CN113018766B - Running board and running machine capable of realizing self adjustment of hardness of running board - Google Patents
Running board and running machine capable of realizing self adjustment of hardness of running board Download PDFInfo
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- CN113018766B CN113018766B CN202110306329.0A CN202110306329A CN113018766B CN 113018766 B CN113018766 B CN 113018766B CN 202110306329 A CN202110306329 A CN 202110306329A CN 113018766 B CN113018766 B CN 113018766B
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- infrared light
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
- A63B22/02—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable endless bands, e.g. treadmills
- A63B22/0207—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable endless bands, e.g. treadmills having shock absorbing means
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2220/00—Measuring of physical parameters relating to sporting activity
- A63B2220/80—Special sensors, transducers or devices therefor
- A63B2220/805—Optical or opto-electronic sensors
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2220/00—Measuring of physical parameters relating to sporting activity
- A63B2220/80—Special sensors, transducers or devices therefor
- A63B2220/83—Special sensors, transducers or devices therefor characterised by the position of the sensor
- A63B2220/833—Sensors arranged on the exercise apparatus or sports implement
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- Vascular Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a running board and a running machine for realizing self adjustment of the hardness of the running board, and belongs to the technical field of running machine design. The running board comprises a frame, a running board body and an air bag, wherein the running board body is arranged on the frame, the air bag is arranged on the frame, and the top of the air bag is abutted against the running board body. The sinking monitoring device is used for monitoring the sinking amplitude of the running plate body, and the infrared light transmitting tube is used for charging/discharging air to the air bag to adjust the hardness of the running plate body according to the monitoring data of the sinking monitoring device; the sinking monitor is provided with a light chopper and a row of infrared light receiving tubes, and the light chopper is lifted along with the running board body between the row of infrared light receiving tubes and the infrared light emitting tubes along the arrangement direction of the infrared light receiving tubes. The invention monitors the light of the infrared light emitting tubes arranged below the running board through the infrared light receiving tubes arranged in a row, replaces a precise sensing element, monitors the sinking cost of the running board in real time, and automatically inflates and deflates the air bag.
Description
Technical Field
The invention belongs to the technical field of treadmill design, and particularly relates to a running board and a treadmill capable of realizing self-adjustment of the hardness of the running board.
Background
The race board shock attenuation buffering effect of traditional treadmill is not good enough, easily cause great impact force to runner's joint during the use, easily cause runner joint fatigue, the safe risk of articular damage even, in order to improve the shock attenuation buffering effect of race board, at present, also have some on the market and be applicable to the buffer structure design of race board, install shock-absorbing structure additional in the race board bottom of treadmill promptly, but most shock-absorbing structure adjusts damping intensity through runner autonomous selection shock attenuation mode, the shock attenuation effect of this kind of shock attenuation mode is limited.
Specifically, runners of different weights have different elastic deformation pressures on the shock absorption components, so that shock absorption effects of the same mode of shock absorption strength on runners of different weights are quite different, and improper shock absorption strength can directly hurt the knee joints of the runners.
The prior art CN109350909B provides a shock absorption treadmill, which can automatically control the pressure resistance of the treadmill according to the weight of the user, but the shock absorption treadmill obtains the weight of the user by arranging a pressure sensor and calculating based on the weight by using a tablet computer, and the shock absorption treadmill depends on the pressure sensor and the tablet computer, so that the treadmill has the problem of high cost, and secondly, the pressure sensor and the tablet computer are both high precision components, especially, the pressure sensor is easy to cause inaccuracy after long-term use, and the three components.
In addition, application publication No. CN111840899A discloses a treadmill with an air bag in a novel treadmill air bag damping structure, and specifically discloses an inflation and deflation matching device of the air bag, which detects and displays the internal pressure of the air bag, and then a user can inflate and deflate the air bag by controlling a pump and an inflation valve through a key switch, so as to control the hardness of the running board.
In summary, the current running board cannot adjust the damping effect well according to the sinking range of the running board, so that the running board is not good in performance when being used by runners with different weights, and unnecessary physical injuries are easily caused to the runners.
Disclosure of Invention
The invention aims to provide a running board and a running machine for realizing the self adjustment of the hardness of the running board.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a running board for realizing self adjustment of the hardness of the running board, which comprises a frame, a running board body and an air bag, wherein the running board body is arranged on the frame, the air bag is arranged on the frame, and the top of the air bag is abutted against the running board body.
The sinking monitoring device is used for monitoring the sinking amplitude of the running plate body, and the infrared light transmitting tube is used for charging/discharging air to the air bag to adjust the hardness of the running plate body according to the monitoring data of the sinking monitoring device;
the sinking monitor is provided with a light chopper and a row of infrared light receiving tubes, and the light chopper is lifted along with the running board body between the row of infrared light receiving tubes and the infrared light emitting tubes along the arrangement direction of the infrared light receiving tubes.
Further, if the detected sinking value of the sinking monitor is larger than the set value, the air bag is inflated, the detected sinking value of the sinking monitor is smaller than the set value, and the air bag is deflated.
Further, still include the singlechip, the input of singlechip is connected in the monitor that sinks, and the output of singlechip is connected in the pump body, electromagnetism bleed valve, passes through the pipe connection between the pump body and the gasbag, still installs electromagnetism bleed valve on the gasbag.
Further, the singlechip outputs sinking amplitude data according to the light receiving state of the row of infrared light receiving tubes;
wherein the dip amplitude is determined: in the first sinking and rebounding, the position of the infrared light receiving tube with the shortest output level change time interval is taken as the lowest sinking point.
Furthermore, the frame is provided with at least one cross bar, two ends of the cross bar are respectively connected to a relative frame on the frame, and the air bag is arranged on the cross bar.
Furthermore, the sinking monitor comprises a box body, a hole matched with a light screen is formed in a box cover of the box body, a circuit board is arranged in the box body, a row of infrared receiving tubes are arranged on the circuit board, and infrared transmitting tubes are installed in the box body.
Furthermore, the light chopper is provided with a light screen, a return spring is sleeved on the light screen, one end of the light screen extends into the box body, the other end of the guide rod is provided with an end plate, one end of the return spring abuts against the box cover, and the other end of the return spring abuts against the end plate.
Further, the shutter further comprises a guide rod, the end of the guide rod is connected to the end plate, and the box body is provided with a groove which is matched with the slide rod.
A running machine comprises the running board capable of realizing self-adjustment of the hardness of the running board.
The invention has the following beneficial effects:
the infrared receiving tubes arranged in a row are used for monitoring the light of the infrared transmitting tubes arranged below the running board, a precise sensing element is replaced, the more precise running board sinking amplitude is obtained by skillfully utilizing the characteristic that the running board sinks, in addition, when the running board sinks and is monitored, the monitoring element is not damaged, the monitoring state can be fed back to the single chip microcomputer, the sinking depth of the running board is analyzed through the number of the infrared receiving tubes capable of receiving infrared light, the real-time monitoring is realized, the corresponding running number of a user can be analyzed through recording the sinking times, the number of steps of the user can be analyzed, the air bag air volume in the damping running machine can be controlled according to the sinking depth when the running machine is used, the damping performance is changed for the user, and the running experience of the user is correspondingly improved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments 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 that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block diagram of a treadmill base;
FIG. 2 is a block diagram of a convergence monitor;
FIG. 3 is a schematic diagram of the internal structure of the sinking monitor;
FIG. 4 is a schematic view of the shutter;
FIG. 5 is a schematic view of the installation of the bladder and sink monitor;
FIG. 6 is a circuit diagram of the infrared light receiving circuit set of the present invention connected to a single chip;
FIG. 7 is a circuit diagram of an infrared light generating circuit of the present invention;
FIG. 8 is a circuit diagram of an infrared light receiving circuit group;
in the drawings, the components represented by the respective reference numerals are listed below:
1. a running board body; 2. a frame; 3. an air bag; 4. a sinking monitor; 5. a damping spring; 6. a cross bar; 301. a pipeline; 401. a guide bar; 402. a light chopper; 403. a return spring; 404. a visor; 405. an infrared light receiving tube; 406. a box body; 407. and a single chip microcomputer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Referring to fig. 1-5, the invention is a running board for realizing self-adjustment of the hardness of the running board, comprising a frame 2, a running board body 1 and an air bag 3, wherein the running board body 1 is mounted on the frame 2, the air bag 3 is arranged on the frame 2, and the top of the air bag 3 is abutted against the running board body 1.
Specifically, frame 2 is the rectangle frame, and the pivot is installed to both ends portion around its rectangle frame, and the cover is equipped with in the pivot runs the area, runs and installs in the middle of the area and run board body 1, runs the both sides of board body 1 and installs on frame 2's both sides frame, preferably runs and installs damping spring 5 between board body 1 and the frame 2.
Wherein, still install on the frame 2 and be used for going on monitoring the monitor 4 that sinks of running board body 1 amplitude of sinking, according to the monitoring data who sinks monitor 4, fill/bleed regulation running board body 1's hardness to gasbag 3, through adjusting the amount of sinking that the hardness change running board body of running board body 1, reduce the damage of using the treadmill to the knee joint through suitable running board hardness.
Specifically, the frame 2 is provided with at least one cross bar 6, two ends of the cross bar are respectively connected to an opposite frame on the frame 2, the air bag 3 is installed on the cross bar 6, and preferably, the cross bar 6 is located in the middle of the frame 2.
If the detected sinking value of the sinking monitor 4 is larger than the preset sinking value, the air bag 3 is inflated to increase the hardness of the running board body 1, the detected sinking value of the sinking monitor 4 is smaller than the preset sinking value, and the air bag 3 is deflated to reduce the hardness of the running board body 1.
Specifically, the sinking monitor 4 includes a light chopper 402, a box 406 and a row of infrared light receiving tubes 405, a circuit board and an infrared light emitting tube are arranged in the box 406, the row of infrared light receiving tubes 405 is arranged on the circuit board, the infrared light emitting tube is installed in the box 406, wherein the light emitting direction of the infrared light emitting tube faces the infrared light receiving tubes 405, and each infrared light receiving tube 405 can receive infrared light in a state that light is not blocked.
Wherein, the lid of box body 406 has the hole that cooperates light screen 404, and photochopper 402 has light screen 404, and the cover is equipped with a reset spring 403 on the light screen 404, and the one end of light screen 404 stretches into box body 406, and the other end of guide bar 401 has an end plate, and the one end of reset spring 403 supports in the lid, and the other end supports in the end plate. Namely, the shading plate 404 can be automatically reset after being pressed down along with the running board body 1 through the reset spring 403.
The shutter 402 further comprises a guide rod 401, the end of the guide rod 401 is connected to the end plate, the box 406 has a channel adapted to the slide rod 401, and the end of the guide rod 401 has a resilient anti-slip hook for guiding and anti-slip.
The input end of the single chip microcomputer 407 is connected to the sinking monitor 4, the output end of the single chip microcomputer 407 is connected to the pump body and the electromagnetic deflation valve, the pump body is connected with the air bag 3 through a pipeline 301, and the air bag 3 is further provided with the electromagnetic deflation valve.
The light chopper 402 is lifted along the arrangement direction of the infrared light receiving tubes 405 between the infrared light receiving tubes 405 and the infrared light emitting tubes along the running board body 1, the output level of the infrared light receiving tubes 405 is changed by shielding the infrared light by the light shielding plate 404, that is, the light receiving state of the infrared light receiving tubes 405 outputs low level data to the single chip microcomputer 407, otherwise, the output value is high level data to the single chip microcomputer 407.
The single chip microcomputer 407 outputs sinking amplitude data according to the light receiving state of the infrared light receiving tube 405.
Wherein the dip amplitude is determined: in the first sinking and rebounding, the position of the infrared light receiving tube 405 with the shortest output level change time interval is taken as the lowest sinking point.
A treadmill comprises the running board which realizes the self-adjustment of the hardness of the running board.
The method for acquiring the sinking amplitude variation value of the running plate body 1 comprises the following steps:
the infrared light receiving tube 405 outputs a low level to the single chip microcomputer 407 after being irradiated by infrared light;
the running board body 1 sinks, and in the sinking of the running board body 1, the infrared light receiving tubes 405 positioned in the sinking distance section are sequentially shielded along with the sinking of the running board body 1;
when the infrared light receiving tube 405 is irradiated by non-light infrared light, a low level is output to the singlechip 407;
the single chip microcomputer 407 processes the level change received by the pin of the running board, and can output data information to the serial port, that is, the single chip microcomputer 407 outputs sinking amplitude data information, wherein the sinking amplitude data is sent out after the running board body 1 rebounds.
Preferably, before sending out the data, the amplitude of the subsidence is first determined, i.e. it is decided to use the treadmill: in one sinking and rebounding, the infrared light receiving tube 405 with the shortest output level change time interval is located at the lowest sinking point, wherein the infrared light receiving tube 405 with the shortest output level change time interval is the lowest point of the sinking.
The infrared light receiving tubes 405 in the column are arranged equidistantly, which is determined by the position of each infrared light receiving tube 405, the actual distance of sinking.
At least one dip amplitude data is output per rebound.
When the running board body 1 is not completely rebounded, sinking again, the data of sinking amplitude needs to be output twice, the sinking amplitude of the second time is determined, and the determination is performed according to the above mode.
The sinking amplitude data is sent after the running board body 1 is reset.
The infrared light receiving tube 405 is shielded by the light shielding plate 203, and the light shielding plate 203 moves a corresponding distance along with the sinking or rebounding of the running board body 1.
The above method can be implemented by the following circuits, which are shown in fig. 6 to 8: the signal circuit that the sink amplitude variation value of running board body 1 obtains, this circuit is applied to the race apparatus, include the one-chip computer 407, infrared light generating circuit and infrared light receiving circuit group specifically;
through, the infrared light that infrared light emission tube sent is by the perception of one row of infrared light receiving tube 405 on the infrared light receiving circuit group on the infrared light generating circuit, thereby feed back to singlechip 407, handle the signal of feedback through singlechip 407, specific shielding plate shelters from this row of infrared light receiving tube 405 and blocks the perception, the baffle is connected and is run board body 1, the quantity that corresponding accessible sheltered from, calculate the distance that runs board body 1 and push down on the treadmill, according to running board body 1 trample the distance, fill gassing control to the gasbag in the treadmill, improve the experience of running and feel.
Wherein, as shown in the pair of fig. 6-8, discloses a running board sinking amplitude reaching monitoring circuit applied to the running machine:
the infrared light generating circuit comprises a power supply V1, a first resistor R20 and an infrared light emitting tube D2 which are connected in series in sequence, wherein the negative electrode of the infrared light emitting tube D2 is grounded, and the infrared light generating circuit is an independent circuit and used for emitting infrared light signals.
The infrared light receiving circuit group has at least two infrared light receiving tubes 405.
One end of each infrared light receiving tube 405 is respectively connected with the single chip microcomputer 407 and the power supply V2, and the other end is grounded.
Specifically, as shown in fig. 3, the infrared light receiving tubes 405 include twelve infrared light receiving tubes 405, specifically Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, and Q12, and twelve infrared light receiving tubes 405 share one power supply, wherein resistance connection points on the twelve infrared light receiving tubes 405 and R1-R12 are respectively connected to pins of the single chip microcomputer 407.
Preferably, one end of an infrared light receiving tube 405 is connected with the singlechip 407 and/or the power supply V2 through a second resistor.
One end pin of the single chip microcomputer 407 is connected with a third resistor R15, and the other end of the third resistor R15 is connected with CON 4.
The model of the single chip microcomputer 407 is STM8S003F3, twelve infrared light receiving tubes 405 are respectively connected to the position pins 1, 5, 6, 10, 11, 12, 13, 14, 15, 16, 17 and 19 of the STM8S003F3, the RX pin of the single chip microcomputer 407 of CON4J2 is connected to the RX pin of CON4 through a third resistor R15, and the first pin of CON4 is connected to the power supply V3.
STM8S003F3 still is connected with CON4J1, and wherein CON4J1 ' S first pin is connected to the power, and the VSS pin of STM8S003F3 is connected to the RX pin, and the fourth pin is connected to STM8S003F3 ' S NRST pin, still is connected with a electric capacity C1 between RX pin and the fourth pin, is connected with a diode D1 and resistance R14 respectively in the guide between the fourth pin and the NRST pin, and a power is connected to diode D1 ' S output and resistance R14. Wherein J1 is used as an interface for burning the software of the singlechip 407, and J2 is an interface for data communication between the sensor and the display screen.
The power supply voltage used in the above is 5V, and the single chip microcomputer 407 is further connected with an air pressure detector.
When the single chip microcomputer 407 is connected to the collector of the infrared receiving tube and detects a level change, the detected data is converted and transmitted through the serial port, in the drawing, the CON4J2 socket is a serial port terminal, wherein the first pin is connected to a 5V power supply, the TX output signal, the RX receive signal, and the fourth pin is grounded. The output signals of the 2-pin ports on the singlechip 407 are as follows:
when the control plate blocks the 1 st infrared receiving tube 405 and returns to the original point, the serial port sends 0110 data.
When the control chip blocks the 2 nd ir receiving tube 405 and returns to the origin, the serial port sends 01021110 data.
When the control chip blocks the 3 rd ir receiving tube 405 and returns to the original point, the serial port sends 010203121110 data.
When the control chip blocks the 4 th ir receiving tube 405 and returns to the original point, the serial port sends 0102030413121110 data.
When the control chip blocks the 5 th ir receiving tube 405 and returns to the original point, the serial port sends 01020304051413121110 data.
When the control chip blocks the 6 th ir receiving tube 405 and returns to the original point, the serial port sends 010203040506151413121110 data.
When the control chip blocks the 7 th ir receiving tube 405 and returns to the original point, the serial port sends 0102030405060716151413121110 data.
When the control chip blocks the 8 th receiving tube and returns to the original point, the serial port sends 01020304050607081716151413121110 data.
When the control chip blocks the 9 th ir receiving tube 405 and returns to the original point, the serial port sends 010203040506070809181716151413121110 data.
When the control plate blocks the 10 th infrared receiving tube 405 and returns to the original point, the serial port sends 0102030405060708090A19181716151413121110 data.
When the control chip blocks the 11 th infrared receiving tube 405 and returns to the original point, the serial port sends 0102030405060708090A0B 1A19181716151413121110 data.
When the control plate blocks the 12 th infrared receiving tube 405 and returns to the original point, the serial port sends 0102030405060708090A0B0C1B1A19181716151413121110 data.
Specifically, for example, when the control sheet blocks the 1 st ir receiving tube 405 and returns to the original point, the 2 nd ir receiving tube 405 is in a light receiving state all the time, that is, when the circuit is applied to the treadmill, the running board sinks to the position of the first ir receiving tube 405, and then rebounds, and the subsequently described manner of outputting the level information by the remaining ir receiving tubes 405 is the same as the manner of determining that the light of the first ir receiving tube 405 is blocked.
The infrared light emitting tube D2 in the circuit is the same element as the infrared light emitting tube 6 in fig. 6 and 7.
The utility model provides a can acquire treadmill that running board sinks amplitude variation value installs and to obtain running board body 1 that running board sinks amplitude variation value as above-mentioned.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a realize running board of running board soft or hard self-adjustment, includes frame (2), runs board body (1) and gasbag (3), runs board body (1) and installs on frame (2), and on frame (2) was located in gasbag (3), the top of gasbag (3) was supported in running board body (1), its characterized in that:
the sinking monitoring device also comprises a sinking monitor (4) and an infrared light transmitting tube, wherein the sinking monitor (4) is used for monitoring the sinking amplitude of the running plate body (1), and the air bag (3) is inflated/deflated to adjust the hardness of the running plate body (1) according to the monitoring data of the sinking monitor (4);
the sinking monitor (4) is provided with a light chopper (402) and a row of infrared light receiving tubes (405), the light chopper (402) is lifted and descended between the row of infrared light receiving tubes (405) and the infrared light emitting tubes along the arrangement direction of the infrared light receiving tubes (405) along the running board body (1), wherein the infrared light receiving tubes (405) are arranged at equal intervals, so that the practical sinking distance of the running board body (1) is determined according to the position of each infrared light receiving tube (405);
the air pump further comprises a single chip microcomputer (407), the input end of the single chip microcomputer (407) is connected to the sinking monitor (4), the output end of the single chip microcomputer (407) is connected to the pump body and the electromagnetic deflation valve, the pump body is connected with the air bag (3) through a pipeline (301), and the air bag (3) is further provided with the electromagnetic deflation valve;
the method for acquiring the sinking amplitude variation value of the running plate body (1) further comprises the following steps:
the infrared light receiving tube (405) outputs low level to the singlechip (407) after being irradiated by infrared light;
when the infrared light receiving tube (405) is irradiated by non-light infrared light, a high level is output to the singlechip (407);
the single chip microcomputer (407) outputs sinking amplitude data information according to the level change received on the pins of the single chip microcomputer, wherein the sinking amplitude data information is sent out after the running board body (1) rebounds;
the singlechip (407) outputs sinking amplitude data according to the light receiving state of the infrared light receiving tube (405);
wherein the dip amplitude is determined: in the first sinking and rebounding, the position of the infrared light receiving tube (405) with the shortest output level change time interval is taken as the lowest sinking point;
if the detected sinking value of the sinking monitor (4) is larger than the set value, the air bag (3) is inflated, the detected sinking value of the sinking monitor (4) is smaller than the set value, and the air bag (3) is deflated.
2. A running board allowing self-adjustment of the softness of the running board according to claim 1, wherein the frame (2) is provided with at least one cross bar (6), the cross bar (6) is connected at its two ends to opposite side frames of the frame (2), and the air bag (3) is mounted on the cross bar (6).
3. A running board for self-adjustment of the softness or hardness of the running board according to claim 2, wherein the sinking monitor (4) comprises a box (406), a circuit board is arranged in the box (406), a row of infrared light receiving tubes (405) is arranged on the circuit board, and an infrared light emitting tube is arranged in the box (406).
4. The running board capable of realizing the self-adjustment of the hardness of the running board as claimed in claim 3, wherein the light shield (402) is provided with a light shield (404), the box cover of the box body (406) is provided with a hole matched with the light shield (404), the light shield (404) is sleeved with a return spring (403), one end of the light shield (404) extends into the box body (406), the other end of the guide rod (401) is provided with an end plate, one end of the return spring (403) abuts against the box cover, and the other end abuts against the end plate.
5. A running board for self-adjustment of the softness of the running board according to claim 4, characterized in that the shutter (402) further comprises a guide bar (401), the end of the guide bar (401) being connected to the end plate, the box (406) having a channel adapted to the guide bar (401).
6. A running machine comprising a running board for self-adjusting the softness and hardness of the running board according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110306329.0A CN113018766B (en) | 2021-03-23 | 2021-03-23 | Running board and running machine capable of realizing self adjustment of hardness of running board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110306329.0A CN113018766B (en) | 2021-03-23 | 2021-03-23 | Running board and running machine capable of realizing self adjustment of hardness of running board |
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| CN113018766A CN113018766A (en) | 2021-06-25 |
| CN113018766B true CN113018766B (en) | 2022-04-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113663285B (en) * | 2021-07-23 | 2022-09-20 | 浙江立久佳运动器材有限公司 | Treadmill with shock absorption function and self-adaptive adjustment method of shock absorption performance of treadmill |
| CN113750452B (en) * | 2021-10-08 | 2022-10-14 | 浙江大跑科技有限公司 | Speed self-adaptive treadmill control system and method for reducing sports injury |
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