CN112973004B

CN112973004B - Rowing machine convenient to dismantle equipment

Info

Publication number: CN112973004B
Application number: CN202110289215.XA
Authority: CN
Inventors: 黄森
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-18
Filing date: 2021-03-18
Publication date: 2021-12-07
Anticipated expiration: 2041-03-18
Also published as: CN112973004A

Abstract

The invention relates to the technical field of rowing machines, in particular to a rowing machine convenient to disassemble and assemble, which comprises a pedal mechanism, a slide rail mechanism, a resistance part and a cushion movably connected with the slide rail mechanism, wherein the pedal mechanism comprises a pedal mounting plate and pedal units respectively mounted on two sides of the pedal mounting plate; the slide rail mechanism is connected with the pedal mounting plate in a buckling manner, and the resistance part is detachably connected with one end of the pedal mounting plate far away from the slide rail mechanism; the resistance part is an elastic resistance part. The rowing machine is divided into four parts, the parts can be assembled into the rowing machine with complete functions without fasteners, and the rowing machine does not need additional tools for assembly and disassembly, so that the convenience of assembly and disassembly is improved. And the storage of the thin and small fasteners is not required to be considered, so that the storage of all parts is more convenient, and the problem of part loss is avoided.

Description

Rowing machine convenient to dismantle equipment

Technical Field

The invention relates to the technical field of rowing machines, in particular to a rowing machine convenient to disassemble and assemble.

Background

The rowing machine is also called rowing machine, and is a machine for simulating the movement of water racing boat for training purpose. The rowing machine has good effect on strengthening muscles of legs, waists, upper limbs, chests and backs. Every stroke, the upper limbs, the lower limbs, the waist, the abdomen and the back can complete one-time complete contraction and extension in the process, and the aerobic exercise effect of whole body muscles can be achieved. With the living standard and health consciousness of people, more and more families purchase rowing machines belonging to the families.

Chinese patent documents with the bulletin number of 'CN 207822385U' and the bulletin date of 2018, 9, 7 disclose a rowing machine with an easily assembled and folded fan, which take wind resistance as a resistance unit, comprise a first support and a second support which are detachably connected, and a resistance unit, a pedal unit and a display unit which are arranged on the first support, wherein the first support and the second support are connected through a fastener, and the resistance unit, the pedal unit and the display unit are also connected with the first support through fasteners. When the rowing machine is not used, the fastening piece is disassembled, the rowing machine is divided into a plurality of parts to be stored, and the placing space is saved.

However, in the above technical solutions, the components are connected by fasteners, and tools are needed during disassembly and assembly, which results in inconvenience in disassembly and assembly. And the fasteners are all tiny parts, are easy to be detached and lost, and cause inconvenient storage. The integral assembly has more parts, so that the transportation and the transfer are difficult, and the portable outdoor air conditioner is inconvenient to carry to use outdoors.

Disclosure of Invention

The invention aims to overcome at least one defect in the prior art, and provides a rowing machine which is convenient to disassemble and assemble, can be assembled without fasteners, and improves the convenience of disassembly and assembly.

In order to solve the technical problems, the invention adopts the technical scheme that:

the utility model provides a rowing machine convenient to disassemble and assemble, which comprises a pedal mechanism, a slide rail mechanism, a resistance part and a cushion movably connected with the slide rail mechanism, wherein the pedal mechanism comprises a pedal mounting plate and pedal units respectively arranged at two sides of the pedal mounting plate; the slide rail mechanism is connected with the pedal mounting plate in a buckling mode, and the resistance part is detachably connected with one end, far away from the slide rail mechanism, of the pedal mounting plate; the resistance part is an elastic resistance part.

In foretell technical scheme, when needing to use the rowing machine, install slide rail mechanism and resistance portion at pedal mechanism's both ends, the cushion is installed on slide rail mechanism, and the user sits on the cushion, and pedal unit is stepped on to the foot, and both hands pulling resistance portion can be taken exercise. Wherein the mode that slide rail mechanism passes through the buckle to be connected is connected with the pedal mounting panel, no matter dismantle or the equipment all need not the participation of fastener, only need directly with both amalgamations with unpack apart can, improve the convenience of dismantling and assembling. In addition, the resistance part is an elastic resistance part, can be an elastic band, an elastic rope or a spring exerciser and is connected with the pedal mechanism in a binding knotting, buckling connection or clamping connection or other detachable connection mode, so that the assembly of the pedal mechanism and the pedal mechanism is facilitated, the resistance part is small in size and easy to store, and the pedal mechanism can be used independently.

Preferably, the slide rail mechanism comprises a slide rail mounting plate and a plurality of slide rails arranged on the slide rail mounting plate, and the slide rails are slidably connected with the seat cushion; the two sides of the slide rail mounting plate are provided with clamping claw parts, and the pedal mounting plate comprises clamping parts correspondingly matched with the clamping claw parts. The number of the slide rail strips can be adjusted according to different models, if the slide rail strips are common single-rail type, only one slide rail strip needs to be arranged, two slide rail strips are arranged in the double-rail type, and a plurality of slide rail strips can be arranged for increasing the stability. More preferably, the claw part is a hook rotatably connected to the slide rail mounting plate, and the engaging part is a catch provided on the pedal mounting plate. When the clamping claw part is arranged on the clamping part, the sliding rail mounting plate and the pedal mounting plate are spliced together, then the hanging buckle is rotated, and the hanging buckle is clamped with the clamping column of the pedal mounting plate to realize the fixed connection of the sliding rail mounting plate and the pedal mounting plate. When the hook and the clamping column need to be detached, the hook only needs to be rotated to be separated from the clamping column. Because the rowing machine moves along a straight line, the acting force of a person acts on the pedal mounting plate, and the elastic force of the resistance part pulls the pedal mounting plate and the slide rail mounting plate close at the same time, because the pedal mounting plate and the slide rail mounting plate are in a stable connection state. And because the hook can not rotate and is separated from the clamping column, the hook and the clamping column are connected more stably.

Preferably, the slide rail mounting plate is provided with a slide rail bar, and the pedal mounting plate is provided with at least two clamping grooves which are arranged at equal intervals; the clamping groove and the two sides of the pedal mounting plate are provided with the clamping parts. In order to reduce the number of parts, the rowing machine may be assembled in a single rail type, a double rail type, or a triple rail type as needed. When the rowing machine is assembled in a single-rail type, the claw parts of the slide rail mounting plates are arranged in the clamping parts on the two clamping grooves; if the double-rail type bicycle is adopted, the two slide rail mounting plates are arranged on two sides of the pedal mounting plate, the clamping claw parts of the slide rail mounting plates are respectively connected with the clamping parts on two sides of the pedal mounting plate and the clamping parts in the clamping grooves, and the three-rail type bicycle is a combination of a single-rail type bicycle and a double-rail type bicycle. The volume of single slide rail mounting panel and slide rail strip is less, if need carry to outdoor use, can only carry a slide rail mechanism, reduces the quantity of spare part, conveniently carries more, makes the user carry out different equipment according to actual need.

Preferably, three groups of rollers which are arranged along a straight line are arranged on the seat cushion, and clamping grooves which can be in rolling connection with the rollers are arranged on the slide rail bar. The slide rail structure can set up as required, has one to three skid rails strip, and three group's gyro wheels on the cushion can cooperate with the skid rails strip of difference respectively, and the rowing machine no matter be the equipment for monorail type, double track formula or three rail types, the cushion can both cooperate through the draw-in groove on gyro wheel and the slide rail strip to realize roll connection.

Preferably, the footrest unit includes a first support plate and a second support plate; one end of the first supporting plate is hinged with the second supporting plate, and the other end of the first supporting plate is hinged with the pedal mounting plate; the one end that the second backup pad was kept away from first backup pad is provided with spacing portion, pedal mounting panel be provided with spacing portion complex spacing groove. The first support plate is used for putting force on the feet of the user, and a pad plate for placing the feet of the user can be arranged on the side surface of the first support plate. When the support is used, the limiting part of the second support plate is clamped with the limiting groove, and the first support plate and the second support plate are inverted V-shaped. When the pedal structure is not used, the limiting part is separated from the limiting groove, the first supporting plate rotates towards the direction of the pedal mounting plate, the second supporting plate rotates towards the direction of the first supporting plate, the first supporting plate and the second supporting plate are in a straight line, the pedal unit is completely attached to the pedal mounting plate, the height of the pedal unit is reduced, and the whole pedal structure is convenient to store and easy to carry.

Preferably, the limiting grooves are arranged in a plurality and are linearly arranged along the pedal mounting plate. Spacing portion can block on the spacing groove of difference to adjust the inclination of first backup pad, the user can be according to the condition of self, adjusts first backup pad to suitable own inclination, makes the exercise effect better.

Preferably, the resistance part is a spring exerciser; the pedal unit is provided with a clamping groove connected with the resistance part. The existing chest developer is generally provided with handles at two ends, and an elastic part for connecting the handles is arranged in the middle, and the chest developer can be divided into a hand-pulling type chest developer and a pedal type chest developer. The installation of the resistance part can be realized in the clamping groove of the handle installation pedal unit of the chest expander, and the rapid assembly and disassembly of the resistance part and the pedal mechanism are realized. Since the user steps on the pedal unit during exercise, the user's strength keeps the pedal unit stable in position, and pulling the chest developer does not cause the pedal unit to move. The chest expander is current product, its simple structure to can the exclusive use, make rowing machine after each spare part at the dismouting, the chest expander also can be alone as taking exercise product use, is unlikely to waste storage space.

Preferably, the clamping groove is arranged on one side of the second supporting plate, which is far away from the slide rail mechanism; the joint groove is U type groove, and the opening orientation pedal mounting panel. The handle of chest expander is packed into the joint inslot from the opening in U type groove, because the direction of pulling chest expander is kept away from U type groove open-ended one side, consequently U type groove can realize fixing the chest expander.

Preferably, the footrest mechanism further includes a connecting portion for connecting the two footrest units. The first supporting plate is close to one end of the second supporting plate is provided with a connecting groove used for being connected with the connecting portion in a clamping mode. Through inserting connecting portion in the spread groove, realized two pedal unit's connection, increased two pedal unit's stability. Meanwhile, after the connecting part is installed, the elastic part in the middle of the chest expander can be located above the connecting part at the top end of the second supporting plate in the initial state of the rowing machine, when the chest expander is pulled, the elastic part of the chest expander can be always located above the connecting part and cannot fall into the middle position of the pedal unit, the tension direction of the chest expander can be parallel and level to the movement direction of the arm, and the exercise effect of the rowing machine is kept.

Compared with the background technology, the rowing machine convenient to disassemble and assemble has the beneficial effects that: the rowing machine is divided into four parts, the parts can be assembled into the rowing machine with complete functions without fasteners, and the rowing machine does not need additional tools for assembly and disassembly, so that the convenience of assembly and disassembly is improved. And the storage of the thin and small fasteners is not required to be considered, so that the storage of all parts is more convenient, and the problem of part loss is avoided.

Drawings

FIG. 1 is a schematic structural view of a rowing machine of the present invention, which is easy to disassemble and assemble;

FIG. 2 is a schematic structural view of a three-rail rowing machine assembled by a slide rail structure and a pedal mounting plate according to the present invention;

FIG. 3 is a schematic structural view of the double-track rowing machine assembled by the slide rail structure and the pedal mounting plate according to the present invention;

FIG. 4 is a schematic structural view of the slide rail structure and the pedal mounting plate of the present invention assembled into a single-rail rowing machine;

FIG. 5 is a schematic view of the cushion of the present invention;

FIG. 6 is a side view of the footrest mechanism of the present invention;

FIG. 7 is a side view of another embodiment of the footrest mechanism of the present invention.

Detailed Description

Example 1

Fig. 1 shows an embodiment of a rowing machine which is easy to disassemble and assemble, comprising a pedal mechanism 1, a slide rail mechanism 2, a resistance part 3 and a seat cushion 4 movably connected with the slide rail mechanism 2, wherein the pedal mechanism 1 comprises a pedal mounting plate 101 and pedal units 102 respectively mounted at two sides of the pedal mounting plate 101; the slide rail mechanism 2 is connected with the pedal mounting plate 101 in a buckling manner, and the resistance part 3 is detachably connected with one end of the pedal mounting plate 101, which is far away from the slide rail mechanism 2; the resistance portion 3 is an elastic resistance portion.

In this example, the resistance 3 may be a bungee cord.

The working principle of the embodiment is as follows: when the rowing machine needs to be used, the slide rail mechanisms 2 and the resistance parts 3 are installed at two ends of the pedal mechanism 1, the cushion 4 is installed on the slide rail mechanisms 2, a user sits on the cushion 4, the pedal unit 102 is stepped on by feet, and the resistance parts 3 are pulled by two hands to exercise. Wherein slide rail mechanism 2 is connected with pedal mounting panel 101 through the mode of buckle connection, and no matter be the dismantlement or the equipment all need not the participation of fastener, only need directly with both amalgamation with unpack apart can, improve the convenience of dismantling and assembling. The elastic rope is connected with the pedal mechanism 1 in a binding knotting mode, a buckling connection mode or a clamping connection mode and the like, so that the elastic rope and the pedal mechanism are convenient to assemble, the resistance part 3 is small in size, easy to store and capable of being used independently.

The beneficial effects of this embodiment: the rowing machine is divided into four parts, the parts can be assembled into the rowing machine with complete functions without fasteners, and the rowing machine does not need additional tools for assembly and disassembly, so that the convenience of assembly and disassembly is improved. And the storage of the thin and small fasteners is not required to be considered, so that the storage of all parts is more convenient, and the problem of part loss is avoided.

Example 2

Fig. 1 shows a rowing machine embodiment 2 which is easy to disassemble and assemble, and is different from embodiment 1 in that a slide rail mechanism 2 and a pedal mechanism 1 are further defined.

Specifically, the slide rail mechanism 2 includes a slide rail mounting plate 201 and two slide rail bars 202 arranged on the slide rail mounting plate 201, and the slide rail bars 202 are slidably connected with the seat cushion 4; the slide rail mounting plate 201 is provided with clamping claw portions 2011 on two sides, and the pedal mounting plate 101 is provided with clamping portions 1011 matched with the clamping claw portions 2011 on two sides. The claw 2011 is a hook rotatably connected with the slide rail mounting plate 201, and the engaging portion 1011 is a clamping column arranged on two sides of the pedal mounting plate 101. When the clamping claw part 2011 is arranged on the clamping part 1011, the sliding rail mounting plate 201 and the pedal mounting plate 101 are spliced together, then the hanging buckle is rotated, and the hanging buckle is clamped with the clamping column of the pedal mounting plate 101, so that the fixed connection between the sliding rail mounting plate 201 and the pedal mounting plate 101 is realized. When the hook and the clamping column need to be detached, the hook only needs to be rotated to be separated from the clamping column. Because the motion direction of the rowing machine is along the linear motion, the hook cannot be separated from the clamping column during the motion, and the connection stability of the hook and the clamping column is ensured.

In this embodiment, the two sides of the slide rail mounting plate 201 are provided with an open slot 2012, and the claw 2011 is disposed in the open slot 2012. Receive the restriction of open slot 2012 bottom, the jack catch portion 2011 can upwards rotate in open slot 2012, and can not rotate downwards for jack catch portion 2011 can stably accomodate in open slot 2012, neither influence the use of jack catch portion 2011, also plays the effect of protection jack catch portion 2011.

Example 3

Fig. 2 to 5 show an embodiment 3 of the rowing machine which is easy to disassemble and assemble, and is different from embodiment 1 in that the slide rail mechanism 2 and the footrest mechanism 1 are further defined.

Specifically, the slide rail mechanism 2 includes a slide rail mounting plate 201 and a slide rail bar 202 arranged on the slide rail mounting plate 201, and the slide rail bar 202 is slidably connected with the seat cushion 4; the slide rail mounting plate 201 is provided with clamping claw portions 2011 on two sides, and the pedal mounting plate 101 is provided with clamping portions 1011 matched with the clamping claw portions 2011 on two sides. The clamping claw part 2011 is a hanging buckle rotationally connected with the slide rail mounting plate 201.

In this embodiment, three sets of slide rail mechanisms 2 are provided, the pedal mounting plate 101 is provided with two equidistant slots 1012 and is located on two sides of the center line of the pedal mounting plate 101, the slots 1012 and the two sides of the pedal mounting plate 101 are both provided with a fastening portion 1011, and the fastening portion 1011 may be a fastening column penetrating through the slots 1012 and the pedal mounting plate 101, or may be fastening columns respectively installed at the above positions. When the clamping claw part 2011 is arranged on the clamping part 1011, the sliding rail mounting plate 201 and the pedal mounting plate 101 are spliced together, then the hanging buckle is rotated, and the hanging buckle is clamped with the clamping column of the pedal mounting plate 101, so that the fixed connection between the sliding rail mounting plate 201 and the pedal mounting plate 101 is realized. When the hook and the clamping column need to be detached, the hook only needs to be rotated to be separated from the clamping column. Because the motion direction of the rowing machine is along the linear motion, the hook cannot be separated from the clamping column during the motion, and the connection stability of the hook and the clamping column is ensured.

In order to reduce the number of parts, the rowing machine may be assembled in a single rail type, a double rail type, or a triple rail type as needed. When the rowing machine is assembled in a single-rail type, the clamping claw parts 2011 of the slide rail mounting plate 201 are arranged in the clamping parts 1011 on the two clamping grooves 1012; if the two-rail type is adopted, the two slide rail mounting plates 201 are mounted on two sides of the pedal mounting plate 101, the clamping claw portions 2011 of the slide rail mounting plates 201 are respectively connected with the clamping portions 1011 positioned on two sides of the pedal mounting plate 101 and the clamping portions positioned in the clamping grooves 1012, and the three-rail type is a combination of a single-rail type and a two-rail type. The volume of single slide rail mounting panel 201 and slide rail strip 202 is less, if need carry to outdoor use, can only carry a slide rail mechanism 2, reduces the quantity of spare part, conveniently carries more, makes the user can carry out different equipment according to actual need.

In addition, three groups of rollers 401 arranged along a straight line are arranged on the seat cushion 4, and a clamping groove capable of being in rolling connection with the rollers 401 is arranged on the slide rail bar 202. The slide rail mechanism 2 can be provided with one to three slide rail strips 202 as required, and three groups of rollers 401 on the cushion 4 can be respectively matched with different slide rail strips 202, and no matter the rowing machine is assembled into a single rail type, a double rail type or a three rail type, the cushion 4 can be matched with the clamping grooves on the slide rail strips 202 through the rollers 401, and rolling connection is realized.

Example 4

A rowing machine of embodiment 4 which is easy to disassemble and assemble is different from the embodiments 1 to 3 in that the footrest mechanism 1 and the resistance part 3 are further defined as shown in fig. 6.

Specifically, the pedal unit 102 includes a first support plate 1021 and a second support plate 1022; one end of the first supporting plate 1021 is hinged with the second supporting plate 1022, and the other end is hinged with the pedal mounting plate 101; one end of the second support plate 1022 far from the first support plate 1021 is provided with a limiting part 1023, and the pedal mounting plate 101 is provided with a limiting groove 1013 matched with the limiting part 1023. The first support plate 1021 is for putting force on the user's foot, and a pad for the user to place the foot may be provided on a side of the first support plate 1021. When in use, the limiting part 1023 of the second supporting plate 1022 is engaged with the limiting groove 1013, and the first supporting plate 1021 and the second supporting plate 1022 are in an inverted V shape. When the pedal structure is not used, the limiting part 1023 is separated from the limiting groove 1013, the first supporting plate 1021 rotates towards the pedal mounting plate 101, the second supporting plate 1022 rotates towards the first supporting plate 1021, the first supporting plate 1021 and the second supporting plate are in a straight line, the pedal unit 102 is completely attached to the pedal mounting plate 101, the height of the pedal unit 102 is reduced, and the whole pedal structure is more convenient to store and more easy to carry.

Three limiting grooves 1013 are provided and are linearly arranged along the pedal mounting plate 101. Spacing portion 1023 can the block on spacing groove 1013 of difference to adjust the inclination of first backup pad 1021, the user can be according to the condition of self, adjusts the inclination that first backup pad 1021 is suitable oneself, and the order is tempered the effect and is better.

Specifically, the resistance part 3 is a chest expander; the pedal unit 102 is provided with a locking groove 1024 connected to the resistance portion 3. The chest developer is a pedal chest developer. The resistance part 3 can be installed by installing the handle of the chest expander in the clamping groove 1024 of the pedal unit 102, so that the resistance part 3 and the pedal mechanism 1 can be quickly assembled and disassembled. Since the user steps on the stepping unit 102 while exercising, the force of the user keeps the stepping unit 102 stable in position, and pulling the chest developer does not cause the stepping unit 102 to move. The chest expander is current product, its simple structure to can the exclusive use, make rowing machine after each spare part at the dismouting, the chest expander also can be alone as taking exercise product use, is unlikely to waste storage space.

In this embodiment, the clamping groove 1024 is disposed on a side of the second supporting plate 1022 far away from the slide rail mechanism 2; the clamping groove 1024 is a U-shaped groove, and the opening faces the pedal mounting plate 101. In the joint groove 1024 was packed into from the opening in U type groove to the handle of chest expander, because the direction of pulling chest expander is kept away from U type groove open-ended one side, consequently U type groove can realize fixing the chest expander.

Example 5

A rowing machine of the embodiment 5 which is easy to disassemble and assemble is different from the embodiment 4 in that the footrest mechanism 1 is further defined as shown in FIG. 7.

The footrest mechanism 1 further includes a connecting portion 103 for connecting the two footrest units 102. One end of the first support plate 1021 near the second support plate 1022 is provided with a connection groove 104 for clamping with the connection part 103. By inserting the connecting portion 103 into the connecting groove 104, the connection of the two pedal units 102 is achieved, and the stability of the two pedal units 102 is increased. Meanwhile, after the connecting part 103 is installed, the elastic part in the middle of the chest expander is located at the top end of the second supporting plate 1022, and in the initial state of the rowing machine, the elastic part in the middle of the chest expander can be located above the connecting part 103, and when the chest expander is pulled, the elastic part of the chest expander can be always located above the connecting part 103 and cannot fall into the middle of the pedal unit 102, so that the tension direction of the chest expander can be flush with the movement direction of the arms, and the exercise effect of the rowing machine is kept. In the present embodiment, the connecting portion 103 and the connecting groove 104 are both T-shaped in cross section.

In the detailed description of the embodiments, various technical features may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A rowing machine convenient to disassemble and assemble comprises a pedal mechanism (1), a slide rail mechanism (2), a resistance part (3) and a cushion (4) movably connected with the slide rail mechanism (2), and is characterized in that the pedal mechanism (1) comprises a pedal mounting plate (101) and pedal units (102) respectively mounted on two sides of the pedal mounting plate (101); the slide rail mechanism (2) is connected with the pedal mounting plate (101) in a buckling mode, and the resistance part (3) is detachably connected with one end, far away from the slide rail mechanism (2), of the pedal mounting plate (101); the resistance part (3) is an elastic resistance part; the slide rail mechanism (2) comprises a slide rail mounting plate (201) and a plurality of slide rail bars (202) arranged on the slide rail mounting plate (201), and the slide rail bars (202) are connected with the seat cushion (4) in a sliding manner; the both sides of slide rail mounting panel (201) are provided with jack catch portion (2011), pedal mounting panel (101) include with jack catch portion (2011) correspond complex block portion (1011).

2. The rowing machine convenient to disassemble and assemble according to claim 1, wherein the claw portion (2011) is a hanging buckle rotatably connected with the sliding rail mounting plate (201), and the engaging portion (1011) is a clamping column arranged on the pedal mounting plate (101).

3. The rowing machine facilitating disassembly and assembly according to claim 2, wherein the rail mounting plate (201) is provided with a rail bar (202), and the pedal mounting plate (101) is provided with at least two clamping grooves (1012) arranged at equal intervals; the clamping grooves (1012) and the two sides of the pedal mounting plate (101) are provided with the clamping parts (1011).

4. The rowing machine convenient to disassemble and assemble according to claim 3, wherein three sets of rollers (401) are arranged on the seat cushion (4) in a straight line, and the slide rail bar (202) is provided with a clamping groove capable of being in rolling connection with the rollers (401).

5. The rowing machine facilitating disassembly and assembly according to any one of claims 1 to 4, wherein the footrest unit (102) includes a first support plate (1021) and a second support plate (1022); one end of the first supporting plate (1021) is hinged with the second supporting plate (1022), and the other end of the first supporting plate is hinged with the pedal mounting plate (101); one end, far away from first backup pad (1021), of second backup pad (1022) is provided with spacing portion (1023), pedal mounting panel (101) be provided with spacing portion (1023) complex spacing groove (1013).

6. The rowing machine facilitating disassembly and assembly according to claim 5, wherein the stopper groove (1013) is provided in plurality in a line along the footrest mounting plate (101).

7. Rowing machine facilitating the disassembly and assembly according to claim 5, characterized in that the resistance (3) is a chest expander; the pedal unit (102) is provided with a clamping groove (1024) connected with the resistance part (3).

8. The rowing machine facilitating disassembly and assembly according to claim 7, wherein the catching groove (1024) is provided on a side of the second support plate (1022) away from the slide rail mechanism (2); the clamping groove (1024) is a U-shaped groove, and the opening faces the pedal mounting plate (101).

9. Rowing machine facilitating the disassembly and assembly according to claim 7, characterized in that the footrest mechanism (1) further comprises a connection (103) for connecting two footrest units (102); one end, close to the second supporting plate (1022), of the first supporting plate (1021) is provided with a connecting groove (104) used for being connected with the connecting portion (103) in a clamping mode.