CN212141338U

CN212141338U - Lower limb strength auxiliary trainer

Info

Publication number: CN212141338U
Application number: CN202020646394.9U
Authority: CN
Inventors: 樊永强
Original assignee: SICHUAN UNIVERSITY OF ARTS AND SCIENCE
Current assignee: SICHUAN UNIVERSITY OF ARTS AND SCIENCE
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2020-12-15
Anticipated expiration: 2030-04-26

Abstract

The utility model provides a lower limb strength auxiliary trainer, which comprises a trainer shell (1), an L-shaped bracket (2) and a vacuum sucker (3); the trainer shell (1) comprises an electronic display screen (11), a square hole (12), a control system (13), a driving motor (14), a transmission gear (15), a rotating rod (16), an elastic belt (17) and a fixing rod (18). The trainer can adjust the training intensity and the size of the joint according to different users, prevent muscle fatigue or injury caused by over-training and avoid the influence on the training effect caused by using fixed trainers by different users; simultaneously, this training ware elastic webbing (17) can twine and withdraw, saves and occupies the space when not using to effectual solved the problem that low limbs strength training device space occupies too big, and this training ware supports stably, and light in weight is convenient for carry, is applicable to different crowds' low limbs strength training.

Description

Lower limb strength auxiliary trainer

Technical Field

The utility model relates to a body-building apparatus technical field, concretely relates to low limbs strength training aid.

Background

With the improvement of living standard, people pay more and more attention to strengthening physical exercise and strengthening physique. At present, when people carried out physical training, the sport equipment of using generally mostly was the sport equipment who tempers the arm strength, and is still comparatively less to the sport equipment that the shank was tempered, and current shank strength training generally is through bearing a burden or bearing a burden deep squat at the shank to temper shank strength, though have certain effect like this, training like this for a long time, if improper, injured phenomenon appears easily in the training person, influences the effect of taking exercise.

Meanwhile, most of the lower limb strength trainers in the prior art are shape fixing devices, and can not be adjusted correspondingly according to different user habits, so that the exercise effect of a user is poor; moreover, the large-scale lower limb strength trainer occupies a large space, so that the floor area of the training device is large, and when the training device is not used, the occupation of the space brings inconvenience to a user, and the requirement of a family or a small training field cannot be met.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model aims to provide a lower limb strength auxiliary trainer which can be adjusted according to different users and meet the requirements of different people; simultaneously, this training ware can also adjust training intensity, prevents that muscle fatigue from appearing. The trainer has the advantages of stable support, light weight, convenience in carrying and low space occupancy rate when not used.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides a lower limbs strength training aid which characterized in that: the training device comprises a training device shell, wherein the left side, the right side and the rear side of the training device shell are respectively and fixedly connected with an L-shaped support, and one side of the L-shaped support, which is far away from the training device shell, is fixedly connected with a vacuum chuck; an electronic display screen is mounted at the upper end of the front side of the trainer shell, and two square holes are symmetrically formed in the lower end of the trainer shell; the training machine shell comprises a control system, a driving motor, a transmission gear, a rotating rod and an elastic belt; the control system is positioned in the middle of the trainer shell and is far away from one side of the square hole; the driving motor is adjacent to the control system and is positioned on one side, close to the square hole, of the control system, the driving motor is a double-headed motor, and output shafts on two sides of the driving motor are connected with the transmission gear; the transmission gear is arranged on one side, close to the square hole, of the driving motor, the centers of the two transmission gears are fixed in the trainer shell through a fixed rod, the fixed rod is rotatably connected with the center of the transmission gear and is fixedly connected with the inner wall of the trainer shell, a cross-shaped positioning hole is formed in the center of the transmission gear, a cross-shaped positioning block is arranged on the fixed rod corresponding to the cross-shaped positioning hole, and the cross-shaped positioning block is connected with the fixed rod in a sliding mode and is located on one side, far away from the driving motor; the rotating rod is connected with the transmission gear through an input shaft, the input shaft is coaxial with the rotating rod, and the input shaft is fixedly connected with the rotating rod and is connected with the transmission gear through a gear; elastic webbing includes flexible part and fixed portion, flexible part one end winding is in on the dwang, the other end passes through the quad slit stretches out training ware casing and with the fixed portion is connected, flexible part sets up force transducer with the fixed portion junction.

Further optimization is carried out, a connecting block and a clamping block are arranged at one end of the fixed part, which is far away from the telescopic part, and mounting holes are uniformly arranged at one end of the fixed part, which is close to the telescopic part; the connecting block is fixedly connected with the end face of the fixed part, and the clamping block is fixedly connected with the end face of one side of the connecting block, which is far away from the fixed part.

Further optimization is carried out, the mounting hole, the connecting block and the fixture block are all circular, the diameter of the connecting block is smaller than that of the mounting hole, and the diameter of the fixture block is larger than that of the mounting hole; the thickness of the connecting block is larger than that of the elastic belt.

And the cross positioning block is controlled to slide by an electric telescopic rod arranged on the fixed rod.

Further optimization is carried out, a control button area is arranged at the upper end of the trainer shell, and a control button is arranged in the control button area and used for driving and controlling the motor to rotate and further controlling the length of the elastic band.

Further optimization is carried out, and an alarm device is arranged at the upper end of the shell of the training machine and used for reminding faults of blocking of a driving motor, non-working of an electronic display screen and the like and overload of training.

Further optimization is carried out, and the electronic display screen, the driving motor, the electric telescopic rod, the tension sensor, the control button and the alarm device are electrically connected with the control system.

Further optimized, the control system comprises a power supply module, a control module, a driving module, a storage module and a counting module.

The utility model discloses has following technological effect:

the utility model realizes the fixation of the auxiliary trainer on the ground through the L-shaped bracket and the vacuum chuck, has large suction force and good three-point positioning and fixing effect, and avoids the auxiliary trainer moving in the training process to influence the training effect or damage the body health of a user; the length of the elastic belt is adjusted by driving the motor, the transmission gear and the rotating rod, so that the training intensity is adjusted, meanwhile, the self-locking of the transmission gear is realized by the cross positioning block and the cross positioning hole, and the phenomenon that the training effect is influenced by the fact that the transmission gear rotates to extend the elastic belt in the training process is avoided; through connecting block, fixture block and mounting hole, can adjust hookup location's size to avoid the junction too loose to influence the training or tension and strain skin excessively, make its demand that can adapt to different users.

The utility model discloses the support elastic webbing can twine and withdraw, saves occuping of space when not using to the effectual low limbs strength training device space that has solved occupies too big problem. The trainer has the advantages of stable support, light weight and convenient carrying, and is suitable for lower limb strength training of different crowds.

Drawings

Fig. 1 is a front schematic view of the lower limb strength training aid of the present invention.

Fig. 2 is a sectional view taken along line a-a of fig. 1.

Fig. 3 is a sectional view taken along line B-B of fig. 2.

Fig. 4 is a partially enlarged view of fig. 3 in the direction C.

Fig. 5 is a schematic structural view of the elastic band of the training aid of the present invention.

Fig. 6 is a partial view of fig. 5 taken along line D-D.

Fig. 7 is a schematic view of the present invention in use.

Wherein, 1, a trainer shell; 11. an electronic display screen; 12. a square hole; 13. a control system; 14. a drive motor; 141. an output shaft; 15. a transmission gear; 151. a cross positioning hole; 16. rotating the rod; 161. an input shaft; 17. an elastic band; 171. a telescoping portion; 172. a fixed portion; 1721. mounting holes; 1722. connecting blocks; 1723. a clamping block; 173. a tension sensor; 18. fixing the rod; 181. a cross positioning block; 182. an electric telescopic rod; 101. a control button zone; 1011. a control button; 102. an alarm device; 2. an "L" shaped bracket; 3. and (4) vacuum chuck.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 6, a lower limb strength auxiliary trainer is characterized in that: the training device comprises a training device shell 1, wherein the left side, the right side and the rear side of the training device shell 1 are respectively and fixedly connected with an L-shaped support 2, and one side of the L-shaped support 2, which is far away from the training device shell 1, is fixedly connected with a vacuum chuck 3; an electronic display screen 11 is arranged at the upper end of the front side of the trainer shell 1, and two square holes 12 are symmetrically formed at the lower end of the trainer shell; the trainer shell 1 internally comprises a control system 13, a driving motor 14, a transmission gear 15, a rotating rod 16 and an elastic belt 17; the control system 13 is positioned in the middle of the trainer shell 1 and is far away from one side of the square hole 12; the driving motor 14 is adjacent to the control system 13, the driving motor 14 is positioned on one side of the control system 13 close to the square hole 12, the driving motor 14 is a double-head motor, and output shafts 141 on two sides of the driving motor 14 are in gear connection with the transmission gear 15; the transmission gear 15 is arranged on one side, close to the square hole 12, of the driving motor 14, the centers of the two transmission gears 15 are fixed in the trainer shell 1 through a fixing rod 18, the fixing rod 18 is rotatably connected with the center of the transmission gear 15 and fixedly connected with the inner wall of the trainer shell 1, the center of the transmission gear 15 is provided with a cross positioning hole 151, a cross positioning block 181 is arranged on the fixing rod 18 corresponding to the cross positioning hole 151, and the cross positioning block 181 is in sliding connection with the fixing rod 18 and is positioned on one side, far away from the driving motor; the cross positioning block 181 is controlled to slide by an electric telescopic rod 182 arranged on the fixing rod 18. The rotating rod 16 is connected with the transmission gear 15 through an input shaft 161, the input shaft 161 is coaxial with the rotating rod 16, and the input shaft 161 is fixedly connected with the rotating rod 16 and is in gear connection with the transmission gear 15; the elastic band 17 includes a flexible portion 171 and a fixed portion 172, one end of the flexible portion 171 is wound around the rotating rod 16, the other end of the flexible portion extends out of the trainer housing 1 through the square hole 12 and is connected with the fixed portion 172, and a tension sensor 173 is disposed at the connection of the flexible portion 171 and the fixed portion 172. A connecting block 1722 and a clamping block 1723 are arranged at one end of the fixing portion 172 far away from the telescopic portion 171, mounting holes 1721 are uniformly arranged at one end close to the telescopic portion 171, the connecting block 1722 is fixedly connected with the end surface of the fixing portion 172, and the clamping block 1723 is fixedly connected with the end surface of one side of the connecting block 1722 far away from the fixing portion 172; the mounting hole 1721, the connecting block 1722 and the clamping block 1723 are all circular, the diameter of the connecting block 1722 is smaller than that of the mounting hole 1721, and the diameter of the clamping block 1723 is larger than that of the mounting hole 1721; the thickness of the connecting piece 1722 is greater than the thickness of the elastic band 17.

The upper end of the trainer shell 1 is provided with a control button area 101, and a control button 1011 is arranged in the control button area 101 and used for controlling the rotation of the driving motor 14 and further controlling the length of the elastic belt 17. The upper end of the trainer shell 1 is provided with an alarm device 102 for reminding the driving motor 14 of being stuck, the electronic display screen 11 of not working and other faults and overload training.

The electronic display screen 11, the driving motor 14, the electric telescopic rod 182, the tension sensor 173, the control button 1011, the alarm device 102 and the control system 13 are electrically connected. The control system 13 comprises a power supply module, a control module, a driving module, a storage module and a counting module; the power supply module is used for providing power supplies required by the electronic display screen 11, the driving motor 14, the electric telescopic rod 182, the tension sensor 173, the alarm device 102, the control system 13 and the like; the control module is used for receiving signals sent by the control button 1011, signals fed back by the tension sensor 173 and sending signal instructions to the driving module, the electronic display screen 11, the alarm device 102 and the like; the driving module is used for controlling the driving motor 14 to operate; the storage module is used for storing data of each exercise and exercise common settings; the counting module is used for recording the stretching times, for example, the increase of the tension sensor 173 is counted once, so that the times of core strength training of a user can be recorded, the user can exercise conveniently, and muscle fatigue caused by excessive times can be avoided.

The working principle is as follows: firstly, the trainer shell 1 is fixed on the ground through the vacuum chuck 3, then two elastic belts 17 are respectively fixed on the ankle of a user, the elastic belts 17 are fixed on the ankle of the user through the connecting block 1722 and the fixture block 1723 which are clamped in from one side of the mounting hole 1721 and the fixture block 1722 which is exposed out of the other side of the mounting hole 1721, and the size of the fixing part 172 is adjusted through the relative positions of the connecting block 1722, the fixture block 1723 and the mounting hole 1721 so as to adapt to the sizes of the ankles of different users. The user adjusts the control button 1011 according to the requirement of the training intensity, the control button 1011 feeds back a signal to the control system 13, and the control system 13 controls the driving motor 14 to rotate, so as to contract or extend the length of the elastic belt 17; when the elastic belt 17 reaches the required set value, the control system 13 controls the electric telescopic rod 182 to extend, so that the cross positioning block 181 slides on the fixing rod and is clamped into the cross positioning hole 151, the transmission gear 15 and the rotating rod 16 are locked, and the rotating rod 16 is prevented from rotating due to the action of leg tension in the training process and influencing the training effect. As shown in fig. 7, during the training process, the user holds the user's hands on the frame or the wall surface, connects the right elastic band 17 to the right ankle, connects the left elastic band 17 to the left ankle, and then quickly performs the mountain-climbing running exercise by both feet; the resistance device is used for various lower limb strength exercises.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lower limbs strength training aid which characterized in that: the training device comprises a training device shell (1), wherein the left side, the right side and the rear side of the training device shell (1) are respectively fixedly connected with an L-shaped support (2), and one side, far away from the training device shell (1), of the L-shaped support (2) is fixedly connected with a vacuum chuck (3); an electronic display screen (11) is arranged at the upper end of the front side of the trainer shell (1), and two square holes (12) are symmetrically formed at the lower end of the trainer shell; the trainer shell (1) internally comprises a control system (13), a driving motor (14), a transmission gear (15), a rotating rod (16) and an elastic belt (17); the control system (13) is positioned in the middle of the trainer shell (1) and is far away from one side of the square hole (12); the driving motor (14) is adjacent to the control system (13), the driving motor (14) is located on one side, close to the square hole (12), of the control system (13), the driving motor (14) is a double-head motor, and output shafts (141) on two sides of the driving motor (14) are in gear connection with the transmission gear (15); the transmission gear (15) is arranged on one side, close to the square hole (12), of the driving motor (14), the centers of the two transmission gears (15) are fixed in the trainer shell (1) through a fixing rod (18), the fixing rod (18) is in rotary connection with the center of the transmission gear (15) and is fixedly connected with the inner wall of the trainer shell (1), a cross-shaped positioning hole (151) is formed in the center of the transmission gear (15), a cross-shaped positioning block (181) is arranged on the fixing rod (18) corresponding to the cross-shaped positioning hole (151), and the cross-shaped positioning block (181) is in sliding connection with the fixing rod (18) and is located on one side, far away from the driving motor (14), of the transmission gear (15); the rotating rod (16) is connected with the transmission gear (15) through an input shaft (161), the input shaft (161) is coaxial with the rotating rod (16), and the input shaft (161) is fixedly connected with the rotating rod (16) and is in gear connection with the transmission gear (15); elastic webbing (17) are including flexible portion (171) and fixed portion (172), flexible portion (171) one end winding is in on dwang (16), the other end passes through quad slit (12) stretch out training ware casing (1) and with fixed portion (172) are connected, flexible portion (171) and fixed portion (172) junction sets up tension sensor (173).

2. The lower limb strength training aid of claim 1, wherein: one end of the fixed part (172) far away from the telescopic part (171) is provided with a connecting block (1722) and a clamping block (1723), and one end of the fixed part close to the telescopic part (171) is uniformly provided with mounting holes (1721); the connecting block (1722) is fixedly connected with the end face of the fixing part (172), and the clamping block (1723) is fixedly connected with the end face of one side, far away from the fixing part (172), of the connecting block (1722).

3. The lower limb strength training aid of claim 2, wherein: the mounting hole (1721), the connecting block (1722) and the clamping block (1723) are all circular, the diameter of the connecting block (1722) is smaller than that of the mounting hole (1721), and the diameter of the clamping block (1723) is larger than that of the mounting hole (1721); the thickness of the connecting block (1722) is larger than that of the elastic band (17).

4. The lower limb strength training aid of claim 1, wherein: the cross positioning block (181) is controlled to slide by an electric telescopic rod (182) arranged on the fixing rod (18).

5. The lower limb strength training aid of claim 1, wherein: the upper end of the trainer shell (1) is provided with a control button area (101), and a control button (1011) is arranged in the control button area (101).

6. The lower limb strength training aid of claim 5, wherein: an alarm device (102) is arranged at the upper end of the trainer shell (1).

7. The lower limb strength training aid of claim 6, wherein: the electronic display screen (11), the driving motor (14), the electric telescopic rod (182), the tension sensor (173), the control button (1011) and the alarm device (102) are electrically connected with the control system (13).

8. The lower limb strength training aid of claim 1, wherein: the control system (13) comprises a power supply module, a control module, a driving module, a storage module and a counting module.