CN106799008B - A kind of sit-up trainer - Google Patents
A kind of sit-up trainer Download PDFInfo
- Publication number
- CN106799008B CN106799008B CN201710193374.3A CN201710193374A CN106799008B CN 106799008 B CN106799008 B CN 106799008B CN 201710193374 A CN201710193374 A CN 201710193374A CN 106799008 B CN106799008 B CN 106799008B
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- Prior art keywords
- gear
- holder
- setting
- sit
- hole
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Classifications
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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
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/02—Exercising apparatus specially adapted for particular parts of the body for the abdomen, the spinal column or the torso muscles related to shoulders (e.g. chest muscles)
- A63B23/0205—Abdomen
- A63B23/0211—Abdomen moving torso with immobilized lower limbs
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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
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
- A63B23/04—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Pulmonology (AREA)
- Rehabilitation Tools (AREA)
Abstract
The invention discloses a kind of sit-up trainers, are related to sports equipment field.A kind of sit-up trainer, including abdominal boards and holder, first stabilizer blade is set below the abdominal boards, second stabilizer blade is set below the holder, the abdominal boards includes bottom plate and cover board, forms cavity between the bottom plate and cover board, support plate is arranged in the cavity, dual-axle motor and power supply be set in the support plate, the abdominal boards and between connected with jack by extension rod.Setting gear tripod and hook frame on the holder, the gear tripod and hook frame are adjustable.The beneficial effects of the present invention are：Easy to operate, flexible adjustment of the invention, and application method is various, disclosure satisfy that use demand of the different crowd for sit-up trainer.
Description
Technical field
The invention mainly relates to sports equipment field, specifically a kind of sit-up trainer.
Background technology
With the development and progress of society, the raising of people's living standard, more and more people are kept by body-building
Health.Sit-up trainer can perform physical exercise to human abdomen, eliminate abdominal obesity, have a wide range of application.But it is existing
There is sit-up trainer form to fix, have a single function, it is difficult to meet the use demand of different crowd.
Invention content
To solve the deficiencies in the prior art, the present invention provides a kind of sit-up trainer, it is not only easy to operate, adjusts
Section is flexible, and application method is various, disclosure satisfy that use demand of the different crowd for sit-up trainer.
The present invention to achieve the above object, is achieved through the following technical solutions：
A kind of sit-up trainer, including abdominal boards and holder, abdominal boards lower section setting first
The second stabilizer blade is arranged in foot, the holder lower section, and the abdominal boards includes bottom plate and cover board, shape between the bottom plate and cover board
At cavity, support plate is set in the cavity, dual-axle motor and power supply, the power supply and dual-axle motor are set in the support plate
It is electrically connected, shaft coupling is set on the output shaft of the dual-axle motor both sides, the one end of the shaft coupling far from motor output shaft is set
Leading screw to be set, screw is installed on the leading screw, the screw bottom is fixedly installed connecting rod, limiting slot is arranged in the support plate,
The connecting rod is located at far from screw one end in limiting slot, and the connecting rod is slidably connected with support plate, and the screw is far from double
Hollow pipe is arranged in spindle motor side, and the leading screw is located in hollow pipe, and first through hole is arranged in the bottom plate both sides, and described first is logical
The position in hole is adapted with hollow pipe, knob and the second through-hole is arranged on the cover board, worm screw is arranged in the knob bottom, described
Worm screw bottom end is located at across the second through-hole in cavity, and worm gear is arranged in the worm screw side, and the worm gear is adapted with worm screw, described
Connecting shaft is set in the centre bore of worm gear, and gear is arranged far from worm gear side in the connecting shaft, and the gear is set in connecting shaft
On, rack is arranged in the gear side, and the rack and pinion is adapted, and head protector pad, the rack is arranged in the rack top
Hinged with head protector pad with cover board, extension rod is arranged far from first stabilizer blade one end in the abdominal boards, is arranged on the holder
Jack, the jack are multiple, and multiple jacks are arranged in order from top to bottom on holder, the abdominal boards and holder
Between connection is detachably fixed by extension rod and jack, gear tripod, the holder is arranged far from extension rod side in the holder
The first threaded hole of upper setting, first threaded hole be it is multiple, multiple first threaded holes on holder from top to bottom successively
Arrangement, is bolted between gear tripod and the holder by the first threaded hole, the gear tripod includes connector, the connection
Groove is arranged on the gear foot lever for setting gear foot lever in part both sides, is arranged spring in the groove, in the spring one end and groove
Portion connects, and pull rod is arranged far from inside grooves one end in the spring, and the second threaded hole and third screw thread is arranged in the pull rod bottom
Third through-hole is arranged on the gear foot lever, adjusting bolt is arranged below the third through-hole for hole, and the adjusting bolt passes through third
Through-hole is connect with pull rod screw, setting hook frame below the gear tripod, the 4th threaded hole of setting on the holder, and the described 4th
Threaded hole is multiple, and multiple 4th threaded holes are arranged in order from top to bottom on holder, between the hook frame and holder
It is bolted by the 4th threaded hole.
First bearing seat is set at the top of the cover board, and the worm screw is located in first bearing seat, the cover board bottom setting
Second bearing seat, the connecting shaft are located in second bearing seat.
The connection bolt connected between bolt, hook frame and holder and adjusting bolt between the gear tripod and holder is equal
For wing bolt.
First block is set in the gear foot lever, and first block is located in groove, and second gear is arranged on the pull rod
Block, when first block and the second block are in contact, the position of third through-hole and third threaded hole is adapted.
The quantity of the gear and rack is two, and two racks are fixedly connected with head protector pad.
Limiting plate is arranged in the rack bottom.
Memory foam layer is set on the head protector pad.
Rubber pad is set in the jack.
The extension rod is an integral molding structure with abdominal boards.
The prior art is compared, the beneficial effects of the invention are as follows：
1, the present invention can not only adjust the position of abdominal boards, can also be adjusted to the position of gear tripod and hook frame
Section, easy to operate, flexible adjustment disclosure satisfy that the crowd of different building shape uses the demand of sit-up trainer, and hollow
Pipe and pull rod can also carry out push-up and leg training, application method is more in the case where being not take up training aids parking space
Sample improves body-building effect.
2, first bearing seat plays fixed supporting role to worm screw, and second bearing seat plays fixed support to connecting shaft and makees
With the setting of first bearing seat and second bearing seat improves the stability when present invention uses.
3, wing bolt is specially twisted for convenience of hand, improves the adjusting effect of the dismounting and gear tripod, hook frame of adjusting bolt
Rate.
4, the setting of the first block and the second block can make third threaded hole rapid alignment third through-hole, facilitate adjusting
Pull rod is fixed in bolt.
5, the setting of two rack-and-pinion improves the stability of rack support head protector pad.
6, limiting plate plays position-limiting action to rack, improves the stability of rack-and-pinion operation.
7, memory foam pressure adaptation ability is strong, to human body head when progress sit-up movement suitable for the present invention
Protective effect.
8, it is firm so that the connection between extension rod and jack more fastens for rubber pad, improves the stabilization of entirety of the invention
Property.
9, extension rod and abdominal boards are an integral molding structure, and improve the stabilization that abdominal boards is connect with holder
Property.
Description of the drawings
Attached drawing 1 is overall structure of the present invention；
Attached drawing 2 is cavity inside structural schematic diagram of the present invention；
Attached drawing 3 is holder part structural schematic diagram of the present invention；
Attached drawing 4 is head protector pad of the present invention and cover board connection diagram；
Attached drawing 5 is the portions I of the present invention enlarged drawing.
Label shown in attached drawing：1, abdominal boards；2, holder；3, the first stabilizer blade；4, the second stabilizer blade；5, bottom plate；6, it covers
Plate；7, cavity；8, support plate；9, dual-axle motor；10, shaft coupling；11, leading screw；12, screw；13, connecting rod；14, limiting slot；
15, hollow pipe；16, first through hole；17, knob；18, the second through-hole；19, worm screw；20, worm gear；21, connecting shaft；22, gear；
23, rack；24, head protector pad；25, extension rod；26, jack；27, tripod is kept off；28, the first threaded hole；29, connector；30, foot is kept off
Bar；31, groove；32, spring；33, pull rod；34, the second threaded hole；35, third threaded hole；36, third through-hole；37, spiral shell is adjusted
Bolt；38, hook frame；39, the 4th threaded hole；40, first bearing seat；41, second bearing seat；42, the first block；43, second gear
Block；44；Limiting plate；45, memory foam layer.
Specific implementation mode
With reference to the drawings and specific embodiments, the invention will be further described.It should be understood that these embodiments are merely to illustrate
The present invention rather than limit the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, this field
Technical staff can make various changes or modifications the present invention, and such equivalent forms equally fall within range defined herein.
A kind of sit-up trainer, including abdominal boards 1 and holder 2,1 lower section setting first of the abdominal boards
The second stabilizer blade 4 is arranged in stabilizer blade 3,2 lower section of the holder, and the abdominal boards 1 includes bottom plate 5 and cover board 6,5 He of the bottom plate
Cavity 7 is formed between cover board 6, and support plate 8 is set in the cavity 7, dual-axle motor 9 and power supply, institute are set in the support plate 8
It states power supply to be electrically connected with dual-axle motor 9, abdominal boards is equipped with power switch and motor switch, the output shaft energy of dual-axle motor
Enough carry out positive and negative rotation.Shaft coupling 10 is set on the output shaft of 9 both sides of the dual-axle motor, and the shaft coupling 10 is exported far from motor
Leading screw 11 is arranged in one end of axis, screw 12 is installed on the leading screw 11, connecting rod 13 is fixedly installed in 12 bottom of the screw, described
Limiting slot 14 is set in support plate 8, the connecting rod 13 is located at far from 12 one end of screw in limiting slot 14, the connecting rod 13 and
Support plate 8 is slidably connected, and hollow pipe 15 is arranged far from 9 side of dual-axle motor in the screw 12, and the leading screw 11 is located at hollow pipe
In 15, electric motor starting, both sides output shaft is rotated, and drives leading screw to be rotated by shaft coupling, in limiting slot and connecting rod
Under the action of, screw is slided, and hollow pipe is driven to be moved to both sides, stretches out first through hole, and people is facilitated to carry out push-up
Training.First through hole 16 is arranged in 5 both sides of the bottom plate, and position and the hollow pipe 15 of the first through hole 16 are adapted, the lid
Knob 17 and the second through-hole 18 are set on plate 6, and worm screw 19 is arranged in 17 bottom of the knob, and 19 bottom end of the worm screw passes through second to lead to
Hole 18 is located in cavity 7, and worm gear 20 is arranged in 19 side of the worm screw, and the worm gear 20 is adapted with worm screw 19, the worm gear 20
Centre bore in connecting shaft 21 is set, gear 22 is arranged far from 20 side of worm gear in the connecting shaft 21, and the gear 22 is set in
In connecting shaft 21, rack 23 is arranged in 22 side of the gear, and the rack 23 is adapted with gear 22, and 23 top of the rack is set
Head protector pad 24 is set, the rack 23 and cover board 6 are hinged with head protector pad 24, as shown in Fig. 4, the articulation piece of head protector pad and cover board
It is located remotely from extension rod side, does not influence the normal use of head protector pad close to the side of extension rod, rack below head protector pad.
Extension rod 25 is arranged far from 3 one end of the first stabilizer blade in the abdominal boards 1, and as shown in Fig. 2, worm and gear and rack-and-pinion are matched
Close setting, can flexible modulation head protector pad, meet the needs of different crowd.Jack 26, the jack 26 are set on the holder 2
To be multiple, multiple jacks 26 are arranged in order from top to bottom on holder 2, are passed through between the abdominal boards 1 and holder 2
Extension rod 25 and jack 26 are detachably fixed connection, and the setting of multiple jacks can adjust the position of abdominal boards.The branch
Gear tripod 27 is arranged far from 25 side of extension rod in frame 2, and the first threaded hole 28, first threaded hole 28 is arranged on the holder 2
To be multiple, multiple first threaded holes 28 are arranged in order from top to bottom on holder 2, and the first threaded hole can adjust gear tripod
Position.It is bolted by the first threaded hole 28 between the gear tripod 27 and holder 2, the gear tripod 27 includes connector
29, the setting of 29 both sides of the connector keeps off foot lever 30, and groove 31 is arranged on the gear foot lever 30, spring is arranged in the groove 31
32,32 one end of the spring is connect with 31 inside of groove, and pull rod 33 is arranged far from 31 inside one end of groove in the spring 32, described
33 bottom of pull rod is arranged the second threaded hole 34 and third threaded hole 35, setting third through-hole 36 on the gear foot lever 30, and described the
Adjusting bolt 37 is arranged in three through-holes, 36 lower section, and the adjusting bolt 37 is threadedly coupled across third through-hole 36 with pull rod 33, pull rod
When in use, adjusting bolt is unloaded from the second threaded hole, then pull rod pulls outward out of groove, make the position of third threaded hole
Alignment third through-hole is set, then adjusting bolt is connect by third through-hole with third threaded hole, after fixing pull rod, carries out leg
Training.Hook frame 38 is arranged in 27 lower section of the gear tripod, and the 4th threaded hole 39, the 4th threaded hole is arranged on the holder 2
39 be multiple, and multiple 4th threaded holes 39 are arranged in order from top to bottom on holder 2, and the 4th threaded hole can adjust hook
The position of frame.It is bolted by the 4th threaded hole 39 between the hook frame 38 and holder 2.The present invention can not only be adjusted and be faced upward
It has crouched the position of seat, the position of gear tripod and hook frame can be also adjusted, easy to operate, flexible adjustment disclosure satisfy that
The crowd of different building shape uses the demand of sit-up trainer, and hollow pipe and pull rod are being not take up training aids parking space
In the case of, push-up and leg training can be also carried out, application method is various, improves body-building effect.
In order to improve the stability when present invention uses, first bearing seat 40, the worm screw is arranged in 6 top of the cover board
19 are located in first bearing seat 40, and second bearing seat 41 is arranged in 6 bottom of the cover board, and the connecting shaft 21 is located at second bearing seat
In 41.First bearing seat plays fixed supporting role to worm screw, and second bearing seat plays fixed supporting role to connecting shaft, and first
The setting of bearing block and second bearing seat improves the stability when present invention uses.
In order to improve adjusting bolt dismounting and gear tripod, hook frame adjusting efficiency, the gear tripod 27 and holder 2 it
Between connection bolt, the connection bolt between hook frame 38 and holder 2 and adjusting bolt 37 be butterfly-shaped bolt.Wing bolt is special
Door is twisted operation for convenience of hand and is designed, and the butterfly design on head increases lateral stressed face, when hand being made to twist more efficiently.Butterfly spiral shell
Bolt is specially twisted for convenience of hand, and the adjusting efficiency of the dismounting and gear tripod, hook frame of adjusting bolt is improved.
Pull rod is fixed in order to facilitate adjusting bolt, the first block 42 of setting in the gear foot lever 30, described first
Block 42 is located in groove 31, and the second block 43 is arranged on the pull rod 33, when 42 and second block of the first block, 43 phase
When contact, third through-hole 36 and the position of third threaded hole 35 are adapted.The setting of first block and the second block can make
Three threaded hole rapid alignment third through-holes, facilitate adjusting bolt that pull rod is fixed.
In order to improve the stability of rack support head protector pad, the quantity of the gear 22 and rack 23 is two, and two
A rack 23 is fixedly connected with head protector pad 24.The setting of two rack-and-pinion improves the steady of rack support head protector pad
It is qualitative.
In order to improve the stability of rack-and-pinion operation, limiting plate 44 is arranged in 23 bottom of the rack.Limiting plate is to rack
Position-limiting action is played, the stability of rack-and-pinion operation is improved.
In order to when carrying out sit-ups training, memory foam is arranged on the head protector pad 24 in effective protection human body head
Layer 45.Memory foam pressure adaptation ability is strong, the protection suitable for the present invention when progress sit-up movement to human body head
Effect.
It is firm in order to make the connection between extension rod and jack more fasten, rubber pad is set in the jack 26.Rubber
It is firm that pad so that the connection between extension rod and jack more fastens, and improves the stability of entirety of the invention.
In order to improve the stability that abdominal boards is connect with holder, the extension rod 25 is integrated with abdominal boards 1
Molding structure.Extension rod is an integral molding structure with abdominal boards, improves the stability that abdominal boards is connect with holder.
In the use of the present invention, can be with position that adjusting bracket is connect with abdominal boards and gear tripod and hook frame
Position, the crowd to adapt to different building shape, leg type carry out sit-ups training, and easy to operate, flexible adjustment is gone back when in use
The position that head protector pad can be adjusted by knob, for protecting the head of trainer.
In addition, when needing to carry out push-up training, it is only necessary to start dual-axle motor, so that both sides hollow pipe is stretched out first logical
Hole, both hands catch hollow pipe to be trained, and in training, the position of head protector pad is adjusted to rack in vertical by knob
Straight state contacts head protector pad with forehead, keeps trainer's specification when pressing your body up from the floor with your arms and then lower it slowly effective；It, will when needing to carry out leg training
Pull rod is pulled out out of gear foot lever and is fixed, and trainer head is located at extension rod position, and downward, both hands reverse grip pull rod carries out leg at back
Portion trains, and after the completion of training, by starting the reversion button of motor, by hollow pipe retraction cavity, adjusting bolt unloads, in bullet
Under spring pulling force, in pull rod retraction groove, it is not take up space using the when of putting is finished, easily and effectively.
Embodiment 1：
A kind of sit-up trainer, including abdominal boards 1 and holder 2,1 lower section setting first of the abdominal boards
The second stabilizer blade 4 is arranged in stabilizer blade 3,2 lower section of the holder, and the abdominal boards 1 includes bottom plate 5 and cover board 6,5 He of the bottom plate
Cavity 7 is formed between cover board 6, can be glued between cover board and bottom plate, can be with grafting, in the present embodiment, cover board and bottom plate grafting.
Support plate 8 is set in the cavity 7, and setting dual-axle motor 9 and power supply in the support plate 8, in the present embodiment, power supply is electric power storage
Pond, dual-axle motor can clockwise and anticlockwise motors using the twin shaft of LX31WG models.Support plate can be plugged on base plate interior, can also be with
Base plate interior is threadedly coupled, and in the present embodiment, support plate is threadedly coupled with base plate interior, and support plate connects with dual-axle motor bolt
It connects.The power supply is electrically connected with dual-axle motor 9, and shaft coupling 10, the shaft coupling are arranged on the output shaft of 9 both sides of the dual-axle motor
Leading screw 11 is arranged in the one end of device 10 far from motor output shaft, installs screw 12 on the leading screw 11,12 bottom of the screw is fixed
Connecting rod 13 is set, and in the present embodiment, connecting rod is welded on screw.Limiting slot 14, the connection are set in the support plate 8
Bar 13 is located at far from 12 one end of screw in limiting slot 14, and the connecting rod 13 is slidably connected with support plate 8, and the screw 12 is separate
Hollow pipe 15 is arranged in 9 side of dual-axle motor, and in the present embodiment, hollow pipe is welded on screw.The leading screw 11 is located at hollow pipe
In 15, first through hole 16 is arranged in 5 both sides of the bottom plate, and position and the hollow pipe 15 of the first through hole 16 are adapted, the lid
Knob 17 and the second through-hole 18 be set on plate 6, and 17 bottom of the knob is arranged worm screw 19, and in the present embodiment, knob is pushed up with worm screw
Portion is threadedly coupled, and knob can drive worm screw to rotate.19 bottom end of the worm screw is located at across the second through-hole 18 in cavity 7, the snail
Worm gear 20 is arranged in 19 side of bar, and the worm gear 20 is adapted with worm screw 19, and connecting shaft 21 is arranged in the centre bore of the worm gear 20,
Gear 22 is arranged far from 20 side of worm gear in the connecting shaft 21, and the gear 22 is set in connecting shaft 21, in the present embodiment, snail
Wheel, gear are keyed with connecting shaft.Rack 23 is arranged in 22 side of the gear, and the rack 23 is adapted with gear 22, institute
State 23 top of rack setting head protector pad 24,23 top of the rack is arranged head protector pad 24, and the rack 23 and cover board 6 are and head protector
Pad 24 is hinged, and extension rod 25 is arranged far from 3 one end of the first stabilizer blade in the abdominal boards 1, and jack 26 is arranged on the holder 2,
The jack 26 is multiple, and multiple jacks 26 are arranged in order from top to bottom on holder 2, the abdominal boards 1 and branch
Connection is detachably fixed by extension rod 25 and jack 26 between frame 2, gear tripod is arranged far from 25 side of extension rod in the holder 2
27, the first threaded hole 28 is set on the holder 2, and first threaded hole 28 is multiple, and multiple first threaded holes 28 exist
It is arranged in order on holder 2, is bolted by the first threaded hole 28 between the gear tripod 27 and holder 2 from top to bottom, it is described
It includes connector 29 to keep off tripod 27, and the setting of 29 both sides of the connector keeps off foot lever 30, groove 31, institute is arranged on the gear foot lever 30
It states and spring 32 is set in groove 31, in the present embodiment, both ends of the spring is welded on gear foot lever and pull rod.32 one end of the spring with
Pull rod 33,33 bottom of pull rod setting second is arranged far from 31 inside one end of groove in 31 inside connection of groove, the spring 32
Threaded hole 34 and third threaded hole 35, third through-hole 36 is arranged on the gear foot lever 30, and 36 lower section setting of the third through-hole is adjusted
Bolt 37 is saved, the adjusting bolt 37 is threadedly coupled across third through-hole 36 with pull rod 33, and 27 lower section setting of the gear tripod hooks
Tripod 38, the 4th threaded hole 39 is arranged on the holder 2, and the 4th threaded hole 39 is multiple, multiple 4th threaded holes
39 are arranged in order from top to bottom on holder 2, are bolted by the 4th threaded hole 39 between the hook frame 38 and holder 2.
The present invention can not only adjust the position of abdominal boards, and also the position of gear tripod and hook frame can be adjusted, operation letter
Single, flexible adjustment disclosure satisfy that the crowd of different building shape uses the demand of sit-up trainer, and hollow pipe and pull rod exist
In the case of being not take up training aids parking space, push-up and leg training can be also carried out, application method is various, improves strong
Body effect.The top of the cover board 6 is arranged first bearing seat 40, and in the present embodiment, first bearing seat is threadedly coupled with cover board.It is described
Worm screw 19 is located in first bearing seat 40, and second bearing seat 41 is arranged in 6 bottom of the cover board, and the connecting shaft 21 is located at the second axis
In bearing 41.In the present embodiment, second bearing seat is connect with cover plate bolt.First bearing seat plays fixed support to worm screw and makees
With second bearing seat plays fixed supporting role to connecting shaft, and the setting of first bearing seat and second bearing seat improves this hair
Stability when bright use.The connection between connection bolt, hook frame 38 and holder 2 between the gear tripod 27 and holder 2
Bolt and adjusting bolt 37 are butterfly-shaped bolt.Wing bolt is specially twisted for convenience of hand, and dismounting and the gear of adjusting bolt are improved
The adjusting efficiency of tripod, hook frame.First block 42 is set in the gear foot lever 30, and first block 42 is located at groove 31
It is interior, the second block 43 is set on the pull rod 33, when first block, 42 and second block 43 is in contact, third through-hole 36
It is adapted with the position of third threaded hole 35.In the present embodiment, the first block is plugged on gear foot lever, and the second block is plugged on drawing
At the top of bar.The setting of first block and the second block can make third threaded hole rapid alignment third through-hole, facilitate adjusting bolt
Pull rod is fixed.The quantity of the gear 22 and rack 23 is two, and two racks 23 are solid with head protector pad 24
Fixed connection.The setting of two rack-and-pinion improves the stability of rack support head protector pad.The setting limit of 23 bottom of the rack
Plate 44.Limiting plate plays position-limiting action to rack, improves the stability of rack-and-pinion operation.Note is set on the head protector pad 24
Recall spongy layer 45.In the present embodiment, it is glued at the top of memory foam layer and head protector pad.Memory foam pressure adaptation ability is strong, is applicable in
Protective effect in the present invention when progress sit-up movement to human body head.Rubber pad is set in the jack 26.This reality
It applies in example, rubber pad is glued in jack.It is firm that rubber pad so that the connection between extension rod and jack more fastens, and improves
The stability of present invention entirety.The extension rod 25 is an integral molding structure with abdominal boards 1.Extension rod and abdominal boards
It is an integral molding structure, improves the stability that abdominal boards is connect with holder.The advantageous effect of the present embodiment is：The present invention
Easy to operate, flexible adjustment, application method is various, disclosure satisfy that use demand of the different crowd for sit-up trainer.
Claims (9)
1. a kind of sit-up trainer, including abdominal boards (1) and holder (2), abdominal boards (1) lower section setting
First stabilizer blade (3), holder (2) lower section second stabilizer blade of setting (4), it is characterised in that：The abdominal boards (1) includes bottom
Plate (5) and cover board (6) form cavity (7), support plate are arranged in the cavity (7) between the bottom plate (5) and cover board (6)
(8), dual-axle motor (9) is set on the support plate (8) and power supply, the power supply is electrically connected with dual-axle motor (9), the twin shaft
Shaft coupling (10) is set on the output shaft of motor (9) both sides, and silk is arranged in the one end of the shaft coupling (10) far from motor output shaft
Thick stick (11), installation screw (12) on the leading screw (11), screw (12) the bottom fixed setting connecting rod (13), the support
Limiting slot (14) is set on plate (8), and the connecting rod (13) is located at far from screw (12) one end in limiting slot (14), the connection
Bar (13) is slidably connected with support plate (8), and the screw (12) is described far from dual-axle motor (9) side setting hollow pipe (15)
Leading screw (11) is located in hollow pipe (15), bottom plate (5) the both sides setting first through hole (16), the position of the first through hole (16)
It sets and is adapted with hollow pipe (15), knob (17) and the second through-hole (18), knob (17) bottom are set on the cover board (6)
Worm screw (19) is set, and worm screw (19) bottom end is located at across the second through-hole (18) in cavity (7), and worm screw (19) side is set
Worm gear (20) is set, the worm gear (20) is adapted with worm screw (19), setting connecting shaft (21) in the centre bore of the worm gear (20),
The connecting shaft (21) is set in far from worm gear (20) side setting gear (22), the gear (22) in connecting shaft (21), institute
Gear (22) side setting rack (23) is stated, the rack (23) is adapted with gear (22), rack (23) the top setting
Head protector pad (24), the rack (23) and cover board (6) are hinged with head protector pad (24), and the abdominal boards (1) is far from first
Extension rod (25) is arranged in stabilizer blade (3) one end, and jack (26) is arranged on the holder (2), and the jack (26) is multiple, Duo Gesuo
It states jack (26) to be arranged in order from top to bottom on holder (2), passes through extension between the abdominal boards (1) and holder (2)
Bar (25) and jack (26) are detachably fixed connection, and the holder (2) is far from extension rod (25) side setting gear tripod (27), institute
It states and the first threaded hole (28) is set on holder (2), first threaded hole (28) is multiple, multiple first threaded holes (28)
It is arranged in order from top to bottom on holder (2), passes through the first threaded hole (28) bolt between the gear tripod (27) and holder (2)
Connection, the gear tripod (27) includes connector (29), connector (29) the both sides setting gear foot lever (30), the gear foot lever
(30) groove (31) is set on, spring (32) is set in the groove (31), described spring (32) one end is internal with groove (31)
Connection, for the spring (32) far from the internal one end setting pull rod (33) of groove (31), the second spiral shell is arranged in pull rod (33) bottom
Pit (34) and third threaded hole (35), setting third through-hole (36) on the gear foot lever (30), under the third through-hole (36)
Side's setting adjusting bolt (37), the adjusting bolt (37) are threadedly coupled across third through-hole (36) with pull rod (33), the gear
Hook frame (38) is set below tripod (27), the 4th threaded hole (39), the 4th threaded hole (39) are set on the holder (2)
To be multiple, multiple 4th threaded holes (39) are arranged in order from top to bottom on holder (2), the hook frame (38) and holder
(2) it is bolted by the 4th threaded hole (39) between.
2. a kind of sit-up trainer according to claim 1, it is characterised in that：Setting the at the top of the cover board (6)
One bearing block (40), the worm screw (19) are located in first bearing seat (40), and second bearing seat is arranged in cover board (6) bottom
(41), the connecting shaft (21) is located in second bearing seat (41).
3. a kind of sit-up trainer according to claim 1, it is characterised in that：The gear tripod (27) and holder
(2) connection bolt, hook frame (38) between and the connection bolt between holder (2) and adjusting bolt (37) are butterfly-shaped spiral shell
Bolt.
4. a kind of sit-up trainer according to claim 1, it is characterised in that：Setting the in the gear foot lever (30)
One block (42), first block (42) are located in groove (31), the second block (43) are arranged on the pull rod (33), works as institute
It states the first block (42) and when the second block (43) is in contact, third through-hole (36) and the position of third threaded hole (35) is mutually fitted
It answers.
5. a kind of sit-up trainer according to claim 1, it is characterised in that：The gear (22) and rack (23)
Quantity be two, two racks (23) are fixedly connected with head protector pad (24).
6. a kind of sit-up trainer according to claim 1, it is characterised in that：Rack (23) the bottom setting limit
Position plate (44).
7. a kind of sit-up trainer according to claim 1, it is characterised in that：Note is set on the head protector pad (24)
Recall spongy layer (45).
8. a kind of sit-up trainer according to claim 1, it is characterised in that：Rubber is set in the jack (26)
Pad.
9. a kind of sit-up trainer according to claim 1, it is characterised in that：It the extension rod (25) and has lain on the back
Seat (1) is an integral molding structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710193374.3A CN106799008B (en) | 2017-03-28 | 2017-03-28 | A kind of sit-up trainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710193374.3A CN106799008B (en) | 2017-03-28 | 2017-03-28 | A kind of sit-up trainer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106799008A CN106799008A (en) | 2017-06-06 |
| CN106799008B true CN106799008B (en) | 2018-11-02 |
Family
ID=58981744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710193374.3A Expired - Fee Related CN106799008B (en) | 2017-03-28 | 2017-03-28 | A kind of sit-up trainer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106799008B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107096179A (en) * | 2017-06-23 | 2017-08-29 | 平湖市酷风文体用品有限公司 | A kind of Multifunctional situp device |
| CN112337051B (en) * | 2020-10-30 | 2021-09-21 | 乌海市鑫山文武体育科技有限公司 | Sports equipment for rehabilitation training |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100247230B1 (en) * | 1997-07-12 | 2000-04-01 | 김형준 | Driving device for sports machine |
| CN204411588U (en) * | 2014-12-18 | 2015-06-24 | 李彦鹏 | A kind of abdominal boards |
| CN204709710U (en) * | 2015-06-10 | 2015-10-21 | 何纪江 | A kind of abdominal boards that can be elevated |
| CN106422192B (en) * | 2016-12-01 | 2018-10-12 | 王信荣 | A kind of instrument having both arm strength exercise and abdominal exercise |
-
2017
- 2017-03-28 CN CN201710193374.3A patent/CN106799008B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN106799008A (en) | 2017-06-06 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181102 Termination date: 20190328 |