CN212308764U

CN212308764U - Physical training sit-up device

Info

Publication number: CN212308764U
Application number: CN202021004915.7U
Authority: CN
Inventors: 胡广书
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2021-01-08
Anticipated expiration: 2030-06-04

Abstract

The utility model relates to a body-building apparatus equipment technical field, concretely relates to physical training sit up device, including bearing the mechanism, it includes the bearing plate to bear the mechanism, the straight flute has been seted up at the bearing plate middle part, bearing plate one end has linked firmly first base, the both sides wall that the bearing plate deviates from first base one end has linked firmly the straight-bar, two about its vertical central line symmetry on the straight-bar outer cylinder all linked firmly the handle. The utility model discloses in, drive gear revolve through shaking the rocker to drive the pinion rack along vertical direction upward movement with gear engagement, and then the square plate that jack-up and pinion rack linked firmly, convenient to use person has done the exhaustive future of motion and has risen up, through cup jointing the sliding frame at the bearing plate, makes the sliding frame can drive two square plates and slide on the bearing plate, and then can make the user roll up the abdominal motion, has increased this physical training sit up device's functionality.

Description

Physical training sit-up device

Technical Field

The utility model relates to a body-building apparatus equipment technical field, concretely relates to sit up device is tempered in sports.

Background

Among the activities, sit-up is a commonly done exercise. In order to improve physical quality and relieve the pressure brought to people by work and life, more and more people choose to participate in the fitness activity in idle time.

The existing sit-up device causes inconvenience of getting up because of no supporting point after the beginner is exhausted, and is easy to fall down from the sit-up device, and the general sit-up device has single function and can only do sit-up exercise.

SUMMERY OF THE UTILITY MODEL

In order to overcome the technical problem, the utility model aims to provide a sit up device is tempered in sports, drive gear revolve through shaking the rocker, thereby drive the pinion rack along vertical direction upward movement with gear engagement, and then the square plate that jack-up and pinion rack linked firmly, convenient to use person has done the exhausted later stand up of sports power, through cup jointing the sliding frame at the bearing plate, make the sliding frame can drive two square plates and slide on the bearing plate, and then can make the user roll up the abdominal motion, the functionality of this sit up device is tempered in sports has been increased.

The purpose of the utility model can be realized by the following technical scheme:

a sit-up device for physical exercise comprises a bearing mechanism, wherein the bearing mechanism comprises a bearing plate, the middle part of the bearing plate is provided with a straight groove, one end of the bearing plate is fixedly connected with a first base, two straight rods are fixedly connected with two side walls of the bearing plate, which are deviated from one end of the first base, through vertical central line symmetry, handles are fixedly connected with two outer cylindrical surfaces of the straight rods, a supporting mechanism is arranged at the bottom end of the bearing plate, which is close to one side of the straight rods, the supporting mechanism comprises a second supporting rod, the second supporting rod is rotatably connected with the bearing plate through a rotating shaft, a first supporting rod is fixedly sleeved at one end of the second supporting rod, which is deviated from the bearing plate, one end of the first supporting rod, which is deviated from the second supporting rod, is fixedly connected with a second base, the top end of the bearing plate is provided with a belly rolling mechanism, the belly rolling mechanism comprises two square, wherein the bottom of one square plate close to one side of the first base is fixedly connected with a toothed plate, the bottom of the other square plate close to one side of the straight rod is fixedly connected with a sliding frame, the sliding frame is fixedly connected with a bearing plate in a sleeved mode, the bottom end of the sliding frame is fixedly connected with a suspension frame, a abdicating groove is formed in the middle position of the suspension frame, one side of the suspension frame is rotatably connected with a rocker, a gear meshed with the toothed plate is fixedly connected onto an outer cylindrical surface at one end of the rocker, the gear is positioned in the abdicating groove formed in the suspension frame, a straight groove is formed in the middle of the bearing plate, the bearing plate is prevented from abutting against the toothed plate when the square plate drives the toothed plate to move, handles are fixedly connected onto the outer cylindrical surfaces of the two straight rods, a user can conveniently kneel on the two square plates by means of external force, the second supporting rod is rotatably connected with the bearing plate through a rotating shaft, so that the, and two square boards rotate through the pivot and connect, and the bottom that one of them square board is close to first base one side has linked firmly the pinion rack, and convenient to use person utilizes the rocker to drive gear revolve to the jack-up has linked firmly the square board of pinion rack, makes the user can independently rise after the motion.

Further, the method comprises the following steps: the top ends of the two square plates are fixedly connected with rubber pads, so that the skin of a user is prevented from being clamped when the square plates rotate, and the skin is prevented from being injured.

Further, the method comprises the following steps: the top of first base has linked firmly the U type pad, plays the guard action to user's head, first base has linked firmly four reset spring on being close to a lateral wall of bearing plate, and two liang about bearing plate symmetrical arrangement, four reset spring deviates from the one end of first base and links firmly with the sliding frame, has increased the intensity of motion when the square slab slides.

Further, the method comprises the following steps: three through-holes have been seted up on the second bracing piece, and the distance equals between two arbitrary adjacent through-holes, and convenient to use person adjusts this physical training sit up device's height, and it is required to satisfy different crowds.

Further, the method comprises the following steps: all linked firmly two foot rests on the wall of first bracing piece both sides, the screens of person's of facilitating the use foot, set up the round hole that the cooperation through-hole used on the first bracing piece, be convenient for adjust this physical training sit up device's height.

Further, the method comprises the following steps: first base has all linked firmly the slipmat with the bottom of second base, has avoided this physical training sit up device's random slip, has reduced the use risk.

The utility model has the advantages that:

1. drive gear revolve through shaking the rocker to drive the pinion rack along vertical direction upward movement with gear engagement, and then the square plate that jack-up and pinion rack linked firmly, convenient to use person has done the exhaustive future of motility and has risen up, through cup jointing the sliding frame at the bearing plate, makes the sliding frame can drive two square plates and slide on the bearing plate, and then can make the user can roll up the abdomen motion, has increased this physical training sit up device's functionality.

Drawings

The present invention will be further described with reference to the accompanying drawings.

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

fig. 2 is a schematic structural view of the middle abdomen rolling mechanism of the present invention;

fig. 3 is an exploded view of the middle abdomen rolling mechanism of the present invention;

FIG. 4 is a schematic view of the present invention showing the overall structure from different angles;

fig. 5 is a schematic view of the storage state of the middle support mechanism of the present invention.

In the figure: 100. a carrying mechanism; 110. a bearing plate; 111. a straight groove; 120. a first base; 121. a U-shaped pad; 122. a return spring; 130. a straight rod; 131. a grip; 200. a support mechanism; 210. a first support bar; 211. a foot rest; 220. a second support bar; 221. a through hole; 230. a second base; 300. a belly rolling mechanism; 310. a square plate; 311. a toothed plate; 312. a sliding frame; 320. a rubber pad; 330. a suspension bracket; 331. a rocker; 332. a gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, a sit-up apparatus for physical exercise comprises a bearing mechanism 100, the bearing mechanism 100 comprises a bearing plate 110, a straight groove 111 is formed in the middle of the bearing plate 110, one end of the bearing plate 110 is fixedly connected with a first base 120, two side walls of one end of the bearing plate 110, which is far away from the first base 120, are symmetrically and fixedly connected with two straight rods 130 about a vertical central line thereof, outer cylindrical surfaces of the two straight rods 130 are fixedly connected with grips 131, a supporting mechanism 200 is arranged at the bottom end of one side of the bearing plate 110, which is close to the straight rods 130, the supporting mechanism 200 comprises a second supporting rod 220, the second supporting rod 220 is rotatably connected with the bearing plate 110 through a rotating shaft, one end of the second supporting rod 220, which is far away from the bearing plate 110, is fixedly connected with a first supporting rod 210 in a sleeved manner, one end of the first supporting rod 210, which is far away from the second supporting rod 220, is fixedly, the adjacent sides of the two square plates 310 are rotatably connected through a rotating shaft, the bottom end of one square plate 310 close to the first base 120 is fixedly connected with a toothed plate 311, the bottom end of the other square plate 310 close to one side of the straight rod 130 is fixedly connected with a sliding frame 312, the sliding frame 312 is fixedly sleeved on the bearing plate 110, the bottom end of the sliding frame 312 is fixedly connected with a suspension frame 330, the middle position of the suspension frame 330 is provided with an abdicating groove, one side of the suspension frame 330 is rotatably connected with a rocker 331, the outer cylindrical surface at one end of the rocker 331 is fixedly connected with a gear 332 meshed with the toothed plate 311, the gear 332 is positioned in the abdicating groove arranged on the suspension frame 330, the middle part of the bearing plate 110 is provided with a straight groove 111, so that when the square plate 310 drives the toothed plate 311 to move, the bearing plate 110 is prevented from abutting against the toothed plate 311, the outer cylindrical surfaces of the two straight rods 130 are fixedly connected with handles 131, a user can conveniently sit on the square plates 310, accomodate of this physical training sit up device is convenient for, roll up abdomen mechanism 300 and include two square boards 310, and two square boards 310 rotate through the pivot and connect, and wherein the bottom that a square board 310 is close to first base 120 one side has linked firmly pinion rack 311, and convenient to use person utilizes rocker 331 to drive gear 332 and rotates to the jack-up has linked firmly pinion rack 311's square board 310, makes the user can independently rise after the motion.

The top ends of the two square plates 310 are fixedly connected with a rubber pad 320 to prevent the square plates 310 from clamping the skin of a user when rotating and causing damage to the skin, the top end of the first base 120 is fixedly connected with a U-shaped pad 121 to protect the head of the user, one side wall of the first base 120 close to the bearing plate 110 is fixedly connected with four reset springs 122, every two of the four reset springs 122 are symmetrically arranged about the bearing plate 110, one ends of the four reset springs 122 departing from the first base 120 are fixedly connected with a sliding frame 312 to increase the movement strength of the square plates 310 when sliding, the second support rod 220 is provided with three through holes 221, the distance between any two adjacent through holes 221 is equal, the user can conveniently adjust the height of the physical exercise sit-up device to meet the requirements of different crowds, two foot stands 211 are fixedly connected on two side walls of the first support rod 210 to facilitate the clamping of the feet of the user, the first support rod 210 is provided with a circular hole used by matching with the through, be convenient for adjust the height of this sit up device is tempered in sports, first base 120 has all linked firmly the slipmat with the bottom of second base 230, has avoided this sit up device is tempered in sports's random slip, has reduced the use risk.

The two side walls of the sliding frame 312 and the two side walls of the bearing plate 110 are provided with abdicating holes for matching, so that a user can fix the bearing plate 110 by using the pin shaft conveniently.

The working principle is as follows: when the physical training sit-up device is used, a user inserts the pin shaft into the through hole 221 and the round hole at the corresponding position to fix according to the self condition by using the through hole 221 formed in the second support rod 220, the height of the physical training sit-up device is adjusted, when the user starts to sit up, the user lies on the rubber pad 320, the leg part is erected on the straight rod 130, and the two feet are clamped by the foot stand 211 fixedly connected to the first support rod 210;

after the user has done the sit up, drive gear 332 and rotate through shaking rocker 331 to drive the pinion rack 311 with the gear 332 meshing and follow vertical direction upward movement, and then jack-up and the square plate 310 that pinion rack 311 links firmly, make the user conveniently stand up, if the user needs to roll up the abdomen motion, then the user kneels and sits on rubber pad 320, grip 131 is held to both hands, user's belly strength, make sliding frame 312 slide on bearing plate 110, reset spring 122 is used for resetting it.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only, and various modifications, additions and substitutions as described for the specific embodiments described herein may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.

Claims

1. The utility model provides a sit-up device for physical exercise, includes bearing mechanism (100), its characterized in that, bearing mechanism (100) includes bearing plate (110), straight flute (111) have been seted up at bearing plate (110) middle part, bearing plate (110) one end has linked firmly first base (120), two straight-bars (130) have been linked firmly about its vertical central line symmetry to the both sides wall that bearing plate (110) deviates from first base (120) one end, two all linked firmly handle (131) on straight-bar (130) the outer cylinder, the bottom that bearing plate (110) is close to straight-bar (130) one side is provided with supporting mechanism (200), supporting mechanism (200) include second bracing piece (220), and second bracing piece (220) are connected through axis of rotation and bearing plate (110) rotation, the one end that second bracing piece (220) deviates from bearing plate (110) is cup jointed and is fixed with first bracing piece (210), one end of the first supporting rod (210) deviating from the second supporting rod (220) is fixedly connected with a second base (230), the top end of the bearing plate (110) is provided with a roll belly mechanism (300), the roll belly mechanism (300) comprises two square plates (310), one side of the two square plates (310) adjacent to each other is rotatably connected through a rotating shaft, the bottom end of one square plate (310) close to one side of the first base (120) is fixedly connected with a toothed plate (311), the bottom end of the other square plate (310) close to one side of the straight rod (130) is fixedly connected with a sliding frame (312), the sliding frame (312) is fixedly connected to the bearing plate (110) in a sleeved mode, the bottom end of the sliding frame (312) is fixedly connected with a suspension bracket (330), a yielding groove is formed in the middle position of the suspension bracket (330), one side of the suspension bracket (330) is rotatably connected with a rocker (331), a gear (332) meshed with the toothed plate (311) is fixedly connected to the outer cylindrical surface of, and the gear (332) is positioned in an abdicating groove formed on the suspension bracket (330).

2. A sit-up apparatus for physical exercise according to claim 1, wherein rubber pads (320) are attached to the top ends of the two square plates (310).

3. A sit-up apparatus for physical exercise according to claim 1, wherein the top end of the first base (120) is fixedly connected with a U-shaped pad (121), one side wall of the first base (120) close to the bearing plate (110) is fixedly connected with four return springs (122), and two of the four return springs (122) are symmetrically arranged about the bearing plate (110), and one end of the four return springs (122) facing away from the first base (120) is fixedly connected with the sliding frame (312).

4. The sit-up apparatus for physical exercise according to claim 1, wherein the second support bar (220) is formed with three through holes (221), and the distance between any two adjacent through holes (221) is equal.

5. A sit-up apparatus for physical training as claimed in claim 1, wherein the two legs (211) are fixed to both side walls of the first support rod (210), and the first support rod (210) is formed with a circular hole for matching with the through hole (221).

6. An exercise sit-up apparatus according to claim 1, wherein the bottom ends of the first base (120) and the second base (230) are each attached with a non-slip mat.