CN2868354Y - Boat rowing device - Google Patents

Abstract

The utility model relates to a sport facility, in detail referring to a boating device used in boating sport. The device mainly comprises a main-frame unit with a main pole, a seat-unit set in the main-frame unit, a couple of pivot-connecting units set on the bottom side of the main-frame unit, a couple of handles set on the pivot-connecting unit and a resistance unit set between the pivot-connecting unit and the main-frame unit. The utility model has the advantages of that the utility model possesses the function of boating by two hands or by one hand and the function of exercising the abdomen and also the function of being folded and fixed.

Description

A kind of rowing machine

Technical field

The utility model relates to a kind of sports equipment, the specifically a kind of rowing machine that can simulate boating.

Background technology

Because having with the training aids of rowing the boat, exercise is difficult for folding, the excessive shortcoming of collection volume, the utility application of No. 92203741 " the collapsible training aids of rowing the boat " that the applicant has created Taiwan, as accompanying drawing 1,2, shown in 3, this training aids 10 of rowing the boat has by a mobile jib 111, the main frame unit 11 that a foot lever 112 and a back seat 113 are formed before one, one is slidedly arranged on the slide 12 of this mobile jib 111, one is fixed in the seat cushion 13 of this slide 12, one is fixedly set in the holder 14 of these mobile jib 111 bottom sides, be the T shape pipe 15 that is sheathed on this holder 14 rotationally and is positioned at these mobile jib 111 both sides respectively, be two armed levers 16 and the two pivot seats 17 that are hubbed at this T shape pipe 15 rotationally respectively, be two handrails 18 that are hubbed at two armed levers 16 rotationally respectively, and be installed in respectively between this two pivots seat 17 and this back seat 113 also and can impose on two resistance pieces 19 that this two T shape is managed 15 1 rotary resistances.

The above-mentioned training aids of rowing the boat, rotatable this two handrail 18 and two armed levers 16 drive two T shapes pipe 15 to reach the use effect of singlehanded boating, in addition, can make two armed levers 16 and two handrails 18 be posted by this mobile jib 111, and then have the effect that conveniently to fold and can dwindle the collection volume.

Training aids 10 has above-mentioned effect though this is rowed the boat, and function singleness can't satisfy consumer's user demand.

Summary of the invention

First purpose of the present utility model provides a kind of rowing machine that can carry out one hand, both hands boating; Second purpose of the present utility model provides a kind of rowing machine that can carry out abdominal exercise; The 3rd purpose of the present utility model provides a kind of can folding and the rowing machine of stationary links unit.

Requirement in order to achieve the above object, the utility model adopt following scheme to realize:

A kind of rowing machine, comprise that a main frame unit, that is provided with a mobile jib is slidedly arranged on the seat unit of main frame unit, a pair ofly is arranged at the hinged unit of main frame unit bottom side, a pair of door handle device and that is arranged on the hinged unit is installed on the resistance unit between hinged unit and the main frame unit, described hinged unit comprises that one is fixedly set in the first pivot frame of mobile jib bottom side and is arranged at the second pivot frame on the first pivot frame, flexible connection for rotating between the second pivot frame and the first pivot frame, the central cross of its rotation is parallel to mobile jib; Described door handle device is arranged at the main frame unit both sides, and every side comprises a linkage unit that is connected with the second pivot frame, is provided with the gripping unit between two linkage units; Described seat unit both sides are respectively arranged with two sleeve pipes, are connected with holding rod on two sleeve pipes respectively.

As improvement to such scheme, above-mentioned linkage unit comprises that end is connected with the second pivot frame one by one, horizontal first pole of stretching out to the mobile jib side reaches by a pivot joint assembly and is connected in second pole of the first pole other end, can rotate relative to first pole by articulating assembly second pole.Described gripping unit comprise the adapter that is arranged at second pole and connect two adapters respectively and mutually between two holding rods for flexibly connecting.

As further improvement of these options, above-mentioned holding rod can be following form: holding rod comprises first holding rod, second holding rod and the winding combination that connects the two, first holding rod has a sleeve pipe, and less formation one intubate of outside of sleeve end diameter, inner side outer wall radially are provided with perforation; Described second holding rod has one and holds a writing brush or pen-write, less formation second intubate of the inner side diameter that holds a writing brush or pen-write, and the second intubate outer wall radially is provided with perforation, in less formation first intubate of the second holding rod outboard end diameter; Described winding combination comprises a V-shaped shell fragment, and shell fragment is placed in second intubate, and shell fragment openend arranged outside has a reference column that is interspersed in perforation and the perforation.

As further improvement of these options, holding rod can be following another kind of form: holding rod comprises two the 3rd holding rods and the winding combination that is connected two the 3rd holding rods, the 3rd holding rod comprises a sleeve pipe, the less formation intubate of outside of sleeve end diameter, and the medial extremity inwall radially is provided with a projection; This winding assembly is that two ends have the tube connector that is used for inserting sleeve pipe, has vertically guide groove and locating slot along the circumferential direction, guide groove and locating slot connection on the tube connector.

As further improvement of these options, holding rod can be following another kind of form: holding rod comprises two the 4th holding rods, the less formation intubate of the outer end diameter of two the 4th holding rods, the less formation winding of the inner diameter of one the 4th holding rod assembly wherein, the winding assembly is provided with screw thread and forms double-screw bolt, and the inner inwall of another the 4th holding rod is provided with the screw that cooperates with double-screw bolt.

As to further the improving again of such scheme, also be provided with first bolster in the mobile jib bottom side, first bolster middle part is for being directly fixed on first lock dog of mobile jib bottom side, and two ends are to be used to place first pole be first of arcs of recesses and hold piece; Also be provided with second bolster in the mobile jib bottom side, second bolster middle part is for being directly fixed on second lock dog of mobile jib bottom side, and two ends are to be used to place second pole be second of arcs of recesses and be piece.

Simultaneously, above-mentioned scheme can further be improved to: the resistance unit comprises that the resistance piece and that is arranged between the second pivot frame and the mobile jib rearward end is fixed in the 3rd pivot frame of mobile jib rearward end bottom side, above-mentioned resistance piece is an oil hydraulic cylinder, and this oil hydraulic cylinder has one and is fixed on the cylinder body on the second pivot frame and stretches out the piston rod that is connected in the 3rd pivot frame from cylinder body; Described main frame unit also comprises fore-stock, the after-poppet that is arranged at mobile jib leading section, rearward end respectively; Described seat unit comprises the slide that is arranged on the mobile jib and can moves along mobile jib and is fixed in seat cushion on the slide that two sleeve pipes are individually fixed on the wing plate of slide both sides.

A kind of rowing machine that carries out one hand, both hands boating, its implementation is:

A kind of rowing machine, comprise a main frame unit, two fore-stocks that main frame unit comprises a mobile jib and is fixedly set in mobile jib leading section both sides, be slidingly equipped with a seat unit on the mobile jib, each fore-stock is provided with rotating pole, between each fore-stock and corresponding pole, also be provided with a resistance piece, it is characterized in that: on an end of each pole, be arranged with an adapter, between two adapters, be provided with two holding rods that are connected with adapter and flexibly connect by a winding assembly.

Above-mentioned holding rod comprises first holding rod and second holding rod, and first holding rod has a sleeve pipe, and less formation one intubate of outside of sleeve end diameter, inner side outer wall radially are provided with perforation; Described second holding rod has one and holds a writing brush or pen-write, less formation second intubate of the inner side diameter that holds a writing brush or pen-write, and the second intubate outer wall radially is provided with perforation, in less formation first intubate of the second holding rod outboard end diameter; Described winding combination comprises a V-shaped shell fragment, and shell fragment is placed in second intubate, and shell fragment openend arranged outside has a reference column that is interspersed in perforation and the perforation.

The utlity model has following advantage:

1. first holding rod that grips the unit and second holding rod can be fastened to each other with separate, two the 3rd holding rods can be fastened to each other with separate with two the 4th holding rods also can be fastened to each other with separate, make the function and the advantage that the utlity model has both hands, singlehanded boating.

2. the sleeve pipe of wing plate both sides can be used for respectively interting and fix first holding rod, second holding rod or two the 3rd holding rods or the 4th holding rod, grip bar, makes to the utlity model has function and the advantage that can be good for the abdomen motion during use.

3. owing to be used for first bolster and second bolster placed after first pole and the second pole folding being provided with below the mobile jib, make that the utlity model has can fixing function and the advantage of folding.

Description of drawings

Accompanying drawing 1 is a schematic perspective view of No. 92203741 novel patent in Taiwan;

Accompanying drawing 2 by accompanying drawing 1 the novel decomposing state schematic perspective view of announcement;

Accompanying drawing 3 by accompanying drawing 1 the novel folding state schematic perspective view of announcement;

Accompanying drawing 4 is the schematic perspective view of the utility model one preferred embodiment;

Accompanying drawing 5 is to grip unit and seat unit exploded view in this preferred embodiment;

Accompanying drawing 6 is to grip the local combination in unit cross-sectional schematic in this preferred embodiment;

Accompanying drawing 7 is hinged unit in this preferred embodiment, linkage unit and resistance unit partial exploded view;

Accompanying drawing 8 is installed on partial schematic sectional view behind the mobile jib for seat unit in this preferred embodiment;

Accompanying drawing 9 is second kind of gripping unit exploded view in this preferred embodiment;

Accompanying drawing 10 is that the third grips unit exploded view in this preferred embodiment;

Accompanying drawing 11 carries out the use schematic diagram of singlehanded bent rowing physical training condition for this preferred embodiment;

Accompanying drawing 12 carries out the use schematic diagram of both hands bent rowing physical training condition for this preferred embodiment;

Accompanying drawing 13 carries out the use schematic diagram of both hands SAE state for this preferred embodiment;

Accompanying drawing 14 carries out the use schematic diagram of another kind of both hands SAE state for this preferred embodiment;

Accompanying drawing 15 carries out the use schematic diagram of waist power training state for this preferred embodiment;

Accompanying drawing 16 is two intubate and a slide exploded view in this preferred embodiment;

Accompanying drawing 17 is fixed in the schematic perspective view after two intubate for two holding rods in this preferred embodiment intert;

Accompanying drawing 18 is good for the use schematic diagram of abdomen motion state for this preferred embodiment;

Accompanying drawing 19 is first bolster in this preferred embodiment, second bolster and mobile jib exploded view;

Accompanying drawing 20 is in this preferred embodiment being fixed in the linkage unit folding combination schematic diagram on first bolster, second bolster;

Accompanying drawing 21 is that this preferred embodiment first pole is positioned over the cross-sectional schematic on first bolster;

Accompanying drawing 22 is that this preferred embodiment second pole is positioned over the cross-sectional schematic on second bolster;

Accompanying drawing 23 is this preferred embodiment resistance piece decomposing state schematic diagram;

Accompanying drawing 24 is this preferred embodiment resistance piece assembling back schematic diagram;

Accompanying drawing 25 is implemented on the decomposing state schematic diagram of another kind of rowing machine for the gripping unit.

The specific embodiment

For the ease of those skilled in the art's understanding, the utility model structural principle is further described in detail below in conjunction with specific embodiment and accompanying drawing:

Shown in accompanying drawing 4,5,7, the rowing machine that present embodiment disclosed mainly comprise a carrier unit 20, be slidedly arranged on seat unit 30 on the main frame unit 20, a pair of hinged unit 40 that is arranged at main frame unit 20 bottom sides, a pair of be arranged at the door handle device 50 of hinged unit 40 and be installed in hinged unit 40 and main frame unit 20 between resistance unit 90.

This main frame unit 20 comprises a mobile jib 21, mobile jib 21 is the strip section bar, both sides are provided with slide rail 213, its leading section 211 is provided with a fore-stock 22, be provided with an after-poppet 23 in mobile jib 21 rearward end 212, a pair of counter 24 that is arranged at body frame 21 leading sections 211 top sides, counter 24 is fixed on the mobile jib 21 by the fixed bar 25 of a horizontally set, also be provided with two pedals 26 in counter 24 both sides, pedal 26 is same fixing by fixed bar 25.

Shown in accompanying drawing 4,5,8, seat unit 30 comprises a slide 31 that is slidedly arranged on the mobile jib 21 and can slides along mobile jib 21, be fixed with a seat cushion 32 on the slide 31.

This slide 31 has the space and is divided into two wing plates 311 of mobile jib 21 both sides and the connecting plate 312 that connects two wing plates 311.

In this preferred embodiment middle age, two wing plates, 311 inboards are provided with the roller 33 that can roll in slide rail 213, make slide 31 can drive seat cushion 32 and move back and forth on mobile jib 21.

Above-mentioned hinged unit 40 comprises that one is fixed on the first pivot frame, 41, the first pivot framves 41 of mobile jib 21 bottom sides and is connected with one second pivot frame 42.

This first pivot frame 41 has a fixed block 411 that fixedly installs with mobile jib 21, and fixed block 411 belows are fixed with the first pivot seat 412 of a horizontally set.This second pivot frame 42 has a pivot pipe 421 that cooperates with the first pivot seat 412, and the two interts by a hinged arm 43 and connects, and making the second pivot frame 42 can be that rotate at the center with hinged arm 43.Pivot pipe 421 belows are fixed with a polygonal pipe 422, polygonal pipe 422 both sides are respectively arranged with the lock 423 that its cross section takes the shape of the letter U, the U-shaped opening is provided with the second pivot seat, 424, the second pivot seats 424 and is used to connect resistance unit 90 towards the place ahead of mobile jib 21 in polygonal pipe 422 rear positions.

This door handle device 50 comprises that being connected with one between two linkage unit 60, two linkage units 60 that flexibly connect with lock 423 respectively grips unit 70.

Each linkage unit 60 has first pole, 61, the first poles, 61 ends that directly are connected with lock 423 and is connected with one second pole 62 rotationally by a pivot joint assembly 63.This first pole 61 is divided into first end 611 and the second end 612, and the second end 611 is fixed on the lock 423 by latch fitting 64,65.This second pole 62 has and also has first end 621 and the second end 622.This pivot joint assembly 63 has second block set 632 that first block set 631 and that is fixedly set in the second end 612 of this first pole 61 is fixedly set in the first end 621 of second pole 62, first block set 631 is connected by a vertical locking bar 633 that interts with second block set 632, and locking bar 633 upper and lowers are provided with the decorative cover 635 of hold-doun nut 634 and hiding nut 634.

This gripping unit 70 comprises the adapter 71 that is sheathed on each second pole, 62 the second end 622, be provided with between first holding rod 72 and second holding rod, 73, the first holding rods 72 and second holding rod 73 71 of two adapters and carry out dismountable connection by a winding assembly 74.

Each adapter 71 is provided with mutually perpendicular first pullover 711 and second pullover 712, the first pullover 711 and is sheathed on the second end 622.

First holding rod 72 has a sleeve pipe 721, and the less formation intubate 722 of sleeve pipe outer end diameter, intubate 722 can be inserted in second pullover 712, and sleeve pipe 721 other ends are provided with radially a perforation 723.This second holding rod 73 has one and holds a writing brush or pen-write 731, less formation second intubate 733 of holding rod 731 inner end diameters, second intubate, 733 outer periphery are provided with perforation 734, less formation first intubate 732 of holding rod 731 outer end diameters, first intubate 732 can be inserted in second pullover 712, and second plug 733 can insert in the sleeve pipe 721.

As shown in Figure 6, this winding assembly 74 has a V-shaped shell fragment 741, shell fragment 741 inserts in second intubate 733, butted on second intubate, 733 inwalls, shell fragment 741 is provided with reference column 742, and reference column 742 is in the perforation 723,734, is used for first holding rod 72 and second holding rod 73 are connected as one, after reference column 742 breaks away from 723,734 from boring a hole, then can be separately with first holding rod 72 and second holding rod 73.

As shown in Figure 9, second kind grips two adapters 81 that unit 80 has the second end 622 that is sheathed on two second poles 62 respectively, be provided with between the adapter 81 between two the 3rd holding rods 82, two the 3rd holding rod 82 by the dismountable flexible connection of winding assembly 83 realizations.

This adapter 81 is identical with aforesaid adapter 71, have be sheathed on the second end 622 first pullover 811 and be connected with the 3rd holding rod 82 second pullover 812.

The 3rd holding rod 82 has a sleeve pipe 821, the less formation intubate 822 of sleeve pipe 821 outboard end diameters, and intubate 822 is used to be interspersed in second pullover 812, is provided with radially projection 823 at the inwall of the 3rd holding rod 82 medial extremitys.

The two ends of this winding assembly 83 respectively are provided with the tube connector 831 that can insert in the sleeve pipe 821, and tube connector 831 walls are provided with an axial guide groove 832, and guide groove 832 bottoms are provided with the locating slot 833 of a circumferencial direction, and guide groove 832 and locating slot 833 are communicated with.At bigger formation one baffle ring 834 of the middle part of winding assembly 83 diameter.

During assembling, elder generation is with sleeve pipe 821 axially being sheathed on outside this tube connector 831 along winding assembly 83 of the 3rd holding rod 82, enter in the guide groove 832 with seasonal this projection 823, when this sleeve pipe 821 is run into baffle ring 834 and can't be advanced, rotating the 3rd holding rod 82 immediately enters in the locating slot 833 projection 823, then finish the fastened to each other of the 3rd holding rod 82 and winding assembly 83, another the 3rd holding rod 82 can be fixed in the other end of winding assembly 83 equally.Otherwise when needs are dismantled then.

As shown in Figure 10, the third grips unit 84 and comprises adapter 86, two the 4th holding rods 85 between two adapters 86 and the assembly 87 that is spirally connected that is connected two the 4th holding rods 85 with the second end 622 sockets of second pole 62.

This adapter 86 is identical with adapter 71,81, have be sheathed on this second end 622 first pullover 851 and be used for interting second pullover 852 of the 4th holding rod 85.

Per the 4th holding rod 85 has a sleeve pipe 851, the less formation intubate 852 of sleeve pipe 851 outboard end diameters, and this two assembly 87 that is spirally connected has and is arranged at the 4th holding rod 85 medial extremity ground double-screw bolt 871 and screws 872 respectively.

Simultaneously, this resistance unit 90 comprises at least one resistance piece 91 and the 3rd pivot frame 92.

This resistance piece 91 is an oil hydraulic cylinder in this preferred embodiment, the piston rod 912 that has a cylinder body 911 and can in cylinder body 911, stretch, and cylinder body 911 is hubbed on this second pivot seat 424 by a pivot spare 93.

The 3rd pivot frame 92 has a fixed block 921 that is fixedly set in mobile jib 21 rearward end 212 bottom sides, and fixed block 921 bottom sides are fixed with one the 3rd pivot seat, 922, the three pivot seats 922 and flexibly connect with the second pivot spare 94 of piston rod 912 by a horizontally set.

This resistance piece 91 can provide the rotation of the second pivot frame 42 under door handle device 50 effect, and then can improve the muscular training effect.

Shown in accompanying drawing 4 and accompanying drawing 11, the user can pull down or make this two holding rod 72,73 to separate first holding rod 72 and second holding rod 73, and the side of can sliding separately second pole 62 is carried out singlehanded boating.

Shown in accompanying drawing 12,13,14,15, after first holding rod 72 and second holding rod 73 are connected and fixed by winding assembly 74, then can carry out training of both hands boating or both hands arm power moving or the training of waist power.

What deserves to be explained is that above-mentioned is that combination with first holding rod 72 and second holding rod 73 describes, in fact the 3rd holding rod 82 also has identical function of use with the 4th holding rod 86.

Shown in accompanying drawing 16,17,18, this preferred embodiment more comprises the intubate 722 of two sleeve pipes, 100, the first holding rods 72 that are arranged at two wing plates, 311 outsides respectively and the intubate 732 of second holding rod 73 can be interspersed in two sleeve pipes 100.When the rearward end 212 of user towards mobile jib 21, both hands are held first holding rod 72 and second holding rod 73 on two sleeve pipes 100 simultaneously, just can promote seat unit 30 and move along mobile jib 21, and then make this rowing machine have strong abdomen motion function of use.

Shown in accompanying drawing 19 and accompanying drawing 20, this preferred embodiment more comprises first bolster 110 that is horizontally set at mobile jib 21 bottom sides and second bolster, 120, the first bolsters 110 and second bolster 120 between hinged unit 40 and fore-stock 22.

This first bolster 110 has first lock dog, 111, the first lock dogs, 111 two ends of being fixed in mobile jib 21 and is arcs of recesses towards the bottom side and is bent to form two first and holds piece 112.This second bolster 120 has second lock dog 121 that is fixed in mobile jib 21, thereby second lock dog, 121 two ends are arcs of recesses and form two second and hold piece 122, the second and hold piece 122 and hold piece 112 a little more than first along stretching.

Shown in the conjunction with figs. 21,22, after the linkage unit folding, first support 61 and second support 62 can be positioned over first respectively and hold piece 112 and second and hold in the arcs of recesses of piece 122, and then reach the purpose of folding stationary links unit.

What deserves to be explained is, describe, shown in accompanying drawing 23,24, in fact also can two second pivot framves 42 be set, and then form two resistance pieces in the first pivot frame, 41 both sides though above-mentioned legend is only drawn a resistance piece 91.

Simultaneously, can go out to be provided with one at fore-stock 22 and put box (not providing among the figure), can be for placing holding rod 72,73,82 and winding assembly 74,83, the effect that has the said modules of preventing to lose.

In addition, the gripping unit that the utility model discloses can 70,80 can be applicable to the rowing machine of other forms, so that this rowing machine has the function of one hand or both hands boating.As shown in figure 25, it is the schematic diagram that gripping unit 70 is applied to rowing machine 130, this rowing machine 130 has a main frame unit 140, one is slidedly arranged on the seat unit 150 on the mobile jib 141 of main frame unit 140, two are arranged at two 2 poles 160 on the fore-stock 142 rotationally, are provided with resistance piece 170 between pole 160 and fore-stock 142.

Because first holding rod 72 that should grip unit 70 and second holding rod 73 are connected by 74 activities of winding assembly, can interfix and detachable, make rowing machine 130 also have the function of one hand and both hands boating.

Claims (10)

1. rowing machine, comprise that a main frame unit (20), that is provided with a mobile jib (21) is slidedly arranged on the seat unit (30) of main frame unit (20), a pair ofly is arranged at the hinged unit (40) of main frame unit (20) bottom side, a pair of door handle device (50) and that is arranged on the hinged unit (40) is installed on the resistance unit (90) between hinged unit (40) and the main frame unit (20), it is characterized in that:

Described hinged unit comprises that one is fixedly set in the first pivot frame (41) of mobile jib (21) bottom side and is arranged at the second pivot frame (42) on the first pivot frame (41), flexible connection for rotating between the second pivot frame (42) and the first pivot frame (41), the central cross of its rotation is parallel to mobile jib (21); Described door handle device (50) is arranged at main frame unit (20) both sides, and every side comprises a linkage unit (60) that is connected with the second pivot frame (42), and two linkage units are provided with the gripping unit between (60);

Described seat unit (30) both sides are respectively arranged with two sleeve pipes (100), and two sleeve pipes are connected with holding rod respectively on (100).

2. rowing machine according to claim 1, it is characterized in that: described linkage unit (60) comprises that holding first pole (61) that is connected with the second pivot frame (42), laterally stretches out to mobile jib (21) side to reach by a pivot joint assembly (63) one by one is connected in second pole (62) of first pole (61) other end, can rotate relative to first pole (61) by articulating assembly (63) second poles (62).

3. rowing machine according to claim 2 is characterized in that: described gripping unit comprise the adapter (71) that is arranged at second pole (62) and connect two adapters (71) respectively and mutually between two holding rods for flexibly connecting.

4. rowing machine according to claim 3, it is characterized in that: described holding rod comprises first holding rod (72), second holding rod (73) and the winding combination (74) that connects the two, first holding rod (72) has a sleeve pipe (721), and less formation one intubate of sleeve pipe (721) outboard end diameter (722), inner side outer wall radially are provided with perforation (723); Described second holding rod (73) has one hold a writing brush or pen-write (731), (731) less formation second intubate of inner side diameter (733) hold a writing brush or pen-write, second intubate (733) outer wall radially is provided with perforation (734), in second holding rod (73) less formation first intubate of outboard end diameter (732); Described winding combination (74) comprises a V-shaped shell fragment (741), and shell fragment (741) is placed in second intubate (733), and shell fragment (741) openend arranged outside has a reference column (742) that is interspersed in perforation (723) and the perforation (734).

5. rowing machine according to claim 3, it is characterized in that: described holding rod comprises two the 3rd holding rods (82) and the winding combination (83) that is connected two the 3rd holding rods (82), the 3rd holding rod (82) comprises a sleeve pipe (821), the less formation intubate of sleeve pipe (821) outboard end diameter (822), medial extremity inwall radially are provided with a projection (823); This winding assembly (83) is used for inserting the tube connector (831) of sleeve pipe (821) for two ends have, have vertically guide groove (832) and locating slot (833) along the circumferential direction, guide groove (832) and locating slot (833) connection on the tube connector (831).

6. rowing machine according to claim 3, it is characterized in that: described holding rod comprises two the 4th holding rods (85), the less formation intubate of the outer end diameter of two the 4th holding rods (85) (852), one the 4th inner diameter of holding rod (85) less formation winding assembly (87) wherein, winding assembly (87) is provided with screw thread and forms double-screw bolt (871), and the inner inwall of another the 4th holding rod (85) is provided with the screw (872) that cooperates with double-screw bolt (871).

7. according to each described rowing machine of claim 4～6, it is characterized in that: also be provided with first bolster (110) in mobile jib (21) bottom side, first bolster (110) middle part is for being directly fixed on first lock dog (111) of mobile jib (21) bottom side, and two ends are first of arcs of recesses and hold piece (112) for being used to place first pole (61); Also be provided with second bolster (120) in mobile jib (21) bottom side, second bolster (120) middle part is for being directly fixed on second lock dog (121) of mobile jib (21) bottom side, and two ends are second of arcs of recesses and are piece (122) for being used to place second pole (62).

8. rowing machine according to claim 1, it is characterized in that: described resistance unit (90) comprises that the resistance piece (91) and that is arranged between the second pivot frame and mobile jib (21) rearward end is fixed in the 3rd pivot frame (92) of mobile jib (21) rearward end bottom side, above-mentioned resistance piece (91) is an oil hydraulic cylinder, and this oil hydraulic cylinder has one and is fixed on the cylinder body (911) on the second pivot frame (92) and stretches out the piston rod (912) that is connected in the 3rd pivot frame (92) from cylinder body (911); Described main frame unit (20) also comprises fore-stock (22), the after-poppet (23) that is arranged at mobile jib (21) leading section, rearward end respectively; Described seat unit (30) comprises the slide (31) that is arranged at that mobile jib (21) is gone up and can moves along mobile jib (21) and is fixed in seat cushion (32) on the slide (31) that two sleeve pipes (100) are individually fixed on the wing plate (311) of slide (31) both sides.

9. rowing machine, comprise a main frame unit (140), two fore-stocks (142) that main frame unit (140) comprises a mobile jib (141) and is fixedly set in mobile jib (141) leading section both sides, be slidingly equipped with a seat unit (150) on the mobile jib (141), each fore-stock (142) is provided with rotating pole (160), between each fore-stock (142) and corresponding pole (141), also be provided with a resistance piece (170), it is characterized in that: on an end of each pole (160), be arranged with an adapter (71), between two adapters (71), be provided with adapter (71) and be connected, and two holding rods that flexibly connect by a winding assembly (74).

10. rowing machine according to claim 9, it is characterized in that: described holding rod comprises first holding rod (72) and second holding rod (73), first holding rod (72) has a sleeve pipe (721), and less formation one intubate of sleeve pipe (721) outboard end diameter (722), inner side outer wall radially are provided with perforation (723); Described second holding rod (73) has one hold a writing brush or pen-write (731), (731) less formation second intubate of inner side diameter (733) hold a writing brush or pen-write, second intubate (733) outer wall radially is provided with perforation (734), in second holding rod (73) less formation first intubate of outboard end diameter (732); Described winding combination (74) comprises a V-shaped shell fragment (741), and shell fragment (741) is placed in second intubate (733), and shell fragment (741) openend arranged outside has a reference column (742) that is interspersed in perforation (723) and the perforation (734).

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