CN217041225U - Sit up assistor with adjustable - Google Patents
Sit up assistor with adjustable Download PDFInfo
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- CN217041225U CN217041225U CN202123007497.4U CN202123007497U CN217041225U CN 217041225 U CN217041225 U CN 217041225U CN 202123007497 U CN202123007497 U CN 202123007497U CN 217041225 U CN217041225 U CN 217041225U
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- sit
- board
- service creeper
- extension board
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Abstract
The utility model relates to a body-building apparatus technical field specifically is an adjustable sit up assistor, including the service creeper, sliding connection has lengthened the board in the service creeper, and the top surface fixed mounting who lengthens the board has sit up assistor, and the spread groove has been seted up to one side of service creeper, and sliding connection has the backup pad in the spread groove, and the spout has all been seted up to the both sides of spread groove, and the equal fixed mounting in both sides of backup pad has the slider, two sliders respectively with two spout sliding connection, one side of backup pad is provided with the locking mechanism of fixed lengthening board, and one side of lengthening board is provided with spacing stop gear who lengthens the board. Put the service creeper and extension board subaerial, the sportsman lies and carries out the sit up on service creeper and extension board, comes the pulling extension board according to sportsman's height, adjusts the length of service creeper and extension board, makes things convenient for the sportsman to carry out the sit up in the top of service creeper, carries out the sit up through sit up assistor auxiliary sports personnel.
Description
Technical Field
The utility model relates to a body-building apparatus technical field specifically is an adjustable sit up assistor.
Background
One of the necessary examination items in a physical education course during middle school examinations is sit-up, and two persons are often used for sit-up in the middle school examinations, wherein one person is responsible for fixing feet for the other person.
The existing sit-up auxiliary equipment is mostly large equipment with a lying board, cannot be moved at will and occupies a large space, and is inconvenient to store, the size of the lying board is usually fixed, cannot be adjusted according to the height of a person, and the user experience is poor, so that the sit-up auxiliary equipment with the adjustable function is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an adjustable sit up assistor to solve the problem that proposes in the above-mentioned background art.
The technical scheme of the utility model is that: the utility model provides a sit up assistor with adjustable, includes the service creeper, sliding connection has the extension board in the service creeper, the top surface fixed mounting of extension board has the sit up assistor, the spread groove has been seted up to one side of service creeper, sliding connection has the backup pad in the spread groove, the spout has all been seted up to the both sides of spread groove, the equal fixed mounting in both sides of backup pad has the slider, two the slider respectively with two spout sliding connection, one side of backup pad is provided with the locking mechanism of fixed extension board, one side of extension board is provided with the stop gear of spacing extension board.
The locking mechanism comprises a plurality of second jacks, the second jacks are arranged on the bottom surface of the lengthened plate, the top surface of the supporting plate is provided with a first jack, and the first jack and one of the second jacks are movably sleeved with the same bolt.
Preferably, stop gear includes the fixing base, fixing base fixed mounting is in one side of service creeper, the movable rod has been cup jointed in the activity on the fixing base, the lateral wall of movable rod is provided with reset spring, one side of extension board is rotated and is connected with the handle, the joint hole has been seted up to one side of handle, the lateral wall of movable rod and the inboard wall in joint hole looks adaptation.
Preferably, the bottom surface of the lying plate is provided with a bottom groove, the bottom surface of the lengthened plate is provided with a roller, and the roller is matched with the bottom groove.
Preferably, the lateral wall of service creeper has seted up the spacing groove, the lateral wall fixed mounting of extension board has the stopper, spacing groove and stopper sliding connection.
Preferably, the top surface of the lying plate is fixedly provided with a headrest, and the outer side wall of the lengthened plate is fixedly provided with a pull rod.
The utility model discloses an improve and provide an adjustable sit up assistor here, compare with prior art, have following improvement and advantage:
one is as follows: the utility model discloses, put service creeper and lengthened plate on the ground, the sportsman lies and carries out the sit-up on service creeper and lengthened plate, comes to stimulate the lengthened plate according to the sportsman's height, adjusts the length of service creeper and lengthened plate, makes things convenient for the sportsman to carry out the sit-up above the service creeper, through the sit-up assistor assist sportsman to carry out the sit-up;
the second step is as follows: the utility model discloses, through inserting the bolt in first jack and the second jack, can fix the one side at the service creeper with the extension board, when not using the service creeper with the extension board, can store in the extension board income service creeper, through inserting the movable rod in the joint hole, can fix the extension board in the service creeper, be convenient for accomodate service creeper and extension board, spacing groove and stopper can carry on spacingly to the position that the extension board removed, the practicality of device has been strengthened, the gyro wheel can assist extension board roll-off in the service creeper, the roll-off convenience in extension board follow service creeper has been strengthened, and support the extension board.
Drawings
The invention is further explained below with reference to the figures and examples:
fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic structural view of the elongated plate of the present invention;
FIG. 3 is a schematic view of the supporting plate of the present invention;
FIG. 4 is a schematic view of the connecting groove structure of the present invention;
fig. 5 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.
Description of the reference numerals: 1. a lying board; 2. lengthening a plate; 3. sit-up aid; 4. connecting grooves; 5. a support plate; 6. a pull rod; 7. a first jack; 8. a second jack; 9. a bolt; 11. a chute; 12. a slider; 13. a limiting groove; 14. a limiting block; 15. a fixed seat; 16. a movable rod; 17. a return spring; 20. a headrest; 21. a handle; 22. a clamping hole; 23. a bottom groove; 24. and a roller.
Detailed Description
The present invention will be described in detail below, and it is apparent that the technical solutions in the embodiments of the present invention are described clearly and completely. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
The utility model discloses an improve and provide an adjustable sit up assistor here, the technical scheme of the utility model is:
as shown in fig. 1-5, an adjustable sit-up assist device comprises a lying board 1, wherein an elongated board 2 is slidably connected in the lying board 1, a sit-up assist device 3 is fixedly installed on the top surface of the elongated board 2, a connecting groove 4 is formed in one side of the lying board 1, a supporting board 5 is slidably connected in the connecting groove 4, sliding grooves 11 are formed in both sides of the connecting groove 4, sliding blocks 12 are fixedly installed on both sides of the supporting board 5, the two sliding blocks 12 are respectively slidably connected with the two sliding grooves 11, a locking mechanism for fixing the elongated board 2 is arranged on one side of the supporting board 5, a limiting mechanism for limiting the elongated board 2 is arranged on one side of the elongated board 2, the lying board 1 and the elongated board 2 are placed on the ground, a sportsman lies on the lying board 1 and the elongated board 2 for sit-up, the elongated board 2 is pulled according to the height of the sportsman to adjust the length of the lying board 1 and the elongated board 2, make things convenient for the sportsman to carry out the sit up in the top of service creeper 1, assist the sportsman through sit up assistor 3 and carry out the sit up.
Locking mechanism includes a plurality of second jacks 8, and a plurality of second jacks 8 are all seted up in the bottom surface of extension board 2, and first jack 7 has been seted up to the top surface of backup pad 5, and same bolt 9 has been cup jointed in first jack 7 and one of them second jack 8 internalization, through inserting bolt 9 in first jack 7 and the second jack 8, can fix one side at service creeper 1 with extension board 2.
Further, stop gear includes fixing base 15, 15 fixed mounting of fixing base are in one side of service creeper 1, movable rod 16 has been cup jointed in the activity on fixing base 15, movable rod 16's lateral wall is provided with reset spring 17, one side of extension board 2 is rotated and is connected with handle 21, joint hole 22 has been seted up to one side of handle 21, the lateral wall of movable rod 16 and the inboard looks adaptation in joint hole 22, can store in extension board 2 income service creeper 1, through inserting movable rod 16 in joint hole 22, can fix extension board 2 in service creeper 1, be convenient for accomodate service creeper 1 and extension board 2.
Further, kerve 23 has been seted up to the bottom surface of service creeper 1, and the bottom surface of extension board 2 is provided with gyro wheel 24, and gyro wheel 24 and kerve 23 looks adaptation, gyro wheel 24 can assist extension board 2 from roll-off in service creeper 1, have strengthened extension board 2 and have followed the interior roll-off convenience of service creeper 1 to support extension board 2.
Further, spacing groove 13 has been seted up to the lateral wall of service creeper 1, and the lateral wall fixed mounting of lengthened plate 2 has stopper 14, and spacing groove 13 and stopper 14 sliding connection, spacing groove 13 and stopper 14 can carry on spacingly to the position that lengthened plate 2 removed, have strengthened the practicality of device.
Further, the top surface fixed mounting of service creeper 1 has headrest 20, and the lateral wall fixed mounting of lengthened plate 2 has pull rod 6, and headrest 20 can strengthen the travelling comfort of sports personnel when sit up, through pull rod 6, conveniently pulls out lengthened plate 2 from service creeper 1.
The working principle is as follows: laying the lying board 1 and the elongated board 2 on the ground, laying a sportsman on the lying board 1 and the elongated board 2 for sit-up, pulling the elongated board 2 according to the height of the sportsman to adjust the length of the lying board 1 and the elongated board 2, facilitating the sportsman to sit-up on the lying board 1, assisting the sportsman to sit-up through the sit-up assistor 3, inserting the bolt 9 into the first jack 7 and the second jack 8 to fix the elongated board 2 at one side of the lying board 1, storing the elongated board 2 into the lying board 1 when the lying board 1 and the elongated board 2 are not in use, inserting the movable rod 16 into the clamping hole 22 to fix the elongated board 2 in the lying board 1, facilitating the storage of the lying board 1 and the elongated board 2, limiting grooves 13 and limiting blocks 14 limit the moving position of the elongated board 2, enhancing the practicability of the device, the rollers 24 can assist the elongated plate 2 to slide out of the lying plate 1, so that the convenience of sliding the elongated plate 2 out of the lying plate 1 is enhanced, and the elongated plate 2 is supported.
The previous description is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. An adjustable sit-up aid, which comprises a lying board (1), and is characterized in that: there are extension board (2) sliding connection in service creeper (1), the top surface fixed mounting of extension board (2) has sit up assistor (3), spread groove (4) have been seted up to one side of service creeper (1), sliding connection has backup pad (5) in spread groove (4), spout (11) have all been seted up to the both sides of spread groove (4), the equal fixed mounting in both sides of backup pad (5) has slider (12), two slider (12) respectively with two spout (11) sliding connection, one side of backup pad (5) is provided with the locking mechanism of fixed extension board (2), one side of extension board (2) is provided with the stop gear of spacing extension board (2).
2. An adjustable sit-up aid according to claim 1, wherein: locking mechanism includes a plurality of second jack (8), and is a plurality of second jack (8) are all seted up in the bottom surface of extension board (2), first jack (7) have been seted up to the top surface of backup pad (5), same bolt (9) have been cup jointed with one of them second jack (8) internalization in first jack (7).
3. An adjustable sit-up aid according to claim 1, wherein: stop gear includes fixing base (15), fixing base (15) fixed mounting has been in one side of service creeper (1), movable rod (16) have been cup jointed in the activity on fixing base (15), the lateral wall of movable rod (16) is provided with reset spring (17), one side of extension board (2) is rotated and is connected with handle (21), joint hole (22) have been seted up to one side of handle (21), the lateral wall of movable rod (16) and the interior lateral wall looks adaptation in joint hole (22).
4. An adjustable sit-up aid according to claim 1, wherein: a bottom groove (23) is formed in the bottom surface of the lying plate (1), rollers (24) are arranged on the bottom surface of the lengthened plate (2), and the rollers (24) are matched with the bottom groove (23).
5. An adjustable sit-up aid according to claim 1, wherein: spacing groove (13) have been seted up to the lateral wall of service creeper (1), the lateral wall fixed mounting of extension board (2) has stopper (14), spacing groove (13) and stopper (14) sliding connection.
6. An adjustable sit-up aid according to claim 1, wherein: the top surface fixed mounting of service creeper (1) has headrest (20), the lateral wall fixed mounting of extension board (2) has pull rod (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123007497.4U CN217041225U (en) | 2021-12-01 | 2021-12-01 | Sit up assistor with adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123007497.4U CN217041225U (en) | 2021-12-01 | 2021-12-01 | Sit up assistor with adjustable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217041225U true CN217041225U (en) | 2022-07-26 |
Family
ID=82477571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123007497.4U Active CN217041225U (en) | 2021-12-01 | 2021-12-01 | Sit up assistor with adjustable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217041225U (en) |
-
2021
- 2021-12-01 CN CN202123007497.4U patent/CN217041225U/en active Active
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