CN218833490U

CN218833490U - Auxiliary sliding rail structure of rowing machine

Info

Publication number: CN218833490U
Application number: CN202222424521.2U
Authority: CN
Inventors: 刘占广; 周意男; 史玉轩; 袁梦超
Original assignee: Tongji University
Current assignee: Tongji University
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2023-04-11
Anticipated expiration: 2032-09-14

Abstract

The utility model relates to an auxiliary slide rail structure of a rowing machine, which comprises a bottom bracket component, two linear sliding components, an arc track, a supporting seat, an elastic rope and an eccentric clamper, wherein the bottom bracket component is a frame-type bracket body, two sides of the bottom bracket component are provided with linear fixed guide rails, and the linear fixed guide rails are U-shaped groove type guide rails; the linear sliding part is movably buckled on the linear fixed guide rail, a rolling pulley is arranged on the linear sliding part, and the rolling pulley can roll in the linear fixed guide rail when the linear sliding part moves relative to the linear fixed guide rail; supporting seat below is equipped with the assembly pulley, the assembly pulley clamp is located on the pitch arc track, and makes the supporting seat can follow pitch arc track slidingtype displacement. Compared with the prior art, the utility model discloses make the motion of rowing machine increase adjustable damped tilt motion for the simulation hull heels, more is close to real rowing motion on water.

Description

Auxiliary sliding rail structure of rowing machine

Technical Field

The utility model relates to a rowing machine part especially relates to a rowing machine auxiliary slide rail structure.

Background

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, 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 with more fat on waist, abdomen and upper arm. The auxiliary sliding rail of the rowing machine is mainly used for professional and semi-professional racing boat athletes, so that land training is achieved to simulate the water environment. The rowing machine can achieve the effect of shaping the body by using muscles of the whole body with lower heartbeat rate, higher oxygen uptake and higher energy consumption when performing the maximum exercise test under different fitness equipment.

However, the existing rowing machine has a certain difference from the actual rowing motion, and at present, an auxiliary mechanism is not available to better perfect the function and motion form of the rowing machine.

Therefore, how to provide an auxiliary slide rail and a rowing machine structure to solve the defects that the prior art cannot simulate the water rowing movement more truly becomes a technical problem to be solved urgently by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an auxiliary slide rail structure of rowing machine in order to overcome the defect that above-mentioned prior art exists for the motion of rowing machine has increased adjustable damped tilt motion, more is close to real rowing machine on water.

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

the utility model aims at providing a rowing machine assists slide rail structure, including bottom bracket component, two linear sliding piece, pitch arc track, supporting seat, stretch cord, eccentric holder, wherein specifically:

the bottom bracket assembly is of a frame-shaped bracket structure, linear fixed guide rails are arranged on two sides of the bottom bracket assembly and are U-shaped groove type guide rails;

the linear sliding pieces are movably buckled on the linear fixed guide rail, rolling pulleys are arranged on the linear sliding pieces, and the rolling pulleys can roll in the linear fixed guide rail when the linear sliding pieces move relative to the linear fixed guide rail;

the arc track is fixed on the linear sliding piece;

the pulley block is arranged below the supporting seat, clamped on the arc track and capable of enabling the supporting seat to slidably move along the arc track;

the two ends of the elastic rope are respectively connected with the bottom bracket component and the supporting seat;

the eccentric clamp holder is fixed above the supporting seat and used for fixing the rowing machine body.

Further, the bottom bracket assembly comprises a cross beam and a longitudinal beam, so that a frame type frame body structure is formed, and the linear fixed guide rail is arranged on the outer side of the longitudinal beam.

Further, the linear sliding part is of a U-shaped plate-shaped structure, and the rolling pulley is connected in the linear sliding part in a shaft mode.

Furthermore, the linear sliding part can be movably buckled on the longitudinal beam to form interference fit, and the circumferential direction of the rolling pulley can be abutted against the wall surface of the linear fixed guide rail to roll.

Furthermore, two ends of the cross beam are sleeved with rubber protection pads, so that the rubber protection pads are in contact with the ground.

Furthermore, the end part of the longitudinal beam is provided with a rubber blocking round pad.

Furthermore, rubber blocking round pads are arranged at two ends of the arc track.

Furthermore, the supporting seat comprises a horizontal plate and vertical plates arranged on two sides of the horizontal plate, and the pulley block is arranged on the inner side of the vertical plate.

Furthermore, the pulley block respectively includes the first pulley block of locating the top and locate the second pulley block of below, the pitch arc track adds and holds between first pulley block and second pulley block.

Further, still be equipped with adjustable damper on the vertical plate, adjustable damper is including being fixed in the bolt on the vertical plate, the spiro union has the damping block rubber on the bolt, the damping block rubber butt in on the pitch arc track, and can realize the regulation of damping block rubber to pitch arc track supporting power through rotatory damping block rubber.

Furthermore, one side of the cross beam is provided with a pulley, and the pulley is used for being convenient to lift from the opposite side and then is in contact with the ground, so that the pulley can be dragged, and the personnel can move the pulley conveniently.

Compared with the prior art, the utility model discloses following technical advantage has:

1) The utility model provides an auxiliary mechanism of rowing machine through on being applied to rowing machine with this auxiliary mechanism, has still realized the arc motion on linear motion's basis for rowing machine's motion has increased adjustable damped tilt motion, more is close true rowing machine on water, and adjustable damping also makes its personnel that are applicable to the different grade type simultaneously, like novice, professional player.

2) The utility model provides a when rowing machine's complementary unit is used for rowing machine, provide a new rowing motion for the sporter and experience, sporter is according to inclination size adjustment own motion posture, motion dynamics and impetus etc. for this motion of rowing machine becomes to have more the specialty.

Drawings

Fig. 1 is a schematic view of an auxiliary slide rail structure of the rowing machine in the technical scheme.

FIG. 2 is a schematic view of the overall structure of the rowing machine in longitudinal extension.

FIG. 3 is a schematic view of the overall structure of the rowing machine in a transverse linkage.

FIGS. 4 and 5 are schematic views showing the overall structure of the rowing machine with cross-fixed knots in a transverse extension manner.

Numbering	Name (R)
		1	Cross beam
2	Rubber protective pad
		3	Linear fixed guide rail
4	Pulley wheel
		5	Rubber block round pad
6	Linear sliding rail piece
		7	Rolling pulley
8	Arc-shaped track
		9	Rubber block round pad
10	Pulley block
		11	Supporting seat
12	Elastic rope
		13	Adjustable damper
14	Eccentric gripper

Detailed description of the preferred embodiments

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. In the technical scheme, the features such as the part model, the material name, the connection structure, the control method, the algorithm and the like which are not explicitly described are all regarded as common technical features disclosed in the prior art.

The utility model aims at providing a rowing machine auxiliary slide rail structure, including bottom bracket component, two linear sliding part 6, pitch arc track 8, supporting seat 11, stretch cord 12, eccentric holder 14, wherein specifically refer to in the picture 1.

The bottom bracket component is frame support body, the both sides of bottom bracket component are equipped with linear fixed guide 3, linear fixed guide 3 is U type slot type guide rail.

The linear sliding part 6 is movably buckled on the linear fixed guide rail 3, the linear sliding part 6 is provided with a rolling pulley 7, and when the linear sliding part 6 displaces relative to the linear fixed guide rail 3, the rolling pulley 7 can roll in the linear fixed guide rail 3.

The arc track 8 is fixed on the linear sliding piece 6, a pulley block 10 is arranged below the supporting seat 11, and the pulley block 10 is clamped on the arc track 8 and enables the supporting seat 11 to slidably move along the arc track 8;

two ends of the elastic rope 12 are respectively connected with the bottom bracket component and the supporting seat 11;

the eccentric clamper 14 is fixed above the supporting seat 11, and the eccentric clamper 14 is used for fixing the rowing machine body.

The bottom support assembly comprises a cross beam 1 and a longitudinal beam, and is specifically a frame type support body, and the linear fixed guide rail 3 is arranged on the outer side of the longitudinal beam. The linear sliding part 6 is a U-shaped plate-shaped structure, and the rolling pulley 7 is coupled in the linear sliding part 6 in a shaft mode. The linear sliding part 6 can be movably buckled on the longitudinal beam to form interference fit, and the circumferential direction of the rolling pulley 7 can be pressed against the wall surface of the linear fixed guide rail 3 to roll.

Two ends of the beam 1 are sleeved with rubber pads 2, so that the rubber pads 2 are in contact with the ground. The end of the longitudinal beam is provided with a rubber blocking round pad. Two ends of the arc track 8 are provided with rubber blocking round pads.

The supporting seat 11 comprises a horizontal plate and vertical plates arranged on two sides of the horizontal plate, and the pulley block 10 is arranged on the inner side of the vertical plate. The pulley block 10 comprises a first pulley block arranged above and a second pulley block arranged below respectively, and the arc track is additionally held between the first pulley block and the second pulley block. Still be equipped with adjustable damper 13 on the vertical plate, adjustable damper 13 is including being fixed in the bolt on the vertical plate, the spiro union has the damping rubber piece on the bolt, the damping rubber piece butt in on the pitch arc track 8, and can realize the regulation of damping rubber piece to pitch arc track 8 butt power through rotatory damping rubber piece. One side of crossbeam 1 is equipped with pulley 4, and pulley 4 effect is for conveniently lifting back pulley contact ground from the offside, can drag, makes things convenient for personnel to move.

The assembly process of the auxiliary sliding rail structure of the rowing machine in the technical scheme is as follows:

1. a bottom support is assembled in advance, and the components comprise two cross beams 1, four rubber protection pads 2, two linear fixed guide rails 3, two pulleys and two rubber blocking round pads. Crossbeam and linear fixed guide pass through the bolt equipment and are rectangular frame structure, and the rubber protection pad installs additional in four tip of crossbeam, and the pulley passes through the bolt and installs additional in the outside of right side crossbeam, and rubber blocks the round pad and installs additional in guide rail upper portion through the bolt.

2. On the basis of the bottom support, a moving slide rail part is additionally arranged, and the moving slide rail part comprises a linear sliding part 6, four rolling pulleys, an arc-shaped rail and four rubber blocking round pads. Fixed pulley passes through the bolt fastening on linear sliding piece 6, and the equipment back contacts with linear fixed guide 3, can realize longitudinal motion, and the pitch arc track is an overall structure with the welding of linear sliding piece, and rubber stops the round pad and passes through the bolt fastening in the orbital outside of arc.

3. On the basis, a support sliding seat is assembled, and the components comprise a first pulley block, a second pulley block and a support seat 11. Three sets of pulleys are fixed on the side surface of the support seat 11 through long bolts, the support seat and the pulleys are directly sleeved on the arc-shaped track, and the surfaces of the pulleys are directly contacted with the surface of the arc-shaped track. The supporting seat and the pulley can swing on the arc-shaped track integrally, and can be automatically centered under the action of gravity. Meanwhile, the arc-shaped rail, the pulley and the supporting seat are integrated, and reciprocating linear motion can be realized by fixedly connecting the arc-shaped rail with the linear slide rail sliding seat.

4. On the basis of the above, a resistance device is added. The resistance device comprises four elastic ropes 12 and an adjustable damper. The elastic ropes 12 are fixed on the side surface of the supporting seat 11 through one end of the bolt fixed on the end of the beam 1, and the four elastic ropes 12 are symmetrically distributed. One end of the adjustable damper 13 is additionally arranged at one end of the supporting seat and is fixed on the arc-shaped track. The elastic rope 12 increases the longitudinal sliding resistance, and the adjustable damper 13 increases the arc sliding resistance.

5. The rowing machine is assembled on the above basis, and is fixed on the support base by the eccentric clamper 14. The eccentric holder 14 is fixed to the upper portion of the support base by bolts.

In practical application, the rowing machine structure is used and moves according to the following principle: the side facing the exerciser is referred to as the front side, the side facing away from the exerciser is referred to as the rear side, the exerciser pulls the pull rod to the body side, and after the legs extend forward, the parts of the rowing machine, the arc-shaped moving part and the like above the linear fixed guide rail move forward due to the reaction force, and the parts of the rowing machine, the arc-shaped moving part and the like above the linear fixed guide rail stop moving after the legs extend. And then the exerciser starts knee bending action, because the elastic rope is in a stretching stage at the moment, the internal energy of the elastic rope is released, the rowing machine and the arc-shaped moving part above the linear fixed slide rail are dragged to move backwards, and after the knee bending is finished, one action is finished. Meanwhile, during the whole action period, due to the change of the gravity center of the sporter and the unbalanced force exerted by the sporter, the part above the arc-shaped track, namely the supporting seat, the pulley and the rowing machine, can obliquely move left and right along the arc-shaped track, and the inclination amplitude can be controlled by the adjustable damper.

In addition, in practical application, the auxiliary sliding rail can be combined for use by multiple sets, such as three sets, five sets and nine sets, by connecting multiple rowing machines, the double-double, four-double and eight-single conditions of the actual rowing process can be simulated, as shown in fig. 2 (longitudinal extension), in addition, the teaching by a novice can be facilitated in the transverse extension mode, and as shown in fig. 3 (transverse extension), the same-frequency forward and backward movement can be realized, so that the novice can master the rhythm point of the action, and the two sliding rails are connected by a cross fixing joint (as shown in the supplement of fig. 4 and 5).

Supplementary slide rail structure provides an auxiliary mechanism of rowing machine, through being applied to this auxiliary mechanism on the rowing machine, has still realized the arc motion on linear motion's basis for the motion of rowing machine has increased adjustable damped tilt motion, more is close to real rowing machine on water motion, and adjustable damping also makes its personnel that are applicable to the different grade type simultaneously, like novice, professional player. Furthermore, the rowing machine with the auxiliary sliding rail provides a new rowing experience for a sporter, and the sporter adjusts the movement posture, the movement strength, the force application point and the like according to the inclination angle, so that the rowing machine becomes more professional.

The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.

Claims

1. The utility model provides a rowing machine auxiliary sliding rail structure which characterized in that includes:

the bottom support assembly is a frame type support body, linear fixed guide rails (3) are arranged on two sides of the bottom support assembly, and the linear fixed guide rails (3) are U-shaped groove type guide rails;

the linear sliding pieces (6) are movably buckled on the linear fixed guide rail (3), rolling pulleys (7) are arranged on the linear sliding pieces (6), and when the linear sliding pieces (6) move relative to the linear fixed guide rail (3), the rolling pulleys (7) can roll in the linear fixed guide rail (3);

an arc track (8) fixed on the linear sliding piece (6);

the supporting seat (11), a pulley block (10) is arranged below the supporting seat (11), the pulley block (10) is clamped on the arc track (8), and the supporting seat (11) can be slidably displaced along the arc track (8);

the two ends of the elastic rope (12) are respectively connected with the bottom bracket component and the supporting seat (11);

the eccentric clamp holder (14) is fixed above the supporting seat (11), and the eccentric clamp holder (14) is used for fixing the rowing machine body to realize the fixing and the dismounting of the rowing machine body.

2. The structure of auxiliary sliding rail of rowing machine according to claim 1, wherein the bottom bracket assembly comprises a cross beam (1) and a longitudinal beam, thereby forming a frame structure, and the linear fixed rail (3) is provided at the outer side of the longitudinal beam.

3. A rowing machine auxiliary rail structure according to claim 2, wherein the linear slide (6) is a U-shaped plate structure, and the rolling pulley (7) is journaled in the linear slide (6).

4. The auxiliary sliding rail structure of the rowing machine according to claim 3, wherein the linear sliding member (6) is movably fastened to the longitudinal beam to form an interference fit, and the circumferential direction of the rolling pulley (7) is pressed against the wall surface of the linear fixed guide rail (3) to roll.

5. The auxiliary sliding rail structure of the rowing machine in claim 2, wherein rubber pads (2) are sleeved at both ends of the cross beam (1) so that the rubber pads (2) are in contact with the ground.

6. The structure of auxiliary sliding rail of rowing machine in claim 2, wherein the ends of the longitudinal beams are provided with rubber stop pads.

7. The auxiliary sliding rail structure of the rowing machine according to claim 1, wherein rubber stopping pads are provided at both ends of the arc rail (8).

8. The auxiliary rail structure of rowing machine in claim 1, wherein the supporting base (11) comprises a horizontal plate and vertical plates disposed at both sides of the horizontal plate, and the pulley block (10) is disposed at the inner side of the vertical plate.

9. The auxiliary rail structure of rowing machine of claim 8, wherein the pulley blocks (10) comprise a first pulley block disposed above and a second pulley block disposed below, respectively, and the arc track is sandwiched between the first and second pulley blocks.

10. The auxiliary sliding rail structure of the rowing machine according to claim 8, wherein the vertical plate is further provided with an adjustable damper (13), the adjustable damper (13) comprises a bolt fixed on the vertical plate, a damping rubber block is screwed on the bolt, the damping rubber block abuts against the arc track (8), and the damping rubber block can rotate to adjust the abutting force of the arc track (8).