CN114404878B - Automatic protection mechanism on treadmill - Google Patents
Automatic protection mechanism on treadmill Download PDFInfo
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- CN114404878B CN114404878B CN202210216844.4A CN202210216844A CN114404878B CN 114404878 B CN114404878 B CN 114404878B CN 202210216844 A CN202210216844 A CN 202210216844A CN 114404878 B CN114404878 B CN 114404878B
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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
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Abstract
The invention discloses an automatic protection mechanism on a running machine, which comprises a running platform, a bracket and a first spring, and further comprises: the connecting rod is used for connecting the brackets on the two sides; the adjusting device is arranged on the connecting rod and comprises a movable supporting seat, and the first spring is arranged between the supporting seat and the running platform; the driving device is internally provided with a driving block and a driving rod which are connected with the running platform; and the connecting pipe is connected with the adjusting device and the driving device. Vibrations through running the platform drive make drive arrangement water-logging carry to adjusting device in, the supporting seat drives the spring and removes when the delivery capacity is greater than the outflow, change the produced deformation volume of spring, make the pivot rotate and come the pulling regulating block through the stay cord when receiving the pressure plate through the supporting seat extrusion, it is the same with the outflow to make the output quantity, it makes first check valve open to set up the driving block shifts up, it closes to move down messenger first check valve, it receives the pressure to send water in the adjusting device to set up the second check valve, it sends water in to drive arrangement through the water pump to set up the third check valve.
Description
Technical Field
The invention relates to the field of treadmills, in particular to an automatic protection mechanism on a treadmill.
Background
The treadmill is common fitness equipment in a gymnasium and is the simplest one of the current fitness equipment, so that the treadmill becomes the best choice of the fitness equipment in the gymnasium.
Spring on the traditional treadmill is fixed unchangeable state, when the user ran soon on the treadmill, the trampling power that the user produced exceeded at ordinary times greatly and walked or when jogging, and the spring can produce excessive deformation this moment, and long-time excessive deformation not only can lead to the life of spring to subtract the weak point, and the excessive vibrations of amplitude also can lead to user's knee impaired moreover.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an automatic protection mechanism on a running machine, which can effectively solve the problems of the traditional running machine.
The technical scheme adopted by the invention for solving the technical problem is as follows: the utility model provides an automatic protection mechanism on treadmill, includes race platform, support, first spring, still includes: the connecting rod is used for connecting the brackets on two sides; the adjusting device is arranged on the connecting rod and comprises a movable supporting seat, and the first spring is arranged between the supporting seat and the running platform; the driving device is internally provided with a driving block, and a driving rod is arranged on the driving block and connected with the running platform; the connecting pipe is used for connecting the adjusting device and the driving device; run when platform vibrations through the actuating lever drives the drive block is at drive arrangement internalization, drive arrangement drives adjusting device is last the supporting seat rebound makes run between platform and the supporting seat first spring takes place to deform.
In the above technical solution, further, the driving device includes a driving box, water is stored in the driving box, the driving block is located above a horizontal plane, a first one-way valve is provided on the driving block, when the driving block moves upward in the driving device, the first one-way valve is opened, and when the driving block moves downward in the driving device, the first one-way valve is closed.
In the above technical solution, further, a water outlet is provided at the bottom of the adjusting device, and an adjusting block for changing the size of the water outlet is provided at the water outlet.
In the above technical scheme, further, the connecting pipe includes first connecting pipe and second connecting pipe, first connecting pipe one end is connected the bottom of drive case, the other end is connected on adjusting device, second connecting pipe one end is connected position more than the horizontal plane in the drive case, the other end is connected water outlet department.
In the above technical solution, further, a second one-way valve is disposed in the first connecting pipe, when the second one-way valve receives the extrusion force of the driving device, the second one-way valve is opened and conveys water into the adjusting device, the second connecting pipe is provided with two sections, and the two sections are respectively connected to the water pump, a third one-way valve is disposed in the second connecting pipe between the water pump and the driving device, and the water pump conveys the water in the adjusting device into the driving device again.
In the above technical solution, further, a self-starting device for automatically adjusting the adjusting block is arranged in the adjusting device, the self-starting device includes a pressed plate, a second spring, a fixed plate, and a rotating shaft, the second spring is fixed between the pressed plate and the inner wall of the top of the adjusting device, the fixed plate and the rotating shaft are arranged in a partition plate of the adjusting device, the rotating shaft passes through the fixed plate, the rotating shaft includes a first end and a second end, a pull rope is fixedly arranged on the first end, a first tooth socket is arranged on the second end, a fixing rod is arranged on the fixed plate, the fixing rod is embedded into the inner wall of the adjusting device, a second tooth socket is arranged on the fixing rod, when the second spring is in a natural state, the second tooth socket is not matched with the first tooth socket, and when the second spring is deformed, the fixing rod moves upwards and enables the first tooth groove to be matched with the second tooth groove, and therefore the rotating shaft rotates.
In the above technical solution, further, a sliding groove is provided on the inner side of the bracket, a fixing block is provided on the running platform, and in an initial state, the fixing block is located at the top of the sliding groove, and at this time, the first spring is in a natural state.
The invention has the beneficial effects that: thereby drive the actuating lever through the vibrations at the race platform and remove in drive arrangement and make the drive arrangement water-logging carry to adjusting device in, water in the adjusting device increases and makes the supporting seat drive the spring and remove when the delivery capacity is greater than the outflow, change the produced deformation volume of spring, make first tooth's socket and second tooth's socket take place the cooperation when receiving the board through the supporting seat extrusion, thereby make the pivot take place to rotate and stimulate the regulating block through the stay cord, make output volume the same with the outflow, shift up through setting up the driving block and make first check valve open, it closes to move down to make first check valve, it opens to carry water in the adjusting device to set up the second check valve to receive the pressure, it carries water in to drive arrangement to set up the punching press power that the third check valve passes through the water pump.
Drawings
The invention is further illustrated by the following examples in conjunction with the drawings.
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a bottom view of the invention.
Fig. 3 is a perspective view of the adjustment device of the present invention in cooperation with a drive device.
Fig. 4 is a structure diagram of the adjusting device and the driving device in the initial state of the invention.
FIG. 5 is a view showing the structure of the regulating device of the present invention when the amount of water supplied is smaller than the amount of water discharged.
FIG. 6 is a view showing the structure of the regulating device of the present invention in which the amount of water supplied is larger than the amount of water discharged.
Fig. 7 is a perspective view of the self-opening device of the present invention.
Fig. 8 is a side view of the self-starting device of the present invention.
Fig. 9 is an enlarged view of the invention at a in fig. 4.
Fig. 10 is an enlarged view of the invention at B in fig. 6.
Fig. 11 is a perspective view of the sliding groove and the fixing block of the present invention.
Fig. 12 is a perspective view of the support of the invention in cooperation with a running platform.
Fig. 13 is an enlarged view at C in fig. 4 of the present invention.
Fig. 14 is an enlarged view of fig. 6 at D of the present invention.
In the drawing, 1, a running platform, 2, a bracket, 3, a first spring, 4, an upper supporting seat, 5, an adjusting device, 6, a driving box, 7, a connecting rod, 8, a second connecting pipe, 9, a water pump, 10, a first connecting pipe, 11, a driving rod, 12, an air vent, 13, a driving block, 14, a first one-way valve, 15, a pull rope, 16, a third one-way valve, 17, an adjusting block, 18, a water outlet, 19, a second one-way valve, 20, a lower supporting seat, 21, a rotating shaft, 22, a fixing plate, 23, a first end, 24, a first tooth groove, 25, a second end, 26, a second tooth groove, 27, a second spring, 28, a fixing rod, 29, a pressure receiving plate, 30, a sliding groove, 31, a fixing block and 32, and a third spring are arranged.
Detailed Description
Referring to fig. 1-14, an automatic protection mechanism on a treadmill comprises a running platform 1, a bracket 2, a first spring 3, and further comprises: the connecting rod 7 is used for connecting the brackets 2 on two sides; the adjusting device 5 is arranged on the connecting rod 7 and comprises a movable supporting seat, and the first spring 3 is arranged between the supporting seat and the running platform 1; the driving device is internally provided with a driving block 13, and the driving block 13 is provided with a driving rod 11 connected with the running platform 1; the connecting pipe is used for connecting the adjusting device 5 and the driving device; run during 1 vibrations of platform through actuating lever 11 drives actuating block 13 is at drive arrangement internalization, drive arrangement drives on the adjusting device 5 the supporting seat rebound makes run between platform 1 and the supporting seat first spring 3 takes place to deform.
Wherein the driving device further comprises a driving box 6, driving liquid is arranged in the driving box 6 and below the driving block 13, the driving liquid can be water or hydraulic oil, preferably water, and the cost is reduced, the top of the driving box 6 and at the side of the driving rod 11 are provided with vent holes 12 for communicating with the outside air, the driving block 13 is a sealing block, a part of gap exists between the driving block 13 and the horizontal plane, the driving block 13 is provided with a first one-way valve 14, when the driving block 13 moves upwards in the driving box 6, the first one-way valve 14 is in an open state, at this time, air passing through the vent holes 12 enters the gap between the driving block 13 and the horizontal plane from the first one-way valve 14, and when the driving block 13 moves downwards in the driving box 6, the first one-way valve 14 is in a closed state, the drive block 13 now conveys the water in the drive tank 6 through the connecting pipe into the regulating device 5.
On adjusting device 5 the supporting seat is "worker" shape, includes supporting seat 4 and lower supporting seat 20 to connect through branch, it sets up to go up supporting seat 4 adjusting device 5's surface, lower supporting seat 20 sets up in adjusting device 5, wherein lower supporting seat 20 also is sealed piece, lower supporting seat 20 with be provided with partial clearance between adjusting device 5's the top inner wall, be provided with delivery port 18 in the adjusting device 5 delivery port 18 department is provided with regulating block 17, regulating block 17 is used for adjusting the size of delivery port 18 changes the outflow size of adjusting device 5 water-logging.
Wherein, the connecting pipe includes first connecting pipe 10 and second connecting pipe 8, first connecting pipe 10 is used for carrying the water that is extruded in the drive box 6, first connecting pipe 10 is provided with three groups, is favorable to increasing the discharge velocity of water, the one end of first connecting pipe 10 is connected the bottom of drive box 6 communicates with each other with water, the other end of first connecting pipe 10 is connected on adjusting device 5, the one end of second connecting pipe 8 is connected the lower extreme of delivery port 18, the other end is connected in drive box 6 clearance department between drive block 13 and the horizontal plane.
A second check valve 19 is provided in each of the first connecting pipes 10, the second check valve 19 is capable of supplying water only in the direction of the adjusting device 5 and is incapable of returning water to the driving device, the second check valve 19 is opened when receiving a pressing force of water in the driving device, the water in the driving device is caused to flow into the adjusting device 5, and the second check valve 19 is in a closed state when not receiving the pressing force.
The second connecting pipe 8 comprises two sections which are connected to a water pump 9 at the same time, when the treadmill is started, the water pump 9 is started at the same time, the water pump 9 is a miniature water pump 9, the running state can be kept continuously idle, and the damage cannot be caused, when the amount of water squeezed into the adjusting device 5 is small, water is conveyed into the water pump 9 through the water outlet 18 and is sprayed out into the driving device through the water pump 9, a third one-way valve 16 is arranged on the second connecting pipe 8 between the water pump 9 and the driving device, the third one-way valve 16 can only convey water to the driving device direction, and water cannot flow back into the water pump 9, and the third one-way valve 19 can open the third one-way valve 16 under the action force of the water sprayed by the water pump 9.
The power of the water pump 9 is limited, and the water pump 9 can only extract the water in the second connecting pipe 8 connected between the water pump 9 and the water outlet 18, so as to prevent the water in the regulating device 5 from being interfered.
A self-starting device for automatically adjusting the adjusting block 17 is arranged in the inner wall of the top of the adjusting device 5, the self-starting device includes a pressed plate 29, a second spring 27, a fixing plate 22 and a rotating shaft 21, the pressed plate 29 is located in the gap between the lower support 20 and the inner top wall of the adjusting device 5, one end of the second spring 27 is fixed on the pressed plate 29, the other end is fixed on the inner top wall of the adjusting device 5, there are multiple sets, preferably two sets, wherein the fixing plate 22 and the rotating shaft 21 are arranged in the inner partition plate at the top of the adjusting device 5, the rotating shaft 21 is rotatably arranged on the fixing plate 22, the two ends of the rotating shaft 21 protrude from the two sides of the fixing plate 22 and include a first end 23 and a second end 25, a pulling rope 15 is fixedly arranged on the first end 23, and the other end of the pulling rope 15 is fixed on the adjusting block 17, a first spline 24 is provided on the second end 25, a fixing rod 28 is provided on the pressure receiving plate 29, the fixing rod 28 is embedded in the top wall of the adjusting device 5, and a second spline 26 is provided at the embedded portion of the fixing rod 28, the second spring 27 is in a natural state initially, the second spline 26 does not cooperate with the first spline 24, when the pressure receiving plate 29 is pressed by the lower support base 20, the second spring 27 is compressed and the fixing rod 28 moves upward so that the second spline 26 cooperates with the first spline 24, the pull rope 15 of the first end 23 is wound around the first end 23 after the rotation of the rotating shaft 21, and at this time, the pull rope 15 pulls the adjusting block 17 to increase the flow rate of the water outlet 18.
In order to collect the water flowing into the adjusting device 5, the bottom surface of the adjusting device 5 is an inclined surface, the water outlet 18 is the lowest point, and the water flowing into the adjusting device 5 can smoothly flow to the water outlet 18 through the inclined surface.
In an initial state, the adjusting block 17 blocks the water outlet 18, a third spring 32 connected with the adjusting block 17 is arranged in a bottom plate of the adjusting device 5, the initial state of the third spring 32 is a natural state, at this time, the adjusting block 17 extends completely, when the pull rope 15 pulls the adjusting block 17, the third spring 32 is extruded, so that the adjusting block 17 is embedded into the bottom plate of the adjusting device 5, the flow rate of the water outlet 18 is increased, and when the pressed plate 29 is not extruded any more, the adjusting block 17 is reset by the third spring 32.
When a user walks or joggs on the treadmill, the floating degree of the running platform 1 is small, the moving frequency of the driving block 13 in the driving box 6 is small, the deformation amount of the first spring 3 is in a proper range, and the adjustment is not needed, at this time, less water is squeezed into the adjusting device 5 from the driving box 6, the water flowing into the adjusting device 5 can flow out through the water outlet 18, and at this time, the inflow is smaller than the outflow.
When the user runs on the treadmill, the floating degree of the running platform 1 is large, the moving frequency of the driving block 13 in the driving box 6 is large, the deformation amount of the first spring 3 exceeds a proper range, at this time, water in the driving box 6 is rapidly and largely extruded into the adjusting device 5, initially, due to the action of the adjusting block 17, the inflow amount is larger than the outflow amount, water in the adjusting device 5 is continuously increased, and the lower supporting seat 20 drives the upper supporting seat 4 to move upwards, the distance between the upper supporting seat 4 and the running platform 1 is reduced, the first spring 3 is deformed by extrusion, so that the first spring 3 can generate larger elastic force to the running platform 1, and the vibration degree generated by the running platform 1 can also approach to a reasonable range, thereby not only prolonging the service life of the first spring 3 and ensuring that the knee of the user is not affected, when the lower support plate continuously moves upwards and contacts with the pressure receiving plate 29, the fixing rod 28 moves to enable the first tooth groove 24 and the second tooth groove 26 to be matched, the adjusting block 17 extends into the bottom plate of the adjusting device 5, and the flow rate of the water outlet 18 is increased, so that the inflow rate and the outflow rate are balanced.
The water flowing to the second connecting pipe 8 through the water outlet 18 is sprayed out again through the water pump 9 to generate a punching force, and the third check valve 16 is opened and then enters the driving box 6 again to generate a water circulation, so that the water shortage condition is avoided.
Under the normal condition, thereby work as go up the supporting seat 4 drives thereby also can make when the spring removes run platform 1 and take place to remove, in order to prevent run platform 1's removal be provided with spout 30 on the support 2 be provided with fixed block 31 on running platform 1, when the user does not use the treadmill, fixed block 31 is located the upper end of spout 30, when running fast the removal of going up supporting seat 4 only can the compression volume of spring and can not make run platform 1 takes place to remove.
The working process of the invention is as follows: when a user starts to use the treadmill, the water pump 9 is started simultaneously, the treadmill is pressed down when the user just stands so that a small amount of water is sent from the driving box 6 to the adjusting device 5, then the water flows to the water pump 9 through the water outlet 18 and re-enters the driving box 6, when the user starts to walk or run slowly, the treadmill 1 drives the driving block 13 to move up and down in the driving box 6 under the action of the driving rod 11, the frequency is slow, the water in the driving box 6 flows into the adjusting device 5 through the first connecting pipe 10, because the adjusting block 17 is in an extending state at this moment, the outflow quantity of the water outlet 18 is larger than the inflow quantity of the water flowing into the adjusting device 5 by the driving device, the water flowing into the second connecting pipe 8 flows into the driving box 6 again through the water pump 9, when a user starts running fast, the driving block 13 moves up and down in the driving box 6 at a fast frequency, water in the driving box 6 is filled into the adjusting device 5 in a large amount and fast, because the adjusting block 17 does not move initially, water in the adjusting device 5 increases continuously at this time, the amount of water increases, so that the lower support base 20 moves up, the distance between the upper support base 4 and the running platform 1 is shortened, the first spring 3 is deformed, the lower support base 20 presses the pressure receiving plate 29, the second spring 27 on the pressure receiving plate 29 is compressed, the second tooth groove 26 on the fixing rod 28 is matched with the first tooth groove 24 on the rotating shaft 21, the rotating shaft 21 rotates, the first end 23 of the rotating shaft 21 pulls the pull rope 15 to wind at the first end 23 and pulls the adjusting block 17 into the bottom plate of the adjusting device 5, the third spring 32 is compressed, the flow rate of the water outlet 18 is greatly increased at this time, the inflow and outflow of water are kept in a balanced state, when the user runs down from fast running to slow running, the up-and-down movement frequency of the driving block 13 is reduced, the inflow of water begins to be slowly smaller than the outflow, the lower support base 20 is gradually restored to the initial position, the fixing rod 28 on the pressure receiving plate 29 is restored again through the second spring 27, the adjusting block 17 is restored again through the third spring 32, and finally, after the movement is stopped, the treadmill is closed and the water pump 9 is closed.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention in any way, and simple modifications, equivalent changes and modifications may be made without departing from the technical scope of the present invention.
Claims (2)
1. The utility model provides an automatic protection mechanism on treadmill, includes race platform, support, first spring, its characterized in that still includes:
the connecting rod is used for connecting the brackets on the two sides;
the adjusting device is arranged on the connecting rod and comprises a movable supporting seat, and the first spring is arranged between the supporting seat and the running platform;
the driving device is internally provided with a driving block, and the driving block is provided with a driving rod connected with the running platform;
the connecting pipe is used for connecting the adjusting device and the driving device;
when the running platform vibrates, the driving rod drives the driving block to move in the driving device, and the driving device drives the supporting seat on the adjusting device to move upwards, so that the first spring between the running platform and the supporting seat is deformed;
the driving device comprises a driving box, water is stored in the driving box, the driving block is positioned above a horizontal plane, a first one-way valve is arranged on the driving block, the first one-way valve is opened when the driving block moves upwards in the driving device, and the first one-way valve is closed when the driving block moves downwards in the driving device; the bottom of the adjusting device is provided with a water outlet, and an adjusting block for changing the size of the water outlet is arranged at the water outlet; the connecting pipe comprises a first connecting pipe and a second connecting pipe, one end of the first connecting pipe is connected to the bottom of the driving box, the other end of the first connecting pipe is connected to the adjusting device, one end of the second connecting pipe is connected to a position above the horizontal plane in the driving box, and the other end of the second connecting pipe is connected to the water outlet; a second one-way valve is arranged in the first connecting pipe, when the second one-way valve is subjected to extrusion force of the driving device, the second one-way valve is opened and conveys water into the adjusting device, two sections of the second connecting pipe are arranged and are respectively connected to a water pump, a third one-way valve is arranged in the second connecting pipe between the water pump and the driving device, and the water pump conveys the water in the adjusting device into the driving device again; the adjusting device is internally provided with a self-starting device for automatically adjusting the adjusting block, the self-starting device comprises a pressure receiving plate, a second spring, a fixed plate and a rotating shaft, the second spring is fixed between the pressure receiving plate and the inner wall of the top of the adjusting device, the fixed plate and the rotating shaft are arranged in a partition plate of the adjusting device, the rotating shaft penetrates through the fixed plate, the rotating shaft comprises a first end and a second end, a pull rope is fixedly arranged on the first end, a first tooth socket is arranged on the second end, a fixed rod is arranged on the fixed plate and embedded into the inner wall of the adjusting device, a second tooth socket is arranged on the fixed rod, when the second spring is in a natural state, the second tooth socket is not matched with the first tooth socket, when the second spring is deformed, the fixed rod moves upwards and enables the first tooth socket to be matched with the second tooth socket, thereby rotating the rotating shaft.
2. The automatic protection mechanism of claim 1, wherein the bracket has a sliding slot inside, the treadmill has a fixed block on the sliding slot, and the fixed block is located at the top of the sliding slot in an initial state, and the first spring is in a natural state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210216844.4A CN114404878B (en) | 2022-03-07 | 2022-03-07 | Automatic protection mechanism on treadmill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210216844.4A CN114404878B (en) | 2022-03-07 | 2022-03-07 | Automatic protection mechanism on treadmill |
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| Publication Number | Publication Date |
|---|---|
| CN114404878A CN114404878A (en) | 2022-04-29 |
| CN114404878B true CN114404878B (en) | 2022-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210216844.4A Active CN114404878B (en) | 2022-03-07 | 2022-03-07 | Automatic protection mechanism on treadmill |
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