CN207785385U - A kind of wheel provision for disengagement with disc brake wheelchair - Google Patents

Abstract

The utility model discloses a kind of wheel provisions for disengagement with disc brake wheelchair, the pairs of wheel is mounted on the both sides of vehicle frame by axis respectively, and it is locked by steel ball locking mechanism, the brake disc is respectively and fixedly installed on pairs of wheel, it is respectively arranged with hand-push loop on pairs of wheel, it is respectively arranged with limited block in the both sides of the vehicle frame, the cover for seat is nested on vehicle frame, pairs of locking hole is offered in the cover for seat, the check lock lever is set in the pairs of locking hole, cover for seat lock is set on vehicle frame, the brake callipers are fixedly mounted in cover for seat, the brake callipers are corresponding with brake disc, limiting plate corresponding with limited block is additionally provided in the cover for seat, the utility model has the advantages that：It is very convenient to use, detachableization of wheel is realized, its space occupied can be greatly reduced so that wheelchair carries transfer and gets up to become very convenient.

Description

A kind of wheel provision for disengagement with disc brake wheelchair

Technical field

The utility model is related to the technical fields of wheelchair, more particularly to the technical field of wheelchair driving system.

Background technology

Wheelchair is to aim at one kind that limbs the disabled or people with mobility problems provide to ride instead of walk and rehabilitation tool, limbs the disabled Or people with mobility problems can carry out physical exercise by wheelchair or participate in social activities.And there are following several for wheelchair common at present Point is insufficient：First, for convenience of transfer is carried, common wheelchair is generally folding at present, but its wheel can not be into accommodating It rapidly dismantles so that wheelchair the space occupied is larger, to bring very big inconvenience to the carrying of wheelchair transfer；Second is that at present The braking mechanism of common wheelchair is usually to brake by the hand-push loop being arranged on wheel chair wheel, and use this brake Mechanism, the user of wheelchair need to control hand-push loop with hand, not only need to expend larger strength, but also braking effect Difference can even damage the hand of user sometimes.

Utility model content

The purpose of this utility model is exactly to provide a kind of wheel in order to solve above-mentioned deficiency to be dismantled, and operation It is very convenient quick, it is shifted quite convenient for carrying, the braking effect of braking mechanism is good, the vehicle easy to use with disc brake wheelchair Take turns provision for disengagement.

In order to solve the above-mentioned technical problem technical solution that the utility model uses is as follows：

A kind of wheel provision for disengagement with disc brake wheelchair, it includes wheelchair body, and the wheelchair body includes vehicle Frame, it further include have pairs of wheel, axis, steel ball locking mechanism, brake disc, brake callipers, brake control mechanism, cover for seat and Check lock lever, the pairs of wheel are mounted on the both sides of vehicle frame by axis respectively, and are locked by steel ball locking mechanism Fixed, the brake disc is respectively and fixedly installed on pairs of wheel, hand-push loop is respectively arranged on pairs of wheel, described The both sides of vehicle frame are respectively arranged with limited block, and the cover for seat is nested on vehicle frame, and pairs of lock is offered in the cover for seat Tieholen, the check lock lever are set in the pairs of locking hole, cover for seat lock are set on vehicle frame, the brake callipers are fixedly mounted Present to put on, the brake callipers are corresponding with brake disc, and limiting plate corresponding with limited block is additionally provided in the cover for seat, The brake control mechanism is mounted on vehicle frame, which is connected by brake cable with brake callipers, the brake Vehicle clamp are fixedly mounted on by bearing in cover for seat, and the limited block is L-shaped.

It further includes having bearing, is respectively arranged with mounting base in the both sides of the vehicle frame, is offered in the mounting base Through-hole, the wheel middle part are provided with bearing bore, hole are offered on the side wall of the bearing bore side, the axis is worn from hole Cross, front is plugged on by bearing in bearing bore, and the rear portion of axis offers latch well, the steel ball locking mechanism mainly by Locking level, steel ball and spring are constituted, and the locking level activity is plugged in the latch well of axis, is opened up on the peripheral wall of latch well There are steel bead groove, the steel ball to offer wedge corresponding with steel ball on axis in activity is circumferentially arranged in steel bead groove Shape slot offers annular groove at locking level rear portion, and the spring is nested on locking level, and is located at annular groove and latch well It is interior, annular spacing groove is offered on the inner wall of the installation block hole, annular corresponding with mounting base is provided on axis The rear portion of limiting plate, the axis is plugged in the through-hole of mounting base, and the annular stop plate of axis is against the mounting base, described The outside portion holding of steel ball sets intermediate axle lock in the through-hole of mounting base in the annular spacing groove of through-hole wall.

The bearing is constituted by 2, offers first annular card slot on the axis in the bearing bore, bearing it is interior Holding is enclosed in the first annular card slot, the second annular slot, the outer ring holding of bearing are offered on the internal perisporium of bearing bore In second annular slot, the rear end of locking level is provided with ring baffle, the steel ball of the steel ball locking mechanism is 3 ~ 6 A and circumferentially uniformly distributed along latch well side wall, the steel bead groove on the peripheral wall of the latch well is in taper corresponding with steel ball.

The utility model is using the attainable advantageous effect of above-mentioned technical solution institute：It is stopped by being installed on wheel Hull, and manipulate brake callipers clamping brake disc using brake control mechanism and braked, it is directly used so as to avoid user The hand-push loop of manual operating wheel is braked, very convenient to use, moreover, disc type brake disc has perfect heat-dissipating, resists Heat fade ability is strong, does not avoid many advantages, such as mud pollution, is very suitable for the brake gear as wheelchair；Wheel is pacified by axis It is locked in the through-hole of mounting base, and by steel ball locking mechanism, when needing to dismantle wheel, is only needed outside The ring baffle for pulling locking level, makes the steel ball of steel ball locking mechanism retract, then unclamps check lock lever, and remove cover for seat, will stop Vehicle clamp are detached with brake disc, you can wheel unloaded from vehicle frame, it is easy to operate quick, and to realize wheel Detachableization, its space occupied can be greatly reduced so that wheelchair carry transfer get up to become very convenient.

Description of the drawings

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is that wheel is mounted on the right side structural representation on vehicle frame in Fig. 1；

Fig. 3 is the structural schematic diagram of steel ball locking mechanism；

Fig. 4 is the structural schematic diagram of axis steel bead groove；

Fig. 5 is the structural schematic diagram after wheel is detached with vehicle frame；

Fig. 6 is the A-A schematic cross-sectional views of Fig. 5；

Fig. 7 is the structural schematic diagram that brake disc is mounted on wheel.

Specific implementation mode

As shown in Figure 1, a kind of wheel provision for disengagement with disc brake wheelchair, it includes wheelchair body, the wheelchair sheet Body includes vehicle frame 1, it further includes having pairs of wheel 2, axis 3, bearing 4, steel ball locking mechanism, brake disc 5, brake callipers 6, brake control mechanism 7, cover for seat 8 and check lock lever 9, as shown in Figure 7, the brake disc 5 is fixedly mounted on by bolt 31 respectively On wheel 2, hand-push loop 32 is respectively arranged on the pairs of wheel 2.Shown in Fig. 2 and Fig. 3, the two of the vehicle frame 1 Side is respectively arranged with mounting base 10, and through-hole 11 is offered in the mounting base 10, and 2 middle part of the wheel is provided with bearing bore 12, hole 13 is offered on the side wall of 12 side of bearing bore, the axis 3 is passed through from hole 13, and front is planted by bearing 4 In the bearing bore 12, the bearing 4 is constituted by 2, and first annular card is offered on the axis 3 positioned in bearing bore 12 The inner ring holding of slot 28, bearing 4 offers the second annular snap in the first annular card slot 28 on the internal perisporium of bearing bore 12 Slot 29, the outer ring holding of bearing 4 is in second annular slot 29.The rear portion of axis 3 offers latch well 14, the steel ball lock Determine mechanism to be mainly made of locking level 15, steel ball 16 and spring 17,15 activity of the locking level is plugged on the latch well 14 of axis 3 It is interior, as shown in Figure 4, steel bead groove 18 is offered on the peripheral wall of latch well 14, the steel ball 16 is in be circumferentially arranged activity to be embedded in In steel bead groove 18, which is 3 ~ 6, and circumferentially uniformly distributed along 14 side wall of latch well, the steel on the peripheral wall of the latch well 14 Pearl slot 18 is in taper corresponding with steel ball 16 so that steel ball 16 has to the surplus moved inside latch well 14, while can be right Steel ball 16 is limited well.Wedge groove 19 corresponding with steel ball 16 is offered on axis 3, is opened at 15 rear portion of locking level Equipped with annular groove 20, the spring 17 is nested on locking level 15, and is located in annular groove 20 and latch well 14, the peace It fills and offers annular spacing groove 21 on the inner wall of 10 through-hole 11 of seat, annular corresponding with mounting base 10 is provided on axis 3 The rear portion of limiting plate 22, the axis 3 is plugged in the through-hole 11 of mounting base 10, and the annular stop plate 22 of axis 3 is resisted against peace It fills on seat 10, under the elastic force effect of spring 17, by locking level 15 to the inside pushing tow of latch well 14, and passes through wedge groove 19 Inclined-plane limits 16 outside pushing tow of steel ball steel ball 16 well, makes the outside portion holding of steel ball 16 in 11 inner wall of through-hole Annular spacing groove 21 in, by axis 3 lock set in the through-hole 11 of mounting base 10, the steel ball locking mechanism have self-locking function, When external force acts on the outside portion of steel ball 16, steel ball 16 will not be made to retract.The rear end of locking level 15 is provided with annular gear Plate 30, when needing to take out axis 3 out of through-hole 11, only need to pull out ring baffle 30 makes wedge groove 19 be moved to steel ball 16 lower sections, make steel ball 16 fall, you can take out axis 3 out of through-hole 11, to unload wheel 2 from vehicle frame 1.By Fig. 5 Shown in Fig. 6, it is respectively arranged with limited block 23 in the both sides of the vehicle frame 1, the cover for seat 8 is nested on vehicle frame 1, at this Pairs of locking hole 24 is offered in cover for seat 8, the check lock lever 9 is set in the pairs of locking hole 24, and the lock of cover for seat 8 is set in vehicle On frame 1, which is Quick release, which can be directly from being commercially available on the market, and after unclamping check lock lever 9, cover for seat 8 can It is slided on vehicle frame 1.The brake callipers 6 are fixedly mounted on by bearing 33 in cover for seat 8, the brake callipers 6 and brake Disk 5 is corresponding, and limiting plate 25 corresponding with limited block 23 is additionally provided in the cover for seat 8, and limited block 23 can be arranged in L Type so that limiting plate 25 can just holding on L-shaped limited block 23, can effectively prevent cover for seat 8 be axially moveable or Rotation, to which the position relationship between brake disc 5 and brake callipers 6 is accurately positioned.It can be in the front fitting machine of vehicle frame 1 First 27, wheelchair is arranged to three-wheel wheelchair, handle 34 is provided on head 27, the brake control mechanism 7 is fixedly mounted on On the handle 34 of head 27, the brake control mechanism 7 is connected by brake cable 26 with brake callipers 6, above-mentioned brake callipers 6, brake disc 5 and brake cable can be directly from being commercially available on the market, and handle common on the market can be selected in brake control mechanism 7 Formula brake control mechanism drives brake callipers 6 to act, by brake disc by manipulating brake control mechanism 7, and by brake cable 26 5 clampings are braked.When needing to unload wheel 2 from vehicle frame 1, first check lock lever 9 is unclamped, and cover for seat 8 is removed, makes brake Vehicle clamp 6 are detached from from brake disc 5, then pull out ring baffle 30, and the steel ball 16 of steel ball locking mechanism is made to retract, will in The abjection out of mounting base 10 through-hole 11 of axis 3, you can unload wheel 2.

Claims (3)

1. a kind of wheel provision for disengagement with disc brake wheelchair, it includes wheelchair body, and the wheelchair body includes vehicle frame, It is characterized in that：It further includes having pairs of wheel, axis, steel ball locking mechanism, brake disc, brake callipers, brake control machine Structure, cover for seat and check lock lever, the pairs of wheel are mounted on the both sides of vehicle frame by axis respectively, and lock machine by steel ball Structure is locked, and the brake disc is respectively and fixedly installed on pairs of wheel, and hand push is respectively arranged on pairs of wheel Circle, is respectively arranged with limited block, the cover for seat is nested on vehicle frame, is offered in the cover for seat in the both sides of the vehicle frame Pairs of locking hole, the check lock lever are set in the pairs of locking hole, cover for seat lock are set on vehicle frame, the brake callipers It is fixedly mounted in cover for seat, the brake callipers are corresponding with brake disc, are additionally provided in the cover for seat corresponding with limited block Limiting plate, the brake control mechanism be mounted on vehicle frame on, which is connected by brake cable with brake callipers It connects, the brake callipers are fixedly mounted on by bearing in cover for seat, and the limited block is L-shaped.

2. a kind of wheel provision for disengagement with disc brake wheelchair according to claim 1, it is characterised in that：It further includes having Bearing is respectively arranged with mounting base in the both sides of the vehicle frame, and through-hole is offered in the mounting base, is set in the middle part of the wheel It is equipped with bearing bore, hole is offered on the side wall of the bearing bore side, the axis is passed through from hole, and front is planted by bearing In bearing bore, the rear portion of axis offers latch well, and the steel ball locking mechanism is mainly by locking level, steel ball and spring structure At the locking level activity is plugged in the latch well of axis, and steel bead groove is offered on the peripheral wall of latch well, and the steel ball is in Activity is circumferentially arranged in steel bead groove, wedge groove corresponding with steel ball is offered on axis, is opened at locking level rear portion Equipped with annular groove, the spring is nested on locking level, and is located in annular groove and latch well, the installation block hole Annular spacing groove is offered on inner wall, is provided with annular stop plate corresponding with mounting base on axis, after the axis Portion is plugged in the through-hole of mounting base, and against the mounting base, the outside portion holding of the steel ball exists the annular stop plate of axis In the annular spacing groove of through-hole wall, intermediate axle lock is set in the through-hole of mounting base.

3. a kind of wheel provision for disengagement with disc brake wheelchair according to claim 2, it is characterised in that：The bearing by 2 are constituted, and offer first annular card slot on the axis positioned in bearing bore, the inner ring holding of bearing is first annular at this In card slot, the second annular slot is offered on the internal perisporium of bearing bore, the outer ring holding of bearing in second annular slot, The rear end of locking level is provided with ring baffle, the steel ball of the steel ball locking mechanism is 3 ~ 6, and along latch well side wall week To being evenly distributed with, the steel bead groove on the peripheral wall of the latch well is in taper corresponding with steel ball.