CN218458593U

CN218458593U - Magnetic control adjustable water resistance rowing machine

Info

Publication number: CN218458593U
Application number: CN202221734357.9U
Authority: CN
Inventors: 王胤龙
Original assignee: Changlong Tianjin Intelligent Technology Co ltd
Current assignee: Changlong Tianjin Intelligent Technology Co ltd
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2023-02-10
Anticipated expiration: 2032-07-05

Abstract

The utility model discloses a magnetic control adjustable water resistance rowing machine, which comprises a main frame; a water resistor assembled inside the main frame; a handle provided with a guide belt; the conduction band is connected with the propeller shaft and is used for driving the propeller shaft to rotate; the bottom of the paddle shaft extends into the water resistor and is provided with an impeller which generates water resistance when rotating; the magnetic resistance device comprises a metal shell, a fixing component and a magnet, wherein the fixing component and the magnet are arranged in the metal shell; the adjusting knob is used for adjusting the distance between the magnet and the metal shell; wherein: a metal shell assembled and fixed on the paddle shaft; the paddle shaft drives the metal shell to rotate together; a fixing component which is assembled on the main frame; and a magnet which is assembled on the fixing component and generates magnetic resistance with the metal shell. The utility model installs the magnetic resistance device on the oar shaft of the original rowing machine, and the magnetic resistance generated by the rotation of the magnetic resistance device can be changed by the external adjusting device; the resistance is closely linked with the paddle shaft through a magnetic resistance device, so that the integral resistance is changed.

Description

Magnetic control adjustable water resistance rowing machine

Technical Field

The utility model relates to a body-building apparatus technical field, concretely relates to adjustable water resistance rowing machine of magnetic control.

Background

Rowing machines are machines used for training purposes to simulate the movement of water racing boats. The indoor rowing machine is also commonly called a dynamometer and is used for measuring the power consumed by a sporter in motion, the rowing machine has a good effect on strengthening muscles of legs, waists, upper limbs, breasts and backs, and the upper limbs, the lower limbs, the waist and the abdomen and the backs can complete one-time contraction and extension in the process every time of rowing, so that a whole body muscle aerobic exercise effect can be achieved.

The water resistance rowing machine in the current market is divided into two types, namely non-adjustable and adjustable, wherein the adjustable water resistance rowing machine has the following two prior arts:

1. a novel water resistance rowing machine with a patent number of CN 201821571032.7; the paddle in the water resistor is designed to be opened and closed in a multilayer mode, a rotating button is arranged on a top plate of the rowing machine, the paddle is controlled to be opened and closed by taking the inside of a paddle shaft as a transmission rod through a gear structure, the purpose is to control the contact area of the paddle and water, and the maximum resistance of the contact area is the largest when the paddle is completely closed; when the paddle is opened, the contact area of the paddle and water is minimum, and the resistance is minimum;

although the design has some resistance changes, the difference is not large, the requirement of customers cannot be met, when water starts to rotate in the water resistor through the rotation of the blades, the water mainly fits the inner wall of the water resistor to rotate, the contact surface of the blades with the water is limited, and the opening and closing positions of the blades cannot contact the water surface, so that the integral difference is not large.

2. A magnetic water double-resistance rowing machine of patent No. CN 213760355U; the upper cover of the water resistor is provided with a rotary disc groove, the rotary disc groove is placed in a groove on the outer side of the upper cover of the water resistor, a magnet is arranged in a rotary disc, the rotary disc and blades of the water resistor are fixed on the same propeller shaft, a group of movable magnet channels are arranged on the side surface of the rotary disc groove, and the distance between an external magnet and the rotary disc is adjusted through an adjusting button to generate resistance;

the adoption of the adjusting mode has the disadvantages of reducing the volume of the water resistor, reducing the water resistance, having too small magnet contact surface and unobvious magnetic resistance, and being inconvenient for adjusting the size of the adjusting button at the lower part of the machine body frame.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an adjustable magnetic control water resistance rowing machine; the magnetic resistance can be adjusted, and the water resistance of the water resistor can not be reduced.

In order to solve the technical problem, the utility model provides an adjustable water resistance rowing machine of magnetic control, include:

1. a magnetically controlled adjustable water drag rowing machine comprising:

a main frame;

the water resistor is assembled inside the head end of the main frame;

a handle provided with a guide belt; the conduction band is connected with the propeller shaft and is used for driving the propeller shaft to rotate;

the bottom of the paddle shaft extends into the water resistor and is provided with an impeller which generates water resistance when rotating;

it is characterized in that the water resistance rowing machine with the adjustable magnetic control further comprises:

a magnetic resistance device including a metal case, a fixing member, and a magnet;

the adjusting device is used for adjusting the distance between the magnet and the metal shell;

wherein:

the metal shell is fixedly connected with the top of the propeller shaft; the paddle shaft drives the metal shell to rotate together;

the fixing component is arranged on the main frame in a sliding manner;

the magnet is fixedly arranged on the fixing component and is spaced from the metal shell by a certain distance; which is used to create resistance with the rotating metal housing.

Preferably, the adjusting device comprises an adjusting switch, an adjusting turntable, a brake cable fixing tube and a brake cable;

the adjusting switch is electrically connected with the adjusting turntable and is used for controlling the rotation of the adjusting turntable; the adjusting switch is arranged at the position adjacent to the handle;

the head end of the brake cable is fixed on the adjusting turntable, and the tail end of the brake cable penetrates through the brake cable fixing pipe and then is fixedly connected with the fixing component;

and the adjusting turntable is used for pulling the fixing component to move through the brake cable so as to adjust the distance between the magnet and the metal shell.

Preferably, the magnetic control adjustable water resistance rowing machine further comprises an elastic device;

a sliding frame is arranged on the main frame, and the fixing component is arranged on the sliding frame in a sliding manner;

a first baffle protruding downwards is mounted on the sliding frame; the bottom of the fixed component protrudes downwards to form a second baffle;

two ends of the elastic device are respectively connected with the first baffle and the second baffle; the elastic force of the elastic device is used for restoring the position of the fixed component.

Preferably, the brake cable and the elastic device are located on the same side of the fixing component, and the metal shell is located on the other side of the fixing component.

Preferably, the guide belt is connected with a rotating wheel arranged on the paddle shaft after passing through a guide pulley, and the guide pulley and the rotating wheel are positioned on the same horizontal plane.

Preferably, the fixing component is in a semi-circular ring shape, and the inner side of the fixing component faces the metal shell; the magnet is fixedly arranged on the inner side of the fixing component.

Preferably, the bottom of the metal shell is sunken inwards to form a fixing groove, and the top of the paddle shaft is inserted into the fixing groove for fixing.

Preferably, the magnet is connected and fixed with the fixing component through adhesive glue.

Preferably, the magnets on the fixing component are circumferentially arranged at equal intervals.

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

the magnetic resistance device is arranged on the paddle shaft of the original rowing machine and is tightly connected with the paddle shaft, and the magnetic resistance generated by the rotation of the magnetic resistance device can be changed through an external adjusting device, so that the overall resistance of the rowing machine is changed. The method specifically comprises the following steps: the utility model discloses a fixed subassembly of adjusting device pulling removes to adjust magnet and metal casing's distance, and then change rowing machine overall resistance.

The magnetic resistance device is not installed in the water resistor, but installed on the frame, so that the water resistance of the water resistor cannot be reduced; the subsequent installation and disassembly of the magnetic resistance device are also more convenient. The fixed component is in a semicircular ring shape, the inner side of the fixed component faces the metal shell, the magnet on the fixed component and the side wall of the rotating metal shell generate magnetic resistance, the larger the distance between the magnet and the side wall of the rotating metal shell is, the smaller the magnetic resistance is, and otherwise, the larger the magnetic resistance is; the magnetic resistance adjusting effect is achieved by adjusting the distance between the magnet and the metal shell.

Drawings

FIG. 1 is a schematic structural view of a magnetically controlled adjustable water resistance rowing machine of the present invention;

FIG. 2 is a schematic bottom view of a metal casing of the magnetic resistance device;

FIG. 3 is a schematic view of the structure of the adjustment device;

FIG. 4 is a schematic diagram of a configuration of a tuning mechanism used in conjunction with a magnetoresistive device;

fig. 5 is a schematic view of the assembly of the paddle shaft with the metal housing.

In the drawings, the correspondence between each component and the reference numeral is:

1. a main frame; 101. a carriage; 1011. a first baffle; 2. a water resistor; 3. a handle; 4. a paddle shaft; 401. a rotating wheel; 5. a magneto-resistive device; 501. a metal housing; 502. a fixing component; 503. a magnet; 5011. fixing grooves; 5021. a second baffle; 6. an adjustment device; 601. an adjustment switch; 602. adjusting the turntable; 603. a brake cable fixing tube; 604. a brake cable; 7. an elastic device; 8. a guide pulley.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The present invention will be described in further detail with reference to the accompanying drawings 1 to 5:

the utility model provides a pair of adjustable water resistance rowing machine of magnetic control, include:

a main frame 1;

a water resistor 2 assembled inside the head end of the main frame 1;

a handle 3 provided with a guide belt; the guide belt passes through the guide belt wheel and then is connected with the propeller shaft 4 to drive the propeller shaft 4 to rotate;

a paddle shaft 4, the bottom of which extends into the water resistance 2 and is provided with an impeller generating water resistance when rotating;

a magnetoresistive device 5 comprising a metal housing 501, a fixed component 502 and a magnet 503;

and an adjusting device 6 for adjusting the distance between the magnet 503 and the metal shell 501.

Wherein:

the metal shell 501 is fixedly connected with the top of the paddle shaft 4; the paddle shaft 4 drives the metal shell 501 to rotate together;

the fixing component 502 is arranged on the main frame 1 in a sliding manner;

the magnet 503 is fixedly arranged on the fixing component 502 and is spaced from the metal shell 501 by a certain distance; which serves to create magnetic resistance with the rotating metal housing 501.

In this embodiment, the magnet 503 and the side wall of the metal housing 501 generate magnetic resistance, and the larger the distance between the two is, the smaller the magnetic resistance is, and the larger the magnetic resistance is otherwise; the magnetic resistance is adjusted by adjusting the distance between the magnet 503 and the metal shell 501.

In a preferred embodiment, the adjusting device 6 comprises an adjusting switch 601, an adjusting turntable 602, a brake cable fixing tube 603 and a brake cable 604;

the adjusting switch 601 is electrically connected with the adjusting turntable 602 and is used for controlling the rotation of the adjusting turntable 602; the adjusting switch 601 is arranged at a position close to the handle 3;

the head end of the brake cable 604 is fixed on the adjusting turntable 602, and the tail end of the brake cable passes through the brake cable fixing pipe 603 and then is fixedly connected with the fixing component 502;

the adjusting dial 602 is used for pulling the fixing component 502 to move through the brake cable 604, so as to adjust the distance between the magnet 503 and the metal shell 501.

In a preferred embodiment, further comprises elastic means 7;

a sliding frame 101 is arranged on the main frame 1, and a fixing component 502 is arranged on the sliding frame 101 in a sliding mode.

A first baffle 1011 protruding downwards is mounted on the sliding frame 101; the bottom of the fixing assembly 502 protrudes downwards to form a second baffle 5021;

two ends of the elastic device 7 are respectively connected with the first baffle 1011 and the second baffle 5021, and the elastic force of the elastic device 7 is used for restoring the position of the fixing component 502;

in a preferred embodiment, the guide belt is connected with the rotating wheel 401 after passing through the guide pulley 8, and the guide pulley 8 and the rotating wheel 401 are positioned on the same horizontal plane.

In this embodiment, the guide roller 8 can limit the position of the guide belt so that the guide belt horizontally extends toward the rotating wheel 401.

In a preferred embodiment, the brake cable 604 and the elastic means 7 are located on the same side of the fixed component 502, and the metal housing 501 is located on the other side of the fixed component 502.

In this embodiment, the fixed assembly 502 is pulled by the brake cable 604 to move away from the metal housing 501 while compressing the elastic means 7; after releasing the fixing member 502, the fixing member 502 is reset by the elastic force of the elastic device 7.

In a preferred embodiment, the fixing member 502 is a semi-circular ring shape, and the inner side of the fixing member faces the metal shell 501; the magnet 503 is fixedly disposed inside the fixing member 502.

In a preferred embodiment, the bottom center of the metal shell 501 is recessed inward to form a fixing groove 5011, and the top of the shaft 4 is inserted into the fixing groove 5011 for fixing.

In a preferred embodiment, the magnet 503 is fixed to the fixing member 502 by an adhesive.

The magnets 503 on the fixed component 502 are circumferentially arranged at equal intervals to ensure that the magnetic force applied to the turntable body 6 is as uniform as possible.

The utility model discloses the theory of operation does:

a user pulls the handle 3 to drive the paddle shaft 4 to rotate through the conduction band, and the paddle shaft 4 drives the metal shell 501 to rotate together outside the fixing component 502; the magnet 503 and the side wall of the rotating metal shell 501 generate magnetic resistance;

the adjusting switch 601 controls the adjusting dial 602 to rotate, so as to pull the brake cable 604, and the brake cable 604 drives the fixing component 502 to move, thereby adjusting the distance between the magnet 503 and the metal shell 501. The larger the distance between the two is, the smaller the magnetic resistance is, and otherwise, the larger the magnetic resistance is; the magnetic resistance adjustment effect is achieved by adjusting the distance between the magnet 503 and the metal shell 501.

The above description is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or replacements within the technical scope of the present invention should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be defined by the claims.

Claims

1. A magnetically controlled adjustable water drag rowing machine comprising:

a main frame (1);

the water resistor (2) is assembled inside the head end of the main frame (1);

a handle (3) provided with a guide belt; the conduction band is connected with the paddle shaft (4) and is used for driving the paddle shaft (4) to rotate;

the bottom of the paddle shaft (4) extends into the water resistor (2) and is provided with an impeller which generates water resistance when rotating;

a magnetoresistive device (5) comprising a metal housing (501), a fixed component (502) and a magnet (503);

the adjusting device (6) is used for adjusting the distance between the magnet (503) and the metal shell (501);

an elastic means (7);

wherein:

the metal shell (501) is fixedly connected with the top of the paddle shaft (4); the paddle shaft (4) drives the metal shell (501) to rotate together;

the fixing component (502) is arranged on the main frame (1) in a sliding manner;

the magnet (503) is fixedly arranged on the fixing component (502) and is spaced from the metal shell (501) by a certain distance; it is used for generating resistance with the rotating metal shell (501);

the fixing component (502) is in a semicircular ring shape, and the inner side of the fixing component faces the metal shell (501); the magnet (503) is fixedly arranged on the inner side of the fixing component (502);

a sliding frame (101) is arranged on the main frame (1), and a fixing component (502) is arranged on the sliding frame (101) in a sliding manner;

a first baffle (1011) protruding downwards is mounted on the sliding frame (101); the bottom of the fixed component (502) protrudes downwards to form a second baffle plate (5021);

two ends of the elastic device (7) are respectively connected with a first baffle (1011) and a second baffle (5021); the elastic force of the elastic device (7) is used for restoring the position of the fixing component (502).

2. The magnetically controlled adjustable water resistance rowing machine of claim 1, further comprising:

the adjusting device (6) comprises an adjusting switch (601), an adjusting rotary table (602), a brake cable fixing tube (603) and a brake cable (604);

the adjusting switch (601) is electrically connected with the adjusting turntable (602) and is used for controlling the rotation of the adjusting turntable (602); the adjusting switch (601) is arranged at the position close to the handle (3);

the head end of the brake cable (604) is fixed on the adjusting turntable (602), and the tail end of the brake cable passes through the brake cable fixing pipe (603) and then is fixedly connected with the fixing component (502);

the adjusting turntable (602) is used for pulling the fixing component (502) to move through a brake cable (604), so that the distance between the magnet (503) and the metal shell (501) is adjusted.

3. The magnetically controlled adjustable water resistance rowing machine of claim 2, further comprising:

the brake cable (604) and the elastic device (7) are positioned on the same side of the fixed component (502), and the metal shell (501) is positioned on the other side of the fixed component (502).

4. The magnetically controlled adjustable water resistance rowing machine of claim 1, further comprising:

the guide belt is connected with a rotating wheel (401) arranged on the propeller shaft (4) after bypassing the guide belt wheel (8), and the guide belt wheel (8) and the rotating wheel (401) are positioned on the same horizontal plane.

5. The magnetically controlled adjustable water resistance rowing machine of claim 1, further comprising:

the center of the bottom of the metal shell (501) is inwards sunken to form a fixing groove (5011), and the top of the paddle shaft (4) is inserted into the fixing groove (5011) for fixing.

6. The magnetically controlled adjustable water resistance rowing machine of claim 1, further comprising:

the magnet (503) and the fixing component (502) are connected and fixed through adhesive glue.

7. The magnetically controlled adjustable water resistance rowing machine of claim 4, further comprising:

the magnets (503) on the fixing component (502) are arranged at equal intervals in the circumferential direction.