WO2015123954A1 - 省力多头螺旋拖把杆 - Google Patents

省力多头螺旋拖把杆 Download PDF

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Publication number
WO2015123954A1
WO2015123954A1 PCT/CN2014/081065 CN2014081065W WO2015123954A1 WO 2015123954 A1 WO2015123954 A1 WO 2015123954A1 CN 2014081065 W CN2014081065 W CN 2014081065W WO 2015123954 A1 WO2015123954 A1 WO 2015123954A1
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WO
WIPO (PCT)
Prior art keywords
spiral
tube
ratchet
spiral tube
locking
Prior art date
Application number
PCT/CN2014/081065
Other languages
English (en)
French (fr)
Inventor
朱秦熲
陈达宏
Original Assignee
嘉华金属(上海)有限公司
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Filing date
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Application filed by 嘉华金属(上海)有限公司 filed Critical 嘉华金属(上海)有限公司
Publication of WO2015123954A1 publication Critical patent/WO2015123954A1/zh

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Classifications

    • 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
    • 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

Definitions

  • the invention relates to a mop, in particular to a labor-saving multi-head spiral mop rod.
  • Mops are a common cleaning tool used in daily life. After we use the mop, we need to clean it and dehydrate it before we can use it again.
  • the patent number is ZL200820212465.3
  • a utility model patent entitled 'Mop and Dewatering Bucket Combination Device' discloses a pedal type dewatering device and a mop thereof. The part of the mop head on the mop is free to rotate relative to the mop rod. In use, the mop head is placed in the dewatering basket, and the pedal of the pedal drive is driven to rotate the dewatering basket and the mop head. In this way, under the action of centrifugal force, the moisture on the mop will be automatically detached, thereby achieving the purpose of dehydration.
  • the utility model relates to a mop, in particular to a rotary dewatering mop capable of automatic dehydration.
  • the power conversion device of the utility model is installed in the hanging head, so that the rotary dewatering mop has a compact structure, and a large number of plastic parts are omitted, so that the production cost is reduced.
  • the utility model relates to a rotary hand release mop, which comprises a lifting head, a mop head and a pipe joint.
  • the hanging head is divided into an inner tube and an outer rod, and is characterized in that: a rotary drive is further arranged between the inner tube and the outer rod.
  • the rotary drive device is composed of a screw, a driving member and a rotor, and the screw is fixed in the outer rod by a fixing member; the driving member is sleeved in the rotor and meshes with the teeth of the rotor during forward rotation, and then Engaged by the gland; wherein the rotor is secured to the inner tube wall of the inner tube head.
  • the fitting end of the inner tube and the outer rod is provided with a pipe joint.
  • the object of the present invention is to solve the problem that the mop rod in the prior art has a complicated structure, high production cost, large manual pressure and poor working stability during use, and provides a more labor-saving, simpler structure and production cost. Lower, more stable mop bar.
  • the labor-saving multi-headed spiral mop rod is composed of an upper mop tube, a spiral tube and an inner tube, the upper end of the upper mop tube is provided with a hanging head, and the lower end thereof is fixedly connected with the upper end of the spiral tube by a connecting device, and the spiral tube is sleeved on the
  • the inner tube is characterized in that: the inner wall of the spiral tube is provided with a spiral groove, and the upper part of the inner tube is provided with a ratchet member group, and the ratchet member group can rotate along the spiral groove of the spiral tube, and drive the inner tube together Rotating, the lower end of the spiral tube is provided with a locking device, and the locking device is used for locking / Relax the inner tube and the spiral tube so that they are relatively stationary or rotating.
  • the ratchet member set is composed of a movable ratchet and a fixed ratchet.
  • the movable ratchet is connected to the guide shaft of the fixed ratchet by self-tapping screws and spacers, and the lower portion of the fixed ratchet is fixed to the top end of the inner tube.
  • the movable ratchet outer wall is provided with a spiral protrusion that meshes with the spiral groove of the spiral tube, the number of the spiral protrusions is the same as the number of the spiral grooves, and the lower end portion of the movable ratchet is provided with a pushing surface at each pushing surface An upper slope is disposed therebetween, and the movable ratchet is provided with a connection through hole.
  • the upper portion of the fixed ratchet is provided with a force receiving surface, and a lower inclined surface is disposed between the respective force receiving surfaces, and the upper end of the fixed ratchet wheel is provided with a guiding shaft, and the guiding shaft is inserted when the fixed ratchet is in contact with the movable ratchet a connecting ratchet of the movable ratchet, the upper part of the fixed ratchet is provided with a threaded hole for cooperating with the self-tapping screw, a rectangular transmission block is arranged at the top of the guiding shaft, and a square hole is arranged in the middle of the spacer, the fixing
  • the lower end of the ratchet is provided with a cylinder which is fixed to the top end of the inner tube.
  • the locking device comprises a lever locking member, a locking anti-slip rubber block, a rubber cover, a locking lever and a lever locking bushing, and the upper end of the lever locking member is sleeved at a lower end of the spiral tube
  • the locking anti-slip rubber block is snapped onto the rubber cover, and the locking lever is movably connected to the trigger locking member by a trigger pin, and the trigger locking bushing is embedded in the lower part of the trigger locking member .
  • a side of the pull rod locking member is provided with a notch, and a positioning ear is disposed on a periphery of the notch, and a lower portion of the inner wall of the lever locking member is provided with a positioning boss, and the inner wall of the lever locking member is located
  • a connection boss is arranged above the boss.
  • the locking trigger rod is provided with a connecting hole adjacent to the end position, and a circular arc surface is arranged around the connecting hole, and a locking boss surface is arranged smoothly with the circular arc surface, the locking convex surface and the connecting hole The distance of the center is greater than the distance between the circular arc surface and the center of the connecting hole.
  • the side wall of the pull rod locking bushing is provided with a lining notch, and a blocking tooth is arranged in the notch of the inner lining, and a connecting gap is arranged above the side wall of the pulling rod locking bushing so as to be able to be inserted into the trigger locking piece Positioning boss.
  • a spiral limiting member is mounted on the top of the spiral tube, and a buffer spring is disposed under the spiral limiting member, a limiting member through hole is arranged in a middle portion of the spiral limiting member, and a bushing limiting member is mounted on the bottom of the spiral tube a bushing positioning block is disposed on a sidewall of the bottom end of the bushing limiting member, and a bushing through hole is disposed above the bushing positioning block, and a spiral pipe notch is disposed at a lower end of the spiral pipe, and the spiral pipe notch and the bushing are provided
  • the sleeve positioning block of the limiting member cooperates to provide a positioning function, and the spiral tube is provided with a spiral tube lower hole above the notch of the spiral tube to be inserted into the connecting boss of the trigger locking member, and the upper end of the spiral tube Providing a hole in the spiral tube, the number of the spiral groove is 3
  • the connecting device comprises a connecting elastic piece and a pipe butt sleeve, wherein the connecting elastic piece is V
  • the design has a spring boss at one end, the spring boss is embedded in the upper hole of the spiral tube of the spiral tube, the tube butt sleeve is sleeved on the upper mop tube and the spiral tube, and the side wall of the tube butt sleeve is provided with a butt sleeve hole
  • the lower end of the upper mop tube is provided with a mop tube hole, and the middle portion of the hanging head is provided with a vent hole.
  • the present invention has an advantage in that the present invention provides a spiral groove on the inner wall of the spiral tube and a spiral protrusion on the outer wall of the movable ratchet, thereby utilizing the interaction of the spiral groove and the spiral protrusion, thereby
  • the inner tube fixed to the lower end of the fixed ratchet wheel is rotated when moving relative to the spiral tube.
  • the structure of the invention is simpler, the work stability is better, and the production cost is lower.
  • the force required is smaller.
  • Figure 1 is a schematic view showing the assembly of the embodiment of the present invention.
  • FIG. 2 is a schematic exploded view of an entire structure without an upper mop tube and a hanging head according to an embodiment of the present invention
  • Figure 3 is a perspective view of the movable ratchet of Figure 2;
  • Figure 4 is a front elevational view of the movable ratchet of Figure 2;
  • Figure 5 is a perspective view of the fixed ratchet of Figure 2;
  • Figure 6 is a perspective view of the gasket of Figure 2;
  • Figure 7 is a schematic exploded view of the locking device of Figure 1;
  • Figure 8 is a front elevational view of the lever locking member of Figure 7;
  • Figure 9 is a top plan view of the lever locking member of Figure 7;
  • Figure 10 is a partial cross-sectional view of the lever locking member of Figure 7;
  • Figure 11 is a front elevational view of the locking lever of Figure 7;
  • Figure 12 is a perspective view of the lever locking bushing of Figure 7;
  • Figure 13 is a perspective view of the bushing limiter of Figure 2;
  • Figure 14 is a perspective view of the spiral tube of Figure 1;
  • Figure 15 is a perspective view of the upper mop tube of Figure 1;
  • Figure 16 is a perspective view of the connecting elastic piece of Figure 2;
  • Figure 17 is a perspective view of the pipe butt sleeve of Figure 2;
  • Figure 18 is a perspective view of the spiral limiting member of Figure 2;
  • Figure 19 is a longitudinal cross-sectional view of the hoisting head of Figure 1.
  • the labor-saving multi-head spiral mop rod from the upper mop tube 1, the spiral tube 2 and the inner tube 3 Composition.
  • the upper end of the upper mop tube 1 is provided with a hanging head 11 which can conveniently hold the mop rod by the user.
  • the lower end of the upper mop tube 1 and the upper end of the spiral tube 2 are fixed by a connecting device 9.
  • Spiral tube 2 The sleeve is disposed on the inner tube 3, and the spiral limiting member 6 is mounted on the top of the spiral tube 2.
  • the buffer spring 7 is disposed below the spiral limiting member 6, and the bushing limiting member 8 is mounted on the bottom of the spiral tube 2.
  • the inner wall is provided with a spiral groove 21 (note: the position indicated by 21 in the figure is the position of the outer wall corresponding to the spiral groove 21), and the number of the spiral grooves 21 is three.
  • a ratchet member set is provided above the inner tube 3 .
  • the ratchet member set 4 is composed of an movable ratchet 41 and a fixed ratchet 42 which is connected to the axial direction of the fixed ratchet 42 by a tapping screw 43 and a spacer 44.
  • the outer wall of the movable ratchet 41 is provided with a spiral projection 411 which meshes with the spiral groove 21 of the spiral tube 2, and the number of the spiral projections 411 is 3 .
  • the lower end of the movable ratchet 41 is provided with a pushing surface 412, and an upper inclined surface 413 is disposed between the respective pushing surfaces 412, and the movable ratchet 41 is provided with a connecting through hole 414.
  • Figure 5 As shown, the upper portion of the fixed ratchet 42 is provided with a force receiving surface 421, and a lower inclined surface 422 is disposed between the respective force receiving surfaces 421.
  • the upper end of the fixed ratchet 42 is provided with a guide shaft 423 When the fixed ratchet 42 is in contact with the movable ratchet 41, the guide shaft 423 is inserted into the connecting through hole 414 of the movable ratchet 41.
  • the fixed ratchet 42 is provided with a threaded hole in the upper portion 424 Used to match the self-tapping screws 43.
  • a rectangular transmission block 425 is disposed on the top of the guide shaft 423.
  • the lower end of the fixed ratchet 42 is provided with a cylinder 426 for the inner tube 3 Secured.
  • the middle portion of the spacer 44 is provided with a square hole 441 having the same shape as the outer contour of the transmission block 425, and the spacer 44 is coupled to the transmission block 425.
  • the outer side is capable of rotating synchronously with the transmission block 425.
  • the movable ratchet 41 Under the interaction of the spiral groove 21 of the spiral tube 2 and the spiral protrusion 411 of the movable ratchet 41, the movable ratchet 41 is made in the opposite spiral tube. 2 When you move up and down, it will rotate. At the same time, under the interaction of the thrust surface 412 of the movable ratchet 41 and the force receiving surface 421 of the fixed ratchet 42, the movable ratchet 41 When rotating, the fixed ratchet 42 is driven again, and the inner tube 3 is rotated together.
  • the spiral limiter 6 disposed above the spiral tube 2 and the bushing limiter 8 below it can restrict the ratchet member set 4 and the inner tube 3, relative to the range of up and down movement of the spiral tube 2.
  • the buffer spring 7 serves as a buffer during the contact of the spiral stopper 6 with the ratchet member group 4.
  • the lower end of the spiral tube 2 is provided with a locking device 5 for restricting the inner tube 3 relative to the spiral tube 2 The state of motion.
  • the locking device 5 includes a lever locking member 51, a locking anti-slip rubber block 52, a rubber cover 53, a locking lever 54 and a lever locking bushing 55, and a lever locking member. 51 The upper end is sleeved on the lower end of the spiral tube 2, the locking anti-slip rubber block 52 is snapped onto the rubber cover 53 , and the locking lever 54 is movably connected to the positioning ear of the lever locking member 51 through the trigger pin 56 512, the lever lock bushing 55 is inserted into the lower part of the lever lock member 51. As shown in FIG.
  • the side of the lever locking member 51 is provided with a notch 511 and a lever locking member 51.
  • a positioning boss 513 is disposed at a lower portion of the inner wall, and an inner wall of the lever locking member 51 is disposed above the positioning boss 513 to provide a connecting boss 514.
  • Figure 11 shows the locking lever 54
  • a connecting hole 541 is disposed adjacent to the end position, and a circular arc surface 542 is disposed around the connecting hole 541, and a locking boss surface 543 is arranged smoothly with the circular arc surface 542, and the locking convex surface is locked.
  • the distance between the 543 and the center of the connecting hole 541 is greater than the distance between the circular arc surface 542 and the center of the connecting hole 541.
  • the lever locking bushing 55 has a lining notch on the side wall.
  • the lining notch 551 is provided with a blocking tooth 552.
  • the shank locking bushing 55 is provided with a connecting notch 553 above the side wall so as to be embedded in the positioning boss 513 of the lever locking member 51. .
  • the manual control lock lever 54 rotates about the axis of the trigger pin 56 and pushes the rubber cover 53 and locks the slip rubber block 52 when the locking boss surface 543 comes into contact with the rubber cover 53. , move in the direction of the inner tube 3. Under the action of friction, the locking anti-slip rubber block 52 will tightly clamp the inner tube 3, thereby restricting the inner tube 3 from moving up and down relative to the spiral tube 2.
  • the bottom end side of the bushing limiting member 8 is provided with a bushing positioning block 81 at the bushing positioning block 81.
  • a bushing through hole 82 is provided above, and the bushing through hole 82 is engaged with the connecting boss 514 of the lever locking member 51.
  • the spiral tube 2 is provided with a spiral tube notch at the lower end 22
  • the spiral tube notch 22 cooperates with the bushing positioning block 81 of the bushing limiting member 8 to perform a positioning function, and the spiral tube 2 is provided with a spiral tube lower hole adjacent to the spiral tube notch 22 23
  • the upper end of the spiral tube 2 is provided with a spiral tube upper hole 24 at a connecting boss 514 which can be inserted into the lever locking member 51.
  • the connecting device 9 includes a connecting elastic piece 91 and a pipe butting sleeve 92.
  • the connecting elastic piece 91 has a V-shaped design, and one end thereof is provided with a spring piece boss 911 and a spring piece boss 911. Insert the spiral tube 2 into the hole 24 of the spiral tube.
  • the pipe butt sleeve 92 is sleeved on the upper mop pipe 1 and the spiral pipe 2, as shown in Fig. 17, the pipe butt sleeve 92 has a butt sleeve hole 921 .
  • the present invention is provided with a stopper through hole 61 in the middle of the spiral stopper 6, and a vent hole 111 is provided in the middle of the hanger 11.
  • the invention provides a spiral groove on the inner wall of the spiral tube, and a spiral protrusion is arranged on the outer wall of the movable ratchet, and the inner tube of the lower end of the fixed ratchet is fixed by the interaction of the spiral groove and the spiral protrusion.
  • the spiral tube moves up and down, it produces rotation.
  • the structure of the invention is simpler, the work stability is better, and the production cost is lower.
  • the force required is smaller.

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

Abstract

一种省力多头螺旋拖把杆，由上拖把管（1）、螺旋管（2）和内管（3）构成，所述上拖把管（1）的上端设有吊头（11），其下端与螺旋管（2）的上端通过连接装置（9）固接，所述螺旋管（2）套设于内管（3），所述螺旋管（2）内壁设置有螺旋凹槽（21），所述内管（3）的上方设有棘轮件组（4），所述棘轮件组（4）可沿螺旋管（2）的螺旋凹槽（21）旋转，并带动内管（3）—起旋转，所述螺旋管（2）下端设有锁紧装置（5），所述锁紧装置（5）用以限制内管（3）相对于螺旋管（2）的运动状态。该省力多头螺旋拖把杆通过在螺旋管（2）的内壁设置螺旋凹槽（21），并在活动棘轮（41）外壁设置有螺旋凸起（411），利用螺旋凹槽（21）与螺旋凸起（411）的相互作用，从而使固接于固定棘轮（42）下端的内管（3），在相对螺旋管（2）上下移动时，产生自转。同时，其结构更为简单，工作稳定性更好，生产成本更低，在手动下压螺旋管（2）时，所需的力更小。

Description

省力多头螺旋拖把杆 技术领域
本发明涉及一种拖把，具体涉及一种省力多头螺旋拖把杆。
背景技术
拖把是日常生活中常用的一种清洁工具。我们在使用拖把后，需要对其进行清洗并脱水，方能再次使用。为了方便拖把的清洗和脱水，专利号为 ZL200820212465.3, 名称为'拖把及脱水桶组合装置'的实用新型专利公开了一种脚踏式脱水装置及其拖把。其中拖把上的拖把头的部分，是相对于拖把杆可以自由转动。使用时，将拖把头放置在脱水筐中，通过脚踏驱动装置的踏板，从而带动脱水筐和拖把头旋转。这样，在离心力的作用下，拖把上的水分就会自动脱离，从而达到了脱水的目的。
申请号 :CN200920214941.X ，本实用新型涉及一种拖把，尤其是涉及一种能自动脱水的旋转脱水拖把。本实用新型的动力转换装置安装在吊头内，使旋转脱水拖把结构紧凑，省略了大量的塑料件，使生产成本降低。本实用新型的一种旋转脱手拖把，包括吊头、拖把头和管接头，所述吊头分为内管和外杆构成，其特征在于：在内管和外杆之间还设有旋转驱动装置；所述旋转驱动装置由螺杆、驱动件和转子构成，所述螺杆通过固定件固定在外杆内；所述驱动件套在转子内，并与转子的齿，在正转时相互啮合，再通过压盖啮合；其中，转子与内管头部的内管壁固连。所述内管和外杆的配合的连接口端设有管接头。本实用新型的优点是：结构简单，节省了大量的塑料件，降低了磨具的费用，使生产成本减少。
 技术问题
上述现有技术中的拖把杆，因其采用的旋转驱动装置较为复杂，从而导致其生产成本仍然较高，且使用时所需的手动压力较大，另外，其工作稳定性也较差。
因此，我们需要一种结构较为简单，生产成本更低，所需手动压力较小，工作稳定性好的拖把杆。
 技术解决方案
本发明的目的是要解决现有技术中拖把杆，结构较为复杂，生产成本较高，使用时所需手动压力较大，工作稳定性差的问题，提供一种更加省力，结构更加简单，生产成本更低，工作稳定性更好的拖把杆。
为实现上述目的，本发明所采用的技术方案如下：
省力多头螺旋拖把杆，由上拖把管、螺旋管和内管构成，所述上拖把管的上端设有吊头，其下端与螺旋管的上端通过连接装置固接，所述螺旋管套设于内管，其特征在于：所述螺旋管内壁设置有螺旋凹槽，所述内管的上方设有棘轮件组，所述棘轮件组可沿螺旋管的螺旋凹槽旋转，并带动内管一起旋转，所述螺旋管下端设有锁紧装置，所述锁紧装置用以锁紧 / 放松内管和螺旋管，使两者之间相对静止或者旋转。
所述棘轮件组由活动棘轮和固定棘轮构成，所述活动棘轮通过自攻螺丝以及垫片连接于固定棘轮的导向轴，使之相互啮合，所述固定棘轮下部与内管顶端固接。
所述活动棘轮外壁设置有与螺旋管的螺旋凹槽相啮合的螺旋凸起，所述螺旋凸起的数量与螺旋凹槽的数量相同，该活动棘轮下端部设置有推动面，在各个推动面之间设置有上斜面，所述活动棘轮设置有连接通孔。
所述固定棘轮的上部设置有受力面，在各个受力面之间设置有下斜面，该固定棘轮的上端设置有导向轴，在固定棘轮与活动棘轮接触配合时，该导向轴插接于活动棘轮的连接通孔，所述固定棘轮上部设置有螺纹孔，用以与自攻螺丝配合，在导向轴的顶部设置有矩形的传动块，所述垫片中部设有方孔，所述固定棘轮下端设有圆柱体，所述圆柱体固定于内管顶端。
所述锁紧装置包括扳杆锁紧件、锁紧止滑橡胶块、橡胶护盖、锁紧扳杆和扳杆锁紧衬套，所述扳杆锁紧件上端套接于螺旋管的下端，所述锁紧止滑橡胶块卡接于橡胶护盖，所述锁紧扳杆通过扳杆销活动连接于扳杆锁紧件，所述扳杆锁紧衬套嵌入扳杆锁紧件下部。
所述扳杆锁紧件的侧边设置有缺口，在所述缺口的外围设置有定位耳，所述扳杆锁紧件内壁下部设置有定位凸台，所述扳杆锁紧件内壁位于定位凸台上方设有连接凸台。
所述锁紧扳杆邻近端部位置设有连接孔，以连接孔为中心设有一段圆弧面，与圆弧面平滑过渡设置有一段锁紧凸台面，所述锁紧凸台面与连接孔中心的距离大于所述圆弧面与连接孔中心的距离。
所述扳杆锁紧衬套侧壁设有内衬缺口，在内衬缺口内设有阻挡齿，所述扳杆锁紧衬套侧壁上方设置有连接缺口，以能嵌入扳杆锁紧件的定位凸台。
所述螺旋管顶部安装有螺旋限位件，在螺旋限位件的下方设有缓冲弹簧，所述螺旋限位件中部设有限位件通孔，所述螺旋管底部安装有衬套限位件，所述衬套限位件底端侧壁设有衬套定位块，在衬套定位块的上方设衬套通孔，所述螺旋管下端设有螺旋管缺口，该螺旋管缺口与衬套限位件的衬套定位块配合，起到定位作用，所述螺旋管在邻近螺旋管缺口上方设有螺旋管下孔，以能嵌入扳杆锁紧件的连接凸台，所述螺旋管上端设有螺旋管上孔，所述螺旋凹槽的数量为 3 个。
所述连接装置包括连接弹片和管对接套，所述连接弹片呈 V 形设计，其一端设有弹片凸台，所述弹片凸台嵌入螺旋管的螺旋管上孔，所述管对接套套接于上拖把管和螺旋管，该管对接套侧壁设有对接套孔，所述上拖把管的下端设上拖把管孔，所述吊头中部设有通气孔。
 有益效果
与现有技术相比，本发明的优点在于：本发明通过在螺旋管的内壁设置螺旋凹槽，并在活动棘轮外壁设置有螺旋凸起，利用螺旋凹槽与螺旋凸起的相互作用，从而使固接于固定棘轮下端的内管，在相对螺旋管上下移动时，产生自转。此时，本发明结构更为简单，工作稳定性更好，生产成本更低。同时，在手动下压螺旋管时，所需的力更小。
附图说明
图1为本发明实施例的装配示意图；
图2为本发明实施例整体结构中不包括上拖把管和吊头的爆炸示意图；
图3为图2中活动棘轮的立体示意图；
图4为图2中活动棘轮的正视示意图；
图5为图2中固定棘轮的立体示意图；
图6为图2中 垫片的立体示意图；
图 7 为图 1 中锁紧装置的爆炸示意图；
图 8 为图 7 中扳杆锁紧件的正视示意图；
图 9 为图 7 中扳杆锁紧件的俯视示意图；
图 10 为图 7 中扳杆锁紧件的局部剖视示意图；
图 11 为图 7 中锁紧扳杆的正视示意图；
图 12 为图 7 中扳杆锁紧衬套的立体示意图；
图 13 为图 2 中衬套限位件的立体示意图；
图 14 为图 1 中螺旋管的立体示意图；
图 15 为图 1 中上拖把管的立体示意图；
图 16 为图 2 中连接弹片的立体示意图；
图 17 为图 2 中管对接套的立体示意图；
图 18 为图 2 中螺旋限位件的立体示意图；
图 19 为图 1 中吊头的纵向剖视示意图。
 本发明的最佳实施方式
下面结合附图，详细介绍本发明的一种实施例。
如图 1 和图 2 所示，省力多头螺旋拖把杆，由上拖把管 1 、螺旋管 2 和内管 3 构成。上拖把管 1 的上端设有吊头 11 ，此吊头 11 可以方便使用者手握拖把杆。上拖把管 1 的下端与螺旋管 2 的上端通过连接装置 9 固接。螺旋管 2 套设于内管 3 ，螺旋管 2 顶部安装有螺旋限位件 6 ，在螺旋限位件 6 的下方设有缓冲弹簧 7 ，螺旋管 2 底部安装有衬套限位件 8 。螺旋管 2 内壁设置有螺旋凹槽 21 （注：图中 21 所指位置是螺旋凹槽 21 相对应的外壁位置），螺旋凹槽 21 的数量为 3 个。内管 3 的上方设有棘轮件组 4 。棘轮件组 4 由活动棘轮 41 和固定棘轮 42 构成，活动棘轮 41 通过自攻螺丝 43 ，以及垫片 44 ，连接于固定棘轮 42 的轴向。如图 3 和图 4 所示，活动棘轮 41 外壁设置有螺旋凸起 411 ，所述螺旋凸起 411 与螺旋管 2 的螺旋凹槽 21 相啮合，所述螺旋凸起 411 的数量为 3 。该活动棘轮 41 下端部设置有推动面 412 ，在各个推动面 412 之间设置有上斜面 413 ，活动棘轮 41 设置有连接通孔 414 。如图 5 所示，固定棘轮 42 的上部设置有受力面 421 ，在各个受力面 421 之间设置有下斜面 422 。该固定棘轮 42 的上端设置有导向轴 423 ，在固定棘轮 42 与活动棘轮 41 接触配合时，该导向轴 423 插接于活动棘轮 41 的连接通孔 414 。固定棘轮 42 上部设置有螺纹孔 424 ，用以与自攻螺丝 43 配合。在导向轴 423 的顶部设置有矩形的传动块 425 ，固定棘轮 42 下端设有圆柱体 426 ，圆柱体 426 用于与内管 3 固接。如图 6 所示，垫片 44 中部设有方孔 441 ，该方孔 441 的形状与传动块 425 外部轮廓相同，该垫片 44 卡接于传动块 425 外侧，以能随传动块 425 同步旋转。在螺旋管 2 的螺旋凹槽 21 ，与活动棘轮 41 的螺旋凸起 411 的相互作用下，使活动棘轮 41 ，在相对螺旋管 2 上下移动时，会产生自转。同时，又在活动棘轮 41 的推力面 412 ，与固定棘轮 42 的受力面 421 的相互作用下，当活动棘轮 41 自转时，又会带动固定棘轮 42 ，以及内管 3 一起转动。设置在螺旋管 2 上方的螺旋限位件 6 ，和其下方的衬套限位件 8 ，可以限制棘轮件组 4 以及内管 3 ，相对于螺旋管 2 的上下移动的范围。缓冲弹簧 7 ，在螺旋限位件 6 与棘轮件组 4 接触过程中，起到缓冲作用。
如图 1 所示，螺旋管 2 下端设有锁紧装置 5 ，锁紧装置 5 用以限制内管 3 相对于螺旋管 2 的运动状态。如图 7 所示，锁紧装置 5 包括扳杆锁紧件 51 、锁紧止滑橡胶块 52 、橡胶护盖 53 、锁紧扳杆 54 和扳杆锁紧衬套 55 ，扳杆锁紧件 51 上端套接于螺旋管 2 的下端，锁紧止滑橡胶块 52 卡接于橡胶护盖 53 ，锁紧扳杆 54 通过扳杆销 56 ，活动连接于扳杆锁紧件 51 的定位耳 512 ，扳杆锁紧衬套 55 嵌入扳杆锁紧件 51 下部。如图 8 ～图 10 所示，扳杆锁紧件 51 的侧边设置有缺口 511 ，扳杆锁紧件 51 内壁下部设置有定位凸台 513 ，扳杆锁紧件 51 内壁位于定位凸台 513 上方设有连接凸台 514 。所图 11 所示，锁紧扳杆 54 邻近端部位置设有连接孔 541 ，以连接孔 541 为中心设有一段圆弧面 542 ，与圆弧面 542 平滑过渡设置有一段锁紧凸台面 543 ，锁紧凸台面 543 与连接孔 541 中心的距离大于圆弧面 542 与连接孔 541 中心的距离。如图 12 所示，扳杆锁紧衬套 55 侧壁设有内衬缺口 551 ，在内衬缺口 551 内设有阻挡齿 552 ，扳杆锁紧衬套 55 侧壁上方设置有连接缺口 553 ，以能嵌入扳杆锁紧件 51 的定位凸台 513 。手动控制锁紧扳杆 54 围绕扳杆销 56 的轴线转动，并在锁紧凸台面 543 与橡胶护盖 53 接触时，将会推动橡胶护盖 53 ，以及锁紧止滑橡胶块 52 ，向内管 3 方向移动。在摩擦力的作用下，锁紧止滑橡胶块 52 将紧紧卡住内管 3 ，从而限制内管 3 相对于螺旋管 2 上下移动。在橡胶护盖 53 ，以及锁紧止滑橡胶块 52 ，向内管 3 方向移动过程中，将会使扳杆锁紧衬套 55 的阻挡齿 552 产生形变。当转动锁紧扳杆 54 ，并使锁紧凸台面 543 脱离与橡胶护盖 53 接触时，在阻挡齿 552 形变作用力下，将推动橡胶护盖 53 ，以及锁紧止滑橡胶块 52 ，向锁紧扳杆 54 方向移动，从而使锁紧止滑橡胶块 52 脱离与内管 3 的接触，此时内管 3 可相对螺旋管 2 上下自由移动。
如图 13 所示，衬套限位件 8 底端侧壁设有衬套定位块 81 ，在衬套定位块 81 的上方设衬套通孔 82 ，该衬套通孔 82 与扳杆锁紧件 51 的连接凸台 514 配合。如图 14 所示，螺旋管 2 下端设有螺旋管缺口 22 ，该螺旋管缺口 22 与衬套限位件 8 的衬套定位块 81 配合，起到定位作用，螺旋管 2 在邻近螺旋管缺口 22 上方设有螺旋管下孔 23 ，以能嵌入扳杆锁紧件 51 的连接凸台 514 ，螺旋管 2 上端设有螺旋管上孔 24 。如图 15 所示，上拖把管 1 的下端设上拖把管孔 12 。如图 2 所示，连接装置 9 包括连接弹片 91 和管对接套 92 ，如图 16 所示，连接弹片 91 呈 V 形设计，其一端设有弹片凸台 911 ，弹片凸台 911 嵌入螺旋管 2 的螺旋管上孔 24 。管对接套 92 套接于上拖把管 1 和螺旋管 2 ，如图 17 所示，管对接套 92 侧壁设有对接套孔 921 。
为了保证内管 3 在螺旋管 2 内伸缩时，螺旋管 2 内的气压保持平衡，如图 18 和图 19 所示，本发明在在螺旋限位件 6 中部设有限位件通孔 61 ，同时在吊头 11 中部设有通气孔 111 。
以上结合附图对本发明的实施方式作了详细说明，但是本发明并不限于上述实施方式，在本领域普通技术人员所具备的知识范围内，还可以在不脱离本发明宗旨的前提下作出各种变化和改进，这些变化和改进都落入本发明要求的保护范围内。
 工业实用性
本发明通过在螺旋管的内壁设置螺旋凹槽，并在活动棘轮外壁设置有螺旋凸起，利用螺旋凹槽与螺旋凸起的相互作用，从而使固接于固定棘轮下端的内管，在相对螺旋管上下移动时，产生自转。此时，本发明结构更为简单，工作稳定性更好，生产成本更低。同时，在手动下压螺旋管时，所需的力更小。
序列表自由内容

Claims (1)

  1. 1 、省力多头螺旋拖把杆，由上拖把管（ 1 ）、螺旋管（ 2 ）和内管（ 3 ）构成，所述上拖把管（ 1 ）的上端设有吊头（ 11 ），其下端与螺旋管（ 2 ）的上端通过连接装置（ 9 ）固接，所述螺旋管（ 2 ）套设于内管（ 3 ），其特征在于：所述螺旋管（ 2 ）内壁设置有螺旋凹槽（ 21 ），所述内管（ 3 ）的上方设有棘轮件组（ 4 ），所述棘轮件组（ 4 ）可沿螺旋管（ 2 ）的螺旋凹槽（ 21 ）旋转，并带动内管（ 3 ）一起旋转，所述螺旋管（ 2 ）下端设有锁紧装置（ 5 ），所述锁紧装置（ 5 ）用以锁紧 / 放松内管（ 3 ）和螺旋管（ 2 ），使两者之间相对静止或者旋转。
    2 、根据权利要求 1 所述省力多头螺旋拖把杆，其特征在于：所述棘轮件组（ 4 ）由活动棘轮（ 41 ）和固定棘轮（ 42 ）构成，所述活动棘轮（ 41 ）通过自攻螺丝（ 43 ）以及垫片（ 44 ）连接于固定棘轮（ 42 ）的导向轴（ 423 ），使之相互啮合，所述固定棘轮（ 42 ）下部与内管（ 3 ）顶端固接。
    3 、根据权利要求 2 所述省力多头螺旋拖把杆，其特征在于：所述活动棘轮（ 41 ）外壁设置有与螺旋管（ 2 ）的螺旋凹槽（ 21 ）相啮合的螺旋凸起（ 411 ），所述螺旋凸起（ 411 ）的数量与螺旋凹槽（ 21 ）的数量相同，该活动棘轮（ 41 ）下端部设置有推动面（ 412 ），在各个推动面（ 412 ）之间设置有上斜面（ 413 ），所述活动棘轮（ 41 ）设置有连接通孔（ 414 ）。
    4 、根据权利要求 2 所述省力多头螺旋拖把杆，其特征在于：所述固定棘轮（ 42 ）的上部设置有受力面（ 421 ），在各个受力面（ 421 ）之间设置有下斜面（ 422 ），该固定棘轮（ 42 ）的上端设置有导向轴（ 423 ），在固定棘轮（ 42 ）与活动棘轮（ 41 ）接触配合时，该导向轴（ 423 ）插接于活动棘轮（ 41 ）的连接通孔（ 414 ），所述固定棘轮（ 42 ）上部设置有螺纹孔（ 424 ），用以与自攻螺丝（ 43 ）配合，在导向轴（ 423 ）的顶部设置有矩形的传动块（ 425 ），所述垫片（ 44 ）中部设有方孔（ 441 ），所述固定棘轮（ 42 ）下端设有圆柱体（ 426 ），所述圆柱体（ 426 ）固定于内管（ 3 ）顶端。
    5 、根据权利要求 1 所述省力多头螺旋拖把杆，其特征在于：所述锁紧装置（ 5 ）包括扳杆锁紧件（ 51 ）、锁紧止滑橡胶块（ 52 ）、橡胶护盖（ 53 ）、锁紧扳杆（ 54 ）和扳杆锁紧衬套（ 55 ），所述扳杆锁紧件（ 51 ）上端套接于螺旋管（ 2 ）的下端，所述锁紧止滑橡胶块（ 52 ）卡接于橡胶护盖（ 53 ），所述锁紧扳杆（ 54 ）通过扳杆销（ 56 ）活动连接于扳杆锁紧件（ 51 ），所述扳杆锁紧衬套（ 55 ）嵌入扳杆锁紧件（ 51 ）下部。
    6 、根据权利要求 5 所述省力多头螺旋拖把杆，其特征在于：所述扳杆锁紧件（ 51 ）的侧边设置有缺口（ 511 ），在所述缺口（ 511 ）的外围设置有定位耳（ 512 ），所述扳杆锁紧件（ 51 ）内壁下部设置有定位凸台（ 513 ），所述扳杆锁紧件（ 51 ）内壁位于定位凸台（ 513 ）上方设有连接凸台（ 514 ）。
    7 、根据权利要求 5 所述省力多头螺旋拖把杆，其特征在于：所述锁紧扳杆（ 54 ）邻近端部位置设有连接孔（ 541 ），以连接孔（ 541 ）为中心设有一段圆弧面（ 542 ），与圆弧面（ 542 ）平滑过渡设置有一段锁紧凸台面（ 543 ），所述锁紧凸台面（ 543 ）与连接孔（ 541 ）中心的距离大于所述圆弧面（ 542 ）与连接孔（ 541 ）中心的距离。
    8 、根据权利要求 5 所述省力多头螺旋拖把杆，其特征在于：所述扳杆锁紧衬套（ 55 ）侧壁设有内衬缺口（ 551 ），在内衬缺口（ 551 ）内设有阻挡齿（ 552 ），所述扳杆锁紧衬套（ 55 ）侧壁上方设置有连接缺口（ 553 ），以能嵌入扳杆锁紧件（ 51 ）的定位凸台（ 513 ）。
    9 、根据权利要求 1 所述省力多头螺旋拖把杆，其特征在于：所述螺旋管（ 2 ）顶部安装有螺旋限位件（ 6 ），在螺旋限位件（ 6 ）的下方设有缓冲弹簧（ 7 ），所述螺旋限位件（ 6 ）中部设有限位件通孔（ 61 ），所述螺旋管（ 2 ）底部安装有衬套限位件（ 8 ），所述衬套限位件（ 8 ）底端侧壁设有衬套定位块（ 81 ），在衬套定位块（ 81 ）的上方设衬套通孔（ 82 ），所述螺旋管（ 2 ）下端设有螺旋管缺口（ 22 ），该螺旋管缺口（ 22 ）与衬套限位件（ 8 ）的衬套定位块（ 81 ）配合，起到定位作用，所述螺旋管（ 2 ）在邻近螺旋管缺口（ 22 ）上方设有螺旋管下孔（ 23 ），以能嵌入扳杆锁紧件（ 51 ）的连接凸台（ 514 ），所述螺旋管（ 2 ）上端设有螺旋管上孔（ 24 ），所述螺旋凹槽（ 21 ）的数量为 3 个。
    10 、根据权利要求 1 所述省力多头螺旋拖把杆，其特征在于：所述连接装置（ 9 ）包括连接弹片（ 91 ）和管对接套（ 92 ），所述连接弹片（ 91 ）呈 V 形设计，其一端设有弹片凸台（ 911 ），所述弹片凸台（ 911 ）嵌入螺旋管（ 2 ）的螺旋管上孔（ 24 ），所述管对接套（ 92 ）套接于上拖把管（ 1 ）和螺旋管（ 2 ），该管对接套（ 92 ）侧壁设有对接套孔（ 921 ），所述上拖把管（ 1 ）的下端设上拖把管孔（ 12 ），所述吊头（ 11 ）中部设有通气孔（ 111 ）。
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