CN107080633B - The releasing mechanism of wheelchair - Google Patents

Abstract

The invention discloses a kind of releasing mechanisms of wheelchair, the pedestal is fixedly mounted on the front end of holder, the pedestal is the hollow form of lower part opening, through-hole is offered on the top of the pedestal, the jam plate activity is plugged in the pedestal in hollow form, the top of the jam plate is provided with spring cavity, hole is offered on the top of the spring cavity, activity is plugged in spring cavity after the lower part of the locking pin sequentially passes through through-hole and hole, the bottom of the locking pin is provided with block, the second spring is nested on locking pin, and on spring cavity between inner wall and block, first spring is nested on locking pin, and between inner wall on outer wall on spring cavity and pedestal, it is an advantage of the invention that：The separation of head and wheelchair body can be realized, and easy to operate quick, simple in structure, manufacturing cost is low, easy to process, is hardly damaged.

Description

The releasing mechanism of wheelchair

Technical field

The present invention relates to the technical fields of wheelchair, more particularly to the technical field of three-wheel wheelchair.

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 and participate in social activities.Three-wheel wheelchair is one kind of wheelchair, it is Add a deflecting roller and head in the front of common wheelchair body so that traveling get up it is more steady quickly, while More convenient user's steer direction, and convenient for wheelchair is fabricated to electric wheelchair.And common its head of three-wheel wheelchair at present It is whole non-dismountable formula with wheelchair body, due to being additionally arranged head on the basis of common wheelchair body, so as to cause its body Product is larger, therefore very unsuitable wait indoors is moved in the smaller place in spaces, and great inconvenience is brought to user.

Invention content

The purpose of the present invention be exactly provided to solve above-mentioned deficiency it is a kind of locking securely, can be dismantled, and tear open Unload easy to operate, simple in structure, manufacturing cost is low, the releasing mechanism of non-damageable wheelchair.

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

The releasing mechanism of wheelchair, it includes head and wheelchair body, it further includes having pairs of locking mechanism, the machine It is provided with holder on head, the holder is U-shaped, and the locking mechanism is mainly by pedestal, locking pin, jam plate, control stick, the first bullet Spring, second spring, limited block and third spring are constituted, and the pedestal is fixedly mounted on end of the holder close to wheelchair body, institute The hollow form that pedestal is lower part opening is stated, offers through-hole on the top of the pedestal, the jam plate activity is plugged in hollow form Pedestal in, the top of the jam plate is provided with spring cavity, hole, the lower part of the locking pin are offered on the top of the spring cavity Activity is plugged in spring cavity after sequentially passing through through-hole and hole, and the bottom of the locking pin is provided with block, the second spring It is nested on locking pin, and on spring cavity between inner wall and block, first spring is nested on locking pin, and is located at On spring cavity on outer wall and pedestal between inner wall, the control stick is movably arranged on holder, and the locking pin is located on pedestal It is provided with jacking slot on the end of side, control stick has mandril close to the end set of wheelchair body, which is located in jacking slot, The limited block is movably arranged on holder, and the upper end of the third spring is fixedly mounted on the bottom of limited block, and described The lower end of three springs is fixedly mounted on holder, limiting slot corresponding with control stick is offered on limited block, described The front of pedestal is provided with latch hook, and pin corresponding with the latch hook is provided in the wheelchair body, in wheelchair body also It is provided with card slot corresponding with jam plate, the head in card slot, and passes through latch hook hook by the jam plate holding of locking mechanism It hangs on pin, the first pairs of mounting plate is provided on the holder, offer respectively on pairs of first mounting plate One axis hole is provided with pairs of first rotating shaft on the control stick, and control stick is set in by the pairs of first rotating shaft activity In first axis hole, it is additionally provided with the second pairs of mounting plate on holder, offers respectively on pairs of second mounting plate Two axis holes, the second pairs of shaft is provided on the limited block, and limited block is set in by the second pairs of shaft activity In second axis hole.

The present invention is using the attainable advantageous effect of above-mentioned technical solution institute：The jam plate that head passes through locking mechanism Holding is hooked in card slot, and by latch hook on pin, is set together to securely lock head and wheelchair body.Work as needs When head is detached with wheelchair body, only control stick need to be rotated down and by end holding thereafter limited block limiting slot Interior, then lifting head makes latch hook be exited from pin, and jam plate is made to be exited out of card slot, you can realizes head and wheelchair body Separation, and easy to operate quick, user can as needed at any time unload head from wheelchair body, significantly facilitate The go off daily of limbs the disabled or people with mobility problems.The releasing mechanism of the detachable wheelchair is simple in structure, is manufactured into This is low, easy to process, is hardly damaged.

Description of the drawings

Fig. 1 is the structural diagram of the present invention；

Fig. 2 is the structural schematic diagram of locking mechanism；

Fig. 3 is the overlooking structure diagram of locking mechanism；

Fig. 4 is the schematic cross-sectional view of locking mechanism；

Fig. 5 is the structural schematic diagram after the jam plate of locking mechanism is packed up；

Fig. 6 is the structural schematic diagram after wheelchair body is detached with head.

Specific implementation mode

As shown in Figure 1, the releasing mechanism of wheelchair, it includes head 1 and wheelchair body 2, it further includes having pairs of lock Determine mechanism, holder 3 is provided on the head 1, as shown in Figure 3, the holder 3 is U-shaped, shown in Fig. 2 and Fig. 4, the locking Mechanism is mainly by pedestal 4, locking pin 5, jam plate 13, control stick 6, the first spring 7, limited block 8, second spring 12 and third spring 9 are constituted, and the pedestal 4 is fixedly mounted on holder 3 close to the end of wheelchair body.The pedestal 4 is the hollow form of lower part opening, Through-hole 10 is offered on the top of the pedestal 4,13 activity of the jam plate is plugged in the pedestal 4 in hollow form, in the jam plate 13 Top be provided with spring cavity 11, offer hole 24 on the top of the spring cavity 11, the lower part of the locking pin 5 sequentially passes through logical Activity is plugged in spring cavity 11 behind hole 10 and hole 24, and the bottom of the locking pin 5 is provided with block 25, the second spring 12 It is nested on locking pin 5, and on spring cavity 11 between inner wall and block 25, first spring 7 is nested in locking pin 5 On, and between inner wall on outer wall on spring cavity 11 and pedestal 4, the elastic force of second spring 12 is more than the first spring 7.The branch It is provided with the first pairs of mounting plate 18 on frame 3, the first axis hole, the behaviour are offered respectively on pairs of first mounting plate 18 Pairs of first rotating shaft 19 is provided on vertical pole 6, control stick 6 is set in the first axis hole by pairs of 19 activity of first rotating shaft Interior, control stick 6 can be rotated around the axis of first rotating shaft 19.The locking pin 5, which is located on the end of 4 top of pedestal, to be provided with Slot 22 is jacked, control stick 6 has mandril 23 close to the end set of wheelchair body, which is located in jacking slot 22.When to When lower rotation control stick 6, mandril 23 can be made to tilt, to jack up locking pin 5, jam plate 13 be made to overcome the pressure of the first spring 7 It moves up in income pedestal 4.The second pairs of mounting plate 20 is additionally provided on holder 3, in pairs of second mounting plate 20 It is upper to offer the second axis hole respectively, it is provided with the second pairs of shaft 21 on the limited block 8, limited block 8 is by this pairs of Second shaft, 21 activity is set in the second axis hole, and limited block 8 can be rotated around the axis of the second shaft 21.The third bullet The upper end of spring 9 is fixedly mounted on the bottom of limited block 8, and the lower end of the third spring 9 is fixedly mounted on holder 3. Limiting slot 14 corresponding with control stick 6 is offered on limited block 8, as shown in Figure 5, the rear end of control stick 6 is caught in the limit After in the slot 14 of position, jam plate 13 may make to rest in pedestal 4, pulling limited block 8 backward can be such that control stick 6 is moved back out of limiting slot 14 Go out, limited block 8 can be made to be resetted by third spring 9.The front of the pedestal 4 is provided with latch hook 15, as shown in Figure 6, It is provided with pin 16 corresponding with the latch hook 15 in the wheelchair body 2, is additionally provided in wheelchair body 2 and 13 phase of jam plate Corresponding card slot 17, the card slot 17 are located at 16 lower section of pin.As shown in Figure 1, the head 1 is blocked by the jam plate 13 of locking mechanism It sets in card slot 17, and is hooked on pin 16 by latch hook 15, set together to securely lock head 1 and wheelchair body 2. When needing to detach head 1 with wheelchair body 2, only control stick 6 need to be rotated down and will end holding thereafter in limited block 8 Limiting slot 14 in, at this point, between jam plate 13 and the madial wall of card slot 17 there are frictional force and can not the abjection out of card slot 17, locking After pin 5 rises, second spring 12 is compressed, and the first spring 7 does not stress, and so that latch hook 15 is exited from pin 16 when lifting head 1 While, the frictional force between jam plate 13 and card slot 17 disappears, and second spring 12 stretches, and the first spring 7 is by second spring 12 Pressure and shrink, bounced back in pedestal 4 to make jam plate 13 move up, jam plate 13 is exited out of card slot 17, you can by head 1 It is detached with wheelchair body 2.

Claims (1)

1. the releasing mechanism of wheelchair, it includes head and wheelchair body, it is characterised in that：It further includes having pairs of locking machine Structure is provided with holder on the head, and the holder is U-shaped, and the locking mechanism is mainly by pedestal, locking pin, jam plate, manipulation Bar, the first spring, second spring, limited block and third spring are constituted, and the pedestal is fixedly mounted on holder close to wheelchair body End, the pedestal be lower part opening hollow form, offer through-hole on the top of the pedestal, the jam plate activity is plugged on In in the pedestal of hollow form, the top of the jam plate is provided with spring cavity, hole, the locking are offered on the top of the spring cavity Activity is plugged in spring cavity after the lower part of pin sequentially passes through through-hole and hole, and the bottom of the locking pin is provided with block, described Second spring is nested on locking pin, and on spring cavity between inner wall and block, first spring is nested in locking pin On, and between inner wall on outer wall on spring cavity and pedestal, the control stick is movably arranged on holder, the locking pins position It is provided with jacking slot on end above the pedestal, control stick has mandril close to the end set of wheelchair body, which is located at It jacks in slot, the limited block is movably arranged on holder, and the upper end of the third spring is fixedly mounted on the bottom of limited block The lower end in portion, the third spring is fixedly mounted on holder, and limit corresponding with control stick is offered on limited block Slot is provided with latch hook in the front of the pedestal, pin corresponding with the latch hook is provided in the wheelchair body, in wheelchair It is additionally provided with card slot corresponding with jam plate on ontology, the head in card slot, and is led to by the jam plate holding of locking mechanism It crosses latch hook to be hooked on pin, the first pairs of mounting plate is provided on the holder, on pairs of first mounting plate respectively The first axis hole is offered, pairs of first rotating shaft is provided on the control stick, control stick is lived by the pairs of first rotating shaft It is dynamic to be set in the first axis hole, the second pairs of mounting plate is additionally provided on holder, on pairs of second mounting plate respectively The second axis hole is offered, the second pairs of shaft is provided on the limited block, limited block is lived by the second pairs of shaft It is dynamic to be set in the second axis hole.