CN208927521U - A kind of equipment for sit-ups - Google Patents
A kind of equipment for sit-ups Download PDFInfo
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- CN208927521U CN208927521U CN201821033988.1U CN201821033988U CN208927521U CN 208927521 U CN208927521 U CN 208927521U CN 201821033988 U CN201821033988 U CN 201821033988U CN 208927521 U CN208927521 U CN 208927521U
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- support column
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Abstract
The utility model discloses a kind of equipment for sit-ups, including horizontally disposed rectangular column, one end of the rectangular column is fixedly installed with the support column being vertically arranged, the rectangular column is fixedly installed with bracket far from the bottom end of support column, the rectangular column is fixedly installed with horizontally disposed seat board close to top one end of support column, board for lying on back is rotatably connected on described seat board, and board for lying on back is obliquely installed, the board for lying on back has been set to side of the seat board far from support column, the downside of the board for lying on back is equipped with the first groove and the second groove being provided on rectangular column, and first groove be located at side of second groove far from support column, movable block is slidably fitted in first groove.In the utility model, by mechanized operation, the elevation angle of board for lying on back can be adjusted easily and fast, be conducive to people to be according to actual needs adjusted, and easy to operate, it is time saving and energy saving, it adjusts and uses convenient for people.
Description
Technical field
The utility model relates to field of exercise equipment more particularly to a kind of equipment for sit-ups.
Background technique
With people's lives Quality advance, body-building also gradually receives everybody welcome, and fitness equipment is also such as spring bamboo one
As emerge.And sit-up movement can rapidly deplete stomach fat, and the main method for lumbar muscle strain of releiving.Frequent
This movement is done, you can be allowed to possess charming lumbar curve.Sit-ups are the very familiar movements of many people, due to doing
When, majority, which must need both feet to catch on a thing just, can make waist put forth effort execution, therefore occur on the market
Many equipment for being used for sit-ups.
Equipment for sit-ups generally mainly includes leg fixed link, plays seat board and board for lying on back and other auxiliary branch
The composition such as frame.But in the prior art, board for lying on back and the elevation angle risen between seat board are typically all fixation, some can also be adjusted
Section, but be typically all to be adjusted by manually, not only troublesome in poeration in this way, it is inconvenient and time-consuming and laborious to adjust, for this purpose, I
Provide a kind of equipment for sit-ups.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and the one kind proposed is for having lain on the back
The equipment of seat.
To achieve the goals above, the utility model adopts the technical scheme that
One end of a kind of equipment for sit-ups, including horizontally disposed rectangular column, the rectangular column is fixedly mounted
There is the support column being vertically arranged, the rectangular column is fixedly installed with bracket far from the bottom end of support column, and the rectangular column leans on
Top one end of nearly support column is fixedly installed with horizontally disposed seat board, is rotatably connected to board for lying on back on described seat board, and
Board for lying on back is obliquely installed, and the board for lying on back has been set to side of the seat board far from support column, and the downside of the board for lying on back, which is equipped with, opens
The first groove and the second groove being located on rectangular column, and the first groove is located at side of second groove far from support column, it is described
It is slidably fitted with movable block in first groove, support rod is rotatably connected at the top of the movable block, the support rod is far from living
One end of motion block is rotatably installed in the bottom of board for lying on back, and screw rod, and one end rotation of screw rod are threaded on the movable block
The first groove is installed on far from the side inner wall of the second groove, the other end rotation of the screw rod extends in the second groove simultaneously
It is fixedly installed with driving wheel, stepper motor is fixedly installed in second groove, is fixed on the output shaft of the stepper motor
Driving wheel is installed, and driving wheel is meshed with driving wheel.
Preferably, mounting hole is offered on the movable block, fixing sleeve is connected to feed screw nut, the screw rod spiral shell in mounting hole
Female inner wall is equipped with internal screw thread, and the screw rod is equipped with external screw thread, and on the external screw thread on screw rod and feed screw nut's inner wall
Internal screw thread is threadedly coupled, and the bottom of the movable block is equipped with position limiting slide block, and the bottom interior wall of first groove is equipped with limit
Sliding slot, and position limiting slide block is slidably connected with limit sliding chutes.
Preferably, first groove is equipped with mounting groove, fixed peace in mounting groove far from the side inner wall of the second groove
Equipped with bearing block, the screw rod is rotatablely installed far from one end of driving wheel on bearing block, and first groove is recessed close to second
The side inner wall of slot is equipped with rotation hole, and fixing sleeve is connected to bearing race in rotation hole, and screw rod through bearing race inner ring and with
The inner ring of bearing race is fixedly connected.
Preferably, the bottom of the board for lying on back is fixedly installed with rotation seat, and rotation seat is located at two points of board for lying on back length
One of place, the support rod far from movable block one end be rotatablely installed on rotation seat.
Preferably, the board for lying on back is equipped with rotation slot close to the one end for playing seat board, is rotatably equipped in the rotation slot
Shaft, and board for lying on back is rotatablely connected by shaft with seat board is played, the top and middle part of the support column are respectively equipped with horizontally disposed
First crossbar and second crossbar, and first crossbar and second crossbar are vertically arranged with support column.
Preferably, the driving wheel and driving wheel are conical gear, and the bottom of the stepper motor is equipped with mounting rack, and
Mounting rack is fixedly mounted in the bottom interior wall of the second groove, and the side of the rectangular column is additionally provided with control switch, and control is opened
Pass is electrically connected with stepper motor.
Compared with prior art, the utility model has the beneficial effects that
In the utility model, stepper motor is controlled by control switch, driving wheel rotation is then driven by stepper motor,
Driving wheel drives driving wheel rotation, and driving wheel drives screw rod rotation, and screw rod is threadedly engaged when rotating with feed screw nut, and rotation is transported
Turn becomes moving along a straight line, and feed screw nut's horizontal movement on screw rod, feed screw nut drives movable block horizontal movement, movable block again
Board for lying on back rotation is driven further through support rod and rotation seat when mobile, so as to adjust board for lying on back and play facing upward between seat board
Angle, in conclusion, by mechanized operation, the elevation angle of board for lying on back can be adjusted easily and fast in the utility model,
Be conducive to people to be according to actual needs adjusted, and easy to operate, it is time saving and energy saving, it adjusts and uses convenient for people.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of equipment for sit-ups structural schematic diagram；
Fig. 2 is the structural schematic diagram of part A amplification in Fig. 1；
Fig. 3 be the utility model proposes a kind of equipment for sit-ups in play the connection structure of seat board and board for lying on back
Schematic diagram.
In figure: 1 rectangular column, 2 support columns, 3 brackets, 4 seat boards, 5 board for lying on back, 6 rotation seats, 7 support rods, 8 control switches,
9 first grooves, 10 second grooves, 11 movable blocks, 12 feed screw nuts, 13 screw rods, 14 bearing blocks, 15 bearing races, 16 driving wheels, 17
Driving wheel, 18 stepper motors, 19 second crossbars, 20 first crossbars, 21 rotation slots, 22 shafts.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, a kind of equipment for sit-ups, including horizontally disposed rectangular column 1, one end of rectangular column 1
It is fixedly installed with the support column 2 being vertically arranged, rectangular column 1 is fixedly installed with bracket 3, rectangle far from the bottom end of support column 2
Column is fixedly installed with horizontally disposed seat board 4 close to top one end of support column 2, rises and is rotatably connected to board for lying on back on seat board 4
5, and board for lying on back 5 is obliquely installed, board for lying on back 5 has been set to side of the seat board 4 far from support column 2, and the downside of board for lying on back 5, which is equipped with, opens
The first groove 9 and the second groove 10 being located on rectangular column 1, and the first groove 9 is located at one of the second groove 10 far from support column 2
Side is slidably fitted with movable block 11 in the first groove 9, and the top of movable block 11 is rotatably connected to support rod 7, and support rod 7 is separate
One end of movable block 11 is rotatably installed in the bottom of board for lying on back 5, and screw rod 13, and the one of screw rod 13 are threaded on movable block 11
In on side inner wall of first groove 9 far from the second groove 10, the other end rotation of screw rod 13 extends to second for end rotational installation
In groove 10 and be fixedly installed with driving wheel 16, be fixedly installed with stepper motor 18 in the second groove 10, stepper motor 18 it is defeated
It is fixedly installed with driving wheel 17 on shaft, and driving wheel 17 is meshed with driving wheel 16, in the utility model, is grasped by mechanization
Make, can the elevation angle easily and fast to board for lying on back 5 be adjusted, be conducive to people to be according to actual needs adjusted, and
It is easy to operate, it adjusts and uses convenient for people.
Mounting hole is offered on movable block 11, fixing sleeve is connected to feed screw nut 12, the inner wall of feed screw nut 12 in mounting hole
It is equipped with internal screw thread, screw rod 13 is equipped with external screw thread, and the external screw thread on screw rod 13 and the internal screw thread on 12 inner wall of feed screw nut
It is threadedly coupled, the bottom of movable block 11 is equipped with position limiting slide block, and the bottom interior wall of the first groove 9 is equipped with limit sliding chutes, and limits
Sliding block is slidably connected with limit sliding chutes, and the first groove 9 is equipped with mounting groove far from the side inner wall of the second groove 10, in mounting groove
It is fixedly installed with bearing block 14, screw rod 13 is rotatablely installed far from one end of driving wheel 16 on bearing block 14, and the first groove 9 is close
The side inner wall of second groove 10 is equipped with rotation hole, and fixing sleeve is connected to bearing race 15 in rotation hole, and screw rod 13 runs through bearing
The inner ring of circle 15 is simultaneously fixedly connected with the inner ring of bearing race 15, and the bottom of board for lying on back 5 is fixedly installed with rotation seat 6, and rotation seat 6
At the half of 5 length of board for lying on back, support rod 7 is rotatablely installed far from one end of movable block 11 on rotation seat 6, is lain on the back
Plate 5 is equipped with rotation slot 21 close to the one end for playing seat board 4, shaft 22 is rotatably equipped in rotation slot 21, and board for lying on back 5 is by turning
Axis 22 is rotatablely connected with seat board 4 is played, and it is horizontal that the top and middle part of support column 2 are respectively equipped with horizontally disposed first crossbar 20 and second
Bar 19, and first crossbar 20 and second crossbar 19 are vertically arranged with support column 2, driving wheel 17 and driving wheel 16 are circular cone tooth
The bottom of wheel, stepper motor 18 is equipped with mounting rack, and mounting rack is fixedly mounted in the bottom interior wall of the second groove 10, rectangular column
1 side is additionally provided with control switch 8, and control switch 8 is electrically connected with stepper motor 18, in the utility model, passes through mechanization
Operation, can the elevation angle easily and fast to board for lying on back 5 be adjusted, be conducive to people to be according to actual needs adjusted,
And it is easy to operate, it adjusts and uses convenient for people.
In the utility model, when the elevation angle of board for lying on back 5 needs to adjust, people only need to open control switch 8, and pass through
Control switch 8 opens stepper motor 18, then drives driving wheel 17 to rotate by the output shaft of stepper motor 18,17 band of driving wheel
Dynamic driving wheel 16 rotates, and driving wheel 16 drives screw rod 13 to rotate, and screw rod 13 is threadedly engaged when rotating with feed screw nut 12, will rotate
Movement is changed into linear motion, the horizontal movement on screw rod 13 of feed screw nut 12, and feed screw nut 12 drives movable block 11 horizontal again
Movement, while the position limiting slide block of 11 bottom of movable block and limit sliding chutes are slided, and are driven support rod 7 again when movable block 11 is mobile and are faced upward
The rotation seat 6 of 5 bottom of bodyboard rotates, while board for lying on back 5 rotates on playing seat board 4 further through shaft 22, when movable block 11 is to turning
When the direction of dynamic seat 14 is mobile, board for lying on back 5 and the angle risen between seat board 4 become larger, when movable block 11 is moved to the direction of support column 2
When dynamic, board for lying on back 5 and the angle risen between seat board 4 become smaller, can be easily and fast to board for lying on back in this way by mechanized operation
5 elevation angle is adjusted, and meets the use demand of people.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of equipment for sit-ups, including horizontally disposed rectangular column (1), which is characterized in that the rectangular column (1)
One end be fixedly installed with the support column (2) being vertically arranged, the rectangular column (1) is fixed far from the bottom end of support column (2)
It is equipped with bracket (3), the rectangular column (1) is fixedly installed with horizontally disposed seat board close to the top one end of support column (2)
(4), it is rotatably connected to board for lying on back (5) on described seat board (4), and board for lying on back (5) is obliquely installed, board for lying on back (5) setting
Side of the seat board (4) far from support column (2) in, the downside of the board for lying on back (5) are equipped be provided on rectangular column (1) first
Groove (9) and the second groove (10), and the first groove (9) is located at side of the second groove (10) far from support column (2), described the
It is slidably fitted with movable block (11) in one groove (9), is rotatably connected to support rod (7) at the top of the movable block (11), it is described
Support rod (7) is rotatably installed in the bottom of board for lying on back (5) far from the one end of movable block (11), and screw thread connects on the movable block (11)
It is connected to screw rod (13), and one end rotational installation of screw rod (13) is in the side inner wall of the first groove (9) far from the second groove (10)
On, the rotation of the other end of the screw rod (13) is extended in the second groove (10) and is fixedly installed with driving wheel (16), and described the
It is fixedly installed with stepper motor (18) in two grooves (10), is fixedly installed with driving wheel on the output shaft of the stepper motor (18)
(17), and driving wheel (17) is meshed with driving wheel (16).
2. a kind of equipment for sit-ups according to claim 1, which is characterized in that opened on the movable block (11)
Equipped with mounting hole, fixing sleeve is connected to feed screw nut (12) in mounting hole, and the inner wall of the feed screw nut (12) is equipped with internal screw thread,
The screw rod (13) is equipped with external screw thread, and the external screw thread on screw rod (13) and the internal screw thread screw thread on feed screw nut (12) inner wall
Connection, the bottom of the movable block (11) are equipped with position limiting slide block, and the bottom interior wall of first groove (9) is equipped with limit and slides
Slot, and position limiting slide block is slidably connected with limit sliding chutes.
3. a kind of equipment for sit-ups according to claim 1, which is characterized in that first groove (9) is remote
Side inner wall from the second groove (10) is equipped with mounting groove, is fixedly installed with bearing block (14), the screw rod in mounting groove
(13) one end rotational installation far from driving wheel (16) is on bearing block (14), and first groove (9) is close to the second groove
(10) side inner wall is equipped with rotation hole, and fixing sleeve is connected to bearing race (15) in rotation hole, and screw rod (13) runs through bearing race
(15) inner ring is simultaneously fixedly connected with the inner ring of bearing race (15).
4. a kind of equipment for sit-ups according to claim 1, which is characterized in that the bottom of the board for lying on back (5)
Portion is fixedly installed with rotation seat (6), and rotation seat (6) is located at the half of board for lying on back (5) length, the support rod (7)
One end far from movable block (11) is rotatablely installed on rotation seat (6).
5. a kind of equipment for sit-ups according to claim 1, which is characterized in that the board for lying on back (5) is close
The one end for playing seat board (4) is equipped with rotation slot (21), is rotatably equipped with shaft (22) in the rotation slot (21), and board for lying on back
(5) it is rotatablely connected by shaft (22) with seat board (4) are played, the top and middle part of the support column (2) are respectively equipped with horizontally disposed
First crossbar (20) and second crossbar (19), and first crossbar (20) and second crossbar (19) is vertical with support column (2) sets
It sets.
6. a kind of equipment for sit-ups according to claim 1, which is characterized in that the driving wheel (17) and biography
Driving wheel (16) is conical gear, and the bottom of the stepper motor (18) is equipped with mounting rack, and mounting rack is fixedly mounted on second
In the bottom interior wall of groove (10), the side of the rectangular column (1) is additionally provided with control switch (8), and control switch (8) and stepping
Motor (18) electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821033988.1U CN208927521U (en) | 2018-07-02 | 2018-07-02 | A kind of equipment for sit-ups |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821033988.1U CN208927521U (en) | 2018-07-02 | 2018-07-02 | A kind of equipment for sit-ups |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208927521U true CN208927521U (en) | 2019-06-04 |
Family
ID=66715625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821033988.1U Expired - Fee Related CN208927521U (en) | 2018-07-02 | 2018-07-02 | A kind of equipment for sit-ups |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208927521U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110353913A (en) * | 2019-08-01 | 2019-10-22 | 北京鲲鹏神通科技有限公司 | A kind of intelligence supporting point switching cleaning bed |
| CN112237715A (en) * | 2020-09-18 | 2021-01-19 | 湖州休瑾电子商务有限公司 | Supine machine capable of automatically exercising abdominal muscles |
| CN113209561A (en) * | 2021-04-12 | 2021-08-06 | 防灾科技学院 | Physical training device that sports teaching used |
-
2018
- 2018-07-02 CN CN201821033988.1U patent/CN208927521U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110353913A (en) * | 2019-08-01 | 2019-10-22 | 北京鲲鹏神通科技有限公司 | A kind of intelligence supporting point switching cleaning bed |
| CN112237715A (en) * | 2020-09-18 | 2021-01-19 | 湖州休瑾电子商务有限公司 | Supine machine capable of automatically exercising abdominal muscles |
| CN112237715B (en) * | 2020-09-18 | 2021-12-10 | 台州市路桥台龙机电配件厂(普通合伙) | Supine machine capable of automatically exercising abdominal muscles |
| CN113209561A (en) * | 2021-04-12 | 2021-08-06 | 防灾科技学院 | Physical training device that sports teaching used |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20190604 Termination date: 20190702 |