CN204655861U - Be convenient to the self-locking jumping stand heightened - Google Patents

Be convenient to the self-locking jumping stand heightened Download PDF

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Publication number
CN204655861U
CN204655861U CN201520327258.2U CN201520327258U CN204655861U CN 204655861 U CN204655861 U CN 204655861U CN 201520327258 U CN201520327258 U CN 201520327258U CN 204655861 U CN204655861 U CN 204655861U
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China
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fixed pulley
chute
self
cross bar
slider
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Expired - Fee Related
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CN201520327258.2U
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Chinese (zh)
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毛振喜
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Harbin University of Science and Technology
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Harbin University of Science and Technology
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Abstract

便于调高的自锁式跳高架。传统的跳高架由底座、侧杆、横杆、滑块组成,在调整高度时很难保证横杆处于水平位置,需要调整两个滑块的高度以保证横杆的水平。本实用新型的组成包括:底座(1)、侧杆(2)和横杆(3),其特征是:所述的侧杆固定在所述的底座上,所述的侧杆内设有滑槽(4),所述的滑槽上下两端分别设有上定滑轮(5)、下定滑轮(6),所述的上定滑轮与所述的下定滑轮通过钢丝(7)与滑块(8)连接,所述的滑块安装在所述的滑槽内并与所述的滑槽组成滑动副,所述的横杆水平放置在所述的滑块上,所述的下定滑轮通过平键与传动轴(9)连接,所述的传动轴上安装有手轮(10)。本实用新型用于便于调高的自锁式跳高架。

Self-locking high jump frame for easy height adjustment. The traditional high jump frame consists of a base, a side bar, a cross bar, and a slide block. It is difficult to ensure that the cross bar is in a horizontal position when adjusting the height. It is necessary to adjust the height of the two slide blocks to ensure the level of the cross bar. The utility model comprises: a base (1), a side bar (2) and a cross bar (3), and is characterized in that: the side bar is fixed on the base, and a slide Groove (4), the upper and lower ends of the chute are respectively provided with an upper fixed pulley (5) and a lower fixed pulley (6), and the upper fixed pulley and the lower fixed pulley pass through the steel wire (7) and the slider ( 8) Connection, the slider is installed in the chute and forms a sliding pair with the chute, the crossbar is placed horizontally on the slider, and the lower pulley passes through the flat Key is connected with transmission shaft (9), and hand wheel (10) is installed on the transmission shaft. The utility model is used for a self-locking high jumping frame which is convenient for height adjustment.

Description

便于调高的自锁式跳高架Self-locking high jump frame for easy height adjustment

技术领域:Technical field:

本实用新型涉及一种便于调高的自锁式跳高架。The utility model relates to a self-locking high jump frame which is convenient for height adjustment.

背景技术:Background technique:

传统的跳高架由底座、侧杆、横杆、滑块组成。跳高架的两侧杆固定在底座上,每一侧杆上各有一个滑块,横杆水平放置在两个滑块上。滑块可沿侧杆竖直滑动,待滑动到需要的高度时,分别拧紧两个滑块上的螺丝将滑块固定。跳高架在使用时需要根据使用者的需要不断调整横杆的高度,每次都需要旋松滑块上的螺丝,不仅浪费时间而且长时间反复松紧螺丝后,螺丝上的螺纹容易损坏,导致螺纹副不可用。这种跳高架在调整高度时很难保证横杆处于水平位置,需要调整两个滑块的高度以保证横杆的水平。Traditional high jump frame is made up of base, side bar, cross bar, slide block. The two side bars of the high jump frame are fixed on the base, each side bar has a slide block respectively, and the cross bar is horizontally placed on the two slide blocks. The slide block can slide vertically along the side bar, and when it slides to the desired height, respectively tighten the screws on the two slide blocks to fix the slide block. When the high jump frame is in use, the height of the crossbar needs to be adjusted continuously according to the needs of the user. Every time the screw on the slider needs to be loosened, it is not only a waste of time, but also after a long time of repeated tightening of the screw, the thread on the screw is easily damaged, resulting in Vice is not available. This high jump frame is difficult to ensure that the cross bar is in a horizontal position when adjusting the height, and the height of the two slide blocks needs to be adjusted to ensure the level of the cross bar.

实用新型内容:Utility model content:

本实用新型的目的是提供一种便于调高的自锁式跳高架。The purpose of the utility model is to provide a self-locking high jump frame which is convenient for height adjustment.

上述的目的通过以下的技术方案实现:Above-mentioned purpose realizes by following technical scheme:

一种便于调高的自锁式跳高架,其组成包括:底座、侧杆和横杆,所述的侧杆固定在所述的底座上,所述的侧杆内设有滑槽,所述的滑槽上下两端分别设有上定滑轮、下定滑轮,所述的上定滑轮与所述的下定滑轮通过钢丝与滑块连接,所述的滑块安装在所述的滑槽内并与所述的滑槽组成滑动副,所述的横杆水平放置在所述的滑块上,所述的下定滑轮通过平键与传动轴连接,所述的传动轴上安装有手轮。A self-locking high-jump frame that is convenient for height adjustment. Its composition includes: a base, a side bar and a cross bar. The side bar is fixed on the base, and a chute is provided in the side bar. The upper and lower ends of the chute are respectively provided with an upper fixed pulley and a lower fixed pulley, and the upper fixed pulley and the lower fixed pulley are connected with a slider through a steel wire, and the slider is installed in the chute and connected with the The chute forms a sliding pair, the crossbar is placed horizontally on the slider, the fixed pulley is connected with the transmission shaft through a flat key, and a hand wheel is installed on the transmission shaft.

本实用新型的有益效果:The beneficial effects of the utility model:

1.本实用新型在调整横杆高度时只需手动转动手轮,便能实现横杆水平的升降。1. When adjusting the height of the cross bar, the utility model only needs to manually turn the hand wheel to realize the horizontal lifting of the cross bar.

本实用新型的滑块与两侧杆上的滑槽能够自锁,停止转动手轮时横杆能停留在所处位置。The slide block of the utility model can be self-locked with the chute on the rods on both sides, and the cross rod can stay at the position when the hand wheel stops turning.

附图说明:Description of drawings:

附图1是本实用新型的结构示意图。Accompanying drawing 1 is the structural representation of the utility model.

附图2是本实用新型的侧柱结构图。Accompanying drawing 2 is the side column structural diagram of the present utility model.

附图3是本使用新型的滑块结构图。Accompanying drawing 3 is that this uses the new slide block structural diagram.

附图4是本使用新型的自锁原理图。Accompanying drawing 4 is the self-locking schematic diagram of this new type of use.

附图5是本使用新型的向上运动原理图。Accompanying drawing 5 is the schematic diagram of the upward movement of the present invention.

附图6是本使用新型的向下运动原理图。Accompanying drawing 6 is that this uses the novel downward movement schematic diagram.

具体实施方式:Detailed ways:

实施例1:Example 1:

一种便于调高的自锁式跳高架,其组成包括:底座1、侧杆2和横杆3,其特征是:所述的侧杆固定在所述的底座上,所述的侧杆内设有滑槽4,所述的滑槽上下两端分别设有上定滑轮5、下定滑轮6,所述的上定滑轮与所述的下定滑轮通过钢丝7与滑块8连接,所述的滑块安装在所述的滑槽内并与所述的滑槽组成滑动副,所述的横杆水平放置在所述的滑块上,所述的下定滑轮通过平键与传动轴9连接,所述的传动轴上安装有手轮10。A self-locking high jump frame that is convenient for height adjustment, and its composition includes: a base 1, a side bar 2 and a cross bar 3, and the feature is that: the side bar is fixed on the base, and the side bar inside A chute 4 is provided, and the upper and lower ends of the chute are respectively provided with an upper fixed pulley 5 and a lower fixed pulley 6, and the upper fixed pulley and the lower fixed pulley are connected with a slide block 8 through a steel wire 7, and the The slider is installed in the chute and forms a sliding pair with the chute, the cross bar is placed horizontally on the slider, the fixed pulley is connected with the drive shaft 9 through a flat key, A hand wheel 10 is installed on the transmission shaft.

实施例2:Example 2:

根据实施例1所述的便于调高的自锁式跳高架,所述的滑块在没有钢丝拉力作用下能够自锁;According to the self-locking high jump frame that is convenient for height adjustment described in embodiment 1, the slider can be self-locked without the action of steel wire tension;

如附图4所示,G·L=FAs shown in Figure 4, G·L=F NN ·L· L 11 ,F, F NN =G·L/L=G·L/L 11 ;

若想滑块能够自锁只需2μ·FIf you want the slider to be self-locking, you only need 2μ F NN >G,即2μ·G·L/L>G, that is, 2μ·G·L/L 11 >G ,L/L>G, L/L 11 >2μ;>2μ;

由自锁原理可知,只需L>LAccording to the principle of self-locking, only L>L 11 /μ,无论横杆是否从滑块上滑落,都能实现自锁。/μ, self-locking can be realized no matter whether the crossbar slips off the slider or not.

实施例3:Example 3:

根据实施例1或2所述的便于调高的自锁式跳高架,所述的滑块向上运动原理,如附图5所示;According to the self-locking high jump frame that is convenient for height adjustment described in embodiment 1 or 2, the principle of upward movement of the slider is shown in Figure 5;

Ff 11  LL 22 -GL= F-GL=F NN ·L·L 11 ;

Ff 11 - GL / L-GL/L 22 =F=F NN  LL 11 /L/ L 22 ,F,F 11 - GL / L-GL/L 22 -F-F NN  LL 11 /L/ L 22 =0;=0;

若想实现滑块向上滑动需满足FIf you want the slider to slide up, you need to meet F 11 -G-2μF-G-2μF NN >0;当L>L>0; when L>L 22 ,L, L 11 /L/L 22 >2μ时,只要给一个足够大的拉力F>2μ, just give a large enough pulling force F 22 ,滑块一定会沿滑道向上运动。, the slider must move upward along the slideway.

实施例4:Example 4:

根据实施例1或2所述的便于调高的自锁式跳高架,所述的滑块向下运动原,如附图6所示;According to the self-locking high jump frame that is convenient for height adjustment described in embodiment 1 or 2, the slide block moves downward, as shown in accompanying drawing 6;

Ff 22 LL 33 -GL= F-GL=F NN .L. L 11

Ff 22 -GL/L-GL/L 33 =F=F NN  LL 11 /L/ L 33 ,F, F 22 - GL/L- GL/L 33 - F-F NN  LL 11 /L/ L 3=03=0

若想实现滑块向上滑动需满足FIf you want the slider to slide up, you need to meet F 22 +G-2μF+G-2μF NN  >0;当L>0; when L 11 /L/L 33 >2μ时,只要给一个足够大的拉力F>2μ, just give a large enough pulling force F 22 ,滑块一定会沿滑道向下运动。, the slider must move down the slideway.

Claims (1)

1. be convenient to the self-locking jumping stand heightened for one kind, its composition comprises: base, side lever and cross bar, it is characterized in that: described side lever is fixed on described base, chute is provided with in described side lever, the upper and lower two ends of described chute are respectively equipped with fixed pulley, lower fixed pulley, described upper fixed pulley is connected with slide block by steel wire with described lower fixed pulley, described slide block to be arranged in described chute and to form sliding pair with described chute, described cross bar lies in a horizontal plane on described slide block, described lower fixed pulley is connected with power transmission shaft by flat key, described power transmission shaft is provided with handwheel.
CN201520327258.2U 2015-05-20 2015-05-20 Be convenient to the self-locking jumping stand heightened Expired - Fee Related CN204655861U (en)

Priority Applications (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109011322A (en) * 2018-08-13 2018-12-18 李娜 A kind of adjustable device for high jump
AU2017219064B2 (en) * 2016-09-19 2022-06-30 William John Roberson Improved adjustable high jump system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2017219064B2 (en) * 2016-09-19 2022-06-30 William John Roberson Improved adjustable high jump system
CN109011322A (en) * 2018-08-13 2018-12-18 李娜 A kind of adjustable device for high jump

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150923

Termination date: 20160520