Lower limb exercise device

Abstract

The utility model relates to the technical field of exercise devices, and discloses a lower limb exercise device which comprises a bed body, and a frame body is arranged at the top of the bed body; the pedal exercise mechanism is arranged at one end of the frame body; the bed body is provided with an adjusting assembly, and the adjusting assembly is characterized in that one end of a cross rod penetrates through the inner side wall of the frame body and is connected with the bed body; according to the exercise device, the shell is controlled to rotate through the adjusting assembly, so that a gear is meshed with a rack, a sliding block is adjusted to slide in a sliding groove, a connecting rod is driven to push a frame body to move and adjust the position of a pedal exercise mechanism, and meanwhile, the shell can be stabilized and cannot rotate through connection of a plug pin and a positioning hole; and compared with an existing device, the efficiency of driving the sliding block to move through meshing of the rack and the gear is higher, and operation can be more convenient only by controlling the rotary disc during adjustment. According to the exercise device, a pressing plate is adjusted to move downwards through a friction force adjusting assembly by means of bolts, so that the pressing plate is attached to a disc on the pedal exercise mechanism, friction force can be adjusted, and a patient can exercise conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to exercise device technical field, concretely is a lower limbs exercise device. BACKGROUND

[0002] At present, in the clinical treatment and rehabilitation process after operation, the food intake of most patients is reduced or the bed activity is reduced for different time, the lower limbs of the patients are not fully exercised, the blood is concentrated, the blood flow rate is reduced and other reasons, so that some patients appear lower limb deep vein thrombosis, muscle atrophy and other complications, which seriously affects the rehabilitation of the patients and greatly increases the pain of the patients. The existing lower limb exercise device is similar to a bicycle, the user places the feet on the pedal, then the two feet rotate the pedal alternately, so as to exercise the lower limbs.

[0003] Chinese utility model CN217908226U a bedridden patient lower limb exercise device designs a lower limb exercise device that can be adjusted, its principle is just through pulling the pull to drive the bolt and the positioning hole to separate to remove the fixation to the bidirectional screw rod, then through rotating the bidirectional screw rod to drive the sliding block to slide on the bidirectional screw rod to drive the support rod to rotate, so as to adjust the position of the foot pedal exercise device on the sickbed, which is convenient for various patient needs.

[0004] But the existing device needs to rotate the threaded rod when adjusting the position of the foot pedal exercise mechanism on the sickbed, and needs to pull the pull at the same time, so that the bolt and the positioning hole always keep separated state, and at the same time, the bidirectional screw rod is rotated, which is not convenient to operate. At the same time, the operation of the screw rod rotating to control the sliding block moving is low in efficiency, and it takes a long time in the adjustment process. Therefore, aiming at the problems put forward above, a lower limb exercise device adjusting mechanism is designed, which is more convenient and efficient in operation. UTILITY MODEL CONTENTS

[0005] (I) technical problems solved

[0006] In view of the defects of the prior art, the utility model provides a lower limb exercise device, which has the advantages of convenient operation when adjusting the foot pedal exercise mechanism, and solves the problem that the existing device is not convenient to use and operate.

[0007] (II) technical scheme

[0008] To achieve the above object, the utility model provides the following technical scheme: a lower limb exercise device, include: the top of bed body is provided with frame body; footboard exercise mechanism sets up in one end of frame body, be provided with adjusting assembly on the bed body, adjusting assembly includes: the one end of cross bar is connected with the bed body through the inside wall of frame body, the slide groove is opened in the bed body, the sliding block is slidably arranged in the inside of slide groove, the connecting rod is rotatably arranged on both sides of frame body, and the other end of connecting rod is rotatably connected with sliding block, the rack is arranged on the sliding block, the casing is arranged on the bed body, the positioning hole is opened in the outside wall of bed body, the gear is arranged on the outside wall of casing and is engaged with rack, one end of rectangular rod is inserted into the inside of casing, the bolt is arranged in the inside of casing, and one side of the inserted rod is inserted into the inside of positioning hole, and the other side is connected with rectangular rod, the spring is sleeved on the outside of rectangular rod.

[0009] In some embodiments, the positioning hole and the inserted rod on the bolt are each provided with eight.

[0010] In some embodiments, the adjusting assembly further includes: a baffle is arranged at one end of the cross bar.

[0011] In some embodiments, the adjusting assembly further includes: a turntable is arranged at one end of the outside wall of the rectangular rod.

[0012] In some embodiments, the adjusting assembly further includes: a cone is arranged at one end of the bolt.

[0013] In some embodiments, a friction force adjusting assembly is arranged on the frame body, and the friction force adjusting assembly includes: an L-shaped plate is arranged on the top of the frame body; a bolt is inserted into the L-shaped plate and is threadedly connected with the bolt; a pressing plate is rotatably arranged at the bottom end of the bolt and is attached to the inside wall of the L-shaped plate on one side.

[0014] In some embodiments, the inside of the pressing plate is arc-shaped.

[0015] In some embodiments, the friction force adjusting assembly further includes: a rubber bump is arranged on the inside wall of the pressing plate.

[0016] (Three) beneficial effects

[0017] Compared with the prior art, the utility model provides a lower limb exercise device, which has the following beneficial effects:

[0018] 1、The exercise device, by adjusting assembly using control shell rotation makes gear and rack meshing adjustment sliding block inside the sliding slot and drive connecting rod to push the frame to move to adjust the position of the pedal exercise mechanism, while using the bolt and positioning hole connection can stabilize the shell does not rotate. Compared with the existing device, the rack and pinion meshing drive sliding block moves more efficiently, and only needs to control the turntable when adjusting, which is more convenient to operate.

[0019] 2、The exercise device, by friction force adjusting assembly using bolt to adjust the pressure plate to move down makes the pressure plate and the disc on the pedal exercise mechanism to fit can adjust the friction force, which is convenient for patients to exercise. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The structure schematic view of the present application;

[0021] Figure 2 The structure schematic view of the second perspective of the present application;

[0022] Figure 3 The structure schematic view of the positioning hole and the bed body connection of the present application;

[0023] Figure 4 The structure schematic view of the shell inside of the present application;

[0024] Figure 5 The structure schematic view of the L-shaped plate and the frame separation of the present application.

[0025] In the figure: 11, bed body; 12, frame; 13, pedal exercise mechanism;

[0026] 2, adjusting assembly; 21, cross bar; 211, baffle; 22, sliding slot; 23, sliding block; 24, connecting rod; 25, rack; 26, shell; 261, positioning hole; 27, gear; 28, rectangular rod; 281, turntable; 29, bolt; 291, spring; 292, cone;

[0027] 3, friction force adjusting assembly; 31, L-shaped plate; 32, bolt; 33, pressure plate; 34, rubber block. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0029] It should be noted that all directionality indications in the embodiments of the present application are only used to explain the relative positional relationship and movement between components in a certain posture, and if the certain posture changes, the directionality indications will also change accordingly.

[0030] In the present application, unless specifically defined and limited otherwise, the terms "connection", "fixation" and the like should be understood in a broad sense, for example, "fixation" can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection; can be direct connection, or indirect connection through an intermediate medium; can be internal connection of two elements or interaction relationship between two elements, unless otherwise specifically limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0031] In addition, the description involving "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on the fact that a person skilled in the art can realize it, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor within the protection scope claimed by the present application.

[0032] At present, most patients in clinical practice reduce the amount of food intake or need to reduce the amount of bed activity at different times during postoperative treatment and rehabilitation, the patient's lower limbs are not fully exercised, the blood is concentrated, the blood flow is slowed down, and other reasons, resulting in some patients developing complications such as deep vein thrombosis of the lower limbs and muscle atrophy, which seriously affects the patient's recovery and greatly increases the patient's suffering. The existing lower limb exercise device is similar to a bicycle, the user places his feet on the pedal, then the two feet alternately rotate the pedal, thereby exercising the lower limbs.

[0033] In the related art, the position of the pedal exercise device on the hospital bed is adjusted by pulling the pull to separate the latch from the positioning hole to release the fixation of the bidirectional screw rod, then rotating the bidirectional screw rod to drive the sliding block to slide on the bidirectional screw rod to approach the support rod to rotate, thereby adjusting the position of the pedal exercise device on the hospital bed to facilitate the needs of various patients. However, when adjusting the position of the pedal exercise mechanism on the hospital bed, the existing device needs to rotate the threaded rod, and at the same time, the latch and the positioning hole need to be kept separated by rotating the pull, and at the same time, the bidirectional screw rod needs to be rotated, which is not convenient to operate. At the same time, the efficiency of the operation of the screw rod rotating to control the movement of the sliding block is low, and a long time is spent in the adjustment process.

[0034] To solve the problems in the related art to some extent, the embodiment of the present application provides a lower limb exercise device. When it is necessary to adjust the position of the foot exercise mechanism 13 on the bed body 11 and different heights are applicable, only the rectangular rod 28 needs to be pulled to drive the bolt 29 to move in the inside of the shell 26, to be separated from the positioning hole 261, to compress the compression spring 291, to release the restriction on the shell 26, and then the rectangular rod 28 is rotated to drive the shell 26 to rotate, so that the gear 27 is engaged with the rack 25 and drives the rack 25 to move, so that the sliding block 23 moves in the inside of the sliding groove 22, so that the two sliding blocks 23 are close to each other, and simultaneously drive the connecting rod 24 to rotate to push the frame 12 away from the bed plate on the bed body 11 to slide on the cross rod 21 to drive the foot exercise mechanism 13 to move and adjust the position, and after the position is adjusted to the appropriate position, the spring 291 of the rectangular rod 28 is released to drive the bolt 29 to move in the inside of the shell 26 and to be inserted into the inside of the positioning hole 261 to fix the rectangular rod 28 and to restrict the rotation of the shell 26 to stabilize the position of the foot exercise mechanism 13, and then the patient lies flat on the bed body 11, inserts the feet into the inside of the foot exercise mechanism 13, and exercises the lower limbs.

[0035] The present application will be described below in combination with the drawings and with reference to specific embodiments:

[0036] In combination with the drawings and the specific embodiments, Figures 1-5 The embodiment of the present application provides a lower limb exercise device, which comprises a bed body 11, a frame 12 arranged at the top of the bed body 11, a foot exercise mechanism 13 arranged at one end of the frame 12, an adjusting assembly 2 arranged on the bed body 11, a cross rod 21 arranged at one end of the frame 12 and connected with the bed body 11, a sliding groove 22 arranged on the bed body 11, a sliding block 23 arranged in the inside of the sliding groove 22, a connecting rod 24 rotatably arranged at two sides of the frame 12 and rotatably connected with the sliding block 23 at the other end of the connecting rod 24, a rack 25 arranged on the sliding block 23, a shell 26 arranged on the bed body 11, a positioning hole 261 arranged on the outer side wall of the bed body 11, a gear 27 arranged on the outer side wall of the shell 26 and engaged with the rack 25, a rectangular rod 28 inserted into the inside of the shell 26 at one end, a bolt 29 arranged in the inside of the shell 26 and inserted into the inside of the positioning hole 261 at one side and connected with the rectangular rod 28 at the other side, and a spring 291 sleeved on the outer side of the rectangular rod 28.

[0037] Specifically, the foot exercise mechanism 13 is similar to a unicycle rotating structure and exercises the lower limbs by rotating through the patient's feet.

[0038] When it is needed to adjust the position of the pedal exercise mechanism 13 on the bed body 11, and different heights are needed, only the rectangular rod 28 is pulled, so that the rectangular rod 28 drives the plug 29 to move in the inside of the shell 26, and the compression spring 291 is compressed, the restriction of the shell 26 is released, then the rectangular rod 28 is rotated, and the shell 26 is rotated, so that the gear 27 is engaged with the rack 25, and the rack 25 is driven to move, so that the two sliding blocks 23 are close to each other, and the connecting rod 24 is rotated, the frame 12 is pushed away from the bed plate on the bed body 11, and slides on the cross rod 21, so that the pedal exercise mechanism 13 is moved and adjusted, and after being adjusted to the appropriate position, the rectangular rod 28 is released, the spring 291 is rebounded, the plug 29 is moved in the inside of the shell 26, and is inserted into the positioning hole 261, so that the rectangular rod 28 is fixed, the rotation of the shell 26 is limited, and the position of the pedal exercise mechanism 13 is stabilized, then the patient lies on the bed body 11, inserts the feet into the inside of the pedal exercise mechanism 13, and exercises the lower limbs.

[0039] In some embodiments, the positioning hole 261 and the plug rod on the plug 29 are both provided with eight.

[0040] Eight are provided when in use, so that the plug 29 can be aligned with the positioning hole 261 by rotating a small angle when positioning, and the shell 26 is fixed.

[0041] In some embodiments, the adjustment assembly 2 further comprises: a baffle 211 provided on one end of the cross rod 21.

[0042] When in use, the design of the baffle 211 can limit the frame 12 from being separated from the cross rod 21.

[0043] In some embodiments, the adjustment assembly 2 further comprises: a rotating disc 281 provided on the outer side wall of one end of the rectangular rod 28.

[0044] When in use, the design of the rotating disc 281 is convenient to grip, so as to control the rotation of the rectangular rod 28, and adjust the position of the sliding block 23.

[0045] In some embodiments, the adjustment assembly 2 further comprises: a cone 292 provided on one end of the plug 29.

[0046] When in use, the design of the cone 292 can make it relatively easy for the plug 29 to be inserted into the inside of the positioning hole 261.

[0047] In some embodiments, the frame 12 is provided with a friction force adjusting assembly 3, the friction force adjusting assembly 3 comprising: an L-shaped plate 31 arranged on the top of the frame 12; a bolt 32 inserted into the L-shaped plate 31 at the bottom end and threadedly connected with the bolt 32; and a pressing plate 33 rotationally arranged at the bottom end of the bolt 32 and abutting against the inner side wall of the L-shaped plate 31 on one side.

[0048] In use, the friction force of the pedal exercise mechanism 13 can be adjusted according to the exercise condition of the patient, and only the bolt 32 needs to be rotated to move the bolt 32 downward to push the pressing plate 33 to abut against the disc on the pedal exercise mechanism 13, so that the resistance can be increased, and more force is required during exercise.

[0049] In some embodiments, the inner side of the pressing plate 33 is arc-shaped.

[0050] In use, the arc-shaped design can better abut against the disc and have better friction effect.

[0051] In some embodiments, the friction force adjusting assembly 3 further comprises: a rubber bump 34 arranged on the inner side wall of the pressing plate 33.

[0052] In use, the design of the rubber bump 34 can better increase the friction force, and the design of the rubber bump 34 can also reduce damage to the disc.

[0053] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", "some examples" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in the present specification.

[0054] In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the fact that a person skilled in the art can realize it, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor is it within the scope of protection required by the present application.

[0055] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, replacements and variations of the embodiments can be made without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A lower limb exercise device, comprising: a bed body (11) provided with a frame (12) on the top; a foot exercise mechanism (13) provided at one end of the frame (12); characterized in that the bed body (11) is provided with an adjusting assembly (2), the adjusting assembly (2) comprising: a crossbar (21) connected with the bed body (11) at one end penetrating the inner side wall of the frame (12); a sliding groove (22) opened on the bed body (11); a sliding block (23) slidingly arranged in the sliding groove (22); a connecting rod (24) rotatably arranged on both sides of the frame (12), and the other end of the connecting rod (24) is rotatably connected with the sliding block (23); a rack (25) arranged on the sliding block (23); a housing (26) arranged on the bed body (11); a positioning hole (261) opened on the outer side wall of the bed body (11); a gear (27) arranged on the outer side wall of the housing (26) and engaged with the rack (25); a rectangular rod (28) inserted into the interior of the housing (26) at one end; a latch (29) arranged in the interior of the housing (26) and having one side of the insertion rod inserted into the interior of the positioning hole (261) and the other side connected with the rectangular rod (28); a spring (291) sleeved on the outer side of the rectangular rod (28).

2. An exercise device for the lower limbs as claimed in claim 1 wherein: Both the positioning hole (261) and the insertion rod of the latch (29) are provided with eight.

3. An exercise device for the lower limbs as claimed in claim 1 wherein: The adjusting assembly (2) further comprises: a baffle (211) arranged at one end of the crossbar (21).

4. An exercise device for the lower limbs as claimed in claim 1 wherein: The adjusting assembly (2) further comprises: a turntable (281) arranged on the outer side wall of one end of the rectangular rod (28).

5. An exercise device for the lower extremities as defined in claim 1, wherein: The adjusting assembly (2) further comprises: a cone (292) arranged at one end of the latch (29).

6. An exercise device for the lower extremities as defined in claim 1, wherein: The frame (12) is provided with a friction force adjusting assembly (3), the friction force adjusting assembly (3) comprising: an L-shaped plate (31) arranged on the top of the frame (12); a bolt (32) inserted into the L-shaped plate (31) at the bottom and threadedly connected with the bolt (32); a pressing plate (33) rotatably arranged at the bottom of the bolt (32) and having one side abutting against the inner side wall of the L-shaped plate (31).

7. A lower body exercise device according to claim 6, wherein: The inner side of the pressing plate (33) is arc-shaped.

8. An exercise device for the lower limbs as claimed in claim 6 wherein: The friction force adjusting assembly (3) further comprises: a rubber bump (34) arranged on the inner side wall of the pressing plate (33).

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