CN211705782U

CN211705782U - Stretching device for body building exercise

Info

Publication number: CN211705782U
Application number: CN201922183923.6U
Authority: CN
Inventors: 韦海燕
Original assignee: Hubei Polytechnic University
Current assignee: Hubei Polytechnic University
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-10-20
Anticipated expiration: 2029-12-09

Abstract

The utility model relates to the technical field of sports goods, in particular to a stretching device for body building exercise, which comprises a base and a limit screw, wherein an adjusting handle is fixedly connected to the outer side of the limit screw, a limit block is rotatably connected to the inner side of the limit screw, a pedal device is arranged at the inner side of the limit block, a guide rod is slidably connected to the inner side of the pedal device, a return spring is arranged at the outer side of the guide rod, a vertical support is detachably connected to the upper end of the base, an adjusting bolt is rotatably connected to the front end of the vertical support, a connecting rod is slidably connected to the inner side of the vertical support, a horizontal support is fixedly connected to the upper end of the; the utility model discloses in, through the stop screw, stopper and the step device that set up, can control tensile range, the people of the various statures of being convenient for use, also can protect tensile in-process user of service simultaneously, prevent to stretch in-process injured.

Description

Stretching device for body building exercise

Technical Field

The utility model relates to a sports goods technical field specifically is a stretching device is used in body building exercise.

Background

The aerobics exercises are sports which are deeply loved by the masses and have strong popularity, integrate gymnastics, dancing, music, fitness and entertainment, and absorb the actions of upper and lower limbs, trunk, head and neck and foot treading in disco dancing, jazz dancing and thunderbolt dancing in a large amount, especially hip action, which adds vitality to the aerobics exercises, is also beneficial to reducing the fat accumulation of the hip and the abdomen, is beneficial to improving the coordination and the flexibility of the action, the aerobics exercises are aerobic exercises, are characterized by continuous whole body exercises with certain time and middle and low degrees, mainly exercise the cardio-pulmonary function of exercisers, are the basis of aerobic endurance quality, have various advantages when jumping the aerobics exercises, not only can help people to effectively build the body, but also has the effect of losing weight, and stretching exercise is needed before the exercise of aerobics exercises, otherwise the stretching exercise is easy to sprain during the exercise.

At present, most people do not rely on external equipment to stretch in situ before practicing aerobics exercises, so that insufficient stretching and poor stretching effect are easily caused, part of stretching devices do not have adjusting functions and cannot be used by people of different figures, the stretching amount cannot be adjusted, and muscle is easily damaged due to excessive stretching, so that the stretching device for practicing aerobics exercises is provided aiming at the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a draw gear is used in body building exercise to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a stretching device for fitness exercise comprises a base and a limiting screw, wherein the inner side of the base is rotatably connected with the limiting screw, an adjusting handle is fixedly connected to the outer side of the limiting screw, a limiting block is rotatably connected to the inner side of the limiting screw, a pedal device is arranged on the inner side of the limiting block, the lower end of the pedal device is slidably connected with the base, a guide rod is slidably connected to the inner side of the pedal device, the left end and the right end of the guide rod are fixedly connected with the base, a return spring is arranged on the outer side of the guide rod, the left end and the right end of the return spring are fixedly connected with the pedal device, a vertical support is detachably connected to the upper end of the base, an adjusting bolt is rotatably connected to the front end of the vertical support, a connecting rod is slidably connected to the inner side of the, the lower end of the connecting ring is fixedly connected with a lifting rope, and the lower end of the lifting rope is fixedly connected with a handrail.

Preferably, the pedal device comprises a pedal, an anti-slip pad and a foot blocking block, the lower end and the inner side of the pedal are respectively connected with the base and the guide rod in a sliding manner, the end surface of the inner side of the pedal is fixedly connected with a return spring, the upper end of the pedal is fixedly connected with the anti-slip pad, the outer side of the anti-slip pad is provided with the foot blocking block, the lower end of the foot blocking block is fixedly connected with the pedal, the inner side of the pedal is provided with a slide rod, the upper end and the lower end of the slide rod are fixedly connected with the pedal, the outer side of the slide rod is provided with a compression spring, the upper end of the compression spring is fixedly connected with the pedal, the lower end of the compression spring is fixedly connected with a locking block, the inner side of the locking block is connected with the slide rod in a sliding manner, the lower side of the locking block is provided with an electric telescopic cylinder, the left, the inner side of the blocking foot block is fixedly connected with a trigger switch.

Preferably, the number of the limit screws is 2, and the limit screws are symmetrically distributed on the left side and the right side of the vertical central line of the base.

Preferably, the upper end face in the base is provided with limiting grooves, the number of the limiting grooves is 6, and the limiting grooves are uniformly distributed on the upper end face in the base.

Preferably, the connecting rod is cylindrically arranged, and the front end face of the connecting rod is provided with a limiting hole.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, the limiting bolt can be rotated by rotating the adjusting handle through the arranged limiting screw rod and the limiting block, the limiting bolt is screwed into the base to push the limiting block, the limiting block can limit the pedal devices, and the muscle is prevented from being excessively damaged by stretching due to overlarge distance between the pedal devices, the arrangement structure is simple, the stretching amplitude can be controlled, and the utility model is convenient for people of various figures to use;

2. the utility model discloses in, through the step device that sets up, the foot is placed in the slipmat upper end, and when having uncomfortable sensation among the tensile process, with tiptoe or foot side touching trigger switch, put through the power of electric telescopic cylinder, electric telescopic handle shrink, the locking piece makes the position locking of step board, and is no longer tensile in the spacing groove that the base was seted up along litter sliding card under compression spring's effect to prevent to stretch the in-process injured.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the installation structure of the pedal device of the present invention.

In the figure: 1-base, 2-limit screw, 3-adjusting handle, 4-limit block, 5-pedal device, 501-pedal, 502-non-slip mat, 503-block foot block, 504-slide rod, 505-compression spring, 506-locking block, 507-electric telescopic cylinder, 508-battery, 509-trigger switch, 6-guide rod, 7-return spring, 8-vertical support, 9-adjusting bolt, 10-connecting rod, 11-horizontal support, 12-connecting ring, 13-lifting rope, 14-armrest, 15-limit groove, 16-limit hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution:

a stretching device for body building exercises comprises a base 1 and a limit screw 2, wherein the inner side of the base 1 is rotatably connected with the limit screw 2, the outer side of the limit screw 2 is fixedly connected with an adjusting handle 3, the inner side of the limit screw 2 is rotatably connected with a limit block 4, the inner side of the limit block 4 is provided with a pedal device 5, the lower end of the pedal device 5 is slidably connected with the base 1, the inner side of the pedal device 5 is slidably connected with a guide rod 6, the left end and the right end of the guide rod 6 are fixedly connected with the base 1, the outer side of the guide rod 6 is provided with a return spring 7, the left end and the right end of the return spring 7 are fixedly connected with the pedal device 5, the upper end of the base 1 is detachably connected with a vertical support 8, the front end of the vertical support 8 is rotatably connected with an adjusting bolt 9, the inner side of the vertical support 8, the outer side of the horizontal support 11 is connected with a connecting ring 12 in a sliding manner, the lower end of the connecting ring 12 is fixedly connected with a lifting rope 13, and the lower end of the lifting rope 13 is fixedly connected with a handrail 14.

The pedal device 5 comprises a pedal 501, an anti-skid pad 502 and a foot blocking block 503, wherein the lower end and the inner side of the pedal 501 are respectively connected with the base 1 and the guide rod 6 in a sliding manner, the end surface of the inner side of the pedal 501 is fixedly connected with a return spring 7, the upper end of the pedal 501 is fixedly connected with the anti-skid pad 502, the foot blocking block 503 is arranged on the outer side of the anti-skid pad 502, the lower end of the foot blocking block 503 is fixedly connected with the pedal 501, a slide rod 504 is arranged on the inner side of the pedal 501, the upper end and the lower end of the slide rod 504 are both fixedly connected with the pedal 501, a compression spring 505 is arranged on the outer side of the slide rod 504, the upper end of the compression spring 505 is fixedly connected with the pedal 501, a locking block 506 is fixedly connected with the lower end of the compression spring 505, the inner side of the locking block 506 is connected with the slide rod 504 in a sliding manner, an electric, electric telescopic cylinder 507 upper end fixedly connected with battery 508, the battery 508 outside and step 501 fixed connection, the inboard fixedly connected with trigger switch 509 of step piece 503, this kind of setting can be protected the user, prevents to be injured, the quantity of stop screw 2 is 2, and 2 symmetric distribution of stop screw are in the left and right sides of the vertical central line of base 1, spacing groove 15 has been seted up to the inside up end of base 1, the quantity of spacing groove 15 is 6, and spacing groove 15 all with distribute at the inside up end of base 1, this kind of setting can realize restricting the position of step device, connecting rod 10 is cylindric setting, and connecting rod 10 preceding terminal surface has seted up spacing hole 16, the height of handrail 14 can be adjusted in this kind of setting, the personnel that are convenient for adapt to various figures use.

The electric telescopic cylinder 507 is SDA32-5, and the battery 508 is D72.

The working process is as follows: the electric appliance is an external power supply, the base 1 can support the whole device, the size is adjusted according to personal stature before use, the adjusting handle 3 is screwed, the adjusting handle 3 rotates to drive the limiting screw 2 to rotate, the limiting screw 2 is screwed into the base 1 through thread matching to push the limiting block 4, the limiting block 4 contracts inwards to push the pedal device 5, so that the maximum stretching amount is adjusted, the adjusting bolt 9 is screwed to separate the vertical support 8 from the connecting rod 10, the connecting rod 10 is pulled to be adjusted to a proper position, the adjusting bolt 9 is screwed into the limiting hole 16, the height of the handrail 14 can be adjusted, the connecting ring 12 can slide left and right outside the horizontal support 11 to facilitate use, two feet are placed at the upper end of the pedal 501 of the pedal device 5, the anti-skid pad 502 can play an anti-skid role, and the battery 508 provides electric energy for the electric telescopic cylinder 507, two feet expand to both sides, can stretch, it is untimely to feel in the process of stretching, touch trigger switch 509 with tiptoe or foot side, put through the power of electronic telescoping cylinder 507, electric telescopic handle 507 contracts, make locking piece 506 slide the card in the spacing groove 15 that base 1 seted up along litter 504 under compression spring 505's effect, make the position locking of step board 501, no longer stretch, this kind of setting can be protected the user of service, prevent to stretch in-process injury, when not using, step device 5 gets back to the position at base 1 middle part along guide arm 6 under return spring 7's pulling force effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a stretching device is used in vigorous and graceful exercise, includes base (1) and stop screw (2), its characterized in that: the inner side of the base (1) is rotatably connected with the limit screw (2), the outer side of the limit screw (2) is fixedly connected with an adjusting handle (3), the inner side of the limit screw (2) is rotatably connected with a limit block (4), the inner side of the limit block (4) is provided with a pedal device (5), the lower end of the pedal device (5) is slidably connected with the base (1), the inner side of the pedal device (5) is slidably connected with a guide rod (6), the left end and the right end of the guide rod (6) are fixedly connected with the base (1), the outer side of the guide rod (6) is provided with a return spring (7), the left end and the right end of the return spring (7) are fixedly connected with the pedal device (5), the upper end of the base (1) is detachably connected with a vertical support (8), the front end of the vertical support (8) is rotatably connected with an adjusting bolt (9), the inner, the connecting rod (10) upper end fixedly connected with horizontal stand (11), horizontal stand (11) outside sliding connection has go-between (12), go-between (12) lower extreme fixedly connected with lifting rope (13), lifting rope (13) lower extreme fixedly connected with handrail (14).

2. The stretching device for body building practice according to claim 1, characterized in that: the pedal device (5) comprises a pedal (501), an anti-skid pad (502) and a foot blocking block (503), the lower end and the inner side of the pedal (501) are respectively in sliding connection with the base (1) and the guide rod (6), the end face of the inner side of the pedal (501) is fixedly connected with the return spring (7), the upper end of the pedal (501) is fixedly connected with the anti-skid pad (502), the foot blocking block (503) is arranged on the outer side of the anti-skid pad (502), the lower end of the foot blocking block (503) is fixedly connected with the pedal (501), a slide rod (504) is arranged on the inner side of the pedal (501), the upper end and the lower end of the slide rod (504) are fixedly connected with the pedal (501), a compression spring (505) is arranged on the outer side of the slide rod (504), the upper end of the compression spring (505) is fixedly connected with the pedal (501), and a locking block (506) is fixedly connected with the lower end, the utility model discloses a lock, including lock piece (506) inboard and litter (504) sliding connection, lock piece (506) downside is equipped with electronic telescoping cylinder (507), electronic telescoping cylinder (507) left end and footboard (501) fixed connection, electronic telescoping cylinder (507) upper end fixedly connected with battery (508), battery (508) outside and footboard (501) fixed connection, the inboard fixedly connected with trigger switch (509) of block foot piece (503).

3. The stretching device for body building practice according to claim 1, characterized in that: the number of the limiting screw rods (2) is 2, and the limiting screw rods (2) are symmetrically distributed on the left side and the right side of the vertical center line of the base (1).

4. The stretching device for body building practice according to claim 1, characterized in that: limiting grooves (15) are formed in the upper end face inside the base (1), the number of the limiting grooves (15) is 6, and the limiting grooves (15) are evenly distributed in the upper end face inside the base (1).

5. The stretching device for body building practice according to claim 1, characterized in that: the connecting rod (10) is arranged in a cylindrical shape, and a limiting hole (16) is formed in the front end face of the connecting rod (10).