WO2022156244A1 - 一种转动收叠报紧的健身中心扶手 - Google Patents
一种转动收叠报紧的健身中心扶手 Download PDFInfo
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- WO2022156244A1 WO2022156244A1 PCT/CN2021/118634 CN2021118634W WO2022156244A1 WO 2022156244 A1 WO2022156244 A1 WO 2022156244A1 CN 2021118634 W CN2021118634 W CN 2021118634W WO 2022156244 A1 WO2022156244 A1 WO 2022156244A1
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- eccentric
- eccentric block
- ring
- tooth plate
- handrail
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- 230000000903 blocking effect Effects 0.000 claims description 21
- 238000009434 installation Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
- A63B22/02—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable endless bands, e.g. treadmills
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
Definitions
- the invention relates to the technical field of fitness equipment, in particular to a fitness center armrest that rotates and folds to report tightness.
- the fitness center is a new type of fitness equipment concept, which leads the design of a variety of fitness equipment to create a full-scale home fitness equipment integration center.
- the purpose of the present invention is to provide a fitness center armrest that can be rotated and folded to report tightness, and the holding device is combined with the armrest, so that the armrest is automatically locked after being rotated on the fitness center, the locking is reliable, and the use is convenient.
- the solution of the present invention is: a kind of handrail of fitness center that rotates, folds and reports tight, including handrail, frame, driving device and holding device, and two sides of the frame are respectively fixed and installed with a described holding device.
- each of the gripping devices is rotatably mounted with a handrail
- the driving device is arranged on the handrail
- the gripping device is provided with a first shaft hole for connecting the output shaft of the driving device , after the driving device drives the handrail to rotate relative to the frame, the handrail is held and fixed by the holding device.
- the holding device includes a fixed tooth plate, an eccentric block, an eccentric retaining ring, an inner tooth ring, a circlip, a movable tooth plate and a closed ring, and the fixed tooth plate is disc-shaped.
- a second shaft hole is provided in the axial middle of the fixed tooth plate, a first concave cavity is concave inward on one side of the fixed tooth plate in the thickness direction, and a convex cavity is provided on the other side of the fixed tooth plate in the thickness direction.
- a ring gear is formed on the inner circumferential wall of the first cavity, and the second shaft hole faces a portion of the first cavity.
- An eccentric block seat is protruded on the side; the eccentric block includes a first eccentric block and a second eccentric block.
- a pair of first blocking grooves are formed on the outer ring of the block, a first eccentric hole is formed in the middle of the first eccentric block, and one end of the first eccentric hole is provided with a first snap groove, and the second eccentric block is provided with a first circlip groove.
- a pair of second blocking grooves are formed on the outer ring, the positions of the pair of second blocking grooves correspond to the positions of the pair of first blocking grooves, and there is a second blocking groove corresponding to the position of the first eccentric hole in the middle of the second eccentric block.
- An eccentric hole, one end of the second eccentric hole is provided with a second spring groove, the second spring groove has the same shape as the first spring groove, and the position is partially overlapped and partially divergent.
- the first eccentric block and the second eccentric block are respectively sleeved on the eccentric block seat through their respective first eccentric holes and second eccentric holes;
- the first shaft hole is opened in the middle of the axial direction, a pair of eccentric blocks are protruded on one side of the eccentric retaining ring in the thickness direction, and an eccentric shaft seat is protruded on the side of the first shaft hole facing the eccentric block.
- the eccentric shaft seat is placed in the second shaft hole of the fixed tooth plate, and a pair of eccentric blocks are placed in the first eccentric block and the second eccentric block.
- the inner gear ring is annular, and a third shaft hole is arranged in the axial middle of the inner gear ring, and the inner gear ring is provided with a third shaft hole.
- the radial outer circumferential wall of the ring is provided with inner teeth for engaging with the gear ring;
- the circlip is in the shape of a circular ring, and the open end of the circlip is formed with a pair of grooves for engaging with the first circlip A snap-spring foot hooked with the second snap-ring groove;
- the movable toothed plate is disc-shaped, and a fourth shaft hole is opened in the axial middle of the movable toothed plate, and the movable toothed plate is in the thickness direction of the movable toothed plate.
- a second concave cavity is concave inward on one side surface, and a group of second connecting bosses for connecting with the handrail are protruded outward on the other side surface in the thickness direction of the movable tooth plate.
- the inner circumferential wall of the second cavity is provided with tooth grooves for engaging with the inner teeth; the closed ring is enclosed on the outer periphery of the fixed tooth plate and the movable tooth plate.
- the number of teeth of the internal teeth is smaller than the number of teeth on the ring gear of the fixed tooth plate.
- a bushing is fixed in the third shaft hole of the inner gear ring.
- the driving device is a combination of a motor and a deceleration component or a transmission component, or the driving device is a motor capable of outputting high torque, or the driving device is a rotating hand wheel.
- the driving device is a combination of a motor and a transmission assembly, the driving device is arranged inside the handrail, and the driving device includes a driving motor, a gear set and an output shaft.
- the motor shaft is connected to the gear set, the output shaft is arranged on the gear set, and the drive motor drives the output shaft to rotate through the gear set.
- an installation box is provided on each side of the frame, the end of the installation box protrudes from the frame, and the end of the installation box is used to fix the holding device.
- a rotating shaft is connected between the two handrails.
- the beneficial effects of the present invention are: the feature of the present invention is that a gripping device is adopted on the armrest, and the gripping device can be designed as an electric type or a manual type, and has wide versatility. , The holding device can make the armrest automatically lock after rotating on the fitness center, no need to set other locks to fix the angle, it is very convenient to use, and the structure of the holding device is precise, making the locking effect accurate and reliable.
- FIG. 1 is a schematic diagram of the overall structure of a fitness center before the armrests are rotated according to an embodiment of the present invention
- FIG. 2 is a schematic diagram of the overall structure of the fitness center after the armrests are rotated and held tightly according to an embodiment of the present invention
- FIG 3 is a schematic structural diagram of an armrest and a holding device according to an embodiment of the present invention (after the casing of the installation box is hidden);
- FIG. 4 is a schematic structural diagram of a driving device according to an embodiment of the present invention (after the casing of the installation box is hidden);
- FIG. 5 is an exploded schematic diagram 1 of a gripping device according to an embodiment of the present invention.
- FIG. 6 is a second exploded schematic view of a gripping device according to an embodiment of the present invention.
- Handrail 1 frame 2, installation box 21, drive device 3, drive motor 31, gear set 32, output shaft 33, holding device 4, fixed tooth plate 41, second shaft hole 411, first cavity 412, first The connecting boss 413, the ring gear 414, the eccentric block seat 415, the eccentric block 42, the first eccentric block 421, the first spring groove 4211, the first blocking groove 4212, the first eccentric hole 4213, the second eccentric block 422, the first Two circlip grooves 4221, second retaining grooves 4222, second eccentric holes 4223, eccentric retaining rings 43, eccentric stoppers 431, eccentric shaft seats 432, first shaft holes 433, giving way grooves 434, bushings 435, internal teeth Ring 44, inner tooth 441, third shaft hole 442, circlip 45, circlip foot 451, movable tooth plate 46, fourth shaft hole 461, second cavity 462, tooth slot 463, second connection boss 464, Closed ring 47 , shaft 5 .
- the present invention provides a fitness center armrest that can be rotated, folded, and tightened.
- a fitness center armrest that can be rotated, folded, and tightened.
- it includes an armrest 1, a frame 2, a driving device 3 and a gripping device 4.
- Two sides of the frame 2 are fixedly installed with a
- Each of the gripping devices 4 is rotatably mounted with a handrail 1
- the driving device 3 is arranged on the handrail 1
- the gripping device 4 is provided with a
- the output shaft 33 of the drive device 3 is connected to the first shaft hole 433 . After the drive device 3 drives the handrail 1 to rotate relative to the frame 2 , the gripping device 4 is used to tighten and fix it.
- two sides of the frame 2 are provided with an installation box 21 , the end of the installation box 21 protrudes from the frame 2 , and the end of the installation box 21 is used to fix the holding device 4 .
- the holding device 4 includes a fixed toothed plate 41 , an eccentric block 42 , an eccentric retaining ring 43 , an inner toothed ring 44 , a retaining spring 45 , a movable toothed plate 46 and a closed ring 47 .
- the fixed tooth plate 41 is disc-shaped, a second shaft hole 411 is opened in the axial middle of the fixed tooth plate 41, and a first cavity 412 is recessed inward on one side of the fixed tooth plate 41 in the thickness direction.
- the first concave cavity 412 is used for accommodating the eccentric block 42 and the inner gear ring 44 , and a set of first connecting bosses for connecting with the frame 2 are protruded outward from the other side surface of the fixed tooth plate 41 in the thickness direction. 413, the number of a group of first connecting bosses 413 given in the figure is six, but the number is not limited by this embodiment;
- the ring gear 414 has an eccentric block seat 415 protruding on the side of the second shaft hole 411 facing the first concave cavity 412 .
- the eccentric block 42 includes a first eccentric block 421 and a second eccentric block 422 .
- the first eccentric block 421 and the second eccentric block 422 have the same shape, both of which are annular, and are located outside the first eccentric block 421 .
- a pair of first blocking grooves 4212 are formed on the ring
- a first eccentric hole 4213 is formed in the middle of the first eccentric block 421, and one end of the first eccentric hole 4213 is provided with a first snap groove 4211, and the first snap groove 4211
- the shape of the eccentric block 422 is not limited in any way, the shape shown in this example is a dovetail groove
- a pair of second blocking grooves 4222 are formed on the outer ring of the second eccentric block 422, a pair of second blocking grooves 4222 and a pair of first blocking grooves 4222
- the position of the blocking groove 4212 corresponds to the position of the second eccentric block 422.
- the second eccentric hole 4223 is a second eccentric hole 4223 in the middle of the second eccentric block 422, which corresponds to the position of the first eccentric hole 4213.
- One end of the second eccentric hole 4223 is provided with a second spring groove 4221.
- the second circlip groove 4221 has the same shape as the first circlip groove 4211, and the positions are partially overlapped and partially staggered.
- the first eccentric block 421 and the second eccentric block 422 are respectively The first eccentric hole 4213 and the second eccentric hole 4223 are sleeved on the eccentric block seat 415.
- the first eccentric block 421 and the second eccentric block 422 of the eccentric block 42 are arranged in an overlapping manner, so that the A pair of first blocking grooves 4212 on the first eccentric block 421 are aligned with a pair of second blocking grooves 4222 on the second eccentric block 422, the first eccentric holes 4213 are aligned with the second eccentric holes 4223, and the first retaining spring grooves 4211 and the second spring groove 4221 are dislocated, and the inner arc surfaces of the first eccentric block 421 and the second eccentric block 422 are matched with the outer arc surface of the eccentric block seat 415, and the first eccentric block 421
- the outer circular arc surface of the second eccentric block 422 matches the inner circular arc surface of the bushing 435 in the ring gear 44 .
- the eccentric retaining ring 43 is circular, and the first shaft hole 433 is opened in the axial middle of the eccentric retaining ring 43.
- the shape of the first shaft hole 433 is not limited, and it can be a star or a plum blossom.
- a pair of eccentric stoppers 431 are protruded on one side of the eccentric retaining ring 43 in the thickness direction, and an eccentric shaft seat 432 is protruded on the side of the first shaft hole 433 facing the eccentric stopper 431. 432 is placed in the second shaft hole 411 of the fixed tooth plate 41, and a pair of eccentric blocks 431 are placed in the first eccentric block 421 and the second eccentric block 422.
- the outer circular edge of the eccentric retaining ring 43 is also provided with a receding groove 434 for the pair of retaining spring feet 451 of the retaining spring 45 to pass through;
- the inner gear ring 44 is A third shaft hole 442 is arranged in the axial middle of the inner gear ring 44, a wear-resistant bushing 435 is fixed in the third shaft hole 442, and the inner gear ring 44 is placed on the fixed tooth plate 41 and In the cavity formed by the movable toothed plate 46 , the radial outer circumferential wall of the inner gear ring 44 is provided with inner teeth 441 for engaging with the said ring gear 414 , and the number of teeth of the inner teeth 441 is smaller than that of all the inner teeth 441 .
- the number of teeth on the ring gear 414 of the fixed tooth plate 41 is described.
- the number of teeth of the inner teeth 441 given in this embodiment is one less than the number of teeth of the ring gear 414, but the number is not limited.
- the inner teeth 441 are respectively connected with the fixed tooth plate
- the ring gear 414 on the 41 and the tooth groove 463 on the movable tooth plate 46 are engaged with each other, and only one tooth of the inner teeth 441 and the ring gear 414 is fully engaged during the action.
- the circlip 45 is in the shape of a circular ring.
- the circlip 45 is placed in the cavity formed by the movable toothed plate 46 and the inner gear ring 44.
- the opening end of the circlip 45 is formed with a pair of first circlip grooves 4211.
- the circlip foot 451 hooked with the second circlip groove 4221 is designed to provide a force to open the first eccentric when the first eccentric block 421 and the second eccentric block 422 of the circlip foot 451 are out of position.
- the block 421 and the second eccentric block 422 can clamp a pair of eccentric blocks 431, and the first eccentric block 421 and the second eccentric block 422 exert a force on the ring gear 44, so that the ring gear 44, the fixed tooth plate 41 and the movable tooth plate 46 have no gap when they are engaged.
- the movable toothed plate 46 is in the shape of a disc, a fourth shaft hole 461 is opened in the axial middle of the movable toothed plate 46 , and a side surface of the movable toothed plate 46 in the thickness direction is recessed inwardly with a fourth shaft hole 461 .
- Two concave cavities 462, on the other side of the movable tooth plate 46 in the thickness direction, a set of second connecting bosses 464 for connecting with the handrail 1 are protruded outward.
- connection bosses 464 is six, but the number is not limited by this embodiment;
- the tooth slot 463; the closed ring 47 is enclosed around the outer edge of the fixed tooth plate 41 and the movable tooth plate 46 to ensure that both the fixed tooth plate 41 and the movable tooth plate 46 are fixed and will not fall off during operation, and at the same time ensure The holding device 4 will not move in the axial direction and will not jump in the radial direction during use.
- the drive device 3 can be a combination of a motor and a reduction assembly or a transmission assembly, or the drive device 3 can be a motor capable of outputting high torque, and when manual drive is required, the drive device 3 It is possible to turn the handwheel.
- the drive device 3 is arranged inside the handrail 1 , and the drive device 3 includes a drive motor 31 , a gear set 32 and an output Shaft 33 , the motor shaft of the drive motor 31 is connected to the gear set 32 , the output shaft 33 is arranged on the gear set 32 , and the drive motor 31 drives the output shaft 33 to rotate through the gear set 32 .
- the working principle of the present invention is that the first connecting boss 413 is welded with the mounting box 21 on the frame 2, the second connecting boss 464 is welded with the handrail 1, and the drive device 3 in the handrail 1 drives the output shaft 33 to rotate , drive the eccentric retaining ring 43 to rotate, and the eccentric retaining ring 43 passes through it to align the first eccentric block 421 and the second eccentric block 422 of the eccentric block 431 and the eccentric block 42.
- the blocking groove 4222 cooperates to drive the first eccentric block 421 and the second eccentric block 422 of the eccentric block 42 to rotate.
- the eccentric hole 4223 is eccentric with respect to the first eccentric block 421 and the second eccentric block 422, so it can push the inner gear 44 to make eccentric movement, so that the angle of the movable tooth plate 46 changes, so as to achieve the control and adjustment of the angle of the handrail 1. As long as the output shaft 33 is kept stationary, the armrest 1 can be held tightly at any angle.
- a rotating shaft 5 is connected between the two handrails 1 .
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Abstract
本发明公开一种转动收叠报紧的健身中心扶手，包括扶手、框架、驱动装置和抱紧装置，所述框架的两边分别固定安装一所述抱紧装置，每个所述抱紧装置上均转动安装有一所述扶手，所述驱动装置设置在所述扶手上，所述抱紧装置上设有供所述驱动装置的输出轴连接的第一轴孔，所述驱动装置驱动所述扶手相对所述框架进行转动后，通过所述抱紧装置抱紧固定。本发明将抱紧装置结合在扶手上，抱紧装置可以设计成时电动式，也可以设计成手动式，通用性广，不论电动手动，该抱紧装置都能使扶手在健身中心上转动后自动锁止，无需再设置其他锁固件进行角度固定，使用起来十分方便，而且抱紧装置结构精密，使得锁止效果精确、可靠。
Description
本案有请求优先权，优先权号2021201750053、优先权日2021年1月22日。
本发明涉及健身器材技术领域，特别涉及一种转动收叠报紧的健身中心扶手。
健身中心，是一种新型的健身器材理念，该理念主导的是将多种健身器材设计为一体、打造出一种全型的家庭式健身器材集成中心。
健身中心通常都会配置有扶手，方便使用者把手搭放在扶手上，根据使用者的身高不同以及器械搬运的需要，目前市场已有一些扶手能够转动收叠，但往往转动后必须通过插销等固定装置固定角度，缺少自动固定的功能。
发明内容
本发明的目的在于提供一种转动收叠报紧的健身中心扶手，将抱紧装置结合在扶手上，使扶手在健身中心上转动后自动锁止、锁止可靠、使用方便。
为达成上述目的，本发明的解决方案为：一种转动收叠报紧的健身中心扶手，包括扶手、框架、驱动装置和抱紧装置，所述框架的两边分别固定安装一所述抱紧装置，每个所述抱紧装置上均转动安装有一所述扶手，所述驱动装置设置在所述扶手上，所述抱紧装置上设有供所述驱动装置的输出轴连接的第一轴孔，所述驱动装置驱动所述扶手相对所述框架进行转动后，通过所述抱紧装置抱紧固定。
作为上述方案的进一步改进，所述抱紧装置包括固定齿板、偏心块、偏心挡圈、内齿圈、卡簧、活动齿板和闭合环，所述的固定齿板为圆盘形，在固定齿板的轴向中间开设有一第二轴孔，在固定齿板厚度方向的一侧侧面向内凹设有第一凹腔，在固定齿板厚 度方向的另一侧侧面向外凸设有用于与所述框架相连接的一组第一连接凸台，在所述的第一凹腔的内圆周壁体上构成有齿圈，在所述的第二轴孔面向第一凹腔的一侧上凸设有偏心块座；所述的偏心块包括第一偏心块和第二偏心块，第一偏心块与第二偏心块的外形相同，均为圆环形，在所述第一偏心块的外圈上形成有一对第一挡槽，在所述第一偏心块的中间具有第一偏心孔，第一偏心孔的一端设有第一卡簧槽，在所述第二偏心块的外圈上形成有一对第二挡槽，一对第二挡槽与一对第一挡槽的位置相对应，在所述第二偏心块的中间具有与第一偏心孔位置相对应的第二偏心孔，第二偏心孔的一端设有第二卡簧槽，所述的第二卡簧槽与所述的第一卡簧槽的形状相同、位置呈部分重叠部分叉开的错位设置，所述的第一偏心块和第二偏心块分别通过各自的第一偏心孔、第二偏心孔套设在所述的偏心块座上；所述的偏心挡圈为圆形，在偏心挡圈的轴向中间开设有所述第一轴孔，在偏心挡圈厚度方向的一侧侧面上凸设有一对偏心挡块，在第一轴孔面向偏心挡块的一侧上凸设有偏心轴座，偏心轴座置于所述固定齿板的第二轴孔内，一对偏心挡块置于所述的第一偏心块和第二偏心块的一对第一挡槽、一对第二挡槽中，在所述偏心挡圈的外圆边缘上还开设有让位槽；所述的内齿圈为圆环形，在内齿圈的轴向中间设有第三轴孔，在内齿圈径向的外圆周壁体上设有用于与所述的齿圈相啮合的内齿；所述的卡簧呈圆环形，卡簧的开口端形成有一对用于与第一卡簧槽和第二卡簧槽钩配的卡簧脚；所述的活动齿板为圆盘形，在所述活动齿板的轴向中间开设有一第四轴孔，在所述活动齿板厚度方向的一侧侧面向内凹设有第二凹腔，在所述活动齿板厚度方向的另一侧侧面向外凸设有用于与所述扶手连接的一组第二连接凸台，在所述的第二凹腔的内圆周壁体上设有用于与所述的内齿相啮合的齿槽；所述的闭合环包封在固定齿板和活动齿板的外缘周边。
作为上述方案的进一步改进，所述内齿的齿数小于所述固定齿板的齿圈上的齿数。
作为上述方案的进一步改进，所述的内齿圈的第三轴孔内固设有一衬套。
作为上述方案的进一步改进，所述驱动装置为电机与减速组件或传动组件的组合， 或者所述驱动装置为能够输出高扭力的电机，或者所述驱动装置为转动手轮。
作为上述方案的进一步改进，所述驱动装置为电机与传动组件的组合，所述驱动装置设置在所述扶手的内部，所述驱动装置包括驱动电机、齿轮组和输出轴，所述驱动电机的电机轴连接齿轮组，齿轮组上设置所述输出轴，所述驱动电机通过齿轮组带动输出轴转动。
作为上述方案的进一步改进，所述框架两边各设有一安装盒，所述安装盒的末端凸出于所述框架，所述安装盒的末端用于固定所述抱紧装置。
作为上述方案的进一步改进，两个所述扶手之间连接一转轴。
采用上述方案后，本发明的有益效果在于：本发明的特点是在扶手上采用了抱紧装置，抱紧装置可以设计成时电动式，也可以设计成手动式，通用性广，不论电动手动，该抱紧装置都能使扶手在健身中心上转动后自动锁止，无需再设置其他锁固件进行角度固定，使用起来十分方便，而且抱紧装置结构精密，使得锁止效果精确、可靠。
图1是本发明一实施例扶手旋转前的健身中心整体结构示意图；
图2是本发明一实施例扶手旋转抱紧后的健身中心整体结构示意图；
图3是本发明一实施例扶手和抱紧装置的结构示意图(隐藏安装盒外壳后)；
图4是本发明一实施例驱动装置的结构示意图(隐藏安装盒外壳后)；
图5是本发明一实施例抱紧装置的分解示意图一；
图6是本发明一实施例抱紧装置的分解示意图二。
标号说明：
扶手1、框架2、安装盒21、驱动装置3、驱动电机31、齿轮组32、输出轴33、抱紧装置4、固定齿板41、第二轴孔411、第一凹腔412、第一连接凸台413、齿圈414、偏心块座415、偏心块42、第一偏心块421、第一卡簧槽4211、第一挡槽4212、第一偏 心孔4213、第二偏心块422、第二卡簧槽4221、第二挡槽4222、第二偏心孔4223、偏心挡圈43、偏心挡块431、偏心轴座432、第一轴孔433、让位槽434、衬套435、内齿圈44、内齿441、第三轴孔442、卡簧45、卡簧脚451、活动齿板46、第四轴孔461、第二凹腔462、齿槽463、第二连接凸台464、闭合环47、转轴5。
以下结合附图及具体实施例对本发明做详细的说明。
本发明提供一种转动收叠报紧的健身中心扶手，如图1至图2所示，包括扶手1、框架2、驱动装置3和抱紧装置4，所述框架2的两边分别固定安装一所述抱紧装置4，每个所述抱紧装置4上均转动安装有一所述扶手1，所述驱动装置3设置在所述扶手1上，所述抱紧装置4上设有供所述驱动装置3的输出轴33连接的第一轴孔433，所述驱动装置3驱动所述扶手1相对所述框架2进行转动后，通过所述抱紧装置4抱紧固定。
优选地，所述框架2两边各设有一安装盒21，所述安装盒21的末端凸出于所述框架2，所述安装盒21的末端用于固定所述抱紧装置4。
如图3-图4所示，所述抱紧装置4包括固定齿板41、偏心块42、偏心挡圈43、内齿圈44、卡簧45、活动齿板46和闭合环47，所述的固定齿板41为圆盘形，在固定齿板41的轴向中间开设有一第二轴孔411，在固定齿板41厚度方向的一侧侧面向内凹设有第一凹腔412，该第一凹腔412用于容纳偏心块42和内齿圈44，在固定齿板41厚度方向的另一侧侧面向外凸设有用于与所述框架2相连接的一组第一连接凸台413，图中给出的一组第一连接凸台413的数量为六个，但该数量并不受本实施例所限制；在所述的第一凹腔412的内圆周壁体上构成有齿圈414，在所述的第二轴孔411面向第一凹腔412的一侧上凸设有偏心块座415。所述的偏心块42包括第一偏心块421和第二偏心块422，第一偏心块421与第二偏心块422的外形相同，均为圆环形，在所述第一偏心块421的外圈上形成有一对第一挡槽4212，在所述第一偏心块421的中间具有第一偏心孔4213，第一偏心孔4213的一端设有第一卡簧槽4211，第一卡簧槽4211的形状不受任何 限制，本事实例中示意的形状为燕尾槽，在所述第二偏心块422的外圈上形成有一对第二挡槽4222，一对第二挡槽4222与一对第一挡槽4212的位置相对应，在所述第二偏心块422的中间具有与第一偏心孔4213位置相对应的第二偏心孔4223，第二偏心孔4223的一端设有第二卡簧槽4221，所述的第二卡簧槽4221与所述的第一卡簧槽4211的形状相同、位置呈部分重叠部分叉开的错位设置，所述的第一偏心块421和第二偏心块422分别通过各自的第一偏心孔4213、第二偏心孔4223套设在所述的偏心块座415上，在安装时，偏心块42的第一偏心块421和第二偏心块422呈重叠设置，使第一偏心块421上的一对第一挡槽4212对准第二偏心块422上的一对第二挡槽4222，第一偏心孔4213对准第二偏心孔4223，而第一卡簧槽4211与第二卡簧槽4221之间呈错位设置，且使第一偏心块421和第二偏心块422的内圆弧面与偏心块座415的外圆弧面相吻合，而第一偏心块421和第二偏心块422的外圆弧面与内齿圈44内的衬套435之内圆弧面相吻合。所述的偏心挡圈43为圆形，在偏心挡圈43的轴向中间开设有所述第一轴孔433，第一轴孔433的形状不受限制，可以是星形，也可以是梅花形等，在偏心挡圈43厚度方向的一侧侧面上凸设有一对偏心挡块431，在第一轴孔433面向偏心挡块431的一侧上凸设有偏心轴座432，偏心轴座432置于所述固定齿板41的第二轴孔411内，一对偏心挡块431置于所述的第一偏心块421和第二偏心块422的一对第一挡槽4212、一对第二挡槽4222中，在所述偏心挡圈43的外圆边缘上还开设有用于供卡簧45的一对卡簧脚451穿过的让位槽434；所述的内齿圈44为圆环形，在内齿圈44的轴向中间设有第三轴孔442，在第三轴孔442内固置有一耐磨用的衬套435，内齿圈44置于固定齿板41和活动齿板46所形成的容腔内，在内齿圈44径向的外圆周壁体上设有用于与所述的齿圈414相啮合的内齿441，所述内齿441的齿数小于所述固定齿板41的齿圈414上的齿数，本实施例给出的内齿441的齿数较齿圈414的齿数少一个，但该数量并不受到具体限制，内齿441分别与固定齿板41上的齿圈414以及活动齿板46上的齿槽463相啮配，且内齿441与齿圈414在动作过程中只有一个齿相完全啮合。所述的卡簧45呈圆环形，卡 簧45置于活动齿板46和内齿圈44所形成的容腔内，卡簧45的开口端形成有一对用于与第一卡簧槽4211和第二卡簧槽4221钩配的卡簧脚451，其目的是由卡簧脚451的第一偏心块421和第二偏心块422相错位时，提供一个向外撑开的力第一偏心块421和第二偏心块422能将一对偏心挡块431夹紧，而第一偏心块421和第二偏心块422又对内齿圈44施加一个力，使得内齿圈44、固定齿板41和活动齿板46三者在啮合时没有间隙。所述的活动齿板46为圆盘形，在所述活动齿板46的轴向中间开设有一第四轴孔461，在所述活动齿板46厚度方向的一侧侧面向内凹设有第二凹腔462，在所述活动齿板46厚度方向的另一侧侧面向外凸设有用于与所述扶手1连接的一组第二连接凸台464，图中给出的一组第二连接凸台464的数量为六个，但该数量并不受本实施例所限制；在所述的第二凹腔462的内圆周壁体上设有用于与所述的内齿441相啮合的齿槽463；所述的闭合环47包封在固定齿板41和活动齿板46的外缘周边，保证固定齿板41和活动齿板46两者固定，在工作中不会脱落，同时保证抱紧装置4在使用中轴向不会窜动，径向不会跳动。
当采用电动式驱动时，所述驱动装置3可以为电机与减速组件或传动组件的组合，或者所述驱动装置3为能够输出高扭力的电机，而当需要手动驱动时，所述驱动装置3可以为转动手轮。
以图4所示的所述驱动装置3为电机与传动组件的组合为例，所述驱动装置3设置在所述扶手1的内部，所述驱动装置3包括驱动电机31、齿轮组32和输出轴33，所述驱动电机31的电机轴连接齿轮组32，齿轮组32上设置所述输出轴33，所述驱动电机31通过齿轮组32带动输出轴33转动。
本发明的工作原理为，第一连接凸台413与所述框架2上的安装盒21焊接，第二连接凸台464与所述扶手1焊接，扶手1内的驱动装置3驱动输出轴33转动，带动偏心挡圈43旋转，偏心挡圈43通过其以对偏心挡块431与偏心块42的第一偏心块421和第二偏心块422上的一对第一挡槽4212和一对第二挡槽4222相配合，带动偏心块42 的第一偏心块421和第二偏心块422转动，因偏心块42的第一偏心块421和第二偏心块422上的第一偏心孔4213、第二偏心孔4223相对于第一偏心块421和第二偏心块422是偏心的，因此能推动内齿圈44作偏心运动，使活动齿板46的角度发生变化，从而达到控制和调节扶手1角度的作用，只要保证输出轴33静止，扶手1就能在任一角度实现抱紧。
如图2所示，为了保证扶手1之间的同步性，两个所述扶手1之间连接一转轴5。
以上所述仅为本发明的较佳实施例，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 (8)
- 一种转动收叠报紧的健身中心扶手，其特征在于：包括扶手、框架、驱动装置和抱紧装置，所述框架的两边分别固定安装一所述抱紧装置，每个所述抱紧装置上均转动安装有一所述扶手，所述驱动装置设置在所述扶手上，所述抱紧装置上设有供所述驱动装置的输出轴连接的第一轴孔，所述驱动装置驱动所述扶手相对所述框架进行转动后，通过所述抱紧装置抱紧固定。
- 如权利要求1所述一种转动收叠报紧的健身中心扶手，其特征在于：所述抱紧装置包括固定齿板、偏心块、偏心挡圈、内齿圈、卡簧、活动齿板和闭合环，所述的固定齿板为圆盘形，在固定齿板的轴向中间开设有一第二轴孔，在固定齿板厚度方向的一侧侧面向内凹设有第一凹腔，在固定齿板厚度方向的另一侧侧面向外凸设有用于与所述框架相连接的一组第一连接凸台，在所述的第一凹腔的内圆周壁体上构成有齿圈，在所述的第二轴孔面向第一凹腔的一侧上凸设有偏心块座；所述的偏心块包括第一偏心块和第二偏心块，第一偏心块与第二偏心块的外形相同，均为圆环形，在所述第一偏心块的外圈上形成有一对第一挡槽，在所述第一偏心块的中间具有第一偏心孔，第一偏心孔的一端设有第一卡簧槽，在所述第二偏心块的外圈上形成有一对第二挡槽，一对第二挡槽与一对第一挡槽的位置相对应，在所述第二偏心块的中间具有与第一偏心孔位置相对应的第二偏心孔，第二偏心孔的一端设有第二卡簧槽，所述的第二卡簧槽与所述的第一卡簧槽的形状相同、位置呈部分重叠部分叉开的错位设置，所述的第一偏心块和第二偏心块分别通过各自的第一偏心孔、第二偏心孔套设在所述的偏心块座上；所述的偏心挡圈为圆形，在偏心挡圈的轴向中间开设有所述第一轴孔，在偏心挡圈厚度方向的一侧侧面上凸设有一对偏心挡块，在第一轴孔面向偏心挡块的一侧上凸设有偏心轴座，偏心轴座置于所述固定齿板的第二轴孔内，一对偏心挡块置于所述的第一偏心块和第二偏心块的一对第一挡槽、一对第二挡槽中，在所述偏心挡圈的外圆边缘上还开设有让位槽；所述的内齿圈为圆环形，在内齿圈的轴向中间设有第三轴孔，在内齿圈径向的外圆周壁体上设有用于与所述的齿圈相啮合的内齿；所述的卡簧呈圆环形，卡簧的开口端形成有一对用于与第一卡簧槽和第二卡簧槽钩配的卡簧脚；所述的活动齿板为圆盘形，在所述活动齿板的轴向中间开设有一第四轴孔，在所述活动齿板厚度方向的一侧侧面向内凹设有第二凹腔，在所述活动齿板厚度方向的另一侧侧面向外凸设有用于与所述扶手连接的一组第二连接凸台，在所述的第二凹腔的内圆周壁体上设有用于与所述的内齿相啮合的齿槽； 所述的闭合环包封在固定齿板和活动齿板的外缘周边。
- 如权利要求2所述一种转动收叠报紧的健身中心扶手，其特征在于：所述内齿的齿数小于所述固定齿板的齿圈上的齿数。
- 如权利要求2所述一种转动收叠报紧的健身中心扶手，其特征在于：所述的内齿圈的第三轴孔内固设有一衬套。
- 如权利要求1所述一种转动收叠报紧的健身中心扶手，其特征在于：所述驱动装置为电机与减速组件或传动组件的组合，或者所述驱动装置为能够输出高扭力的电机，或者所述驱动装置为转动手轮。
- 如权利要求5所述一种转动收叠报紧的健身中心扶手，其特征在于：所述驱动装置为电机与传动组件的组合，所述驱动装置设置在所述扶手的内部，所述驱动装置包括驱动电机、齿轮组和输出轴，所述驱动电机的电机轴连接齿轮组，齿轮组上设置所述输出轴，所述驱动电机通过齿轮组带动输出轴转动。
- 如权利要求1所述一种转动收叠报紧的健身中心扶手，其特征在于：所述框架两边各设有一安装盒，所述安装盒的末端凸出于所述框架，所述安装盒的末端用于固定所述抱紧装置。
- 如权利要求1所述一种转动收叠报紧的健身中心扶手，其特征在于：两个所述扶手之间连接一转轴。
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