施例中吸嘴主体去掉上盖后的吸尘器吸嘴立体结构示意图。
如图1、2所示，吸尘器吸嘴10跟吸尘器主机直接或者间接连通，包括吸嘴主体11、连接管13以及制动机构。
吸嘴主体11的下方设有吸入开口，后方与连接管13可转动地连接并连通。当吸尘器主机启动时，含尘气流从吸入开口流入，经过连 接管13流向吸尘器主机。
吸嘴主体11带有滚轮12。优选实施例中，吸尘器吸嘴10后方设有两个滚轮12，两个滚轮12分别安装在吸嘴主体11的左右两侧，并能围绕滚轮转轴相对吸嘴主体11转动。
连接管13的前方与吸嘴主体11连接，并能相对吸嘴主体11转动，使得连接管13与待清洁表面形成不同角度。连接管13和滚轮12优选为同轴，如图4-图6所示。连接管13与吸尘器主机直接或者间接连接，内部设有气流通道，该气流通道与吸嘴主体11内部的气流通道连通，含尘气流从吸入开口流入吸嘴主体11，再经过连接管13流向吸尘器主机。
滚轮12的内侧面靠近连接管13。
图3是图2中滚轮和连接管部位的分解放大视图。图4是本发明的实施例中吸嘴主体去掉上盖以及一个滚轮后的吸尘器吸嘴立体结构示意图。
如图3、4所示，制动机构设置在滚轮12与连接管13之间，用于限制滚轮12的转动，包括滚轮内侧阻挡元件15以及摆钩16。
滚轮内侧阻挡元件15设置在滚轮12的内侧，延伸方向与滚轮12的转轴大致平行。滚轮内侧阻挡元件15的数量至少为一个，优选为多个。在本实施例中，滚轮内侧阻挡元件15的数量为多个，多个滚轮内侧阻挡元件15沿滚轮12的圆周方向上均匀分布。
图5是本发明的实施例中吸尘器吸嘴处于第一状态时，滚轮的剖视图。图6是本发明的实施例中吸尘器吸嘴处于第二状态时，滚轮的 剖视图。
如图4-6所示，摆钩16设置在吸嘴主体11上。摆钩16的上部套装在吸嘴主体11的向滚轮12凸出的圆柱外围，该凸出的圆柱形成摆钩转轴17。优选地，摆钩转轴17设置在滚轮12的转轴的前方。摆钩16能围绕摆钩转轴17转动。摆钩16的下部设有向远离滚轮12的转轴的方向伸展的钩尖18，优选为向前伸展。摆钩16上靠近连接管13的侧面设有受动块，受动块上设有受动面20，受动面20靠近连接管13。
连接管13的前端还设置有驱动块。驱动块的位置与受动块的位置相对应，使得驱动块能够随着连接管13的转动而转动，进而推动受动块转动，使得摆钩16绕摆钩转轴17转动。驱动块为圆弧状，具有上弧面21、下弧面22以及位于上弧面21和下弧面22之间的驱动面19。下弧面22的前端23位于上弧面21的前端24的前方，使得驱动面19的端部呈尖状，便于进入受动面20下方从而能将受动块推得更远。
图7是本发明的实施例中吸尘器吸嘴处于第一状态时，吸尘器的状态示意图。图8是本发明的实施例中吸尘器吸嘴处于第二状态时，吸尘器的状态示意图。
如图5-8所示，本实施例中的吸尘器的使用过程为：
当连接管13与吸嘴主体11的夹角α 1比较大(例如α 1＞115°)时，连接管13靠近待清洁表面，吸尘器吸嘴10进入第一状态，也就是清扫状态，用户可以推动吸尘器吸嘴10在清洁物体的表面前后运动进 行吸尘，此时摆钩16的钩尖18远离对应的滚轮内侧阻挡元件15。
当连接管13从第一状态围绕连接管转轴14逆时针转动时，位于连接管13前端的驱动块同步围绕连接管转轴14逆时针转动，驱动面19与摆钩16侧面的受动面20抵接，随着驱动面19围绕连接管转轴14继续逆时针转动，驱动面19与受动面20的接触面积逐渐加大，推动摆钩16围绕摆钩转轴17顺时针转动，直到钩尖18嵌入相邻滚轮内侧阻挡元件15之间，阻止滚轮12转动，此时如图6所示，驱动块与受动块之间抵接在一起，具体为上弧面21与受动面20的下部相抵接，并且此时连接管13与主体11的夹角α 2(例如α 2≤115°)比较小，连接管13的末端远离待清洁表面，吸尘器主机能站立在吸嘴主体11的上方，进入收纳状态(第二状态)。
当连接管13从第二状态围绕连接管转轴14顺时针向后向下转动时，驱动块同步围绕连接管转轴14顺时针转动，直到与受动块脱离接触，此时摆钩16的钩尖18因为自身重力逆时针转动，直到与滚轮内侧阻挡元件15脱离接触，滚轮12重新获得自由，吸尘器吸嘴10进入第一状态，可在待清洁表面自由转动。
实施例的作用与效果
根据本发明所涉及的吸尘器吸嘴，因为包括制动机构，该制动机构设置在滚轮与连接管之间，具有滚轮内侧阻挡元件以及摆钩，滚轮内侧阻挡元件设置在滚轮的内侧，摆钩具有钩尖，因此当钩尖与滚轮内侧阻挡元件相抵接时，滚轮的转动被限制；当钩尖离开滚轮内侧阻 挡元件时，滚轮能够自由转动，即通过制动机构能够控制滚轮的转动。
根据本发明所涉及的吸尘器，因为具有吸尘器吸嘴，吸尘器吸嘴具有制动机构，因此，当吸尘器需要站立时，制动机构能够阻止吸尘器吸嘴的滚轮进行转动，使得该吸尘器能够倚靠墙体或者类似的坚固支撑物站立，吸尘器吸嘴不会向前滑动，即吸尘器整体能够稳定站立，不容易摔落。
进一步地，连接管上设置驱动块，因此，当转动连接管时，例如向前转动连接管时，驱动块能够跟随连接管向前转动，从而与受动块相抵接，进而推动摆钩摆动，使得钩尖与滚轮内侧阻挡元件相抵接，来阻止滚轮转动；向后转动连接管时，驱动块与受动块脱离接触，钩尖与滚轮内侧阻挡元件脱离接触，使得滚轮能够自由转动。只需要通过转动连接管就能实现对滚轮滚动状态的控制，进而实现吸尘器的吸尘与靠墙(物)站立两种状态之间的切换，使用起来十分方便。
上述实施方式为本发明的优选案例，并不用来限制本发明的保护范围。
例如，在本实施例中，摆钩16位于滚轮转轴17的前方，钩尖18向前方伸展。在实际应用中，摆钩16也可以设置在滚轮转轴的后方，钩尖18向后方伸展，指向设于滚轮转轴后方的滚轮内侧阻挡元件15。此时驱动面19也要进行相应调整，使得连接管13从第一状态逆时针向前向上转动时，驱动面19能推动摆钩16逆时针转动，使得钩尖18向后摆动，直到与滚轮内侧阻挡元件15抵接，使得吸尘器 吸嘴10从第一状态转入第二状态。当连接管13从第二状态顺时针向后转动时，驱动面19与摆钩16脱离接触，摆钩16的重力驱使摆钩16顺时针转动，使得钩尖18与滚轮内侧阻挡元件15脱离接触，吸尘器吸嘴10进入第一状态。

Claims (5)

  1. 一种吸尘器吸嘴，用于跟吸尘器主机直接或者间接连通，以便从待清洁表面吸取灰尘，其特征在于，包括：
    吸嘴主体，带有滚轮；
    连接管，与所述吸嘴主体可转动地连接，用于将所述吸嘴主体下方导入的含尘气流向所述吸尘器主机进行输送；以及
    制动机构，设置在所述滚轮与所述连接管之间，用于限制所述滚轮的转动，
    其中，所述制动机构包括至少一个滚轮内侧阻挡元件以及摆钩，
    所述滚轮内侧阻挡元件设置在所述滚轮的内侧，
    所述摆钩的上部与所述吸嘴主体可转动地连接，下部向背离所述滚轮的转轴的方向伸展形成钩尖，
    当所述吸尘器吸嘴处于解除限制滚轮的第一状态时，所述钩尖离开所述滚轮内侧阻挡元件，使得所述滚轮可以自由转动，
    当所述吸尘器吸嘴处于限制滚轮转动的第二状态时，所述钩尖与所述滚轮内侧阻挡元件相抵接，从而限制所述滚轮的转动。
  2. 根据权利要求1所述的吸尘器吸嘴，其特征在于：
    其中，所述连接管上还设置有驱动块，
    所述摆钩上设置有受动块，该受动块用于迎合所述驱动块，
    当所述连接管向前转动一定角度时，所述驱动块跟随所述连接管向前转动直到与所述受动块相抵接，进而推动所述摆钩摆动，使得所述钩尖与所述滚轮内侧阻挡元件相抵接，来阻止所述滚轮转动，所述 吸尘器吸嘴进入限制滚轮转动的所述第二状态；
    当所述连接管向后转动一定角度时，所述驱动块与所述受动块脱离接触，所述钩尖与所述滚轮内侧阻挡元件脱离接触，使得所述滚轮能够自由转动，所述吸尘器吸嘴进入解除限制滚轮的所述第一状态。
  3. 根据权利要求2所述的吸尘器吸嘴，其特征在于：
    其中，所述摆钩的转轴位于所述滚轮的转轴的前方，
    所述驱动块具有上弧面、下弧面以及设置在所述上弧面与所述下弧面之间的驱动面，
    所述下弧面的前端位于所述上弧面的前端的前方。
  4. 根据权利要求1所述的吸尘器吸嘴，其特征在于：
    其中，所述滚轮内侧阻挡元件的延伸方向与所述滚轮的转轴平行。
  5. 一种吸尘器，其特征在于，包括：
    权利要求1～4中任意一项所述的吸尘器吸嘴。
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