CN111494908A

CN111494908A - Rowing machine for physical fitness

Info

Publication number: CN111494908A
Application number: CN202010396911.6A
Authority: CN
Inventors: 滕野; 孙鑫; 周显鹤; 王达盈; 丁建东
Original assignee: East China Institute of Technology
Current assignee: East China Institute of Technology
Priority date: 2020-05-12
Filing date: 2020-05-12
Publication date: 2020-08-07
Anticipated expiration: 2040-05-12
Also published as: CN111494908B

Abstract

The invention discloses a rowing machine for physical fitness, which relates to the field of fitness equipment, and aims at solving the problem that the rowing machine for physical fitness enthusiasts is not firmly fixed. The invention has novel design, is convenient to adjust the fixed point of the rowing machine, thereby ensuring that the rowing machine is not limited due to uneven ground, is more firm in fixation and is suitable for market popularization.

Description

Rowing machine for physical fitness

Technical Field

The invention relates to the technical field of fitness equipment, in particular to a rowing machine for physical fitness.

Background

The physical fitness mainly focuses on the body growth and development and physical development of students by taking physical exercise as a main means, focuses on the selection and study of fitness items and sports items, cultures the hobbies and sports specialties of the physical exercise of the students, obtains a scientific fitness method, develops a civilized and healthy life style, and has the adaptability of persisting in the physical exercise in different environments. Aerobic fitness equipment, strength fitness equipment, free weight equipment, most common running machines, elliptical machines, spinning bicycles, abdomen-building machines and the like.

Rowing machines are machines used for training purposes to simulate the movement of water racing boats. Indoor racing boat games have become a professional game. Indoor rowing machines, also commonly referred to as dynamometers (commonly known colloquially as ergs or ERGO abroad), measure the power consumed by a sporter in motion. The rowing machine has good effect on strengthening muscles of legs, waists, upper limbs, chests and backs. Every stroke, the upper limbs, the lower limbs, the waist, the abdomen and the back can complete one-time complete contraction and extension in the process, and the aerobic exercise effect of whole body muscles can be achieved. Especially, the rowing machine brings unexpected body shaping effect to people who have more fat on waist, abdomen and upper arms.

Because current domestic rowing machine receives unevenness's ground to influence easily to lead to rowing machine fixed insecure, and then the in-process of body-building meets accident easily, causes the injury to the fitness personnel. Therefore, the rowing machine for physical fitness is provided.

Disclosure of Invention

The invention provides a rowing machine for sports fitness, which solves the problem that a rowing machine for sports fitness enthusiasts is not firmly fixed.

In order to achieve the purpose, the invention adopts the following technical scheme:

a rowing machine for physical fitness comprises a fixed box, wherein limiting cylinders are fixedly sleeved on the inner rings of a top shell and a bottom shell of the fixed box, a rotating shaft is sleeved on the inner ring of each limiting cylinder in a rotating manner, a first bevel gear is fixedly sleeved on the outer ring in the middle of the rotating shaft, second bevel gears are arranged on the left side and the right side of the bottom of the first bevel gear, sleeves are fixedly sleeved on the inner rings on the sides, away from the second bevel gears, of the two second bevel gears, a sleeve rod is movably sleeved on the inner ring at one end, away from the second bevel gears, of each sleeve rod, a connecting rod is fixedly connected with one end, away from the sleeve, of each connecting rod, a sucker is fixedly connected to the bottom end of each connecting rod, a telescopic rod is hinged to the top end of each telescopic rod, a thread block is hinged to the top end of each telescopic rod, and the outer ring of one end, close to each other, of each of the two threaded rods is fixedly sleeved with a third bevel gear.

Preferably, the outer ring of the rotating shaft is fixedly sleeved with a first bearing, the outer walls of the left and right shells of the first bearing are fixedly connected with sliding blocks, the inner walls of the left and right shells of the limiting cylinder are provided with sliding grooves, and the outer ring of the sliding block is slidably sleeved in the inner ring of the sliding groove.

Preferably, the outer ring of the sleeve is fixedly sleeved with a second bearing, a bottom outer wall shell of the second bearing is fixedly connected with a fixing rod, and the bottom end of the fixing rod is fixedly connected to the inner wall of a top shell of the fixing box.

Preferably, the loop bar is close to telescopic one end welding and has the limiting plate, the equal fixedly connected with stopper of top casing and the bottom casing of limiting plate, the spacing groove has all been seted up to telescopic top shells inner wall and bottom shells inner wall, the outer lane slip of stopper cup joints in the inner circle of spacing groove.

Preferably, the left and right side shells at the bottom of the fixed box are provided with openings, and the outer rings of the two connecting rods are respectively positioned in the inner rings of the openings.

Preferably, the outer rings of the left end and the right end of the threaded rod are fixedly sleeved with third bearings, the shells of the left side and the right side of the fixed box are provided with through holes, and the outer rings of the third bearings are fixedly sleeved in the inner rings of the through holes.

Preferably, the first bevel gear is in mesh transmission with the second bevel gear when moving downwards and is in mesh transmission with the third bevel gear when moving upwards.

Compared with the prior art, the invention has the beneficial effects that:

1. this scheme is through pivot, first bearing, first bevel gear, second bevel gear, the sleeve, the second bearing, the dead lever, the limiting plate, the loop bar, the connecting rod, sucking disc isotructure, when first bevel gear and second bevel gear meshing transmission, drive first bevel gear through rotating the pivot and rotate, first bevel gear drives the sleeve through second bevel gear and rotates, the sleeve drives the loop bar and rotates, the loop bar drives connecting rod and sucking disc and rotates to reach the purpose of adjusting the angle of inclination.

2. This scheme is through telescopic link, thread block, threaded rod, third bearing, third bevel gear isotructure, and when first bevel gear and third bevel gear meshing transmission, first bevel gear drives the threaded rod through third bevel gear and rotates, and the threaded rod drives the thread block and removes, and the thread block drives the telescopic link and advances to move, and the telescopic link is controlled with the sucking disc through the spacing drive connecting rod of loop bar and is removed to reach the purpose of adjusting two sucking disc intervals.

In conclusion, the device is novel in design, conveniently adjusts the fixed point of rowing machine to guaranteed that rowing machine can not receive the restriction because of the ground unevenness, fixed more firm simultaneously is fit for carrying out marketing.

Drawings

FIG. 1 is a schematic front view of a rowing machine for physical fitness according to the present invention;

FIG. 2 is a schematic cross-sectional view of a limiting cylinder of the rowing machine for physical exercise according to the present invention;

FIG. 3 is a schematic cross-sectional view of a sleeve of the rowing machine for physical exercise according to the present invention;

fig. 4 is a schematic side view of the screw block and the telescopic rod of the rowing machine for physical exercise according to the present invention.

In the figure: the device comprises a fixing box 1, a limiting barrel 2, a rotating shaft 3, a first bearing 4, a first bevel gear 5, a second bevel gear 6, a sleeve 7, a second bearing 8, a fixing rod 9, a limiting plate 10, a loop bar 11, a connecting rod 12, a sucking disc 13, a telescopic rod 14, a threaded block 15, a threaded rod 16, a third bearing 17 and a third bevel gear 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a rowing machine for physical fitness comprises a fixed box 1, wherein a top shell and a bottom shell of the fixed box 1 are fixedly sleeved with a limiting cylinder 2, the inner ring of the limiting cylinder 2 is rotatably sleeved with a rotating shaft 3, the middle outer ring of the rotating shaft 3 is fixedly sleeved with a first bevel gear 5, the left side and the right side of the bottom of the first bevel gear 5 are respectively provided with a second bevel gear 6, the inner ring of one side of the two second bevel gears 6, which is far away from each other, is fixedly sleeved with a sleeve 7, the inner ring of one end of the sleeve 7, which is far away from the second bevel gear 6, is movably sleeved with a sleeve rod 11, one end of the sleeve rod 11, which is far away from the sleeve 7, is fixedly connected with a connecting rod 12, the bottom end of the connecting rod 12 is fixedly connected with a sucker 13, the top end of the connecting rod 12 is hinged with a telescopic rod 14, the top end of the, and the outer rings of the two adjacent ends of the two threaded rods 16 are fixedly sleeved with third bevel gears 18.

The outer ring of the optimal rotating shaft 3 is fixedly sleeved with a first bearing 4, the outer walls of the left side shell and the right side shell of the first bearing 4 are fixedly connected with sliders, the inner walls of the left side shell and the right side shell of the limiting cylinder 2 are provided with chutes, the outer ring of the slider is slidably sleeved in the inner ring of the chute, the outer ring of the sleeve 7 is fixedly sleeved with a second bearing 8, the outer wall shell at the bottom of the second bearing 8 is fixedly connected with a fixing rod 9, the bottom end of the fixing rod 9 is fixedly connected to the inner wall of the top shell of the fixed box 1, one end of the loop bar 11, which is close to the sleeve 7, is welded with a limiting plate 10, the top shell and the bottom shell of the limiting plate 10 are both fixedly connected with limiting blocks, the inner wall of the top shell and the inner wall of the bottom shell of the sleeve 7 are both provided with limiting grooves, the, the outer rings of the left end and the right end of the threaded rod 16 are fixedly sleeved with third bearings 17, the shells of the left side and the right side of the fixed box 1 are provided with through holes, the outer rings of the third bearings 17 are fixedly sleeved in the inner rings of the through holes, the first bevel gears 5 are in meshing transmission with the second bevel gears 6 when moving downwards, and the first bevel gears 5 are in meshing transmission with the third bevel gears 18 when moving upwards.

In the embodiment, firstly, when the first bevel gear 5 and the second bevel gear 6 are in gear engagement transmission, because the first bevel gear 5 is fixedly sleeved on the outer ring of the middle part of the rotating shaft 3, the first bevel gear 5 can be driven to rotate by rotating the rotating shaft 3, and the inner rings of the two sides of the two second bevel gears 6 away from each other are fixedly sleeved with the sleeves 7, the first bevel gear 5 can drive the sleeves 7 to rotate by the second bevel gears 6, because the end of the loop bar 11 close to the sleeves 7 is welded with the limiting plate 10, the top shell and the bottom shell of the limiting plate 10 are both fixedly connected with the limiting block, the inner wall of the top shell and the inner wall of the bottom shell of the sleeves 7 are both provided with the limiting groove, the outer ring of the limiting block is slidably sleeved in the inner ring of the limiting groove, so the sleeves 7 can drive the loop bar, the bottom end of the connecting rod 12 is fixedly connected with the sucker 13, so that the loop bar 11 can drive the connecting rod 12 and the sucker 13 to rotate, and the function of adjusting the inclination angle of the fixed point is realized.

Secondly, when first bevel gear 5 and the meshing transmission of third bevel gear 18 wheel, because two third bevel gears 18 all fix the cover in the one side inner circle of keeping away from each other and have connected threaded rod 16, so first bevel gear 5 can drive threaded rod 16 through third bevel gear 18 and rotate, and threaded rod 16's outer lane rotates and has cup jointed threaded block 15, so the screw thread, 16 can drive threaded block 15 and move, because threaded block 15's bottom outer wall casing fixedly connected with telescopic link 14, consequently threaded block 15 can drive telescopic link 14 and move, and the bottom of telescopic link 14 articulates on the top of connecting rod 12, consequently telescopic link 14 can drive connecting rod 12 and sucking disc 13 through the spacing of telescopic link 11 and move about, has realized adjusting the function of interval between two fixed points from this.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The rowing machine for physical fitness comprises a fixed box (1) and is characterized in that a limiting barrel (2) is fixedly sleeved on the inner rings of a top shell and a bottom shell of the fixed box (1), a rotating shaft (3) is sleeved on the inner ring of the limiting barrel (2) in a rotating manner, a first bevel gear (5) is fixedly sleeved on the outer ring of the middle portion of the rotating shaft (3), second bevel gears (6) are arranged on the left side and the right side of the bottom of the first bevel gear (5), sleeves (7) are fixedly sleeved on the inner rings of one sides, far away from the second bevel gears (6), of the sleeves (7), sleeve rods (11) are movably sleeved on the inner rings of one ends, far away from the sleeves (7), of the sleeve rods (11) are fixedly connected with connecting rods (12), suckers (13) are fixedly connected to the bottom ends of the connecting rods (12), and telescopic rods (14) are hinged to the top ends of the connecting rods, the top end of the telescopic rod (14) is hinged with a threaded block (15), threaded rods (16) are sleeved on inner rings of the threaded block (15) in a rotating mode, one ends, far away from each other, of the two threaded rods (16) are respectively connected to inner rings of a left shell and a right shell of the fixed box (1) in a rotating mode, and outer rings, close to each other, of the two threaded rods (16) are fixedly sleeved with third bevel gears (18).

2. The rowing machine for sports fitness according to claim 1, wherein the first bearing (4) is fixedly sleeved on an outer ring of the rotating shaft (3), sliding blocks are fixedly connected to outer walls of left and right shells of the first bearing (4), sliding grooves are formed in inner walls of left and right shells of the limiting cylinder (2), and the outer ring of the sliding block is slidably sleeved in an inner ring of the sliding groove.

3. A rowing machine for sports fitness according to claim 1, wherein the outer ring of the sleeve (7) is fixedly sleeved with the second bearing (8), a fixing rod (9) is fixedly connected to the outer wall shell at the bottom of the second bearing (8), and the bottom end of the fixing rod (9) is fixedly connected to the inner wall of the top shell of the fixing box (1).

4. The rowing machine for sports fitness according to claim 1, wherein a limiting plate (10) is welded at one end of the loop bar (11) close to the sleeve (7), limiting blocks are fixedly connected to the top shell and the bottom shell of the limiting plate (10), limiting grooves are formed in the inner wall of the top shell and the inner wall of the bottom shell of the sleeve (7), and the outer ring of the limiting block is slidably sleeved in the inner ring of the limiting groove.

5. A rowing machine for sports fitness according to claim 1, wherein the fixed box (1) is provided with openings at the left and right sides of the bottom, and the outer rings of the two connecting rods (12) are respectively located in the inner rings of the openings.

6. The rowing machine for sports fitness according to claim 1, wherein the threaded rod (16) is fixedly sleeved with a third bearing (17) at the outer rings of the left and right ends, the fixed box (1) is provided with through holes at the left and right shells, and the outer ring of the third bearing (17) is fixedly sleeved in the inner ring of the through hole.

7. A rowing machine for sports activities according to claim 1, wherein the first bevel gear (5) is in mesh transmission with the second bevel gear (6) when moving downwards and in mesh transmission with the third bevel gear (18) when moving upwards.