CN113546368B - A fitness device that can switch multiple fitness modes - Google Patents

Abstract

The present application provides a fitness device capable of switching multiple fitness modes, including a mounting frame and a steel wire. The two front uprights on the front side of the mounting frame are provided with first sliding sleeves, and the mounting frame is provided with adjustable sliding sleeves. For a barbell unit that slides up and down, both sides of the mounting frame are provided with weight-adjustable weight units; after the two ends of the steel wire pass around the top of the weight unit, they pass through several first wires installed on the mounting frame. The wheels are respectively connected to the front and rear side walls of the first sliding sleeve after being guided; the side walls of the first sliding sleeve are installed with a drive for limiting the position of the first sliding sleeve on the front column and optionally driving The limit switching unit connecting the barbell unit and the first sliding sleeve; the device of the present application can meet the needs of various training modes, and the weights of the weight plates at both ends of the barbell do not need to be frequently replaced during the use of the barbell, and the training continuity is good At the same time, quantitative training and non-quantitative training can be realized in the training process, and the training effect is good.

Description

A fitness device that can switch multiple fitness modes

technical field

The invention relates to the field of fitness, in particular to a fitness device capable of switching multiple fitness modes.

Background technique

The Smith rack is a common fitness equipment in the gym. The barbell sliding trajectory of the Smith rack is limited, so trainers can use heavy weights with confidence, and it is not only limited to squat training, but can also be used for bench press, prone rowing, Biceps curls, heel raises and other fitness training.

Existing Smith racks require fitness personnel to replace the weight of the weight plate during squatting, bench press and other fitness processes to meet the needs of their own training. , it is easy to cause harm to fitness personnel, and frequent replacement is not conducive to the continuity of fitness. At the same time, using the Smith frame for fitness requires fitness personnel to calculate the number of fitness movements by themselves, which is not conducive to the quantitative training of fitness personnel.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a fitness device that can switch multiple fitness modes, which can be applied to various fitness modes.

The purpose of the present invention is achieved through such a technical solution, which includes an installation frame and a steel wire, a first sliding sleeve is provided on the sliding sleeves on the two front uprights on the front side of the installation frame, and a movable sleeve is arranged on the installation frame. A barbell unit that slides up and down, and both sides of the mounting frame are provided with weight units with adjustable weights;

After the two ends of the steel wire pass around the top of the counterweight unit, they are guided by a plurality of first wire wheels installed on the mounting frame and then connected to the front and rear side walls of the first sliding sleeve respectively;

A limit switching unit for limiting the position of the first sliding sleeve on the front column and optionally driving the barbell unit to connect with the first sliding sleeve is installed on the side wall of the first sliding sleeve.

Further, a U-shaped mounting plate is mounted on the front side of the first sliding sleeve, and two second wire wheels are mounted on the inner side of the U-shaped mounting plate;

One end of the steel wire passes through the two second wire wheels and is fixed on the first limit block, on which a hanging ring for installing various fitness equipment is installed, and the other end of the steel wire is fixed on the first limit block. It is fixed on the rear side wall of the first sliding sleeve.

Further, the counterweight unit includes a first slide bar, a counterweight block, a counterweight limit plate, a first slide hole, a limit column, a first limit hole, a second limit hole, a limit column through hole, The first limit pin and the third wire wheel;

The two ends of the first sliding rod are respectively installed between the upper and lower beams on the same side of the mounting frame, and a number of counterweight blocks and counterweight limit plates with the same thickness are stacked in sequence and placed on the lower beam of the mounting frame. On the upper part, the counterweight limit plate is located on a plurality of counterweight blocks, a first sliding hole is opened on each of the counterweight blocks and the counterweight limit plate, and the first sliding hole is slidably matched with the first sliding rod;

A limit post is installed on the lower surface of the counterweight limit plate, and a number of first limit holes are opened at equal intervals on the limit post, and the distance between the several first limit holes is the same as that of the counterweight block. The thicknesses are the same, a number of counterweight blocks are provided with limiting column via holes, and the side walls of some counterweight blocks are provided with a second limiting hole, and a number of second limiting holes are in one-to-one correspondence with a number of first limiting holes, The first limit pin can be selectively inserted into any one group of corresponding first limit holes and second limit holes;

A rotatable third wire wheel is installed on the upper surface of the counterweight limit plate, and two ends of the steel wire respectively bypass the third wire wheel.

Further, the barbell unit includes a second sliding bar, a second sliding sleeve, a first mounting block, a barbell bar, a barbell bar through hole, a counterweight plate, a first chute, a second limit block, a first spring, a first A limit boss, a third limit hole;

Both ends of the second sliding rod are respectively installed between the upper and lower beams on the same side of the mounting frame, the second sliding sleeve is slidably sleeved on the second sliding rod, and the first mounting block One end of the rod is fixed on the side wall of the second sliding rod, the first mounting block is provided with a barbell rod through hole, and the axis of the barbell rod through hole is perpendicular to the axis of the second sliding sleeve, so The two ends of the barbell bar respectively pass through the barbell bar on both sides through the holes, and a counterweight plate is installed;

The other end of the first installation block is provided with a first chute running through the other side wall, the second limit block is slidably arranged in the first chute, and the second limit block is close to the The side wall of one end of the second sliding rod and the side wall of the first chute are connected by a first spring, and the expansion and contraction direction of the first spring is the same as the sliding direction of the second limit block;

The rear side wall of the first sliding sleeve is provided with a third limit hole that cooperates with the second limit block, and the side wall of the second limit block close to one end of the second sliding rod is also installed with a limiter. The position switching unit cooperates with the first blade inserting the other end of the second limit block into the third limit hole;

A first limiting boss is also installed on the bottom of the first chute close to one end of the second sliding rod.

Further, it also includes a barbell limiter assembly that limits the barbell unit when it is not in use, the barbell limiter assembly includes hooks fixed on both ends of the barbell rod, and a hook mounted on the same side of the mounting frame, The vertical beams between the lower beams are provided with a plurality of second limiting bosses that are equidistantly spaced on the vertical beams and cooperate with the hooks to limit the position of the barbell bar.

Further, the limit switching unit includes a fourth limit hole, a stepped hole, a circular ring plate, a second limit pin, a first handle, a second spring, an L-shaped mounting plate, a second blade, and a third limit block ;

The front column is provided with a plurality of fourth limit holes at equal intervals, the side wall of the first sliding sleeve is provided with step holes, and a circular ring plate is rotated in the upper step of the step hole. One end of the second limit pin perforates the annular plate and the stepped hole and then can be selectively inserted into any fourth limit hole;

A first handle is fixedly connected to the other end of the second limit pin, and a second spring is also sleeved on the second limit pin between the first handle and the annular plate, and the two ends of the second spring are respectively Fixed on the ring plate and the first handle;

The side wall of the first handle is also fixed with one end of the L-shaped mounting plate, and the other end of the L-shaped mounting plate is also mounted with the other end that cooperates with the first insert and is used to drive the second limit block. Insert the second blade into the third limit hole;

A plurality of third limit blocks for limiting the position of the annular plate are also installed on the side wall of the first sliding sleeve.

Further, it also includes a counting and limiting unit for counting and limiting the number of fitness movements, and the counting and limiting unit includes a mounting box, a first rotating shaft, a second rotating shaft, a first external spline, a synchronizer, a first Gear, annular boss, second external spline, second handle, marking scale, quantity mark, annular groove, snap ring plate, limit groove, fourth limit block, fifth limit block, first ratchet, first Second gear, rotating plate, third spring;

An installation box is installed on the two rear uprights on the rear side of the installation frame, and the side of the installation box close to the counterweight unit is provided with an opening;

A first rotating shaft and a second rotating shaft that are parallel to each other are installed in the installation box, the first rotating shaft is provided with a first external spline, and the synchronizer is slidably clamped on the first external spline. , the first gear is rotatably mounted on the first shaft through a bearing, an annular boss is provided on one side of the first gear, and the annular boss is provided with a selectable snap connection with the synchronizer the second external spline;

One end of the first rotating shaft protrudes out of the side wall of the installation box and a second handle is installed, the second handle is provided with a marking scale, and the outer wall of the installation box is provided with a marking scale matching with the marking scale. quantity mark;

The outer wall of the synchronizer is also provided with an annular groove, and one end of the snap ring plate is rotated and clamped in the annular groove; the other end of the snap ring plate can be optionally clamped on the top of the installation box. multiple limit slots;

A fourth limit block is also provided on the outer wall of the first rotating shaft, and a fifth limit block is fixed on the side wall of the installation box to limit the rotation angle of the first rotating shaft in cooperation with the fourth limit block. limit block;

A first ratchet is fixed on the second rotating shaft, a second gear is fixed on the outer wall of the first ratchet, the second gear meshes with the first gear for transmission, and one end of the rotating plate is fixed On the second rotating shaft, the other end of the rotating plate protrudes from the opening at one end of the installation box and is located above the counterweight limit plate, and the middle part of the rotating plate and the top of the installation box also pass through the first Three spring connection.

Owing to adopting the above-mentioned technical scheme, the present invention has the following advantages:

1. The device of the present application can meet the needs of various training modes. During the use of the barbell, it is not necessary to frequently replace the weights of the weight plates at both ends of the barbell, and the training continuity is good. Quantitative training, the training effect is good.

2. When doing squat, bench press and other training in this application, the barbell unit is connected to the first sliding sleeve, and the weight of the barbell unit can be adjusted by adjusting the weight of the counterweight unit, which solves the need for training during the use of the existing barbell. The personnel frequently replace the weight plate. During the replacement process, the weight plate is easy to fall and cause injury to the trainer. At the same time, when the trainer is doing hand, chest and back stretching training, the barbell unit is connected to the first slide. The sleeve is disengaged, and the first sliding sleeve can be freely adjusted on the front column.

3. The application realizes the quantitative training and non-quantitative training of trainers by adjusting the connection state between the synchronizer and the second external spline, and the training effect is good. Realize the adjustment of different training volumes.

Other advantages, objects and features of the present invention will be set forth in the description which follows, to the extent that will be apparent to those skilled in the art based on a study of the following, or may be learned from is taught in the practice of the present invention. The objectives and other advantages of the present invention may be realized and attained by the following description and claims.

Description of drawings

The accompanying drawings of the present invention are described below.

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a partial enlarged view of A in FIG. 1 of the present invention.

FIG. 3 is a schematic structural diagram of a counterweight block of the present invention.

FIG. 4 is a schematic structural diagram of the counterweight limit plate of the present invention.

FIG. 5 is a schematic structural diagram of the first position-limiting pin of the present invention.

FIG. 6 is a schematic structural diagram of a barbell of the present invention.

FIG. 7 is a schematic structural diagram of a counting and limiting unit of the present invention.

FIG. 8 is a front cross-sectional view of the counting and limiting unit of the present invention.

FIG. 9 is a top sectional view of the counting and limiting unit of the present invention.

FIG. 10 is a schematic diagram of the internal structure of the counting and limiting unit of the present invention.

FIG. 11 is a schematic structural diagram of the synchronizer of the present invention.

FIG. 12 is a schematic structural diagram of the first ratchet wheel of the present invention.

13 is a partial view of the limit switching unit of the present invention.

FIG. 14 is a schematic structural diagram of the first sliding sleeve of the present invention.

FIG. 15 is a schematic structural diagram of the first blade of the present invention.

FIG. 16 is a schematic structural diagram of the second blade of the present invention.

In the figure: 1-installation frame; 2-steel wire; 3-front column; 4-first sliding sleeve; 5-first wire wheel; 6-U-shaped mounting plate; 7-second wire wheel; 8-first limit Position block; 9-hanging ring; 10-first sliding rod; 11-counterweight block; 12-counterweight limit plate; 13-first sliding hole; 14-limiting column; 15-first limit hole; 16-Second limit hole; 17-Limiting column through hole; 18-First limit pin; 19-Third wire wheel; 20-Second sliding rod; 21-Second sliding sleeve; 22-First installation block; 23-barbell bar; 24-barbell bar through hole; 25-counterweight plate; 26-first chute; 27-second limit block; 28-first spring; 29-first limit boss; 30-Third limit hole; 31-Hook; 32-Vertical beam; 33-Second limit boss; 34-Fourth limit hole; 35-Step hole; 36-Circle plate; 37-Second limit Position latch; 38-first handle; 39-second spring; 40-L-shaped mounting plate; 41-second blade; 42-third limit block; 43-rear column; 44-installation box; 45-first Rotary shaft; 46-second shaft; 47-first external spline; 48-synchronizer; 49-first gear; 50-ring boss; 51-second external spline; 52-second handle; 53-mark Scale; 54-quantity mark; 55-ring groove; 56-ring plate; 57-limiting groove; 58-fourth limit block; 59-fifth limit block; 60-first ratchet; 61-second Gear; 62-rotating plate; 63-third spring; 64-first blade.

Detailed ways

The present invention will be further described below with reference to the accompanying drawings and embodiments.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "portrait", "horizontal", "top", "bottom", "front", "rear", "left", "right" , "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, only for the convenience of describing this Inventive embodiments and simplified descriptions are not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first", "second", and "third" are used for descriptive purposes only and should not be construed to indicate or imply relative importance. In the description of the embodiments of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection, Or integral connection; it can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediate medium. Those of ordinary skill in the art can understand the specific meanings of the above terms in the embodiments of the present invention in specific situations.

As shown in Figures 1-16, a fitness device that can switch multiple fitness modes includes a mounting frame 1 and a steel wire 2. The two front uprights 3 on the front side of the mounting frame 1 are slidably sleeved with a first sliding sleeve. Cover 4, the mounting frame 1 is provided with a barbell unit that can slide up and down, and both sides of the mounting frame 1 are provided with weight-adjustable counterweight units;

After the two ends of the steel wire 2 bypass the top of the counterweight unit, they are guided by a plurality of first wire wheels 5 installed on the mounting frame 1 and then connected to the front and rear side walls of the first sliding sleeve 4 respectively;

A limit switching unit is installed on the side wall of the first sliding sleeve 4 for limiting the position of the first sliding sleeve 4 on the front column 3 and optionally driving the barbell unit to connect with the first sliding sleeve 4 .

In the example of the present invention, a first sliding sleeve 4 is provided, and both ends of the steel wire 2 are connected to the first sliding sleeve 4, so as to facilitate the adjustment of the position of the first sliding sleeve 4 on the front column 3, while satisfying the Fitness personnel do hand, chest, and back stretching training. Setting up barbell units can satisfy fitness personnel doing squat, bench press and other training. At the same time, the connection between the barbell unit and the first sliding sleeve 4 can be switched through the limit switching unit. During squat, bench press and other training, the barbell unit is connected to the first sliding sleeve 4, and the weight of the barbell unit can be adjusted by adjusting the weight of the counterweight unit, which solves the problem that trainers need to frequently replace the counterweight during the use of the existing barbell. During the replacement process, the weight plate is easy to fall and cause injury to the trainer. At the same time, when the trainer needs to do hand, chest and back stretching training, the barbell unit is separated from the first sliding sleeve 4. The first sliding sleeve 4 can be freely adjusted on the front column 3 .

As an embodiment of the present invention, a U-shaped mounting plate 6 is mounted on the front side of the first sliding sleeve 4, and two second wire wheels 7 are mounted on the inner side of the U-shaped mounting plate 6;

One end of the steel wire 2 passes through the two second wire wheels 7 and is then fixed on the first limit block 8. The first limit block 8 is installed with a hanging ring 9 for installing various fitness equipment. The other end of the steel wire 2 is fixed on the rear side wall of the first sliding sleeve 4 .

In the example of the present invention, both ends of the wire 2 are connected to the front and rear sides of the first sliding sleeve 4 to facilitate the adjustment of the position of the first sliding sleeve 4 on the front column 3 . The hanging ring 9 is convenient for hanging various auxiliary equipment when doing hand, chest and back stretching training.

As an embodiment of the present invention, the counterweight unit includes a first sliding rod 10 , a counterweight block 11 , a counterweight limiting plate 12 , a first sliding hole 13 , a limiting column 14 , and a first limiting hole 15 , the second limit hole 16, the limit post hole 17, the first limit pin 18, the third wire wheel 19;

The two ends of the first sliding rod 10 are respectively installed between the upper and lower beams on the same side of the mounting frame 1 , and a number of counterweight blocks 11 and counterweight limit plates 12 with the same thickness are placed on the same side in sequence. On the lower beam of the mounting frame 1, the counterweight limiting plate 12 is located on a plurality of counterweight blocks 11, and a first sliding hole 13 is opened on each of the counterweight blocks 11 and the counterweight limiting plate 12. The hole 13 is slidingly matched with the first sliding rod 10;

Limiting posts 14 are installed on the lower surface of the counterweight limiting plate 12 . The limiting posts 14 are provided with a plurality of first limiting holes 15 at equal intervals. The thicknesses of the counterweight blocks 11 are the same. A number of counterweight blocks 11 are provided with limiting column via holes 17 , and the side walls of some counterweight blocks 11 are provided with second limiting holes 16 , and a plurality of second limiting holes 16 . Corresponding one-to-one with the plurality of first limit holes 15, the first limit pins 18 can be selectively inserted into any group of corresponding first limit holes 15 and second limit holes 16;

A rotatable third wire wheel 19 is installed on the upper surface of the counterweight limit plate 12 , and both ends of the steel wire 2 bypass the third wire wheel 19 respectively.

In the example of the present invention, during training, the trainer can insert the first limit pin 18 into any set of corresponding first limit holes 15 and second limit holes 16 according to their own needs, so as to achieve different training strengths. Adjustment, the adjustment process is simple and convenient.

As an embodiment of the present invention, the barbell unit includes a second sliding bar 20, a second sliding sleeve 21, a first mounting block 22, a barbell bar 23, a barbell bar through hole 24, a weight plate 25, a first sliding Slot 26, second limit block 27, first spring 28, first limit boss 29, third limit hole 30;

Both ends of the second sliding rod 20 are respectively installed between the upper and lower beams on the same side of the mounting frame 1 , and the second sliding sleeve 21 is slidably sleeved on the second sliding rod 20 . One end of the first mounting block 22 is fixedly connected to the side wall of the second sliding bar 20 , the first mounting block 22 is provided with a barbell bar via hole 24 , and the axis of the barbell bar via hole 24 is the same as that of the barbell bar via hole 24 . The axis of the second sliding sleeve 21 is vertical, and the two ends of the barbell bar 23 respectively pass through the barbell bar through holes 24 on both sides, and then a counterweight plate 25 is installed;

The other end of the first mounting block 22 is provided with a first chute 26 penetrating the other side wall thereof. The second limiting block 27 is slidably arranged in the first chute 26, The side wall of the limiting block 27 close to one end of the second sliding rod 20 and the side wall of the first sliding slot 26 are connected by a first spring 28 , and the expansion and contraction direction of the first spring 28 is related to the second The sliding directions of the limit blocks 27 are the same;

The rear side wall of the first sliding sleeve 4 is provided with a third limiting hole 30 that cooperates with the second limiting block 27 . A first inserting knife 64 is also installed, which cooperates with the limit switching unit to insert the other end of the second limit block 27 into the third limit hole 30;

A first limiting boss 29 is also installed at the bottom of the first sliding slot 26 near one end of the second sliding rod 20 .

In the example of the present invention, when the barbell is in use, the limit switching unit is driven to contact the first blade 64, and the second limit block 27 is driven to be inserted into the third limit hole 30 to realize the connection between the barbell and the first sliding sleeve 4, When using the barbell unit for training, the weight of the barbell can be adjusted by adjusting the weight of the unit, and the adjustment is convenient and fast, which solves the need for trainers to frequently replace the weight plate during the use of the existing barbell. The problem that the weight is easy to fall and cause injury to the trainer.

As an embodiment of the present invention, it also includes a barbell limiting assembly for limiting the barbell unit when it is not in use. The barbell limiting assembly includes hooks 31 fixed on both ends of the barbell bar 23, and a The vertical beam 32 between the upper and lower beams on the same side of the mounting frame 1 is installed on the vertical beam 32 at equal intervals with a number of second limit bosses that cooperate with the hooks 31 to limit the position of the barbell bar 33.

In the example of the present invention, when the barbell is not in use, the hooks 31 on both sides are hung on a set of corresponding second limiting bosses 33 on both sides to limit the barbell.

As an embodiment of the present invention, the limit switching unit includes a fourth limit hole 34, a stepped hole 35, a circular ring plate 36, a second limit pin 37, a first handle 38, a second spring 39, an L-shaped the mounting plate 40, the second inserting blade 41, and the third limiting block 42;

The front column 3 is provided with a plurality of fourth limit holes 34 at equal intervals, the side wall of the first sliding sleeve 4 is provided with step holes 35, and the upper step of the step hole 35 is provided with a circle. Ring plate 36, one end of the second limit pin 37 is inserted into any fourth limit hole 34 after perforating the annular plate 36 and the stepped hole 35;

A first handle 38 is fixedly connected to the other end of the second limit pin 37 , and a second spring 39 is also sleeved on the second limit pin 37 between the first handle 38 and the annular plate 36 . Both ends of the two springs 39 are respectively fixed on the annular plate 36 and the first handle 38;

One end of the L-shaped mounting plate 40 is also fixedly connected to the side wall of the first handle 38 , and the other end of the L-shaped mounting plate 40 is also mounted with the first blade 64 for driving the second limiter. The other end of the block 27 is inserted into the second blade 41 in the third limiting hole 30;

A plurality of third limiting blocks 42 for limiting the position of the annular plate 36 are also installed on the side wall of the first sliding sleeve 4 .

In the example of the present invention, when doing hand, chest, and back stretching training, the first blade 64 is located on the side of the first sliding sleeve 4 away from the barbell unit, and the second limiter pin 37 is adjusted to insert into the fourth blade of different heights. The limit hole 34 is suitable for the use of trainers of different heights. When training such as squat and bench press is required, the second limit pin 37 is rotated to make the front end of the first blade 64 and the front end of the second blade 41. contact, the first blade 64 drives the second blade 41 and the second limit block 27 to slide, and the second limit block 27 is inserted into the third limit hole 30 to realize the connection between the barbell unit and the first sliding sleeve 4, and at the same time The top end of the L-shaped mounting plate 40 is limited by the first limit boss 29, so that when the barbell unit is connected with the first sliding sleeve 4, the second limit pin 37 will not be inserted into the fourth limit hole 34, and the barbell will not be inserted into the fourth limit hole 34. and the first sliding sleeve 4 can slide up and down freely.

As an embodiment of the present invention, it also includes a counting and limiting unit for counting and limiting the number of fitness movements. The counting and limiting unit includes an installation box 44 , a first rotating shaft 45 , a second rotating shaft 46 , and a second rotating shaft 46 . An external spline 47, synchronizer 48, first gear 49, annular boss 50, second external spline 51, second handle 52, marking scale 53, quantity marking 54, annular groove 55, snap ring plate 56, limit Position slot 57, fourth limit block 58, fifth limit block 59, first ratchet 60, second gear 61, rotating plate 62, third spring 63;

A mounting box 44 is installed on the two rear uprights 43 on the rear side of the mounting frame 1, and the side of the mounting box 44 close to the counterweight unit is provided with an opening;

A first rotating shaft 45 and a second rotating shaft 46 that are parallel to each other are installed in the installation box 44 for rotation. The first rotating shaft 45 is provided with a first external spline 47, and the synchronizer 48 is slidably clamped on the On the first external spline 47, the first gear 49 is rotatably mounted on the first shaft 45 through a bearing, and an annular boss 50 is provided on one side of the first gear 49. The annular boss 50 There is a second external spline 51 that can be selectively snapped with the synchronizer 48;

One end of the first rotating shaft 45 protrudes from the side wall of the installation box 44 and a second handle 52 is installed. The second handle 52 is provided with a marking scale 53 , and the outer wall of the installation box 44 is provided with The number of marks 54 matched with the marking scale 53;

The outer wall of the synchronizer 48 is also provided with an annular groove 55, and one end of the snap ring plate 56 is rotated and clamped in the annular groove 55; in the plurality of limit slots 57 at the top of the installation box 44;

The outer wall of the first rotating shaft 45 is also provided with a fourth limit block 58 , and the side wall of the installation box 44 is fixedly fixed to cooperate with the fourth limit block 58 to adjust the rotation angle of the first rotating shaft 45 . the fifth limit block 59 of the limit;

A first ratchet 60 is fixed on the second rotating shaft 46 , a second gear 61 is fixed on the outer wall of the first ratchet 60 , and the second gear 61 meshes with the first gear 49 for transmission. One end of the rotating plate 62 is fixed on the second rotating shaft 46 , and the other end of the rotating plate 62 protrudes from the opening of one end of the installation box 44 and is located above the counterweight limit plate 12 . The middle of the plate 62 and the top of the installation box 44 are also connected by a third spring 63 .

In the example of the present invention, when the trainer performs indefinite training, the synchronizer 48 is not clamped with the second external spline 51, and when the first gear 49 rotates, the first shaft 45 will not rotate; During quantitative training, rotate the first rotating shaft 49 to align the marking scale 53 with the corresponding quantity marking 54, and then push the synchronizer 48 to be snapped with the second external spline 51 through the snap ring plate 56; during training, the counterweight limit plate 12 Slide up to drive the rotating plate 62 to rotate, the first ratchet 60 on the rotating plate 62 is locked, and drives the second gear 61 to rotate, the second gear 61 drives the first gear 49 to rotate, the first shaft 45 rotates with the first gear 49, After the rotating plate 62 is rotated by a certain angle, the front end is separated from the counterweight limit plate 12. Under the action of the third spring 63, the rotating plate 62 is reset. During the reset process, the first ratchet 60 is in a non-locking state, and the second gear 61 does not follow the The second rotating shaft 46 rotates; every time the counterweight limit plate 12 moves up and down once, the marking scale 53 rotates by one scale, indicating a training. When the marking scale 53 returns to the initial position, the fourth limit block 58 and the fifth limit block 59 Contact, the first gear 49, the second gear 61, and the rotating plate 62 cannot rotate, and the upper counterweight limit plate 12 is limited. During the training process, the trainer does not need to perform calculations, and the quantitative training of the trainer is realized.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: the present invention can still be Modifications or equivalent replacements are made to the specific embodiments of the present invention, and any modifications or equivalent replacements that do not depart from the spirit and scope of the present invention shall be included within the protection scope of the claims of the present invention.

Claims (4)

1. A fitness device capable of switching multiple fitness modes, characterized in that it comprises a mounting frame (1), a steel wire (2), and sliding sleeves on the two front uprights (3) on the front side of the mounting frame (1) A first sliding sleeve (4) is provided, a barbell unit that can slide up and down is provided on the mounting frame (1), and weight units with adjustable weight are provided on both sides of the mounting frame (1); After the two ends of the steel wire (2) bypass the top of the counterweight unit, they are guided by a plurality of first wire wheels (5) installed on the mounting frame (1) and then connected to the first sliding sleeve (4) respectively. on the front and rear side walls; The side wall of the first sliding sleeve (4) is provided with a drive barbell unit and a first sliding sleeve (4) that are used to limit the position of the first sliding sleeve (4) on the front upright column (3) and can be selected. ) connected limit switching unit; The barbell unit comprises a second sliding bar (20), a second sliding sleeve (21), a first mounting block (22), a barbell bar (23), a barbell bar through hole (24), a weight plate (25), a first chute (26), a second limit block (27), a first spring (28), a first limit boss (29), and a third limit hole (30); Both ends of the second sliding rod (20) are respectively installed between the upper and lower beams on the same side of the mounting frame (1), and the second sliding sleeve (21) is slidably sleeved on the second sliding sleeve. On the rod (20), one end of the first mounting block (22) is fixedly connected to the side wall of the second sliding rod (20), and the first mounting block (22) is provided with a barbell bar through hole (24), the axis of the barbell bar through hole (24) is perpendicular to the axis of the second sliding sleeve (21), and the two ends of the barbell bar (23) pass through the barbell bar through holes (23) on both sides respectively. 24) A counterweight plate (25) is installed at the rear; The other end of the first mounting block (22) is provided with a first chute (26) penetrating the other side wall thereof, and the second limit block (27) is slidably arranged on the first chute (26). 26), a first spring (28) passes between the side wall of the second limit block (27) near one end of the second sliding rod (20) and the side wall of the first chute (26). connected, the telescopic direction of the first spring (28) is the same as the sliding direction of the second limiting block (27); The rear side wall of the first sliding sleeve (4) is provided with a third limit hole (30) that cooperates with a second limit block (27), and the second limit block (27) is close to the second limit block (27). The side wall of one end of the sliding rod (20) is also mounted with a first inserting knife (64) which cooperates with the limit switching unit to insert the other end of the second limit block (27) into the third limit hole (30); A first limiting boss (29) is also installed at the bottom of the first chute (26) close to one end of the second sliding rod (20); it also includes a barbell limiter for limiting the barbell unit when it is not in use The barbell limiting assembly includes hooks (31) fixed on both ends of the barbell bar (23), and vertical beams ( 32), a plurality of second limit bosses (33) that cooperate with the hooks (31) to limit the position of the barbell bar are installed on the vertical beam (32) at equal intervals; The limit switching unit includes a fourth limit hole (34), a stepped hole (35), a circular ring plate (36), a second limit pin (37), a first handle (38), and a second spring (39) , L-shaped mounting plate (40), second blade (41), third limit block (42); The front column (3) is provided with a plurality of fourth limiting holes (34) at equal intervals, the side wall of the first sliding sleeve (4) is provided with stepped holes (35), and the stepped holes (35) A circular ring plate (36) is arranged to rotate in the upper step of the ), and one end of the second limit pin (37) perforates the circular ring plate (36) and the stepped hole (35) and can be selectively inserted into any one of the in the fourth limit hole (34); The other end of the second limit pin (37) is fixed with a first handle (38), and the second limit pin (37) between the first handle (38) and the annular plate (36) is also sleeved A second spring (39) is provided, and both ends of the second spring (39) are respectively fixed on the annular plate (36) and the first handle (38); One end of the L-shaped mounting plate (40) is also fixedly connected to the side wall of the first handle (38), and the other end of the L-shaped mounting plate (40) is also mounted with the first blade (64) cooperate with the second inserting knife (41) for driving the other end of the second limiting block (27) to be inserted into the third limiting hole (30); A plurality of third limiting blocks (42) for limiting the position of the annular plate (36) are also installed on the side wall of the first sliding sleeve (4). 2. The fitness device capable of switching multiple fitness modes according to claim 1, wherein a U-shaped mounting plate (6) is installed on the front side of the first sliding sleeve (4), and the U-shaped mounting plate (6) is installed on the front side of the first sliding sleeve (4). Two second wire wheels (7) are installed on the inner side of the shaped mounting plate (6); One end of the steel wire (2) passes through the two second wire pulleys (7) and is then fixed on the first limit block (8). For a hanging ring (9) of a fitness appliance, the other end of the steel wire (2) is fixedly connected to the rear side wall of the first sliding sleeve (4). 3. The fitness device capable of switching multiple fitness modes according to claim 1, wherein the counterweight unit comprises a first sliding bar (10), a counterweight block (11), a counterweight limiter Plate (12), first sliding hole (13), limit column (14), first limit hole (15), second limit hole (16), limit column through hole (17), first limit Position latch (18), third wire wheel (19); The two ends of the first sliding rod (10) are respectively installed between the upper and lower beams on the same side of the mounting frame (1), and several counterweight blocks (11) and counterweight limit plates (12) with the same thickness ) are placed in sequence on the lower beam of the mounting frame (1). (12) are provided with a first sliding hole (13), and the first sliding hole (13) is slidingly matched with the first sliding rod (10); A limit post (14) is installed on the lower surface of the counterweight limit plate (12), and a plurality of first limit holes (15) are opened on the limit post (14) at equal intervals. The spacing between the holes (15) is the same as the thickness of the counterweights (11), and several counterweights (11) are provided with limiting column via holes (17), and the side walls of several counterweights (11) A second limit hole (16) is provided on each of them, and a plurality of second limit holes (16) correspond to a number of first limit holes (15) one-to-one, and the first limit pins (18) can be selectively inserted In any group of corresponding first limit holes (15) and second limit holes (16); A rotatable third wire wheel (19) is installed on the upper surface of the counterweight limit plate (12), and both ends of the steel wire (2) respectively bypass the third wire wheel (19). 4 . The fitness device capable of switching multiple fitness modes according to claim 3 , further comprising a counting and limiting unit for counting and limiting the number of fitness movements, the counting and limiting unit 4 . It includes a mounting box (44), a first rotating shaft (45), a second rotating shaft (46), a first external spline (47), a synchronizer (48), a first gear (49), an annular boss (50), The second external spline (51), the second handle (52), the marking scale (53), the quantity mark (54), the annular groove (55), the snap ring plate (56), the limit groove (57), the fourth a limit block (58), a fifth limit block (59), a first ratchet (60), a second gear (61), a rotating plate (62), and a third spring (63); A mounting box (44) is installed on the two rear uprights (43) on the rear side of the mounting frame (1), and the side of the mounting box (44) close to the counterweight unit is provided with an opening; A first rotating shaft (45) and a second rotating shaft (46) that are parallel to each other are rotated in the installation box (44), and the first rotating shaft (45) is provided with a first external spline (47), so The synchronizer (48) is slidably clamped on the first external spline (47), the first gear (49) is rotatably mounted on the first shaft (45) through a bearing, the first One side of the gear (49) is provided with an annular boss (50), and the annular boss (50) is provided with a second external spline (51) that can selectively engage with the synchronizer (48); A second handle (52) is installed after one end of the first rotating shaft (45) protrudes from the side wall of the installation box (44), and the second handle (52) is provided with a marking scale (53), so A quantity mark (54) matched with the mark scale (53) is provided on the outer wall of the installation box (44); An annular groove (55) is also provided on the outer wall of the synchronizer (48), and one end of the snap ring plate (56) is rotatably clamped in the annular groove (55); the snap ring plate (56) The other end of the can optionally be snapped into a plurality of limit slots (57) at the top of the installation box (44); A fourth limiting block (58) is also provided on the outer wall of the first rotating shaft (45), and a matching pair with the fourth limiting block (58) is fixed on the side wall of the installation box (44). A fifth limiting block (59) for limiting the rotation angle of the first rotating shaft (45); A first ratchet (60) is fixed on the second rotating shaft (46), a second gear (61) is fixed on the outer wall of the first ratchet (60), and the second gear (61) is connected with the The first gear (49) is engaged for transmission, one end of the rotating plate (62) is fixed on the second rotating shaft (46), and the other end of the rotating plate (62) protrudes out of the mounting box (44). The opening at one end of ) is located above the counterweight limiting plate (12), and the middle of the rotating plate (62) and the top of the installation box (44) are also connected by a third spring (63).

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