CN216824661U - Paddle structure and water tank for boating machine - Google Patents
Paddle structure and water tank for boating machine Download PDFInfo
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- CN216824661U CN216824661U CN202220266217.7U CN202220266217U CN216824661U CN 216824661 U CN216824661 U CN 216824661U CN 202220266217 U CN202220266217 U CN 202220266217U CN 216824661 U CN216824661 U CN 216824661U
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Abstract
The utility model relates to a body-building apparatus technical field especially relates to a paddle structure and water tank for boating machine. The paddle structure comprises paddles and a shaft body which drives the paddles to synchronously rotate, wherein a paddle angle adjusting mechanism is arranged between each paddle and the shaft body, and the paddle angle adjusting mechanism realizes the change of water resistance when the paddles synchronously rotate by adjusting the angle of each paddle; the paddle angle adjusting mechanism is a connecting rod type paddle adjusting mechanism, the connecting rod type paddle adjusting mechanism comprises a connecting rod linkage structure arranged between the paddles and the bottom of the shaft body, and the connecting rod linkage structure drives the paddles to synchronously rotate for a certain angle under the driving of the shaft body. This oar structure improves through oar structure in to current rowing machine water tank, can adjust paddle to different angles, so, when the paddle rotates in step, can realize the different effects that the water hinders, is convenient for promote the exercise effect, adapts to different stages training person's needs.
Description
Technical Field
The utility model relates to a body-building apparatus technical field especially relates to a paddle structure and water tank for boating machine.
Background
Rowing machines (also known as Rowing machines) are machines used for training purposes to simulate the movement of water racing boats. The rowing machine has a good effect on strengthening muscles of legs, waists, upper limbs, chests and backs, and can complete the complete contraction and extension of the upper limbs, the lower limbs, the waists and the abdomens and the backs in the process every time of rowing, so that the exercise effect of whole body muscles can be achieved.
Rowing machine is in the use, and training person's tensile dynamics is adjusted with the resistance of water mainly through the oar in the water tank, if can be through the change of how much realization different resistances of the water yield in the water tank, secondly, training person's different tensile dynamics also has different impression to oar resistance in the water tank. The existing paddle in the water tank of the rowing machine is simple in structure, generally adopts fixed blade type paddles, the water resistance in training can only be changed by adjusting the rotating speed of the paddles by the pulling force of a pull rope or the water containing amount of the pull rope through a trainer and then driving a shaft rod connected with the paddles, and the flexible adaptation and the convenient adjustment are difficult to realize due to the difference of the pulling force for trainees in different training stages.
SUMMERY OF THE UTILITY MODEL
The utility model provides a oar structure and for machine water tank of rowing boat improves through oar structure in to current machine water tank of rowing boat, can adjust paddle to different inclination, so, when the paddle rotates in step, can realize the different effects of water resistance, is convenient for promote the exercise effect, adapts to different stage training person's needs, has solved the problem that exists among the prior art.
The utility model discloses a solve one of the technical scheme that above-mentioned technical problem adopted and be:
a water paddle structure comprises paddles and a shaft body driving the paddles to rotate synchronously, wherein a paddle angle adjusting mechanism is arranged between each paddle and the shaft body, and the paddle angle adjusting mechanism realizes the change of water resistance when the paddles rotate synchronously by adjusting the angle of each paddle;
the paddle angle adjusting mechanism is a connecting rod type paddle adjusting mechanism, the connecting rod type paddle adjusting mechanism comprises a connecting rod linkage structure arranged between the paddle and the bottom of the shaft body, and the connecting rod linkage structure drives each paddle to synchronously rotate for a certain angle under the driving of the shaft body.
Furthermore, a shaft rod is sleeved in the shaft body, an end cap is arranged on the shaft body outside the shaft rod, and the end cap horizontally rotates to drive the shaft rod to rotate downwards or upwards; the bottom end of the shaft lever penetrates out of the shaft body and is in threaded connection with the connecting rod linkage structure;
the connecting rod linkage structure comprises a top seat and a connecting rod, the top end of the connecting rod is hinged with the outer side of the top seat, the bottom end of the connecting rod is hinged with one end of a connecting column, the other end of the connecting column is connected with the end part of a propeller shaft of a propeller, a propeller shaft end part close to the connecting column is provided with a propeller shaft, the outer side of the propeller shaft is sleeved with a propeller pipe, two arc-shaped slide ways for the propeller shaft to slide and push are symmetrically arranged on the propeller pipe, and the propeller shaft rotates in a circumferential angle through the sliding of the propeller shaft along the arc-shaped slide ways on the propeller pipe through the propeller shaft;
the connecting rod linkage structure outside covers and establishes the protection casing, sets up the confession on the protection casing the cover hole that the spliced pole passed, cup joint sealed column shell in the spliced pole outside of cover hole outside, the one end of sealed column shell with the protection casing outer wall links firmly, the other end of sealed column shell with the one end of oar pipe links firmly.
Further, the blade side shaft is arranged perpendicular to the blade axis.
Further, a bolt is screwed on the shaft lever above the top seat.
Furthermore, the protective cover is a cylindrical protective cover, and the bottom of the shaft rod penetrates through the top wall of the protective cover and extends into the protective cover; the bottom end of the shaft body is connected with the top wall of the protective cover.
Further, still a spiro union fixed column in axle body bottom outside, connect in the bottom of fixed column the protection casing roof, the axostylus axostyle passes downwards the fixed column stretches into to set up in the protection casing.
Furthermore, the shaft lever downwards penetrates through the fixing column to extend into the protective cover to be fixed with the top seat of the connecting rod linkage structure in a threaded manner.
Further, the bottom end of the fixing column is in threaded connection with the top wall of the protective cover.
Furthermore, the shaft body comprises a shaft sleeve sleeved outside the shaft rod, the top of the shaft rod penetrates through the shaft sleeve, and the end cap is arranged outside the top of the shaft sleeve; the inner wall of the end cap is in threaded connection with the side wall of the shaft rod above the shaft sleeve; set up spacing ring structure between axle sleeve top and end cap inner wall, spacing ring structure is used for the restriction end cap high position on the axle sleeve.
Further, the spacing ring structure comprises a groove arranged on the outer side of the top of the shaft sleeve and a boss arranged on the inner wall of the end cap and matched with the groove in a horizontal circumferential rotation mode. The end cap horizontally rotates at a fixed height position on the shaft sleeve through a limiting ring structure, and then drives the shaft rod in the shaft sleeve to rotate.
Further, the end cap is a split end cap, and the split end cap comprises two parts which are clasped to the outer side of the shaft sleeve.
Further, the blades comprise 3 blades which are uniformly arranged at intervals in the horizontal circumferential direction; each blade is a blade provided with a plate-shaped blade.
The utility model adopts the second technical proposal that:
a water tank for a rowing machine comprises the paddle structure, and the water tank is covered outside blades of the paddle structure.
Further, the water tank comprises an enclosure and an enclosure bottom plate sealed with the bottom end of the enclosure; a fixing column is sleeved between the outer side of the bottom of the shaft body and the housing, the top wall of the housing is rotatably connected with the outer side of the bottom of the fixing column, and the fixing column is in threaded connection with the outer side of the bottom of the shaft body; a protective cover is connected in the housing below the fixed column, and the top wall of the protective cover is fixed with the bottom end of the fixed column extending into the housing in a threaded manner; a connecting rod linkage structure is arranged in the protective cover, a shaft rod of the shaft body downwards penetrates through the top wall of the housing to be connected with the connecting rod linkage structure, and the connecting rod linkage structure is used for driving and adjusting the angle of the paddle outside the protective cover; and a supporting connecting shaft is fixedly connected below the shell bottom plate and used for supporting the water tank of the rowing machine on the rowing machine.
Further, the top end of the supporting connecting shaft penetrates through the shell bottom plate and is fixedly connected with the bottom wall of the protective cover.
The utility model has the advantages that:
the utility model discloses a paddle structure is through designing the paddle to angle adjustable formula, mainly adjusts through the connecting rod linkage structure between paddle and the axle body, compares the paddle of fixed angle, can be nimble realize the regulation of angle to the paddle, when axle body drive connecting rod linkage structure action, promotion paddle circumference synchronous rotation, the paddle rotates the certain angle of adjustment, so, when follow-up use, the paddle together rotates the in-process, has realized the adjustment of whole water resistance. The top seat of a connecting rod linkage mechanism screwed with the bottom of the shaft rod is driven to move downwards by screwing the shaft rod of the shaft body through the end cap, and the blade is pushed and rotated in a certain path through the matching of the connecting rod, the connecting column, the blade side shaft, the water paddle pipe and the arc-shaped slideway, so that the angle of the blade is adjusted. The adjusting process is convenient to adjust and flexible to use, different angle adjustment of the blades is met, and certain rotation resistance is convenient to realize at the angle subsequently. Be applied to rowing machine water tank with this oar structure and use, can realize the regulation more nimble of water resistance in the water tank, be convenient for promote the exercise effect, adapt to different stages training person's needs.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
FIG. 2 is a schematic sectional view taken along line A-A in FIG. 1;
FIG. 3 is a schematic top view of the structure of FIG. 1;
FIG. 4 is a schematic perspective view of FIG. 1;
FIG. 5 is a schematic sectional view taken along line B-B in FIG. 4;
FIG. 6 is a schematic view of the structure of FIG. 1 with the shield and a connecting post removed;
FIG. 7 is a schematic view of FIG. 6 with one of the paddles further removed;
fig. 8 is a schematic structural view of embodiment 2 of the present invention;
fig. 9 is a schematic sectional view along the direction C-C in fig. 8.
The device comprises a blade 1, a shaft 2 body, a shaft 2.1, a shaft 2.2, a shaft sleeve 3, an end cap 3, a top seat 4, a connecting rod 5, a connecting column 6, a blade side shaft 7, a water paddle pipe 8, an arc slideway 9, a protective cover 10, a sealing column shell 11, a fixing column 12, a limiting ring structure 13, a water tank 14, a housing 14.1, a housing bottom plate 14.2, a supporting connecting shaft 15 and a bolt 16.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present invention is explained in detail through the following embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example 1
As shown in fig. 1-7, the water paddle structure comprises paddles 1 and a shaft body 2 for driving the paddles to synchronously rotate, wherein a paddle angle adjusting mechanism is arranged between each paddle and the shaft body, and the paddle angle adjusting mechanism realizes the change of water resistance when the paddles synchronously rotate by adjusting the angle of each paddle; the paddle angle adjusting mechanism is a connecting rod type paddle adjusting mechanism, the connecting rod type paddle adjusting mechanism comprises a connecting rod linkage structure arranged between the bottoms of the paddles 1 and the shaft body 2, and the connecting rod linkage structure drives the paddles to synchronously rotate for a certain angle under the driving of the shaft body.
A shaft lever 2.1 is sleeved in the shaft body 2, an end cap 3 is arranged on the shaft body outside the shaft lever, and the end cap horizontally rotates to drive the shaft lever to rotate downwards or upwards; the bottom end of the shaft lever 2.1 penetrates out of the shaft body and is in threaded connection with the connecting rod linkage structure.
The connecting rod linkage structure comprises a top seat 4 and a connecting rod 5, wherein the top end of the connecting rod is hinged with the outer side of the top seat, the bottom end of the connecting rod is hinged with one end of a connecting column 6, the other end of the connecting column is connected with the end part of a propeller shaft of a propeller blade 1, a propeller shaft end part close to the connecting column 6 is provided with a propeller shaft side shaft 7, the outer side of the propeller shaft is sleeved with a propeller pipe 8, two arc-shaped slideways 9 for the propeller shaft to slide and push are symmetrically arranged on the propeller shaft, and the propeller shaft rotates at a circumferential angle through the sliding of the propeller shaft along the arc-shaped slideways on the propeller shaft. A bolt 16 is also screwed onto the shaft 2.1 above the top seat.
The protection casing 10 is established to the outside cover of connecting rod linkage structure, sets up the confession on the protection casing the cover hole that the spliced pole passed, cup joint sealed column shell 11 in the spliced pole outside of cover hole outside, the one end of sealed column shell with the protection casing outer wall links firmly, the other end of sealed column shell with the one end of oar pipe 8 links firmly.
The blade side shaft 7 is disposed perpendicular to the blade axis.
The protective cover 10 is a columnar protective cover, and the bottom of the shaft lever 2.1 penetrates through the top wall of the protective cover and extends into the protective cover; the bottom end of the shaft body is connected with the top wall of the protective cover. A fixing column 12 is further in threaded connection with the outer side of the bottom of the shaft body, the bottom end of the fixing column is connected with the top wall of the protective cover, and the shaft rod penetrates through the fixing column downwards and extends into the protective cover to be fixedly connected with the top seat of the connecting rod linkage structure in a threaded connection mode. The bottom end of the fixing column is in threaded connection with the top wall of the protective cover.
The shaft body 2 comprises a shaft sleeve 2.2 sleeved outside the shaft rod 2.1, the top of the shaft rod penetrates through the shaft sleeve, and the end cap 3 is arranged outside the top of the shaft sleeve; the inner wall of the end cap is in threaded connection with the side wall of the shaft rod above the shaft sleeve; set up spacing ring structure 13 between axle sleeve top and end cap inner wall, spacing ring structure is used for restricting the high position of end cap on the axle sleeve, the spacing ring structure including locate the axle sleeve top outside the recess with the horizontal circumference normal running fit's of recess boss on locating the end cap inner wall. And the end 3 horizontally rotates at a fixed height position on the shaft sleeve 2.2 through a limiting ring structure, and further drives the shaft lever in the shaft sleeve to rotate.
The end cap can be a split end cap, and the split end cap comprises two parts which are clasped on the outer side of the shaft sleeve. Thus, the installation and the disassembly are convenient.
The blades 1 comprise 3 blades which are uniformly arranged at intervals in the horizontal circumferential direction; each blade is a blade provided with a plate-shaped blade.
When the propeller shaft adjusting mechanism is used, the end cap 3 is screwed, the end cap drives the shaft rod 2.1 in the shaft sleeve 2.2 to rotate downwards, the bottom end of the shaft rod pushes the top seat 4 of the connecting rod linkage structure downwards, the top seat moves downwards in the protective cover 10, the connecting rod 5 drives the connecting column 6 and the propeller shaft of the propeller shaft 1 connected with the connecting column to move along the propeller pipe 8, at the moment, the propeller shaft 8 on the propeller shaft of the propeller shaft can slide along the path of the arc-shaped slide way 9 due to the pushing force of the connecting rod 5, further, the effects of outwards moving and autorotation of the propeller shaft are realized, the inclination angle of the propeller shaft is changed to an appropriate inclination angle, and the end cap stops rotating, so that the angle adjustment of the propeller shaft 1 is realized.
Example 2
As shown in fig. 8 to 9, the water tank for the rowing machine includes the paddle structure of embodiment 1, and a water tank 14 is covered outside the paddle structure, and the water tank is a transparent or translucent water tank.
The water tank 14 comprises a housing 14.1 and a housing bottom plate 14.2 sealed with the bottom end of the housing; a fixed column 12 is sleeved between the outer side of the bottom of the shaft body and the housing, the top wall of the housing is rotatably connected with the outer side of the bottom of the fixed column, and the fixed column is in threaded connection with the outer side of the bottom of the shaft body; the protective cover 10 is connected in the housing below the fixed column, and the top wall of the protective cover is fixed with the bottom end of the fixed column extending into the housing in a threaded manner; the connecting rod linkage structure is arranged in the protective cover, a shaft rod 2.1 of the shaft body 2 downwards penetrates through the top wall of the housing to be connected with the connecting rod linkage structure, and the connecting rod linkage structure is used for driving and adjusting the angle of the blade 1 outside the protective cover; a supporting connecting shaft 15 is fixedly connected below the shell bottom plate and used for supporting the water tank of the rowing machine on the rowing machine; the top end of the supporting and connecting shaft passes through the bottom plate 14.2 of the shell and is connected with the bottom wall of the protective cover.
When the rowing machine is used, the training pull rope of the rowing machine is connected with the outer side of the shaft body 2 through the connecting piece, and the connecting mode can adopt the connecting mode of the existing pull rope and the shaft body on the water tank of the rowing machine, such as a spiral spring mode. When the stay cord is pulled or played back, the shaft body 2 rotates in the opposite direction, so that the fixed column 12 connected with the shaft body and the protective cover 10 connected below the fixed column are driven to rotate in the circumferential direction in the water tank, and when the protective cover rotates, the blades 1 integrally connected with the protective cover rotate in the circumferential direction synchronously. Because the deflection angle of the paddle 1 is adjusted before the pulling of the pull rope, the specific adjusting process is the same as that of the embodiment 1, the change of the water resistance is realized in the process of carrying out the rowing training of the rowing machine by pulling the pull rope, and the problem that trainers in different training stages are difficult to flexibly pull the pull rope due to insufficient tensile force and the training effect is influenced is solved.
The above-mentioned specific embodiments can not be regarded as the restriction to the scope of protection of the utility model, to technical personnel in this technical field, it is right the utility model discloses any replacement improvement or transform that embodiment made all fall within the scope of protection of the utility model.
The parts of the present invention not described in detail are the known techniques of those skilled in the art.
Claims (9)
1. A water paddle structure comprises paddles and a shaft body driving the paddles to rotate synchronously, and is characterized in that a paddle angle adjusting mechanism is arranged between each paddle and the shaft body, and the paddle angle adjusting mechanism realizes the change of water resistance when the paddles rotate synchronously by adjusting the angle of each paddle;
the paddle angle adjusting mechanism is a connecting rod type paddle adjusting mechanism, the connecting rod type paddle adjusting mechanism comprises a connecting rod linkage structure arranged between the paddle and the bottom of the shaft body, and the connecting rod linkage structure drives each paddle to synchronously rotate for a certain angle under the driving of the shaft body.
2. The paddle structure of claim 1, wherein the shaft rod is sleeved in the shaft body, the end cap is arranged on the shaft body outside the shaft rod, and the end cap rotates horizontally to drive the shaft rod to rotate downwards or upwards; the bottom end of the shaft lever penetrates out of the shaft body and is in threaded connection with the connecting rod linkage structure;
the connecting rod linkage structure comprises a top seat and a connecting rod, the top end of the connecting rod is hinged with the outer side of the top seat, the bottom end of the connecting rod is hinged with one end of a connecting column, the other end of the connecting column is connected with the end part of a propeller shaft of a propeller, a propeller shaft side shaft is arranged at the end part of the propeller shaft close to the connecting column, a propeller pipe is sleeved at the outer side of the propeller shaft, two arc-shaped slideways for the propeller shaft to slide and push are symmetrically arranged on the propeller pipe, and the propeller shaft slides along the arc-shaped slideways on the propeller pipe through the propeller shaft to realize rotation of circumferential angles;
establish the protection casing at the outside cover of connecting rod linkage structure, set up the confession on the protection casing the cover hole that the spliced pole passed, cup joint sealed column shell in the spliced pole outside of cover hole outside, the one end of sealed column shell with the protection casing outer wall links firmly, the other end of sealed column shell with the one end of oar pipe links firmly.
3. The paddle structure of claim 2, wherein the shroud is a cylindrical shroud, and the bottom of the shaft extends through a top wall of the shroud into the shroud; the bottom end of the shaft body is connected with the top wall of the protective cover.
4. The paddle structure of claim 3, wherein a fixing post is further screwed to the outer side of the bottom of the shaft body, the bottom end of the fixing post is connected with the top wall of the protective cover, and the shaft rod penetrates through the fixing post downwards and extends into the protective cover.
5. The paddle structure of claim 2, wherein the shaft body includes a shaft sleeve sleeved outside the shaft rod, the top of the shaft rod extends out of the shaft sleeve, and the end cap is disposed outside the top of the shaft sleeve; the inner wall of the end cap is in threaded connection with the side wall of the shaft rod above the shaft sleeve; set up spacing ring structure between axle sleeve top and end cap inner wall, spacing ring structure is used for the restriction end cap high position on the axle sleeve.
6. The paddle structure of claim 5, wherein the end cap is a split end cap comprising two portions that wrap around the outside of the shaft sleeve.
7. The paddle structure of claim 1, wherein the paddle comprises 3 evenly spaced in a horizontal circumferential direction; each blade is a blade provided with a plate-shaped blade.
8. A water tank for a rowing machine, comprising the paddle structure of any one of claims 1 to 7, wherein the water tank is covered outside blades of the paddle structure.
9. The rowing machine tank in accordance with claim 8, wherein the tank includes a case and a case bottom plate sealed with a bottom end of the case; a fixing column is sleeved between the outer side of the bottom of the shaft body and the housing, the top wall of the housing is rotatably connected with the outer side of the bottom of the fixing column, and the fixing column is in threaded connection with the outer side of the bottom of the shaft body; a protective cover is connected in the housing below the fixed column, and the top wall of the protective cover is fixed with the bottom end of the fixed column extending into the housing in a threaded manner; a connecting rod linkage structure is arranged in the protective cover, a shaft rod of the shaft body downwards penetrates through the top wall of the housing to be connected with the connecting rod linkage structure, and the connecting rod linkage structure is used for driving and adjusting the angle of the paddle outside the protective cover; and a supporting connecting shaft is fixedly connected below the shell bottom plate and used for supporting the water tank of the rowing machine on the rowing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220266217.7U CN216824661U (en) | 2022-02-08 | 2022-02-08 | Paddle structure and water tank for boating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220266217.7U CN216824661U (en) | 2022-02-08 | 2022-02-08 | Paddle structure and water tank for boating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216824661U true CN216824661U (en) | 2022-06-28 |
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ID=82089118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220266217.7U Active CN216824661U (en) | 2022-02-08 | 2022-02-08 | Paddle structure and water tank for boating machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216824661U (en) |
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2022
- 2022-02-08 CN CN202220266217.7U patent/CN216824661U/en active Active
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