WO2018032326A1 - 一种快速安装螺母 - Google Patents

一种快速安装螺母 Download PDF

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Publication number
WO2018032326A1
WO2018032326A1 PCT/CN2016/095462 CN2016095462W WO2018032326A1 WO 2018032326 A1 WO2018032326 A1 WO 2018032326A1 CN 2016095462 W CN2016095462 W CN 2016095462W WO 2018032326 A1 WO2018032326 A1 WO 2018032326A1
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WO
WIPO (PCT)
Prior art keywords
elastic piece
screw
slider
sliding seat
locking cover
Prior art date
Application number
PCT/CN2016/095462
Other languages
English (en)
French (fr)
Inventor
刘永茂
张子鹏
Original Assignee
厦门立业卫浴工业有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 厦门立业卫浴工业有限公司 filed Critical 厦门立业卫浴工业有限公司
Priority to PCT/CN2016/095462 priority Critical patent/WO2018032326A1/zh
Publication of WO2018032326A1 publication Critical patent/WO2018032326A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B37/00—Nuts or like thread-engaging members
    • F16B37/08—Quickly-detachable or mountable nuts, e.g. consisting of two or more parts; Nuts movable along the bolt after tilting the nut

Definitions

  • the invention relates to the technical field of nut structures, in particular to a quick mounting nut.
  • the inlet valve is installed in the inlet tank, and when the inlet valve is fixed, it is usually on the inlet pipe of the inlet valve. Set the external thread and screw the nut onto the inlet pipe of the inlet valve to secure the inlet valve.
  • the disadvantage of the mounting nut is that since the inlet valve is installed in the water inlet tank and the space of the inlet valve is small, it is inconvenient when the nut is screwed, and the nut cannot be quickly installed;
  • the nut is slowly screwed in along the external thread of the inlet pipe of the inlet valve, similarly, when the nut is disassembled, the nut is slowly unscrewed along the external thread of the inlet pipe of the inlet valve, and the nut is screwed into and out of the stroke. Long, can't be installed and removed quickly. At the same time, the screw and nut fits in other fields as well, making it impossible to quickly install and remove the nut.
  • the present invention has developed a quick mounting nut that overcomes the aforementioned drawbacks, and the present invention is thus produced.
  • the object of the present invention is to provide a quick mounting nut for quick installation and disassembly of the nut, and the installation is relatively firm, the structure is simple, and the cost is saved.
  • the solution of the present invention is:
  • a quick mounting nut includes a sliding seat and at least two screw sliders; the at least two screw sliders are respectively provided with internal threads and are arranged to slide relative to the sliding seat, and the socket is provided with a socket and should be at least two threaded teeth
  • the block is provided with at least two elastic pieces, the upper part of the elastic piece is convexly disposed, and the lower part of the elastic piece abuts against the screw slider, and the upper part of the at least two elastic pieces is pressed, and the lower part of the elastic piece pushes the screw slider to slide against the center of the sliding seat. Drive at least two screw sliders to be relatively close together.
  • the utility model further comprises a locking cover, the locking cover is rotatably mounted on the sliding seat, and the pressing block is arranged on the inner side wall of the locking cover, the outer side wall of the upper part of the elastic piece is radially formed with a flange, and the outer side wall of the lower part of the elastic piece is radial Forming a boss, forming a retaining groove between the boss and the flange; when the elastic piece is not subjected to the force, the pressing block of the locking cover interferes with the boss of the elastic piece and cannot rotate the locking cover, and the elastic piece is pushed in the locking When the force moves downward, the pressing block of the locking cover can be rotated by the position groove.
  • a clamping block is disposed on the inner side wall of the locking cover, and a corresponding slot is disposed on the sliding seat, and the locking block of the locking cover is limited and slidably disposed in the slot of the sliding seat.
  • a plurality of pushing blocks are arranged on the inner side wall of the locking cover, and the rotating locking cover drives the pushing block and the screw slider to be close to the center to prevent the locking screw slider from separating.
  • the lower part of the elastic piece is arranged as a wedge-shaped block, and the inclined surface is correspondingly arranged on the screw slider, and the inclined surface of the wedge-shaped block is in contact with the inclined surface of the screw slider.
  • the elastic piece is arranged axially with respect to the sliding seat, and the upper part of the elastic piece is pressed, the wedge piece of the lower part of the elastic piece is axially displaced and the radial displacement of the screw slider is pressed.
  • the accommodating groove is disposed on the sliding seat, and the elastic piece is placed in the accommodating groove, and the connecting portion of the elastic piece is integrally formed with the sliding seat.
  • the screw slider is set to two pieces, and the two screw sliders are oppositely disposed, and two elastic pieces are correspondingly arranged on the sliding seat, and the upper protrusions of the two elastic pieces are pressed, and the lower part of the elastic piece pushes the screw slider Slide the center of the slide to drive the two screw sliders closer together.
  • the screw slider is disposed on the sliding seat by the sliding movement of the slider and the sliding slot.
  • a sliding slot is arranged on the screw slider, and a slider is arranged correspondingly on the sliding seat, and the slider of the sliding seat slides in the sliding slot of the screw slider.
  • the screw when the invention is installed with the externally threaded screw, the screw is inserted into the insertion hole of the sliding seat, and the sliding seat is directly sleeved on the screw, and the sliding seat slides rapidly on the screw, when the sliding seat is at least When the upper portion of the two elastic pieces is in contact with the obstacle, the upper protrusion of the elastic piece is displaced and displaced, so that the lower part of the elastic piece pushing the screw slider slides against the center of the sliding seat, driving the at least two screw sliders to be relatively close together, thereby
  • the internal thread of at least two screw sliders is fixedly engaged with the external thread of the screw; when the nut is disassembled, the rotating screw slider drives the sliding seat to rotate, releasing the pressing of the elastic piece, thereby releasing the pressing of the screw slider, At least two screw sliders are separated, the meshing with the external thread of the screw is released, the sliding seat can be directly removed, the nut is quickly installed and disassembled, and the installation is firm, the structure is simple, and the
  • the outer side wall of the upper part of the elastic piece forms a flange radially, and the outer side wall of the lower part of the elastic piece forms a boss in a radial direction, and a retaining groove is formed between the boss and the flange; in the case that the elastic piece is not stressed, the locking cover is squeezed.
  • the pressing block interferes with the boss of the elastic piece and cannot rotate the locking cover.
  • the elastic piece is forced to move downward, the locking cover is rotated and the pressing block of the locking cover is placed in the retaining groove and the elastic piece is squeezed, and the elastic piece is The squeeze screw slider and the external thread of the screw are locked so as not to slip.
  • Figure 1 is a perspective assembled view of the present invention
  • Figure 2 is an exploded perspective view of the present invention
  • Figure 3 is a partial exploded view of the present invention
  • Figure 4 is a partial exploded view of the present invention.
  • Figure 5 is a view showing the unsqueezed state of the elastic piece of the present invention.
  • Figure 6 is a view showing a state in which the elastic piece of the present invention is pressed
  • Figure 7 is a schematic view showing the pushing block of the elastic piece of the present invention locked by the locking cover
  • Figure 7a is a partial enlarged view of Figure 7;
  • Figure 8 is a schematic view showing the pushing block of the screw slider of the present invention locked by the locking cover;
  • Figure 9 is a schematic view of the present invention sleeved on a screw
  • Figure 9a is a partial enlarged view of Figure 9;
  • Figure 10 is a schematic view showing the sliding of the sleeve of the present invention on the screw to the elastic piece;
  • Figure 10a is a partial enlarged view of Figure 10;
  • Figure 11 is a schematic view of the present invention after locking with a screw
  • Figure 11a is a partial enlarged view of Figure 11 .
  • the boss 135 makes the bit groove 136
  • a quick mounting nut disclosed in the present invention comprises a sliding seat 1 and at least two screw sliders 2.
  • the at least two threaded sliders 2 are respectively provided with internal threads 21, and the at least two threaded sliders 2 are slidably disposed relative to the sliding seat 2.
  • the threaded slider 2 is arranged to slide through the sliding block and the sliding slot.
  • the threaded slider 2 is provided with a chute 22, and the slider 1 is provided with a slider 11, and the slider 11 of the slider 1 slides in the chute 22 of the threaded slider 2.
  • the slider 1 is provided with a socket 12 which is convenient for socketing with the screw.
  • the slider 1 is provided with at least two elastic pieces 13 corresponding to at least two screw sliders 2, and the elastic piece 13 is convexly disposed on the upper portion, that is, the upper portion of the elastic piece 13 is a convex portion 131.
  • the lower portion of the elastic piece 13 is The screw slider 2 is abutted.
  • the lower portion of the elastic piece 13 is disposed as a wedge block 132.
  • the threaded slider 2 is correspondingly provided with a slope 23, as shown in FIG. 5 and FIG. The slope of the wedge block 132 is in contact with the slope 23 of the threaded slider 2.
  • the elastic piece 13 is axially disposed with respect to the sliding block 1.
  • the wedge block 132 at the lower portion of the elastic piece 13 is axially displaced and the radial displacement of the screw slider 2 is pressed to drive
  • At least two screw sliders 2 are relatively close together, so that the internal threads 21 of the at least two screw sliders 2 are engaged and fixed with the external threads of the screw.
  • the connecting portion 133 is integrally formed with the slider 1, as shown in FIGS. 1 and 2.
  • the threaded slider 2 is disposed in two pieces, and the two threaded sliders 2 are oppositely disposed, and the two elastic pieces 13 are correspondingly disposed on the sliding seat 1, and the two elastic pieces 13 are arranged.
  • the upper protrusion is pressed, the lower protruding screw slider 2 of the elastic piece 13 slides against the center of the sliding seat 1 to drive the two screw sliders 2 to be relatively close together.
  • the present invention further includes a locking cover 3, and the locking cover 3 is rotatably mounted on the sliding seat 1.
  • the inner side wall of the locking cover 3 is disposed.
  • the card block 31 has a corresponding card slot 14 disposed on the sliding block 1.
  • the latching block 31 of the locking cover 4 is limited and slidably disposed in the slot 14 of the sliding seat 1, that is, the locking block 31 of the locking cover 4 can be in the sliding seat.
  • the card slot 14 of one slides, and both ends of the card slot 14 restrict the sliding stroke of the card block 31.
  • a pressing block 32 is disposed on the inner side wall of the locking cover 3.
  • the outer side wall of the upper portion 13 of the elastic piece forms a flange 134 radially
  • the outer side wall of the lower portion of the elastic piece 13 radially forms a boss 135.
  • a retaining groove 136 is formed between the boss 135 and the flange 134, as shown in FIG. 5; in the case where the elastic piece 13 is not stressed, the pressing block 32 of the locking cover 3 interferes with the boss 135 of the elastic piece 13 and cannot When the locking cover 3 is rotated, the pressing block 32 of the locking cover 3 can be rotated through the positioning groove 136 under the condition that the locking pushing elastic piece 13 is forced downward, as shown in Figs.
  • the rotation locking cover 3 drives the pressing block 32 to push the lower portion of the elastic piece 13 or the lower portion of the elastic piece 13.
  • the screw slider 2 and the screw are screwed firmly.
  • a plurality of pushing blocks 33 are arranged on the inner side wall of the locking cover 3, which are arranged in four in the embodiment, and the rotating locking cover 3 drives the pushing block 33.
  • the screw slider 2 is pushed up or separated from the threaded slider 2, as shown in FIG. 8, when the pushing block 33 and the threaded slider 2 are pushed up, the threaded slider 2 and the screw are screwed more firmly.
  • Rotating the locking cover 3 urges the pushing block 33 and the threaded slider 2 to be close together toward the center to prevent the locking screw slider 2 from being separated.
  • the upper protrusion of the elastic piece 13 is continued, and the elastic piece 13 continues to be displaced axially, so that the lower part of the elastic piece 13 is further pushed to the center of the sliding block 1 to slide, that is, the screw is slippery.
  • the block 2 is further brought closer to the screw 4, driving the threaded slider 2 to be further brought closer together, thereby engaging the internal thread 21 of the two threaded sliders 2 with the external thread 41 of the screw 4.
  • the rotation locking cover 3 drives the pressing block 32 and the lower portion of the elastic piece 13 to be pushed up, and the screw slider 2 and the screw 4 are screwed firmly.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

一种快速安装螺母，包括滑座（1）和至少两螺牙滑块（2）；该至少两螺牙滑块分别设置内螺纹（21）并相对于滑座滑动设置，滑座上设置插孔（12）并对应该至少两螺牙滑块设置至少两弹片（13），该弹片上部凸起设置，弹片下部与螺牙滑块抵靠，该至少两弹片上部凸起受到挤压状态下，弹片下部推顶螺牙滑块靠滑座中心滑动，驱使至少两螺牙滑块相对靠拢。该快速安装螺母可以实现螺母快速安装和拆卸，且安装较为牢固，结构简单而节省成本。

Description

一种快速安装螺母 技术领域
本发明涉及螺母结构技术领域，尤其是指一种快速安装螺母。
背景技术
现有技术中，通常借助螺杆与螺母的配合进行固定，如在进水阀技术领域中，进水阀安装在进水箱中，在固定进水阀时，通常在进水阀的进水管上设置外螺纹，然后将螺母螺接在进水阀的进水管上，从而将进水阀固定。
所述安装螺母的缺陷在于：由于进水阀安装在进水箱中，而进水阀的空间较小，使得在螺接螺母时较为不方便，而无法将螺母进行快速安装；在螺接螺母时，螺母沿进水阀的进水管的外螺纹慢慢旋入，同样，在拆卸螺母，螺母反方向沿进水阀的进水管的外螺纹慢慢旋出，螺母旋入旋出的行程较长，无法快速安装和拆卸。同时，其它领域的螺杆与螺母配合也如此，使得无法快速安装和拆卸螺母。
有鉴于此，本发明研发一种克服所述缺陷的快速安装螺母，本案由此产生。
发明内容
本发明的目的在于提供一种快速安装螺母，以实现螺母快速安装和拆卸，且安装较为牢固，结构简单而节省成本。
为达成上述目的，本发明的解决方案为：
一种快速安装螺母，包括滑座和至少两螺牙滑块；该至少两螺牙滑块分别设置内螺纹并相对于滑座滑动设置，滑座上设置插孔并对应该至少两螺牙滑块设置至少两弹片，该弹片上部凸起设置，弹片下部与螺牙滑块抵靠，该至少两弹片上部凸起受到挤压状态下，弹片下部推顶螺牙滑块靠滑座中心滑动，驱使至少两螺牙滑块相对靠拢。
进一步，还包括锁紧盖，锁紧盖可转动安装在滑座上，锁紧盖的内侧壁上设置挤压块，弹片上部的外侧壁上径向形成凸缘，弹片下部的外侧壁径向形成凸台，凸台与凸缘之间形成让位槽；在弹片未受力情况下，锁紧盖的挤压块与弹片的凸台干涉而无法转动锁紧盖，在锁紧推动弹片受力向下移动时，使锁紧盖的挤压块通过让位槽能够旋转。
进一步，锁紧盖内侧壁上设置卡块，滑座上对应设置卡槽，锁紧盖的卡块限位并滑动设置在滑座的卡槽中。
进一步，锁紧盖内侧壁上设置多个推顶块，转动锁紧盖驱使推顶块与螺牙滑块向中心逼紧靠拢防止锁紧螺牙滑块分离。
进一步，弹片下部设置为楔形块，螺牙滑块上对应设置斜面，楔形块的斜面与螺牙滑块的斜面接触配合。
进一步，弹片相对于滑座轴向设置，弹片上部凸起受到挤压状态下，弹片下部的楔形块轴向位移并挤压螺牙滑块径向位移。
进一步，滑座上剖设容置槽，弹片置于该容置槽中，弹片的连接部与滑座一体成型。
进一步，螺牙滑块设置为两块，该两块螺牙滑块相对设置，滑座上对应设置两弹片，该两弹片上部凸起受到挤压状态下，弹片下部推顶螺牙滑块靠滑座中心滑动，驱使两螺牙滑块相对靠拢。
进一步，螺牙滑块通过滑块与滑槽的配合滑动设置在滑座上。
进一步，螺牙滑块上设置滑槽，滑座上对应设置滑块，滑座的滑块在螺牙滑块的滑槽中滑行。
采用上述方案后，本发明在与带外螺纹螺杆配合安装时，螺杆插入滑座的插孔中，滑座直接套接在螺杆上，滑座在螺杆上快速滑动，当滑座上的该至少两弹片的上部凸起接触障碍物时，弹片的上部凸起受到挤压发生位移，使得弹片下部推顶螺牙滑块靠滑座中心滑动，驱使至少两螺牙滑块相对靠拢，从而将该至少两螺牙滑块的内螺纹与螺杆的外螺纹啮合固定安装；拆卸螺母时，转动螺牙滑块带动滑座转动，解除弹片的挤压，从而解除对螺牙滑块的挤压，该至少两螺牙滑块分离，解除与螺杆外螺纹的啮合，滑座可直接取下，实现螺母快速安装和拆卸，且安装较为牢固，结构简单而节省成本。
同时，弹片上部的外侧壁上径向形成凸缘，弹片下部的外侧壁径向形成凸台，凸台与凸缘之间形成让位槽；在弹片未受力情况下，锁紧盖的挤压块与弹片的凸台干涉而无法转动锁紧盖，在弹片受力向下移动情况下，转动锁紧盖而锁紧盖的挤压块置于让位槽中并挤压弹片，而弹片挤压螺牙滑块与螺杆外螺纹锁紧，不至于滑牙。
附图说明
图1是本发明的立体组合图；
图2是本发明的立体分解图；
图3是本发明的局部分解图一；
图4是本发明的局部分解图二；
图5是本发明弹片未受挤压状态图；
图6是本发明弹片受挤压状态图；
图7是本发明弹片被锁紧盖的挤压块推顶示意图；
图7a是图7的局部放大图；
图8是本发明螺牙滑块被锁紧盖的推顶块推顶示意图；
图9是本发明套在螺杆上示意图；
图9a是图9的局部放大图；
图10是本发明套在螺杆上滑动至弹片受到挤压示意图；
图10a是图10的局部放大图；
图11是本发明与螺杆锁紧后的示意图；
图11a是图11的局部放大图。
标号说明
滑座1滑块11
插孔12弹片13
凸起部131楔形块132
连接部133凸缘134
凸台135让位槽136
卡槽14螺牙滑块2
内螺纹21滑槽22
锁紧盖3卡块31
挤压块32推顶块33
螺杆4外螺纹41
具体实施方式
以下结合附图及具体实施例对本发明做详细描述。
请参阅图1至图11a所述，本发明揭示的一种快速安装螺母，包括滑座1和至少两螺牙滑块2。
该至少两螺牙滑块2分别设置内螺纹21，该至少两螺牙滑块2相对于滑座2滑动设置，本实施例中，螺牙滑块2通过滑块与滑槽的配合滑动设置在滑座1上。如图3及图4所示，螺牙滑块2上设置滑槽22，滑座1上对应设置滑块11，滑座1的滑块11在螺牙滑块2的滑槽22中滑行。
滑座1上设置插孔12，该插孔12便于与螺杆套接。滑座1上对应该至少两螺牙滑块2设置至少两弹片13，该弹片13上部凸起设置，即弹片13上部为凸起部131，如图1及图2所示，弹片13下部与螺牙滑块2抵靠，本实施例中，弹片13下部设置为楔形块132，如图4所示，螺牙滑块2上对应设置斜面23，如图5及图6所示，弹片13的楔形块132的斜面与螺牙滑块2的斜面23接触配合。
该至少两弹片13上部凸起受到挤压状态下，弹片13下部推顶螺牙滑块2靠滑座1中心滑动，驱使至少两螺牙滑块2相对靠拢。
本实施例中，弹片13相对于滑座1轴向设置，弹片13上部凸起受到挤压状态下，弹片13下部的楔形块132轴向位移并挤压螺牙滑块2径向位移，驱使至少两螺牙滑块2相对靠拢，进而实现将该至少两螺牙滑块2的内螺纹21与螺杆的外螺纹啮合固定安装。
为使得弹片13的弹性较好，在受到挤压时发生轴向位移，而挤压解除时自动复位，滑座1上剖设容置槽，弹片13置于该容置槽中，弹片13的连接部133与滑座1一体成型，如图1及图2所示。
为使得螺牙滑块2滑动顺畅，本实施例中，螺牙滑块2设置为两块，该两块螺牙滑块2相对设置，滑座1上对应设置两弹片13，该两弹片13上部凸起受到挤压状态下，弹片13下部推顶螺牙滑块2靠滑座1中心滑动，驱使两螺牙滑块2相对靠拢。
为使得螺牙滑块2与螺杆螺接更为牢固，本发明还包括锁紧盖3，锁紧盖3可转动安装在滑座1上，本实施例中，锁紧盖3内侧壁上设置卡块31，滑座1上对应设置卡槽14，锁紧盖4的卡块31限位并滑动设置在滑座1的卡槽14中，即锁紧盖4的卡块31可以在滑座1的卡槽14中滑行，卡槽14的两端限制卡块31的滑动行程。
锁紧盖3的内侧壁上设置挤压块32，如图7及图7a所示，弹片上13部的外侧壁上径向形成凸缘134，弹片13下部的外侧壁径向形成凸台135，凸台135与凸缘134之间形成让位槽136，如图5所示；在弹片13未受力情况下，锁紧盖3的挤压块32与弹片13的凸台135干涉而无法转动锁紧盖3，在锁紧推动弹片13受力向下移动情况下，使锁紧盖3的挤压块32通过让位槽136中能够旋转，如图7及图7a所示。转动锁紧盖3驱使挤压块32与弹片13下部推顶或者与弹片13下部分离，挤压块32与弹片13下部推顶时，螺牙滑块2与螺杆螺接较为牢固。
为进一步使得螺牙滑块2与螺杆螺接更为牢固，锁紧盖3内侧壁上设置多个推顶块33，本实施例中设置为四个，转动锁紧盖3驱使推顶块33与螺牙滑块2推顶或者与螺牙滑块2分离，如图8所示，推顶块33与螺牙滑块2推顶时，螺牙滑块2与螺杆螺接更为牢固。转动锁紧盖3驱使推顶块33与螺牙滑块2向中心逼紧靠拢防止锁紧螺牙滑块2分离。
如图9至图11a所示，本发明在与带外螺纹41的螺杆4配合安装时，螺杆4插入滑座1的插孔12中，滑座1直接套接在螺杆4上，滑座1在螺杆4上快速滑动，如图9及图9a所示，此时，滑座1的弹片13未受挤压，螺牙滑块2远离螺杆4，螺牙滑块2的内螺纹21与螺杆4的外螺纹41未啮合，滑座1可以在螺杆4上快速滑动，直至弹片13的上部凸起顶到障碍物。
如图10及图10a所示，当滑座1上的弹片13的上部凸起接触障碍物时，弹片13的上部凸起受到挤压发生轴向位移，使得弹片13下部推顶螺牙滑块2靠滑座1中心滑动，即螺牙滑块2向螺杆4靠拢，驱使螺牙滑块2相对靠拢，从而将该两螺牙滑块2的内螺纹21与螺杆4的外螺纹41初步啮合。
如图11及图11a所示，继续挤压弹片13的上部凸起，弹片13继续发生轴向位移，使得弹片13下部进一步推顶螺牙滑块2靠滑座1中心滑动，即螺牙滑块2进一步向螺杆4靠拢，驱使螺牙滑块2进一步相对靠拢，从而将该两螺牙滑块2的内螺纹21与螺杆4的外螺纹41啮合。此时，转动锁紧盖3驱使挤压块32与弹片13下部推顶，螺牙滑块2与螺杆4螺接较为牢固。
以上所述仅为本发明的优选实施例，并非对本案设计的限制，凡依本案的设计关键所做的等同变化，均落入本案的保护范围。

Claims (10)

1、一种快速安装螺母，其特征在于：包括滑座和至少两螺牙滑块；该至少两螺牙滑块分别设置内螺纹并相对于滑座滑动设置，滑座上设置插孔并对应该至少两螺牙滑块设置至少两弹片，该弹片上部凸起设置，弹片下部与螺牙滑块抵靠，该至少两弹片上部凸起受到挤压状态下，弹片下部推顶螺牙滑块靠滑座中心滑动，驱使至少两螺牙滑块相对靠拢。
2、如权利要求1所述的一种快速安装螺母，其特征在于：还包括锁紧盖，锁紧盖可转动安装在滑座上，锁紧盖的内侧壁上设置挤压块，弹片上部的外侧壁上径向形成凸缘，弹片下部的外侧壁径向形成凸台，凸台与凸缘之间形成让位槽；在弹片未受力情况下，锁紧盖的挤压块与弹片的凸台干涉而无法转动锁紧盖，在锁紧推动弹片受力向下移动时，使锁紧盖的挤压块通过让位槽能够旋转。
3、如权利要求2所述的一种快速安装螺母，其特征在于：锁紧盖内侧壁上设置卡块，滑座上对应设置卡槽，锁紧盖的卡块限位并滑动设置在滑座的卡槽中。
4、如权利要求2所述的一种快速安装螺母，其特征在于：锁紧盖内侧壁上设置多个推顶块，转动锁紧盖驱使推顶块与螺牙滑块向中心逼紧靠拢防止锁紧螺牙滑块分离。
5、如权利要求1所述的一种快速安装螺母，其特征在于：弹片下部设置为楔形块，螺牙滑块上对应设置斜面，楔形块的斜面与螺牙滑块的斜面接触配合。
6、如权利要求5所述的一种快速安装螺母，其特征在于：弹片相对于滑座轴向设置，弹片上部凸起受到挤压状态下，弹片下部的楔形块轴向位移并挤压螺牙滑块径向位移。
7、如权利要求1所述的一种快速安装螺母，其特征在于：滑座上剖设容置槽，弹片置于该容置槽中，弹片的连接部与滑座一体成型。
8、如权利要求1所述的一种快速安装螺母，其特征在于：螺牙滑块设置为两块，该两块螺牙滑块相对设置，滑座上对应设置两弹片，该两弹片上部凸起受到挤压状态下，弹片下部推顶螺牙滑块靠滑座中心滑动，驱使两螺牙滑块相对靠拢。
9、如权利要求1所述的一种快速安装螺母，其特征在于：螺牙滑块通过滑块与滑槽的配合滑动设置在滑座上。
10、如权利要求9所述的一种快速安装螺母，其特征在于：螺牙滑块上设置滑槽，滑座上对应设置滑块，滑座的滑块在螺牙滑块的滑槽中滑行。
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