CN2894745Y - Sit-up machine - Google Patents
Sit-up machine Download PDFInfo
- Publication number
- CN2894745Y CN2894745Y CN 200620013347 CN200620013347U CN2894745Y CN 2894745 Y CN2894745 Y CN 2894745Y CN 200620013347 CN200620013347 CN 200620013347 CN 200620013347 U CN200620013347 U CN 200620013347U CN 2894745 Y CN2894745 Y CN 2894745Y
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- CN
- China
- Prior art keywords
- pivot
- sit
- rack
- inclined tube
- back pad
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a sit-up machine which comprises a main frame, a feet-hooked rack, a back cushion, two handrails and a mat. The main frame is composed of a heel rack, a tilted tube, , a mat bracket and a forefoot rack. Two sides of the central section of the forefoot rack are provided respectively with a pivot. One end of the back cushion and two handrails are pivoted respectively on the tilted tube. The mat is arranged on the mat bracket. A pivoting joint is arranged on at least one place of the two between the bottom of the forefoot rack over the pivot and the forefoot bracket below the pivot. The middle part of the feet-hooked rack is pivoted above the pivot of the forefoot rack. One outward end of the feet-hooked rack provides a feet-hooked joint, and the other end holds out and provides a first pivot tube. Besides, one end of a pull rod is pivoted in the first pivot tube, and the other end is pivoted in the pivoting joint. The forefoot rack is arranged at the outer side of the pivot and is also provided with a jack where a feet-hooked rack limit rod is selectively inserted. Compared with the prior art, the utility model realizes the goal of exercising of legs, feet, waist, belly and hands at the same time.
Description
[technical field]
The utility model relates to a kind of fitness equipment, especially relates to a kind of multi-functional sit-ups machine.
[background technology]
Sit-ups machine structure of the prior art is comparatively single, can only be used for carrying out simple sit-up exercise.Yet such machinery can only be tempered the belly of human body, and function singleness can't satisfy most of people's life requirement.
[utility model content]
Technical problem to be solved in the utility model is: a kind of sit-ups machine is provided, and it can perform physical exercise to human body shank, foot, waist, belly and hand simultaneously and cost is low, be fit to family fitness uses.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of sit-ups machine is provided, comprise body frame, hook frame, back pad, two handrails and cushion, described body frame comprises rear leg, the inclined tube that extends to form obliquely from the rear leg middle part, reaches the preceding foot rest that stretches out from cushion bracket downwards from the terminal cushion bracket that extends to form that bends of inclined tube, and both sides, preceding foot rest middle part are respectively equipped with pivot; Back pad one end is hubbed on the inclined tube; Two handrails are hubbed on the inclined tube respectively; Cushion is located on the cushion bracket; In the bottom that is arranged in the cushion bracket above the pivot and at least one position that is positioned at the forward foot in a step support two positions below the pivot be provided with the articulated section; On the pivot of foot rest, a hook frame end outwardly was provided with hook portion before described hook frame middle part was hubbed at, and the other end stretches out and is provided with the first pivot pipe; Other has pull bar one end to be articulated on the first pivot pipe, and the other end is articulated on the articulated section; Forward foot in a step chord position also is provided with a jack in the position of the outer side of pivot, and a hook frame gag lever post optionally is inserted in the described jack.
Further improvement in the technical proposal is: be provided with first articulated section on the bottom that is positioned at the cushion bracket above the pivot, and on the forward foot in a step support that is positioned at below the pivot, also be provided with second articulated section, described pull bar one end is articulated on the first pivot pipe, and the other end is articulated on first articulated section or second articulated section.
By adopting technique scheme, the utlity model has following beneficial effect: the utility model sit-ups machine only needs and will can carry out sit-up movement in the hook frame gag lever post insertion corresponding jack, and hook frame gag lever post is extracted in jack, and the other end of pull bar is articulated on first articulated section or second articulated section, can carry out the hook or the exercise of marking time, thereby can exercise human leg portion, foot, waist, belly and hand, but also can be by adjusting the quantity of pull bar, adjust required application of force size, reach the purpose that is fit to different users's use.
Below in conjunction with accompanying drawing the utility model is described in further detail.
[description of drawings]
Fig. 1 is the assembled state schematic perspective view of the utility model sit-ups machine.
Fig. 2 is the decomposing state schematic perspective view of the utility model sit-ups machine.
[specific embodiment]
As depicted in figs. 1 and 2, the utility model provides a kind of sit-ups machine, comprises body frame 1, swinging mounting 2, hook frame 3, back pad 5, handrail 6 and cushion 7.
Wherein, body frame 1 comprise again be positioned at lowermost end press on ground rear leg 10, from the middle part of rear leg 10 extend obliquely the inclined tube 11 that forms, inclined tube 11 ends transfer again horizontally extending cushion bracket 12, from cushion bracket 12 stretch out downwards press on ground before foot rest 13 and be installed in holder 14, gag lever post 15 on the inclined tube 11.
In the present embodiment, described rear leg 10 adopts the ground transverse tube form that directly presses on.
Stretch out first stator 110 that takes the shape of the letter U down at inclined tube 11 middle parts, correspondence is provided with first fixing hole 1100 on it, and correspondence is provided with screw lock hole (scheming not shown) on the holder 14, passes screw lock hole, fixing hole 1100 by means of bolt 141 and fixes with the nut screw lock and holder 14 is fixed on first stator 110.Described holder 14 middle parts are provided with an axis hole that connects (figure does not indicate), as shown in Figure 2, holder 14 can adopt the corresponding covering structure form of two cover plates, be respectively equipped with in the relative side of two cover plates the position over against semicircle slotted eye 140, after two cover plates covered, two halves round slot bore 140 promptly formed described axis hole.
The position that is lower than holder 14 on inclined tube 11 is provided with the spacing lockhole 111 that several are arranged vertically, and corresponding second stator 150 that takes the shape of the letter U that stretches out on the gag lever post 15, be respectively equipped with second fixing hole (scheming not shown) on second stator 150, second fixing hole of first gag lever post 15 and the wherein lockhole 111 on the inclined tube 11 are aligned, again with a latch 151 corresponding second fixing hole and the spacing lockholes 111 of inserting, being about to gag lever post 15 is mounted on the inclined tube 11, and by regulating the position of gag lever post 15, make its second fixing hole align different lockholes 111 on the inclined tube 11 and insert latch 151 again and fix, can obtain different spacing positions.Extend to form rotating shaft pipe 16 to both sides in that the joining place of inclined tube 11 and cushion bracket 12 is also vertical.
Described cushion bracket 12 comprises a girder 120 that extends to form from the terminal bending of inclined tube 11 and some strutbeams 121 that stretches out to both sides perpendicular to girder 120, is respectively equipped with some installing holes 122 on it.Also be provided with the 3rd stator 123 of a U-shaped in the bottom of cushion bracket 12, and on the 3rd stator 123, be provided with two the 3rd fixing holes 124,125 that are arranged above and below.One first articulated section 126 is also respectively extended to both sides respectively in described cushion bracket 12 bottoms.
The top of foot rest 13 is fixed on the 3rd stator 123 before described, and its bottom also is provided with a transverse tube 130 and compresses on the ground, and preceding foot rest 13 plays whole sit-ups machine with rear leg 10 together support of body frame 1.The top of preceding foot rest 13 is provided with two perforation 131,132 that are arranged above and below, it is corresponding with two the 3rd fixing holes 124,125 on the 3rd stator 123 respectively, and insert connection with bolt 133 and latch 134 respectively, when latch 134 is extracted, also preceding foot rest 13 can be folded up to dwindle whole sit-ups machine towards cushion bracket 12 directions and taken up space, can be convenient to collection.Lean on to both sides at preceding foot rest 13 middle parts and respectively to extend a pivot 135, and also be provided with a jack 136 in the position of preceding foot rest 13 pivots 135 outer sides, it can insert for a hook frame gag lever post 137; Also respectively stretch out one second articulated section 138 by following to both sides at preceding foot rest 13 middle parts.
Described swinging mounting 2 comprises a mounting pipe 20 and extends the push rod 22 that forms perpendicular to mounting pipe 20, and described mounting pipe 20 is arranged on the axis hole of holder 14 of inclined tube 11, makes mounting pipe 20 to rotate around the axis in axis hole.End at push rod 22 is equipped with pulley 220.
Described hook frame 3 comprises certain flexible pull bar 34 that has that a connecting rod 30, the first pivot pipe 32, the second pivot pipe 33 of being located at connecting rod 30 middle parts and the plastic cement that stretch out from hook portion 31 that connecting rod 30 1 ends stretch out, from connecting rod 30 other ends make.Wherein the first pivot pipe 32 articulates with an end of pull bar 34; And the second pivot pipe 33 be enclosed within before on the pivot 135 of foot rest 13 and hook frame 3 can be rotated around pivot 135.The other end of pull bar 34 can corresponding be hubbed on first articulated section 126 or second articulated section 138 on the preceding foot rest 13 of cushion bracket 12 bottoms, specifically looks user demand and is regulated voluntarily by the user.
Described back pad 5 comprises back pad support 50 and is fixed in bed course 52 on the back pad support 50 by means of some screws 54.One end of described back pad support 50 is articulated on the rotating shaft pipe 16 of body frame 1 and makes central siphon 16 rotations that can rotate of whole back pad 5.And the pulley 220 of push rod 22 ends of swinging mounting 2 also is resisted against the bottom surface of back pad support 50, rotates thereby can promote rotate central siphon 16 of back pad 5 by push rod 22.
Described handrail 6 be installed on the two ends of mounting pipe 20 of swinging mounting 2 and its free end upwards bending extend and when the both sides of back pad 5 lie on the back pad 5 with the person who happens to be on hand for an errand, can easily grip handrail 6.In the present embodiment, its mode that is fixed on the mounting pipe 20 is: the end at handrail 6 is provided with the end that a sleeve pipe 60 is sheathed on mounting pipe 20, and the corresponding end that reaches mounting pipe 20 on sleeve pipe 60 is respectively equipped with corresponding jack 600,200, after sleeve pipe 60 is enclosed within mounting pipe 20, jack 600 on the mounting pipe is aligned with jack 200 on the mounting pipe 20, insert with a latch 62 again and be about to that both are fixedly connected, for preventing in the body-building process, the sidewall of the end of latch 62 be provided with one can be radially movable elasticity salient point 620, when it puts in place in insertion, can be stuck in jack 200 peripheries, like this, need certain strength make elasticity salient point 620 can insert or extract latch 62 to sinking into, and at other latch 151, also be provided with similar elasticity bump structure on 135, to strengthen the reliability of syndeton.In addition, also a socket hole 200 can be set on mounting pipe 20, and can align jack 600 on the sleeve pipe 60, thereby the position that can regulate handrail 6 is to be more suitable in operation with different jack 200.Certainly, the fixed form of handrail 6 can also adopt other various fixedly connected modes, and for example: clamping, screw are fixing etc.
Described cushion 7 is placed on the cushion bracket 12, passes installing hole 122 on the cushion bracket 12 by means of screw 71 and locks cushion 7 bottoms again and fix.
During use, when needs carry out sit-ups, in the jack 136 on the foot rest 13 before 137 insertions of hook frame gag lever post, hook frame 3 promptly is subjected to the restriction of hook frame gag lever post 137 and can't upwards rotates, and user's pin can catch on hook frame 3 and exert oneself to assist to carry out sit-up movement.
And when needs carry out other motion exercises, gag lever post 137 is extracted in jack 136, when being articulated in the other end of pull bar 34 on first articulated section 126 that is positioned at pivot 135 tops, the people can be sitting on the cushion 7, catches on the hook exercise that hook frame 3 carries out shank and foot with pin; Be articulated on second articulated section 138 that is positioned at pivot 135 belows when the other end, can carry out the exercise of marking time of shank and foot pull bar 34.
In sum, the utility model sit-ups machine not only can carry out sit-up movement, also can carry out the hook or the exercise of marking time, thereby can exercise human leg portion, foot, waist, belly and hand, but also can be by adjusting the quantity of pull bar 34, adjust required application of force size, reach the purpose that is fit to different users's use.
Claims (10)
1, a kind of sit-ups machine, comprise body frame, hook frame, back pad, two handrails and cushion, described body frame comprises rear leg, the inclined tube that extends to form obliquely from the rear leg middle part, reaches the preceding foot rest that stretches out from cushion bracket downwards from the terminal cushion bracket that extends to form that bends of inclined tube, and both sides, preceding foot rest middle part are respectively equipped with pivot; Back pad one end is hubbed on the inclined tube; Two handrails are hubbed on the inclined tube respectively; Cushion is located on the cushion bracket; It is characterized in that: in the bottom that is arranged in the cushion bracket above the pivot and at least one position that is positioned at the forward foot in a step support two positions below the pivot be provided with the articulated section; On the pivot of foot rest, a hook frame end outwardly was provided with hook portion before described hook frame middle part was hubbed at, and the other end stretches out and is provided with the first pivot pipe; Other has pull bar one end to be articulated on the first pivot pipe, and the other end is articulated on the articulated section; Forward foot in a step chord position also is provided with a jack in the position of the outer side of pivot, and a hook frame gag lever post optionally is inserted in the described jack.
2, sit-ups machine as claimed in claim 1, it is characterized in that: on the bottom that is positioned at the cushion bracket above the pivot, be provided with first articulated section, and on the forward foot in a step support that is positioned at below the pivot, also be provided with second articulated section, described pull bar one end is articulated on the first pivot pipe, and the other end is articulated on first articulated section or second articulated section.
3, sit-ups machine as claimed in claim 2 is characterized in that: described first articulated section, second articulated section are respectively a pipe fitting that protrudes out.
4, sit-ups machine as claimed in claim 1, it is characterized in that: described inclined tube middle part is installed with a holder, holder has an axis hole, and in axis hole, wear a swinging mounting, the two ends of described swinging mounting are connected with a handrail respectively, and swinging mounting also stretches out at least one push rod and is resisted against respectively on the back pad bottom surface, and the position that is lower than holder on inclined tube also is provided with one and limits the gag lever post that push rod rotates stroke.
5, sit-ups machine as claimed in claim 4, it is characterized in that: the end that described handrail links to each other with swinging mounting is provided with a sleeve pipe, on the sleeve pipe and the end of swinging mounting is respectively equipped with corresponding jack, described casing pipe sleeve is in the end of swinging mounting, and both jacks align, and insert to be about to a latch that both are fixedly connected again.
6, sit-ups machine as claimed in claim 4, it is characterized in that: the end of described push rod is provided with pulley, and pulley is resisted against on the back pad bottom surface slidably.
7, sit-ups machine as claimed in claim 4, it is characterized in that: described gag lever post stretches out second stator of a U-shaped, which is provided with second fixing hole, and the position that is lower than holder on inclined tube is provided with the spacing lockhole of a row vertically, aligns one of them spacing lockhole with second fixing hole on second stator and inserts with a latch and fix.
8, sit-ups machine as claimed in claim 1, it is characterized in that: the joining place of described inclined tube and cushion bracket is also vertical to extend to form the rotating shaft pipe to both sides, and back pad comprises a back pad support and be fixed in bed course on the back pad support, and described back pad support is hubbed on the rotating shaft pipe.
9, sit-ups machine as claimed in claim 1 is characterized in that: the bottom of described cushion bracket is provided with the 3rd stator of a U-shaped, and is provided with two the 3rd fixing holes that are arranged above and below on the 3rd stator; And the top of preceding foot rest is provided with two perforation that are arranged above and below, and it is corresponding with two the 3rd fixing holes on the 3rd stator respectively, and inserts with bolt and latch respectively and connect.
10, sit-ups machine as claimed in claim 1 is characterized in that: described rear leg and preceding foot rest bottom include one and press on ground transverse tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620013347 CN2894745Y (en) | 2006-03-30 | 2006-03-30 | Sit-up machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620013347 CN2894745Y (en) | 2006-03-30 | 2006-03-30 | Sit-up machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2894745Y true CN2894745Y (en) | 2007-05-02 |
Family
ID=38064324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620013347 Expired - Fee Related CN2894745Y (en) | 2006-03-30 | 2006-03-30 | Sit-up machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2894745Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103300954A (en) * | 2013-05-15 | 2013-09-18 | 赵德利 | Semi-automatic multifunctional gas-rod-type traction machine |
| CN103432720A (en) * | 2013-07-25 | 2013-12-11 | 上海工程技术大学 | Multifunctional lumbar spinal cord and abdomen muscle training instrument |
| CN108240456A (en) * | 2017-12-04 | 2018-07-03 | 安徽未来机电科技有限公司 | A kind of gear connection rod structure of retarder |
-
2006
- 2006-03-30 CN CN 200620013347 patent/CN2894745Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103300954A (en) * | 2013-05-15 | 2013-09-18 | 赵德利 | Semi-automatic multifunctional gas-rod-type traction machine |
| CN103432720A (en) * | 2013-07-25 | 2013-12-11 | 上海工程技术大学 | Multifunctional lumbar spinal cord and abdomen muscle training instrument |
| CN108240456A (en) * | 2017-12-04 | 2018-07-03 | 安徽未来机电科技有限公司 | A kind of gear connection rod structure of retarder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Zhang Yu Document name: Notification to Pay the Fees |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070502 Termination date: 20100330 |