CN108434764A - A kind of self-resetting hurdles rack - Google Patents
A kind of self-resetting hurdles rack Download PDFInfo
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- CN108434764A CN108434764A CN201810471174.4A CN201810471174A CN108434764A CN 108434764 A CN108434764 A CN 108434764A CN 201810471174 A CN201810471174 A CN 201810471174A CN 108434764 A CN108434764 A CN 108434764A
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- fixed link
- supporting rod
- shaft
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- support bar
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- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 210000000481 breast Anatomy 0.000 claims abstract description 24
- 238000005096 rolling process Methods 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000000630 rising effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 210000003423 ankle Anatomy 0.000 description 3
- 210000002683 foot Anatomy 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000032258 transport Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63K—RACING; RIDING SPORTS; EQUIPMENT OR ACCESSORIES THEREFOR
- A63K3/00—Equipment or accessories for racing or riding sports
- A63K3/04—Hurdles or the like
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Abstract
The invention discloses a kind of self-resetting hurdles rack, including breast board, the supporting rod for being symmetricly set on breast board both ends, the seat bar being connect with the supporting rod other end, the fixed link that is connect close to supporting rod one end with seat bar；Breast board is connect by the first screw with supporting rod, and supporting rod lower end is provided with the gear being rotatablely connected with seat bar；Fixed link is connect by third screw with seat bar at hollow setting, fixed link；Fixed link be internally provided with for fix and drive supporting rod reset wheel mechanism for rolling, for drive wheel mechanism for rolling move driving mechanism；Slidably connect rack engage with gear on the outside of fixed link, fixed link is internally provided with for the movement conduction of rack to driving mechanism and to be controlled the transmission mechanism that driving mechanism moves；It occupies little space when the hurdles rack convenient disassembly, transport, convenient for storage, and the hurdles rack can automatically reset after falling down, also righting is carried out to the hurdles rack to fall down before avoiding in the next use.
Description
Technical field
The present invention relates to technical field of sports instruments, more particularly to a kind of self-resetting hurdles rack.
Background technology
In track and field event, hurdle race campaign is a higher movement of difficulty, in teaching or in usual instruction of hurdling
In white silk, essential is hurdles rack, and is integrated mostly in the current hurdles rack hurdled used in training and teaching
The frame structure of formula；I.e. railing is generally separately fixed at two stands using wooden or steel material plate, the both ends of an entirety
On bar, in teaching or hurdle race practice, it often will appear the phenomenon that player feet encounters breast board and falls down, due to hurdling
Breast board it is very hard and between strut to be fixedly connected, it is easy to the positions such as the ankle of sportsman are caused to damage, to sportsman
Physiology and mental health cause certain burden, and need the hurdles rack kicked down again righting before the use of next time,
In case subsequent hurdle campaign.
This hurdles rack is easy to cause to damage to sportsman in use and needs to carry out righting, labor to breast board again
Fatigue resistance is too big, using being inconvenient, complex steps.
And it is currently on the market to be fixedly connected across blocking between the breast board on frame and supporting rod so that in transportational process
Occupied space is excessive, is unfavorable for transporting and store.
Invention content
The object of the present invention is to provide a kind of self-resetting hurdles rack, convenient disassembly, supporting rod can multi-angle rotation,
It avoids the hurdles rack and transports and store inconvenient problem caused by occupied space is excessive in transportational process；It is described across
The breast board of column frame supporting rod when being hit can fall down automatically, avoid hurdles rack and cause to damage to positions such as the ankles of sportsman
Hinder or trip sportsman；And the hurdles rack can automatically reset after falling down, will also be to kicking before avoiding in the next use
Hurdles rack carries out righting.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of self-resetting hurdles rack, including breast board, be symmetricly set on the breast board both ends supporting rod, with it is described
Seat bar that supporting rod is connected far from breast board one end, the fixed link being connect close to supporting rod one end with the seat bar, feature
It is：The breast board is connect by the first screw with the post upper, and the supporting rod lower end is provided with gear, the tooth
Wheel is rotatablely connected by first rotating shaft and described seat bar one end；
The fixed link is at hollow setting, and the fixed link lower end is by third screw and the seat bar close to supporting rod
One end connection；The fixed link is internally provided with for driving wheel mechanism for rolling that the supporting rod resets, described for driving
The driving mechanism of wheel mechanism for rolling movement；The fixed link is slidably connected close to the side of the supporting rod and is engaged with the gear
Rack, the fixed link is internally provided with for the movement conduction of the rack to driving mechanism and to be controlled the driving machine
The transmission mechanism of structure movement.
By using above-mentioned technical proposal, the breast board is detachably connected with the supporting rod, and the supporting rod can be polygonal
Degree rotation, occupy little space convenient transportation, the storage of when transport are convenient；The wheel mechanism for rolling keeps away the fixed function of the supporting rod
Exempt from the supporting rod to fall down when without outer force effect, when the supporting rod falls down, the gear rotates, described in gear drive
Rack upward sliding, driving mechanism movement described in the transmission mechanism control, the driving mechanism drive the wheel mechanism for rolling fortune
It is dynamic that the supporting rod is resetted.
The further setting of the present invention is：The driving mechanism includes the second shaft, is coaxially disposed with second shaft
Clockwork spring, the free end of the clockwork spring is connect with the fixed link；The wheel mechanism for rolling includes third shaft, ropewinder, elasticity
Rope, the ropewinder are coaxially disposed with the third shaft, and second shaft and the third shaft are coaxially connected, the hair
Item and ropewinder are rotatablely connected by the second shaft and third shaft with the fixed link；One end of the elastic string and the volume
Device of restricting connects, and the other end is connect with the supporting rod；It is coaxial with second shaft between the clockwork spring and fixed link side wall
It is provided with the first limiting section, the second limiting section, the fixed link cuts formation one close to the side of first limiting section outward
A the first limiting slot to match with first limiting section；Between the ropewinder and the fixed link side wall with the third
Shaft is coaxially arranged with third limiting section, and first limiting section is driven to be inserted into first limit after tightening the clockwork spring
In slot；
Between the third shaft and ropewinder several outside Cheng Gang are provided on the outside of the third shaft
Property inwardly at the first limited block of elasticity, several are provided on the inside of the ropewinder outward at rigidity inwardly at elasticity
Second limited block, first limited block and the second limited block reverse setting；
The transmission mechanism includes the mandril being connect far from the supporting rod side with the rack, in the mandril upper end
On the inside of the cylindrical type fixed part of mandril coaxial arrangement, 4 springs being connect with the fixed part lower end and the fixed link
The lever of rotation connection, the spring form a lower end around the fixed part spaced set and in the mandril upper end
The cavity of opening, when the mandril upper end is inserted into the cavity, the spring is bent outwardly；The lower end of the lever is set
It is placed in spring lower end side, the lever upper end is inserted between first limiting section and the second limiting section；When described
When supporting rod falls down completely, the spring drives the lever rotation and pulls out first for the limiting section out of first limiting slot
Go out.
First the supporting rod is gone to and the bearing when using the hurdles rack by using above-mentioned technical proposal
The fixed link connect with the seat bar and the wheel and rack is engaged by the orthogonal position of bar, will be described
Elastic string is connect with the supporting rod, rotates second shaft and third shaft makes the clockwork spring go to tightening state, and
So that first limiting section is inserted into first limiting slot by the elastic string volume on the ropewinder after clockwork spring tightening
It is interior, avoid the clockwork spring from unclamping；When the foot of sportsman bumps against the breast board, the supporting rod is toppled under force,
The supporting rod tenses the elastic string, and the elastic string pulls the ropewinder rotation, and second limited block is around described the
Three shafts rotate, and synchronously the supporting rod drives the gear rotation, and the gear drives the rack upward sliding, described
Mandril upward sliding described in rack drives, the mandril upper end are inserted into the cavity, and the spring is bent outwardly, when described
When supporting rod falls down completely, the spring lower end squeezes the lever lower end, lever upper end driving first limit
Portion is extracted out of described first limiting slot, and the clockwork spring diastole drives second shaft and third shaft to rotate, and described first
Second limited block described in limited block card master, the third shaft drive the ropewinder rotation, the elastic string tightening that will simultaneously fall
Under supporting rod pull-up.
The further setting of the present invention is：The supporting rod includes first support bar and the second support of hollow lower ending opening
Bar, is respectively set along the axial direction of the supporting rod that there are four carry interior spiral shell through the first support bar and second support bar side wall
The first mounting hole and the second mounting hole of line；The second support bar upper end is inserted into inside first support bar, by described first
When supporting rod rises to desired height, the first support bar is connect with second support bar by the second screw.
By using above-mentioned technical proposal, the height of the supporting rod can be adjusted according to scene needs, target user
It is wider.
The further setting of the present invention is：The fixed link upper end cut downwards formation one with connect inside the fixed link
The second logical limiting slot is inserted with link block in second limiting slot, and the one end of the elastic string far from the ropewinder is worn
Second limiting slot is crossed to connect with the link block；Second limiting slot upper end is rotatably connected to cunning with the fixed link
Wheel, the second support bar are provided with connection ring close to the side upper end of the fixed link, and the first support bar is close to described
The side of fixed link is provided with the first guide groove；
First the link block extracted out of described second limiting slot when carrying out the fixation of the supporting rod and will described in
Elastic string bypasses the pulley, then the link block is passed through the connection ring and connects the elastic string and second support bar
It connects.
By using above-mentioned technical proposal, the elastic string can be received to the fixed link, be kept away when being transported
Elastic string knotting is exempted from, dismounting is more convenient；The setting of the pulley reduces the friction between elastic string and fixed link, extends
The service life of elastic string；The setting of first guide groove avoids the connection ring and is caused to the lifting of the supporting rod
It influences.
The further setting of the present invention is：One end that the third shaft is located on the outside of fixed link is connected with handle.
By using above-mentioned technical proposal, rotation is more convenient laborsaving.
The further setting of the present invention is：The seat bar cuts formation one the close to one end of the fixed link upwards
Two mounting grooves, a connecting rod for connecting two seat bars is provided in second mounting groove, and the connecting rod passes through
4th screw is connect with the seat bar.
By using above-mentioned technical proposal, the structure of the hurdles rack is more stablized.
The further setting of the present invention is：The one end of the seat bar far from the supporting rod forms one to internal cutting and matches
Weight chamber, through the setting of counterweight chamber side there are four the first adjustment hole, the counterweight intracavitary is inserted with weight linear meter, through described
There are four the second adjustment holes to match with first adjustment hole for the setting of weight linear meter side wall, and counterweight is inserted into regulating weight linear meter
After the length of chamber, the weight linear meter is connect with seat bar by the 5th screw.
By using above-mentioned technical proposal, counterweight can be adjusted according to the height of supporting rod, and the scope of application is wider.
The further setting of the present invention is：The observation panel for being connected to the counterweight chamber is provided between first adjustment hole.
By using above-mentioned technical proposal, facilitate the second adjustment hole of observation in the position of counterweight intracavitary, it is easier for installation
Fast.
In conclusion the invention has the advantages that：Convenient disassembly, supporting rod can multi-angle rotation, avoid institute
It states hurdles rack and transports and store inconvenient problem caused by occupied space is excessive in transportational process；The column of the hurdles rack
Plate supporting rod when being hit can fall down automatically, avoid hurdles rack and the positions such as the ankle of sportsman are caused to damage or be stumbled
Have bad luck mobilization；And the hurdles rack can automatically reset after falling down, and also hurdle to what is kicked down before avoiding in the next use
Frame carries out righting.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the structural schematic diagram of seat bar；
Fig. 3 is the structural schematic diagram of weight linear meter；
Fig. 4 is the enlarged drawing of A in Fig. 1；
Fig. 5 is the enlarged drawing of B in Fig. 1；
Fig. 6 is the external structure schematic diagram of fixed link；
Fig. 7 is sectional view of the fixed link upper end at the second limit groove location；
Fig. 8 is the internal structure schematic diagram of fixed link；
Fig. 9 is the enlarged drawing of D in Fig. 8；
Figure 10 is mainly used for showing the structure of wheel mechanism for rolling and driving mechanism；
Figure 11 is the enlarged drawing of E in Figure 10.
In figure：1, breast board；2, supporting rod；3, seat bar；4, fixed link；5, driving mechanism；6, wheel mechanism for rolling；7, driver
Structure；8, connecting rod；9, weight linear meter；11, the first screw；21, first support bar；22, second support bar；23, the second screw；211、
First mounting hole；212, the first guide groove；221, the second mounting hole；222, gear；223, first rotating shaft；224, connection ring；31、
First mounting groove；32, third screw；33, the first adjustment hole；34, the second mounting groove；35, observation panel；41, the second guide groove；
42, rack；43, pulley；44, the first limiting slot；45, the second limiting slot；46, link block；51, the second shaft；52, clockwork spring；
511, the first limiting section；512, the second limiting section；61, third shaft；62, ropewinder；63, elastic string；64, third limiting section；
65, the first limited block；66, the second limited block；67, handle；71, mandril；72, fixed part；73, fixed block；74, spring；75、
Cavity；76, lever；761, pedestal；762, arc groove；81, the 4th screw；91, the second adjustment hole；92, the 5th screw.
Specific implementation mode
Below in conjunction with attached drawing, invention is further described in detail.
In the description of the present invention, it is to be understood that, the orientation or position of the instructions such as term "upper", "lower", "inner", "outside"
It is to be based on the orientation or positional relationship shown in the drawings to set relationship, is merely for convenience of description of the present invention and simplification of the description, rather than
Indicate or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot
It is interpreted as limitation of the present invention.
Embodiment, a kind of self-resetting hurdles rack, as shown in Figure 1,2,3, 4, including breast board 1,1 both ends of breast board pass through
First screw 11 be connected with 1 vertically disposed supporting rod 2 of breast board, supporting rod 2 is connect with breast board 1 including upper end and hollow lower end
The first support bar 212 of opening, the second support bar 222 for being plugged in 212 lower end of first support bar run through first support bar 212
Side wall lower ends and 222 sidewall upper of second support bar are respectively set that there are four with female along the axial direction of the supporting rod 2
First mounting hole 211 and the second mounting hole 221；When 212 inside of first support bar is inserted into 222 upper end of second support bar, pass through
First support bar 212 is connect by the second screw 23 with second support bar 222；
Connection ring 224 that there are one the side upper end settings vertical with the second mounting hole 221 of 222 outside of second support bar, the
An one supporting rod 212 lateral internal cutting vertical with the first mounting hole 211 forms first guide groove 212, is being supported
When the lifting of bar 2, the sliding in the first guide groove 212 of connection ring 224 avoids liter of the setting to supporting rod 2 of connection ring 224
Drop impacts；
The lower end of second support bar 222 is fixedly connected there are one gear 222, and 222 middle part of gear is provided with one piece the
One shaft 223, gear 222 are rotatably connected to a seat bar 3 by first rotating shaft 223, and supporting rod 2 is under external force around
One shaft 223 rotates；
Seat bar 3 cuts downwards close to one end of second support bar 222 and forms first mounting groove 31, the first mounting groove
A hollow fixed link 4 is inserted in 31, the lower end of fixed link 4 is connect by third screw 32 with seat bar 3；
Seat bar 3 cuts close to one end of fixed link 4 and forms second mounting groove 34 upwards, is set in the second mounting groove 34
It is equipped with a connecting rod 8 for connecting two seat bars 3, the both ends of connecting rod 8 are connected by the 4th screw 81 with seat bar 3
It connects, the setting of connecting rod 8 is so that the structure of hurdles rack is more stablized；
The one end of seat bar 3 far from supporting rod 2 forms a counterweight chamber 36 to internal cutting, and one is inserted in counterweight chamber 36
Weight linear meter 9, through the setting of 36 side of counterweight chamber there are four the first adjustment hole 33, through the setting of 9 both sides of weight linear meter, there are four with the
The second adjustment hole 91 that one adjustment hole 33 matches passes through the 5th spiral shell after regulating weight linear meter 9 and being inserted into the length of counterweight chamber 36
Weight linear meter 9 is connect by silk 92 with seat bar 3；The observation panel 35 of connection counterweight chamber 36 is provided between first adjustment hole 33, into
Row counterweight facilitates position of the second adjustment hole 91 of observation in counterweight chamber 36 when adjusting, easier for installation quick.
As shown in Fig. 1,5,6,7, fixed link 4 forms one the close to the side lower end of second support bar 222 to internal cutting
Two guide grooves 41, being slidably connected in the second guide groove 41, there are one racks 42；One connection of formation is cut downwards in 4 upper end of fixed link
The second limiting slot 45 inside fixed link 4, there are one pulleys 43 with the rotation connection of fixed link 4 for 45 upper end of the second limiting slot.
As shown in Fig. 7,8,9, rack 42 is located at the mandril 71 that one end in fixed link 4 is connected with a cylindrical type, mandril
With the coaxial arrangement of mandril 71 there are one the fixed part 72 of cylindrical type, 72 lower end of fixed part is provided with 4 springs 74 for 71 upper ends, Gu
Determine 72 upper end of portion to connect with fixed link 4 by a fixed block 73, spring 74 is around 72 spaced set of fixed part and in top
71 upper end of bar forms the cavity 75 of a lower ending opening, and when 71 upper end of mandril is inserted into cavity 75, spring 74 is bent outwardly；
74 side of spring is rotatably connected to a lever 76 by pedestal 761 and fixed link 4,761 one end of pedestal with it is solid
Fixed pole 4 connects, and the other end is rotatablely connected with lever 76, and the lower end of lever 76 is set to the lower end side of spring 74, lever 76
Upper end, which is cut downwards, forms an arc groove 762；762 upper end of arc groove is provided with second shaft 51,762 both sides of arc groove
It is respectively set there are one the first limiting section 511 and the second limiting section 512 that section is in regular hexagon, the upper end of lever 76 is inserted in the
Between one limiting section 511 and the second limiting section 512, the first limiting section 511 and the second limiting section 512 are coaxial with the second shaft 51
Connection, the second shaft 51 are rotatablely connected close to one end of the first limiting section 511 and fixed link 4, and fixed link 4 and the second shaft 51 connect
The position connect is cut outward forms first limiting slot 44 to match with the first limiting section 511, and the second limiting section 512 is separate
The side of first limiting section 511 and the second shaft 51 are coaxially connected there are one the clockwork spring 52 formed by rolling tightly steel disc, clockwork spring 52
Free end is connect with fixed link 4；
Side of the clockwork spring 52 far from the second fixed part 72 is coaxially connected with a third shaft 61, third with the second shaft 51
Shaft 61 is coaxially connected there are one ropewinder 62 close to one end of the second shaft 51 and third shaft 61, is connected on ropewinder 62
A piece elastic string 63, there are one link block 46, link block 46 is plugged in setting for one end connection of the elastic string 63 far from ropewinder 62
In in the second limiting slot 45 of 4 upper end of fixed link, the one end of third shaft 61 far from the second shaft 51 is rotatablely connected with fixed link 4
And it is externally connected to a handle 67 in fixed link 4, the position between 4 side wall of ropewinder 62 and fixed link and third shaft
61 is coaxially connected there are one third limiting section 64.
As shown in Figure 10,11, if being provided with around the outside of third shaft 61 between third shaft 61 and ropewinder 62
Dry, outward at rigidity inwardly at the first limited block 65 of elasticity, several is provided with outward into rigidity around 62 inside of ropewinder
Inwardly at the second limited block 66 of elasticity, 66 reverse setting of the first limited block 65 and the second limited block.
Occupation mode and operation principle：When using the hurdles rack, first supporting rod 2 is gone to and is mutually hung down with seat bar 3
Straight position, fixed link 4 is connect with seat bar 3 and so that gear 222 is engaged with rack 42, by link block 46 from the second limit
Elastic string 63 is extracted while extracted out in slot 45, and elastic string 63 is bypassed into pulley 43, link block 46 is then passed through into connection ring 224,
Elastic string 63 is connect with supporting rod 2, swing handle 67 is so that clockwork spring 52 goes to tightening state, and elastic string volume 63 is made to roll up
It restricts on device 62, the first limiting section 511 is inserted into the first limiting slot 44 by clockwork spring 52 after tightening, and clockwork spring 52 is avoided to unclamp；It is moving
When the foot of member bumps against breast board 1, supporting rod 2 is toppled under force, and supporting rod 2 tenses elastic string 63, and elastic string 63 pulls
Ropewinder 62 rotates, and the second limited block 66 oppresses the first limited block 65 and curves inwardly and rotated around third shaft 61 at this time, synchronous
Ground supporting rod 2 is rotated with moving gear 222,222 drive rack of gear, 42 upward sliding, and rack 42 drives 71 upward sliding of mandril,
71 upper end of mandril is inserted into the cavity 75 between spring 74, and 71 pressuring spring item 74 of mandril is bent outwardly, when supporting rod 2 is complete
When falling down, 74 lower end extrusion lever of spring, 76 lower end, 76 upper end of lever drives the first limiting section 511 out of first limiting slot 44
It extracts, 52 diastole of clockwork spring drives the second shaft 51 and third shaft 61 to rotate, and the first limited block 65 blocks the second limited block 66, the
Three shafts 61 drive ropewinder 62 to rotate, 2 pull-up of supporting rod that elastic string 63 is tightened and will be fallen down.
This specific embodiment is only presently preferred embodiments of the present invention, not makees limit in any form to the present invention
System；Any technical person familiar with the field, without departing from the scope of the technical proposal of the invention, all using the disclosure above
Methods and technical content many possible changes and modifications are made to technical solution of the present invention, or be revised as equivalent variations etc.
Imitate embodiment.Therefore, every content without departing from technical solution of the present invention, according to the technical essence of the invention to above example
Any simple modification, equivalent replacement, equivalence changes and the modification made still fall within the range of technical solution of the present invention protection
It is interior.
Claims (8)
1. a kind of self-resetting hurdles rack, including breast board (1), the supporting rod for being symmetricly set on the breast board (1) both ends
(2), the seat bar (3) and the seat bar (3) being connect far from breast board (1) one end with the supporting rod (2) are close to supporting rod
(2) fixed link (4) of one end connection, it is characterised in that：The breast board (1) passes through the first screw (11) and the supporting rod (2)
Upper end connects, and supporting rod (2) lower end is provided with gear (222), and the gear (222) passes through first rotating shaft (223) and institute
State the rotation connection of seat bar (3) one end；
The fixed link (4) passes through third screw (32) and the seat bar (3) at hollow setting, fixed link (4) lower end
It is connected close to one end of supporting rod (2)；The fixed link (4) is internally provided with the volume for driving the supporting rod (2) to reset
Wheel mechanism (6), the driving mechanism (5) for driving the wheel mechanism for rolling (6) to move；The fixed link (4) is close to the support
The side of bar (2) slidably connects the rack (42) engaged with the gear (222), and the fixed link (4) is internally provided with use
In by the movement conduction of the rack (42) to driving mechanism (5) and control the driving mechanism (5) movement transmission mechanism
(7)。
2. a kind of self-resetting hurdles rack according to claim 1, it is characterised in that：Driving mechanism (5) packet
Include the second shaft (51), the clockwork spring (52) with second shaft (51) coaxial arrangement, the free end of the clockwork spring (52) and institute
State fixed link (4) connection；The wheel mechanism for rolling (6) includes third shaft (61), ropewinder (62), elastic string (63), the volume
Device (62) of restricting is coaxially disposed with the third shaft (61), second shaft (51) with the third shaft (61) is coaxial connects
It connects, the clockwork spring (52) and ropewinder (62) are rotated by the second shaft (51) and third shaft (61) with the fixed link (4)
Connection；One end of the elastic string (63) is connect with the ropewinder (62), and the other end is connect with the supporting rod (2)；Institute
It states and is coaxially arranged with the first limiting section (511), second with second shaft (51) between clockwork spring (52) and fixed link (4) side wall
Limiting section (512), the fixed link (4) close to first limiting section (511) side cut outward formed one with it is described
The first limiting slot (44) that first limiting section (511) matches；Between the ropewinder (62) and fixed link (4) side wall with institute
It states third shaft (61) and is coaxially arranged with third limiting section (64), first limit is driven after tightening the clockwork spring (52)
Portion (511) is inserted into first limiting slot (44)；
Between the third shaft (61) and ropewinder (62) several are provided on the outside of the third shaft (61)
Outward at rigidity inwardly at the first limited block (65) of elasticity, be provided on the inside of the ropewinder (62) several outward at
Rigidity is inwardly at the second limited block (66) of elasticity, first limited block (65) and the second limited block (66) reverse setting；
The transmission mechanism (7) includes the mandril (71) being connect far from the supporting rod (2) side with the rack (42), in institute
It states cylindrical fixing portion (72) that mandril (71) upper end is coaxially disposed with mandril (71), connect with the fixed part (72) lower end
4 springs (74), the lever (76) with rotation connection on the inside of the fixed link (4), the spring (74) is around described solid
Determine portion's (72) spaced set and form the cavity (75) of a lower ending opening in the mandril (71) upper end, when the mandril
(71) when the insertion cavity (75) in upper end is interior, the spring (74) is bent outwardly；The lower end of the lever (76) is set to
Spring (74) the lower end side, lever (76) upper end are inserted in first limiting section (511) and the second limiting section
(512) between；When the supporting rod (2) falls down completely, the spring (74) drives lever (76) rotation and by institute
The first limiting section (511) is stated to extract out of the first limiting slot (44).
3. a kind of self-resetting hurdles rack according to claim 2, it is characterised in that：The supporting rod (2) includes
The first support bar (21) and second support bar (22) of hollow lower ending opening, through the first support bar (21) and the second support
Bar (22) side wall is respectively set that there are four with female first mounting hole (211) and the along the axial direction of the supporting rod (2)
Two mounting holes (221)；It is internal that first support bar (21) is inserted into second support bar (22) upper end, by the first support bar
(21) when rising to desired height, the first support bar (21) is connect with second support bar (22) by the second screw (23).
4. a kind of self-resetting hurdles rack according to claim 3, it is characterised in that：Fixed link (4) upper end
Cutting downwards forms one and internal the second limiting slot (45) being connected to of the fixed link (4), and second limiting slot (45) is interior
It is inserted with link block (46), the one end of the elastic string (63) far from the ropewinder (62) passes through second limiting slot (45)
It is connect with the link block (46)；Second limiting slot (45) upper end is rotatably connected to pulley (43) with the fixed link (4),
The second support bar (22) is provided with connection ring (224), the first support bar close to the side upper end of the fixed link (4)
(21) side of the fixed link (4) is provided with the first guide groove (212)；
First the link block (46) is extracted simultaneously out of described second limiting slot (45) when carrying out the fixation of the supporting rod (2)
The elastic string (63) is bypassed into the pulley (43), then the link block (46) is passed through into the connection ring (224) and by institute
Elastic string (63) is stated to connect with second support bar (22).
5. a kind of self-resetting hurdles rack according to claim 2, it is characterised in that：Third shaft (61) position
One end on the outside of fixed link (4) is connected with handle (67).
6. a kind of self-resetting hurdles rack according to claim 1, it is characterised in that：The seat bar (3) is close
One end of the fixed link (4) is cut upwards forms second mounting groove (34), is provided in second mounting groove (34)
A piece connecting rod (8) for connecting two seat bars (3), the connecting rod (8) pass through the 4th screw (81) and the bearing
Bar (3) connects.
7. a kind of self-resetting hurdles rack according to claim 1, it is characterised in that：The seat bar (3) is separate
One end of the supporting rod (2) forms a counterweight chamber (36) to internal cutting, and counterweight chamber (36) side is provided with four
A first adjustment hole (33), the counterweight chamber (36) is interior to be inserted with weight linear meter (9), is provided with through the weight linear meter (9) side wall
Four the second adjustment holes (91) to match with first adjustment hole (33) are inserted into counterweight chamber regulating weight linear meter (9)
(36) after length, the weight linear meter (9) is connect with seat bar (3) by the 5th screw (92).
8. a kind of self-resetting hurdles rack according to claim 7, it is characterised in that：First adjustment hole (33)
Between be provided with the observation panel (35) for being connected to the counterweight chamber (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810471174.4A CN108434764A (en) | 2018-05-17 | 2018-05-17 | A kind of self-resetting hurdles rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810471174.4A CN108434764A (en) | 2018-05-17 | 2018-05-17 | A kind of self-resetting hurdles rack |
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| Publication Number | Publication Date |
|---|---|
| CN108434764A true CN108434764A (en) | 2018-08-24 |
Family
ID=63204481
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810471174.4A Pending CN108434764A (en) | 2018-05-17 | 2018-05-17 | A kind of self-resetting hurdles rack |
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| CN (1) | CN108434764A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109589622A (en) * | 2019-01-29 | 2019-04-09 | 赵祺兴 | A kind of hurdle campaign that can be automatically reset column frame and its application method |
| CN109631589A (en) * | 2018-12-11 | 2019-04-16 | 湖南嘉力亚新材料有限公司 | A kind of baking furnace flame path lid clamp device equipped with pull-out mechanism |
| CN111084999A (en) * | 2020-01-15 | 2020-05-01 | 陕西国防工业职业技术学院 | Hurdle is striden in sports |
| CN111249756A (en) * | 2018-12-03 | 2020-06-09 | 盘锦雨源新创意开发推广有限公司 | Can accomodate hurdle of integration |
| CN113244640A (en) * | 2021-06-29 | 2021-08-13 | 浙江广厦建设职业技术大学 | A safe hurdle device for sports teaching usefulness |
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2018
- 2018-05-17 CN CN201810471174.4A patent/CN108434764A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111249756A (en) * | 2018-12-03 | 2020-06-09 | 盘锦雨源新创意开发推广有限公司 | Can accomodate hurdle of integration |
| CN109631589A (en) * | 2018-12-11 | 2019-04-16 | 湖南嘉力亚新材料有限公司 | A kind of baking furnace flame path lid clamp device equipped with pull-out mechanism |
| CN109589622A (en) * | 2019-01-29 | 2019-04-09 | 赵祺兴 | A kind of hurdle campaign that can be automatically reset column frame and its application method |
| CN109589622B (en) * | 2019-01-29 | 2020-05-08 | 易科医疗器械温州有限公司 | Hurdle capable of automatically resetting and used for hurdle sports and use method thereof |
| CN111084999A (en) * | 2020-01-15 | 2020-05-01 | 陕西国防工业职业技术学院 | Hurdle is striden in sports |
| CN111084999B (en) * | 2020-01-15 | 2021-05-14 | 陕西国防工业职业技术学院 | Hurdle is striden in sports |
| CN113244640A (en) * | 2021-06-29 | 2021-08-13 | 浙江广厦建设职业技术大学 | A safe hurdle device for sports teaching usefulness |
| CN113244640B (en) * | 2021-06-29 | 2022-04-22 | 浙江广厦建设职业技术大学 | A safe hurdle device for sports teaching usefulness |
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Application publication date: 20180824 |
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