WO2018187883A1 - 一种挤压平板拖把的挤压机构 - Google Patents

一种挤压平板拖把的挤压机构 Download PDF

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Publication number
WO2018187883A1
WO2018187883A1 PCT/CN2017/000758 CN2017000758W WO2018187883A1 WO 2018187883 A1 WO2018187883 A1 WO 2018187883A1 CN 2017000758 W CN2017000758 W CN 2017000758W WO 2018187883 A1 WO2018187883 A1 WO 2018187883A1
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Prior art keywords
squeegee
opening
pressing mechanism
water squeezing
squeezing frame
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PCT/CN2017/000758
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English (en)
French (fr)
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黄智勇
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黄智勇
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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
    • A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
    • A47L13/20—Mops
    • A47L13/24—Frames for mops; Mop heads
    • A47L13/254—Plate frames
    • 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
    • A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
    • A47L13/42—Details
    • 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
    • A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
    • A47L13/50—Auxiliary implements
    • A47L13/58—Wringers for scouring pads, mops, or the like, combined with buckets

Definitions

  • the present invention relates to the technical field of cleaning tools, and more particularly to a pressing mechanism for pressing a flat mop.
  • the pressing mechanism for pressing the flat mop is a core mechanism of the pressing flat mop, and the basic structure is: comprising an pressing body, the pressing body is provided with an opening, and the opening is provided with at least one piece arranged along the length direction of the opening An extruder to form an extrusion port between the extruder and the opening.
  • the extruder there are four ways of constructing the extruder:
  • the installation method of the first type of extruder is as described in Chinese Patent No. CN202553837U (Patent No. 201220160635.4) and CN203074606U (Patent No. 201320019718.6), which adopts a roller method, which not only has a limited effect on the drying of the wiper on the flat mop half. And the roller only rotates around its own central axis, and the width of the extrusion port cannot be changed, so the flat mop plate cannot adjust the tightness of the extrusion when the water is squeezed. When the water is squeezed, it is always in a state of being pressed against the wipe, which is very laborious and causes great wear on the wipe.
  • this kind of structure can not cause one-way watering when squeezing water: for the push-type self-squeezing water mop, the water that is squeezed out when the pressing mechanism is pulled back will be sprayed to the operator; For the bucket mop mounted on the mop bucket, the mop will squeeze water when it is pushed and pulled, causing the water to splash around, and the mop bucket will be picked up due to the large friction force when the mop is pulled up.
  • the above-mentioned institutions are complicated to manufacture and costly.
  • the second type is the installation method of the extruder, as described in Chinese Patent No. CN202446023U (Patent No. 201220033558.6), the extruder adopts a scraper, and the scraper is fixed in the opening, and the structure can not change the width of the extrusion port. Therefore, when the flat mop plate is squeezed with water, the tightness of the squeezed water cannot be adjusted, and when the water is squeezed, the pressing state of the wiper is always at a time, the operation is very laborious, and the wipe is extremely worn.
  • this kind of structure can not cause one-way watering when squeezing water: for the push-type self-squeezing water mop, the water that is squeezed out when the pressing mechanism is pulled back will be sprayed to the operator; For the bucket mop mounted on the mop bucket, the mop will squeeze water when it is pushed and pulled, causing the water to splash around, and the mop bucket will be picked up due to the large friction force when the mop is pulled up.
  • the above-mentioned institutions are complicated to manufacture and costly.
  • the installation method of the third type of extruder is as described in Chinese Patent No. CN204146976U (Patent No. 201420624190.X), and a spring is arranged between the extruder and the side of the longitudinal direction of the opening, so that the tightness of the squeezed water can be adjusted.
  • a spring is arranged between the extruder and the side of the longitudinal direction of the opening, so that the tightness of the squeezed water can be adjusted.
  • the connection between the extruder and the opening is too loose by the connection of the spring, so the water squeezing effect is greatly affected, and the squeezer is liable to generate unstable sway during the squeezing process.
  • this kind of structure can not cause one-way watering when squeezing water; for the push-type self-squeezing water mop, the water that is squeezed out when the pressing mechanism is pulled back will be sprayed to the operator; For the bucket mop mounted on the mop bucket, the mop will squeeze water when it is pushed and pulled, causing the water to splash around, and the mop bucket will be picked up due to the large friction force when the mop is pulled up.
  • the above-mentioned institutions are complicated to manufacture and costly.
  • the installation method of the fourth type of extruder is as described in Chinese Patent No. CN205433591 U (Patent No. 201521127257.X), which has inclined guide grooves at both ends of the opening, and sliders are arranged at both ends of the extruder, and the slider is provided.
  • the sliding block slides in the inclined guiding groove, thereby changing the width of the pressing opening, thereby Adjust the tightness of the squeezed water.
  • the disadvantage is that the sliding friction between the inclined guide groove and the slider is large, so in actual use, the movement of the extruder is very sturdy, and the smoothness is very poor; the extrusion often occurs during actual use.
  • the present invention provides a pressing mechanism for an extruded flat mop which can adjust the size of the opening of the extrusion opening.
  • a pressing mechanism for pressing a flat mop comprising a water squeezing frame, wherein the squeezing water frame is provided with an opening, and the opening is provided with a first rotatable a squeegee, the first squeegee forming an squeezing opening between the opposite edges of the opening, or forming an squeezing opening between the opposite edges of the second squeegee disposed oppositely in the opening, wherein:
  • the first squeegee can adjust the width of the extrusion opening during the rotation
  • the water squeezing frame is provided with a limiting device for limiting the rotation angle of the squeegee.
  • the squeegee is rotatably coupled in the opening.
  • both ends of the squeegee are provided with rotating pins, and the two rotating pins are respectively inserted into the end faces of the opening; or the squeezing frame is provided with a convex shaft, and the protruding shafts are respectively inserted into the Said the two ends of the scraper.
  • the water squeezing frame is provided with a pivoting seat, and the side of the squeegee is pivotally connected to the pivoting seat.
  • the water squeezing frame is provided with a card holder, the card holder is provided with a bayonet, the squeegee is provided with a card shaft, and the card shaft is inserted into the bayonet of the card holder. Turn back.
  • the limiting device is a limiting seat, and the limiting seat is provided with a limiting recess, wherein the scraping plate is located in the limiting recess, and the scraping plate is in rotation
  • the limit seat reaches the limit when touched.
  • the limiting device is a limiting groove provided at both ends of the opening, and two ends of the squeegee are inserted into the limiting groove.
  • the water squeezing frame is provided with a blocking portion that forms a barrier to the squeegee, and the blocking portion forms the limiting device.
  • the water squeezing frame is provided with oblique grooves corresponding to the two ends of the squeegee, the two ends of the squeegee are inserted into the inclined grooves, and the squeegee and the inclined groove are Between the slots, there is an active space along the thickness direction of the squeegee, and the squeegee can adjust the width of the squeezing opening during the movement;
  • the two ends of the squeegee are provided with oblique grooves
  • the water squeezing frame is provided with a slab corresponding to the two oblique grooves
  • the insertion plate is inserted into the oblique groove
  • the The inserting plate and the inclined groove have an active space along the thickness direction of the squeegee, and the squeegee can adjust the width of the squeezing opening during the movement.
  • the invention has the beneficial effects that the squeegee and the water squeezing frame are movably connected to make the squeegee rotatable, and the squeegee can adjust the width of the squeezing opening during the rotating process, and the squeegee The friction of the rotation is small, and the opening size of the extrusion port is freely controlled;
  • the wiper drives the squeegee to rotate upward, so that the squeezing opening becomes larger, and the squeezing force exerted by the squeegee on the wiping material becomes smaller, thereby making the operation of pulling up the flat mop head easier. And the phenomenon that the mop bucket is lifted when lifting the flat mop up is eliminated, and the use experience is very comfortable.
  • Figure 1 is a schematic view showing the structure of a single-sided water squeezing mop using the first embodiment of the squeezing mechanism of the present invention.
  • Figure 2 is a schematic view showing the structure of the first embodiment of the pressing mechanism of the present invention shown in Figure 1.
  • Fig. 3 is a schematic view showing the structure of the squeegee and the water squeezing frame after the partial water squeezing frame is omitted in Fig. 2.
  • Figure 4 is a schematic view showing the structure of the squeegee of the first embodiment and the second embodiment of the squeezing mechanism of the present invention.
  • Figure 5 is a schematic view showing the structure of a double-sided water squeezing mop using the second embodiment of the squeezing mechanism of the present invention.
  • Figure 6 is a schematic view showing the structure of the second embodiment of the pressing mechanism of the present invention in Figure 5.
  • Fig. 7 is a schematic view showing the structure of the squeegee and the water squeezing frame after the partial water squeezing frame is omitted in Fig. 6.
  • Figure 8 is a schematic view showing the structure of a pressing plate cleaning tool using the third embodiment of the pressing mechanism of the present invention.
  • FIG. 9 is a schematic structural view of the mop bucket of FIG. 8 in the case of a single bucket, in which case only one embodiment of the extrusion mechanism of the present invention needs to be provided.
  • Figure 10 is a schematic view showing the structure of the third embodiment of the pressing mechanism of the present invention.
  • Figure 11 is a schematic view showing the structure in which a pressing mechanism is omitted and viewed from the back in Figure 10, showing the connection structure of the squeegee and the water squeezing frame.
  • Figure 12 is a cross-sectional view taken along line A-A of Figure 11;
  • Figure 13 is a schematic view showing the structure of the third embodiment of the pressing mechanism of the present invention (the blade has a rotating shaft).
  • Fig. 14 is an exploded perspective view of Fig. 13;
  • Figure 15 is a schematic view showing the structure of the fourth embodiment of the pressing mechanism of the present invention (the water squeezing frame is provided with a convex shaft).
  • Fig. 16 is an exploded perspective view of Fig. 15;
  • Figure 17 is a schematic view showing the structure of the fifth embodiment of the pressing mechanism of the present invention (the water squeezing frame is provided with a pivoting seat).
  • Fig. 18 is an exploded perspective view of Fig. 17;
  • Figure 19 is a schematic view showing the structure of the sixth embodiment of the pressing mechanism of the present invention (the water squeezing frame is provided with a card holder).
  • Figure 20 is an exploded perspective view of Figure 19.
  • Figure 21 is a schematic view showing the structure of the seventh embodiment of the pressing mechanism of the present invention (the blade has a rotating shaft).
  • Fig. 22 is an exploded perspective view of Fig. 21;
  • Figure 23 is a schematic view showing the structure of the eighth embodiment of the pressing mechanism of the present invention (the water squeezing frame is provided with a convex shaft).
  • Figure 24 is an exploded perspective view of Figure 23 .
  • Figure 25 is a schematic view showing the structure of a ninth embodiment of the pressing mechanism of the present invention.
  • Figure 26 is an exploded perspective view of Figure 25.
  • a single-sided horizontal plate mop for applying the first embodiment of the pressing mechanism of the present invention the single-sided horizontal plate mop includes a mop bar 1, and is disposed on the mop bar 1.
  • a wiper (not shown) is provided on one side of the flat mop board 3.
  • the pressing mechanism 4 of the present embodiment includes a water squeezing frame 5 having an opening, a squeegee 6 disposed in the opening, and a stopper provided on the water squeezing frame 5 between the opposite edges of the squeegee 6 and the opening Forming an extrusion port 7, the squeegee 6 being rotatably disposed in the opening relative to the water squeezing frame 5, the squeegee 6 changing the width of the squeezing opening 7 during the rotation, thereby The opening width of the pressing opening 7 is adjusted, and the limiting device is used to limit the angle of rotation of the blade 6.
  • the specific working process when the wiping material needs to be squeezed, the flat mop plate 3 is rotated and aligned with the pressing port 7 of the pressing mechanism, and then the flat mop plate 3 is inserted into the pressing opening 7, the flat mop plate 3 and the pressing
  • the relative movement between the mechanisms 4 is to squeeze the water.
  • the specific operation method is to hold the mop lever 1 in one hand, hold the squeeze handle 2 in one hand, and then slide the sailor 2 up and down to drive the pressing mechanism 4 to slide up and down;
  • the double-sided horizontal plate mop includes a mop bar 1, and a squeezer provided on the mop bar 1
  • the flat mop plate 3 is provided with a wipe on both sides (not shown).
  • the pressing mechanism 4 of the embodiment includes a water squeezing frame 5 with an opening, two squeegees 6 disposed in the opening, and a limiting device disposed on the water squeezing frame 5.
  • the two squeegees 6 are oppositely disposed, two A pressing opening 7 is formed between the opposite edges of the strip scraper 6, and each scraping plate 6 is rotatably disposed in the opening relative to the water squeezing frame 5, and each scraping plate 6 can be changed during the rotating process.
  • the width of the pressure port 7 is adjusted to adjust the opening width of the pressing opening 7, and the limiting means is for limiting the rotation angle of each of the squeegees 6.
  • the specific working process when the wiping material needs to be squeezed, the flat mop plate 3 is rotated and aligned with the pressing port 7 of the pressing mechanism, and then the flat mop plate 3 is inserted into the pressing opening 7, the flat mop plate 3 and the pressing
  • the relative movement between the mechanisms 4 is to squeeze the water.
  • the specific operation method is to hold the mop lever 1 in one hand, hold the squeeze handle 2 in one hand, and then slide the sailor 2 up and down to drive the pressing mechanism 4 to slide up and down;
  • a squeezed flat cleaning tool with a bucket for applying the third embodiment of the pressing mechanism of the present invention the cleaning tool includes a mop bucket 10 and is disposed on the mop bucket 10 .
  • Two extrusion mechanisms and mops of the present invention Two extrusion mechanisms and mops of the present invention.
  • the mop includes a mop bar 1, a flat mop plate 3 movably connected to the lower end of the mop bar 1, and one side of the flat mop plate 3 is provided with a wipe (not shown).
  • the pressing mechanism of the present embodiment includes a water squeezing frame 5 having an opening, a squeegee 6 disposed in the opening, and a limiting device disposed on the water squeezing frame 5 between the opposite edges of the squeegee 6 and the opening Forming an extrusion port 7, the squeegee 6 being rotatably disposed in the opening relative to the water squeezing frame 5, the squeegee 6 changing the width of the squeezing opening 7 during the rotation, thereby The opening width of the pressing opening 7 is adjusted, and the limiting device is used to limit the angle of rotation of the blade 6.
  • the wiper can be disposed on both sides of the flat mop plate, and two squeegees are disposed on the squeezing frame, and an extrusion port is formed between the two squeegees.
  • the wiper can be disposed on both sides of the flat mop plate, and two squeegees are disposed on the squeezing frame, and an extrusion port is formed between the two squeegees.
  • the wiper can be disposed on both sides of the flat mop plate, and two squeegees are disposed on the squeezing frame, and an extrusion port is formed between the two squeegees.
  • the hydraulic squeezing frame 5 is provided with a convex shaft 15, and the scraping is performed.
  • the two ends of the board are provided with jacks 16, and the male shafts 15 are respectively inserted into the jacks 16 at both ends of the squeegee.
  • connection between the squeegee 6 and the water squeezing frame 5 can also adopt other structural forms, as long as the movable connection between the squeegee 8 and the water squeezing frame 5 is achieved, so that the squeegee 6 can be rotated, the squeegee 6
  • the effect of the width of the extrusion port 7 can be adjusted during the rotation.
  • the water squeezing frame 5 is provided with a pivoting seat 17, and the side of the squeegee 6 is pivotally connected to the pivoting seat 17. .
  • the water squeezing frame 5 is provided with a card holder 18, and the card holder 18 is provided with a bayonet 19, and the squeegee 6 is provided with a card.
  • the shaft 20, the card shaft 20 is inserted into the bayonet 19 of the card holder and then rotated.
  • a limiting device for limiting the rotation angle of the squeegee 6 is disposed on the water squeezing frame 5, and the specific structure is as shown in FIGS. 13, 14, 15, 16, 17, 18, 19, and 20 Embodiments of the mechanism, in the four embodiments, the limiting device is a row of limiting seats 21, and the limiting seat 21 can be directly disposed on the water squeezing frame 5, or can be disposed on the pivoting seat 17, the limiting seat A finite recess 9 is formed, and the squeegee is located in the limiting recess 9 , and the squeegee 6 reaches the limit when it touches the limiting seat 21 during the rotation.
  • the limiting device can also adopt other structural forms, such as the seventh embodiment of the pressing mechanism shown in FIG. 22, the limiting block 23 protruding outward is disposed at both ends of the scraping plate 6, and the limiting port is disposed at both ends of the opening. 24, the limit block 23 is inserted into the limit port 24, the limit block 23 is moved in the limit port 24, and the limit range of the limit block 23 is limited by the limit port 24, thereby achieving the range of rotation of the scraper 6. limit.
  • the limiting device is a limiting groove 25 disposed at both ends of the opening, and the two ends of the squeegee 6 are inserted into the limiting groove 25, and the limiting limit is The groove 25 is used to limit the range of rotation of the squeegee 6.
  • the limiting device may further be provided with a blocking portion on the water squeezing frame for blocking the squeegee, the blocking portion forming the limiting device, when the squeegee touches the blocking portion Reach the limit on the scraper.
  • the movable connecting structure between the squeegee 6 and the water squeezing frame 5 naturally forms a limit device, specifically: the water squeezing frame 5 is provided An oblique groove 22 corresponding to the two ends of the squeegee 6, the two ends of the squeegee 6 are inserted into the oblique groove 22, and the squeegee 6 and the inclined groove 22 have an active space along the thickness direction of the squeegee.
  • the contact between the wiper and the squeegee 6 drives the squeegee 6 to flip in the oblique groove 22, so that the squeegee 6 has a certain rotation angle, and the opening size of the pressing opening 7 is adjusted. Effect. Moreover, due to the limitation of the inclined groove 22, the squeegee 6 can only move to a certain extent, thereby achieving the limit effect.
  • the two ends of the squeegee are provided with oblique grooves
  • the water squeezing frame is provided with a slab corresponding to the two oblique grooves
  • the insertion plate is inserted into the oblique groove
  • the flat mop plate is moved, and the contact between the wiping object and the squeegee drives the squeegee to flip, so that the squeegee has a certain rotation angle.
  • the effect of adjusting the size of the opening of the extrusion port is achieved.
  • the scraping plate can only move to a certain extent, thereby achieving the limit effect.
  • the wiping object is in contact with the squeegee 6, and the squeegee 6 in the pressing mechanism is driven by the wiper to rotate upward, so that the pressing opening 7 is widened and reaches At the limit position, the opening of the pressing opening is kept large, and at this time, the friction between the squeegee 6 and the wiping material is reduced, thereby reducing the wear of the wiping material, and at the same time, the mop bucket is not smashed when the mop is lifted up. stand up.
  • the mop bucket can be a single barrel, i.e., has only one volume, as shown in Figure 9, which is achieved by squeezing or cleaning the flat mop into the extrusion mechanism of the present invention.
  • the mop bucket may also be a double bucket, as shown in Fig. 8, that is, the mop bucket has a separate washing zone 12 and a separate water squeezing zone 11, and the squeezing mechanism 4 of the present invention is installed in the washing zone 12 and the squeezing zone 11, respectively.
  • the flat mop plate 3 can be inserted into the squeezing mechanism 4 of the present invention to move up and down to wash or squeeze water.

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  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)

Abstract

一种挤压平板拖把的挤压机构(4)，其包括设有开口的挤水架(5)、开口中设有能转动的第一刮板(6)，第一刮板(6)与开口的相对边沿之间形成挤压口(7)，或者与相对地设置在开口中的第二刮板(6)的相对边沿之间形成挤压口(7)，第一刮板(6)在转动的过程中可调节挤压口(7)的宽度大小，并且挤水架(5)上设有限制刮板(6)转动角度的限位装置。刮板(6)与挤水架(5)之间活动连接从而使刮板(6)可转动，该刮板(6)在转动的过程中可调节挤压口(7)的宽度大小，刮板(6)转动的摩擦力小、挤压口(7)的开口大小控制自如。

Description

一种挤压平板拖把的挤压机构 技术领域
本发明涉及清洁工具的技术领域，尤其涉及一种挤压平板拖把的挤压机构。
背景技术
挤压平板拖把的挤压机构是挤压平板拖把中的一个核心机构，其基本结构为：包括挤压体，挤压体上开设有开口，开口中设有至少一条沿该开口长度方向布置的挤压器，从而在挤压器和开口之间形成挤压口。在现有技术中，挤压器的结构方式有四种：
第一种挤压器的安装方式如中国专利CN202553837U(专利号为201220160635.4)、CN203074606U(专利号为201320019718.6)所述，其采用滚筒的方式，不但对平板拖把半上的擦拭物的挤干效果有限，而且滚筒只绕自身中心轴旋转，无法改变挤压口宽度，因此平板拖把板在挤水时，无法调节挤压的松紧度。挤水时时刻处于对擦拭物的压紧状态，操作非常费力、且会对擦拭物形成极大的磨损。另外，该种结构导致挤水时无法单向捋水：对于手推式的自挤水拖把来说，在将挤压机构回拉时挤出的水会喷向操作者；对于将挤压机构安装在拖把桶上的桶式拖把来说，拖把推拉时都会挤水，导致水会四处飞溅，且拖把向上拉时由于较大的摩擦力，会将拖把桶拎起。同时上述机构制造复杂、成本过高。
第二种是挤压器的安装方式如中国专利CN202446023U(专利号为201220033558.6)所述，其挤压器采用刮条，且刮条固定在开口中，该种结构同样无法改变挤压口宽度，因此平板拖把板在挤水时，无法调节挤水的松紧度，挤水时时刻处于对擦拭物的压紧状态，操作非常费力、且会对擦拭物形成极大的磨损。另外，该种结构导致挤水时无法单向捋水：对于手推式的自挤水拖把来说，在将挤压机构回拉时挤出的水会喷向操作者；对于将挤压机构安装在拖把桶上的桶式拖把来说，拖把推拉时都会挤水，导致水会四处飞溅，且拖把向上拉时由于较大的摩擦力，会将拖把桶拎起。同时上述机构制造复杂、成本过高。
第三种挤压器的安装方式如中国专利CN204146976U(专利号为201420624190.X)所述，其挤压器与开口的长度方向的侧边之间设有弹簧，从而可调节挤水的松紧度，但是采用弹簧的连接方式使得挤压器与开口之间的连接过于松散，因此挤水效果受到很大影响，且在挤水过程中挤压器极易产生不稳定的晃动。另外，该种结构导致挤水时无法单向捋水；对于手推式的自挤水拖把来说，在将挤压机构回拉时挤出的水会喷向操作者；对于将挤压机构安装在拖把桶上的桶式拖把来说，拖把推拉时都会挤水，导致水会四处飞溅，且拖把向上拉时由于较大的摩擦力，会将拖把桶拎起。同时上述机构制造复杂、 成本过高。
第四种挤压器的安装方式如中国专利CN205433591 U(专利号为201521127257.X)所述，其在开口的两端设斜导槽，挤压器的两端设有滑块，滑块设于斜导槽中，当插入挤压口的平板拖把板与挤压机构之间产生相会运动时，使得滑块在斜导槽中滑动，从而使挤压口的宽度大小发生改变，因而可调节挤水的松紧度。其还存在的缺点在于：采用斜导槽与滑块的滑动配合摩擦力较大，因此在实际使用是挤压器的移动十分生涩，顺畅度很差；其在实际使用过程中经常出现挤压口无法挤水的状态，也就在无法实现挤水的稳定，同时该种设计采用用于加大摩擦力的凸点进行挤水，会对擦拭物产生极大的磨损。同时上述机构制造复杂、成本过高。
发明内容
为了克服现有挤压平板拖把的挤压机构的上述不足，本发明提供一种可调节挤压口开口大小的挤压平板拖把的挤压机构。
本发明解决其技术问题的技术方案是：一种挤压平板拖把的挤压机构，包括挤水架，所述的挤水架上开设有开口，所述的开口中设有能转动的第一刮板，所述的第一刮板与开口的相对边沿之间形成挤压口、或者与相对地设置在开口中的第二刮板的相对边沿之间形成挤压口，其特征在于：
所述的第一刮板在转动的过程中可调节挤压口的宽度大小；
并且，所述的挤水架上设有限制所述刮板转动角度的限位装置。
进一步，所述的刮板转动连接在所述的开口中。
进一步，所述刮板的两头均设有转动销，两转动销分别插入所述开口的两端面中；或者，所述的挤水架上设有凸轴，所述的凸轴分别插入到所述刮板的两头。
或者，所述的挤水架上设有枢接座，所述刮板的侧边枢接在所述的枢接座上。
或者，所述的所述挤水架上设有卡座，该卡座上设有卡口，所述的刮板上设有卡轴，所述的卡轴卡入所述卡座的卡口内后转动。
进一步，所述的限位装置为限位座，所述的限位座上设有限位凹口，所述的刮板位于所述的限位凹口中，所述的刮板在转动过程中与所述的限位座触碰时达到限位。
或者，所述的限位装置为设于所述开口两头的限位凹槽，所述刮板的两头插入所述的限位凹槽中。
或者，所述的挤水架上设有对所述的刮板形成阻挡的阻挡部分，所述的阻挡部分形成所述的限位装置。
进一步，所述的挤水架上设有与所述刮板两头对应的斜凹槽，所述刮板的两头插入所述的斜凹槽中，且所述的刮板与所述的斜凹槽之间具有沿刮板厚度方向的活动空间，该刮板在活动过程中可调节所述挤压口的宽度大小；
或者，所述刮板的两头设有斜凹槽，所述的挤水架上设有与两斜凹槽对应的插板，所述的插板插入所述的斜凹槽中，且所述的插板与所述的斜凹槽之间具有沿刮板厚度方向的活动空间，所述的刮板在活动过程中可调节所述挤压口的宽度大小。
与现有技术相比，本发明的有益效果在于：刮板与挤水架之间活动连接从而使刮板可转动，该刮板在转动的过程中可调节挤压口的宽度大小，刮板转动的摩擦力小、挤压口的开口大小控制自如；
在实际使用过程中，需要清洗平板拖把头上的擦拭物或对擦拭物进行挤水时，将平板拖把头插入到挤压口内并下压平板拖把头，所述的刮板相对于挤水架处于限位状态，从而使挤压口相对较小，使得平板拖把头下压时刮板对擦拭物产生较大的、合适的挤压力和摩擦力，对擦拭物的挤水操作出水率高，能达到最佳的挤水效果，同时，由于刮板对擦拭物的摩擦力较大，能达到对擦拭物最佳的清洗效果；
上拉平板拖把头时，擦拭物带动刮板向上转动，从而使挤压口变大，刮板对擦拭物所施加的挤压力变小，从而使上拉平板拖把头的操作变得更加轻松，并且杜绝了向上提起平板拖把时拖把桶被提起的现象，使用体验非常舒适。
附图说明
图1是采用有本发明挤压机构实施例一的单面挤水拖把的结构示意图。
图2是图1中本发明挤压机构实施例一的结构示意图。
图3是图2中省去部分挤水架后的结构示意图，示出了刮板与挤水架的连接结构。
图4是本发明挤压机构实施例一和实施例二中刮板的结构示意图。
图5是采用有本发明挤压机构实施例二的双面挤水拖把的结构示意图。
图6是图5中本发明挤压机构实施例二的结构示意图。
图7是图6中省去部分挤水架后的结构示意图，示出了刮板与挤水架的连接结构。
图8是采用有本发明挤压机构实施例三的挤压平板清洁工具的结构示意图。
图9是图8中的拖把桶为单桶情况下的结构示意图，此时仅需设置一个本发明的挤压机构实施例三。
图10是本发明挤压机构实施例三(两个)的结构示意图。
图11是图10中省去一个挤压机构、且从背面看的结构示意图，示出了刮板与挤水架的连接结构。
图12是图11中A-A向剖视图。
图13是本发明挤压机构实施例三的结构示意图(刮板具有转动轴)。
图14是图13的立体分解图。
图15是本发明挤压机构实施例四的结构示意图(挤水架设置有凸轴)。
图16是图15的立体分解图。
图17是本发明挤压机构实施例五的结构示意图(挤水架设置有枢接座)。
图18是图17的立体分解图。
图19是本发明挤压机构实施例六的结构示意图(挤水架设置有卡座)。
图20是图19的立体分解图。
图21是本发明挤压机构实施例七的结构示意图(刮板具有转动轴)。
图22是图21的立体分解图。
图23是本发明挤压机构实施例八的结构示意图(挤水架设置有凸轴)。
图24是图23的立体分解图。
图25是本发明挤压机构实施例九的结构示意图。
图26是图25的立体分解图。
具体实施方式
下面结合附图和具体实施方式对本发明作进一步详细说明。
实施例一
如图1-图4所示，为应用有本发明挤压机构的实施例一的一种单面挤水平板拖把，该单面挤水平板拖把包括拖把杆1、设置在拖把杆1上的挤水手把2、活动连接在拖把杆1的下端的平板拖把板3和设置在挤水手把2下端的挤压机构4。
其中，平板拖把板3的一面上设有擦拭物(图中未示出)。
本实施例的挤压机构4包括开设有开口的挤水架5、设置在开口中的刮板6和设置在挤水架5上的限位装置，在刮板6和开口的相对边沿之间形成挤压口7，所述的刮板6能相对挤水架5转动地设置在所述的开口中，该刮板6在转动的过程中，可改变挤压口7的宽度大小，从而对挤压口7的开口宽度大小进行调节，而所述限位装置用于限制刮板6的转动角度。
图4、图11-图26示出了七种不同的挤压机构4，其不同点在于刮板6与挤水架5之间的连接结构和限位装置。具体参见下方“实施例三”中对这七种不同挤压机构的描述。需要说明的是，本实施例一中的挤水架5与挤水手把2相连，且形状和尺寸需与本实施例中的拖把杆1及平板拖把板3相适配。
具体工作过程：需要对擦拭物进行挤水时，平板拖把板3转动后对准挤压机构的挤压口7，然后平板拖把板3进入到挤压口7中，平板拖把板3与挤压机构4之间相对移动进行挤水，具体操作方法是一手握住拖把杆1，一手握住挤水手把2，然后挤水手把2上下滑动带动挤压机构4上下来回滑动；
当挤压机构4相对平板拖把板3向上滑动时，擦拭物与刮板6之间接触，向上滑动的挤压机构4中的刮板6向下转动，从而使得挤压口7变宽并达到限位处，保持挤压口 开口较大，刮板6与擦拭物之间的摩擦力减小，从而减小擦拭物的磨损；
当挤压机构4相对平板拖把板3向下滑动时，擦拭物与刮板6之间接触，向下滑动的挤压机构中的刮板6向上转动，从而使得挤压口7变窄并达到限位处，保持挤压口7开口较小，利于将擦拭物挤干。
实施例二
如图4～图7，为应用有本发明挤压机构的实施例二的一种双面挤水平板拖把，该双面挤水平板拖把包括拖把杆1、设置在拖把杆1上的挤水手把2、活动连接在拖把杆1的下端的平板拖把板3和设置在挤水手把2下端的挤压机构4。
其中，平板拖把板3的两面均设有一擦拭物(图中未示出)。
本实施例的挤压机构4包括开设有开口的挤水架5、设置在开口中的两条刮板6和设置在挤水架5上的限位装置，两条刮板6相对设置，两条刮板6的相对边沿之间形成挤压口7，并且，各刮板6能相对挤水架5转动地设置在所述的开口中，各刮板6在转动的过程中，可改变挤压口7的宽度大小，从而对挤压口7的开口宽度大小进行调节，而所述限位装置用于限制各刮板6的转动角度。
图4、图11-图26示出了七种不同的挤压机构4，其不同点在于刮板6与挤水架5之间的连接结构和限位装置。具体参见下方“实施例三”中对这七种不同挤压机构的描述。需要说明的是，本实施例二中的挤水架5与挤水手把2相连，且形状和尺寸需与本实施例中的拖把杆1及平板拖把板3相适配。
具体工作过程：需要对擦拭物进行挤水时，平板拖把板3转动后对准挤压机构的挤压口7，然后平板拖把板3进入到挤压口7中，平板拖把板3与挤压机构4之间相对移动进行挤水，具体操作方法是一手握住拖把杆1，一手握住挤水手把2，然后挤水手把2上下滑动带动挤压机构4上下来回滑动；
当挤压机构4相对平板拖把板3向上滑动时，擦拭物与刮板6之间接触，向上滑动的挤压机构中的刮板6向下转动，从而使得挤压口7变宽并达到限位处，保持挤压口开口较大，刮板6与擦拭物之间的摩擦力减小，从而减小擦拭物的磨损；
当挤压机构4相对平板拖把板3向下滑动时，擦拭物与刮板6之间接触，向下滑动的挤压机构中的刮板6向上转动，从而使得挤压口7变窄并达到限位处，保持挤压口7开口较小，利于将擦拭物挤干。
实施例三
如图4、图8～图14所示，为应用有本发明挤压机构实施例三的一种带桶的挤压平板清洁工具，该清洁工具包括拖把桶10、设置在拖把桶10上的两个本发明的挤压机构和拖把。
其中，所述的拖把包括拖把杆1、活动连接在拖把杆1下端的平板拖把板3，平板拖把板3的一面设有擦拭物(图中未示出)。
本实施例的挤压机构包括开设有开口的挤水架5、设置在开口中的一条刮板6、设置在挤水架5上的限位装置，在刮板6和开口的相对边沿之间形成挤压口7，所述的刮板6能相对挤水架5转动地设置在所述的开口中，该刮板6在转动的过程中，可改变挤压口7的宽度大小，从而对挤压口7的开口宽度大小进行调节，而所述限位装置用于限制刮板6的转动角度。当然也可以在平板拖把板的两面均设置擦拭物，而挤水架上设置两条刮板，两条刮板之间形成挤压口，具体结构可参照上述的实施例二。
图4、图11-图26示出了七种不同的挤压机构4，其不同点在于刮板6与挤水架5之间的连接结构和限位装置。具体描述如下。
如图4、图11-图14所示的挤压机构实施例三和图21-图22所示的挤压机构实施例七，在这两个实施例中，所述刮板6的两头转动连接在所述的开口中，具体地：所述刮板6的两头均设有转动销8，两转动销8分别插入所述开口的两端面中。或者，如图15-图16所示的挤压机构实施例四和图23-图24所示的挤压机构实施例八，所述的挤水架5上设有凸轴15，所述刮板的两头设有插孔16，所述的凸轴15分别插入到所述刮板两头的插孔16中。
当然，刮板6与挤水架5之间的连接方式还可以采用其他结构形式，只要达到刮板8与挤水架5之间活动连接从而使所述的刮板6可转动，该刮板6在转动的过程中可调节挤压口7的宽度大小的效果即可。下面列举实现上述效果的具体连接结构；
①如图17、18所示的挤压机构实施例五，所述的挤水架5上设有枢接座17，所述刮板6的侧边枢接在所述的枢接座17上。
②如图19、20所示的挤压机构实施例六，所述挤水架5上设有卡座18，该卡座18上设有卡口19，所述的刮板6上设有卡轴20，所述的卡轴20卡入所述卡座的卡口19内后转动。
用于限制所述刮板6转动角度的限位装置，设置在挤水架5上，具体结构如图13、14、15、16、17、18、19、20所示的这四个挤压机构的实施例，在这四个实施例中，限位装置为一行限位座21，限位座21可以直接设在挤水架5上，也可以设置在枢接座17上，限位座上开设有限位凹口9，所述的刮板位于限位凹口9中，所述的刮板6在转动过程中与所述的限位座21触碰时达到限位。还可以在刮板6上设置凸耳14来辅助限位，通过凸耳14与限制座21的触碰来达到限位。当刮板6在限位装置的限制下，达到两个转动极限时，即达到挤压口7的开口较大位置和挤压口7的开口较小位置。
当然，限位装置还可以采用其他结构形式，例如图22所示的挤压机构实施例七， 在刮板6的两头设置向外凸出的限位块23，在开口的两头设置限位口24，限位块23插入限位口24中，限位块23在限位口24内活动，通过限位口24来限位限位块23的活动范围，从而达到对刮板6转动范围的限制。例如图24所示的挤压机构实施例八，限位装置为设于所述开口两头的限位凹槽25，所述刮板6的两头插入所述的限位凹槽25中，通过限位凹槽25来限制刮板6的转动范围。又或者，限位装置还可以是在挤水架上设有对所述的刮板形成阻挡的阻挡部分，所述的阻挡部分形成所述的限位装置，当刮板触碰阻挡部分时即达到对刮板的限位。
如图25-图26所示的挤压机构实施例九，刮板6和挤水架5之间的活动连接结构自然地形成有限位装置，具体地：所述的挤水架5上设有与刮板6两头对应的斜凹槽22，所述刮板6的两头插入斜凹槽22中，且所述的刮板6与斜凹槽22之间具有沿刮板厚度方向的活动空间，移动平板拖把板3，擦拭物与刮板6之间接触，带动刮板6在斜凹槽22中翻动，从而使刮板6具有一定的转动角度，达到调节所述挤压口7的开口大小的效果。且由于斜凹槽22的限制，刮板6只能在一定程度内活动，从而达到限位效果。
或者，所述刮板的两头设有斜凹槽，所述的挤水架上设有与两斜凹槽对应的插板，所述的插板插入所述的斜凹槽中，且所述的插板与所述的斜凹槽之间具有沿刮板厚度方向的活动空间，移动平板拖把板，擦拭物与刮板之间接触，带动刮板翻动，从而使刮板具有一定的转动角度，达到调节所述挤压口的开口大小的效果。且由于斜凹槽与插板的配合限制，刮板只能在一定程度内活动，从而达到限位效果。
具体工作过程：当平板拖把板3插入挤压口7并相对挤压机构4向下移动时，平板拖把板3上的擦拭物与刮板6之间接触，挤压机构4中的刮板6被擦拭物带动而向下转动，从而使得挤压口7变窄并达到限位处，保持挤压口7开口相对较小，有利于将擦拭物挤干；
当平板拖把板3相对挤压机构4向上移动时，擦拭物与刮板6之间接触，挤压机构中的刮板6被擦拭物带动而向上转动，从而使得挤压口7变宽并达到限位处，保持挤压口开口较大，此时，刮板6与擦拭物之间的摩擦力减小，从而减小擦拭物的磨损，同时使拖把向上提时不会将拖把桶也拎起来。
拖把桶可以是单桶，即只有一个容积体，如图9所示，挤水或清洗时都是平板拖把插入本发明的挤压机构中来回运动来实现。拖把桶也可以是双桶，如图8所示，即拖把桶具有独立的清洗区12和独立的挤水区11，在清洗区12和挤水区11分别安装本发明的挤压机构4。在清洗区12清洗或在挤水区11挤水时，平板拖把板3均可插入本发明的挤压机构4中上下来回移动来进行清洗或挤水。

Claims (9)

  1. 一种挤压平板拖把的挤压机构，包括挤水架(5)，所述的挤水架(5)上开设有开口，所述的开口中设有能转动的第一刮板(6)，所述的第一刮板(6)与开口的相对边沿之间形成挤压口(7)、或者与相对地设置在开口中的第二刮板的相对边沿之间形成挤压口(7)，其特征在于：所述的第一刮板(6)在转动的过程中可调节挤压口(7)的宽度大小；
    并且，所述的挤水架(5)上设有限制所述刮板(6)转动角度的限位装置。
  2. 如权利要求1所述的挤压机构，其特征在于：所述的刮板(6)转动连接在所述的开口中。
  3. 如权利要求2所述的挤压机构，其特征在于：所述刮板(6)的两头均设有转动销，两转动销分别插入所述开口的两端面中；
    或者，所述的挤水架(5)上设有凸轴，所述的凸轴分别插入到所述刮板(6)的两头。
  4. 如权利要求1所述的挤压机构，其特征在于：所述的挤水架(5)上设有枢接座(17)，所述刮板(6)的侧边枢接在所述的枢接座(17)上。
  5. 如权利要求1所述的挤压机构，其特征在于：所述的挤水架(5)上设有卡座(18)，该卡座(18)上设有卡口(19)，所述的刮板(6)上设有卡轴(20)，所述的卡轴(20)卡入所述卡座(18)的卡口(19)内后转动。
  6. 如权利要求1-5任一权利要求所述的挤压机构，其特征在于：所述的限位装置为限位座(21)，所述的限位座(21)上设有限位凹口(9)，所述的刮板(6)位于所述的限位凹口(9)中，所述的刮板(6)在转动过程中与所述的限位座(21)触碰时达到限位。
  7. 如权利要求1-5任一权利要求所述的挤压机构，其特征在于：所述的限位装置为设于所述开口两头的限位凹槽(25)，所述刮板(6)的两头插入所述的限位凹槽(25)中。
  8. 如权利要求1-5任一权利要求所述的挤压机构，其特征在于：所述的挤水架(5)上设有对所述的刮板(6)形成阻挡的阻挡部分，所述的阻挡部分形成所述的限位装置。
  9. 如权利要求1所述的挤压机构，其特征在于：所述的挤水架(5)上设有与所述刮板(6)两头对应的斜凹槽(22)，所述刮板(6)的两头插入所述的斜凹槽(22)中，且所述的刮板(6)与所述的斜凹槽(22)之间具有沿刮板(6)厚度方向的活动空间，该刮板(6)在活动过程中可调节所述挤压口(7)的宽度大小；
    或者，所述刮板(6)的两头设有斜凹槽(22)，所述的挤水架(5)上设有与两斜凹槽(22)对应的插板，所述的插板插入所述的斜凹槽(22)中，且所述的插板与所述的斜凹槽(22)之间具有沿刮板(6)厚度方向的活动空间，所述的刮板(6)在活动过程中可调节所述挤压口(7)的宽度大小。
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