WO2019148565A1 - 耙子和宠物厕所 - Google Patents

耙子和宠物厕所 Download PDF

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Publication number
WO2019148565A1
WO2019148565A1 PCT/CN2018/077457 CN2018077457W WO2019148565A1 WO 2019148565 A1 WO2019148565 A1 WO 2019148565A1 CN 2018077457 W CN2018077457 W CN 2018077457W WO 2019148565 A1 WO2019148565 A1 WO 2019148565A1
Authority
WO
WIPO (PCT)
Prior art keywords
substrate
gear
state
blade
shovel
Prior art date
Application number
PCT/CN2018/077457
Other languages
English (en)
French (fr)
Inventor
王忠山
周平
李万象
Original Assignee
深圳市沃特沃德股份有限公司
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 CN201820202948.9U external-priority patent/CN208338573U/zh
Priority claimed from CN201810112217.XA external-priority patent/CN108174788A/zh
Application filed by 深圳市沃特沃德股份有限公司 filed Critical 深圳市沃特沃德股份有限公司
Publication of WO2019148565A1 publication Critical patent/WO2019148565A1/zh

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K1/00—Housing animals; Equipment therefor
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K1/00—Housing animals; Equipment therefor
    • A01K1/01—Removal of dung or urine, e.g. from stables

Definitions

  • the invention relates to the technical field of pet supplies, in particular to a scorpion and a pet toilet.
  • a pet toilet capable of automatically cleaning pet feces is proposed in the prior art.
  • tweezers and storage boxes in the pet toilet, and sand is placed on the bottom as the sand bottom.
  • the tweezers will shovel the feces and pour them into the storage box, eliminating the trouble of manually cleaning the pet feces.
  • the die includes a base 10 and a plurality of blades 20 attached to the base 10.
  • the plurality of blades 20 are arranged in a row with a gap between adjacent blades 20. Since there is a gap between the adjacent shovel pieces 20 of the scorpion, the shovel can be scooped to filter out the sand, preventing the sand from being poured into the storage box together with the faeces.
  • the main object of the present invention is to provide a scorpion and a pet toilet, which is intended to add a shoveling function to the scorpion and to facilitate the replacement of the sand bottom in the pet toilet.
  • an embodiment of the present invention provides a die, including a base body and a plurality of blades connected to the base body, and a driving device connected to the base body, the driving device driving the blade to rotate,
  • the shovel is switched between the first state and the second state, wherein: when in the first state, the plurality of shovel pieces are arranged in a row, and the adjacent shovel pieces are separated by a preset distance; When in the second state, the plurality of blades are arranged in a row and spliced into one body.
  • the base body includes a housing, a first substrate and a second substrate, the first substrate and the driving device are connected to the housing, and an end of the blade is provided with a first rotating shaft and a second rotating shaft.
  • a first insertion hole and a limiting hole are disposed on the first substrate, a second insertion hole is disposed on the second substrate, the first rotating shaft is inserted into the first insertion hole, and the second rotating shaft passes through The limiting hole is inserted into the second insertion hole; the driving device drives the second substrate to move in a longitudinal direction to rotate the blade around the first rotating shaft.
  • the driving device comprises a motor, a gear and a push rod
  • the push rod is connected to the gear at one end
  • the second substrate is connected to the other end
  • the motor drives the gear to rotate
  • the gear drives the The pusher pushes or pulls the second substrate.
  • the gear includes a first gear and a second gear that mesh with each other, the motor drives the first gear, and the second gear connects the push rod.
  • the diameter of the first gear is smaller than the diameter of the second gear.
  • the push rods are movably coupled to the gear and the second substrate, respectively.
  • the first jack is a through hole or a blind hole.
  • the second jack is a through hole or a blind hole.
  • the sides of the blade are provided with beveled edges for facilitating splicing engagement with adjacent blades.
  • the first substrate is movably connected to the second substrate.
  • the first substrate and the second substrate are movably connected by a snap structure.
  • the engaging structure includes a groove disposed on the first substrate and a protrusion disposed on the second substrate.
  • the engaging structure includes a protrusion disposed on the first substrate and a groove disposed on the second substrate.
  • the engaging structure includes a groove disposed on the first substrate, and the second substrate is received in the groove.
  • the embodiment of the invention simultaneously proposes a pet toilet, which comprises a toilet shell and a storage box and a tweezers housed in the toilet shell, the tweezers being the aforementioned dice.
  • the driving device drives the blade to rotate, so that the blade switches between the first state and the second state, and when in the second state, multiple The shovel pieces are arranged in a row and spliced into one body.
  • a small object such as sand
  • the sand in the pet toilet can be automatically cleared, which is convenient for the user to replace the sand bottom in the pet toilet.
  • FIG. 1 is a schematic structural view of a tweezers in the prior art
  • FIG. 2 is a schematic structural view of a die according to an embodiment of the present invention in a first state
  • FIG. 3 is a schematic structural view of a die according to an embodiment of the present invention in a second state
  • Figure 4 is an exploded view of the die of the embodiment of the present invention.
  • FIG. 5 is a partial schematic structural view of a die in a first state according to an embodiment of the present invention.
  • Figure 6 is a partially enlarged schematic view showing the dice in the first state in the embodiment of the present invention.
  • Figure 7 is a partial structural view showing the dice in the second state in the embodiment of the present invention.
  • Figure 8 is a partially enlarged schematic view showing the dice in the second state in the embodiment of the present invention.
  • Figure 9 is a schematic structural view of the driving device of Figure 4.
  • Fig. 10 is a schematic structural view of a pet toilet according to an embodiment of the present invention.
  • the tweezers of the embodiments of the present invention may be used alone or in a device such as a pet toilet.
  • the tweezers include a base 10 and a plurality of blades 20 and a drive unit 30 coupled to the base 10.
  • the drive unit 30 can drive all of the blade 20 to rotate to switch the blade 20 between the first state and the second state, wherein: when in the first state (as shown in FIG. 2), the plurality of blades 20 Layout in a row, and the adjacent shovel 20 is spaced apart by a predetermined distance (the width of the rafter), at this time, the scorpion can only shovel an object having a larger volume than the shovel 20 (such as a pet's stool); when in the second state At the time (as shown in FIG.
  • the plurality of shovel pieces 20 are arranged in a row and are spliced into one body, which is equivalent to combining a plurality of small shovel pieces 20 into one large shovel piece, at which time the scorpion can shovel all objects, including Small size sand.
  • the driving device 30 drives all the shovel 20 to rotate 90 degrees counterclockwise to switch to the second state (eg, Figure 3); when the user wants to shovel pet feces but does not need to shovel sand, the drive unit 30 in turn drives all of the shovel 20 to rotate 90 degrees clockwise to return to the first state (as shown in Figure 2).
  • angle of the blade 20 rotating clockwise and counterclockwise in addition to 90 degrees, may be other angles between 0-90 degrees, such as 60-90 degrees, but must be guaranteed in the second state
  • the shovel 20 can be arranged in a row and spliced into one.
  • the two adjacent shovel pieces 20 can be fitted to form a whole body, avoiding a gap between the shovel pieces 20, and can more effectively scoop up objects such as sand and the like.
  • the base 10 includes a housing 13, a first substrate 11, and a second substrate 12.
  • the outer casing 13 is preferably cylindrical in shape, although other shapes are also possible, and the first substrate 11 and the second substrate 12 are preferably housed in the outer casing 13.
  • the first substrate 11 is connected to the outer casing 13, and the second substrate 12 is movably connected to the first substrate 11, preferably by a snap structure, so that the second substrate 12 can be moved in the longitudinal direction (ie, the length direction) while preventing the lateral side thereof. Move to increase stability.
  • the engaging structure includes a groove and a protrusion received in the groove, and the groove may be disposed on both sides of the first substrate 11 and extend along the longitudinal direction (ie, the length direction) of the first substrate 11 , correspondingly,
  • the bumps are disposed on both sides of the second substrate 12 and extend longitudinally along the second substrate 12; of course, the bumps may be disposed in reverse, that is, the grooves are disposed on both sides of the second substrate 12 and along the longitudinal direction of the second substrate 12 (ie, the length) The direction is extended, and correspondingly, the bumps are disposed on both sides of the first substrate 11 and extend longitudinally along the first substrate 11.
  • the engaging structure may only include a recess disposed in the first substrate 11 , and the second substrate 12 is entirely received in the recess of the first substrate 11 .
  • the engaging structure is a common active connecting structure in the prior art, and the present invention will not be described herein.
  • a handle that is convenient for the user to hold can be attached to the outer casing 13 of the base 10.
  • each of the blades 20 is provided with a first rotating shaft 21 and a second rotating shaft 22
  • the first substrate 11 is provided with a first jack corresponding to each of the blades 20
  • the second insertion hole 121 is disposed on the second substrate 12 corresponding to the position of each blade 20.
  • the first jack 111 and the second jack 121 may be blind holes or through holes.
  • the limiting hole 112 is a through hole and has an arc-shaped elongated shape for limiting the stroke and the moving track of the second rotating shaft 22.
  • the first rotating shaft 21 of each blade 20 is inserted into the first insertion hole 111 of the first substrate 11 , and the second rotating shaft 22 of each blade 20 passes through the limiting hole 112 of the first substrate 11 and is inserted into the second substrate 12 .
  • the driving device 30 drives the second substrate 12 to move in the longitudinal direction (ie, the length direction), and drives the second rotating shaft 22 to move along the limiting hole 112, moving from one end of the limiting hole 112 to the other end, so that the blade 20 is wound around the first
  • the shaft 21 rotates. It should be noted that in FIG. 6 and FIG. 8, the notches on the first substrate and the second substrate are only excavated for the convenience of viewing the internal structure, and it is not necessary to dig out the gap in the actual product.
  • the blade 20 of the die when the second rotating shaft 22 of the blade is located at the right end of the limiting hole 112, the blade 20 of the die is in the first state, that is, the plurality of blades 20 are arranged in a row, and the phase The adjacent blades 20 are spaced apart by a predetermined distance.
  • the blade 20 of the die when the second rotating shaft 22 of the blade moves to the left end of the limiting hole 112, the blade 20 of the die is in the second state, that is, the plurality of blades 20 are arranged in a row and spliced. In one.
  • the driving device 30 is connected to the outer casing 13 of the base 10, preferably received in the outer casing 13, and fixed to the side wall of the outer casing 13.
  • the driving device 30 includes a housing 31, a motor, a gear 32, and a push rod 33.
  • the motor and the gear 32 are mounted to the housing 31, and the push rod 33 is connected to the gear 32 at one end and the second substrate 12 at the other end.
  • the drive gear 32 rotates, and the gear 32 drives the push rod 33 to push or pull the second substrate 12.
  • the gear 32 drives the push rod 33 to push the second substrate 12; when the motor drive gear 32 reverses, the gear 32 drives the push rod 33 to pull the substrate.
  • the push rod 33 can be movably connected at one end, and the other end is fixedly connected.
  • one end of the push rod 33 is movably connected to the gear 32, and the other end is fixedly connected to the second substrate 12.
  • one end of the push rod 33 is fixedly connected with the gear 32, and the other end is connected with the other end.
  • the second substrate 12 is movably connected.
  • the two ends of the push rod 33 are movably connected to the gear 32 and the second substrate 12 respectively, so that the push rod 33 pushes and pulls the second substrate 12 more flexibly and smoothly.
  • the gear 32 includes a first gear 321 and a second gear 322.
  • the diameter of the first gear 321 is smaller than the diameter of the second gear 322.
  • the rotating shaft of the motor is coupled to the first gear 321 to drive the first gear 321 to rotate.
  • the second gear 322 is connected to the push rod 33, and the push rod 33 is pushed to push and pull the second substrate 12.
  • the driving device 30 can adopt other structures in the prior art in addition to the above structure.
  • the gear 32 structure described above may be replaced with a cam mechanism to convert the rotational motion into a linear motion; the cylinder may also be used to push and pull the second substrate 12, and the like. The present invention will not be repeated here.
  • the base 10 of the rafter is further provided with rollers 40.
  • the rollers 40 can roll on the tracks on both sides of the inner wall of the pet toilet, so that the rafters can be Move inside the pet toilet.
  • the driving device 30 can be controlled to be turned on and off by a switch, such as a switch is disposed inside the base 10 of the die, and the switch includes a switch button exposing the surface of the base 10.
  • a switch such as a switch is disposed inside the base 10 of the die, and the switch includes a switch button exposing the surface of the base 10.
  • the blade 20 can be controlled to switch between the first state and the second state, thereby controlling the switch to switch between the functions of shoveling large objects (such as feces) and shoveling small objects (such as sand).
  • the driving device 30 drives the blade 20 to rotate, so that the blade 20 is switched between the first state and the second state, and when in the second state, multiple The shovel pieces 20 are arranged in a row and spliced into one body, and at this time, it is possible to shovel a small object such as sand, thereby adding a shoveling function to the scorpion.
  • the scorpion is applied to the pet toilet, the sand in the pet toilet can be automatically cleared, which is convenient for the user to replace the sand bottom in the pet toilet.
  • the pet toilet includes a toilet housing 100 and a storage box 200 and a dice 300 housed in the toilet housing 100.
  • the storage box 200 is disposed at one end of the toilet housing 100, and includes a case 201 and a cover 202.
  • the dice 300 includes a base 10 and a plurality of blades 20 connected to the base 10, and further includes a driving device 30 coupled to the base 10, and the driving device 30 drives the blade 20 to rotate to enable the blade 20 is switched between the first state and the second state, wherein: when in the first state (as shown in FIG.
  • the plurality of blades 20 are arranged in a row, and the spacing between adjacent blades 20 is preset. Distance; when in the second state (as shown in FIG. 3), the plurality of blades 20 are arranged in a row and spliced into one body.
  • the dice 300 described in this embodiment is the dice 300 involved in the above embodiment of the present invention, and details are not described herein again.
  • the pet toilet further includes a control device and a sensing device.
  • the control device may be disposed within the base 10 of the dice 300 for controlling movement of the dice 300 and lifting and falling of the dipper 20 thereof.
  • the sensing device is disposed on the inner wall of the toilet housing 100 for sensing whether the pet enters and leaves the pet toilet.
  • the control device controls the dice 300 to scoop up the feces of the pet, moves to the position of the storage box 200, pours the feces into the storage box 200, and finally controls the dice 300 to return to the original position. This allows automatic cleaning of the feces in the pet toilet.
  • the switch button of the dice 300 When the user needs to change the sand bottom in the pet toilet, the switch button of the dice 300 is pressed, so that the blade of the dice 300 is switched from the first state to the second state, and the plurality of blades 20 are combined into one complete large blade.
  • the control device then controls the dice 300 to scoop up the sand in the pet toilet and move to the position of the storage box 200, pour the sand into the storage box 200, and finally control the dice 300 to return to the original position. This automatically removes sand from the pet toilet.
  • the driving device 30 drives the blade 20 to rotate, so that the blade 20 is switched between the first state and the second state.
  • a plurality of shovel pieces 20 are arranged in a row and spliced into one body.
  • a small volume object such as sand can be shovel, thereby adding a shoveling function to the scorpion 300, and replacing the sand in the pet toilet for the user.
  • the bottom provides convenience.
  • the pet toilet of the embodiment of the invention can automatically clean the feces and automatically clean the dirty sand, and has rich functions, which greatly improves the user experience.

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Zoology (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Housing For Livestock And Birds (AREA)

Abstract

一种耙子及具有这种耙子的宠物厕所，耙子包括基体（10）和连接于基体（10）的多个铲片（20），还包括连接于基体（10）的驱动装置（30），驱动装置（30）驱动铲片（20）旋转，以使铲片（20）在第一状态和第二状态之间切换；当处于第一状态时，多个铲片（20）排布成一列，且相邻铲片（20）之间间隔预设距离；当处于第二状态时，多个铲片（20）排布成一排并拼接成一体。这种耙子在自动清理宠物粪便的基础上增加了铲沙的功能，便于更换宠物厕所内的沙底。

Description

耙子和宠物厕所 技术领域
本发明涉及宠物用品技术领域，特别是涉及到一种耙子和宠物厕所。
 背景技术
随着人们生活水平的提高，越来越多的人饲养宠物，由于宠物一直与人居住在一起，因此对宠物粪便的处理成为人们的一大难题。
为了解决上述问题，现有技术中提出一种能够自动清理宠物粪便的宠物厕所。宠物厕所内设置有耙子和收纳盒，底部铺设有沙子作为沙底，当宠物排便完毕时，耙子则会铲取粪便倒入到收纳盒中，省去了人们手动清理宠物粪便的麻烦。
耙子如图1所示，包括基体10和连接于基体10的多个铲片20，多个铲片20排布成一列，且相邻铲片20之间有间隙。由于耙子的相邻铲片20之间有间隙，因此可以铲取粪便而过滤掉沙子，防止将沙子连同粪便一起倒入收纳盒。
然而，当沙底用久后就会变脏，需要更换。由于耙子没法铲取沙子，因此需要用户利用铲子手动清除宠物厕所里的沙子，为用户带来了不便。
 技术问题
本发明的主要目的为提供一种耙子和宠物厕所，旨在为耙子增加铲沙的功能，便于更换宠物厕所内的沙底。
 技术解决方案
为达以上目的，本发明实施例提出一种耙子，包括基体和连接于所述基体的多个铲片，还包括连接于所述基体的驱动装置，所述驱动装置驱动所述铲片旋转，以使所述铲片在第一状态和第二状态之间切换，其中：当处于第一状态时，所述多个铲片排布成一列，且相邻铲片之间间隔预设距离；当处于第二状态时，所述多个铲片排布成一排并拼接成一体。
可选地，所述基体包括外壳、第一基板和第二基板，所述第一基板和所述驱动装置连接所述外壳，所述铲片的端部设置有第一转轴和第二转轴，所述第一基板上设置有第一插孔和限位孔，所述第二基板上设置有第二插孔，所述第一转轴插入所述第一插孔，所述第二转轴穿过所述限位孔并插入所述第二插孔；所述驱动装置驱动所述第二基板沿纵向移动，以使所述铲片绕所述第一转轴旋转。
可选地，所述驱动装置包括电机、齿轮和推杆，所述推杆一端连接所述齿轮，另一端连接所述第二基板，所述电机驱动所述齿轮旋转，所述齿轮带动所述推杆推动或拉动所述第二基板。
可选地，所述齿轮包括相互啮合的第一齿轮和第二齿轮，所述电机驱动所述第一齿轮，所述第二齿轮连接所述推杆。
可选地，所述第一齿轮的直径小于所述第二齿轮的直径。
可选地，所述推杆分别与所述齿轮和所述第二基板活动连接。
可选地，所述第一插孔为通孔或盲孔。
可选地，所述第二插孔为通孔或盲孔。
可选地，所述铲片两侧设置有便于与相邻的铲片拼接配合的斜边。
可选地，所述第一基板与所述第二基板活动连接。
可选地，所述第一基板与所述第二基板通过卡合结构活动连接。
可选地，所述卡合结构包括设置于所述第一基板的凹槽和设置于所述第二基板的凸块。
可选地，所述卡合结构包括设置于所述第一基板的凸块和设置于所述第二基板的凹槽。
可选地，所述卡合结构包括设置于所述第一基板的凹槽，所述第二基板容置于所述凹槽内。
本发明实施例同时提出一种宠物厕所，所述宠物厕所包括厕所外壳以及容置于所述厕所外壳内的收纳盒和耙子，所述耙子为前面所述的耙子。
 有益效果
本发明实施例所提供的一种耙子，通过增设一驱动装置，利用驱动装置驱动铲片旋转，以使铲片在第一状态和第二状态之间切换，当处于第二状态时，多个铲片排布成一排并拼接成一体，此时就可以铲取沙子等体积较小的物体，从而为耙子增加了铲沙功能。当耙子应用于宠物厕所时，则可以自动清除宠物厕所内的沙子，为用户更换宠物厕所内的沙底提供了便利。
 附图说明
图1是现有技术中耙子的结构示意图；
图2是本发明实施例的耙子在第一状态时的结构示意图；
图3是本发明实施例的耙子在第二状态时的结构示意图；
图4是本发明实施例的耙子的爆炸图；
图5是本发明实施例中耙子在第一状态时的局部结构示意图；
图6是本发明实施例中耙子在第一状态时的局部放大示意图；
图7是本发明实施例中耙子在第二状态时的局部结构示意图；
图8是本发明实施例中耙子在第二状态时的局部放大示意图；
图9是图4中的驱动装置的结构示意图；
图10是本发明实施例的宠物厕所的结构示意图。
附图中各标注的含义：
10-基体            11-第一基板
111-第一插孔       112-限位孔
12-第二基板        121-第二插孔
13-外壳            20-铲片     
21-第一转轴        22-第二转轴
30-驱动装置        31-壳体
32-齿轮            321-第一齿轮 
322-第二齿轮       33-推杆
40-滚轮            100-厕所外壳
200-收纳盒         201-盒体
202-盒盖           300-耙子
本发明目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
 本发明的最佳实施方式
应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
下面详细描述本发明的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，仅用于解释本发明，而不能解释为对本发明的限制。
本技术领域技术人员可以理解，除非特意声明，这里使用的单数形式“一”、“一个”、“所述”和“该”也可包括复数形式。应该进一步理解的是，本发明的说明书中使用的措辞“包括”是指存在所述特征、整数、步骤、操作、元件和/或组件，但是并不排除存在或添加一个或多个其他特征、整数、步骤、操作、元件、组件和/或它们的组。应该理解，当我们称元件被“连接”或“耦接”到另一元件时，它可以直接连接或耦接到其他元件，或者也可以存在中间元件。此外，这里使用的“连接”或“耦接”可以包括无线连接或无线耦接。这里使用的措辞“和/或”包括一个或更多个相关联的列出项的全部或任一单元和全部组合。
本技术领域技术人员可以理解，除非另外定义，这里使用的所有术语（包括技术术语和科学术语），具有与本发明所属领域中的普通技术人员的一般理解相同的意义。还应该理解的是，诸如通用字典中定义的那些术语，应该被理解为具有与现有技术的上下文中的意义一致的意义，并且除非像这里一样被特定定义，否则不会用理想化或过于正式的含义来解释。
本发明实施例的耙子，可以单独使用，也可以安装于宠物厕所等设备里面使用。
参照图2-图4，提出本发明的耙子一实施例，所述耙子包括基体10以及连接于基体10的多个铲片20和驱动装置30。驱动装置30可以驱动所有铲片20旋转，以使铲片20在第一状态和第二状态之间切换，其中：当处于第一状态时（如图2所示），多个铲片20排布成一列，且相邻铲片20之间间隔预设距离（耙子的宽度），此时耙子只能铲取体积大于铲片20间隔距离的物体（如宠物的粪便）；当处于第二状态时（如图3所示），多个铲片20排布成一排，且拼接成一体，相当于由多个小铲片20组合成一个大铲片，此时耙子可以铲取所有物体，包括体积很小的沙子。
例如，当耙子的铲片20处于第一状态（如图2所示），但用户需要铲取沙子时，驱动装置30则驱动所有铲片20逆时针旋转90度，切换为第二状态（如图3所示）；当用户想要铲取宠物粪便但不需要铲取沙子时，驱动装置30又驱动所有铲片20顺时针旋转90度，恢复为第一状态（如图2所示）。应当理解，铲片20顺时针和逆时针旋转的角度，除了90度外，也可以是0-90度之间的其它角度，如60-90度均可，但必须保证第二状态时多个铲片20能够排布成一排并拼接成一体。
为了保证铲片20拼接的完整性，优选在铲片20两侧设置便于与相邻的铲片20拼接配合的斜边。这样相邻的两个铲片20可以适配卡合组成一个整体，避免铲片20之间留下间隙，可以更加有效的铲取沙子等体积较小的物体。
如图3所示，本发明实施例中，基体10包括外壳13、第一基板11和第二基板12。外壳13优选呈圆柱形，当然也可以为其它形状，第一基板11和第二基板12优选容置于外壳13内。第一基板11连接外壳13，第二基板12与第一基板11活动连接，优选通过卡合结构活动连接，以使第二基板12既可以沿纵向（即长度方向）移动，又防止其横向侧移，增加稳定性。
可选地，卡合结构包括凹槽和容置于凹槽内的凸块，凹槽可以设置于第一基板11的两边，并沿第一基板11纵向（即长度方向）延伸，对应的，凸块则设置于第二基板12的两边，并沿第二基板12纵向延伸；当然也可以反过来设置，即凹槽设置于第二基板12的两边，并沿第二基板12纵向（即长度方向）延伸，对应的，凸块则设置于第一基板11的两边，并沿第一基板11纵向延伸。
可选地，卡合结构也可以只包括设置于第一基板11的凹槽，第二基板12整个容置于第一基板11的凹槽内。
卡合结构是现有技术比较常见的活动连接结构，本发明在此不再赘述。此外，当耙子单独使用时，还可以在基体10的外壳13上连接一方便用户握持的手柄。
如图6、图8所示，每个铲片20的端部均设置有第一转轴21和第二转轴22，第一基板11上对应每个铲片20的位置均设置有第一插孔111和限位孔112，第二基板12上对应每个铲片20的位置均设置有第二插孔121。第一插孔111和第二插孔121可以是盲孔，也可以是通孔。限位孔112为通孔，且呈弧形的狭长状，用于限制第二转轴22的行程和移动轨迹。每个铲片20的第一转轴21插入第一基板11的第一插孔111，每个铲片20的第二转轴22穿过第一基板11的限位孔112并插入第二基板12的第二插孔121。驱动装置30驱动第二基板12沿纵向（即长度方向）移动，带动第二转轴22沿着限位孔112移动，从限位孔112的一端移动到另一端，从而使得铲片20绕第一转轴21旋转。需要提醒的是，图6和图8中，第一基板和第二基板上的缺口，仅仅是为了方便察看内部结构而挖掉的，实际产品中无需挖出缺口。
如图5、图6所示，当铲片的第二转轴22位于限位孔112的右端时，耙子的铲片20则处于第一状态，即多个铲片20排布成一列，且相邻铲片20之间间隔预设距离。如图7、图8所示，当铲片的第二转轴22移动到限位孔112的左端时，耙子的铲片20则处于第二状态，即多个铲片20排布成一排并拼接成一体。
本领域技术人员可以理解，除了采用上述结构来使得铲片20旋转外，还可以采用现有技术中其它结构，只要能够控制铲片20旋转，使得铲片20在第一状态和第二状态之间来回切换即可，本发明对此不再一一列举赘述。
驱动装置30连接基体10的外壳13，优选容置于外壳13内，固定于外壳13的侧壁。本发明实施例中，驱动装置30如图9所示，包括壳体31、电机、齿轮32和推杆33。电机和齿轮32安装于壳体31，推杆33一端连接齿轮32，另一端连接第二基板12。电机启动后，驱动齿轮32旋转，齿轮32则带动推杆33推动或拉动第二基板12。例如，当电机驱动齿轮32正转时，齿轮32带动推杆33推动第二基板12；当电机驱动齿轮32反转时，齿轮32则带动推杆33拉动基板。
推杆33可以一端活动连接，另一端固定连接，如：推杆33一端与齿轮32活动连接，另一端与第二基板12固定连接，或者，推杆33一端与齿轮32固定连接，另一端与第二基板12活动连接。作为优选，本发明实施例中，推杆33两端分别活动连接齿轮32和第二基板12，以使推杆33推拉第二基板12时更加灵活顺畅。
进一步地，本发明实施例中，齿轮32包括第一齿轮321和第二齿轮322，优选地，第一齿轮321的直径小于第二齿轮322的直径。电机的旋转轴连接第一齿轮321，驱动第一齿轮321旋转。第二齿轮322连接推杆33，带动推杆33推拉第二基板12。通过设置两级齿轮32，一方面增加了驱动装置30的传动力，另一方面起到了减速作用。
本领域技术人员可以理解，驱动装置30除了采用上述结构外，还可以采用现有技术中的其它结构。例如，可以将上述齿轮32结构替换为凸轮机构，将旋转运动转换为直线运动；也可以利用气缸来推拉第二基板12，等等。本发明对此不再一一列举赘述。
进一步地，如图4所示，耙子的基体10的两端还设置有滚轮40，当耙子安装于宠物厕所内时，滚轮40可以在宠物厕所内壁两侧的轨道上滚动，从而使得耙子可以在宠物厕内移动。
本发明实施例中，可以通过一切换开关来控制驱动装置30启动和关闭，如在耙子的基体10内部设置一切换开关，切换开关包括一露出基体10表面的切换按钮。当用户按压切换按钮时，就能控制铲片20在第一状态和第二状态之间切换，从而控制耙子在铲大物体（如粪便）和铲小物体（如沙子）两个功能之间切换。
本发明实施例的耙子，通过增设一驱动装置30，利用驱动装置30驱动铲片20旋转，以使铲片20在第一状态和第二状态之间切换，当处于第二状态时，多个铲片20排布成一排并拼接成一体，此时就可以铲取沙子等体积较小的物体，从而为耙子增加了铲沙功能。当耙子应用于宠物厕所时，则可以自动清除宠物厕所内的沙子，为用户更换宠物厕所内的沙底提供了便利。
如图10所示，提出本发明的宠物厕所一实施例。宠物厕所包括厕所外壳100以及容置于厕所外壳100内的收纳盒200和耙子300。收纳盒200设置于厕所外壳100内的一端，包括盒体201和盒盖202。如图2-图4所示，耙子300包括基体10和连接于基体10的多个铲片20，还包括连接于基体10的驱动装置30，驱动装置30驱动铲片20旋转，以使铲片20在第一状态和第二状态之间切换，其中：当处于第一状态时（如图2所示），多个铲片20排布成一列，且相邻铲片20之间间隔预设距离；当处于第二状态时（如图3所示），多个铲片20排布成一排并拼接成一体。本实施例中所描述的耙子300为本发明中上述实施例所涉及的耙子300，在此不再赘述。
进一步地，宠物厕所还包括控制装置和传感装置。控制装置可以设置于耙子300的基体10内，用于控制耙子300移动以及其铲片20扬起和落下。传感装置设置于厕所外壳100内壁，用于感应宠物是否进入和离开宠物厕所。当宠物离开宠物厕所时，控制装置则控制耙子300铲取宠物的粪便，并移动到收纳盒200的位置，将粪便倒入收纳盒200内，最后控制耙子300回到原位。从而实现自动清理宠物厕所内的粪便。
当用户需要更换宠物厕所内的沙底时，则按压耙子300的切换按钮，使得耙子300的铲片从第一状态切换为第二状态，多个铲片20组合成一个完整的大铲片。然后控制装置控制耙子300铲取宠物厕所内的沙子，并移动到收纳盒200的位置，将沙子倒入收纳盒200内，最后控制耙子300回到原位。从而实现自动清除宠物厕所内的沙子。
本发明实施例的宠物厕所，通过为其中的耙子300增设一驱动装置30，利用驱动装置30驱动铲片20旋转，以使铲片20在第一状态和第二状态之间切换，当处于第二状态时，多个铲片20排布成一排并拼接成一体，此时就可以铲取沙子等体积较小的物体，从而为耙子300增加了铲沙功能，为用户更换宠物厕所内的沙底提供了便利。本发明实施例的宠物厕所既可以自动清理粪便，又可以自动清理脏沙，功能丰富，极大的提升了用户体验。
以上所述仅为本发明的优选实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (15)

  1. 一种耙子，包括基体（10）和连接于所述基体（10）的多个铲片（20），还包括连接于所述基体（10）的驱动装置（30），所述驱动装置（30）驱动所述铲片（20）旋转，以使所述铲片（20）在第一状态和第二状态之间切换，其中：当处于第一状态时，所述多个铲片（20）排布成一列，且相邻铲片（20）之间间隔预设距离；当处于第二状态时，所述多个铲片（20）排布成一排并拼接成一体。
  2. 根据权利要求1所述的耙子，其中，所述基体（10）包括外壳（13）、第一基板（11）和第二基板（12），所述第一基板（11）和所述驱动装置（30）连接所述外壳（13），所述铲片（20）的端部设置有第一转轴（21）和第二转轴（22），所述第一基板（11）上设置有第一插孔（111）和限位孔（112），所述第二基板（12）上设置有第二插孔（121），所述第一转轴（21）插入所述第一插孔（111），所述第二转轴（22）穿过所述限位孔（112）并插入所述第二插孔（121）；所述驱动装置（30）驱动所述第二基板（12）沿纵向移动，以使所述铲片（20）绕所述第一转轴（21）旋转。
  3. 根据权利要求2所述的耙子，其中，所述驱动装置包括电机、齿轮（32）和推杆（33），所述推杆（33）一端连接所述齿轮（32），另一端连接所述第二基板（12），所述电机驱动所述齿轮（32）旋转，所述齿轮（32）带动所述推杆（33）推动或拉动所述第二基板（12）。
  4. 根据权利要求3所述的耙子，其中，所述齿轮（32）包括相互啮合的第一齿轮（321）和第二齿轮（322），所述电机驱动所述第一齿轮（321），所述第二齿轮（322）连接所述推杆（33）。
  5. 根据权利要求4所述的耙子，其中，所述第一齿轮（321）的直径小于所述第二齿轮（322）的直径。
  6. 根据权利要求2所述的耙子，其中，所述推杆（33）分别与所述齿轮（32）和所述第二基板（12）活动连接。
  7. 根据权利要求2所述的耙子，其中，所述第一插孔（111）为通孔或盲孔。
  8. 根据权利要求2所述的耙子，其中，所述第二插孔（121）为通孔或盲孔。
  9. 根据权利要求1所述的耙子，其中，所述铲片（20）两侧设置有便于与相邻的铲片（20）拼接配合的斜边。
  10. 根据权利要求2所述的耙子，其中，所述第一基板（11）与所述第二基板（12）活动连接。
  11. 根据权利要求10所述的耙子，其中，所述第一基板（11）与所述第二基板（12）通过卡合结构活动连接。
  12. 根据权利要求11所述的耙子，其中，所述卡合结构包括设置于所述第一基板（11）的凹槽和设置于所述第二基板（12）的凸块。
  13. 根据权利要求11所述的耙子，其中，所述卡合结构包括设置于所述第一基板（11）的凸块和设置于所述第二基板（12）的凹槽。
  14. 根据权利要求11所述的耙子，其中，所述卡合结构包括设置于所述第一基板（11）的凹槽，所述第二基板（12）容置于所述凹槽内。
  15. 一种宠物厕所，包括厕所外壳（100）以及容置于所述厕所外壳（100）内的收纳盒（200）和耙子（300），其中，所述耙子（300）为权利要求1所述的耙（300）。
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