CN108969998A - A kind of sit-ups chair of quick adjustable inclination - Google Patents
A kind of sit-ups chair of quick adjustable inclination Download PDFInfo
- Publication number
- CN108969998A CN108969998A CN201810992241.7A CN201810992241A CN108969998A CN 108969998 A CN108969998 A CN 108969998A CN 201810992241 A CN201810992241 A CN 201810992241A CN 108969998 A CN108969998 A CN 108969998A
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- CN
- China
- Prior art keywords
- fixedly installed
- sit
- bevel gear
- movable plate
- pedestal
- Prior art date
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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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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Chairs Characterized By Structure (AREA)
Abstract
The invention discloses a kind of sit-ups chairs of quick adjustable inclination, including pedestal, the right end of the pedestal is fixedly installed with fixing seat, mounting hole is offered in the middle part of the fixing seat, rotating bar is provided on the inside of the mounting hole, the rotating bar is fixedly connected with movable plate, the lower end of the movable plate offers sliding slot, slide bar is slidably fitted on the inside of the sliding slot, the slide bar is fixedly installed with the upper end of support plate, the lower part of the movable plate is fixedly installed with traveling nut, the traveling nut is set to the outside of screw rod, the screw rod is rotatablely installed by first bearing seat in the upper end of pedestal, the right end of the screw rod is fixedly installed with first bevel gear, the first bevel gear and second bevel gear are sequentially connected, the second bevel gear is fixedly connected with shaft, the end of the shaft is fixedly installed with turntable.The sit-ups chair, structure is simple, can be convenient and efficiently the tilt angle of movable plate is adjusted, strong applicability.
Description
Technical field
The invention belongs to body-building apparatus technical fields, and in particular to a kind of sit-ups chair of quick adjustable inclination.
Background technique
Sit-ups chair in actual use, can be lain on the back according to personal exercise schedule and physical condition, adjusting
The tilt angle for playing seat reinforces the effect taken exercise, and sit-ups chair currently on the market is needed through hand disassembly end
Support plate, be fixed after tensile elongation again, it is complicated for operation to adjust the tilt angle of sit-ups chair, increase and temper people
Movement burden, come into operation so needing to design a kind of doing sit-ups chair.
Summary of the invention
The purpose of the present invention is to provide a kind of sit-ups chairs of quick adjustable inclination to come into operation, to solve above-mentioned back
The problem of being proposed in scape technology.
To achieve the above object, the invention provides the following technical scheme: a kind of sit-ups chair of quick adjustable inclination, packet
Pedestal is included, the right end of the pedestal is fixedly installed with fixing seat, and mounting hole, the mounting hole are offered in the middle part of the fixing seat
Inside be provided with rotating bar, the rotating bar is fixedly connected with movable plate, and the left end of the movable plate passes through holder pivots and pacifies
Equipped with roller, the lower end of the movable plate offers sliding slot, and slide bar is slidably fitted on the inside of the sliding slot, and the slide bar is fixed
The upper end of support plate is installed, the side of the support plate offers first positioning hole, the inside setting of the first positioning hole
There is a top straight-bar of U-shaped positioning pin, the lower part straight-bar of the U-shaped positioning pin is set to the inside of second location hole, and described second
Location hole is opened in the side of sliding rail, and the lower part of the movable plate is fixedly installed with traveling nut, and the traveling nut is set to
The outside of screw rod, the screw rod are rotatablely installed by first bearing seat in the upper end of pedestal, and the right end of the screw rod is fixedly mounted
There is first bevel gear, the first bevel gear and second bevel gear are sequentially connected, and the second bevel gear is fixedly connected with shaft,
The end of the shaft is fixedly installed with turntable.
Preferably, the upper end of the support plate is opened up there are two mounting groove, and the inside of two mounting grooves connects by first
Spindle is rotatably equipped with idler wheel.
Preferably, the lower end of the support plate is fixedly installed with limited block, and the limited block is slidably fitted in sliding rail
Portion, and sliding rail is fixedly installed in the left end of pedestal.
Preferably, the top and bottom of the bracket pass through the second connecting shaft and are rotatably equipped with roller, and roller is outer
Rubber sleeve is arranged in side.
Preferably, the right part of the movable plate is fixedly installed with baffle, and the side of baffle is equipped with rubber pad.
Preferably, the shaft is rotatablely installed by second bearing seat in the right part of the upper end of pedestal, and the both ends of shaft
It is fixedly installed with turntable and second bevel gear respectively.
Technical effect and advantage of the invention: the sit-ups chair of the quick adjustable inclination, by rotating turntable, turntable band
Turn axis drives second bevel gear rotation, and second bevel gear drives first bevel gear to rotate by tooth engagement, first bevel gear band
Dynamic screw rod rotation, screw rod rotates so that traveling nut is translated along screw rod, thus support plate or so translation, the cunning of support plate upper end
Bar is slided along sliding slot, and the tilt angle of movable plate is adjusted, and is conveniently adjusted to the tilt angle of movable plate
Section eliminates and carries out the complex steps that disassembly stretching is installed again to end support plate, alleviates the movement burden of exercisor.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the bottom view of movable plate；
Fig. 3 is the connection schematic diagram of support plate and sliding rail；
Fig. 4 is the structural schematic diagram of support plate.
In figure: 1 movable plate, 2 baffles, 3 rubber pads, 4 fixing seats, 5 pedestals, 6 mounting holes, 7 rotating bars, 8 brackets, 9 second
Connecting shaft, 10 rubber sleeves, 11 rollers, 12 support plates, 13 screw rods, 14 traveling nuts, 15 sliding rails, 16 first bearing seats, 17 first
Angular wheel, 18 second angular wheels, 19 turntables, 20 shafts, 21 second bearing seats, 22 sliding slots, 23 limited blocks, 24 slide bars, 25
Idler wheel, 26 mounting grooves, 27 first connecting shafts, 28 second location holes, 29 first positioning holes, 30U shape positioning pin.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It is described the present invention provides a kind of sit-ups chair of quick adjustable inclination as shown in Figs 1-4, including pedestal 5
The right end of pedestal 5 is fixedly installed with fixing seat 4, and the middle part of the fixing seat 4 offers mounting hole 6, the inside of the mounting hole 6
It is provided with rotating bar 7, the rotating bar 7 is fixedly connected with movable plate 1, and the left end of the movable plate 1 is rotatablely installed by bracket 8
There is roller 11, the lower end of the movable plate 1 offers sliding slot 22, and the inside of the sliding slot 22 is slidably fitted with slide bar 24, described
Slide bar 24 is fixedly installed with the upper end of support plate 12, and the side of the support plate 12 offers first positioning hole 29, and described first
The inside of location hole 29 is provided with the top straight-bar of U-shaped positioning pin 30, and the lower part straight-bar of the U-shaped positioning pin 30 is set to second
The inside of location hole 28, the second location hole 28 are opened in the side of sliding rail 15, and the lower part of the movable plate 1 is fixedly installed with
Traveling nut 14, the traveling nut 14 are set to the outside of screw rod 13, and the screw rod 13 passes through the rotation peace of first bearing seat 16
Upper end loaded on pedestal 5, the right end of the screw rod 13 are fixedly installed with first bevel gear 17, the first bevel gear 17 and second
Bevel gear 18 is sequentially connected, and the second bevel gear 18 is fixedly connected with shaft 20, and the end of the shaft 20 is fixedly installed with
Turntable 19.
Specifically, the upper end of the support plate 12 is opened up, there are two mounting grooves 26, and the inside of two mounting grooves 26 passes through
First connecting shaft 27 is rotatably equipped with idler wheel 25, is rolled by idler wheel 25 along 26 bottom of sliding slot, guarantees that support plate 12 can be with
The lower end of movable plate 1 stablize it is smooth along sliding slot 26 slide, conveniently adjust movable plate 1 tilt angle.
Specifically, the lower end of the support plate 12 is fixedly installed with limited block 23, the limited block 23 is slidably fitted with cunning
The middle part of rail 15, and sliding rail 15 is fixedly installed in the left end of pedestal 5, limited block 23 drives limit in the horizontal sliding in 15 middle part of sliding rail
The support plate 12 of position 23 upper end of block moves horizontally, and avoids support plate 12 from shifting, causes 1 tilt adjustment of movable plate unstable
Situation.
Specifically, the top and bottom of the bracket 8, which pass through the second connecting shaft 9, is rotatably equipped with roller 11, and roller
Rubber sleeve 10 is arranged in 11 outside, and exercisor passes through shank between two rollers 11, and catches on pedestal lower end with foot
Roller 11, leg is fixed, facilitates carry out sit-ups, and rubber sleeve 10 provides buffering, avoid roller 11 and shank and
Foot, which squeezes, causes uncomfortable feeling.
Specifically, the right part of the movable plate 1 is fixedly installed with baffle 2, and the side of baffle 2 is equipped with rubber pad 3, prevents
Only during exercise, head, which falls, than comparatively fast encounters on movable plate 1, causes injury of human, promotes the sit-ups chair
Safety.
Specifically, the shaft 20 is rotatablely installed by second bearing seat 21 in the right part of the upper end of pedestal 5, and shaft 20
Both ends be fixedly installed with turntable 19 and second bevel gear 18 respectively, by rotate turntable 19, turntable 19 drive shaft 20 rotate,
Shaft 20 drives second bevel gear 18 to rotate, and second bevel gear 18 drives first bevel gear 17 to rotate by tooth engagement, the first cone
Gear 17 drives screw rod 13 to rotate, and screw rod 13 rotates so that traveling nut 14 is translated along screw rod 13, thus support plate 12 or so
The slide bar 24 of translation, 12 upper end of support plate is slided along sliding slot 22, and the tilt angle of movable plate 1 is adjusted.
Working principle: before performing physical exercise, the tilt angle of movable plate 1 is first adjusted, by rotating turntable 19, turntable 19
Shaft 20 is driven to rotate, shaft 20 drives second bevel gear 18 to rotate, and second bevel gear 18 drives the first cone tooth by tooth engagement
17 rotations are taken turns, first bevel gear 17 drives screw rod 13 to rotate, and screw rod 13 rotates so that traveling nut 14 is along the translation of screw rod 13, branch
The idler wheel 25 of 12 upper end of fagging is rolled along 26 bottom of sliding slot, and the limited block 23 of 12 lower end of support plate is sliding at the middle part of sliding rail 15
Dynamic, so that support plate 12 or so translates, the slide bar 24 of 12 upper end of support plate is slided along sliding slot 22, to movable plate 1 with rotating bar 7
Centered on rotated, change tilt angle, the top straight-bar of U-shaped positioning pin 30 and lower part straight-bar be then inserted respectively into the
It is unexpected sliding to be locked from movable plate 12 by the inside of a positioning hole 29 and second location hole 28 for the position of movable plate 12 and sliding rail 15
It is dynamic, the angle of movable plate 12 is fixed, people is then tempered and lies to the upper end of movable plate 1, by shank from two rollers 11 it
Between pass through, and catch on the roller 11 of pedestal lower end with foot, leg fixed, carry out sit-ups are facilitated.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (6)
1. a kind of sit-ups chair of quick adjustable inclination, including pedestal (5), it is characterised in that: the right end of the pedestal (5) is solid
Dingan County is equipped with fixing seat (4), offers mounting hole (6) in the middle part of the fixing seat (4), the inside setting of the mounting hole (6)
Have rotating bar (7), the rotating bar (7) is fixedly connected with movable plate (1), and the left end of the movable plate (1) is turned by bracket (8)
Dynamic to be equipped with roller (11), the lower end of the movable plate (1) offers sliding slot (22), is slidably installed on the inside of the sliding slot (22)
Have slide bar (24), the slide bar (24) is fixedly installed with the upper end of support plate (12), and the side of the support plate (12) offers
First positioning hole (29) is provided with the top straight-bar of U-shaped positioning pin (30), the U-shaped on the inside of the first positioning hole (29)
The lower part straight-bar of positioning pin (30) is set to the inside of second location hole (28), and the second location hole (28) is opened in sliding rail
(15) lower part of side, the movable plate (1) is fixedly installed with traveling nut (14), and the traveling nut (14) is set to silk
The outside of bar (13), the screw rod (13) are rotatablely installed by first bearing seat (16) in the upper end of pedestal (5), the screw rod
(13) right end is fixedly installed with first bevel gear (17), and the first bevel gear (17) and second bevel gear (18) transmission connect
It connects, the second bevel gear (18) is fixedly connected with shaft (20), and the end of the shaft (20) is fixedly installed with turntable (19).
2. a kind of sit-ups chair of quick adjustable inclination according to claim 1, it is characterised in that: the support plate
(12) upper end is opened up there are two mounting groove (26), and the inside of two mounting grooves (26) is rotated by the first connecting shaft (27)
Idler wheel (25) are installed.
3. a kind of sit-ups chair of quick adjustable inclination according to claim 1, it is characterised in that: the support plate
(12) lower end is fixedly installed with limited block (23), and the limited block (23) is slidably fitted with the middle part of sliding rail (15), and sliding rail
(15) it is fixedly installed in the left end of pedestal (5).
4. a kind of sit-ups chair of quick adjustable inclination according to claim 1, it is characterised in that: the bracket (8)
Top and bottom pass through the second connecting shaft (9) and be rotatably equipped with roller (11), and be provided with rubber on the outside of roller (11)
It covers (10).
5. a kind of sit-ups chair of quick adjustable inclination according to claim 1, it is characterised in that: the movable plate
(1) right part is fixedly installed with baffle (2), and the side of baffle (2) is equipped with rubber pad (3).
6. a kind of sit-ups chair of quick adjustable inclination according to claim 1, it is characterised in that: the shaft (20)
It is rotatablely installed by second bearing seat (21) in the right part of the upper end of pedestal (5), and the both ends of shaft (20) are fixedly mounted respectively
There are turntable (19) and second bevel gear (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810992241.7A CN108969998A (en) | 2018-08-29 | 2018-08-29 | A kind of sit-ups chair of quick adjustable inclination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810992241.7A CN108969998A (en) | 2018-08-29 | 2018-08-29 | A kind of sit-ups chair of quick adjustable inclination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108969998A true CN108969998A (en) | 2018-12-11 |
Family
ID=64546718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810992241.7A Pending CN108969998A (en) | 2018-08-29 | 2018-08-29 | A kind of sit-ups chair of quick adjustable inclination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108969998A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109811721A (en) * | 2019-03-25 | 2019-05-28 | 国网江苏省电力有限公司扬州供电分公司 | A kind of modularization flood control baffle |
| CN110269759A (en) * | 2019-06-27 | 2019-09-24 | 湖南文理学院 | A kind of intelligent monitor wheelchair based on Internet of Things |
| CN110327589A (en) * | 2019-07-01 | 2019-10-15 | 浙江飞尔智能科技有限公司 | Exercising apparatus and system |
| CN110523054A (en) * | 2019-09-06 | 2019-12-03 | 成都体育学院 | Athletic training pulls stomach workout and muscle assistant massaging integrated apparatus with anti- |
| CN110976063A (en) * | 2019-12-30 | 2020-04-10 | 嘉兴新博信息科技有限公司 | A side row material spiral classifier for ore dressing |
| CN112915473A (en) * | 2021-01-20 | 2021-06-08 | 河南理工大学 | Sit up ware is used in sports teaching |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109811721A (en) * | 2019-03-25 | 2019-05-28 | 国网江苏省电力有限公司扬州供电分公司 | A kind of modularization flood control baffle |
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| CN110327589A (en) * | 2019-07-01 | 2019-10-15 | 浙江飞尔智能科技有限公司 | Exercising apparatus and system |
| CN110523054A (en) * | 2019-09-06 | 2019-12-03 | 成都体育学院 | Athletic training pulls stomach workout and muscle assistant massaging integrated apparatus with anti- |
| CN110976063A (en) * | 2019-12-30 | 2020-04-10 | 嘉兴新博信息科技有限公司 | A side row material spiral classifier for ore dressing |
| CN112915473A (en) * | 2021-01-20 | 2021-06-08 | 河南理工大学 | Sit up ware is used in sports teaching |
| CN112915473B (en) * | 2021-01-20 | 2021-09-24 | 河南理工大学 | Sit up ware is used in sports teaching |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181211 |
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| RJ01 | Rejection of invention patent application after publication |