CN212038796U - Sit-up aid - Google Patents
Sit-up aid Download PDFInfo
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- CN212038796U CN212038796U CN201922176818.XU CN201922176818U CN212038796U CN 212038796 U CN212038796 U CN 212038796U CN 201922176818 U CN201922176818 U CN 201922176818U CN 212038796 U CN212038796 U CN 212038796U
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- aid
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Abstract
A sit-up aid, characterized in that: the sit-up assisting device comprises a base, a supporting body arranged on the base and two cross rods arranged on two sides of the supporting body, wherein the cross rods can be rotatably arranged on the supporting body between a use state and a folded state; the support body is provided with a holding tank for holding the cross rod, so that the folded volume is more compact and small.
Description
Technical Field
The utility model relates to a sit-up assistor.
Background
The present sit-up assistor mainly comprises a base, a support body vertically arranged on the base, and two cross rods arranged on two sides of the support body, wherein the base is adsorbable on the bottom surface through a vacuum chuck, the two cross rods transversely extend and are arranged, and when the sit-up training is carried out, two feet and instep of a trainer support the lower part of the two cross rods, so that the sit-up training is carried out by the trainer, and additional auxiliary personnel are not needed for carrying out the auxiliary training.
Two horizontal poles of the sit-up assistor of above-mentioned structure can't be folded and accomodate, and occupation space is big to trip easily, the altitude mixture control of horizontal pole is gone on through the supporter that sets up scalable regulation in addition, and it is very troublesome to operate.
Disclosure of Invention
The utility model aims at providing a sit-up assistor which can be folded and stored aiming at the defects of the prior art.
The purpose of the utility model is realized through the following technical scheme:
a sit-up aid, characterized in that: including base, setting supporter on the base, setting two horizontal poles in the supporter both sides, the horizontal pole can set up on the supporter with rotating between user state and fold condition, and user state's horizontal pole transversely extends to arrange, and fold condition's horizontal pole is drawn close on the supporter.
The supporting body is provided with a holding groove for holding the cross rod in a folded state.
One end of the cross rod is rotatably arranged on the support body through a pivot shaft, and the pivot shaft is obliquely arranged to enable the cross rod in a folded state to be obliquely close to the side surface of the support body.
The cross rod is provided with a first limiting part, the support body is provided with a second limiting part, and the first limiting part and the second limiting part are matched to enable the cross rod to be kept in a use state.
The support body can be adjusted in rotation about a horizontally extending axis or can be arranged on the base in a locked manner.
The supporting shaft is arranged on the base and extends transversely, the supporting body can be rotatably arranged on the supporting shaft around the supporting shaft, a locking mechanism is arranged between the supporting shaft and the supporting body, and the locking mechanism enables the supporting body to be rotatable or locked and incapable of rotating.
The locking mechanism comprises a plurality of first positioning teeth arranged on the support shaft in an arc shape, a swing arm capable of swinging relative to the first positioning teeth and arranged on the support body, a pushing piece capable of being arranged on the support body in a sliding mode, a first spring driving the swing arm to swing towards the first positioning teeth, and a second spring driving the pushing piece to be away from the swing arm, wherein the swing arm is provided with a second positioning tooth capable of being meshed with the first positioning teeth, and the pushing piece can be operated to slide towards the swing arm to push the swing arm to swing.
The base is provided with two support arms that upwards extend, the back shaft includes interior axle and axle sleeve, and the cross section of interior axle is non-circular, and the axle sleeve has the mesopore with interior axle appearance looks adaptation, second location tooth sets up on the axle sleeve, and two support arms are formed with the mounting hole that supplies interior axle to pass respectively, and the both ends of interior axle are passed through locking mechanism and are installed in the mounting hole, and the axle sleeve cover is established at interior epaxial between two support arms.
The base is provided with a plurality of positioning grooves which are arranged in an arc shape, the support body is movably provided with a positioning piece which can be embedded into the positioning grooves and a spring which drives the positioning piece to be embedded into the positioning grooves, and the positioning piece can be embedded into the positioning grooves and can make a sound when the support body rotates.
The base is provided with a vacuum chuck.
The utility model discloses following beneficial effect has:
the cross bar can be rotationally arranged on the support body between a use state and a folding state, so that the sit-up aid can be folded and stored; the supporting body is provided with an accommodating groove for accommodating the cross rod, so that the folded volume is more compact and smaller; the cross rods in the folded state are obliquely close to the side surfaces of the supporting bodies, so that the overall structure is more reasonable, and the vertical closing is avoided from interfering the arrangement of the base and the supporting bodies; the first limiting part and the second limiting part are matched to ensure that the cross rod is kept in a use state and cannot continuously rotate upwards after being subjected to upward force.
The supporting body can be rotationally adjusted around a horizontally extending axis or is arranged on the base in a locking mode, and the height of the cross rod can be adjusted by adjusting the angle of the supporting body, so that the leg type adjustable leg type exercise device is suitable for trainers with different leg types.
The locking mechanism is composed of a plurality of first positioning teeth, a swing arm, a pushing piece, a first spring and a second spring, and has the advantages of simple structure, convenience in operation and the like.
The supporting shaft comprises an inner shaft and a shaft sleeve, mounting holes for the inner shaft to penetrate through are formed in the two supporting arms respectively, two ends of the inner shaft are mounted in the mounting holes through locking mechanisms, the shaft sleeve is sleeved on the inner shaft between the two supporting arms, the supporting body with the shaft sleeve is placed between the two supporting arms during assembly, the inner shaft penetrates through the mounting holes from the outer sides of the supporting arms to complete supporting of the supporting body, and the locking mechanisms are used for locking and fixing, so that the product can be assembled quickly.
Set up a plurality of constant head tanks on the base, the activity is provided with the setting element that can imbed in the constant head tank on the supporter and orders about the spring that the setting element imbeds in the constant head tank, and the setting element can imbed in the constant head tank and make a sound when the supporter rotates to remind operator's supporter how many angles have rotated, can set up the operation regulation of being convenient for of many grades of angles as required.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a perspective view of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is an internal structure diagram of the present invention.
Fig. 4 is a sectional view of the present invention.
Fig. 5 is an enlarged view of a portion a in fig. 4.
Detailed Description
Referring to fig. 1 to 5, a sit-up aid includes a base 1, a support body 3, and two cross bars 4.
The bottom of the base 1 is provided with a vacuum suction cup 21 capable of being adsorbed on a plane, the vacuum suction cup 21 is operated by an operation handle 22, a pull rod 23 and a spring 24, the specific structure and the operation mode are well known in the prior art, and the detailed description is omitted.
The base 1 is provided with two support arms 11 extending upwards, the two support arms 11 are arranged oppositely at intervals in the transverse direction, the support body 3 is supported between the two support arms 11 through a support shaft 5, the support shaft 5 comprises an inner shaft 52 and a shaft sleeve 51, the cross section of the inner shaft 52 is non-circular, the shaft sleeve 51 is provided with a middle hole matched with the shape of the inner shaft 52, the two support arms 11 are respectively provided with a mounting hole 12 for the inner shaft 52 to pass through, the mounting hole 12 is also matched with the shape of the inner shaft 52, two ends of the inner shaft 52 are fixed in the mounting hole 12 through a locking mechanism, the shaft sleeve 51 is sleeved on the inner shaft 52 between the two support arms 11, the locking mechanism comprises a retaining ring 521 and a screw 522, the screw 522 passes through the retaining ring 521 and is locked on the inner shaft 52, the retaining ring is larger than the aperture of the mounting hole 12, the inner shaft 52 is fixed in the mounting hole 12, when the supporting body 3 with the shaft sleeve 51 is placed between the two supporting arms 11 during assembly, the inner shaft 52 penetrates into the shaft sleeve 51 from the outer sides of the supporting arms 11 through the mounting holes 12 to complete supporting of the supporting body 11, and is locked and fixed through the locking mechanism, so that the quick assembly of the product is facilitated.
Two horizontal poles 4 symmetry sets up the both sides on support body 3 upper portion, horizontal pole 4 can set up on support body 3 between user state and fold condition with rotating, user state's horizontal pole 4 transversely extends to arrange, fold condition's horizontal pole 4 draws close on support body 3, be provided with the holding tank 31 that is used for holding fold condition horizontal pole 4 on the support body 3, horizontal pole 4 one end passes through pivot shaft 41 and rotationally sets up on support body 3, pivot shaft 41 slope is arranged and is made fold condition's horizontal pole 4 slope draw close 3 the side at support body, be provided with first spacing portion 42 on horizontal pole 4, be provided with spacing portion 32 of second on the support body 3, first spacing portion 42 makes horizontal pole 4 keep in user state with the cooperation of spacing portion 32 of second. Thus, when training, the cross bar 4 is still kept in the use state and can not rotate upwards after being acted by the instep upwards.
The supporting body 3 can be rotatably arranged on the supporting shaft 5 around the supporting shaft 5, a locking mechanism is arranged between the supporting shaft 5 and the supporting body 3, the locking mechanism enables the supporting body 3 to be rotatable or locked and can not rotate, the locking mechanism comprises a plurality of first positioning teeth 511 arranged on a shaft sleeve 51 in an arc shape, a swing arm 53 arranged on the supporting body 3 and capable of swinging relative to the first positioning teeth 511 through a pivot shaft 533, a pushing piece 54 arranged on the supporting body 3 in a sliding manner, a first spring 55 driving the swing arm 53 to swing towards the first positioning teeth 511, and a second spring 56 driving the pushing piece 54 to be far away from the swing arm 53, the swing arm 53 is provided with a second positioning tooth 532 capable of being meshed with the first positioning teeth 511, the pushing piece 54 is provided with an operating part exposed out of the supporting body 3, the pushing piece 54 can be driven to slide towards the swing arm 53 to push the swing arm 53 through a pressing operating part, the, 531.
The supporting arm 11 is provided with a plurality of positioning grooves 13 arranged in an arc shape, the supporting body 3 is movably provided with a positioning ball 63 capable of being embedded into the positioning groove 13 and a spring 62 for driving the positioning ball 63 to be embedded into the positioning groove 13, the supporting body 3 is specifically provided with a containing hole 33 extending transversely and penetrating, the spring 62 is arranged in the containing hole 33, one end of the containing hole 33 is closed through a screw 61, the other end of the containing hole 33 is provided with the positioning ball 63, and the positioning ball 63 is abutted against the inner side surface of the supporting arm 11 and is limited in the containing hole 33 and cannot be separated. The positioning ball 63 can be inserted into the positioning groove 13 and generate sound when the support body 3 rotates, and a certain resistance is generated to the rotation of the support body 3, so that the support body 3 is prevented from rotating too freely.
When the height of the cross bar 4 needs to be adjusted, the operating part is pressed to enable the pushing part 54 to move inwards, so that the swinging arm 53 is driven to swing upwards, the first positioning tooth 511 and the second positioning tooth 532 are separated, the supporting body 3 is in a rotatable state, the supporting body 3 is rotated to adjust the height of the cross bar 4, then the operating part is loosened, the pushing part 54 moves outwards and resets under the action of the second spring 56, the swinging arm 53 swings downwards under the action of the first spring 55 to enable the first positioning tooth 511 and the second positioning tooth 532 to be meshed, the supporting body 3 cannot rotate, and therefore the height adjustment of the cross bar 4 is completed.
The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited thereby, and all equivalent changes and modifications made within the scope of the claims and the specification should be considered within the scope of the present invention.
Claims (10)
1. A sit-up aid, characterized in that: including base, setting supporter on the base, setting two horizontal poles in the supporter both sides, the horizontal pole can set up on the supporter with rotating between user state and fold condition, and user state's horizontal pole transversely extends to arrange, and fold condition's horizontal pole is drawn close on the supporter.
2. A sit-up aid as claimed in claim 1, wherein: the supporting body is provided with a holding groove for holding the cross rod in a folded state.
3. A sit-up aid as claimed in claim 1, wherein: one end of the cross rod is rotatably arranged on the support body through a pivot shaft, and the pivot shaft is obliquely arranged to enable the cross rod in a folded state to be obliquely close to the side surface of the support body.
4. A sit-up aid as claimed in claim 1, wherein: the cross rod is provided with a first limiting part, the support body is provided with a second limiting part, and the first limiting part and the second limiting part are matched to enable the cross rod to be kept in a use state.
5. A sit-up aid according to any one of claims 1 to 4, wherein: the support body can be adjusted in rotation about a horizontally extending axis or can be arranged on the base in a locked manner.
6. A sit-up aid according to claim 5, wherein: the supporting shaft is arranged on the base and extends transversely, the supporting body can be rotatably arranged on the supporting shaft around the supporting shaft, a locking mechanism is arranged between the supporting shaft and the supporting body, and the locking mechanism enables the supporting body to be rotatable or locked and incapable of rotating.
7. A sit-up aid as claimed in claim 6, wherein: the locking mechanism comprises a plurality of first positioning teeth arranged on the support shaft in an arc shape, a swing arm capable of swinging relative to the first positioning teeth and arranged on the support body, a pushing piece capable of being arranged on the support body in a sliding mode, a first spring driving the swing arm to swing towards the first positioning teeth, and a second spring driving the pushing piece to be away from the swing arm, wherein the swing arm is provided with a second positioning tooth capable of being meshed with the first positioning teeth, and the pushing piece can be operated to slide towards the swing arm to push the swing arm to swing.
8. A sit-up aid as claimed in claim 7, wherein: the base is provided with two support arms that upwards extend, the back shaft includes interior axle and axle sleeve, and the cross section of interior axle is non-circular, and the axle sleeve has the mesopore with interior axle appearance looks adaptation, second location tooth sets up on the axle sleeve, and two support arms are formed with the mounting hole that supplies interior axle to pass respectively, and the both ends of interior axle are passed through locking mechanism and are installed in the mounting hole, and the axle sleeve cover is established at interior epaxial between two support arms.
9. A sit-up aid according to claim 5, wherein: the base is provided with a plurality of positioning grooves which are arranged in an arc shape, the support body is movably provided with a positioning piece which can be embedded into the positioning grooves and a spring which drives the positioning piece to be embedded into the positioning grooves, and the positioning piece can be embedded into the positioning grooves and can make a sound when the support body rotates.
10. A sit-up aid according to any one of claims 1 to 4, wherein: the base is provided with a vacuum chuck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922176818.XU CN212038796U (en) | 2019-12-06 | 2019-12-06 | Sit-up aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922176818.XU CN212038796U (en) | 2019-12-06 | 2019-12-06 | Sit-up aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212038796U true CN212038796U (en) | 2020-12-01 |
Family
ID=73511286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922176818.XU Active CN212038796U (en) | 2019-12-06 | 2019-12-06 | Sit-up aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212038796U (en) |
-
2019
- 2019-12-06 CN CN201922176818.XU patent/CN212038796U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 321000 Tongtang block 4, Fenghuangshan industrial functional zone, Tongqin Town, Wuyi County, Jinhua City, Zhejiang Province Patentee after: Jinhua Gaodeng sporting goods Co.,Ltd. Address before: No. 433, Huafeng West Road, Jinyi Urban Economic Development Zone, Jindong District, Jinhua City, Zhejiang Province, 321000 Patentee before: Jinhua Gaodeng sporting goods Co.,Ltd. |