CN2558405Y

CN2558405Y - Auto-counting beairng skipping-rope

Info

Publication number: CN2558405Y
Application number: CN 02272131
Authority: CN
Inventors: 郑树安
Original assignee: Jianle Recreation & Sports Articles Co Ltd Puning City
Current assignee: Jianle Recreation & Sports Articles Co Ltd Puning City
Priority date: 2002-07-24
Filing date: 2002-07-24
Publication date: 2003-07-02
Anticipated expiration: 2012-07-24

Abstract

The utility model relates to an automated counting skipping rope, which is characterized in that on the basis of the prior automated counting skipping rope composed of handgrips, a counter, a stringing device and a rope, the neck of the stringing device is provided with a micro-bearing in tight-fit with the stringing device. The handgrip shell and the rib plate which are originally disposed on the neck of the stringing device are designed to be a bearing support matched with the micro-bearing. Moreover the first half of the head of the stringing device is designed into a ring, and the latter part is designed to be a cylindrical body. The utility model has the advantages that the rope loop tied on the lacing grommet of the head of the stringing device is in corresponding rotating and sliding along with the swinging of the rope. Thus the <point of inflexion> in the swinging of the rope is eliminated, and the resistance to the rope swinging is reduced. Therefore, the operation of the stringing device and the counter linked with the stringing device are extremely smooth and flexible, and the service lives of the handgrips and the counter are greatly extended.

Description

Automatically counting bearing rope skipping

Technical field: the utility model relates to the recreational and sports activities goods, specifically, relates to a kind of automatic counting rope skipping.

Background technology: rope skipping is very general in middle and primary schools' recreational and sports activities, can be to health each side comprehensive training.A complete rope skipping comprises handgrip and rope, and threading device is the automatic important component part of counting rope skipping handgrip, can be subdivided into three sections of head, neck and attachment, and the head of threading device is exposed at outside the handgrip housing, is used for wire rope handling; Neck and attachment place within the handgrip, and the power that arm and hand is acted on handgrip passes to the counter that requires accurate recording rope skipping number of times.Existing a kind of threading device head of counting rope skipping is hemispherical, and its sphere is provided with two through holes perpendicular to the handgrip center line, is used for wire rope handling and regulates its length; The neck of threading device is cylindrical, and two semicircles on two slit bamboo or chopped wood handgrip housings and the gusset thereof have synthesized " bearing shell " of threading device neck circular shaft; The attachment of threading device is diameter has keyway greater than neck, end face a cylinder.The shortcoming of prior art: (1) because rope penetrates the threading device head along the direction perpendicular to the handgrip center line, termination rope center line and handgrip center line have certain distance and produce a moment, and rope rises and occurs " flex point " when shaking, and has strengthened the resistance that shakes rope; (2) " bearing shell " of handgrip housing is too narrow with the contact-making surface of threading device neck, and driving fit is bad, and both are all easy to wear, and threading device is rocked changes big more more, directly influences the degree of accuracy and the life-span of counter.

Summary of the invention: the purpose of this utility model is at above-mentioned weak point, and design a kind of do not have the housing of " flex point ", handgrip when shaking and the threading device driving fit is good, threading device and counter rotation steadily flexibly, the automatic counting bearing rope skipping that helps prolonging the handgrip sum counter life-span.

To achieve these goals, on the basis of the existing automatic counting rope skipping of forming by handgrip, counter, threading device, rope, at the neck of threading device miniature bearing friction tight with it has been installed, the former handgrip housing of laying the threading device neck and gusset position are designed to the bearing block that cooperates with miniature bearing, thereby become a kind of novel automatic counting bearing rope skipping.

The utility model is taking to have taked following supplementary measures on the basis of above major measure:

1. threading device is designed to two-piece type: the threading device head is one separately, and threading device neck and attachment are one.

2. the shape with the threading device head makes the latter half of for cylinder, first half are flat thin wire rope handling ring of threading device head into by hemispherical, and a circular hole that matches with the lengthening end of threading device neck bores in central authorities at the cylinder end face.

3, the circular hole with the wire rope handling ring is designed to be with intrados.

The utility model because of having taked above measure, has following characteristics:

1, ties up to sling on the threading device head wire rope handling ring, along with doing to rotate and slide accordingly on the wire rope handling ring that do not coexist of handgrip angle, eliminated rope and worked " flex point " when shaking, reduced the resistance that shakes rope;

2, because the bearing block that is provided with miniature bearing and is mated, rocking of the relative handgrip of threading device is reduced to bottom line, handgrip housing and threading device neck no longer wear and tear, and the counter running of threading device and connection thereof is extremely steadily flexible, and the life-span of handgrip sum counter greatly prolongs.

Following embodiment is further described the utility model in conjunction with the accompanying drawings.

Description of drawings:

Fig. 1 is hemispheric automatic counting rope skipping overall structure schematic diagram for existing threading device head;

Fig. 2 is the overall structure schematic diagram of the utility model embodiment 1;

Fig. 3 is the overall structure schematic diagram of the utility model embodiment 2;

Fig. 4 is that the threading device, rope of embodiment 2 rotates 90 ° of i.e. overall structure schematic diagrames during 1/4 circle.

Among the figure, 1-handgrip, 1A-housing, 2-counter, the power transmission shaft of 2A-counter, 3-threading device, the head of 3A-threading device, 3A1-hollow circular cylinder, 3A2-wire rope handling ring, the neck of 3B-threading device, the lengthening end of 3B1-threading device neck, the attachment of 3C-threading device, 4-miniature bearing, 5-bearing block, the 6-rope, 6A-sling, 7-lacing hole, the 7A-intrados, 8-clamp, 9-reset button.

The specific embodiment: referring to Fig. 2, the utility model embodiment 1 is made up of handgrip 1, counter 2, threading device 3, miniature bearing 4, bearing block 5, rope 6, the mechanical counter that counter 2 adopts three bit digital of band reset button 9 to show, designed the bearing block 5 of an installation miniature bearing 4 at handgrip housing 1A position, the neck 3B tight fit of this miniature bearing 4 and threading device, counter is installed on handgrip 1 inside, the attachment 3C of threading device is connect mutually with the power transmission shaft 2A of counter, and become a kind of novel automatic counting bearing rope skipping.Embodiment illustrated in fig. 21 counter is installed on right handgrip, and an installation left side is good in handgrip certainly, and this is a techniques well known.

With reference to Fig. 3, Fig. 4, the utility model embodiment 2 improves on the basis of embodiment 1 again, be needs easy for installation, threading device 3 is designed to two-piece type: threading device head 3A consists of one by the hollow circular cylinder 3A1 and the wire rope handling ring 3A2 that match with the lengthening end 3B1 of the neck 3B of threading device, and promptly the latter half of cylinder of threading device head bores a circular hole that matches with the lengthening end of threading device neck in end face central authorities; Threading device neck 3B and attachment 3C are one.Be provided with the lacing hole 7 of a band intrados 7A at the wire rope handling ring 3A2 of threading device head, when using rope 6 rocking-turns, sling 6A can freely rotate and slide (compound motion) in this lacing hole 7, and the termination rope is on the handgrip center line substantially, reaches the purpose that effectively reduces the suffered moment of torsion of threading device.

Assembling use of the present utility model is as follows: referring to Fig. 3, Fig. 4, present embodiment 2 is in the assembling dormant state.Threading device neck 3B is equipped with miniature bearing 4, and the latter is embedded in again in the bearing block 5 that cooperates with it.Threading device attachment 3C and counter 2 have connect.The threading device neck 3B and the threading device head 3A of lengthening have been combined into the integral body that can not produce displacement to each other.At last, on the ball of miniature bearing 4, the relevant position of threading device attachment 3C, counter 2 drips a little lubricating oil, however with screw that two slit bamboo or chopped wood handgrip housings are fastening.

The rope 6 of adjusting length is tied up on the wire rope handling ring 3A2 of threading device head 3A, with clamp 8 chuckings.When rope skipping person holds left and right handles rocking-turn rope skipping, the sling 6A of rope 6 freely rotates and slides relative to the wire rope handling ring 3A2 of threading device head 3A, the threading device of being made up of threading device head 3A, neck 3B, attachment 3C 3 and the power transmission shaft 2A of counter 2 rotate along with the rocking-turn of rope 6.Every rope skipping once, the power transmission shaft 2A of threading device 3 and counter 2 just turns around in the handgrip inward turning, counter 2 i.e. counting voluntarily, the number of times of rope skipping, counter 2 be record and shown by digital displaying window automatically, its effect is directly perceived, accurately.After finishing this motion, can press reset button 9, at this moment, the demonstration of digital displaying window promptly returns to " 000 " state, for motion is next time got ready.Because threading device neck 3B and miniature bearing 4 are tight fit, the latter is installed in again in the bearing block 5 of handgrip 1 shell, and therefore, the running of the counter 2 of threading device 3 of the present utility model and connection thereof is extremely steadily flexible, and the life-span of handgrip 1 sum counter 2 greatly prolongs.

Claims

1, a kind of automatic counting bearing rope skipping, contain handgrip (1), counter (2), threading device (3), rope (6), counter (2) is installed on the handgrip (1), the attachment (3C) of threading device (3) connects mutually with the power transmission shaft (2A) of counter (2), it is characterized in that: the neck (3B) of described threading device (3) is equipped with miniature bearing (4), is provided with the bearing block (5) that is complementary with miniature bearing (4) in the housing (1A) of described handgrip (1).

2, automatic counting bearing rope skipping according to claim 1, it is characterized in that: the head (3A) of described threading device (3) is made up of with hollow circular cylinder that matches (3A1) and wire rope handling ring (3A2) the lengthening end (3B1) of the neck (3B) of threading device.

3, automatic counting bearing rope skipping according to claim 2, it is characterized in that: described wire rope handling ring (3A2) is provided with the lacing hole (7) of a band intrados (7A).