CN214260518U - Stretching device for physical training - Google Patents
Stretching device for physical training Download PDFInfo
- Publication number
- CN214260518U CN214260518U CN202120337931.6U CN202120337931U CN214260518U CN 214260518 U CN214260518 U CN 214260518U CN 202120337931 U CN202120337931 U CN 202120337931U CN 214260518 U CN214260518 U CN 214260518U
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- China
- Prior art keywords
- base
- push rod
- strip
- stretching device
- friction plate
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- Expired - Fee Related
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- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 210000003127 knee Anatomy 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 230000003044 adaptive effect Effects 0.000 abstract description 2
- 210000003489 abdominal muscle Anatomy 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of sports training equipment, a stretching device for physical training is disclosed, including the base, it has pedal portion to articulate at the tip of base, all is equipped with the carriage that extends upwards on the both sides limit of base, is equipped with horizontal push rod between two carriages, all is equipped with the linking arm that extends downwards at horizontal push rod both ends, has seted up the sliding seam on the base, the linking arm end stretches into in the sliding seam, is equipped with the limit arm-tie on the base, the both ends of limit arm-tie are the kink, the kink corresponds to stretch into the sliding seam, is equipped with the extension spring between kink end and linking arm, is equipped with two rows of screw holes along side by side on the base, is equipped with two through-holes on the limit arm-tie, installs fixing bolt in the through-hole, is fixed with the friction disc that is close to corresponding carriage on the linking arm, is equipped with brake mechanism on the base; the method can meet the adaptive adjustment requirements of different people on the tensile strength and the tensile distance, and achieves a better exercise effect in a targeted manner.
Description
Technical Field
The utility model belongs to the technical field of the sports training equipment, in particular to stretching device is used in physical training.
Background
When in physical training, abdominal muscles can be used as the core of human muscle groups and can be strengthened and exercised by auxiliary equipment, the physical training equipment of the type on the existing market has various types and can basically meet the training requirement, but the structure of the current abdominal muscle training device is simpler, for example, Chinese patent with application number of 2019204314010 provides a multi-direction adjustable abdominal muscle plate for physical training, which comprises a vertical supporting frame, a top side supporting soft plate, a lower side supporting soft plate, a buffer spring, a jacking plate, an adjusting screw rod and an adjusting nut; a vertical support frame is fixed on the upper side end of the transverse arc-shaped support frame through a bolt; a top side supporting soft plate is fixed on the upper half part of the upper side surface of the transverse arc-shaped supporting frame through bolts; the lower half part of the upper side surface of the transverse arc-shaped support frame is provided with a lower supporting soft board in a covering mode, the upper side end of the lower supporting soft board is mounted at the lower side end position of the top supporting soft board in a shaft connection mode, and the bottom side end of the lower supporting soft board is of a structural design capable of lifting upwards.
This type of device on the market at present simple structure, the function is single, can not satisfy different people and adjust tensile strength, tensile distance's adaptability, does not reach better exercise effect.
Disclosure of Invention
The utility model aims to provide a combined physical training device for solving the problems in the prior art; the technical scheme adopted for achieving the purpose is as follows:
a stretching device for physical training comprises a base, a pedal part is hinged at the end part of the base, two side edges of the base are respectively provided with a supporting frame extending upwards, a transverse push rod is arranged between the two supporting frames, two ends of the transverse push rod are correspondingly connected in the supporting frames in a sliding way, a holding part is arranged on the transverse push rod, connecting arms extending downwards are arranged at the two end parts of the transverse push rod, a sliding seam is arranged on the base, the tail end of the connecting arm extends into the sliding seam, a tension limiting plate is arranged on the base, two ends of the tension limiting plate are bent parts, the bent parts correspondingly extend into the sliding seam, a tension spring is arranged between the tail end of the bending part and the connecting arm, two rows of threaded holes are arranged on the base in parallel along the sliding seam direction, two through holes are arranged on the pull limiting plate, the positions of the two through holes correspond to the positions of the two rows of threaded holes, and fixing bolts are arranged in the through holes;
the friction plate close to the corresponding support frame is fixed on the connecting arm, and the brake mechanism for performing friction braking on the friction plate is arranged on the base.
Preferably, the brake mechanism comprises a bar-shaped friction plate positioned in the support frame, the bar-shaped friction plate is arranged along the motion direction of the transverse push rod, the bottom of the bar-shaped friction plate is transversely connected to the base in a sliding manner, the bar-shaped friction plate corresponds to the corresponding friction plate in position, a space is arranged between the bar-shaped friction plate and the corresponding friction plate, two first steering wheels are arranged in parallel in the middle of the base, a second steering wheel is arranged below the two first steering wheels, a third steering wheel is arranged at the end part of the base, a pressing block is vertically connected to the end part of the base, which is close to the pedal part, in a sliding manner, a steel wire pull rope is connected to the bottom of the pressing block, the steel wire pull rope sequentially bypasses the top of the third steering wheel and the bottom of the second steering wheel and then is divided into two branch steel wire pull ropes, and the two branch steel wire pull ropes are correspondingly fixed to the bottom of the bar-shaped friction plate after bypassing the first steering wheels; a first pressure spring for jacking the pressing block to reset is arranged in the base, and a second pressure spring for pushing the strip-shaped friction plate to reset towards the outside directions of the two sides is arranged in the base.
Preferably, a knee cushion is arranged on the base close to the support frame.
Preferably, a displacement sensor for detecting the moving distance of the transverse push rod and a stress sensor for detecting the tensile force of the transverse push rod are arranged on the base, a display screen and a control module are arranged in the middle of the transverse push rod, and the displacement sensor and the stress sensor are in signal connection with the control module and display the detection data on the display screen in real time.
Preferably, a balancing weight is arranged on the transverse push rod.
The utility model discloses the beneficial effect who has does: (1) the fixed position of the tension limiting plate on the base is adjusted according to actual conditions to change the distance between the transverse push rod and the tension limiting plate, so that the maximum extension of the tension spring is changed, and different tensile strengths are adjusted to meet the requirements of different exercisers;
(2) through the brake mechanism, the transverse push rod can be quickly and conveniently braked emergently to prevent the occurrence of accidental pull injury in the movement process;
(3) the device can also display the stretching distance and the tension parameters in real time, and has high interactivity;
(4) the method can meet the adaptive adjustment requirements of different people on the tensile strength and the tensile distance, and achieves a better exercise effect in a targeted manner.
Drawings
Fig. 1 is a top view of the present invention;
FIG. 2 is a schematic structural view of a support frame;
FIG. 3 is a top view of the brake mechanism;
fig. 4 is a bottom view of fig. 3.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in figures 1 and 2, the utility model comprises a base 6, a pedal part 1 is hinged on the end of the base 6, two sides of the base 6 are provided with supporting frames 2 extending upwards, a transverse push rod 10 is arranged between the two supporting frames 2, two ends of the transverse push rod 10 are correspondingly connected in the supporting frames 2 in a sliding way, a balancing weight can be arranged on the transverse push rod 10 to increase the texture when pushing, a hand holding part 8 is arranged on the transverse push rod 10, two ends of the transverse push rod 10 are provided with connecting arms extending downwards, a sliding seam 4 is arranged on the base 6, the ends of the connecting arms extend into the sliding seam 4, a pulling limiting plate 13 is arranged on the base 6, two ends of the pulling limiting plate 13 are bent parts which correspondingly extend into the sliding seam 4, a tension spring 5 is arranged between the ends of the bent parts and the connecting arms, two rows of threaded holes 11 are arranged on the base 6 in parallel along the direction of the sliding seam 4, two through holes are arranged on the pull limiting plate 13, the positions of the two through holes correspond to the positions of the two rows of threaded holes 11, and fixing bolts 12 are arranged in the through holes;
a friction plate 7 close to the corresponding support frame 2 is fixed on the connecting arm, and a brake mechanism for performing friction braking on the friction plate 7 is arranged on the base 6.
As shown in fig. 2 to 4, the brake mechanism includes a strip-shaped friction plate 16 located in the support frame 2, the strip-shaped friction plate 16 is arranged along the movement direction of the transverse push rod 10, two ends of the transverse push rod 10 are slidably connected in the sliding grooves 15 of the support frame 2, the bottom of the strip-shaped friction plate 16 is laterally slidably connected to the base 6 through a connecting plate 18, the strip-shaped friction plate 16 corresponds to the corresponding friction plate 7 and has a space therebetween, two first steering wheels 22 are arranged in parallel in the middle of the base 6, a second steering wheel 23 is arranged below the two first steering wheels 22, a third steering wheel 25 is arranged at the end of the base 6, a press block 14 is slidably connected to the end of the base 6 close to the pedal portion 1 up and down, a steel wire rope 24 is connected to the bottom of the press block 14, that is the end of the steel wire rope 24 fixedly connected to the bottom of the press block 14, and the steel wire rope 24 sequentially winds around the top of the third steering wheel 25, The bottom of the second steering wheel 23 is divided into two branch steel wire pull ropes 21, the two branch steel wire pull ropes 21 are respectively wound around the first steering wheel 22 and then correspondingly fixed at the bottom of the strip-shaped friction plate 16, and meanwhile, in order to enable the stress to be more uniform, the two branch steel wire pull ropes 21 are divided into a plurality of connecting steel wire ropes 19, and the tail ends of the plurality of connecting steel wire ropes 19 are uniformly connected to the connecting plate 18; a first pressure spring for jacking the pressing block 14 to reset is arranged in the base 6, and a second pressure spring 17 for pushing the strip-shaped friction plate 16 to reset towards the outside directions of the two sides is arranged in the base 6. A knee pad 3 is arranged on the base 6 near the supporting frame 2.
For increasing the motion interactivity, can also be equipped with the displacement sensor that is used for detecting horizontal push rod 10 displacement distance, be used for detecting the stress sensor that horizontal push rod 10 was pulled the power size on base 6, be equipped with display screen 9 and control module in horizontal push rod 10 middle part, displacement sensor, stress sensor all with control module signal connection and will detect data real-time display on display screen 9.
The utility model discloses when using, with the pedal on pedal portion 1, the knee can be unsettled also can support on knee pad 3, the portion 8 of holding of horizontal push rod 10 is held to both hands, in the in-process of motion, the thrust parameter that shows the distance that promotes and use in real time on the display screen 9 is for the person of exercising to refer to, on the other hand is in order to prevent the emergence of accidental strain condition, can also carry out emergency braking in the process of motion, after pushing down jack-up briquetting 14 with the knee, jack-up briquetting 14 drives steel wire stay cord 24 downstream so as to drive the bar friction plate 16 of both sides to compress tightly on friction disc 7 in order to play the purpose of emergency braking; finally, the fixed position of the tension limiting plate 13 on the base 6 can be adjusted according to actual requirements to change the distance between the transverse push rod 10 and the tension limiting plate 13, so that the maximum elongation of the tension spring 5 can be changed, and different tensile strengths can be adjusted.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: it is to be understood that modifications may be made to the above-described arrangements in the embodiments or equivalents may be substituted for some of the features of the embodiments, but such modifications or substitutions do not depart from the spirit and scope of the present invention.
Claims (5)
1. A stretching device for physical training comprises a base and is characterized in that a pedal part is hinged at the end part of the base, two sides of the base are provided with supporting frames extending upwards, a transverse push rod is arranged between the two supporting frames, two ends of the transverse push rod are correspondingly connected in the supporting frames in a sliding way, a holding part is arranged on the transverse push rod, connecting arms extending downwards are arranged at the two end parts of the transverse push rod, a sliding seam is arranged on the base, the tail end of the connecting arm extends into the sliding seam, a tension limiting plate is arranged on the base, two ends of the tension limiting plate are bent parts, the bent parts correspondingly extend into the sliding seam, a tension spring is arranged between the tail end of the bending part and the connecting arm, two rows of threaded holes are arranged on the base in parallel along the sliding seam direction, two through holes are arranged on the pull limiting plate, the positions of the two through holes correspond to the positions of the two rows of threaded holes, and fixing bolts are arranged in the through holes;
the friction plate close to the corresponding support frame is fixed on the connecting arm, and the brake mechanism for performing friction braking on the friction plate is arranged on the base.
2. The stretching device for physical exercise according to claim 1, wherein the brake mechanism includes a strip-shaped friction plate provided in the support frame, the strip-shaped friction plates are arranged along the motion direction of the transverse push rod, the bottoms of the strip-shaped friction plates are transversely connected on the base in a sliding way, the strip-shaped friction plates correspond to the corresponding friction plates in position and are provided with intervals, two first steering wheels are arranged in parallel in the middle of the base, a second steering wheel is arranged below the two first steering wheels, a third steering wheel is arranged at the end part of the base, a pressing block is connected on the end part of the base close to the pedal part in a vertical sliding way, the bottom of the pressing block is connected with a steel wire pull rope, the steel wire pull rope sequentially winds the top of the third steering wheel and the bottom of the second steering wheel and then is divided into two branch steel wire pull ropes, and the two branch steel wire pull ropes respectively wind the first steering wheel and then are correspondingly fixed at the bottom of the strip-shaped friction plate; a first pressure spring for jacking the pressing block to reset is arranged in the base, and a second pressure spring for pushing the strip-shaped friction plate to reset towards the outside directions of the two sides is arranged in the base.
3. Stretching device for sports training as claimed in claim 1 or 2, characterized in that knee bolsters are provided on the base, close to the support frame.
4. The stretching device for physical training as claimed in claim 1 or 2, wherein a displacement sensor for detecting the moving distance of the transverse pushing rod and a stress sensor for detecting the tension of the transverse pushing rod are provided on the base, a display screen and a control module are provided in the middle of the transverse pushing rod, and the displacement sensor and the stress sensor are in signal connection with the control module and display the detected data on the display screen in real time.
5. The stretching device for physical exercise as claimed in claim 4, wherein a weight is provided on the lateral push rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120337931.6U CN214260518U (en) | 2021-02-06 | 2021-02-06 | Stretching device for physical training |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120337931.6U CN214260518U (en) | 2021-02-06 | 2021-02-06 | Stretching device for physical training |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214260518U true CN214260518U (en) | 2021-09-24 |
Family
ID=77787920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120337931.6U Expired - Fee Related CN214260518U (en) | 2021-02-06 | 2021-02-06 | Stretching device for physical training |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214260518U (en) |
-
2021
- 2021-02-06 CN CN202120337931.6U patent/CN214260518U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210924 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |