CN208135655U - Flexible stretcher - Google Patents

Abstract

The utility model discloses a kind of flexible stretcher；Including shell, wire rod and spool stand；Shell includes cover and lower casing；Wire rod has fixing end and stretches end；Vertical in the middle part of lower casing inner bottom surface to have hollow stud A, lower case side wall is equipped with multiple hollow stud B, and lower case side wall is provided with the first side opening and so that the second side opening that stretching end is stretched out so that fixing end is stretched out；Spool stand is rotatably sheathed on outside hollow stud A；To the limiting slot having to be arranged at the top of hollow stud A in the middle part of cover inner top surface, cover is provided with the fixation hole A for penetrating through limiting slot in the middle part of outer top surface, and cover outer rim is equipped with multiple fixation hole B.Effect：Wire rod can be used as electric power connection line or signal connecting line uses, when in use, so that it stretches out certain length, so that avoiding in disorder knotting and occupying larger exterior space, hollow stud A stationarity is good, so that spool stand stationarity is good, and make stationarity between cover and lower casing good, in turn, the utility model is practical, and using effect is good.

Description

Flexible stretcher

Technical field

The utility model relates to spool stand technical fields, in particular, being related to a kind of flexible stretcher.

Background technique

Winder, as its name suggests, a kind of utensil to wind wire rod.Most common winder, one in existing life As include shell, wire rod, the spool stand to wind wire rod being set in the housing and the wire stretching end stretched out from shell, Its shell generally then includes the cover and lower casing being detachably connected by screw.

Although it is using extensively, it still has certain defect and deficiency.

Specifically, on the one hand, it cannot function as to wind the signal company for connecing the electric power connection line of electricity or transmitting signal The winder of wiring uses, i.e., it cannot accomplish so that its wire rod fixing end, which is stretched, connects electric use, on the other hand, spool stand Stationarity be not very well, when getting loose between its cover and its lower casing, spool stand is then easier to loosen displacement so that Service life is short, also, simply fixed by screw between its cover and its lower casing, uses long afterwards in the time, when respective screws pine When de-, then it is easy to throw away between cover and its lower casing, also makes its service life short, meanwhile, the wire rod of winding is stretching Out when certain length, need the outer locking member added of Manual press its shell that its wire rod could be made to be stretched fixation, in this way, Then make troublesome in poeration.

Thereby, the prior art has much room for improvement.

Utility model content

A kind of flexible stretcher provided the purpose of the utility model is to overcome the deficiency of the above-mentioned prior art.

The utility model solves technical solution used by prior art problem：A kind of flexible stretcher, including shell, Wire rod and the spool stand to wind the wire rod；

Wherein, the shell includes cover and lower casing；The wire rod has the fixing end and drawing drawn from the spool stand Stretch end；It is vertically equipped with a hollow stud A in the middle part of the lower casing inner bottom surface, the lower case side wall is vertically installed with multiple hollow stud B, The lower case side wall is also provided with so that the first side opening of fixing end stretching and so that second for stretching end and stretching out Side opening；

The spool stand is set in the lower casing and is rotatably sheathed on outside the hollow stud A；

To having a limiting slot to be arranged at the top of the hollow stud A, the face in the middle part of the cover inner top surface The fixation hole A that the perforation limiting slot is offered in the middle part of outer top surface is covered, and the cover outer rim is equipped with multiple and respective hollow Stud B location is relatively fixed hole B；

The cover and the lower casing pass through the fixation hole A of screw-in corresponding position, the clamping screw A of hollow stud A and rotation The clamping screw B phase of the fixation hole B, hollow stud B that enter corresponding position are fixed.

Above technical scheme is further elaborated below：

Preferably, edge upwardly extends and is provided with the notched lock in multiple sides in the lower case side wall；Outside the cover Edge is equipped with multiple lock teeth opposite with corresponding lock position；

When the rotation cover, so that when multiple multiple locks of the corresponding screw-in of the lock tooth, multiple lock teeth pair Should be fixed up and down by multiple locks, the position correspondence of multiple fixation hole B is turned to and multiple hollow stud B Position it is opposite one by one.

Preferably, the lower casing inner bottom surface is provided with one and the first side opening phase on the inside of first side opening The L-type metallic channel of connection.

Preferably, the lower casing inner bottom surface is vertically installed with one to guide wire rod in the inside of second side opening Guide post.

Preferably, the lower case side wall is also surrounded with multiple inverted L shape holding firmwares to fixed wire rod.

Preferably, the spool stand include turntable, scroll spring, in the middle part of the disk upper surface to accommodate It states the hollow fixed cylinder of scroll spring, close the detachable top cover of the hollow fixed cylinder, from the hollow fixed cylinder to cover Hold the outwardly extending more positive stop strips in outer and the wrapping post in the middle part of the turntable bottom surface；

Wherein, offered in the middle part of the turntable penetrate through the hollow fixed cylinder and the wrapping post so that the hollow spiral shell The via hole that column A is passed through；The scroll spring is wound in outside the hollow stud A, one end and the fixed company of the hollow stud A It connects, the other end is fixedly connected with the hollow fixed cylinder inner wall；The hollow fixed cylinder side wall offers a mouth A and one excessively and crosses mouth B, the hollow fixed cylinder be located at it is described cross mouth A and it is described cross mouth B between one section of inside be installed with one and its between have The arc-shaped limit plate for having the shape for centainly crossing line gap matched；One and the mistake are offered on the outside of the disk upper surface Mouth B adjoining thread passing port；

The wire rod is fastened in the line gap excessively and passes through the thread passing port；The wire rod stretches the one of end close to it Section is positioned above the turntable, and is wound in outside the hollow fixed cylinder；One section close to its fixing end of the wire rod is located at Below the turntable, and it is wound in outside the wrapping post.

Preferably, the detachable top cover includes lid and multiple fixing buckles set on the lid outer rim；It is described hollow Along offering multiple correspondences L-type fixing groove opposite with multiple fixing buckle positions downwards in the upper end of fixed cylinder；Each institute Stating L-type fixing groove includes vertically arranged accommodation groove and the swivelling chute being connected with corresponding accommodating trench bottom being laterally arranged；

When by the cover cap together in the hollow fixed cylinder upper end so that multiple fixing buckles it is corresponding be placed in it is multiple The accommodation groove, and when rotating the lid, multiple fixing buckles correspondences are turned in multiple swivelling chutes.

Preferably, the turntable bottom surface is provided with one to fixed wire rod in described cross between mouth B and the thread passing port Buckle.

Preferably, the spool stand further includes the control device to control the wire rod extension elongation；

Wherein, the control device includes rectangular limited block, swing component, is connected to form the first conflict bullet of U-shaped structure Piece and the second conflict elastic slice；The rectangular limited block is fixedly arranged on the outer edge of the lower casing inner bottom surface；The rectangular limited block The angular sunken inside in wherein one end close to the lower casing center is equipped with an arc detent point, and the bottom surface of the turntable is outside it Along a rotation axis is installed with downwards, the swing component, which rotatably covers, to be fixed in outside the rotation axis, and the swing component has one Towards the turntable outer pointed structures suitable for the abutting part to offset with the arc detent point and one with the abutting part The limiting section of opposite facing setting；The bottom surface of the turntable is installed with multiple fixing pieces around the rotation axis, is connected to form U The first conflict elastic slice of type structure and the second conflict elastic slice are fastened between multiple fixing pieces around the swing component, And the side of the first conflict elastic slice and the swing component offsets, described second contradicts the other side of elastic slice and the swing component It offsets；

For the spool stand when winding the wire rod, described second contradicts elastic slice preferentially close to the arc detent point；Institute The middle part for stating the first conflict elastic slice has been bent to form one so as to fix the limit to the side of the second conflict elastic slice described in face The elastic force of the dog-ear in portion, the first conflict elastic slice is slightly less than the acrotorque of the scroll spring；

When pulling out the wire rod certain length from the spool stand, so that the swing component is in company with the spool stand to described When first conflict elastic slice direction rotates one week or several weeks and gently unclamps the wire rod, the limiting section is fastened in the folding Angle, the abutting part offset with the arc detent point, and the spool stand is locked；

When pulling on the wire rod certain length and the moment release wire rod, so that the turning power of the scroll spring The elastic force for contradicting elastic slice greater than described first, then so that the swing component is returned back to around the rotation axis so that the abutting part It slips away and the arc detent point and makes the limiting section and when the dog-ear is separated, the spool stand revolution, the wire rod Stretching end wound and be wound in outside the hollow fixed cylinder.

Preferably, the spool stand further include be set to the turntable bottom surface to cover the bottom for closing the swing component Lid；

Wherein, the side wall of the bottom cover is surrounded with multiple fixation loops upwardly extended；The turntable bottom surface runs through Its upper surface offers the fore shaft of multiple corresponding multiple fixed loops that lock.

The utility model has the beneficial effects that：

One, a kind of flexible stretcher provided by the utility model, in the specific implementation, on the one hand, the wire rod is received Roll up on the spool stand, the lower case side wall offer so that the first side opening that the fixing end of the wire rod is stretched out and so that The wire rod stretch end stretch out the second side opening, in this way, i.e. so that the wire rod can be used as connect electricity electric power connection line or The signal connecting line for transmitting signal uses, when in use, so that it stretches out certain length, so that avoiding it because not received It rolls up and shows in disorder, knot and occupy larger space because in disorder to avoid it, on the other hand, in the middle part of the cover inner top surface To a limiting slot to be arranged at the top of the hollow stud A is had, the cover offers a perforation institute in the middle part of outer top surface State the fixation hole A of limiting slot, and the cover outer rim is equipped with multiple hole B that are relatively fixed with respective hollow stud B location；It is described Cover and the lower casing by the fixation hole A of screw-in corresponding position, the clamping screw A of hollow stud A and screw in corresponding position Fixation hole B, hollow stud B clamping screw B phase fix, in this way, then making the hollow stud A stationarity good and stability It is good, so that the spool stand stationarity being sheathed on outside the hollow stud A is good and stability is good, it is not easy corresponding spool stand Displacement is loosened, so that long service life, and make stationarity between the cover and the lower casing good, and in turn, the utility model Practical, using effect is good.

Secondly, in the technical scheme, on the one hand, when rotating the cover, so that the corresponding screw-in of multiple lock teeth is more When a lock, multiple lock teeth are corresponding fixed up and down by multiple locks, in this way, i.e. so that the cover with it is described Locking property is good between lower casing, described even if the fastening bolt A and the fastening bolt B are got loose after prolonged use It is also not easy therefore to throw away between cover and the lower casing, then enables the utility model service life to be prolonged significantly as a result, It is long, on the other hand, because the lower casing inner bottom surface is provided with one and the first side opening phase on the inside of first side opening The L-type metallic channel of connection, set L-type metallic channel can then play the role of the fixing end of certain fixing wire rod, make It obtains after it reserves certain length and is not easy to be pullled again, also, because the lower casing inner bottom surface is in the inside of second side opening It is vertically installed with a guide post to guide wire rod, set guide post, which is supported, pastes the wire rod inner wall, so that one can be played Fixed guiding role, so that the stretching end of wire rod smoothness when pulling out is good, in turn, the using effect energy of the utility model It effectively improves.

Thirdly, in the present embodiment, on the one hand, the lower case side wall is also surrounded with multiple falling to fixed wire rod L-type holding firmware, when not in use, the fixing end of the wire rod can be fastened in the L-type holding firmware after stretching, so that surrounding The lower casing outer wall is fixed, so that storage property gets well and is not take up exterior space, on the other hand, the wire rod is fastened in the line excessively Gap simultaneously passes through the thread passing port, so that stationarity is good, at the same time, one section close to its stretching end of the wire rod is wound in Outside the hollow fixed cylinder；One section close to its fixing end of the wire rod is wound in outside the wrapping post, so that the wire rod There is no direct connection relationships between the scroll spring, and no matter the scroll spring is winding or stretches, and will not The wire rod is pullled, so that the service life of wire rod is long, in turn, the using effect of the utility model can be mentioned further It is high.

Four, in the specific implementation, on the one hand, because the turntable bottom surface is crossed between mouth B and the thread passing port in described It is provided with a buckle to fixed wire rod, in this way, then making the stationarity that can be further improved the wire rod, so that this is practical Novel use reliability is more preferable, on the other hand, because the spool stand further includes the control to control the wire rod extension elongation Device；When pulling out the wire rod certain length from the spool stand, so that the swing component is in company with the spool stand to described the When one conflict elastic slice direction rotates one week or several weeks and gently unclamps the wire rod, the limiting section is fastened in the folding Angle, the abutting part offset with the arc detent point, and the spool stand is locked；When pulling on, the wire rod is certain Length and the moment release wire rod, so that the turning power of the scroll spring is greater than the described first elastic force for contradicting elastic slice, after And so that the swing component returns back to the arc detent point so that the abutting part slips away around the rotation axis and makes described When limiting section and the dog-ear are separated, the spool stand revolution, the stretching end of the wire rod is wound and is wound in described Outside empty fixed cylinder, in this way, then enable the utility model to accomplish so that the stretching end extension elongation of the wire rod is controllable, When its extension elongation is controllable, without being similar to the push type locking member showed on traditional tape measure, so that this is practical new The use of type is more convenient, so that easy to operate and time saving and energy saving, in turn, the using effect of the utility model can reach best.

Detailed description of the invention

Fig. 1 is the overall structure diagram one of the flexible stretcher of the utility model；

Fig. 2 is the overall structure diagram two of the flexible stretcher of the utility model；

Fig. 3 is the whole exploded view one of the flexible stretcher of the utility model；

Fig. 4 is flexible whole exploded view two of the stretcher when removing the wire rod of the utility model；

Fig. 5 is the enlarged drawing of A in Fig. 4；

Fig. 6 is flexible whole exploded view three of the stretcher when removing the wire rod of the utility model；

In Fig. 7 the utility model embodiment, when the spool stand is locked, the abutting part of the swing component with it is described The usage state diagram that arc detent point offsets and the limiting section of the swing component and the dog-ear offset；

The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.

Drawing reference numeral：

Flexible stretcher 1000；

Shell 10；

Cover 101；Limiting slot 1011；Fixation hole A1012；Fixation hole B1013；Lock tooth 1014；Lower casing 102；Hollow stud A1021；Hollow stud B1022；First side opening 1023；Second side opening 1024；Lock 1025；L-type metallic channel 1026；Guiding Column 1027；Inverted L shape holding firmware 1028；

Wire rod 20；

Fixing end 201；Stretch end 202；

Spool stand 30；

Turntable 301；Via hole 3011；Thread passing port 3012；Fore shaft 3013；Scroll spring 302；Hollow fixed cylinder 303；Cross mouth A3031；Cross mouth B3032；L-type fixing groove 3033；Accommodation groove 30331；Swivelling chute 30332；Detachable top cover 304；Lid 3041； Fixing buckle 3042；Positive stop strip 305；Wrapping post 306；Arc-shaped limit plate 307；Buckle 308；Control device 309；Rectangular limited block 3091；Arc detent point 30911；Swing component 3092；Abutting part 30921；Limiting section 30922；First contradicts elastic slice 3093；Dog-ear 30931；Second contradicts elastic slice 3094；Rotation axis 310；Holding firmware 311；Bottom cover 312；Fixed loop 3121；

Clamping screw A40；

Clamping screw B50.

Specific embodiment

The technical solution of the utility model is described in detail below with reference to drawings and the specific embodiments, to become apparent from, directly See the invention essence that ground understands the utility model.

In conjunction with shown in Fig. 1-Fig. 7；

A kind of flexible stretcher 1000 provided by the utility model, including shell 10, wire rod 20 and described to wind The spool stand 30 of wire rod 20；

Wherein, the shell 10 includes cover 101 and lower casing 102；The wire rod 20, which has from the spool stand 30, draws Fixing end 201 and stretch end 202；A hollow stud A1021, the lower casing 102 are vertically equipped in the middle part of 102 inner bottom surface of lower casing Side wall is vertically installed with multiple hollow stud B1022, and 102 side wall of lower casing is also provided with so that the fixing end 201 is stretched out The first side opening 1023 and so that it is described stretch end 202 stretch out the second side opening 1024；

The spool stand 30 is set in the lower casing 102 and is rotatably sheathed on outside the hollow stud A1021；

To having a limiting slot to be arranged at the top of the hollow stud A1021 in the middle part of 101 inner top surface of cover 1011, the cover 101 outer top surface middle part offers the fixation hole A1012 of the perforation limiting slot 1011, and the cover 101 outer rims are equipped with multiple hole B1013 that are relatively fixed with the position respective hollow stud B1022；

The cover 101 passes through the fixation hole A1012's, hollow stud A1021 for screwing in corresponding position with the lower casing 102 Clamping screw A40 and screw in the fixation hole B1013 of corresponding position, the clamping screw B50 phase of hollow stud B1022 is fixed.

Be based on, can with it is clear that：

On the one hand, because the wire rod 20 is wound on the spool stand 30,102 side wall of lower casing is offered so that described The first side opening 1023 and so that second side that the stretching end 202 of the wire rod 20 is stretched out that the fixing end 201 of wire rod 20 is stretched out Opening 1024, in this way, i.e. so that the signal connecting line that the wire rod 20 can be used as the electric power connection line for connecing electricity or transmit signal makes With, when in use so that it stretches out certain length so that it is avoided to show in disorder due to not by winding, to avoid its because It is in disorder and knot and occupy larger space.

On the other hand, due in the middle part of 101 inner top surface of cover to having one to be arranged the hollow stud A1021 The limiting slot 1011 at top, the cover 101 outer top surface middle part offer the fixation hole of the perforation limiting slot 1011 A1012, and 101 outer rim of the cover is equipped with multiple hole B1013 that are relatively fixed with the position respective hollow stud B1022；It is described Cover 101 and the lower casing 102 are by screwing in the fixation hole A1012 of corresponding position, the clamping screw A40 of hollow stud A1021 And screw in the fixation hole B1013 of corresponding position, the clamping screw B50 phase of hollow stud B1022 is fixed, in this way, then making described Hollow stud A1021 stationarity is good and stability is good, so that being sheathed on 30 stationarity of spool stand outside the hollow stud A1021 Good and stability is good, and corresponding spool stand 30 is then made to be not easy to loosen displacement, so that long service life, and make the cover Stationarity is good between 101 and the lower casing 102.

In turn, the utility model is practical, and using effect is good.

It is emphasized that edge, which upwardly extends, in the technical scheme, on 102 side wall of lower casing is provided with multiple sides Notched lock 1025；101 outer rim of cover is equipped with multiple lock teeth 1014 opposite with 1025 positions of corresponding lock；

When the rotation cover 101, so that multiple lock teeth 1014 correspond to when screwing in multiple locks 1025, it is multiple The lock tooth 1014 is corresponding fixed by multiple about 1025 locks, and the position correspondence of multiple fixation hole B1013 is turned It moves to opposite one by one with the position of multiple hollow stud B1022.

In this way, the cover 101 passes through fixation hole A1012, the hollow stud of screw-in corresponding position with the lower casing 102 The clamping screw A40 and the fixation hole B1013 of screw-in corresponding position, the clamping screw B50 phase of hollow stud B1022 of A1021 is solid After fixed, i.e., so that locking property is good between the cover 101 and the lower casing 102, even if the fastening bolt A and the fastening spiral shell Bolt B is got loose after prolonged use, is also not easy therefore to throw away between the cover 101 and the lower casing 102.

The utility model service life is then enabled to be greatly prolonged as a result,.

It should be noted that in the present embodiment, 102 inner bottom surface of lower casing is in the inside of first side opening 1023 It is provided with a L-type metallic channel 1026 being connected with first side opening 1023.

In this way, set L-type metallic channel 1026 can then play the work of the fixing end 201 of the fixed wire rod 20 of level-one With so that it is not easy to be pullled again after reserving certain length.

Also, in the technical scheme, 102 inner bottom surface of lower casing is vertically solid in the inside of second side opening 1024 Guide post 1027 equipped with one to guide wire rod 20.

In this way, set guide post 1027, which is supported, pastes 20 inner wall of wire rod, so that certain guiding role can be played, with Keep the stretching end 202 of the wire rod 20 smoothness when pulling out good.

In turn, the using effect of the utility model can effectively improve.

Preferably, in the technical scheme, 102 side wall of lower casing is also surrounded with multiple to fix wire rod 20 Inverted L shape holding firmware 1028.

In this way, when not in use, the fixing end 201 of the wire rod 20 can be fastened in the L-type holding firmware after stretching In 1028, so that it is fixed around 102 outer wall of lower casing, so that storage property is good and is not take up exterior space.

Preferably, in the specific implementation, the spool stand 30 of the utility model include turntable 301, scroll spring 302, Institute is closed set on the hollow fixed cylinder 303 to accommodate the scroll spring 302 of 301 upper surface middle part of turntable, to cover It states the detachable top cover 304 of hollow fixed cylinder 303, limited from outwardly extending more of the hollow 303 upper end outer of fixed cylinder Item 305 and the wrapping post 306 in the middle part of 301 bottom surface of turntable；

Wherein, offered in the middle part of the turntable 301 the perforation hollow fixed cylinder 303 and the wrapping post 306 so that The via hole 3011 that the hollow stud A1021 is passed through；The scroll spring 302 is wound in outside the hollow stud A1021, one End is fixedly connected with the hollow stud A1021, and the other end is fixedly connected with hollow 303 inner wall of fixed cylinder；It is described hollow 303 side wall of fixed cylinder offers a mouth A3031 and one excessively and crosses mouth B3032, and the hollow fixed cylinder 303 is located at the mouth excessively A3031 and it is described cross mouth B3032 between one section of inside be installed with one and between it with it is certain cross line gap shape with Its compatible arc-shaped limit plate 307；It is adjoining with the mouth B3032 excessively that one is offered on the outside of 301 upper surface of turntable Thread passing port 3012；

The wire rod 20 is fastened in the line gap excessively and passes through the thread passing port 3012；

One section close to its stretching end 202 of the wire rod 20 is located at 301 top of turntable, and is wound in described hollow Outside fixed cylinder 303；

One section close to its fixing end 201 of the wire rod 20 is located at 301 lower section of turntable, and is wound in the coiling Outside column 306.

So, on the one hand, the wire rod 20 is fastened in the line gap excessively and passes through the thread passing port 3012, so that fixed Property it is good, the fixed wire rod 20 of second level can be played the role of, on the other hand, the wire rod 20 stretches the one of end 202 close to it Section is wound in outside the hollow fixed cylinder 303；One section close to its fixing end 201 of the wire rod 20 is wound in the wrapping post Outside 306 so that there is no direct connection relationship between the wire rod 20 and the scroll spring 302, no matter the scrollwork bullet Spring 302 is winding or stretches, and the wire rod 20 will not be pullled, so that 20 long service life of the wire rod.

In turn, the using effect of the utility model can be further enhanced.

Preferably, in the technical scheme, the detachable top cover 304 including lid 3041 and is set to the lid 3041 Multiple fixing buckles 3042 of outer rim；In the upper end of the hollow fixed cylinder 303 along offer downwards multiple correspondences with it is multiple described The opposite L-type fixing groove 3033 in 3042 position of fixing buckle；Each L-type fixing groove 3033 includes vertically arranged accommodation groove 30331 and the swivelling chute 30332 being connected with corresponding 30331 bottom of accommodation groove that is laterally arranged；

When the lid 3041 is covered on 303 upper end of hollow fixed cylinder, so that multiple fixing buckles 3042 are right When should be placed in multiple accommodation grooves 30331, and rotate the lid 3041, multiple correspondences of fixing buckle 3042 are rotated In to multiple swivelling chutes 30332.

In this way, i.e. so that stationarity is good between the lid 3041 and the hollow fixed cylinder 303, so that described hollow solid 302 stationarity of scroll spring in safety barrel 303 is good.

Also, in the technical scheme, 301 bottom surface of turntable crosses mouth B3032 and the thread passing port 3012 in described Between be provided with a buckle 308 to fixed wire rod 20.

In this way, the buckle 308 can then play the role of the fixed wire rod 20 of three-level, so that can be further improved described The stationarity of wire rod 20, so that the utility model use reliability is more preferable.

Preferably, in the technical scheme, the spool stand 30 further includes to control 20 extension elongation of wire rod Control device 309；

Wherein, the control device 309 includes rectangular limited block 3091, swing component 3092, is connected to form U-shaped structure First contradicts elastic slice 3093 and the second conflict elastic slice 3094；The rectangular limited block 3091 is fixedly arranged on 102 inner bottom surface of lower casing Outer edge；The angular sunken inside in wherein one end close to 102 center of lower casing of the rectangular limited block 3091 is equipped with an arc The bottom surface of shape detent point 30911, the turntable 301 is installed with downwards a rotation axis 310, the swing component close to its outer 3092 rotatable sets are fixed in outside the rotation axis 310, and the swing component 3092 has one towards 301 outer of turntable The abutting part 30921 and one for being suitable for offseting with the arc detent point 30911 of pointed structures are opposite with the abutting part 30921 To the limiting section 30922 of setting；The bottom surface of the turntable 301 is installed with multiple fixing pieces 311 around the rotation axis 310, It is connected to form the first conflict elastic slice 3093 and the circular swing component 3092 card of the second conflict elastic slice 3094 of U-shaped structure It is fixed between multiple fixing pieces 311, and the first conflict elastic slice 3093 and the side of the swing component 3092 offset, institute The other side for stating the second conflict elastic slice 3094 and the swing component 3092 offsets；

For the spool stand 30 when winding the wire rod 20, described second contradicts elastic slice 3094 preferentially close to the arc card Site 30911；The middle part of the first conflict elastic slice 3093 is bent to form to the side of the second conflict elastic slice 3094 described in face Have one so as to fix the dog-ear 30931 of the limiting section 30922, the elastic force of the first conflict elastic slice 3093 is slightly less than the whirlpool The acrotorque of coil spring 302；

When pulling out 20 certain length of wire rod from the spool stand 30, so that the swing component 3092 is in company with the spiral When frame 30 rotates one week or several weeks and gently unclamps the wire rod 20 to the first conflict 3093 direction of elastic slice, the limit Position portion 30922 is fastened in the dog-ear 30931, and the abutting part 30921 offsets with the arc detent point 30911, the volume Coil holder 30 is locked；

When pulling on 20 certain length of wire rod and the moment release wire rod 20, so that the scroll spring 302 Turning power be greater than it is described first contradict elastic slice 3093 elastic force, then so that the swing component 3092 is around the rotation axis 310 It returns back to the arc detent the point 30911 so that abutting part 30921 slips away and makes the limiting section 30922 and the folding When angle 30931 is separated, the spool stand 30 is turned round, and the stretching end 202 of the wire rod 20 is wound and is wound in described hollow Outside fixed cylinder 303.

In this way, then enable the utility model to accomplish so that 202 extension elongation of stretching end of the wire rod 20 is controllable, When its extension elongation is controllable, without being similar to the push type locking member showed on traditional tape measure, so that this is practical Novel use is more convenient, so that easy to operate and time saving and energy saving.

In turn, the using effect of the utility model can reach best.

In requiring supplementation with, in the specific implementation, the spool stand 30 further includes being set to 301 bottom surface of turntable To cover the bottom cover 312 for closing the swing component 3092；

Wherein, the side wall of the bottom cover 312 is surrounded with multiple fixation loops 3121 upwardly extended；The turntable 301 Bottom surface offers the fore shaft 3013 of multiple corresponding multiple fixed loops 3121 that lock through its upper surface.

In this way, then making that 3092 stationarity of swing component is good and stability is good, so that its use reliability is strong.

Other embodiments etc., illustrate one by one here, not doing.

In conclusion the utility model overall structure is simple, easily implement, easy to operate, practical, specificity is strong, manufacture It is at low cost, in the improvement of structure and the improvement of technology, do not need to increase too many cost, so that the utility model necessarily has There is good market popularization value, the utility model can be very welcome, can effectively be popularized.

The above is only the preferred embodiment of the present invention, is not intended to limit the patent protection model of the utility model Enclose, the transformation of equivalent structure made by using the description of the utility model and the drawings or equivalent process, or directly or Other related technical areas are used in indirectly, are also included in the patent protection scope of the utility model.

Claims (10)

1. a kind of flexible stretcher, it is characterised in that：Including shell, wire rod and the spool stand to wind the wire rod；

Wherein, the shell includes cover and lower casing；The wire rod has the fixing end drawn from the spool stand and stretching end； It is vertically equipped with a hollow stud A in the middle part of the lower casing inner bottom surface, the lower case side wall is vertically installed with multiple hollow stud B, described Lower case side wall be also provided with so that the fixing end stretch out the first side opening and so that it is described stretch end stretch out second side open Mouthful；

The spool stand is set in the lower casing and is rotatably sheathed on outside the hollow stud A；

To having a limiting slot to be arranged at the top of the hollow stud A in the middle part of the cover inner top surface, outside the cover The fixation hole A of the perforation limiting slot is offered in the middle part of top surface, and the cover outer rim is equipped with multiple and respective hollow stud B Position is relatively fixed hole B；

The cover and the lower casing are by screwing in the fixation hole A of corresponding position, the clamping screw A and screw-in pair of hollow stud A The clamping screw B phase of the fixation hole B, hollow stud B that answer position are fixed.

2. flexible stretcher according to claim 1, it is characterised in that：Edge, which upwardly extends, in the lower case side wall is provided with Multiple notched locks in side；The cover outer rim is equipped with multiple lock teeth opposite with corresponding lock position；

When rotating the cover, so that multiple lock teeth correspond to quilt when multiple multiple locks of the corresponding screw-in of the lock tooth Multiple locks are fixed up and down, the corresponding position being turned to multiple hollow stud B in the position of multiple fixation hole B It sets opposite one by one.

3. flexible stretcher according to claim 1, it is characterised in that：The lower casing inner bottom surface is in first side opening Inside be provided with a L-type metallic channel being connected with first side opening.

4. flexible stretcher according to claim 1, it is characterised in that：The lower casing inner bottom surface is in second side opening Inside be vertically installed with a guide post to guide wire rod.

5. flexible stretcher according to claim 1, it is characterised in that：The lower case side wall is also surrounded with multiple use To fix the inverted L shape holding firmware of wire rod.

6. flexible stretcher according to claim 1-5, it is characterised in that：The spool stand includes turntable, whirlpool Coil spring, the hollow fixed cylinder to accommodate the scroll spring in the middle part of the disk upper surface, to cover described in conjunction The detachable top cover of hollow fixed cylinder from the outwardly extending more positive stop strips in the hollow fixed cylinder upper end outer and is set to described Wrapping post in the middle part of turntable bottom surface；

Wherein, offered in the middle part of the turntable penetrate through the hollow fixed cylinder and the wrapping post so that the hollow stud A The via hole passed through；The scroll spring is wound in outside the hollow stud A, and one end is fixedly connected with the hollow stud A, separately One end is fixedly connected with the hollow fixed cylinder inner wall；The hollow fixed cylinder side wall offers a mouth A and one excessively and crosses mouth B, institute State hollow fixed cylinder be located at it is described cross mouth A and it is described cross mouth B between one section of inside be installed with one and its between have one Determined the matched arc-shaped limit plate of the shape in line gap；One is offered on the outside of the disk upper surface crosses mouth B with described Adjoining thread passing port；

The wire rod is fastened in the line gap excessively and passes through the thread passing port；The section that end is stretched close to it of the wire rod Above the turntable, and it is wound in outside the hollow fixed cylinder；One section close to its fixing end of the wire rod is located at described Below turntable, and it is wound in outside the wrapping post.

7. flexible stretcher according to claim 6, it is characterised in that：The detachable top cover include lid and be set to institute State multiple fixing buckles of lid outer rim；In the upper end of the hollow fixed cylinder along offer downwards multiple correspondences with it is multiple described solid Determine button bit and sets opposite L-type fixing groove；Each L-type fixing groove include vertically arranged accommodation groove and be laterally arranged with The swivelling chute that corresponding accommodating trench bottom is connected；

When by the cover cap together in the hollow fixed cylinder upper end so that multiple fixing buckles it is corresponding be placed in it is multiple described Accommodation groove, and when rotating the lid, multiple fixing buckles correspondences are turned in multiple swivelling chutes.

8. flexible stretcher according to claim 6, it is characterised in that：The turntable bottom surface crosses mouth B and institute in described It states and is provided with a buckle to fixed wire rod between thread passing port.

9. flexible stretcher according to claim 6, it is characterised in that：The spool stand further includes to control the line The control device of material extension elongation；

Wherein, the control device include rectangular limited block, swing component, be connected to be formed U-shaped structure first contradict elastic slice and Second contradicts elastic slice；The rectangular limited block is fixedly arranged on the outer edge of the lower casing inner bottom surface；The rectangular limited block it is close The angular sunken inside in wherein one end at the lower casing center is equipped with an arc detent point, the bottom surface of the turntable close to its outer to Under be installed with a rotation axis, the swing component, which rotatably covers, to be fixed in outside the rotation axis, and the swing component have a direction The abutting part and one for being suitable for offseting with the arc detent point of the pointed structures of the turntable outer are opposite with the abutting part To the limiting section of setting；The bottom surface of the turntable is installed with multiple fixing pieces around the rotation axis, is connected to form U-shaped knot The first conflict elastic slice of structure and the second conflict elastic slice are fastened between multiple fixing pieces around the swing component, and institute The side for stating the first conflict elastic slice and the swing component offsets, and described second contradicts the other side phase of elastic slice and the swing component It supports；

For the spool stand when winding the wire rod, described second contradicts elastic slice preferentially close to the arc detent point；Described The middle part of one conflict elastic slice is bent to form one so as to fix the limiting section to the side of the second conflict elastic slice described in face The elastic force of dog-ear, the first conflict elastic slice is slightly less than the acrotorque of the scroll spring；

When pulling out the wire rod certain length from the spool stand, so that the swing component is in company with the spool stand to described first When contradicting elastic slice direction and rotating one week or several weeks and gently unclamp the wire rod, the limiting section is fastened in the dog-ear, The abutting part offsets with the arc detent point, and the spool stand is locked；

When pulling on the wire rod certain length and the moment release wire rod, so that the turning power of the scroll spring is greater than Described first contradicts the elastic force of elastic slice, then so that the swing component is returned back to around the rotation axis so that the abutting part slips away The arc detent point and make the limiting section and when the dog-ear is separated, the spool stand revolution, the drawing of the wire rod End is stretched to be wound and be wound in outside the hollow fixed cylinder.

10. flexible stretcher according to claim 9, it is characterised in that：The spool stand further includes being set to described turn Disk bottom surface to cover the bottom cover for closing the swing component；

Wherein, the side wall of the bottom cover is surrounded with multiple fixation loops upwardly extended；The turntable bottom surface is through thereon Surface offers the fore shaft of multiple corresponding multiple fixed loops that lock.