CN209301530U - It is a kind of to mention line apparatus and mention the wheelchair of line apparatus with this - Google Patents

Abstract

The utility model discloses one kind and mentions line apparatus, including handle, central rotating shaft, around becket bridle, bracing wire guiding mechanism；One handle, has a sleeve extended along its length, a central rotating shaft, and central rotating shaft has an axial through hole, and middle part extends radially outwardly a gear edge；One around becket bridle, and the radial position around becket bridle is equipped with an annular groove, and one is equipped on annular groove for fixing the locating slot of bracing wire；One bracing wire guiding mechanism, it includes a fixed ring for being fixed at cross bar, and fixed ring is installed with stem；Central rotating shaft is fixedly set on cross bar, and handle and the two sides that central rotating shaft gear edge is set in around becket bridle, bracing wire guiding mechanism are arranged in around the outside of becket bridle, and the connected pathways of stem is opposite with the annular groove around becket bridle；By rotating handle, the change of any spacing between fixed point and the connected pathways of stem in the annular groove of becket bridle is driven.Using above-mentioned design, the utility model provides the easy to operate and labour-saving of one kind and mentions line apparatus.

Description

It is a kind of to mention line apparatus and mention the wheelchair of line apparatus with this

Technical field

The utility model relates to one kind to mention line apparatus and its utilization, espespecially a kind of compact-sized and can be set in mentioning for cross bar Line apparatus, this proposes the arm rest cross bar section that line apparatus can be placed on wheelchair.

Background technique

In the wheelchair of some top grades, in order to adjust the angle of wheel chair cushions and/or the tilt angle of the chair back, it is frequently provided with certainly Locking-type gas spring, above-mentioned self-locking gas spring are equipped with telescopic rod regulating mechanism, and one end of the telescopic rod regulating mechanism and setting exist The line apparatus that mentions of cross bar is connected at wheelchair armrest, mentions line apparatus by this and carries out to the extension elongation of self-locking gas spring telescopic rod Control；More specifically, this mentions line apparatus 1a similar to the brake lever of bicycle, it includes operation handle 11a, fixing seat 12a, pivot It is fixed on the cross bar 2a of arm rest at the top of spindle 13a and wire 14a, the fixing seat 12a, the operation handle 11a is realized by drive-connecting shaft 13a and fixing seat 12a and is pivotally connected, and the end of operation handle 11a connects a wire 14a, The other end of wire 14a is connected with the telescopic rod regulating mechanism 31a of self-locking gas spring 3a, and being held with a firm grip by one hand, it is traditional thread binding to mention 1a is set, wire 14a is then controlled and is moved toward the direction far from telescopic rod regulating mechanism, to realize to self-locking gas spring The control of the telescopic rod 32a collapsing length of 3a, but in this way, the distance between operation handle 11a and cross bar 2a are larger, User need to apply the state of holding with a firm grip that biggish power is just able to maintain operation handle 11a, be unfavorable for when holding operation handle 11a with a firm grip User operates.

In view of this, the present inventor furthers investigate in view of the above-mentioned drawbacks in the prior art, there is this case generation then.

Utility model content

The utility model first is designed to provide the easy to operate and labour-saving of one kind and mentions line apparatus.

The second of the utility model is designed to provide using the above-mentioned wheelchair for mentioning line apparatus.

To realize above-mentioned first purpose, the solution of the utility model are as follows:

One kind mentioning line apparatus, it includes handle, central rotating shaft, around becket bridle, bracing wire guiding mechanism；

One handle has a sleeve extended along its length, and the barrel bore is hollow, and the sleeve is towards around becket bridle End face on have the first positioning region；

One central rotating shaft, the central rotating shaft have an axial through hole, and middle part extends radially outwardly a gear edge；

One around becket bridle, should be around becket bridle towards having the second positioning region on the end face of sleeve, and should be around radial position of becket bridle Equipped with an annular groove, one is equipped on annular groove for fixing the locating slot of bracing wire；

One bracing wire guiding mechanism, it includes a fixed ring for being fixed at cross bar, which is installed with stem, The stem is equipped with and allows the connected pathways being drawstring through, and the connected pathways is opposite with the annular groove around becket bridle；

The central rotating shaft is fixedly set on cross bar, handle and the two sides that central rotating shaft gear edge is set in around becket bridle, And the first positioning region cooperation mutually nested with the second positioning region；The bracing wire guiding mechanism is arranged in around the outside of becket bridle, Middle fixed ring is fixed on cross bar, and the connected pathways of stem is opposite with the annular groove around becket bridle；By rotating handle, then Drive the change of any spacing between fixed point and the connected pathways of stem in the annular groove of becket bridle.

Further, the sleeve outer diameter is in cone mouth shape, and its outer surface has several anti-skidding raised lines；Sleeve is outer simultaneously The inside fixed power assisting device of side wall, the power assisting device is thumb button or is force hand handle, which inwardly prolongs Stretching has a straight bar section, and the end of straight bar section has the grip portion of arc transition.

Further, the central rotating shaft is respectively equipped with two positioning rings along the outer diameter end of two sides in gear, is located at handle one Side is the first positioning ring and the second positioning ring, positioned at being third positioning ring and the 4th positioning ring around becket bridle side；Described The internal chamber wall face contact of one positioning ring and the second positioning ring and sleeve, the third positioning ring and the 4th positioning ring with around becket bridle Internal chamber wall face contact.

Further, the central rotating shaft first section, endpiece all have several U-shaped notches along its length, and its initial and end End has the hook part upwarped.

Further, the gear edge of the central rotating shaft is located at is equipped at intervals with two limited blocks on the end face of becket bridle side； The inner wall around becket bridle is equipped with fixture block, and the fixture block is arranged between two limited blocks, it is ensured that around becket bridle in central rotating shaft Two limited blocks between rotated.

Further, First terrace is equipped in the handle, by the gear of the First terrace and central rotating shaft along gap Cooperation, and first positioning region is wave shape groove；It is described that second step face is equipped in becket bridle, by the second step The gear of face and central rotating shaft is along clearance fit, and second positioning region is waveform flange；First positioning region with The mutually nested cooperation in second positioning region.

Further, the fixed ring is respectively equipped with a notch, the two sides of the notch and the lower part for being located at fixed ring First fixing seat and the second fixing seat；First fixing seat and the second fixing seat is equipped with perforative first through hole, simultaneously The second through-hole is equipped in the axial end of the second fixing seat；One pin shaft is placed in second through-hole, and one end of the pin shaft is equipped with the One threaded hole, first threaded hole is opposite with first through hole, a screw bolt passes first through hole and with the first screw hole Fixed, so that pin shaft be made to be fixed in the second through-hole of the second fixing seat, the other end of the pin shaft is equipped with along the vertical direction to be run through The second threaded hole；One stem is spirally connected with the second threaded hole.

Further, below the connected pathways of the stem is arranged at the annular groove tangent line of becket bridle.

Further, the radial part of the fixed ring is at least provided with a third threaded hole, during which is located at The top of the U-shaped notch of heart shaft, a fastening screw are screw-coupled in third threaded hole, and the end of fastening screw passes through U-shaped notch With the mutual contact of cross bar.

Further, the fixed ring inner wall is equipped with several limit raised lines, the limit raised line and the U-shaped notch of central rotating shaft Relatively, and the equivalent width of its width and U-shaped notch.

Further, the longitudinal cross-section of the annular groove around becket bridle is in cam face.

The utility model compared with prior art, the beneficial effects are as follows: being fixed on by central rotating shaft and fixed ring On cross bar, handle and the two sides that central rotating shaft gear edge is set in around becket bridle, and guy winding is in the annular groove around becket bridle It is interior, by rotating handle, then drive in the annular groove of becket bridle it is any between fixed point and the connected pathways of stem between Away from change, by rotating handle, then drive and drawn in becket bridle for example, if the device is mounted on rail segment at wheelchair armrest Line is moved toward the direction far from telescopic rod regulating mechanism, the control to self-locking gas spring is realized, to realize regulating wheel chair The height of pad and/or the tilt angle of the chair back can solve the distance between operation handle and cross bar in the prior art very well It is larger so that user is when holding operation handle with a firm grip need to apply the state of holding with a firm grip that biggish power is just able to maintain operation handle, it is convenient User uses；The brake lever use that gas spring is controlled to handle as wheelchair is avoided simultaneously.

Further, it further includes a bracing wire locked mechanism, which includes key, detent ring, torsional spring, first Spacer pin and fixed pin；The detent ring is located at fixed ring and between becket bridle, which has arc-shaped swing arm, the swing arm The affixed key in end, inner arc face is equipped with stuck point, while the end of detent ring is equipped with third through-hole, logical by the third Detent ring set is placed on pin shaft by hole, and the outer diameter of third through-hole extends outwardly with the first salient point；The fixed pin setting In the radial part of pin shaft；First spacer pin is arranged in around becket bridle towards on the end face of fixed ring, the first limit pins position In the inner arc face of swing arm, and can mutually be engaged by clamping with the stuck point of swing arm；One one end of torsional spring is connected with fixed pin, the other end It is connected with the first salient point, torsional spring applies the elastic force of inside side oscillation to detent ring, it is ensured that the swing arm inner arc face of detent ring Always it is abutted each other with the first spacer pin.

Further, which further includes the second spacer pin, and the second spacer pin setting is fixed second Seat is towards on the end face of becket bridle, and the outer diameter of third through-hole extends outwardly with the second salient point, which can be with second Salient point abuts each other, the radian swung out for limiting detent ring.

Further, the stuck point of the swing arm has circular arc guide surface, other end in the end towards the first spacer pin Recess portion with back-off.

Further, support ring is also being had additional between becket bridle and fixed ring.

Further, it further includes a decorative shell, which will coat around becket bridle and bracing wire guiding mechanism, Axial end have the fourth hole opposite with central rotating shaft through hole, decorative shell outer surface along handle rotating path Equipped with graduated scale, the handle is equipped with a cue mark in the position opposite with graduated scale.

It using above-mentioned design, is driven by rotating handle and is linked around becket bridle, then drive the bracing wire in stem is past to move up It is dynamic, since bracing wire has downward tractive force effect always, when the first spacer pin and the stuck point phase of detent ring swing arm in becket bridle Mutually when clamping, the palm of user avoids bracing wire from resetting without tightly screwing handle at this time, can unclamp both hands and go to handle other Item, for example, if this proposes the rail segment that line apparatus is mounted at wheelchair armrest, user's both hands can free use at this time In the items such as angle of the adjustment wheelchair chair back, it is to be adjusted in place when, stir key with hand, the swing arm of detent ring stirred outward, The stuck point in swing arm and the first spacer pin are detached from this time, and bracing wire is driven rapidly by downward tractive force to be resetted around becket bridle, to hand pine Open button inwardly swings under the drive of torsional spring around becket bridle and resets.

For the second purpose for realizing the utility model, the invention also discloses a kind of wheelchair, which is included at least One with the handrail of cross bar, self-locking gas spring, bracing wire and it is above-mentioned mention line apparatus, which is mounted on wheelchair In rack, the rail segment for mentioning line apparatus and being set in handrail；Described bracing wire one end has a fixing head, fixes by this Head is placed in the locating slot of becket bridle, and guy winding, in the annular groove around becket bridle, the other end of bracing wire passes through lead The connected pathways of column is simultaneously finally connected with the telescopic rod regulating mechanism of self-locking gas spring, by rotating handle, then drive around The bracing wire wound in becket bridle is moved toward the direction far from telescopic rod regulating mechanism, realizes the control to self-locking gas spring.

Using this wheelchair for mentioning line apparatus, easily self-locking gas spring can be adjusted, facilitate user It uses.

Detailed description of the invention

Fig. 1 is the back view of prior art wheelchair；

Fig. 2 is the side view of prior art wheelchair；

Fig. 3 is a kind of stereogram exploded view for the embodiment one for mentioning line apparatus of the utility model；

Fig. 4 is the structural schematic diagram of the utility model handle；

Fig. 5 is another embodiment schematic diagram of the utility model handle；

Fig. 6 is the structural schematic diagram of the utility model central rotating shaft；

Fig. 7 is cross-sectional view of the utility model around becket bridle；

Fig. 8 is the assembled sectional view of Fig. 3；

Fig. 9 is a kind of combination diagram for mentioning line apparatus of the utility model；

Figure 10 is a kind of stereo decomposing Fig. 1 for the embodiment two for mentioning line apparatus of the utility model；

Figure 11 is another angle schematic diagram of Figure 10；

Figure 12 is the Three-dimensional combination diagram of the utility model embodiment two；

Figure 13 is the front view of the utility model embodiment two；

Figure 14 is two rotating handle of the utility model embodiment, the schematic diagram that the first fixed pin and stuck point are mutually clamped；

Figure 15 is the schematic diagram that the utility model embodiment two resets under the action of bracing wire locked mechanism around becket bridle；

Figure 16 is the cross-sectional view in the direction B-B of Figure 13；

Figure 17 is the front section view of Figure 13；

Figure 18 is the stereoscopic schematic diagram of the utility model wheelchair；

Figure 19 is the side view of the utility model wheelchair.

Appended drawing reference:

Handle 1, sleeve 11, the first positioning region 12, anti-skidding raised line 13, thumb button 14, force hand handle 15, straight bar section 151, Grip portion 152, First terrace 16, central rotating shaft 2, through hole 21, gear are along the 22, first positioning ring 23, the second positioning ring 24, the Three positioning rings 25, the 4th positioning ring 26, U-shaped notch 27, hook part 28, limited block 29, around becket bridle 3, the second positioning region 31, annular Groove 32, locating slot 33, fixture block 34, second step face 35, bracing wire guiding mechanism 4, fixed ring 41, notch 411, the first fixing seat 412, the second fixing seat 413, first through hole 414, the second through-hole 415, pin shaft 416, bolt 417, the first threaded hole 418, second Threaded hole 419, third threaded hole 420, fastening screw 421, limit raised line 422, stem 42, connected pathways 43, bracing wire locking Mechanism 5, key 51, detent ring 52, swing arm 521, stuck point 522, circular arc guide surface 5221, recess portion 5222, third through-hole 523, One salient point 524, the second salient point 525, torsional spring 53, the first spacer pin 54, fixed pin 55, the second spacer pin 56, support ring 57, dress Adorn shell 6, fourth hole 61, graduated scale 62, cue mark 63, upper housing 64, lower case 65, the rail segment of handrail 7, self-locking Formula gas spring 8, fixing head 91, rack 10, flexible telescopic rod regulating mechanism 110, mentions line apparatus 100,100A, wheelchair at bracing wire 9 200

Specific embodiment

The utility model is described in detail below in conjunction with drawings and the specific embodiments.

Such as one embodiment that Fig. 1 to Fig. 9 is the utility model, the utility model discloses one kind and mentions line apparatus 100, It includes handle 1, central rotating shaft 2, around becket bridle 3, bracing wire guiding mechanism 4；What the handle 1 extended along its length with one Sleeve 11,11 inner cavity of sleeve is hollow, and the sleeve 11 has the first positioning region 12 in direction on the end face of becket bridle 3；It is described Central rotating shaft 2 there is axial through hole 21, middle part extends radially outwardly a gear along 22；It should be around becket bridle 3 towards sleeve 11 End face on have the second positioning region 31, and should around becket bridle 3 radial position be equipped with one winding bracing wire 9 annular groove 32, Annular groove 32 is equipped with one for fixing the locating slot 33 of bracing wire 9；The bracing wire guiding mechanism 4, it includes one for solid The fixed ring 41 being scheduled at cross bar 7, the fixed ring 41 are installed with stem 42, which, which is equipped with, allows what bracing wire 9 passed through to pass through Break-through road 43, the connected pathways 43 are opposite with the annular groove 32 around becket bridle 3；By rotating handle 1, then drive around becket bridle 3 Annular groove 32 between any fixed point and the connected pathways 43 of stem 42 spacing change.

As shown in Figure 7, it is preferable that the longitudinal cross-section around the annular groove 32 of becket bridle 3 is in cam face, the ring of cam face The radius of connected in star 32 changes greatly, to rotate the handle 1 of low-angle, so that it may which the longer bracing wire 9 of movable length provides It is a kind of more labor-saving to mention line apparatus.

Further, below the connected pathways 43 of stem 42 is arranged at 32 tangent line of annular groove of becket bridle, tangent line mistake Degree is conducive to the movement of bracing wire 9, and motion profile is more smooth, in addition will mention line apparatus 100 and be installed on 200 vehicle of wheelchair, gas Spring 8 is installed in the lower section for mentioning line apparatus 100, will pass through channel 43 and is placed at tangent line lower section and is conducive to bracing wire 9 being directed to gas The position (as shown in figure 19) of spring 8.

Central rotating shaft 2 is fixedly set on cross bar 7, handle 1 and around becket bridle 3 be set in central rotating shaft 2 gear along 22 Two sides, it is preferable that First terrace 16 is equipped in handle 1, by the gear of the First terrace 16 and central rotating shaft 2 along 22 gaps Cooperation, and first positioning region 12 is wave shape groove；It is described that second step face 35 is equipped in becket bridle 3, by this The gear of two step surfaces and central rotating shaft 2 is along 22 clearance fits, and second positioning region 31 is waveform flange, the first positioning The cooperation mutually nested with the second positioning region 31 of portion 12 so that handle 1 and around becket bridle 3 be set in central rotating shaft 2 gear along 22 Two sides, first positioning region 12 are nested using waveform with the second positioning region 31 so that part stress is uniform, and reduction is local Stress is excessive.

Bracing wire guiding mechanism 4 is arranged in around the outside of becket bridle 3, and wherein fixed ring 41 is fixed on cross bar 7, specifically, such as Shown in Fig. 3, fixed ring 41 has a notch 411, two sides of the notch 411 and lower part for being located at fixed ring 41 is respectively equipped with the One fixing seat 412 and the second fixing seat 413；First fixing seat 412 and the second fixing seat 413 is equipped with perforative first Through-hole 414, while the second through-hole 415 is equipped in the axial end of the second fixing seat 413；One pin shaft 416 is placed on second through-hole In 415, one end of the pin shaft 416 is equipped with the first threaded hole 418, and first threaded hole 418 and first through hole 415 are opposite, a spiral shell Bolt 417 sequentially passes through first through hole 414 and is spirally connected fixation with the first threaded hole 418, so that it is fixed so that pin shaft 416 is fixed on second In second through-hole 415 of seat 413, the other end of the pin shaft 416 is equipped with perforative second threaded hole 419 along the vertical direction；One draws Terminal 42 is spirally connected with the second threaded hole 419.2 first section of central rotating shaft, endpiece all have several U types along its length and lack Mouth 27,41 inner wall of fixed ring are equipped with several limit raised lines 422,27 phase of U-shaped notch of the limit raised line 422 and central rotating shaft 2 It is right, and the equivalent width of its width and U-shaped notch 27, it is fixed on fixed ring 41 on central rotating shaft 2, opposite turn will not occur It is dynamic, while in the radial part of fixed ring 41 at least provided with a third threaded hole 420, which turns positioned at center The top of the U-shaped notch 27 of axis 2, a fastening screw 421 are screw-coupled in third threaded hole 420, the end of fastening screw 421 Across U-shaped notch 27 and the mutual contact of cross bar 7, it is fixed on fixed ring 41 and central rotating shaft 2 on cross bar 7.

As shown in figure 4, for beauty, it is preferable that the outer diameter of the sleeve 11 is in cone mouth shape；Simultaneously just for user In rotating handle 1, several anti-skidding raised lines 13 are equipped in the outer surface of sleeve 11, or preferably inwardly solid in the lateral wall of sleeve 11 If a power assisting device, the power assisting device is thumb button 14, by rotating thumb button 14, then drives the fortune of bracing wire 9 It is dynamic；As shown in figure 5, further, the power assisting device may be force hand handle 15, which extends internally always Rod segment 151, the end of straight bar section 151 has the grip portion 152 of arc transition, by the lever of grip portion 152 and sleeve 11 Effect, so that more labor-saving in rotating handle 1.

As shown in Figure 8, it is preferable that central rotating shaft 2 is respectively equipped with two positioning rings along the outer diameter end of 22 two sides in gear, is located at 1 side of handle is the first positioning ring 23 and the second positioning ring 24, positioned at being third positioning ring 25 and the 4th around 3 side of becket bridle Positioning ring 26；The internal chamber wall face contact of first positioning ring 23 and the second positioning ring 24 and sleeve 11, the third positioning Ring 25 and the 4th positioning ring 26 and the internal chamber wall face contact around becket bridle 3.Using the first positioning ring 23 and the second positioning ring 24 and hand The inner cavity wall surface of handle 1 positions, and is positioned, is replaced with the inner cavity wall surface around becket bridle 3 using third positioning ring 25 and the 4th positioning ring 26 The entire outer end face of central rotating shaft 2 and handle 1 and the internal chamber wall face contact around becket bridle 3, the utility model design reduce center The machining accuracy of the entire outer end face of shaft 2, handle 1 and the inner cavity wall surface around becket bridle 3, reduces the manufacturing cost of producer.

Further, be equipped with the hook part 28 that upwarps in the initial and end end of central rotating shaft 2, the hook part 28 respectively with fixation The outer end face of ring 41 and handle 1 abuts each other contact, plays the role of limit to fixed ring 41 and handle 1.

It is wrapped in 9 excessive movement of bracing wire in the annular groove 32 of becket bridle 3 in order to prevent, it is preferable that central rotating shaft 2 Gear is located at along 22 is equipped at intervals with two limited blocks 29 on the end face of 3 side of becket bridle；Fixture block 34, card are equipped with around the inner wall of becket bridle 3 Block 34 is arranged between two limited blocks 29, it is ensured that is rotated between two limited blocks 29 of central rotating shaft 2 around becket bridle 3.

Preferably, in order to make to be not exposed to outside around becket bridle 3 and bracing wire guiding mechanism 4, extend and be oriented to around becket bridle 3 and bracing wire The service life of mechanism 4 is covering upper decorative shell 6 around becket bridle 3 and 4 periphery of bracing wire guiding mechanism, which is equipped with upper casing The axial end of body 64 and lower case 65, decorative shell 6 has the fourth hole 61 opposite with 2 through hole 21 of central rotating shaft, wiring In ring 3 and the installation of bracing wire guiding mechanism 4 and fourth hole 61；In order to which user more clearly understands the angle of rotating handle 1, The outer surface of decorative shell 6 along handle 1 rotating path be equipped with graduated scale 62, the handle 1 with graduated scale 62 Opposite position is equipped with a cue mark 63.

The utility model embodiment 1 compared with prior art, the beneficial effects are as follows: central rotating shaft 2 and bracing wire guiding Mechanism 4 is fixed on 7 on cross bar, handle 1 and is set in the gear of central rotating shaft 2 along 22 two sides around becket bridle 3, and bracing wire 9, which passes through, draws The connected pathways 43 of terminal 42, and be wrapped in the annular groove 32 of becket bridle 3, by rotating handle 1, then drive around becket bridle The variation of any spacing between fixed point and the connected pathways 43 of stem 42, well solves in 3 annular groove 32 In the prior art the distance between operation handle 1 and cross bar 7 it is larger so that user is when holding operation handle with a firm grip need to apply compared with Big power is just able to maintain the state of holding with a firm grip of operation handle 1, is not suitable for the elderly and uses, and the utility model provides a kind of operation letter Just and it is more labor-saving mention line apparatus, it is user-friendly；Avoid to mention (the control hand of gas spring of handle 1 of line apparatus 100 simultaneously Handle) as the brake lever use of wheelchair.

Such as second embodiment that Figure 10 to Figure 16 is the utility model, one kind that the utility model discloses mentions line apparatus 100A, this mentions the handle 1 of line apparatus 100A, central rotating shaft 2, continues to use mentioning for first embodiment around becket bridle 3, bracing wire guiding mechanism 4 Line apparatus 100, but it further includes a bracing wire locked mechanism 5, and which includes key 51, detent ring 52, torsional spring 53, the first spacer pin 54 and fixed pin 55；The detent ring 52 is located at fixed ring 41 and between becket bridle 3, the detent ring 52 tool There is arc-shaped swing arm 521, the affixed key 51 in the end of the swing arm 521, inner arc face is equipped with stuck point 522, while detent ring 52 end is equipped with third through-hole 523, detent ring 52 is placed on pin shaft 416 by the third through-hole 523, and third through-hole 523 outer diameter extends outwardly with the first salient point 524；The radial part of pin shaft 416 is arranged in the fixed pin 55；Described One spacer pin 54 is arranged in around becket bridle 3 towards on the end face of fixed ring 41, which is located at the inside circle of swing arm 521 Cambered surface, and can mutually be engaged by clamping with the stuck point 522 of swing arm 521；One torsional spring, 53 one end is connected with fixed pin 55, the other end with First salient point 524 is connected, and torsional spring 53 applies the elastic force of inside side oscillation to detent ring 52, it is ensured that the swing arm 521 of detent ring 52 Inner arc face is abutted each other with the first spacer pin 54 always.

Further, which further includes the second spacer pin 56, and second spacer pin 56 is arranged second Fixing seat 413 is towards on the end face around becket bridle 3, and the outer diameter of third through-hole 523 extends outwardly with the second salient point 525, this second Spacer pin 56 can abut each other with the second salient point 525, the radian swung out for limiting detent ring 52.

Further, the stuck point 522 of the swing arm 521 has circular arc guide surface in the end towards the first spacer pin 54 5221, other end has the recess portion 5222 of back-off, slides into back-off through circular arc guide surface 5221 convenient for the first spacer pin 54 Recess portion 5222.

For certain accommodating space of amortizing out to detent ring 52, it can be freely swung, it is preferable that around becket bridle 3 Support ring 57 is also had additional between fixed ring 41, which can be used wear-resistant material --- nylon.

It is linked the beneficial effects are as follows: being driven by rotating handle 1 around becket bridle 3 using above-mentioned design, then drives and draw Bracing wire 9 in terminal 42 is up moved, when the inside of the first spacer pin 54 slide-in stuck point 522 around becket bridle 3, and can be with stuck point The recess portion 5222 of 522 back-offs having is against even if palm is completely disengaged with handle 1 at this time, since bracing wire 9 has downwards always Tractive force effect, drive on becket bridle 3 54 opposite direction of the first spacer pin rotation, finally with the recess portion 5222 of swing arm 521 Abut each other, can not also be resetted around becket bridle 3, user can liberate both hands go processing other business, it is to be adjusted in place when, use hand Key 51 to be stirred, the swing arm 521 of detent ring 52 is stirred outward, the stuck point and the first spacer pin 54 in swing arm at this time 521 are detached from, Bracing wire 9 by downward tractive force drive rapidly around becket bridle 3 reset, to hand unclamp key 51, around becket bridle 3 torsional spring 53 drive Lower inwardly swing resets.

As shown in Figure 18 and Figure 19, the invention also discloses a kind of wheelchair 200, which includes at least a tool There are handrail, self-locking gas spring 8, bracing wire 9 and one kind disclosed by the utility model of cross bar 7 to mention line apparatus 100,100A, it should be certainly Locking-type gas spring 8 is mounted in the rack of wheelchair 200, the rail segment 7 for mentioning line apparatus 100 and being set in handrail；Described 9 one end of bracing wire has a fixing head 91, is placed in the locating slot 33 of becket bridle 3 by the fixing head 91, and bracing wire 9 is wound In in the annular groove 32 around becket bridle 3, the other end of bracing wire 9 pass through the connected pathways 43 of stem 42 and finally with self-locking gas The telescopic rod regulating mechanism 110 of spring 8 is connected, and by rotating handle 1, then drives the bracing wire 9 that winds in becket bridle 3 toward separate The direction of telescopic rod regulating mechanism 110 moves, and realizes the control to self-locking gas spring 8, using this wheelchair for mentioning line apparatus, Easily self-locking gas spring 8 can be adjusted, it is user-friendly.

The product form and style of above-described embodiment and diagram and non-limiting the utility model, any technical field The appropriate variation and modification that those of ordinary skill does it, all should be regarded as the patent category for not departing from the utility model.

Claims (17)

1. one kind mentions line apparatus (100), it is characterised in that: it includes handle (1), central rotating shaft (2), leads around becket bridle (3), bracing wire To mechanism (4)；

One handle (1) has a sleeve (11) extended along its length, and sleeve (11) inner cavity is hollow, and the sleeve (11) There are the first positioning region (12) towards on the end face of becket bridle (3)；

One central rotating shaft (2), the central rotating shaft (2) have an axial through hole (21), and middle part extends radially outwardly a gear edge (22)；

One around becket bridle (3), should be around becket bridle (3) towards having the second positioning region (31) on the end face of sleeve (11), and should be around becket bridle (3) radial position is equipped with an annular groove (32), and one is equipped on annular groove (32) for fixing the locating slot of bracing wire (9) (33)；

One bracing wire guiding mechanism (4), it includes a fixed ring (41) for being fixed at cross bar, which is installed with Stem (42), the stem (42) is equipped with the connected pathways (43) for allowing bracing wire (9) to pass through, the connected pathways (43) and around becket bridle (3) annular groove (32) is opposite；

The central rotating shaft (2) is fixedly set on cross bar, handle (1) and around becket bridle (3) be set in central rotating shaft (2) gear edge (22) two sides, and the first positioning region (12) cooperation mutually nested with the second positioning region (31)；The bracing wire guiding mechanism (4) Be arranged in the outside around becket bridle (3), wherein fixed ring (41) is fixed on cross bar, the connected pathways (43) of stem (42) with around The annular groove (32) of becket bridle (3) is opposite；By rotating handle (1), then drives and appoint in the annular groove (32) of becket bridle (3) The change of spacing between meaning fixed point and the connected pathways (43) of stem (42).

2. one kind as described in claim 1 mentions line apparatus (100), it is characterised in that: sleeve (11) outer diameter is in cone mouth Shape, and its outer surface has several anti-skidding raised lines (13)；The inside fixed power assisting device of the lateral wall of sleeve (11) simultaneously, it is described Power assisting device is thumb button (14) or is force hand handle (15), which extends internally with a straight bar section (151), the end of straight bar section (151) has the grip portion (152) of arc transition.

3. one kind as described in claim 1 mentions line apparatus (100), it is characterised in that: the central rotating shaft (2) is on gear edge (22) the outer diameter end of two sides is respectively equipped with two positioning rings, and being located at handle (1) side is that the first positioning ring (23) and second are fixed Position ring (24), being located at around becket bridle (3) side is third positioning ring (25) and the 4th positioning ring (26)；First positioning ring (23) and the internal chamber wall face contact of the second positioning ring (24) and sleeve (11), the third positioning ring (25) and the 4th positioning ring (26) with around becket bridle (3) internal chamber wall face contact.

4. one kind as described in claim 1 mentions line apparatus (100), it is characterised in that: described central rotating shaft (2) first section, tail Section all has several U-shaped notches (27) along its length, and its initial and end end has the hook part (28) upwarped.

5. one kind as described in claim 1 mentions line apparatus (100), it is characterised in that: the gear edge of the central rotating shaft (2) (22) it is located at and is equipped at intervals with two limited blocks (29) on the end face of becket bridle (3) side；The inner wall around becket bridle (3) is equipped with card Block (34), the fixture block (34) are arranged between two limited blocks (29), it is ensured that around becket bridle (3) the two of central rotating shaft (2) It is rotated between a limited block (29).

6. one kind as described in claim 1 mentions line apparatus (100), it is characterised in that: be equipped with first step in the handle (1) Face (16), by the gear of the First terrace (16) and central rotating shaft (2) along (22) clearance fit, and first positioning region It (12) is wave shape groove；It is described to be equipped with second step face (35) in becket bridle (3), by the second step face (35) and center The gear of shaft (2) is along (22) clearance fit, and second positioning region (31) is waveform flange；First positioning region (12) cooperation mutually nested with the second positioning region (31).

7. one kind as described in claim 1 mentions line apparatus (100), it is characterised in that: the fixed ring (41) has one to lack Mouth (411), the two sides of the notch (411) and the lower part for being located at fixed ring (41) are respectively equipped with the first fixing seat (412) and second Fixing seat (413)；First fixing seat (412) and the second fixing seat (413) is equipped with perforative first through hole (414), The second through-hole (415) are equipped in the axial end of the second fixing seat (413) simultaneously；One pin shaft (416) is placed on second through-hole (415) in, one end of the pin shaft (416) is equipped with the first threaded hole (418), first threaded hole (418) and first through hole (414) Relatively, a bolt (417) sequentially passes through first through hole (414) and is spirally connected fixation with the first threaded hole (418), to make pin shaft (416) it is fixed in the second through-hole (415) of the second fixing seat (413), the other end of the pin shaft (416) is equipped with along the vertical direction Perforative second threaded hole (419)；One stem (42) is spirally connected with the second threaded hole (419).

8. one kind as claimed in claim 7 mentions line apparatus (100), it is characterised in that: running through for the stem (42) is logical Road (43) setting is in the lower section at the annular groove of becket bridle (3) (32) tangent line.

9. one kind as claimed in claim 7 mentions line apparatus (100), it is characterised in that: the radial part of the fixed ring (41) At least provided with a third threaded hole (420), which is located at the upper of central rotating shaft (2) U-shaped notch (27) Portion, a fastening screw (421) are screw-coupled in third threaded hole (420), and the end of fastening screw (421) passes through U-shaped notch (27) with the mutual contact of cross bar.

10. one kind as claimed in claim 7 mentions line apparatus (100), it is characterised in that: described fixed ring (41) inner wall is equipped with Several limits raised line (422), the limit raised line (422) and central rotating shaft (2) U-shaped notch (27) relatively, and its width with it is U-shaped The equivalent width of notch (27).

11. one kind as described in claim 1 mentions line apparatus (100), it is characterised in that: the annular groove around becket bridle (3) (32) longitudinal cross-section is in cam face.

12. one kind as claimed in claim 7 mentions line apparatus (100), it is characterised in that: it further includes a bracing wire locked mechanism (5), which includes key (51), detent ring (52), torsional spring (53), the first spacer pin (54) and fixed pin (55)；The detent ring (52) is located at fixed ring (41) and between becket bridle (3), which has arc-shaped swing arm (521), the affixed key in end (51) of the swing arm (521), inner arc face is equipped with stuck point (522), while detent ring (52) End be equipped with third through-hole (523), detent ring (52) is placed on pin shaft (416) by the third through-hole (523), and the The outer diameter of three through-holes (523) extends outwardly with the first salient point (524)；The fixed pin (55) is arranged in pin shaft (416) Radial part；Described first spacer pin (54) setting is on end face of the becket bridle (3) towards fixed ring (41), first spacer pin (54) it is located at the inner arc face of swing arm (521), and can be mutually engaged by clamping with the stuck point (522) of swing arm (521)；One torsional spring (53) one end is connected with fixed pin (55), and the other end is connected with the first salient point (524), torsional spring (53) to detent ring (52) apply to The elastic force of interior side oscillation, it is ensured that swing arm (521) inner arc face of detent ring (52) is mutual with the first spacer pin (54) always Against.

13. one kind as claimed in claim 12 mentions line apparatus (100), it is characterised in that: the bracing wire locked mechanism (5) further includes Second spacer pin (56) and second spacer pin (56) are arranged in the second fixing seat (413) towards the end face around becket bridle (3) On, the outer diameter of third through-hole (523) extends outwardly the second salient point (525), which can be with the second salient point (525) It abuts each other, the radian swung out for limiting detent ring (52).

14. one kind as claimed in claim 12 mentions line apparatus (100), it is characterised in that: the stuck point of the swing arm (521) (522) there are circular arc guide surface (5221) in the end towards the first spacer pin (54), other end has the recess portion of back-off (5222)。

15. one kind as claimed in claim 12 mentions line apparatus (100), it is characterised in that: around becket bridle (3) and fixed ring (41) Between also have additional support ring (57).

16. one kind as described in claim 1 mentions line apparatus (100), it is characterised in that: it further includes a decorative shell (6), should Decorative shell (6) will be coated around becket bridle (3) and bracing wire guiding mechanism (4), and axial end has to be run through with central rotating shaft (2) The opposite fourth hole (61) in hole (21) is equipped with graduated scale along the rotating path of handle (1) in the outer surface of decorative shell (6) Ruler (62), the handle (1) are equipped with a cue mark (63) in the position opposite with graduated scale (62).

17. a kind of wheelchair (200), it is characterised in that: the wheelchair (200) includes at least handrail, a self-locking gas with cross bar Spring (8), bracing wire (9) and one kind as described in claim any one of 1-16 mention line apparatus (100), the self-locking gas spring (8) It is mounted in the rack (10) of wheelchair (200), the rail segment (7) for mentioning line apparatus (100) and being set in handrail；The drawing Line (9) one end has a fixing head (91), is placed in the locating slot (33) of becket bridle (3) by the fixing head (91), and draws Line (9) is wound in the annular groove (32) of becket bridle (3), and the other end of bracing wire (9) passes through the connected pathways of stem (42) (43) and finally it is connected with the telescopic rod regulating mechanism (110) of self-locking gas spring (8), by rotating handle (1), then drives The bracing wire (9) wound in becket bridle (3) is moved toward the direction far from telescopic rod regulating mechanism (110), is realized to self-locking gas bullet The control of spring (8).