CN211272053U - Magnetic driving type quadriceps femoris muscle trainer - Google Patents

Abstract

The utility model belongs to the technical field of medical instrument, more specifically say, relate to a magnetic drive formula quadriceps femoris muscle training ware. The trainer comprises a fixed plate, a seat and a training driving mechanism, wherein the seat is arranged at the first end of the fixed plate, and the training driving mechanism is arranged at the second end of the fixed plate; the training driving mechanism comprises a magnetic sliding plate, a pedal and an electromagnet, the magnetic sliding plate is arranged between the first end and the second end of the fixing plate and is in sliding connection with the sliding rod, and the electromagnet is arranged at a position opposite to the magnetic sliding plate with the first end and the second end of the fixing plate. When using this training ware, two electro-magnets produce magnetic attraction in turn, and the magnetism slide receives the magnetic attraction of electro-magnet in turn and reciprocates to slide on the fixed plate, and the simultaneous user's both feet are concertina movement along with the magnetism slide, can temper shank muscle especially thigh quadriceps, and the user need not to rely on self strength drive shank to be concertina movement, can satisfy shank and send out the user demand of the obstructed patient of power.

Description

Magnetic driving type quadriceps femoris muscle trainer

Technical Field

The utility model belongs to the technical field of medical instrument, more specifically say, relate to a magnetic drive formula quadriceps femoris muscle training ware.

Background

In clinical rehabilitation training, training for the reduction of the muscle strength of the quadriceps femoris includes free hands of a therapist, instruments, elastic bands, elastic tubes, and the like. Among them, quadriceps femoris training apparatus is the most useful rehabilitation auxiliary device, and with the help of the training apparatus, the patient can well keep the normative and the persistence of the training action, thereby shortening the rehabilitation time.

The existing quadriceps femoris training instrument generally comprises pedals for enabling two feet of a patient to pedal to exert force, when in use, two legs of the patient are placed on the pedals, the pedals are pedaled with force, and the bending and straightening actions of the two legs are repeated, so that the quadriceps femoris of the patient are strengthened. However, for some patients with serious leg injuries, it is difficult to bend or straighten the leg independently to pedal the pedal with force, and at this time, such an apparatus that needs to exercise by the patient's own strength cannot meet the requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a magnetic drive formula quadriceps femoris muscle training ware aims at solving the quadriceps femoris muscle training ware among the prior art and needs rely on patient self strength to carry out the recovered technical problem of motion.

In order to achieve the above object, the utility model adopts the following technical scheme: a magnetic drive type quadriceps femoris muscle trainer comprises a fixed plate, a seat and a training driving mechanism for driving legs of a user to do telescopic motion, wherein the fixed plate is provided with a first end and a second end which are oppositely arranged; be provided with the slide bar on the fixed plate, training actuating mechanism includes sliding connection in the magnetic slide on the slide bar, be fixed in footboard on the magnetic slide and be used for driving the gliding electro-magnet of relative slide bar of magnetic slide, and the magnetic slide sets up between the first end and the second end of fixed plate, and the first end of fixed plate and second end all are provided with the electro-magnet just to the position department of magnetic slide.

Further, the training driving mechanism further comprises a sliding connection assembly used for slidably connecting the magnetic sliding plate and the sliding rod, the sliding connection assembly comprises a connection shell with a mounting cavity and at least two clamping wheels rotatably connected in the mounting cavity, the connection shell and the magnetic sliding plate are fixedly connected towards the lower bottom surface of the fixing plate, and the sliding rod penetrates through the connection shell and is clamped between the at least two clamping wheels.

Furthermore, the connecting shell is provided with a first open end and a second open end which are oppositely arranged, and the sliding rod penetrates through the first open end and the second open end; four clamping wheels are arranged in the installation cavity, the two clamping wheels are arranged at the first open end and clamp the part of the sliding rod close to the first open end, and the other two clamping wheels are arranged at the second open end and clamp the part of the sliding rod close to the second open end.

Further, the training driving mechanism comprises two groups of sliding connection assemblies with the same structure, sliding rods are arranged on two opposite sides of the fixing plate, and the magnetic sliding plate is in corresponding sliding connection with the two sliding rods through the two sliding connection assemblies respectively.

Furthermore, the upper surface of the magnetic sliding plate departing from the fixed plate is provided with a base plate, and the pedal is fixed at the end part of the magnetic sliding block departing from the seat and protrudes towards one side of the base plate.

Furthermore, a first end of the fixing plate is convexly provided with a first connecting plate, a second end of the fixing plate is convexly provided with a second connecting plate, and two opposite end parts of the sliding rod are fixedly connected with the first connecting plate and the second connecting plate respectively.

Furthermore, the magnetic drive type quadriceps femoris muscle trainer also comprises a support for supporting the fixed plate and the seat, the support comprises a first supporting rod, a second supporting rod and a third supporting rod, the first end of the fixed plate is connected with the first supporting rod, one end, far away from the second supporting rod, of the first supporting rod is provided with an extension section extending out relative to the fixed plate, the second end of the fixed plate is fixedly connected with the second supporting rod, the first supporting rod, the second supporting rod and the fixed plate are enclosed to form a triangular structure, and the end, far away from the fixed plate, of the seat is connected with the extension section of the first supporting rod through the third supporting rod.

Furthermore, an included angle formed between the first supporting rod and the second supporting rod is 90-120 degrees.

Furthermore, a first connecting lug is arranged at the position where the first supporting rod is connected with the third supporting rod, a second connecting lug is arranged at the position where the seat is connected with the third supporting rod, and two opposite end parts of the third supporting rod are respectively connected with the first connecting lug and the second connecting lug.

Further, the support still including setting up in the auxiliary connecting rod that the fixed plate deviates from magnetism slide one side, the relative both ends of auxiliary connecting rod respectively with first bracing piece and second bracing piece fixed connection, be provided with the handle that grips that is used for supplying the user to grip on the auxiliary connecting rod.

The utility model has the advantages that: the utility model discloses a magnetic drive type quadriceps muscle trainer, it sets up seat and training actuating mechanism respectively at the both ends of fixed plate, wherein, the seat is used for supplying the user to sit upright or lie flat, training actuating mechanism is used for driving the user's shank to do the concertina movement of reciprocating bending and straightening, specifically, training actuating mechanism includes the magnetism slide, footboard and electro-magnet, be provided with the slide bar on the fixed plate, the magnetism slide sets up between the first end and the second end of fixed plate and with slide bar sliding connection, simultaneously, still all be provided with the electro-magnet on the first end and the second end of fixed plate, the electro-magnet at fixed plate both ends is just setting up respectively to the both ends of magnetism slide, the electro-magnet is used for magnetism to adsorb magnetism slide to make the magnetism slide; the pedal is fixed on the magnetic skateboard and is used for being pedaled and fixed by feet of a user. When the trainer is used, a user sits or lies on the seat, the two pedals are fixed on the pedal, then the power supply wires of the two electromagnets on the fixed plate are alternately connected to enable the two electromagnets to alternately generate magnetic attraction force, thus, the magnetic slide plate is alternately attracted by the electromagnets at the two ends of the fixed plate, thereby realizing the reciprocating sliding between the first end and the second end of the fixed plate, and at the same time of sliding, the feet of the user can freely extend and retract along with the pedal plate and the magnetic sliding plate, so as to achieve the purpose of exercising the leg muscles of the user, in particular the quadriceps femoris muscle, thus, the user does not need to rely on the self strength to drive the leg to do bending or straightening movement, it only need relax the shank let it follow the motion of magnetism slide together can, the motion process is lower to user's self strength requirement, can satisfy the use demand of the obstructed patient of shank power.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural view of a magnetic drive type quadriceps femoris training device provided by an embodiment of the present invention;

fig. 2 is a schematic structural view of the magnetic drive type quadriceps femoris trainer according to the embodiment of the present invention when the sliding rod and the sliding connection assembly are assembled;

fig. 3 is a sectional view of the magnetic drive quadriceps femoris trainer according to the embodiment of the present invention when the sliding rod and the sliding connection assembly are assembled;

fig. 4 is a first schematic structural diagram of the magnetic drive type quadriceps femoris trainer in assembling the bracket and the fixing plate;

fig. 5 is a schematic structural diagram two of the assembly of the bracket and the fixing plate of the magnetic drive type quadriceps femoris trainer provided by the embodiment of the utility model.

Wherein, in the figures, the respective reference numerals:

10-fixed plate 11-sliding rod 12-first connecting plate

13-second connecting plate 20-seat 30-training driving mechanism

31-magnetic slide plate 32-pedal 33-electromagnet

34-sliding connection assembly 40-bracket 41-first support rod

42-second supporting rod 43-third supporting rod 44-auxiliary connecting rod

45-holding handle 46-first lateral support leg 47-second lateral support leg

48-antiskid sleeve 311-backing plate 321-sleeve body

331-power cord 341-connecting shell 342-clamping wheel

411-first engaging lug 412-hanging rod 431-second engaging lug

451-fixed clamp block 3411-first open end 3412-second open end

3413-mounting cavity 3414-clamping gap.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-5 are exemplary and intended to be used to illustrate the invention, but should not be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1-5, the present invention provides a magnetic drive type quadriceps muscle trainer, which is suitable for training and enhancing the strength of the leg muscles of a user, especially the quadriceps muscle of the leg, specifically, the magnetic drive type quadriceps muscle trainer comprises a fixing plate 10, a seat 20 and a training driving mechanism 30 for driving the legs of the user to do stretching movement, wherein the fixing plate 10 has a first end and a second end which are oppositely arranged, the seat 20 is installed at the first end of the fixing plate 10, the training driving mechanism 30 is installed at the second end of the fixing plate 10, wherein the seat 20 is used for the user to sit upright or lie flat, and the training driving mechanism 30 is used for driving the legs of the user to bend or straighten; the fixed plate 10 is provided with a slide bar 11, the training driving mechanism 30 includes a magnetic slide plate 31 slidably connected to the slide bar 11, a pedal 32 fixed on the magnetic slide plate 31, and an electromagnet 33 for driving the magnetic slide plate 31 to slide relative to the slide bar 11, the magnetic slide plate 31 is disposed between the first end and the second end of the fixed plate 10, the first end and the second end of the fixed plate 10 are both provided with the electromagnet 33 opposite to the magnetic slide plate 31, and sliding gaps for the magnetic slide plate 31 to slide are respectively reserved between the two electromagnets 33 and the two ends of the magnetic slide plate 31. The pedals 32 are used for the feet of the user to step on, and simultaneously fix the feet of the user, specifically, the pedals 32 are provided with sleeve bodies 321 similar to shoe covers, the feet of the user extend into the sleeve bodies 321, the pedals 32 and the sleeve bodies 321 jointly act to fix the feet of the user, more specifically, the number of the pedals 32 can be one or two, namely, two feet of the user are fixed on the same pedal 32 (not shown) or respectively fixed on two different pedals 32 (shown in fig. 1); the magnetic slide plate 31 is a plate-shaped structure made of a magnet or the like that can be magnetically attracted, and the electromagnet 33 is composed of an iron core and a conductive winding (not shown), wherein the iron core can be magnetized to generate electromagnetism when the conductive winding is energized, and can be demagnetized immediately when the conductive winding is de-energized; thus, the two electromagnets 33 can be alternately magnetized by alternately electrifying the two electromagnets 33 through the power line 331, so that the magnetic slide plate 31 is magnetically driven to move; specifically, when the electromagnet 33 fixed at the first end of the fixed plate 10 is energized and magnetized, the electromagnet 33 at the second end of the fixed plate 10 is de-energized and demagnetized, the magnetized electromagnet 33 attracts the magnetic sliding plate 31 to slide towards the first end of the fixed plate 10, at this time, the pedal 32 moves towards the seat 20 along with the magnetic sliding plate 31, the leg of the user bends, and then the electromagnet 33 at the first end of the fixed plate 10 is de-energized, the electromagnet 33 at the second end is energized, and the magnetic sliding plate 31 slides towards the second end of the fixed plate 10 and drives the legs of the user to straighten.

The utility model discloses magnetic drive type quadriceps muscle trainer, it sets up seat 20 and training actuating mechanism 30 respectively at the both ends of fixed plate 10, wherein, seat 20 is used for supplying the user to sit upright or lie flat, training actuating mechanism 30 is used for driving the user's shank to do the concertina movement of reciprocating bending and straightening, concretely, training actuating mechanism 30 includes magnetism slide 31, footboard 32 and electro-magnet 33, parallel arrangement has slide bar 11 on the fixed plate 10, magnetism slide 31 sets up between the first end and the second end of fixed plate 10 and with slide bar 11 sliding connection, and simultaneously, still all be provided with electro-magnet 33 on the first end and the second end of fixed plate 10, the electro-magnet 33 at fixed plate 10 both ends is just setting up to the both ends of magnetism slide 31 respectively, magnetism adsorbs magnetism slide 31 makes magnetism slide 31 slide relative slide bar 11 when electro-magnet 33 is used for circular telegram; the pedal 32 is fixed on the magnetic slide 31 and is used for fixing the feet of the user. When the trainer is used, a user sits or lies on the seat 20, the two pedals are fixed on the pedal 32, then the power supply wires 331 of the two electromagnets 33 on the fixed plate 10 are alternately switched on, so that the two electromagnets 33 alternately generate magnetic attraction, thus, the magnetic slide plate 31 is alternately attracted by the electromagnets 33 at the two ends of the fixed plate 10, thereby achieving the reciprocal sliding between the first and second ends of the fixed plate 10, and at the same time, the feet of the user can freely stretch and retract along with the pedal 32 and the magnetic skateboard 31, so that the purpose of exercising the leg muscles of the user, particularly the quadriceps femoris muscle can be achieved, thus, the user does not need to rely on the self force to drive the leg to do bending or straightening movement, it only need relax the shank let it follow magnetic sliding plate 31 and move together can, the motion process is lower to user's self strength requirement, can satisfy the obstructed patient's of shank power user demand.

In another embodiment of the present invention, as shown in fig. 1 to 3, the training driving mechanism 30 further includes a sliding connection assembly 34 for slidably connecting the magnetic sliding plate 31 and the sliding rod 11, the sliding connection assembly 34 includes a connection housing 341 having a mounting cavity 3413 and at least two clamping wheels 342 rotatably connected in the mounting cavity 3413, the connection housing 341 is fixedly connected with the magnetic sliding plate 31 toward the lower bottom surface of the fixing plate 10, and the sliding rod 11 penetrates the connection housing 341 and is clamped between the at least two clamping wheels 342. Specifically, the clamping wheels 342 are fixed in the mounting cavity 3413 through the wheel shaft, a recessed portion is formed on the rim of the clamping wheel 342, at least two recessed portions of the clamping wheels 342 are oppositely arranged, and a clamping gap 3414 for the sliding rod 11 to pass through is formed, the sliding rod 11 is clamped between the two clamping wheels 342, when the magnetic sliding plate 31 is not under the action of magnetic force, the sliding rod 11 and the connecting shell 341 are in a relatively static state under the action of the clamping force of the two clamping wheels 342, and when the magnetic sliding plate 31 is attracted by magnetic force, the magnetic sliding plate 31 moves to drive the connecting shell 341 to move, at this time, the clamping wheels 342 rotate around the own rotating shaft and enable the connecting shell 341 to slide relative to the sliding rod 11. Wherein, the clamping wheel 342 is preferably a rubber wheel, so that the friction force between the sliding rod 11 and the clamping wheel 342 can be improved, the connection housing 341 can slide relative to the sliding rod 11 slowly, the legs of the user can bend or straighten slowly along with the magnetic sliding plate 31, and the damage to the legs, especially the knees, caused by instant stress expansion and contraction can be avoided.

In another embodiment of the present invention, as shown in fig. 2 and 3, the connecting housing 341 has a first open end 3411 and a second open end 3412 opposite to each other, and the sliding rod 11 penetrates through the first open end 3411 and the second open end 3412; four holding wheels 342 are provided in the mounting cavity 3413, two holding wheels 342 are provided at the first open end 3411 and hold a portion of the slider 11 near the first open end 3411, and the other two holding wheels 342 are provided at the second open end 3412 and hold a portion of the slider 11 near the second open end 3412. Four clamping wheels 342 are provided, and two clamping wheels are paired to clamp two positions of the sliding rod 11 respectively, so as to improve the clamping effect of the clamping wheels 342 on the sliding rod 11. Of course, in some other embodiments, two pairs of 6 or 8 clamping wheels 342 for clamping the sliding rod 11 may be disposed in the mounting cavity 3413, so as to improve the clamping effect on the sliding rod 11, and therefore, the number of the clamping wheels 342 is not limited herein, and may be set according to actual requirements when in use.

In another embodiment of the present invention, as shown in fig. 1, the training driving mechanism 30 includes two sets of sliding connection assemblies 34 with the same structure, two opposite side portions of the fixing plate 10 are provided with the sliding rods 11, and the magnetic sliding plate 31 is respectively connected with the two sliding rods 11 through the two sliding connection assemblies 34. The two opposite side parts of the fixed plate 10 are respectively provided with the sliding rods 11, the sliding rods 11 on the two sides are arranged in parallel, and the parts of the magnetic sliding block corresponding to the two sliding rods 11 are respectively in sliding connection with the sliding rods 11 through the connecting shell 341 of the sliding assembly, so that the stability of the sliding movement of the magnetic sliding block is favorably improved.

In another embodiment of the present invention, as shown in fig. 1, the upper surface of the magnetic sliding plate 31 departing from the fixing plate 10 is provided with a pad 311, the pad 311 is made of soft material such as sponge, the pedal 32 is fixed on the end of the magnetic slider departing from the seat 20 and protrudes toward one side of the pad 311, so that the pad 311 is provided through the pad, thereby preventing the legs of the user from striking the magnetic sliding plate 31 when the user is stressed and stretched, and protecting the legs of the user.

In another embodiment of the present invention, as shown in fig. 1 and fig. 4, a first end of the fixing plate 10 is protruded to form a first connecting plate 12, a second end of the fixing plate 10 is protruded to form a second connecting plate 13, two opposite ends of the sliding rod 11 are respectively fixedly connected to the first connecting plate 12 and the second connecting plate 13, specifically, the first connecting plate 12 is parallel to the second connecting plate 13, the sliding rod 11 is perpendicularly connected between the first connecting plate 12 and the second connecting plate 13 and is parallel to the fixing plate 10, so when the magnetic slider drives the connecting housing 341 to move, the sliding rod 11 and the clamping wheel 342 always keep stable clamping status, and the friction of the clamping wheel 342 borne by the sliding rod 11 always keeps stable, so as to ensure the stability of the sliding movement of the magnetic slider and avoid the occurrence of jamming.

Preferably, as shown in fig. 1 and 4, a first connecting plate 12 is convexly provided at each of left and right sides of a first end of the fixing plate 10, a second connecting plate 13 is provided at each of left and right sides of a second end of the fixing plate 10, and when the sliding rods 11 are provided at each of opposite sides of the fixing plate 10, the sliding rods 11 are connected to the corresponding first connecting plate 12 and second connecting plate 13.

In another embodiment of the present invention, as shown in fig. 1, 4 and 5, the magnetic driving type quadriceps femoris training device further comprises a support 40 for supporting the fixing plate 10 and the seat 20, the support 40 comprises a first support rod 41, a second support rod 42 and a third support rod 43, a first end of the fixing plate 10 is connected to the first support rod 41, an end of the first support rod 41 away from the second support rod 42 has an extension extending out relative to the fixing plate 10, a second end of the fixing plate 10 is connected to the second support rod 42, the first support rod 41, the second support rod 42 and the fixing plate 10 form a triangle structure, an end of the seat 20 away from the fixing plate 10 is connected to the extension of the first support rod 41 through the third support rod 43, thus, the seat 20 and the stationary plate 10 are mounted on the same frame 40 together with the exercise driving mechanism 30, which facilitates the carrying movement of the whole exercise machine.

In another embodiment of the present invention, as shown in fig. 1, an included angle α formed between the first supporting rod 41 and the second supporting rod 42 is preferably 90 ° to 120 °, at this time, an angle β between the first end of the seat 20 and the first supporting rod 41 is 0 ° to 45 °, when α and β select different angle values, the body of the user is in different bending states during the exercise, for example, when β is 0 ° and α is 90 °, the seat 20 is horizontally placed on the first connecting rod, the fixed plate 10 and the seat 20 are in a right-angle connection state, and the body of the user is in a 90 ° bending state and uses the magnetic-driven quadriceps training device. Therefore, through the angle between the second end of adjustment first bracing piece 41 and the first end of second bracing piece 42 and the angle between the first end of adjustment seat 20 and first bracing piece 41 to make the user can select suitable crooked state of health according to the training demand of self, thereby comfort level when improving the use promotes and uses experience. In some specific embodiments, α may take a value of 90 °, 95 °, 100 °, 105 °, 110 °, 115 °, or 120 °, and β may take a value of 0 °, 15 °, 30 °, 45 °, 60 °, 75 °, or 90 °.

In another embodiment of the present invention, as shown in fig. 1 and 4, the position where the first supporting rod 41 is connected to the third supporting rod 43 is provided with a first connecting ear 411, the position where the seat 20 is connected to the third supporting rod 43 is provided with a second connecting ear 431, the two opposite ends of the third supporting rod 43 are detachably connected to the first connecting ear 411 and the second connecting ear 431 respectively, so that the supporting length of the third supporting rod 43 is adjusted (when the third supporting rod 43 is a telescopic rod with adjustable length), or the third supporting rod 43 with different lengths is replaced, the installation angle between the seat 20 and the first supporting rod 41 can be adjusted, and the present invention is convenient in operation and strong in performability.

In another embodiment of the present invention, as shown in fig. 1 and 5, the support 40 further includes an auxiliary link 44 disposed on one side of the fixing plate 10 away from the magnetic sliding plate 31, and two opposite ends of the auxiliary link 44 are respectively fixedly connected to the first support rod 41 and the second support rod 42, i.e. the auxiliary link 44 is located in a triangular region surrounded by the first support rod 41, the fixing plate 10 and the second support rod 42, so that the support strength of the support 40 can be improved by additionally providing the auxiliary link 44. In addition, the auxiliary link 44 is provided with a holding handle 45 for holding both hands of the user, specifically, the auxiliary link 44 is provided with a grip fixing clamping block 451, one end of the holding handle 45 is fixedly connected with the auxiliary link 44 through the grip fixing clamping block 451, and the other end of the holding handle 45 extends to one side of the fixing plate 10 facing the seat 20 for holding by the user, so that the user can hold the holding handle 45 during training, and the use is more convenient. More specifically, a grip handle 45 may be provided on one side of the fixing plate 10, and a user may grip the same handle with both hands, or grip handles 45 may be provided on both opposite side portions of the fixing plate 10 for gripping with both left and right hands of the user, respectively.

In another embodiment of the present invention, as shown in fig. 1, 4 and 5, the support 40 further comprises a first lateral support leg 46 and a second lateral support leg 47, the first lateral support leg 46 is vertically disposed at the first end of the first support rod 41, the second lateral support leg 47 is vertically disposed at the second end of the first support rod 41, the first lateral support leg 46 and the second lateral support leg 47 are disposed for supporting the support 40, and the tilting are avoided by the left-right shaking. Specifically, the two opposite ends of the first transverse support leg 46 and the two opposite ends of the second transverse support leg 47 are both sleeved with anti-slip sleeves 48, such as rubber sleeves, for increasing the friction between the bracket 40 and the bottom surface when being fixed on the bottom surface, so as to prevent the trainer from displacing in the using process and improve the use safety.

In another embodiment of the present invention, as shown in fig. 4, a plurality of hanging rods 412 are further protruded from the second supporting rod 42 for the user to place clothes, backpacks, etc.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a magnetic drive formula quadriceps femoris muscle training ware which characterized in that: the leg training device comprises a fixed plate, a seat and a training driving mechanism for driving legs of a user to do telescopic motion, wherein the fixed plate is provided with a first end and a second end which are arranged oppositely, the seat is installed at the first end of the fixed plate, and the training driving mechanism is installed at the second end of the fixed plate; be provided with the slide bar on the fixed plate, training actuating mechanism include sliding connection in magnetism slide on the slide bar, be fixed in footboard on the magnetism slide with be used for the drive the magnetism slide is relative the gliding electro-magnet of slide bar, the magnetism slide set up in between the first end and the second end of fixed plate, just the first end and the second end of fixed plate are just right the position department of magnetism slide all is provided with the electro-magnet.

2. The magnetic drive type quadriceps femoris training device according to claim 1, wherein: training actuating mechanism is still including being used for sliding connection the magnetism slide with the sliding connection subassembly of slide bar, sliding connection subassembly including have the installation cavity connect with rotate in two at least centre gripping wheels in the installation cavity, connect the shell with the magnetism slide orientation the lower bottom surface fixed connection of fixed plate, the slide bar runs through connect the shell and centre gripping in at least two between the centre gripping wheel.

3. The magnetic drive type quadriceps femoris training device according to claim 2, wherein: the connecting shell is provided with a first open end and a second open end which are arranged oppositely, and the sliding rod penetrates through the first open end and the second open end; four clamping wheels are arranged in the installation cavity, two clamping wheels are arranged at the first open end and clamp the part of the sliding rod close to the first open end, and the other two clamping wheels are arranged at the second open end and clamp the part of the sliding rod close to the second open end.

4. The magnetic drive type quadriceps femoris training device according to claim 2, wherein: the training actuating mechanism comprises two groups of sliding connection assemblies with the same structure, the two opposite side parts of the fixed plate are provided with the sliding rods, and the magnetic sliding plate is connected with the two sliding rods in a sliding mode through the two sliding connection assemblies respectively.

5. The magnetic drive type quadriceps femoris training device according to claim 2, wherein: the magnetic sliding plate deviates from the upper surface of the fixing plate and is provided with a base plate, and the pedal is fixed to the end part of the seat deviating from the magnetic sliding plate and extends towards one side where the base plate is located in a protruding mode.

6. The magnetic drive type quadriceps femoris training device according to claim 1, wherein: the first end of the fixed plate is provided with a first connecting plate in a protruding mode, the second end of the fixed plate is provided with a second connecting plate in a protruding mode, and two opposite end portions of the sliding rod are fixedly connected with the first connecting plate and the second connecting plate respectively.

7. The magnetic drive type quadriceps femoris training device according to any one of claims 1 to 6, wherein: the magnetic drive type quadriceps femoris muscle trainer further comprises a support for supporting the fixed plate and the seat, the support comprises a first supporting rod, a second supporting rod and a third supporting rod, the first end of the fixed plate is connected with the first supporting rod, one end, far away from the second supporting rod, of the first supporting rod is provided with an extending section extending out of the fixed plate, the second end of the fixed plate is connected with the second supporting rod, the first supporting rod, the second supporting rod and the fixed plate are enclosed to form a triangular structure, and the end, far away from the fixed plate, of the seat is connected with the extending section of the first supporting rod through the third supporting rod.

8. The magnetic drive quadriceps training device of claim 7, wherein: the included angle formed between the first supporting rod and the second supporting rod is 90-120 degrees.

9. The magnetic drive quadriceps training device of claim 7, wherein: the seat is characterized in that a first connecting lug is arranged at the position where the first supporting rod is connected with the third supporting rod, a second connecting lug is arranged at the position where the seat is connected with the third supporting rod, and two opposite end parts of the third supporting rod are respectively connected with the first connecting lug and the second connecting lug.

10. The magnetic drive quadriceps training device of claim 7, wherein: the support is characterized by further comprising an auxiliary connecting rod arranged on one side, deviating from the magnetic sliding plate, of the fixing plate, two opposite end portions of the auxiliary connecting rod are fixedly connected with the first supporting rod and the second supporting rod respectively, and a holding handle used for being held by a user is arranged on the auxiliary connecting rod.

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