CN2353329Y - Folding type electric stretching device - Google Patents

Abstract

The utility model discloses a folding electric stretching device, which is assembled by a front rack, a back rack and a connecting seat. The front end of the frame rod of the front rack is provided with a front supporting leg, the back end of the frame rod of the back rack is connected with a back supporting leg via an extension bar, and the front rack and the back rack are pivoted via the connecting seat. The bottom surface of the frame rod of the back rack is provided with a linear motor, and the extension bar is provided with a sliding sleeve driven by the linear motor to displace. The sliding sleeve is provided with a foot rest, and the sliding sleeve is connected with the front supporting leg via a drag rope. When the folding electric stretching device is utilized, the linear motor is used for driving the foot rest to displace and stretch to definite extent, and the connecting seat is lifted upwards via the drag rope with favorable stretching effect.

Description

The Foldable electric spreader

This utility model relates to a kind of body-building apparatus, is specially a kind of for the stretching trunk, for the Foldable electric spreader that alleviates bony spur sufferer or intervertebral disk hernia patient pain.

The kind of vertebra injury is quite a lot of, improvement along with the living condition, the increase of aging population makes patient's number of suffering from bony spur (Bone Spurs) be on the increase, again because the popularization that adds computer in vogue of service trade, make that the people that are sitting in every day before desk or the computer are increasing, and suffer from sore waist and aching in the waist and the back or intervertebral disk hernia and the number of pressuring nerve is countless especially.

Aforesaid sufferer has different therapeutic modalities according to the difference of its state of an illness weight, general orthopaedics, department of neurology or the doctor of rehabilitation section can advise adopting the mode of naturopathy mostly, all do not advise treating less than forced with surgical operation, in fact, relevant at present rehabilitation material also constantly is developed, and relevant equipment can be removed slight illness for the lighter patient of most state of an illness really.

Mode with general naturopathy is seen it, its mainly be in view of relevant slight illness all be because due to vertebrae oppressed for a long time, carry out rehabilitation so all adopt the mode of stretch (traction), no matter be machine traction, the traction of sand bag of western medicine, also or " towel traction method " in the Japanese naturopathy, " whole ridge " in the folkd therapy of China all is to adopt tensile mode to allow vertebra can recover the normal position, and can solves neural oppressed problem even.

Having been introduced by Japan in recent years can be by " spreader " of patient from line operate, it mainly is to be provided with a service creeper, and be provided with movably foot rest in service creeper one end, the patient can couch earlier on service creeper, simultaneously the ankle place is folded in the foot rest fixing, a manipulation then lever, make foot rest move to the direction of stretching body, so that the effect that stretches vertebra to be provided, this type of spreader can reach certain stretching, extension effect really, so obtain many doctors' recommendation, again because it can allow the patient at home from line operate, need not to assist and carry out stretching, also need not to go to every day hospital to carry out traction recovering, and obtain the favorable comment of numerous user by other people.

Though can see the spreader of multiple different brands, different types on the market, but it all belongs to fixed structure, that is its integral body promptly is the fixed structure of a strip after assembling is finished, can't be after user usefulness finishes with it folding storage, indoor promptly cause a sizable obstacle at home, because the only tens of minutes time of this type of spreader use every day, but must occupy certain interior space in 24 hours, and the necessity that is improved is arranged.

Analyzed with another angle again, because existing this type of spreader all only can provide simple stretching, its the effect that can reach quite limited, make the action of enduring before the vertebra if can outside stretching, add, when making the lumbar vertebra that generally bears the pressure maximum more tend to healthy normal state, this also is the very crux that still can't break through on structural design about producer's effort research at present.

And existing spreader all is to come mobile foot rest to carry out stretching with hand propelled or rotating operation handle voluntarily by the patient, though it is quite convenient in operation, but if patient's arm does not have enough strength to promote or the rotating operation handle, then can't utilize existing spreader to carry out stretching, this is again a defective on the existing spreader structural design.

Main purpose of the present utility model is: a kind of Foldable electric spreader is provided, and it can be folded setting easily when not using, and can reduce occupation space, makes things convenient for user to deposit or collect.

A purpose more of the present utility model is: a kind of Foldable electric spreader is provided, and its foot rest is to cooperate a linear motor to drive to drive, and it can allow user operate easily, and reaches better extension effects.

The technical solution of the utility model is to provide a kind of Foldable electric spreader, be characterized in: it is by preceding, after-frame and connecting base assemble, the frame bar is provided with preceding service creeper before its side arm, the front baffle front end is provided with front support leg, on after-frame after-frame bar, be provided with the back service creeper, the after-frame rod rear end is connected rear leg with extension rod, and it is preceding, between the after-frame then with the linking that is pivoted of the connecting base with middle leg, in frame-saw bar bottom surface, back one linear motor is set, being provided with one on extension rod can be by the sliding sleeve of linear motor driven displacement, sliding sleeve is provided with foot rest, between sliding sleeve and front support leg, be connected, can drive the foot rest displacement by linear motor during use and stretch, when extending to a certain degree with drag-line, can make the lifting that makes progress of connecting base place by drag-line, again when not using can with before, after-frame is folding storage in addition.

Aforesaid Foldable electric spreader, wherein: the two ends of front support leg are arranged with roller housing respectively.

Aforesaid Foldable electric spreader, wherein: bottom surface, the nearly rear end of former frame bar is installed with a stationary pipes, appropriate location in this stationary pipes is provided with pin-and-hole, handle can wear the two ends that are assembled in stationary pipes, and on handle, also be provided with the pin-and-hole that matches with the stationary pipes pin-and-hole, be assembled to when locating in the stationary pipes at handle, can steady pin penetrate pin-and-hole and located.

Aforesaid Foldable electric spreader, wherein: be provided with roller at the rear leg rear side.

Aforesaid Foldable electric spreader, wherein: be provided with one in after-frame bar side and screw togather seat, and in wherein being assembled with a knob, the end that screws togather of this knob penetrates the after-frame bar and pushes against on extension rod.

Aforesaid Foldable electric spreader, wherein: the connecting base top is horizontally arranged with joining rod, articulate forward and backward frame bar place at these joining rod two ends and be provided with short slot respectively, then a sleeve pipe below joining rod, this casing pipe sleeve is located at middle leg and is on the interior bar of one, this sleeve pipe side be provided with one can adjust in the latch of relative position between bar and sleeve pipe, side is respectively equipped with one and strides the pulley of establishing for drag-line before and after middle leg central authorities, and the interior bar in the pulley top is provided with a slotted hole that passes through for drag-line.

Aforesaid Foldable electric spreader, wherein: sliding sleeve is assembled on the extension rod slidably, this sliding sleeve is connected mutually with the action shaft end of linear motor, this sliding sleeve is provided with foot rest, the sheer pole of foot rest and sliding sleeve are and are wholely set, one cross tube wears and is assembled in one of foot rest and adjusts in the slotted hole, should be provided with one in order to adjust the adjustment handgrip of cross tube with respect to the relative position between sheer pole above adjusting slotted hole, is provided with a rear transverse rod that is one at this cross tube rear side again.

Aforesaid Foldable electric spreader, wherein: be provided with a drag-line sheet below sliding sleeve, the front support leg side also is provided with a drag-line sheet, cooperates the button hook assembling to be provided with a drag-line between two drag-line sheets.

This utility model spreader is by preceding, after-frame assembles with the connecting base linking, the frame-saw rod rear end is connected rear leg with extension rod in the back, and one linear motor is set in frame-saw bar bottom surface, back, being provided with one on extension rod can be by the sliding sleeve of linear motor driven displacement, sliding sleeve is provided with foot rest, between sliding sleeve and front support leg, be connected with drag-line, can drive the foot rest displacement by linear motor during use stretches, when extending to a certain degree, can make the lifting that makes progress of connecting base place by drag-line, make extension effects better, the patient is added outside stretching make the action of enduring before the vertebra, can make the lumbar vertebra that generally bears the pressure maximum more tend to healthy normal state.

Simultaneously, stretch,, also can utilize this spreader to carry out stretching even patient's arm does not have enough strength to promote or the rotating operation handle because linear motor drives the foot rest displacement.

In addition, when not using, can be folded setting easily with forward and backward, and can be reduced occupation space, make things convenient for user to deposit or collect.

Further specify specific structural features of the present utility model and purpose below in conjunction with accompanying drawing.

Brief Description Of Drawings:

Fig. 1 is a preferred embodiment schematic appearance of the present utility model.

Fig. 2 is a preparation of the present utility model expansion schematic side view when using.

Fig. 3 is a connecting base structural representation of the present utility model.

It is tight and make the schematic side view of connecting base propradation that Fig. 4 is that linear motor of the present utility model drives drag-line.

Fig. 5 is that this utility model folds the schematic side view when folding.

Fig. 6 is a handle structure decomposing schematic representation of the present utility model.

Fig. 7 is the part generalized section that after-frame bar of the present utility model matches with extension rod.

See also shown in Figure 1, it is a preferred embodiment schematic appearance of the present utility model, it is identical wherein can to see moulded and existing spreader of the present utility model, be provided with front support leg 14 in front end, the rear end is provided with rear leg 24, and central authorities are provided with middle leg 34, the top is provided with the forward and backward service creeper 100,200 that is available for users to couch, and be provided with displaceable foot rest 42 in back service creeper 200 rear sides, in the time of on user couches it, can provide user suitable stretching by the displacement of foot rest 42.

Expansion schematic side view when this utility model of cooperation Fig. 2 is prepared to use is seen it, overall structure configuration status wherein of the present utility model as can be seen, wherein can see this utility model and be by forward and backward 10,20 and connecting base 30 assemble, service creeper 100 before wherein side arm 10 tops are installed with, preceding frame bar 12 front ends are provided with front support leg 14, the two ends of front support leg 14 are arranged with roller housing 140 respectively, be provided with a drag-line sheet 142 in front support leg 14 rear sides again, former frame bar 12 nearly bottom surfaces, rear end are installed with a stationary pipes 16 in addition, and can assemble handle 18 therein.

After-frame 20 tops are installed with back service creeper 200, after-frame bar 22 rear ends are connected rear leg 24 with extension rod 23, be provided with roller 240 at rear leg 24 rear sides, and be assembled with in rear leg 24 lower ends and can cooperate latch 244 to adjust the interior bar 242 of height, be installed with a linear motor 26 in after-frame bar 22 bottom surfaces again, the action shaft 260 of this linear motor 26 stretches out backward.

Before of the present utility model, after- frame 10,20 is with connecting base 30 linking that is pivoted, cooperate connecting base 30 structural representations of Fig. 3 to see it, these connecting base 30 top horizontally sets be joining rod 32, before these joining rod 32 two ends articulate, after- frame bar 12,22 places are provided with short slot 320 respectively, then a sleeve pipe 33 below joining rod 32, this sleeve pipe 33 is sheathed on middle leg 34 and is on the interior bar 340 of one, and can cooperate side one latch 346 adjust in the relative position of 33 of bar 340 and sleeve pipes, and then the height of adjustment connecting base 30, be respectively equipped with a pulley 342 in middle leg 34 central authorities' front and back sides, and the interior bar 340 in pulley 342 tops is provided with a slotted hole 344.

Can see a sliding sleeve 40 in addition in Fig. 2 is assembled on the extension rod 23 slidably, this sliding sleeve 40 is connected mutually with action shaft 260 ends of linear motor 26, and can on extension rod 23, make slide displacement by linear motor 26 starts, this sliding sleeve 40 is provided with foot rest 42, the sheer pole 44 of foot rest 42 is with sliding sleeve 40 and is wholely set, cross tube 46 wears and is assembled in the adjustment slotted hole 460, should above adjusting slotted hole 460, an adjustment handgrip 462 be set, it is in order to adjust the relative position of cross tube 46 with respect to 44 of sheer poles, and can adjust utilization easily for the different users, be provided with a rear transverse rod 468 that is one at these cross tube 46 rear sides again, it can adjust height with respect to sheer pole 44 in the lump with cross tube 46, is provided with a drag-line sheet 48 in sliding sleeve 40 bottom surfaces in addition.

Forward and backward 10 of the present utility model in addition, 20 below are provided with a drag-line 50, and this drag-line 50 cooperates button hooks 52 to be connected between front support leg 14 drag-line sheets 142 and the sliding sleeve drag-line sheet 48, and the slotted hole 344 of middle leg 34 is also passed, and can set up on the pulley 342 in its stage casing.

Shown in Figure 4, for linear motor 26 of the present utility model drives the drag-line 50 tight schematic side view that make connecting base 30 propradations, wherein can see at user operation linear motor 26, when making its action shaft 260 elongations, promptly can drive sliding sleeve 40 on extension rod 23 to rear leg 24 direction displacements, and the effect of a stretching of user can be provided, again when sliding sleeve 40 produces displacement, the drag-line 50 that is connected on the drag-line sheet 48 also is straightened tight gradually, when sliding sleeve 40 moves to a desired location, drag-line 50 promptly is tight degree, the action shaft 260 of linear motor 26 promptly can't continue to promote displacement with sliding sleeve 40, this moment, linear motor 26 can be subjected to the counteracting force of action shaft 260 elongation actions, cooperate the rolling of the roller housing 140 that is provided with on the front support leg 14 simultaneously, and before forcing, after- frame 10,20 produce bending, and promptly connecting base 30 can upwards be raised to the position shown in the figure, the effect of enduring before a lumbar vertebra of user so can be provided, and the more excellent extension effects of performance.

Thus shown in the figure as can be known, when drag-line 50 is straightened when tight, its stage casing is the upper limb that is arranged in leg 34 slotted holes 344, when linear motor 26 continuation starts are extended action shaft 260 again, connecting base 30 promptly begins upwards lifting, when being raised to drag-line 50 and touching slotted hole 344 lower edges, promptly can't continue lifting, and reach an extreme position, the clutch or the detecting switch that are arranged on this moment in the linear motor 26 promptly can stop action shaft 260 continuation elongations, to guarantee normal operation of the present utility model, guarantee the safe in utilization of user simultaneously; Certainly, if drag-line 50 gets loose or when rupturing, its connecting base 30 promptly the lifting effect can not take place, the start limit of its linear motor 26 promptly is the greatest length of action shaft 260 elongations, and is definitely no problem on safety in utilization.

See it by Fig. 5 again, schematic side view when it folds for this utility model is folding, state in the time of wherein can seeing this utility model and fold, when this utility model when desiring to fold after finishing, the action shaft 260 of linear motor 26 can be retracted to the shortest position, then with in the extension rod 23 retraction after-frame bars 22, then connecting base 30 upwards can be lifted, and make 10, the 20 phase closings of forward and backward seat, make whole reduction in bulk to minimum degree, the roller 240 that rear leg 24 sides are set simultaneously lands, and is available for users to be shifted easily.

See it by Fig. 6 again, it is this utility model handle 18 STRUCTURE DECOMPOSITION sketch maps, stationary pipes 16 shown in it is frame bar 12 belows before welding is arranged at, appropriate location on this stationary pipes 16 is provided with pin-and-hole 160, handle 18 can wear the two ends that are assembled in stationary pipes 16, and on handle 18, also be provided with the pin-and-hole 180 that matches with stationary pipes 16 pin-and-holes 160, when handle 18 is assembled to when locating in the stationary pipes 16, promptly can penetrate pin-and-hole 160 by steady pin 182, located in 180, and be the aspect shown in Fig. 1, or when not using, easily handle 18 is removed by stationary pipes 16 places, setting by handle 18, when user couches on this utility model, can be easily with the both hands application of force, and adjust suitable position and the angle of health.

In addition in the part generalized section that matches with extension rod 23 for after-frame bar 22 of the present utility model shown in Fig. 7, wherein can see after-frame bar 22 sides be provided with one screw togather the seat 220, and in wherein being assembled with a knob 222, this knob 222 screw togather the end 224 can penetrate after-frame bar 22 and pushing and pressing on extension rod 23, so user can utilize this knob 222 to adjust the length of extension rod 23, or is fixed.

This utility model is taked above structure configuration, can be when spreader extends to extreme position, can make by drag-line 50 effects and lifting on the connecting base 30, the action of enduring before the user waist portion is provided, and can be with the efficacy exertion of spreader to ultimate attainment, when before user does not need waist, very moving certainly, only need the button hook 52 of drag-line 50 is discharged, can remove this action, also quite convenient on selection operation, its general spreader when folding is much superior.

Claims (8)

1. Foldable electric spreader, it is characterized in that: it assembles with connecting base by forward and backward, the frame bar is provided with preceding service creeper before its side arm, the front baffle front end is provided with front support leg, on after-frame after-frame bar, be provided with the back service creeper, the after-frame rod rear end is connected rear leg with extension rod, between forward and backward then with the linking that is pivoted of the connecting base with middle leg, in frame-saw bar bottom surface, back one linear motor is set, being provided with one on extension rod can be by the sliding sleeve of linear motor driven displacement, sliding sleeve is provided with foot rest, is connected with drag-line between sliding sleeve and front support leg.

2. Foldable electric spreader according to claim 1 is characterized in that: the two ends of front support leg are arranged with roller housing respectively.

3. Foldable electric spreader according to claim 1, it is characterized in that: bottom surface, the nearly rear end of former frame bar is installed with a stationary pipes, appropriate location in this stationary pipes is provided with pin-and-hole, handle can wear the two ends that are assembled in stationary pipes, and on handle, also be provided with the pin-and-hole that matches with the stationary pipes pin-and-hole, be assembled to when locating in the stationary pipes at handle, can steady pin penetrate pin-and-hole and located.

4. Foldable electric spreader according to claim 1 is characterized in that: be provided with roller at the rear leg rear side.

5. Foldable electric spreader according to claim 1 is characterized in that: be provided with one in after-frame bar side and screw togather seat, and in wherein being assembled with a knob, the end that screws togather of this knob penetrates the after-frame bar and pushes against on extension rod.

6. Foldable electric spreader according to claim 1, it is characterized in that: the connecting base top is horizontally arranged with joining rod, articulate forward and backward frame bar place at these joining rod two ends and be provided with short slot respectively, then a sleeve pipe below joining rod, this casing pipe sleeve is located at middle leg and is on the interior bar of one, this sleeve pipe side be provided with one can adjust in the latch of relative position between bar and sleeve pipe, side is respectively equipped with one and strides the pulley of establishing for drag-line before and after middle leg central authorities, and the interior bar in the pulley top is provided with a slotted hole that passes through for drag-line.

7. Foldable electric spreader according to claim 1, it is characterized in that: sliding sleeve is assembled on the extension rod slidably, this sliding sleeve is connected mutually with the action shaft end of linear motor, this sliding sleeve is provided with foot rest, the sheer pole of foot rest and sliding sleeve are and are wholely set, one cross tube wears in the adjustment slotted hole that is assembled in foot rest, above this adjustment slotted hole, be provided with one in order to adjust the handle of cross tube, be provided with a rear transverse rod that is one at this cross tube rear side again with respect to the relative position between sheer pole.

8. Foldable electric spreader according to claim 1 is characterized in that: be provided with a drag-line sheet below sliding sleeve, the front support leg side also is provided with a drag-line sheet, cooperates the button hook assembling to be provided with a drag-line between two drag-line sheets.

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