Double-paddle rowing machine

By using a power mechanism consisting of a turbine, worm gear, and damping wheel, combined with resistance adjustment via a magnetically controlled inertial wheel, the problems of large size and complex assembly in existing rowing machines have been solved, resulting in a miniaturized, aesthetically pleasing, and low-cost twin-propeller rowing machine design.

CN223601933UActive Publication Date: 2025-11-28XIAMEN VERY SPORTS EQUIPMENT CO LTD
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Patent Information

Application Number
CN202423009431.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2025-11-28
Estimated Expiration
2034-12-06

AI Technical Summary

Technical Problem

Existing rowing machines have numerous components, resulting in large size, difficult assembly, and cluttered layout, affecting aesthetics and space usage.

Method used

The power mechanism employs a turbine and worm gear structure, combined with a damping wheel and resistance adjustment components. Speed ​​ratio transmission is achieved through the vertical distribution of the shaft on the turbine and the worm gear, simplifying power transmission. Damping adjustment is achieved using magnets and magnetically controlled inertial wheels, integrating the lever and power transmission system.

Benefits of technology

This has resulted in a smaller size, easier assembly, and a neater layout for the twin-paddle rowing machine, while also providing good power transmission and low cost, thus enhancing the product's competitiveness.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223601933U_ABST
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Abstract

The utility model discloses a double-paddle rowing machine which comprises a main frame, two rowing rods, a power machine core mechanism and a resistance adjusting assembly. The main frame is provided with a sliding rail; a cushion is arranged on the sliding rail; the two rowing rods, the power machine core mechanism and the resistance adjusting assembly are respectively arranged on the main frame; the power machine core mechanism comprises a turbine and a worm which are matched with each other, a shaft is arranged on the turbine, and the shaft on the turbine and the worm are vertically distributed, so that the speed ratio transmission of the power machine core mechanism is realized; two ends of a shaft on the turbine are respectively connected with two rowing rods; the power machine core mechanism further comprises a damping wheel, and the damping wheel is connected to one end of the worm. The resistance adjusting assembly is arranged at the position matched with the damping wheel. According to the utility model, the volume of a product can be reduced, and the space occupied by the product is reduced; and the product is easy to assemble, the overall layout is neat, and the double-paddle rowing machine has the characteristics of good power transmission effect and low manufacturing cost, so that the competitiveness of the double-paddle rowing machine can be improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to body -building apparatus, in particular to a kind of double oar rowing machine. BACKGROUND

[0002] Rowing machine is also called rowing machine, which is a kind of body-building equipment simulating rowing exercise. It has a good effect on muscle enhancement of legs, waist, upper limbs, chest and back. The rowing machine usually includes a main frame, a core component, a seat cushion and other components. The core component usually includes a transmission mechanism and a damping mechanism. The rowing action of the exerciser drives the damping mechanism to move through the transmission mechanism. By adjusting the damping mechanism, the training intensity of the exerciser can be adjusted. The rowing machine on the market includes double oar rowing machine. The double oar rowing machine uses the exerciser to hold one oar with each hand. The oar is driven to rotate by the rowing action of the exerciser's hands. The double oar drives the transmission mechanism to move, and then the transmission mechanism drives the damping mechanism to move, so as to achieve the purpose of simulating rowing exercise. However, the core component of the rowing machine in the prior art has the problems of too many components and too large volume after assembly, which makes the overall volume of the rowing machine too large and occupies too much space. Moreover, each component of the core component is installed on the rowing machine separately. Since there are too many components and the transmission mechanism and the damping mechanism are usually driven by a belt, the assembly is difficult, and the layout on the rowing machine after installation is messy and not beautiful. SUMMARY

[0003] The utility model aims at overcoming the defects of the prior art, providing a double oar rowing machine, which can reduce the volume of the product and the space occupied by the product. The product is easy to assemble, the overall layout is neat, and it has the characteristics of good power transmission effect and low manufacturing cost, so as to improve the competitiveness of the double oar rowing machine.

[0004] The utility model discloses a kind of double oar rowing machines, including main frame, two oars, power core mechanism and resistance adjusting assembly;Main frame has slide rail, and slide rail is equipped with seat cushion;Two oars, power core mechanism and resistance adjusting assembly are installed in main frame respectively;The power core mechanism includes matched turbine, worm, and turbine is equipped with shaft, and shaft on turbine and worm are vertically distributed between, to realize the speed ratio transmission of power core mechanism;The both ends of the shaft on turbine are connected with two oars respectively;Power core mechanism further includes damping wheel, and the damping wheel is connected in one end of worm;Resistance adjusting assembly is equipped in the position compatible with the damping wheel.

[0005] The power movement core mechanism further comprises a base; the base is in a box shape; the base is provided with two vertical through holes penetrating through the base, a shaft on the turbine is installed in one of the through holes of the base, a worm gear is installed in the other through hole of the base, the worm gear is provided with teeth, and the teeth on the turbine are matched with the teeth on the worm gear.

[0006] The power movement core mechanism further comprises a first bearing seat and a second bearing seat; two first bearing seats are respectively installed in one of the through holes of the base, and one of the through holes of the base is arranged in two opposite walls of the base; two second bearing seats are respectively installed in the other through hole of the base, and the other through hole of the base is arranged in the other two opposite walls of the base; the shaft on the turbine is installed in the two first bearing seats through two bearings; and the worm gear is installed in the two second bearing seats through two bearings.

[0007] The main frame further comprises a front support, a rear support and a middle support; the front support and the rear support are respectively fixed at the front and the rear of the slide rail, and the middle support is fixed with the rear support and the rear section of the slide rail; and the power movement core mechanism is fixed on the middle support.

[0008] The bottom ends of the two marking rods are respectively connected with the shaft on the turbine through a rotating shaft sleeve; the rotating shaft sleeve is provided with a sleeve ring and two ear pieces, the sleeve ring is sleeved on the shaft on the turbine, a one-way bearing is further installed between the sleeve ring and the shaft on the turbine, and the bottom ends of the marking rods are installed between the two ear pieces to be connected with the rotating shaft sleeve.

[0009] The resistance adjusting assembly comprises a support and a magnet installed on the support; the support is installed on the middle support, and the magnet on the support is located at a position matched with the damping wheel.

[0010] The resistance adjusting assembly further comprises a magnet fixing frame, a compression spring, a guide rod and a fine adjustment wire; the guide rod is installed on the support, the compression spring is sleeved on the guide rod, the magnet is installed on the magnet fixing frame, the magnet fixing frame is installed in the support through the compression spring, and one end of the fine adjustment wire is connected with the magnet fixing frame.

[0011] The damping wheel of the power movement core mechanism is a magnetic control inertia wheel, an electromagnetic control inertia wheel, a wind resistance inertia wheel or a water resistance inertia wheel.

[0012] Compared with the prior art, the power movement core mechanism has the following beneficial effects:

[0013] The utility model discloses a kind of double oars rowing machines, including main frame, two oars, power core mechanism and resistance adjusting assembly;The power core mechanism includes turbine, worm that cooperate, and turbine is equipped with shaft, and the shaft on turbine and worm are vertically distributed between to realize the speed ratio transmission of power core mechanism;The both ends of the shaft on turbine are connected with two oars respectively;Power core mechanism further includes damping wheel, and the damping wheel is connected in one end of worm;Resistance adjusting assembly is equipped in the position compatible with the damping wheel.This structure of the utility model can not only reduce the volume of product, reduce the space occupied by product;Make product assembly easy, overall layout neat, and have the characteristics of good power transmission effect, low manufacturing cost, to improve the competitiveness of double oars rowing machine.

[0014] The utility model makes further detailed description in combination with drawing and embodiment;But a kind of double oars rowing machine of the utility model is not limited to embodiment. DRAWINGS

[0015] Figure 1 It is the three-dimensional structure schematic diagram of embodiment the utility model;

[0016] Figure 2 It is the exploded schematic diagram of embodiment the utility model Figure 1 ;

[0017] Figure 3 It is the exploded schematic diagram of embodiment the utility model Figure 2 (resistance adjusting assembly place is exploded);

[0018] Figure 4 It is Figure 3 A place enlarged schematic diagram;

[0019] Figure 5 It is the exploded schematic diagram of embodiment the utility model Figure 3 (shaft sleeve place is exploded);

[0020] Figure 6 It is Figure 5 B place enlarged schematic diagram;

[0021] Figure 7 It is the side view of embodiment the utility model;

[0022] Figure 8 It is the front view of embodiment the utility model;

[0023] Figure 9 It is Figure 7 Section view along C-C line in it;

[0024] Figure 10 It is Figure 9 E place enlarged schematic diagram;

[0025] Figure 11 yes Figure 8 A sectional view along the DD line;

[0026] Figure 12 yes Figure 11 Enlarged schematic diagram at point F;

[0027] Figure 13 This is an exploded view (bottom side up) of the power core mechanism of this utility model in an embodiment;

[0028] Figure 14 This is a side view (bottom facing up) of the power mechanism of this utility model in an embodiment;

[0029] Figure 15 This is a bottom view of the power mechanism of this utility model in an embodiment;

[0030] Figure 16 yes Figure 14 Cross-sectional view along line GG;

[0031] Figure 17 yes Figure 15 A cross-sectional view along line HH. Detailed Implementation

[0032] See the example. Figures 1 to 17 As shown, this utility model discloses a double-paddle rowing device, comprising a main frame 1, two paddles 2, a power mechanism 3, and a resistance adjustment component 4. The main frame 1 has a slide rail 11, on which a seat cushion 12 is mounted. The two paddles 2, the power mechanism 3, and the resistance adjustment component 4 are respectively mounted on the main frame 1. The power mechanism 3 includes a cooperating turbine 31 and a worm gear 32, with a shaft 311 mounted on the turbine 31. The shaft 311 and the worm gear 32 are perpendicularly distributed to achieve speed ratio transmission of the power mechanism 3. The two ends of the shaft 311 on the turbine 31 are respectively connected to the two paddles 2. The power mechanism 3 also includes a damping wheel 33, which is connected to one end of the worm gear 32. The resistance adjustment component 4 is mounted in a position adapted to the damping wheel 33.

[0033] In this embodiment, the power core mechanism 3 further includes a base 34; the base 34 is box-shaped; the base 34 is provided with two through holes 341 and 342 that vertically penetrate the base 34; the shaft 311 on the turbine 31 is installed in one of the through holes 341 of the base 34, and the worm gear 32 is installed in the other through hole 342 of the base 34; the worm gear 32 has teeth, and the teeth on the turbine 31 cooperate with the teeth on the worm gear 32.

[0034] In the embodiment, the power movement mechanism 3 further comprises a first bearing seat 35 and a second bearing seat 36; two first bearing seats 35 are respectively arranged in one of the through holes 341 of the base 34, and one of the through holes 341 of the base 34 is arranged in two opposite walls of the base 34; two second bearing seats 36 are respectively arranged in another through hole 342 of the base 34, and the other through hole 342 of the base 34 is arranged in the other two opposite walls of the base 34; the shaft 311 on the turbine 31 is arranged in the two first bearing seats 35 through two bearings 37; the worm 32 is arranged in the two second bearing seats 36 through two bearings 38.

[0035] In the embodiment, the main frame 1 further comprises a front support 13, a rear support 14 and a middle support 15; the front support 13 and the rear support 14 are respectively fixed at the front and rear of the slide rail 11, and the middle support 15 is respectively fixed with the rear support 14 and the rear section of the slide rail 11; the power movement mechanism 3 and the resistance adjusting assembly 4 are fixed on the middle support 15 through screws, and the two sides of the middle support 15 are further provided with cover plates 8 to hide the power movement mechanism 3 and the resistance adjusting assembly 4.

[0036] In the embodiment, the bottom ends of the two rudders 2 are respectively connected with the shaft 311 on the turbine 31 through a rotating shaft sleeve 5; the rotating shaft sleeve 5 has a sleeve ring 51 and two lugs 52, the sleeve ring 51 is sleeved on the shaft 311 on the turbine 31, and a one-way bearing 6 is further arranged between the sleeve ring 51 and the shaft 311 on the turbine 31, and the bottom end of the rudder 2 is arranged between the two lugs 52 to be connected with the rotating shaft sleeve 5. Specifically, the one-way bearing 6 and the rotating shaft sleeve 5 are provided with corresponding flat key grooves and are fixed through a flat key 71, and the one-way bearing 6 and the shaft 311 on the turbine 31 are provided with corresponding flat key grooves and are fixed through a flat key 72.

[0037] In the embodiment, the resistance adjusting assembly 4 comprises a support 41 and a magnet 42 arranged on the support 41; the support 41 is arranged on the middle support 15, and the magnet 42 on the support 41 is located at a position matched with the damping wheel 33.

[0038] In the embodiment, the resistance adjusting assembly 4 further comprises a magnet fixing frame 43, a compression spring 44, a guide rod 45 and a fine adjustment line 46; the guide rod 45 is arranged on the support 41, the compression spring 44 is sleeved on the guide rod 45, the magnet 42 is arranged on the magnet fixing frame 43, the magnet fixing frame 43 is arranged in the support 41 through the compression spring 44, and specifically, the magnet fixing frame 43 is slidingly connected with the guide rod 45, and the compression spring 44 is arranged between the magnet fixing frame 43 and the support 41; one end of the fine adjustment line 46 is connected with the magnet fixing frame 43.

[0039] The damping wheel of the power movement mechanism in the embodiment is a magnetic control inertial wheel.

[0040] The utility model discloses a kind of double oars rowing boats, including main frame 1, two oars 2, power movement mechanism 3 and resistance adjusting assembly 4;The power movement mechanism 3 includes matched turbine 31, worm 32, and turbine 31 is equipped with shaft 311, shaft 311 on turbine 31 and worm 32 between vertically distributed, to realize the speed ratio transmission of power movement mechanism 3;The both ends of shaft 311 on turbine 31 are connected with two oars 2 respectively;Power movement mechanism 3 further includes damping wheel 33, and the damping wheel 33 is connected in one end of worm 32;Resistance adjusting assembly 4 is equipped in the position compatible with the damping wheel 33.This structure of the utility model can not only reduce the volume of product, reduce the space occupied by product;Also make product assembly easy, overall layout neat, and with good power transmission effect, the characteristics of low manufacturing cost, to improve the competitiveness of double oars rowing boat.

[0041] The above is only the preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model has been disclosed as above with preferred embodiment, it is not used to limit the utility model. Any person skilled in the art can utilize the disclosed technical content to make many possible changes and modifications to the technical scheme of the utility model, or modify equivalent equivalent embodiments without departing from the scope of the technical scheme of the utility model. Therefore, any simple modification, equivalent change and modification made to the above embodiment according to the technical essence of the utility model, which does not depart from the content of the technical scheme of the utility model, should fall within the protection scope of the technical scheme of the utility model.

Claims

1. A double oar rowing machine, comprising a main frame, two oar poles, a power core mechanism and a resistance adjusting assembly; the main frame is provided with slide rails on which a seat cushion is arranged; the two oar poles, the power core mechanism and the resistance adjusting assembly are arranged on the main frame; characterized in that: The power core mechanism comprises a turbine and a worm, and the turbine is provided with a shaft, and the shaft of the turbine and the worm are vertically distributed to realize speed ratio transmission of the power core mechanism; two ends of the shaft of the turbine are respectively connected with two drawing rods; the power core mechanism further comprises a damping wheel, and the damping wheel is connected with one end of the worm; and a resistance adjusting assembly is arranged at a position matched with the damping wheel.

2. The double paddle boat according to claim 1, characterized in that: The power core mechanism further comprises a base; the base is in a box shape; the base is provided with two through holes vertically penetrating the base, the shaft of the turbine is arranged in one of the through holes of the base, and the worm is arranged in the other through hole of the base, the worm is provided with teeth, and the teeth of the turbine are matched with the teeth of the worm.

3. The double paddle boat according to claim 2, characterized in that: The power core mechanism further comprises a first bearing seat and a second bearing seat; two first bearing seats are respectively arranged in one of the through holes of the base, and one of the through holes of the base is arranged in two opposite walls of the base; two second bearing seats are respectively arranged in the other through hole of the base, and the other through hole of the base is arranged in the other two opposite walls of the base; the shaft of the turbine is arranged in the two first bearing seats through two bearings; and the worm is arranged in the two second bearing seats through two bearings.

4. The double paddle boat according to claim 3, characterized in that: The main frame further comprises a front support, a rear support and a middle support; the front support and the rear support are respectively fixed at the front and the rear of the slide rail, and the middle support is fixed with the rear support and the rear section of the slide rail; and the power core mechanism is fixed on the middle support.

5. The double paddle boat according to claim 4, characterized in that: Bottom ends of the two drawing rods are respectively connected with the shaft of the turbine through a rotating shaft sleeve; the rotating shaft sleeve is provided with a sleeve ring and two ear plates, the sleeve ring is sleeved on the shaft of the turbine, a one-way bearing is further arranged between the sleeve ring and the shaft of the turbine, and the bottom end of the drawing rod is arranged between the two ear plates to be connected with the rotating shaft sleeve.

6. The double paddle boat according to claim 4, characterized in that: The resistance adjusting assembly comprises a support and a magnet arranged on the support; the support is arranged on the middle support, and the magnet on the support is arranged at a position matched with the damping wheel.

7. The double paddle boat according to claim 6, characterized in that: The resistance adjusting assembly further comprises a magnet fixing frame, a compression spring, a guide rod and a fine adjustment wire; the guide rod is arranged on the support, the compression spring is sleeved on the guide rod, the magnet is arranged on the magnet fixing frame, the magnet fixing frame is arranged in the support through the compression spring, and one end of the fine adjustment wire is connected with the magnet fixing frame.

8. The double paddle boat according to claim 1, characterized in that: The damping wheel of the power core mechanism is a magnetic control inertia wheel, an electromagnetic control inertia wheel, a wind resistance inertia wheel or a water resistance inertia wheel.