CN209662585U - Suggestion device is used in a kind of practice of dancing profession - Google Patents
Suggestion device is used in a kind of practice of dancing profession Download PDFInfo
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- CN209662585U CN209662585U CN201920256309.5U CN201920256309U CN209662585U CN 209662585 U CN209662585 U CN 209662585U CN 201920256309 U CN201920256309 U CN 201920256309U CN 209662585 U CN209662585 U CN 209662585U
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Abstract
本实用新型涉及舞蹈专业练习技术领域，且公开了一种舞蹈专业练习用提示装置，包括底座，所述底座的下表面固定连接有支撑腿，所述底座左端的中部开设有固定孔，所述固定孔的内部固定连接有支撑杆，所述支撑杆的中部开设有移动孔。该舞蹈专业练习用提示装置，通过设置了第一正反电机、螺纹杆、螺母、限位块和限位槽，使得第一正反电机带动螺纹杆转动，第一正反电机在限位块的阻隔下上下移动，通过螺纹杆带动提示座上下移动，调节高度，使用更加方便，通过设置了横板、伸缩杆、滑动槽和滑轮，使得伸缩杆向上移动带动滑轮向上移动，滑动在滑动槽内部滑动的同时推动提示座右端向上移动，从而使得提示座的角度可以调节。
The utility model relates to the technical field of dance professional practice, and discloses a prompting device for dance professional practice, comprising a base, the lower surface of the base is fixedly connected with supporting legs, and the middle part of the left end of the base is provided with a fixing hole. A support rod is fixedly connected to the inside of the fixing hole, and a moving hole is opened in the middle of the support rod. The prompting device for dance professional practice is provided with a first positive and negative motor, a threaded rod, a nut, a limit block and a limit groove, so that the first positive and negative motor drives the threaded rod to rotate, and the first positive and negative motor drives the threaded rod to rotate at the limit block. Moving up and down under the barrier, the threaded rod drives the prompt seat to move up and down, adjusts the height, and is more convenient to use. By setting the horizontal plate, telescopic rod, sliding groove and pulley, the telescopic rod moves upward to drive the pulley to move upward, sliding in the sliding groove While sliding inside, push the right end of the reminder seat to move upwards, so that the angle of the reminder seat can be adjusted.
Description
技术领域technical field
本实用新型涉及舞蹈专业练习技术领域，具体为一种舞蹈专业练习用提示装置。The utility model relates to the technical field of dance professional practice, in particular to a prompting device for dance professional practice.
背景技术Background technique
舞蹈是一种表演艺术，使用身体来完成各种优雅或高难度的动作，一般有音乐伴奏，以有节奏的动作为主要表现手段的艺术形式。它一般借助音乐，也借助其他的道具，舞蹈本身有多元的社会意义及作用，包括运动、社交、祭祀和礼仪等。要想学好舞蹈，需要进行一定的专业练习，在进行专业练习的时候，需要使用提示装置提醒舞者动作，现有的绝大多数提示装置都是固定不动的，无法根据舞者的身高和放置位置进行高度和角度的调节，容易导致提示装置看不清，使用效果差。Dance is a performing art that uses the body to complete various elegant or difficult movements, usually with musical accompaniment, and is an art form with rhythmic movements as the main means of expression. It generally uses music and other props. Dance itself has multiple social meanings and functions, including sports, social interaction, sacrifice and etiquette. If you want to learn to dance well, you need to carry out certain professional exercises. When performing professional exercises, you need to use prompting devices to remind dancers to move. Most of the existing prompting devices are fixed and cannot be adjusted according to the height and height of dancers. Adjusting the height and angle of the placement position will easily cause the prompting device to be unclear and the use effect will be poor.
实用新型内容Utility model content
(一)解决的技术问题(1) Solved technical problems
针对现有技术的不足，本实用新型提供了一种舞蹈专业练习用提示装置，解决了提示装置不能进行高度和角度调节的问题。Aiming at the deficiencies of the prior art, the utility model provides a prompting device for dance professional practice, which solves the problem that the prompting device cannot be adjusted in height and angle.
(二)技术方案(2) Technical solution
为实现上述目的，本实用新型提供如下技术方案：一种舞蹈专业练习用提示装置，包括底座，所述底座的下表面固定连接有支撑腿，所述底座左端的中部开设有固定孔，所述固定孔的内部固定连接有支撑杆，所述支撑杆的中部开设有移动孔，所述移动孔顶端的内壁固定连接有螺母，所述螺母的内壁螺纹连接有螺纹杆，所述螺纹杆的底端延伸至移动孔的内部并与第一正反电机的输出轴固定连接，所述第一正反电机中部的侧面固定连接有限位块，所述移动孔内部的侧面开设有限位槽，所述限位块远离第一正反电机一端的表面与限位槽的内部滑动连接，所述螺纹杆的顶端延伸至支撑杆的上方并固定连接有铰接座，所述铰接座远离螺纹杆的一侧面固定连接有提示座，所述提示座的下表面开设有滑动槽，所述螺纹杆顶端的右侧面固定连接有横板，所述横板的上表面固定连接有伸缩杆，所述伸缩杆的顶端活动铰接有滑轮，所述底座右端的内部开设有空腔，所述空腔内部的左侧面固定连接有第二正反电机，所述第二正反电机的输出轴固定连接有转动杆，所述空腔内部的右侧面固定连接有轴承，所述轴承的内壁与转动杆右端的表面固定连接，所述转动杆中部的表面固定套接有收线辊，所述收线辊的表面固定连接有牵引绳，所述牵引绳远离收线辊的一端延伸至底座的外部并与提示座的下表面固定连接。In order to achieve the above object, the utility model provides the following technical solutions: a prompting device for dance professional practice, including a base, the lower surface of the base is fixedly connected with supporting legs, and the middle part of the left end of the base is provided with a fixing hole. The inside of the fixed hole is fixedly connected with a support rod, the middle part of the support rod is provided with a moving hole, the inner wall at the top of the moving hole is fixedly connected with a nut, the inner wall of the nut is threadedly connected with a threaded rod, and the bottom of the threaded rod The end extends to the inside of the moving hole and is fixedly connected with the output shaft of the first reversible motor, the side of the middle part of the first reversible motor is fixedly connected with a limiting block, and the side of the moving hole is provided with a limiting groove. The surface of the limit block away from the end of the first positive and negative motor is slidably connected to the inside of the limit groove, and the top end of the threaded rod extends above the support rod and is fixedly connected with a hinge seat, and the hinge seat is away from a side of the thread rod A reminder seat is fixedly connected, the lower surface of the reminder seat is provided with a sliding groove, the right side of the top of the threaded rod is fixedly connected with a horizontal plate, the upper surface of the horizontal plate is fixedly connected with a telescopic rod, and the telescopic rod A pulley is movably hinged at the top of the base, a cavity is opened inside the right end of the base, a second positive and negative motor is fixedly connected to the left side of the cavity, and the output shaft of the second positive and negative motor is fixedly connected to a rotating Rod, the right side of the inside of the cavity is fixedly connected with a bearing, the inner wall of the bearing is fixedly connected with the surface of the right end of the rotating rod, the surface of the middle part of the rotating rod is fixedly sleeved with a take-up roller, and the take-up roller The surface of the traction rope is fixedly connected with a traction rope, and the end of the traction rope away from the take-up roller extends to the outside of the base and is fixedly connected with the lower surface of the prompt seat.
优选的，所述支撑腿的数量为四个，且四个支撑腿分别设置在底座下表面的四角。Preferably, the number of the supporting legs is four, and the four supporting legs are respectively arranged at four corners of the lower surface of the base.
优选的，所述限位块和限位槽的数量均为两个，且两个限位块以第一正反电机的垂直中线为对称轴对称设置在第一正反电机的两侧面。Preferably, there are two limit blocks and two limit slots, and the two limit blocks are symmetrically arranged on both sides of the first reversible motor with the vertical midline of the first reversible motor as the axis of symmetry.
优选的，所述滑轮的表面与滑动槽的内部滑动连接。Preferably, the surface of the pulley is in sliding connection with the inside of the sliding groove.
优选的，所述牵引绳活动缠绕在收线辊的表面。Preferably, the traction rope is movably wound on the surface of the take-up roller.
优选的，所述提示座上表面的中部固定镶嵌有提示屏。Preferably, a prompt screen is fixedly embedded in the middle of the upper surface of the prompt seat.
(三)有益效果(3) Beneficial effects
与现有技术相比，本实用新型提供了一种舞蹈专业练习用提示装置，具备以下有益效果：Compared with the prior art, the utility model provides a prompting device for dance professional practice, which has the following beneficial effects:
1、该舞蹈专业练习用提示装置，通过设置了第一正反电机、螺纹杆、螺母、限位块和限位槽，使得第一正反电机带动螺纹杆转动，第一正反电机在限位块的阻隔下上下移动，通过螺纹杆带动提示座上下移动，调节高度，使用更加方便。1. The prompting device for dance professional practice is provided with the first positive and negative motor, threaded rod, nut, limit block and limit groove, so that the first positive and negative motor drives the threaded rod to rotate, and the first positive and negative motor drives the threaded rod to rotate. The block moves up and down, and the threaded rod drives the prompt seat to move up and down to adjust the height, which is more convenient to use.
2、该舞蹈专业练习用提示装置，通过设置了横板、伸缩杆、滑动槽和滑轮，使得伸缩杆向上移动带动滑轮向上移动，滑动在滑动槽内部滑动的同时推动提示座右端向上移动，从而使得提示座的角度可以调节。2. The prompting device for dance professional practice is provided with a horizontal plate, a telescopic rod, a sliding groove and a pulley, so that the upward movement of the telescopic rod drives the pulley to move upward, and the right end of the prompting seat is pushed upward while sliding inside the sliding groove, thereby The angle of the prompt seat can be adjusted.
3、该舞蹈专业练习用提示装置，通过设置了第二正反电机、转动杆、收线辊和牵引绳，使得第二正反电机通过转动杆带动收线辊转动，收线辊对牵引绳进行缠绕，带动提示座右端向下移动，从而使得提示座向下的调节更加方便，使用效果好。3. The prompting device for dance professional practice is provided with a second positive and negative motor, a rotating rod, a take-up roller and a pull rope, so that the second positive and negative motor drives the take-up roller to rotate through the rotating rod, and the take-up roller is opposite to the pull rope. Winding drives the right end of the prompt seat to move downward, so that the downward adjustment of the prompt seat is more convenient and the use effect is good.
附图说明Description of drawings
图1为本实用新型结构正视图；Fig. 1 is a front view of the structure of the utility model;
图2为本实用新型结构正剖图；Fig. 2 is a front sectional view of the structure of the utility model;
图3为本实用新型支撑杆结构正剖图；Fig. 3 is the front sectional view of the structure of the support rod of the utility model;
图4为本实用新型结构侧视图。Fig. 4 is a side view of the structure of the utility model.
图中：1底座、2支撑腿、3固定孔、4支撑杆、5移动孔、6螺母、7螺纹杆、8第一正反电机、9限位块、10限位槽、11铰接座、12提示座、13滑动槽、14滑轮、15横板、16伸缩杆、17空腔、18第二正反电机、19转动杆、20轴承、21收线辊、22牵引绳、23提示屏。In the figure: 1 base, 2 supporting legs, 3 fixing holes, 4 supporting rods, 5 moving holes, 6 nuts, 7 threaded rods, 8 first positive and negative motors, 9 limiting blocks, 10 limiting slots, 11 hinged seats, 12 prompt seat, 13 slide groove, 14 pulley, 15 horizontal plate, 16 telescopic rod, 17 cavity, 18 second forward and reverse motors, 19 rotating rod, 20 bearing, 21 take-up roller, 22 traction rope, 23 prompt screen.
具体实施方式Detailed ways
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.
请参阅图1-4，一种舞蹈专业练习用提示装置，包括底座1，底座1的下表面固定连接有支撑腿2，支撑腿2的数量为四个，且四个支撑腿2分别设置在底座1下表面的四角，四个支撑腿2使得底座1放置更加稳固，底座1左端的中部开设有固定孔3，固定孔3的内部固定连接有支撑杆4，支撑杆4的中部开设有移动孔5，移动孔5顶端的内壁固定连接有螺母6，螺母6的内壁螺纹连接有螺纹杆7，螺纹杆7的底端延伸至移动孔5的内部并与第一正反电机8的输出轴固定连接，第一正反电机8中部的侧面固定连接有限位块9，移动孔5内部的侧面开设有限位槽10，限位块9远离第一正反电机8一端的表面与限位槽10的内部滑动连接，限位块9和限位槽10的数量均为两个，且两个限位块9以第一正反电机8的垂直中线为对称轴对称设置在第一正反电机8的两侧面，从左右两边对第一正反电机8进行限位固定，使得第一正反电机8无法转动，螺纹杆7的顶端延伸至支撑杆4的上方并固定连接有铰接座11，设置了第一正反电机8、螺纹杆7、螺母6、限位块9和限位槽10，使得第一正反电机8带动螺纹杆7转动，第一正反电机8在限位块9的阻隔下上下移动，通过螺纹杆7带动提示座12上下移动，调节高度，使用更加方便，铰接座11远离螺纹杆7的一侧面固定连接有提示座12，提示座12上表面的中部固定镶嵌有提示屏23，使得提示座12可以带动提示屏23调节，通过提示屏23可以对舞者进行提示，提示座12的下表面开设有滑动槽13，螺纹杆7顶端的右侧面固定连接有横板15，横板15的上表面固定连接有伸缩杆16，伸缩杆16的顶端活动铰接有滑轮14，滑轮14的表面与滑动槽13的内部滑动连接，使得滑轮14可以在滑动槽13内部滑动，从而带动提示座12转动，调节角度，设置了横板15、伸缩杆16、滑动槽13和滑轮14，使得伸缩杆16向上移动带动滑轮14向上移动，滑动14在滑动槽13内部滑动的同时推动提示座12右端向上移动，从而使得提示座12的角度可以调节，底座1右端的内部开设有空腔17，空腔17内部的左侧面固定连接有第二正反电机18，第二正反电机18的输出轴固定连接有转动杆19，空腔17内部的右侧面固定连接有轴承20，轴承20的内壁与转动杆19右端的表面固定连接，转动杆19中部的表面固定套接有收线辊21，收线辊21的表面固定连接有牵引绳22，牵引绳22活动缠绕在收线辊21的表面，使得收线辊21转动对牵引绳22进行收放，牵引绳22远离收线辊21的一端延伸至底座1的外部并与提示座12的下表面固定连接，设置了第二正反电机18、转动杆19、收线辊21和牵引绳22，使得第二正反电机18通过转动杆19带动收线辊21转动，收线辊21对牵引绳22进行缠绕，带动提示座12右端向下移动，从而使得提示座12向下的调节更加方便，使用效果好。Please refer to Figure 1-4, a prompting device for professional dance practice, including a base 1, the lower surface of the base 1 is fixedly connected with supporting legs 2, the number of supporting legs 2 is four, and the four supporting legs 2 are respectively arranged on The four corners of the lower surface of the base 1, four support legs 2 make the base 1 more stable, the middle part of the left end of the base 1 is provided with a fixing hole 3, the inside of the fixing hole 3 is fixedly connected with a support rod 4, and the middle part of the support rod 4 is provided with a movable Hole 5, the inner wall of moving hole 5 tops is fixedly connected with nut 6, and the inner wall of nut 6 is threadedly connected with threaded rod 7, and the bottom end of threaded rod 7 extends to the inside of moving hole 5 and connects with the output shaft of the first positive and negative motor 8. Fixedly connected, the side of the middle part of the first positive and negative motor 8 is fixedly connected with the limiting block 9, the side of the moving hole 5 is provided with a limiting groove 10, and the limiting block 9 is far away from the surface at one end of the first positive and negative motor 8 and the limiting groove 10 The internal sliding connection, the quantity of the limit block 9 and the limit groove 10 are two, and the two limit blocks 9 are symmetrically arranged on the first positive and negative motor 8 with the vertical midline of the first positive and negative motor 8 as the symmetrical axis. The two sides of the first positive and negative motor 8 are limited and fixed from the left and right sides, so that the first positive and negative motor 8 cannot rotate, and the top of the threaded rod 7 extends to the top of the support rod 4 and is fixedly connected with a hinged seat 11. The first positive and negative motor 8, the threaded rod 7, the nut 6, the limit block 9 and the limit groove 10 are provided, so that the first positive and negative motor 8 drives the threaded rod 7 to rotate, and the first positive and negative motor 8 is positioned at the position of the limit block 9. Move up and down under the barrier, drive the prompting seat 12 to move up and down through the threaded rod 7, adjust the height, and use more conveniently. The side of the hinged seat 11 away from the threaded rod 7 is fixedly connected with the prompting seat 12, and the middle part of the upper surface of the prompting seat 12 is fixed. Prompt screen 23, make prompt seat 12 can drive prompt screen 23 to adjust, dancer can be prompted by prompt screen 23, the lower surface of prompt seat 12 offers slide groove 13, and the right side of threaded rod 7 tops is fixedly connected with horizontal Plate 15, the upper surface of horizontal plate 15 is fixedly connected with telescoping rod 16, and the top of telescoping rod 16 is articulated with pulley 14, and the surface of pulley 14 is connected with sliding inside sliding groove 13, so that pulley 14 can slide inside sliding groove 13 , so as to drive the prompt seat 12 to rotate, adjust the angle, set the horizontal plate 15, telescopic rod 16, slide groove 13 and pulley 14, so that the upward movement of the telescopic rod 16 drives the pulley 14 to move upward, and the slide 14 slides inside the slide groove 13 while Promote prompting seat 12 right-hand side to move upwards, thereby the angle of prompting seat 12 can be adjusted, and the inside of base 1 right-hand end is provided with cavity 17, and the left side of cavity 17 inside is fixedly connected with second positive and negative motor 18, and the second positive The output shaft of the anti-motor 18 is fixedly connected with a rotating rod 19, the right side of the cavity 17 is fixedly connected with a bearing 20, the inner wall of the bearing 20 is fixedly connected with the surface of the right end of the rotating rod 19, and the surface of the middle part of the rotating rod 19 is fixedly sleeved. There is a take-up roller 21, the surface of the take-up roller 21 is fixedly connected with a traction rope 22, and the traction rope 22 is movably wound on the surface of the take-up roller 21, so that the take-up roller 21 rotates to the traction rope 22. Retractable, the traction rope 22 extends away from the end of the take-up roller 21 to the outside of the base 1 and is fixedly connected with the lower surface of the prompt seat 12, and the second positive and negative motor 18, the rotating rod 19, the take-up roller 21 and the traction rope are arranged. 22, so that the second positive and negative motor 18 drives the take-up roller 21 to rotate through the rotating rod 19, the take-up roller 21 winds the traction rope 22, and drives the right end of the prompt seat 12 to move downward, so that the downward adjustment of the prompt seat 12 is more accurate It is convenient and effective in use.
该文中出现的电器元件均与外界的主控器及220V市电电连接，并且主控器可为计算机等起到控制的常规已知设备。The electrical components appearing in this article are all connected with the external main controller and 220V mains electricity, and the main controller can be a conventional known device that plays a control such as a computer.
在使用时，当需要对提示座12的高度进行调节时，启动第一正反电机8，第一正反电机8带动螺纹杆7转动，螺纹杆7表面的螺纹与螺母6内壁的螺纹发生错位，螺纹杆7向上移动，第一正反电机8表面固定连接的限位块9在限位槽10的阻隔下，使得第一正反电机8无法转动，只能随螺纹杆7的转动而上下移动，螺纹杆7通过铰接座11带动提示座12向上移动，调节高度，当需要对提示座12进行角度调节时，启动伸缩杆16，伸缩杆16带动滑轮14向上移动，滑轮14通过滑动槽13推动提示座12右端向上转动，带动显示屏23向左偏移，当需要将显示屏23向右偏移时，关闭伸缩杆16，启动第二正反电机18，第二正反电机18带动转动杆19转动，转动杆19带动收线辊21转动，收线辊21带动牵引绳22缠绕在其表面，通过牵引绳22带动提示座12的右端向下转动，从而带动显示屏23向右偏移。When in use, when the height of the prompt seat 12 needs to be adjusted, start the first reversible motor 8, the first reversible motor 8 drives the threaded rod 7 to rotate, and the threads on the surface of the threaded rod 7 and the threads on the inner wall of the nut 6 are misaligned , the threaded rod 7 moves upward, and the limit block 9 fixedly connected to the surface of the first positive and negative motor 8 is blocked by the limit groove 10, so that the first positive and negative motor 8 cannot rotate, and can only move up and down with the rotation of the threaded rod 7 Move, the threaded rod 7 drives the prompt seat 12 to move upward through the hinge seat 11, and adjusts the height. When the angle of the prompt seat 12 needs to be adjusted, the telescopic rod 16 is started, and the telescopic rod 16 drives the pulley 14 to move upward, and the pulley 14 passes through the sliding groove 13 Push the right end of the reminder seat 12 to rotate upwards, and drive the display screen 23 to shift to the left. When it is necessary to shift the display screen 23 to the right, close the telescopic rod 16, start the second positive and negative motor 18, and the second positive and negative motor 18 drives the rotation The rod 19 rotates, and the rotating rod 19 drives the take-up roller 21 to rotate, and the take-up roller 21 drives the traction rope 22 to be wound on its surface, and the right end of the prompt seat 12 is driven to rotate downward by the traction rope 22, thereby driving the display screen 23 to shift to the right .
综上所述，该舞蹈专业练习用提示装置，通过设置了第一正反电机8、螺纹杆7、螺母6、限位块9和限位槽10，使得第一正反电机8带动螺纹杆7转动，第一正反电机8在限位块9的阻隔下上下移动，通过螺纹杆7带动提示座12上下移动，调节高度，使用更加方便，通过设置了横板15、伸缩杆16、滑动槽13和滑轮14，使得伸缩杆16向上移动带动滑轮14向上移动，滑动14在滑动槽13内部滑动的同时推动提示座12右端向上移动，从而使得提示座12的角度可以调节，通过设置了第二正反电机18、转动杆19、收线辊21和牵引绳22，使得第二正反电机18通过转动杆19带动收线辊21转动，收线辊21对牵引绳22进行缠绕，带动提示座12右端向下移动，从而使得提示座12向下的调节更加方便，使用效果好，解决了提示装置不能进行高度和角度调节的问题。In summary, the prompting device for dance professional practice is provided with the first positive and negative motor 8, the threaded rod 7, the nut 6, the limit block 9 and the limit groove 10, so that the first positive and negative motor 8 drives the threaded rod 7 rotates, and the first forward and reverse motor 8 moves up and down under the barrier of the limit block 9, drives the prompt seat 12 to move up and down through the threaded rod 7, adjusts the height, and is more convenient to use. Groove 13 and pulley 14, make expansion rod 16 move up and drive pulley 14 to move upwards, slide 14 pushes prompt seat 12 right-hand side to move upwards while sliding groove 13 interior slides, thereby makes the angle of prompt seat 12 adjustable, by setting the first Two positive and negative motors 18, rotating rod 19, take-up roller 21 and traction rope 22 make the second positive and negative motor 18 drive the take-up roller 21 to rotate through the rotating rod 19, and the take-up roller 21 winds the traction rope 22 to drive the prompt The right end of the seat 12 moves downwards, thereby making the downward adjustment of the prompting seat 12 more convenient, and the use effect is good, which solves the problem that the prompting device cannot be adjusted in height and angle.
需要说明的是，在本文中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. any such actual relationship or order exists between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device.
尽管已经示出和描述了本实用新型的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本实用新型的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本实用新型的范围由所附权利要求及其等同物限定。Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.
Claims (6)
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