A kind of abdominal muscle training device loading weight bearingTechnical field
The invention belongs to body-building apparatus technical fields, and in particular to one kind can load the abdominal muscle training device of weight bearing.
Background technique
Abdominal muscle is the pith in human connective tissue composition, including rectus aabdominis, musculus obliquus externus abdominis, oblique and abdomen crossFlesh.When contraction of abdominal muscle, comptocormia and rotation can be made, and can prevent pelvis from leaning forward.Work of the abdominal muscles for lumbar vertebraeDynamic and stability also has considerable effect, can also control the activity of pelvis and backbone.Kraftlos abdominal muscle may be ledIt causes pelvis to lean forward to increase with lumbar vertebrae physiological bending, and increases the probability of lumbago.Sit-ups are as a kind of side taken exercisesFormula, can effective exercising abdominal muscles, it is very popular.The training method of sit-ups are as follows: lie on the back, legs joined, two on handIt lifts, using contraction of abdominal muscle, two-arm is swung forward, and rapidly at sitting posture, upper body continuation is anteflexion, and two hand haptic element faces are bowed, then restoredAt sitting posture, so it is carried out continuously.
The development of Chinese fitness equipment industry starts from late 1980s, with China's entry into the WTO and Beijing Olympics BiddingSuccess provides advantage and opportunity to develop for the development of fitness equipment industry, and body-building troop constantly expands as fitness equipmentMaterial manufacturer brings dense business opportunity.There are various sit-up trainers, on the market to realize the mesh of exercising abdominal muscles's.However, existing sit-up trainer is designed as fixed structure mostly, loaded weight by the way of holding dumbbell plate,It is not only inconvenient, but also the load limited amount of dumbbell plate, in addition to this, there is also some potential safety problemss.
Summary of the invention
Object of the present invention is to: it is intended to provide a kind of abdominal muscle training device that can load weight bearing, the not only operation of loaded weightSimply, safety, and the need of exercise of most of trainers can be can satisfy with the multiple dumbbell plates of on-demand loading.
To realize the above-mentioned technical purpose, The technical solution adopted by the invention is as follows:
A kind of abdominal muscle training device loading weight bearing, including front support rod, back support rod, connecting rod, column, backrest plateHinge bar, sitting height hinge bar and leg support bar, the front support rod is parallel with back support rod and level is oppositely arranged, describedUprights vertical be fixed in the middle part of back support rod, it is solid that one end of the connecting rod is fixed in the middle part of front support rod, the other endIt is connected to the top of column, the connecting rod is in being connected with limit assembly, the top of the column on the end face of front support rodHinged with one end of backrest plate hinge bar, backrest plate hinge bar free end top is fixed with seat plate, the rear end of the seat plateIt is hinged with backrest plate, the active segment of the backrest plate is held on the upper surface of backrest plate hinge bar, and the backrest plate hinge bar is certainlyHinged by end lower part and one end of sitting height hinge bar, the free end of the sitting height hinge bar limit by limit assembly solidIt is fixed, it is fixed in the middle part of the free end of the backrest plate hinge bar with one end of leg support bar, the other end of the leg support barThe end left and right sides of upward bending, the leg support bar is connected with leg pressing sleeve, and the leg support bar is in bendingPosition is fixed with strut, is connected with supporting leg sleeve at left and right sides of the top of the strut, the upper front of the strut is connected withLoop bar can be arranged dumbbell plate on the loop bar, and the upper surface left and right edges position of the backrest plate is detachably equipped with twoThe identical shoulder belt of a structure, position of the upper surface of the backrest plate between two shoulder belts offers at least along the extending direction of plateOne loading hole, the depth size of the loading hole are greater than the thickness of dumbbell plate, and the aperture size of the loading hole is greater thanThe diameter dimension of dumbbell plate, the loading hole are detachably equipped with cover board.
Using technical solution of the present invention, when needing to carry out load stomach workout, dumbbell plate is placed in loading hole, lidUpper cover plate and fixation, then trainer's buttocks is placed on seat plate, and back is placed on backrest plate, and both legs are placed in leg pressing sleeve and supporting legBetween sleeve, both hands pass through shoulder belt, so that shoulder belt is close to the both shoulders of trainer, lift on trainer's both hands, utilize contraction of abdominal muscle, two-armIt swings forward, rapidly at sitting posture, upper body continuation is anteflexion, and two hand haptic element faces bow, are then reduced into sitting posture, can so carry outLoad stomach workout.Such structure design, the structure and position advantage for taking full advantage of backrest plate itself are wanted in conjunction with movementNeck, not only loaded weight is easy to operate, safe, but also can satisfy most of training with the multiple dumbbell plates of on-demand loadingThe need of exercise of person.
Further, the limit assembly is the groove-like structure that section is in U-shape, and two cell walls of the limit assembly offerLimit hole, to form multiple opposite limiting tooths.Such design can arbitrarily be sat according to trainer's height situationThe adjusting of plate height.
Further, the backrest plate hinge bar is two, and is hingedly connected at left and right sides of the top of column, a phasePair limiting tooth in be equipped with gag lever post, the left and right ends of the gag lever post stretch out limit assembly two cell walls it is outer and with two sitting heightsThe free end of hinge bar is socketed, and is connected with support rod between the free end of two backrest plate hinge bars, the support rodMiddle part is affixed with leg support bar.Such design, not only total is more firm, and the adjusting of seat plate height is more smooth,And limit effect is preferable.
Further, the outer wall of the leg pressing sleeve, supporting leg sleeve, seat plate and backrest plate, which matches, is arranged with cushion.In this wayDesign, leg, buttocks and the back of trainer can be allowed to be in state as snug as a bug in a rug, so that training process is more relaxedClothes, design are more humanized.
Further, the loop bar offers multiple fixation holes, is inserted with T-shaped fixed pin in a fixation hole.In this wayDesign, the dumbbell plate that can be would sit idle for is temporarily stored on loop bar, and is fixed by the limit of T-shaped fixed pin, loads stomach workoutProcess is safer, avoids the occurrence of accident, and design is more humanized.
Further, the seat plate rear end face is fixed there are two semicircle blocky trunnion, and the backrest plate front end face is fixed withOne semicircle blocky hangers, the hangers is inserted between two trunnions and hinged by pin shaft.Such design so that seat plate andArticulated structure between backrest plate is relatively simple, and backrest plate rotary course acts smooth without interference.
Further, the aperture position of the loading hole is radially integrally formed with multiple in the axial limiting being angularly distributedBlock, for the inner wall one end of the axial limiting block integrally formed with radial limited block, the cover board is for plectane and radially integratedThe quantity otic placode equal with axial limiting block is formed, the otic placode can be with the gap between two neighboring axial limiting blockMatch, the top surface of the cover board is integrally formed with cross handle.Such design can carry out cover board axially and radially dualLimit, to prevent dumbbell plate from deviating from out of loading hole, it is ensured that trainer's safety.
Further, the shoulder belt is two sections of telescopic bands, and one end of the telescopic band is connect with backrest plate, and the two of telescopic bandA free end snaps connection.Such design can adjust shoulder belt at any time, make trainer according to the otherness of trainer's individualIt is more comfortable, meet the need of exercise of more crowds.
Detailed description of the invention
The present invention can be further illustrated by the nonlimiting examples that attached drawing provides；
Fig. 1 is the schematic perspective view one for the abdominal muscle training device embodiment that one kind of the present invention can load weight bearing；
Fig. 2 is the schematic perspective view two for the abdominal muscle training device embodiment that one kind of the present invention can load weight bearing；
Fig. 3 is the enlarged structure schematic diagram in Fig. 2 at A；
Fig. 4 is the enlarged structure schematic diagram in Fig. 2 at B；
Fig. 5 is the schematic perspective view for the abdominal muscle training device embodiment cover plate that one kind of the present invention can load weight bearing；
Symbol description in diagram is as follows:
1. front support rod, 2. back support rods, 3. connecting rods, 30. limit assemblies, 4. columns, 5. backrest plate hinge bars, 50.Seat plate, 51. backrest plates, 510. shoulder belts, 511. loading hole, 512. axial limiting blocks, 513. cover boards, 6. sitting height hinge bars, 7. legsPortion's support rod, 70. leg pressing sleeves, 71. struts, 710. supporting leg sleeves, 711. loop bars, 712. dumbbell plates.
Specific embodiment
In order to make those skilled in the art that the present invention may be better understood, with reference to the accompanying drawings and examples to this hairBright technical solution further illustrates.
As shown in fig. 1~fig. 5, one kind of the invention can load the abdominal muscle training device of weight bearing, including front support rod 1, afterSupport rod 2, connecting rod 3, column 4, backrest plate hinge bar 5, sitting height hinge bar 6 and leg support bar 7, front support rod 1 and rear branchStrut 2 is parallel and level is oppositely arranged, and column 4 is vertically fixed in the middle part of back support rod 2, before one end of connecting rod 3 is fixed inThe middle part of support rod 1, the other end are fixed in the top of column 4, and connecting rod 3 is in affixed limited on the end face of front support rod 1Hyte part 30, the top of column 4 and one end of backrest plate hinge bar 5 are hinged, and 5 free end top of backrest plate hinge bar is fixed with seatPlate 50, the rear end of seat plate 50 are hinged with backrest plate 51, and the active segment of backrest plate 51 is held on the upper surface of backrest plate hinge bar 5,5 free end lower part of backrest plate hinge bar and one end of sitting height hinge bar 6 are hinged, and the free end of sitting height hinge bar 6 passes through limit groupPart 30 fixes, and fixes in the middle part of the free end of backrest plate hinge bar 5 with one end of leg support bar 7, leg support bar 7The upward bending of the other end, be connected with leg pressing sleeve 70 at left and right sides of the end of leg support bar 7, leg support bar 7 is in foldingCurved position is fixed with strut 71, and supporting leg sleeve 710 is connected at left and right sides of the top of strut 71, and the upper front of strut 71 is solidIt is connected to loop bar 711, dumbbell plate 712 can be arranged on loop bar 711, the upper surface left and right edges position of backrest plate 51 is detachably installedThere are two the identical shoulder belts 510 of structure, and position of the upper surface of backrest plate 51 between two shoulder belts 510 is opened along the extending direction of plateEquipped at least one loading hole 511, the depth size of loading hole 511 is greater than the thickness of dumbbell plate 712, loading hole 511Aperture size is greater than the diameter dimension of dumbbell plate 712, and loading hole 511 is detachably equipped with cover board 513.
In the present embodiment, when needing to carry out load stomach workout, dumbbell plate 712 is placed in loading hole 511, is closed the lidPlate 513 is simultaneously fixed, and then trainer's buttocks is placed on seat plate 50, and back is placed on backrest plate 51, and both legs are placed in leg pressing sleeve 70Between supporting leg sleeve 710, both hands pass through shoulder belt 510, so that shoulder belt 510 is close to the both shoulders of trainer, lift on trainer's both hands, benefitWith contraction of abdominal muscle, two-arm is swung forward, and rapidly at sitting posture, upper body continuation is anteflexion, and two hand haptic element faces bow, are then reduced into seatAppearance can so carry out load stomach workout.
Preferably, limit assembly 30 is the groove-like structure that section is in U-shape, two cell walls of limit assembly 30 open up limitedPosition hole, to form multiple opposite limiting tooths.Such design can arbitrarily carry out seat plate according to trainer's height situationThe adjusting of 50 height.In fact, can also specifically consider the structure of limit assembly 30 according to the actual situation, as long as can be realized pairSitting height hinge bar 6 fixes.
Preferably, backrest plate hinge bar 5 is two, and it is hingedly connected at left and right sides of the top of column 4, one is oppositeBe equipped with gag lever post in limiting tooth, the left and right ends of gag lever post stretch out limit assembly 30 two cell walls it is outer and with two sitting height hinge bars6 free end is socketed, and support rod, the middle part of support rod and leg branch are connected between the free end of two backrest plate hinge bars 5Strut 7 is affixed.Such design, not only total is more firm, and the adjusting of 50 height of seat plate is more smooth, and limits effectFruit is preferable.In fact, can also specifically consider structural strengthening mode and limit method according to the actual situation.
Preferably, leg pressing sleeve 70, supporting leg sleeve 710, seat plate 50 and backrest plate 51 outer wall match be arranged with it is softPad.Such design can allow leg, buttocks and the back of trainer to be in state as snug as a bug in a rug, so that training processMore comfortable, design is more humanized.In fact, can also specifically consider other knots of improvement comfort property according to the actual situationStructure design scheme.
Preferably, loop bar 711 offers multiple fixation holes, T-shaped fixed pin is inserted in a fixation hole.It is such to setMeter, the dumbbell plate 712 that can be would sit idle for are temporarily stored on loop bar 711, and are fixed by the limit of T-shaped fixed pin, load abdominal muscle instructionIt is safer to practice process, avoids the occurrence of accident, design is more humanized.In fact, can also specifically consider according to the actual situationOther security protection schemes.
Preferably, 50 rear end face of seat plate is fixed there are two semicircle blocky trunnion, 51 front end face of backrest plate is fixed with oneA semicircle blocky hangers, hangers is inserted between two trunnions and hinged by pin shaft.Such design, so that seat plate 50 and leaning againstArticulated structure between plate 51 is relatively simple, and 51 rotary course of backrest plate acts smooth without interference.In fact, can also rootThe articulated structure between seat plate 50 and backrest plate 51 is specifically considered according to actual conditions.
Preferably, the aperture position of loading hole 511 is radially integrally formed with multiple in the axial limit being angularly distributedPosition block 512, integrally formed with radial limited block, cover board 513 is plectane and radially one for the inner wall one end of axial limiting block 512The body formed otic placode for having quantity equal with axial limiting block 512, otic placode can be with the gaps between two neighboring axial limiting block 512Matching, the top surface of cover board 513 is integrally formed with cross handle.Such design can carry out axially and radially cover board 513Double limitation, to prevent dumbbell plate 712 from deviating from out of loading hole 511, it is ensured that trainer's safety.In fact, can also be according to realityBorder situation specifically considers other security protection schemes for preventing dumbbell plate 712 from deviating from out of loading hole 511.
Preferably, shoulder belt 510 is two sections of telescopic bands, one end of telescopic band is connect with backrest plate 51, and the two of telescopic bandA free end snaps connection.Such design can adjust shoulder belt 510 at any time, make to train according to the otherness of trainer's individualPerson is more comfortable, meets the need of exercise of more crowds.In fact, can also specifically consider shoulder belt 510 according to the actual situationStructure.
Above-described embodiment is merely exemplary to illustrate the principle of the present invention and its effect, and is not intended to limit the present invention.It is any ripeThe personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.CauseThis, all those of ordinary skill in the art are completed without departing from the spirit and technical ideas disclosed in the present inventionAll equivalent modifications or change, should be covered by the claims of the present invention.