CN2784033Y - Buffer structure of running platform - Google Patents
Buffer structure of running platform Download PDFInfo
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- CN2784033Y CN2784033Y CN 200420012128 CN200420012128U CN2784033Y CN 2784033 Y CN2784033 Y CN 2784033Y CN 200420012128 CN200420012128 CN 200420012128 CN 200420012128 U CN200420012128 U CN 200420012128U CN 2784033 Y CN2784033 Y CN 2784033Y
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- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 230000035515 penetration Effects 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 8
- 230000003139 buffering effect Effects 0.000 abstract description 7
- 230000035939 shock Effects 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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Abstract
The utility model relates to a buffering structure for running platforms, the structure of which comprises a framework, wherein the opposite inner sides of the front end of the framework are respectively provided with symmetrical front pulleys, bottom pulleys and conduits, wherein each conduit is provided with one adjusting screw rod in a shaft direction and is sheathed with a slide block with an inner screw hole, a spring and a spacing block orderly. The end of the adjusting screw rod is connected with an adjusting device. Double symmetrical and longitudinal through holes are arranged on both sides of the front end of a running platform, and both sides of the back end are pivoted at the opposite inner sides of the back end of the framework. One end of each of two groups of hard ropes is penetrated and sheathed inside the conduits of the framework and is fixed to the spacing blocks, the other end is stuck and abutted on the lower part of the bottom pulleys to bypass the front pulleys and then penetrates through the through holes from the upper part of the running platform for fixation. The buffering structure for running platforms has the advantages that the running platform has the optimum efficacy of vibration absorption, and the purpose of adjusting the strength of the vibration absorption and buffering elasticity of the running platform can be achieved.
Description
Technical Field
The utility model relates to machinery, in particular to a buffer structure of a running platform.
Background
At present, the buffering structure of the running platform is generally that the running machine is provided with a frame, and the opposite inner sides of the frame are provided with running belts capable of moving circularly; the two sides of the bottom of the front end are provided with support rods which can support the frame to keep a proper height with the ground, and the bottom of the other end is provided with a fixed seat; a spring plate with the same width as the frame and a proper length, wherein the front end of the spring plate is locked at the bottom of the fixed seat, and two sides of the bottom at the other end are downwards fixedly provided with symmetrical foot stands which can be placed on the ground; the distance between the elastic sheet and the frame is proper, so that the back end of the frame can achieve the function of elastic vibration up and down by the elastic sheet connected with the fixed seat; the adjusting rod is sleeved with a regulating rod, the upper end face and the lower end face of the regulating rod are respectively attached to the opposite inner side faces of the frame and the elastic sheet, the end face of the frame, which is attached to and contacted with the regulating rod, is a rack with a proper length, and the rack can be engaged and positioned by the gear ring of the regulating rod, so that the hanging distance of the rear section part of the elastic sheet and the frame can be changed by moving the regulating rod back and forth, and the shock-absorbing elasticity of the rear end part of the frame can be changed;
although the above structure has the functions of shock absorption and adjustable elasticity, the disadvantages are:
1. the bottom of the rear end of the frame is only connected and supported by a spring plate, so that the frame can generate the phenomenon of continuous vibration frequency when being vertically stressed, if the frequency is different from the exercise pace frequency of a user, the user can not judge the correct height of the running belt when the foot steps on, and the condition is easy to cause exercise injury of the part;
2. the bottom of the back end of the frame is mainly provided with a spring sheet connected with the back end of the frame, so that the back end of the frame can be in an empty state to achieve the effect of elastic force and shock absorption; accordingly, the length of the elastic sheet connected with the rear end of the frame is limited; if the elastic sheet is too long, the upper edge of the rear end of the elastic sheet can be completely attached to the bottom surface of the frame, and the due function of the elastic sheet is lost; if the length is too short, the shock absorption function is reduced, so the elastic sheet can only be set within a fixed length range, and the efficacy of the structural design for adjusting the shock absorbing structure is not great.
SUMMERY OF THE UTILITY MODEL
According to the purpose of the utility model, aiming at the defects of the buffer structure of the prior running platform, the buffer structure of the running platform is provided, one end of the running platform is pivoted at the rear end of a frame and is arranged at the inner side, the frame is provided with a relative inner side which can be pivoted at the base of the running machine, and the buffer structure is connected and arranged between the two sides of the front end of the running platform and the inner side of the front end of the frame, so that the running platform has better energy absorption and better elastic force relaxation efficiency when being stressed and vibrated;
the structure includes:
a front end of the frame is respectively provided with a symmetrical front pulley, a bottom pulley and a guide pipe on the inner side, the guide pipe is provided with an adjusting screw rod in the axial direction, and a sliding block, a spring and a limiting block which are provided with an inner screw hole are sequentially sleeved on the guide pipe; the tail end of the adjusting screw rod is connected with an adjusting device which can adjust the compression or tension load value of the spring;
two symmetrical double longitudinal through holes are arranged on two sides of the front end of the running platform, one end of each of two steel cables can be positioned in a penetrating way, and two sides of the rear end are pivoted on the inner side of the rear end of the frame;
one end of each hard rope is sleeved in the guide pipe of the frame and fixed on the limiting block, and the other end of each hard rope is attached to the lower part of the bottom pulley, bypasses the front pulley and then passes through the through hole of the running platform to be fixed.
The utility model has the advantages that: the running platform has an optimal shock absorption effect, and the operation adjusting device can be used for driving the adjusting screw rods arranged on the two sides of the frame to synchronously limit and rotate, so that the front and back displacement of the sliding block is adjusted, the compression load of the spring is changed, and the purpose of adjusting the shock absorption and buffering elasticity of the running platform is achieved.
Description of the drawings:
FIG. 1 is a schematic bottom view of a combination of the embodiments of the present invention;
FIG. 2 is an exploded view of the embodiment of the present invention;
FIG. 3 is a schematic side sectional view of an embodiment of the present invention;
fig. 4 is a schematic top view partially in section according to an embodiment of the present invention;
fig. 5 is a schematic view of the second embodiment of the present invention with motor driving;
fig. 6 is a schematic view of a three-combination top view of an embodiment of the present invention;
fig. 7 is a side view cross-section of a four-component embodiment of the present invention;
fig. 8 is a schematic top view of a five-combination section according to an embodiment of the present invention.
The specific implementation mode is as follows:
as shown in FIGS. 1-4, the treadmill deck 10 is pivotally mounted on the opposite inner sides of the frame 20, and the frame 20 is pivotally mounted on the opposite inner sides of the treadmill base (this part is not the focus of the present invention, so this figure is not shown); between the running board 10 and the frame 20, a buffer device is designed to be installed, which includes:
the front end of the frame 20 is provided with a front pulley 21, a bottom pulley 22 and a guide pipe 23 in sequence, wherein the front pulley 21 and the bottom pulley 22 are provided with two annular grooves 211 and 221 respectively, which can provide the separated position limit of the double ropes 30; an adjusting screw 24 is axially sleeved in the guide pipe 23, and a sliding block 25 provided with an inner screw hole 251, a compression spring 26 and a limiting block 27 are sequentially sleeved on the adjusting screw 24; wherein,
the front end of the duct 23 is a closed end (or an open end), the other end is an open end, the closed end is transversely provided with a through hole 231 at a proper distance, the end edge near the open end is provided with a parallel cross bar 232, and the upper and lower walls of the duct 23 are provided with symmetrical guide grooves 233;
the front end of the adjusting screw 24 is a threaded section 241 for screwing the inner screw hole 251 of the sliding block 25, the other end is provided with a concave ring groove 242 for clamping the parallel cross bar 232 of the conduit 23, so that the parallel cross bar 232 is limited and can only perform the function of fixed-point rotation, and the adjusting screw 24 is sleeved with the sliding block 25 and a limiting block 27, so that the adjusting screw can be kept at the central shaft position of the conduit 23;
the outer edge of the sliding block 25 is provided with symmetrical lugs 252 which can be sleeved in the symmetrical guide grooves 233 of the guide pipe 23, so that the sliding block 25 can only move back and forth, and the sliding block 25 is transversely provided with two round holes 253 corresponding to the two through holes 231 of the guide pipe 23;
the upper and lower ends of the limiting block 27 are also provided with symmetrical lugs 271, the symmetrical lugs 271 can be slid into the upper and lower guide grooves 233 of the guide tube 23, and the limiting block 27 is also provided with a double round hole 272 which is narrow in front and wide in back and corresponds to the through hole 231 of the guide tube 23 in the transverse direction;
two symmetrical double longitudinal through holes 12 are arranged on two sides of the front end of a running platform 10, one ends of two ropes 30 can be positioned by penetrating, and movable supporting points 13 are pivotally connected between two sides of the rear end and the inner side of the rear end of the frame 20;
two groups of ropes 30 with equal length, one end of each rope respectively penetrates through the through hole 231 at the front end of the guide pipe 23, the round hole 253 of the slide block 25 and the round hole 272 of the limiting block 27 to be fixed, the other end is attached to the lower part of the bottom pulley 22, bypasses the front pulley 21 and then penetrates through the through hole 12 of the running platform 10 from the upper part to be fixed; wherein the rope 30 is a hard metal wire;
as shown in fig. 4 to 5, the running platform 10 can be used as a limit support by a movable fulcrum 13 pivoted at the rear end and the inner side opposite to the rear end of the frame 20, and two sides of the front end are connected by symmetrical double hard ropes 30 in a hanging state to form a movable end, wherein the installation position of the front pulley 21 is higher than the top end surface of the running platform; when the running platform 10 is vertically stressed to incline downwards, the rope 30 connected with the front end of the running platform is pulled downwards along with the vertical stressed to further pull the rope 30 at the other end to move forwards, and the other end of the rope 30 is fixedly arranged on the limiting block 27, so that the limiting block 27 can synchronously move forwards to push the spring 26 to be in a force storage state; when the force applied to the running platform 10 disappears, the spring 26 in the force storage state releases the stored energy and pushes the limit block 27 to the original position, so that the rope 30 fixed on the limit block 27 is pulled synchronously, the rope 30 sinking at the other end is pulled upwards, and the running platform 10 returns to the original state; the running platform 10 is connected by a rope 30, and the spring 26 has the property of absorbing and releasing energy, so that the running platform 10 has better buffer function, and the frequency of the running platform 10 in up and down movement is kept in a stable state;
furthermore, in order to accommodate the operation of users with different weights and maintain the running platform 10 in the optimal shock-absorbing and buffering state, the present invention provides an adjusting device 28 at a predetermined position of the frame 20 for adjusting the compression load of the spring at any time, wherein the adjusting device 28 comprises:
a bevel gear 281 is fixedly arranged at the tail end of the adjusting screw 24;
a cross bar 282 is arranged at about the middle section of the frame 20, the cross bar 282 is provided with two bevel gears 2821 engaged with the bevel gears 281 of the two adjusting screws 24, and one end of the cross bar 282 extends out of the frame and is externally connected with a handle 283 to facilitate the adjustment of the rotation of the cross bar 282; a bearing 284 is disposed between the frame 20 and the cross bar 282 to facilitate the rotation of the cross bar 282;
therefore, when the cross bar 282 rotates, the bevel gears 281 at one end of the adjusting screws 24 installed in the conduits 23 at both sides of the frame 20 are driven by the two bevel gears 2821 on the cross bar 282 to synchronously operate, so that the two adjusting screws 24 can synchronously rotate clockwise or counterclockwise; when the adjusting screw 24 rotates, the sliding block 25 can be driven to move forward and backward, so as to achieve the purpose of adjusting the compression load of the compression spring 26;
wherein, the adjusting device 28 can be installed with an electric motor 40 to drive the cross bar 282 to operate, that is, a platform 29 is installed on the inner side of the frame 20 for locking the motor 40, a rotating wheel 42 is connected to the transmission shaft 41 of the motor 40, a rotating wheel 2822 is fixed on the cross bar 282 at the corresponding position of the rotating wheel 42, and a transmission ring 43 is sleeved between the two rotating wheels 2822 and 42; wherein, the rotating wheels 2822 and 42 and the transmission ring 43 are matched by a gear disc and a chain;
the adjusting device is provided with bevel gears 281 and 8221 engaged with each other on the adjusting screw 24 and the cross bar 282 respectively, so as to achieve the purpose of driving the adjusting screw 24 to rotate through the bevel gear 2821 on the cross bar 282; in order to achieve the purpose, the utility model can also adopt the mutual matching of the worm and the worm wheel, namely, the worm wheel is fixedly arranged at one end of the adjusting screw rod, the worm is arranged on the cross rod, and after the worm and the worm wheel are meshed, the worm wheel can be driven to rotate by rotating the worm, so that the sliding block screwed on the adjusting screw rod moves horizontally;
in another embodiment, an adjusting device 28 for adjusting and changing the compression load of the spring is shown in fig. 6, wherein the adjusting device 28 comprises: a connecting cross bar 243 is fixedly arranged at the tail end of the adjusting screw rods 24 at the two sides, and a screw hole 2431 is arranged at the midpoint of the connecting cross bar 243; a supporting rod 201 and a fixing seat 202 are arranged at the back end of the connecting cross rod 243 at the opposite inner side of the frame 20, and the supporting rod 201 is provided with a through hole 2011 for being sleeved with the screw 52 of the driving device 50; the fixing base 202 mainly provides a locking position for the motor 51 of the driving device 50; the driving device 50 includes: a screw 52, the front end of which is screwed with the screw hole 2431 of the connecting cross bar 243; a motor 51, which can drive the screw 52 to rotate so as to drive the connecting rod 243 to move forward and backward; the driving device 50 can drive the adjusting screws 24 installed on both sides of the frame 20 to synchronously move back and forth, so as to adjust and change the compression load of the spring 26;
the structure is that a connecting cross bar 243 is directly connected with the tail ends of two adjusting rods 24, and then the driving device 50 directly drives the connecting cross bar 243 to move back and forth in a linear driving way, so that the adjusting screw 24 does not need to be rotated to enable the screwed slide block to move; therefore, the threaded section 241 does not need to be designed on the adjusting screw 24, and the sliding block 253 can be directly fixed at the front end of the adjusting screw 24 in a positioning manner; in addition, the original structure is designed at the rear end of the guide pipe 23, and two parallel cross rods 232 which can limit the adjusting screw rod 24 to rotate at fixed points are not required to be set up in the third structure of the embodiment;
as shown in figure 7, the structure is mainly characterized in that two sides of the frame are connected with the running platform through ropes respectively, and therefore, two through holes are arranged at two sides of the front end of the running platform respectively; the front pulley and the bottom pulley set at the front end of the frame are also only matched with and designed with a ring groove, the structure is almost completely the same as that of the structural embodiment, so that the part of the drawing is omitted, and the structural difference is mainly as follows: the front end of the conduit 23 is designed as an open end, the rear end is designed as a closed end, and the closed end is provided with a screw hole 234, the screw hole 234 is screwed with an adjusting screw 24, the front end of the adjusting screw 24 extends into the conduit 23 and is pivoted with a freely rotatable retaining ring 244, and the other end is fixedly provided with an adjusting button 245; an extension spring 261 is disposed in the guide tube 23, one end of which is hooked on the retaining ring 244 of the adjusting screw 24, and the other end is connected with the rope; therefore, when the running platform is vertically stressed to drive the rope 30 connected with the extension spring 261 to move forward, the function of buffering can be achieved by the extension action of the extension spring 261;
furthermore, the adjusting button 245 at the rear end of the adjusting screw 24 can be rotated to displace the adjusting screw 24 back and forth, so as to change the tension load of the tension spring 261; in order to more conveniently rotate the adjusting button 245, the frame 20 of the present invention is provided with a window hole 203 at the position of the adjusting button 245 at the two side frames, so that the window hole 203 can extend into the frame 20 to perform the operation of rotating the adjusting button 245; in addition, in order to keep the symmetrical adjusting rod 24 at the corresponding position when it moves back and forth, a scale table can be added on the outer side of the two side window holes 203 to display the correct position where the adjusting button 245 stays;
as shown in fig. 8, it is a schematic diagram of four other equivalent embodiments of the present invention, and it mainly lies in: the tail end of the two side adjusting screw rods 24 is fixedly provided with a connecting cross rod 243, and the middle point of the connecting cross rod 243 is provided with a screw hole 2431; a supporting rod 201 and a fixing seat 202 are arranged at the back end of the connecting cross rod 243 at the opposite inner side of the frame 20, and the supporting rod 201 is provided with a through hole 2011 for being sleeved with the screw 52 of the driving device 50; the fixing base 202 mainly provides a locking position for the motor 51 of the driving device 50; the driving device 50 includes a screw 52, the front end of which is screwed to the screw hole 2431 of the connecting cross bar 243; a motor 51 capable of driving the screw 52 to rotate so as to drive the connecting rod 243 to move forward and backward;
the driving device 50 can drive the adjusting screws 24 installed on both sides of the frame 20 to synchronously move back and forth, so as to adjust the tension load of the tension spring 261,
Claims (10)
1. A cushion apparatus for a treadmill deck, the treadmill deck pivotally mounted to a frame member, the frame member adapted to pivotally mount to a base member of the treadmill frame member, the cushion apparatus comprising: the buffer device includes:
the inner side of the frame at the preset end is respectively provided with a symmetrical front pulley, a bottom pulley and a guide pipe in sequence, the guide pipe is provided with an adjusting screw rod in the axial direction, and the adjusting screw rod is sleeved with a sliding block provided with an inner screw hole, a spring and a limiting block in sequence; the back end of the conduit is provided with a parallel cross bar; the front end of the adjusting screw is provided with a thread section for screwing the inner screw hole of the sliding block, and the other end is provided with a concave ring groove for clamping the parallel cross rod so that the parallel cross rod can only limit the fixed point to rotate;
the two sides of one end of the running platform, which is provided with the front pulley relative to the framework, are provided with symmetrical double longitudinal through holes for the penetration and positioning of one ends of two steel cables, and the two sides of the rear end of the running platform are pivoted at the rear end of the framework to form a movable fulcrum relative to the inner side;
one end of each of the two groups of double ropes with equal length can be sleeved into the guide pipe and fixed on the limiting block, and the other end is attached to the lower part of the bottom pulley, bypasses the front pulley, passes through the through hole of the running platform from the upper part and is fixed.
2. A cushioning device for a running deck according to claim 1, wherein: the front end of the conduit is a closed end, the other end of the conduit is an open end, and the closed end is transversely provided with a perforation at proper intervals for the double ropes to pass through; the sliding block is transversely provided with two round holes corresponding to the two through holes of the guide pipe, and a double rope can be sleeved; the limiting block is transversely provided with double round holes which are narrow in front and wide in back and are opposite to the through holes of the guide pipes, and one end of the double ropes can be fixed at the wide round holes after being sleeved; and the upper and lower pipe walls of the conduit are provided with symmetrical guide grooves, and the upper and lower end edges of the sliding block and the limiting block are respectively provided with symmetrical lugs which can be sleeved in the guide grooves to limit the sliding block and the limiting block to only move back and forth.
3. A cushioning device for a running deck according to claim 1, wherein: the front pulley and the bottom pulley which are arranged on the opposite inner sides of the front end of the frame are both provided with two ring grooves.
4. A cushioning device for a running deck according to claim 1, wherein: the frame is provided with an adjusting device which can adjust and change the compression load of the compression spring at any time.
5. A cushioning apparatus for a running deck according to claim 4, wherein: the adjusting device comprises: a bevel gear is fixedly arranged at the tail end of the adjusting screw rod; the frame is provided with a cross rod, the cross rod is provided with two bevel gears which are meshed with the bevel gears of the two adjusting screws, one end of the cross rod extends out of the frame and is externally connected with a handle which can rotate the adjusting cross rod.
6. A cushioning apparatus for a running deck according to claim 5, wherein: the adjusting device can be matched with a speed reducing motor to drive the cross rod to actuate, namely a platform is arranged on the opposite inner side of the frame for locking a motor, and a rotating wheel is connected with a transmission shaft of the motor; a rotating wheel is fixedly arranged at the position of the cross rod corresponding to the rotating wheel; a driving ring is sleeved between the two rotating wheels.
7. A cushioning apparatus for a running deck according to claim 5, wherein: the adjusting device comprises: the tail ends of the two side adjusting screws are fixedly provided with a connecting cross rod, and the middle point of the connecting cross rod is provided with a screw hole; the inner side of the frame is provided with a supporting rod and a fixed seat at the rear end of the connecting cross rod, and the supporting rod is provided with a through hole for sleeving a screw rod of the driving device; the fixed seat provides a motor lock setting position of a driving device; the driving device comprises a screw rod, the front end of which is screwed with the screw hole connected with the cross rod; a motor can drive the screw to rotate so as to drive the connecting cross rod to move back and forth.
8. A buffer device of a running platform is characterized in that: the buffer device includes:
two ropes are respectively connected between the two ends of the front end of the frame and the running platform; two connecting ends of the running platform are respectively provided with a through hole, and two sides of the other end are pivoted at the rear end of the frame to form a movable fulcrum relative to the inner side;
the front end of the frame is provided with a front pulley, a bottom pulley and a conduit, the front end of the conduit is an open end, the rear end of the conduit is a closed end, the closed end is provided with an adjusting screw rod capable of adjusting front and rear displacement, the end part of the adjusting screw rod extending into the conduit is pivoted with a buckle ring capable of freely rotating, and the other end is fixedly provided with an adjusting button; an extension spring is arranged in the conduit, one end of the extension spring is hooked on the retaining ring of the adjusting screw rod, and the other end of the extension spring is mutually connected with the rope;
one end of the rope is connected with the end part of the extension spring, and the other end of the rope is attached to the lower part of the bottom pulley, bypasses the front pulley, passes through the through hole of the running platform from the upper part of the running platform and is fixed.
9. A cushioning apparatus for a running deck according to claim 8, wherein: two side frames of the frame are provided with symmetrical window holes at the positions of the adjusting buttons.
10. A cushioning apparatus for a running deck according to claim 8, wherein: the tail ends of the two adjusting screws are fixedly provided with a connecting cross rod, and the middle point of the connecting cross rod is provided with a screw hole; the inner side of the frame is provided with a supporting rod and a fixed seat at the rear end of the connecting cross rod, and the supporting rod is provided with a through hole for sleeving a screw rod of the driving device; the fixed seat can provide a motor lock setting position of a driving device; the driving device comprises a screw rod, the front end of which is screwed with the screw hole connected with the cross rod; a motor can drive the screw to rotate and drive the connecting cross rod to move back and forth.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 200420012128 CN2784033Y (en) | 2004-06-23 | 2004-06-23 | Buffer structure of running platform |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN 200420012128 CN2784033Y (en) | 2004-06-23 | 2004-06-23 | Buffer structure of running platform |
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CN2784033Y true CN2784033Y (en) | 2006-05-31 |
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CN 200420012128 Expired - Fee Related CN2784033Y (en) | 2004-06-23 | 2004-06-23 | Buffer structure of running platform |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101433753B (en) * | 2007-11-16 | 2010-10-13 | 乔山健康科技(上海)有限公司 | Adjustable buffering mechanism of treadmill |
CN104027936A (en) * | 2014-06-27 | 2014-09-10 | 河南科技大学 | Outdoor mechanical running machine with speed constraining function |
CN104027935A (en) * | 2014-06-27 | 2014-09-10 | 河南科技大学 | Electric anti-skid treadmill |
CN104906752A (en) * | 2015-06-08 | 2015-09-16 | 洛阳理工学院 | Treadmill motion buffering device |
-
2004
- 2004-06-23 CN CN 200420012128 patent/CN2784033Y/en not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101433753B (en) * | 2007-11-16 | 2010-10-13 | 乔山健康科技(上海)有限公司 | Adjustable buffering mechanism of treadmill |
CN104027936A (en) * | 2014-06-27 | 2014-09-10 | 河南科技大学 | Outdoor mechanical running machine with speed constraining function |
CN104027935A (en) * | 2014-06-27 | 2014-09-10 | 河南科技大学 | Electric anti-skid treadmill |
CN104027936B (en) * | 2014-06-27 | 2016-03-02 | 河南科技大学 | A kind of outdoor speed limit mechanical treadmill |
CN104027935B (en) * | 2014-06-27 | 2016-05-11 | 河南科技大学 | A kind of electronic anti-skidding treadmill |
CN104906752A (en) * | 2015-06-08 | 2015-09-16 | 洛阳理工学院 | Treadmill motion buffering device |
CN104906752B (en) * | 2015-06-08 | 2018-02-23 | 洛阳理工学院 | A kind of treadmill moves buffer unit |
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