CN111494908A - Rowing machine for physical fitness - Google Patents

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

A rowing machine for sports and fitness

technical field

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

Background technique

Physical fitness, focusing on physical exercise as the main means to pay attention to students' physical growth and development, focusing on the selection and learning of fitness programs and sports programs, cultivating students' hobbies and sports expertise in physical fitness, acquiring scientific fitness methods, and developing A civilized and healthy lifestyle, with the ability to adapt to physical fitness in different environments. Aerobic fitness equipment, strength fitness equipment, free weight equipment, the most common are treadmills, elliptical machines, spinning bikes, abdominal machines and so on.

A rowing machine is a machine used to simulate water rowing for training purposes. Indoor rowing has become a professional competition. Indoor rowing machines are also commonly referred to as ergometers (commonly known as Ergo or ERGO abroad), which measure the power expended by an athlete during exercise. The rowing machine has a good effect on the muscle strengthening of the legs, waist, upper limbs, chest and back. Each stroke, the upper limbs, lower limbs, waist and abdomen, and back will complete a complete contraction and extension in the process, which can achieve a full-body muscle aerobic exercise effect. Especially for people with a lot of fat in the waist, abdomen and upper arms, the rowing machine exercise will bring you unexpected body sculpting effects.

Since the existing home rowing machine is easily affected by uneven ground, the rowing machine is not fixed firmly, and accidents are prone to occur in the process of fitness, causing injuries to fitness personnel. Therefore, we propose a rowing machine for sports and fitness.

SUMMARY OF THE INVENTION

The rowing machine for sports and fitness proposed by the invention solves the problem that the rowing machine for sports and fitness enthusiasts is not firmly fixed.

In order to achieve the above object, the present invention adopts the following technical solutions:

A rowing machine for sports and fitness, comprising a fixed box, the top shell and the inner ring of the bottom shell of the fixed box are fixedly sleeved with a limit cylinder, the inner ring of the limit cylinder is rotatably sleeved with a rotating shaft, and the rotating shaft The middle outer ring is fixedly sleeved with a first bevel gear, the left and right sides of the bottom of the first bevel gear are provided with second bevel gears, and the inner rings on one side of the two second bevel gears that are far away from each other are fixed sleeves A sleeve is connected, the inner ring of one end of the sleeve away from the second bevel gear is movably sleeved with a sleeve rod, the end of the sleeve rod away from the sleeve is fixedly connected with a connecting rod, and the bottom end of the connecting rod is fixedly connected with a connecting rod. Suction cup, the top of the connecting rod is hinged with a telescopic rod, the top of the telescopic rod is hinged with a threaded block, the inner ring of the threaded block is rotated and sleeved with a threaded rod, and the ends of the two threaded rods away from each other rotate respectively. Connected to the inner rings of the left and right sides of the fixing box, the outer rings at one end of the two threaded rods close to each other are 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 sides of the first bearing are fixedly connected with sliders, and the inner walls of the left and right sides of the limiting cylinder are provided with openings. There is a chute, and the outer ring of the slider is slidably sleeved in the inner ring of the chute.

Preferably, the outer ring of the sleeve is fixedly sleeved with a second bearing, the 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 in the top shell of the fixing box on the wall.

Preferably, a limit plate is welded to one end of the sleeve rod close to the sleeve, the top shell and the bottom shell of the limit plate are both fixedly connected to limit blocks, and the inner wall of the top shell and the bottom shell of the sleeve are The walls are all provided with limit grooves, and the outer ring of the limit block is slidably sleeved in the inner ring of the limit groove.

Preferably, openings are provided on the left and right side shells of the bottom of the fixing box, and the outer rings of the two connecting rods are respectively located in the inner rings of the openings.

Preferably, the outer rings of the left and right ends of the threaded rod are fixedly sleeved with a third bearing, the left and right side shells of the fixing box are provided with through holes, and the outer rings of the third bearing are fixedly sleeved on in the inner ring of the through hole.

Preferably, the first bevel gear engages and drives with the second bevel gear when moving downward, and engages and drives with the third bevel gear when moving upward.

Compared with the prior art, the beneficial effects of the present invention are:

1. This scheme adopts the structure of the rotating shaft, the first bearing, the first bevel gear, the second bevel gear, the sleeve, the second bearing, the fixed rod, the limit plate, the sleeve rod, the connecting rod, the suction cup, etc., when the first bevel gear When meshing with the second bevel gear, the rotating shaft drives the first bevel gear to rotate, the first bevel gear drives the sleeve to rotate through the second bevel gear, the sleeve drives the sleeve rod to rotate, and the sleeve rod drives the connecting rod and the suction cup Rotate to achieve the purpose of adjusting the tilt angle.

2. This scheme adopts the structure of telescopic rod, threaded block, threaded rod, third bearing, third bevel gear, etc. When the first bevel gear meshes with the third bevel gear, the first bevel gear drives the thread through the third bevel gear. The rod rotates, the threaded rod drives the threaded block to move, the threaded block drives the telescopic rod to move, and the telescopic rod drives the connecting rod and the suction cup to move left and right through the limit of the sleeve rod, so as to achieve the purpose of adjusting the distance between the two suction cups.

To sum up, the device has a novel design, which facilitates the adjustment of the fixed point of the rowing machine, thereby ensuring that the rowing machine will not be restricted due to uneven ground, and at the same time, the device is more firmly fixed, which is suitable for market promotion.

Description of drawings

Fig. 1 is the front sectional structure schematic diagram of a kind of sports and fitness rowing machine proposed by the present invention;

Fig. 2 is a kind of cross-sectional structural schematic diagram of the limiting cylinder of the rowing machine for sports and fitness proposed by the present invention;

Fig. 3 is the sleeve cross-sectional structural schematic diagram of a kind of rowing machine for sports and fitness proposed by the present invention;

4 is a schematic side view of the structure of a threaded block and a telescopic rod of a rowing machine for sports and fitness proposed by the present invention.

In the figure: 1 fixed box, 2 limit cylinder, 3 shaft, 4 first bearing, 5 first bevel gear, 6 second bevel gear, 7 sleeve, 8 second bearing, 9 fixed rod, 10 limit plate, 11 sets of rods, 12 connecting rods, 13 suction cups, 14 telescopic rods, 15 threaded blocks, 16 threaded rods, 17 third bearings, 18 third bevel gears.

Detailed ways

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

Referring to Figures 1-4, a rowing machine for sports and fitness includes a fixed box 1, the top shell and the inner ring of the bottom shell of the fixed box 1 are fixedly sleeved with a limit cylinder 2, and the inner ring of the limit cylinder 2 is rotated and sleeved. There is a rotating shaft 3, the middle outer ring of the rotating shaft 3 is fixedly sleeved with a first bevel gear 5, the left and right sides of the bottom of the first bevel gear 5 are provided with a second bevel gear 6, and the two second bevel gears 6 are far away from each other. The inner ring of the side is fixedly sleeved with a sleeve 7, and the inner ring at one end of the sleeve 7 away from the second bevel gear 6 is movably sleeved with a sleeve rod 11, and the end of the sleeve rod 11 away from the sleeve 7 is fixedly connected with a connecting rod 12. The bottom end of the rod 12 is fixedly connected with the suction cup 13, the top of the connecting rod 12 is hinged with a telescopic rod 14, the top of the telescopic rod 14 is hinged with a threaded block 15, and the inner ring of the threaded block 15 is rotated and sleeved with a threaded rod 16, two threads The ends of the rods 16 away from each other are respectively rotatably connected to the inner rings of the left and right sides of the fixed box 1 , and the outer rings of the two threaded rods 16 close to each other are fixedly sleeved with a third bevel gear 18 .

The outer ring of the excellent rotating shaft 3 is fixedly sleeved with the first bearing 4, the outer walls of the left and right sides of the first bearing 4 are fixedly connected with sliders, and the inner walls of the left and right sides of the limit cylinder 2 are provided with sliding grooves. 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, and the bottom outer wall shell of the second bearing 8 is fixedly connected with a fixing rod 9, and the fixing rod 9 The bottom end is fixedly connected to the inner wall of the top shell of the fixed box 1, the end of the sleeve rod 11 close to the sleeve 7 is welded with a limit plate 10, and the top shell and the bottom shell of the limit plate 10 are fixedly connected to the limit block. The inner wall of the top shell and the inner wall of the bottom shell of the sleeve 7 are provided with limit grooves, the outer ring of the limit block is slidably sleeved in the inner ring of the limit groove, and the left and right shells of the bottom of the fixed box 1 are provided with Opening, the outer rings of the two connecting rods 12 are respectively located in the inner ring of the opening, the outer rings at the left and right ends of the threaded rod 16 are fixedly sleeved with the third bearing 17, and the housings on the left and right sides of the fixing box 1 are provided with through-holes. The outer ring of the third bearing 17 is fixedly sleeved in the inner ring of the through hole, the first bevel gear 5 meshes with the second bevel gear 6 when moving downward, and meshes with the third bevel gear 18 when moving upward.

In this embodiment, firstly, when the first bevel gear 5 and the second bevel gear 6 are engaged for transmission, because the middle outer ring of the rotating shaft 3 is fixedly sleeved with the first bevel gear 5, the rotating shaft 3 can drive the first bevel gear 5 by rotating the rotating shaft 3. The bevel gear 5 rotates, and the inner ring on the side of the two second bevel gears 6 away from each other is fixedly sleeved with the sleeve 7, so the first bevel gear 5 can drive the sleeve 7 to rotate through the second bevel gear 6, Because the end of the sleeve rod 11 close to the sleeve 7 is welded with the limit plate 10, the top shell and the bottom shell of the limit plate 10 are both fixedly connected with limit blocks, and the inner wall of the top shell and the inner wall of the bottom shell of the sleeve 7 are both open There is a limit groove, the outer ring of the limit block is slidably sleeved in the inner ring of the limit groove, so the sleeve 7 can drive the sleeve rod 11 to rotate, and the end of the sleeve rod 11 away from the sleeve 7 is fixedly connected with the connecting rod 12 The bottom end of the connecting rod 12 is fixedly connected with the suction cup 13, so the sleeve rod 11 can drive the connecting rod 12 and the suction cup 13 to rotate, thus realizing the function of adjusting the inclination angle of the fixed point.

Secondly, when the first bevel gear 5 and the third bevel gear 18 are engaged in transmission, because the inner ring on the side of the two third bevel gears 18 away from each other is fixedly sleeved with the threaded rod 16, the first bevel gear 5 can The threaded rod 16 is driven to rotate by the third bevel gear 18, and the outer ring of the threaded rod 16 is rotated and sleeved with the threaded block 15, so the thread 16 can drive the threaded block 15 to move, because the bottom outer wall shell of the threaded block 15 is fixed. The telescopic rod 14 is connected, so the threaded block 15 can drive the telescopic rod 14 to move forward, and the bottom end of the telescopic rod 14 is hinged on the top of the connecting rod 12, so the telescopic rod 14 can drive the connecting rod 12 through the limit of the sleeve rod 11. It moves left and right with the suction cup 13, thereby realizing the function of adjusting the distance between the two fixed points.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. The equivalent replacement or change of the inventive concept thereof shall be included within the protection scope of the present invention.

Claims (7)

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.

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