CN211383746U

CN211383746U - Land cross-country pulley

Info

Publication number: CN211383746U
Application number: CN201921489417.3U
Authority: CN
Inventors: 杨春怀; 仲维疆; 仲崇岗
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-09-01
Anticipated expiration: 2029-09-09

Abstract

A land cross-country pulley belongs to sports equipment and comprises a pedal, wherein pulley assemblies are respectively arranged at the front end and the rear end of the pedal, each pulley assembly is provided with a quadrangular frame, a hole is formed in each frame, pulleys are respectively arranged at the left end and the right end of each frame, a swing shaft in rotary connection is arranged in each frame, the shaft end of each swing shaft is fixedly connected with the pedal, a limiting rod is fixedly arranged on each swing shaft, a rod body of each limiting rod is arranged in each limiting hole, and each limiting hole is a strip hole or a round hole with the diameter larger than that of each limiting rod; the frame consists of an upper plate, a left plate, a lower plate and a right plate which are sequentially hinged end to end, and the strip holes are formed in the upper plate or the lower plate; the surface of the pedal is flush with or below the horizontal center line of the pulley; the pedals provide stable support for athletes through deflection, the balance is good, the danger is low, the pedals are easy to operate, the deflected pedals can better simulate the supporting force generated by inclined pressing of a snowboard on the snowboard, and the use experience of the snowboard is equivalent to that of the snowboard.

Description

Land cross-country pulley

Technical Field

The utility model relates to a sports goods specifically provides a land cross-country pulley

Background

Skiing is the sport that people prefer in winter. The multi-purpose skis (double-board and single-board) for people's skiing sports in winter slide on the snow, compete, build body, cross-country adventure, etc., and the entertainment sports forms are rich and varied. In summer, people design a skiing wheel row for simulating skiing sports, the skiing wheel row is a land training instrument for simulating skiing sports, most of the existing skiing wheel rows are supported by a single arm and a single-row wheel in front and back, because of the limit of the design structure, the wheel track of the skiing wheel row is long, the gravity center is high, the balance is not easy to master, when the leg is bent or pedaled, such as during turning, the pulley and the ground form a certain angle, so that the friction force between the pulley and the ground is reduced, the support performance is poor, the force and the control direction are difficult to master, the action difficulty is high, the danger is large, the use experience is greatly different from that of a snowboard, certain training is required during use, the application is flexible after necessary professional skills are reached, so that a beginner is difficult to drive, moreover, the skiing wheel row can be carried out only on the flat ground, and the pleasure of cross-country skiing cannot be experienced.

Disclosure of Invention

The utility model aims at: the utility model provides a cross-country pulley on land can provide steady support for the sportsman, and its equilibrium is good, the danger is low, and easily controls.

The technical scheme of the utility model is that: cross-country pulley on land, its characterized in that: the pedal comprises a pedal, wherein pulley assemblies are respectively arranged at the front end and the rear end of the pedal, each pulley assembly is provided with a quadrangular frame, a hole is formed in each frame, pulleys are respectively arranged at the left end and the right end of each frame, a swing shaft in rotary connection is arranged in each frame, the shaft end of each swing shaft is fixedly connected with the pedal, a limiting rod is fixedly arranged on each swing shaft, a rod body of each limiting rod is arranged in each limiting hole, and each limiting hole is a strip hole or a round hole with the diameter larger than the rod diameter of each limiting rod.

The frame comprises an upper plate, a lower plate, a left plate and a right plate, wherein the left end of the upper plate is hinged with the upper end of the left plate, the lower end of the left plate is hinged with the left end of the lower plate, the right end of the lower plate is hinged with the lower end of the right plate, the upper end of the right plate is hinged with the right end of the upper plate, and the strip hole is formed in the upper plate or the lower plate.

The plate surface of the pedal is flush with or below the horizontal center line of the pulley.

The pedal is provided with a front plate and a rear plate, and the rear end of the front plate is movably inserted with the front end of the rear plate.

Each pulley in the pulley assembly at the front end of the pedal is a non-return pulley.

The pedal is provided with a shoe cover or a binding belt for fixing the front part of the shoe.

The pedal is provided with a shoe, the front part of the shoe is connected with the pedal, and the bottom surface of the rear part of the shoe is movably pressed with the pedal.

The utility model discloses a use method is: the athlete can step on the pedals with double feet and fix the shoes and the pedals, the athlete can hold the auxiliary support of the skiing stick by hand and simulate cross-country skiing sports on different slopes of asphalt roads, cement, headstones and ground lands, such as traditional skiing, walking skiing, rotary skiing on high hills and slopes and other technical actions, and can also simulate skating and original skill actions by hands.

The utility model has the advantages that:

1) the footboard can carry out the deflection of left and right direction under two pulley assembly's support through the pendulum shaft, can adapt to the angle of pedaling of shank under the condition that four supporting wheels contacted with ground, compare traditional pulley shoes, the land skate of this application can provide steady support for the sportsman, its equilibrium is good, danger is low, and easily control, and the footboard of deflection can be better simulate out the holding power that the ski inclined pressure produced on the snow surface, it is equivalent with the use experience of ski, can simulate out sensation when real snowfield training on land, consequently, can simulate on land and carry out the snow sports such as slide, competition, body-building, cross-country adventure.

2) When the ice-pedaling skating is performed, the legs are pedaled in the lateral direction to enable the pedals to rotate along with the pedaled angles of the legs, the swing shafts in the pulley assemblies at the front end and the rear end are driven to rotate, the swing shafts drive the limiting rods to poke the upper plate or the lower plate corresponding to the limiting rods when rotating and are limited by the hinged structures of the limiting rods, the frames in the two wheel changing assemblies are subjected to parallelogram deformation under the constraint of the hole pitch of the long strip holes, the pulleys at the left end and the right end of the two frames in the pulley block and the pedaled angles form the same sliding angle, the four pulleys at the left side and the right side form the same driving angle with the pedaled angles, and turning and curve skating are smooth.

3) Most of the existing ski wheels are single-arm and single-row wheels supported front and back, the track is long, the gravity center is high, balance is not easy to master, the action is inconvenient, the existing ski wheels can only be applied by sporters training professional skills, and ordinary beginners are difficult to drive. In this application, can reduce the focus with the footboard of the horizontal central line parallel and level of pulley or be less than the horizontal central line of pulley, compare traditional skiing wheel, the parallel two points of low gravity center pulley double round support is balanced good, and it is safer to slide at a high speed.

4) The structure that front bezel and back plate pegged graft can adapt to the shoes use of different sizes, expands its range of application.

5) The structure supports the traditional skiing method for simulating cross-country skiing on snow, the supporting legs can be used for clamping the ground by the front reverse brake pulley, then the ground is pulled off, the force is exerted, the back pedaling is exerted, the other foot pulley slides forwards, the body is pushed to move forwards linearly, and therefore the starting speed is improved.

6) In the structure that the shoe cover is fixed at the front part of the shoe to allow the heel of the shoe to be lifted and the front part of the shoe is connected with the pedal to allow the heel to be lifted, when a player does the action of lifting the heel, the pulleys on the pulley assemblies at the front end and the rear end of the pedal can be always contacted with the ground, and the support property is good.

Drawings

Fig. 1 is a schematic diagram of an axial view structure of the land cross-country pulley of the present invention.

Fig. 2 is a schematic diagram of a front view structure of the land cross-country pulley of the present invention.

Fig. 3 is a schematic diagram of a top view structure of the land cross-country pulley according to the present invention.

In the figure, the horizontal middle lines of 1 pulley, 2 wheel frames, 3 wheel shafts, 4 left plates, 5 lower plates, 6 bearing seats, 7 bearings, 8 swing shafts, 9 right plates, 10 limiting holes, 11 limiting rods, 12 upper plates, 13 tilting parts, 14 shoe front parts, 15 shoe covers, 16 shoes, 17 shoe rear parts, 18 rear plates, 19 binding bands, 20 jackscrews, 21 front plates, 22 shoe soles and 23 pulleys are shown.

Detailed Description

A land cross-country pulley comprises a pedal, pulley assemblies are respectively arranged at the front end and the rear end of the pedal, each pulley assembly is provided with a quadrilateral frame, a hole is formed in each frame, pulleys 1 are respectively arranged at the left end and the right end of each frame, a swing shaft 8 which is rotatably connected with each frame is arranged in each frame, the shaft end of each swing shaft is fixedly connected with the pedal, a limiting rod 11 is fixedly arranged on each swing shaft, the rod body of each limiting rod is arranged in a limiting hole 10, and each limiting hole is a strip hole or a round hole with the diameter larger than the diameter of the rod of each limiting rod.

The frame comprises an upper plate 12, a lower plate 5, a left plate 4 and a right plate 9, wherein the left end of the upper plate is hinged with the upper end of the left plate, the lower end of the left plate is hinged with the left end of the lower plate, the right end of the lower plate is hinged with the lower end of the right plate, the upper end of the right plate is hinged with the right end of the upper plate, and the strip holes are formed in the upper plate or the lower plate.

The surface of the pedal is flush with or below the horizontal midline 23 of the pulley.

The pedal is provided with a front plate 21 and a rear plate 18, and the rear end of the front plate is movably inserted with the front end of the rear plate.

The pedal is provided with a shoe cover 15 or a binding band 19 for fixing the front part of the shoe.

The pedal is provided with a shoe 16, the front part 14 of the shoe is connected with the pedal, and the bottom surface of the rear part 17 of the shoe is movably pressed with the pedal.

The pedal and the frame are made of high-strength steel plates, wherein two ends of the pedal are respectively provided with a tilting part 13 connected with the swing shaft, the tilting parts can provide front and rear vertex support for the shoes, and front and rear pedaling force applied to the shoes can be better transmitted to the pedal through the tilting parts.

The pulley adopts a standard pulley with the diameter of 100mm, the wheel shaft 3 of the pulley is arranged on a corresponding frame through a wheel frame 2, the wheel frame is a U-shaped frame made of a flat steel mast, the opening end of the U-shaped frame is connected with the wheel shaft of the pulley, the frame body of the U-shaped frame is connected with the frame into a whole through a welding process, the opening face of the U-shaped frame positioned in the front part faces the front part, and the opening face of the U-shaped frame positioned in the rear part faces the rear part.

The swing shaft is rotatably connected to the frame through a bearing, a bearing seat 6 of the bearing 7 is fixedly arranged in the frame, the swing shaft and the limiting shaft are both formed by turning a cold-rolled steel rod, the shaft body of the swing shaft is formed by the bearing and is rotatably connected to the frame, and one end of the swing shaft is fixedly connected with the pedal in a welding mode or is fixedly connected with the pedal through threads. The limit rod is in threaded connection with the swing shaft, namely a screw hole is formed in the swing shaft, the end, opposite to the swing shaft, of the limit rod is a screw rod end, and the limit rod is fixedly arranged on the swing shaft through screwing of threads of the screw rod screw hole.

The strip hole and the round hole are used for restricting the swing range of the limiting rod, so as to restrict the rotation angle of the swing shaft, under the general condition, the strip hole is long along the swing direction of the limiting rod or the circumferential direction of the swing shaft, the strip hole comprises an elliptical hole, the strip hole is in the working principle, when the hole is a round hole with the diameter larger than the limiting rod, the strip hole can play a restriction role, but the swing direction of the limiting rod in the round hole is still in a straight reciprocating shape, and the strip hole is generally arranged on the upper end surface and the lower end surface of the frame for the convenience of assembly and manufacture.

The upper plate, the lower plate, the left plate and the right plate are hinged through hinge shafts, are similar to a hinge mechanism, are subjected to downward pressure of a pedal and supporting force of pulleys, generate parallelogram deformation among the upper plate, the lower plate, the left plate and the right plate, the deformation is used for being matched with the fluctuation change of a road surface or the pedaling angle change of athletes, and the deformation range of the parallelogram is also restricted by the limiting rod.

The inserting structure comprises a front plate inserted into a groove of a rear plate or a rear plate inserted into a groove of the front plate, the inserting mode can adopt dovetail groove type inserting movable inserting, or one plate is provided with a slot or a jack, and the plate body of the other plate is inserted into the slot or the jack; a positioning mechanism used for limiting the relative position between the front plate and the rear plate is arranged between the front plate and the rear plate, the positioning mechanism can be a jackscrew 20 and a screw hole, the jackscrew is in threaded connection with the screw hole, the screw hole is arranged on one of the blocks and is opposite to the plate surface of the other plate, and when the jackscrew is screwed in, the end of the jackscrew is in pressure joint with the plate surface of the other plate, so that the relative position between the front plate and the rear plate is fixed; the positioning mechanism can also be a through pin and a hole, one of the two plates is provided with a lock hole, the other plate is provided with a plurality of front and back side-by-side positioning holes which are opposite to the lock hole in sequence, and one positioning hole is selected to be opposite to the lock hole and is plugged into the through pin for positioning according to needs so as to fix the relative positions of the front plate and the back plate.

The non-return pulley is also called as a one-way wheel, and can only rotate in one direction around the wheel shaft, so that the non-return pulley can assist the athlete to start in a digging way by utilizing the characteristics of the non-return pulley.

The shoe cover and the bandage are parts for fixing the shoe, wherein the bandage is used in pairs, one end of each of the two bandages is bolted with the pedal, the other end of each of the two bandages is tied around the vamp to be locked, so that the shoe is fixed on the pedal, and the bandage is also provided with an elastic section or the whole bandage is an elastic bandage; the shoe cover is pocket-shaped, can cover the front part of the shoe, and the edge of the shoe cover is connected with the pedal, so that the shoe is fixed on the pedal; the shoe cover or the binding belt also comprises a connection mode of a letter adhesive tape, two ends of the primary and secondary adhesive tapes are connected with the pedal, then the secondary buckle belt is pressed on the vamp, the primary buckle belt is pressed on the secondary buckle belt, and the shoe is fixed on the pedal through the viscosity of the primary buckle belt and the secondary buckle belt; other shoe-fixing structures may refer to the connection structure between a skateboard or snowboard and a shoe.

The shoes are special sports shoes for roller sports, a quick-release mechanism is arranged between the front parts of the shoes and the pedals, the shoes can be conveniently installed on the pedals or taken down from the pedals for cleaning and maintenance, moreover, the front parts of the shoes and the pedals can be integrally connected in a clamping, bonding, sewing, screw fixing and other modes, and in order to achieve the technical effect, the soles 22 of the shoes are soft soles.

Claims

1. Cross-country pulley on land, its characterized in that: the pedal comprises a pedal, wherein pulley assemblies are respectively arranged at the front end and the rear end of the pedal, each pulley assembly is provided with a quadrangular frame, a hole is formed in each frame, pulleys (1) are respectively arranged at the left end and the right end of each frame, a swing shaft (8) which is connected in a rotating mode is arranged in each frame, the shaft end of each swing shaft is fixedly connected with the pedal, a limiting rod (11) is fixedly arranged on each swing shaft, the rod body of each limiting rod is arranged in a limiting hole (10), each limiting hole is a strip hole or a round hole with the diameter larger than that of each limiting rod, the frame is composed of an upper plate (12), a lower plate (5), a left plate (4) and a right plate (9), the left end of the upper plate is hinged to the upper end of the left plate, the lower end of the left plate is hinged to the left end of the lower plate, the right end of the lower plate is hinged to the lower end of the right plate, the upper end.

2. The land off-road sheave of claim 1, wherein: the surface of the pedal is flush with or below the horizontal center line (23) of the pulley.

3. The land off-road sheave of claim 1, wherein: the pedal is provided with a front plate (21) and a rear plate (18), and the rear end of the front plate is movably inserted with the front end of the rear plate.

4. The land off-road sheave of claim 1, wherein: each pulley in the pulley assembly at the front end of the pedal is a non-return pulley.

5. The land off-road sheave of claim 1, wherein: the pedal is provided with a shoe cover (15) or a binding band (19) for fixing the front part of the shoe.

6. The land off-road sheave of claim 1, wherein: the pedal is provided with a shoe (16), the front part (14) of the shoe is connected with the pedal, and the bottom surface of the rear part (17) of the shoe is movably pressed with the pedal.