CN201469546U

CN201469546U - Wheelchair brake control mechanism

Info

Publication number: CN201469546U
Application number: CN2009201857223U
Authority: CN
Inventors: 李茂顺
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-07-02
Filing date: 2009-07-02
Publication date: 2010-05-19
Anticipated expiration: 2019-07-02

Abstract

The utility model discloses a wheelchair brake control mechanism, which comprises a brake fixed seat, and a brake handle and a brake locking device, which are installed on the brake fixed seat; the brake handle is pivoted on the brake fixed seat, and a torsion spring is installed at the pivoting place between the brake handle and the brake fixed seat; the brake locking device comprises a slide block, the slide block is connected with a control rod, and the control rod can be shifted manually to drive the slide block to move between two working positions; when the brake handle is arranged at the emergency brake position and the slide block is arranged at the first working position, the slide block is pushed against the brake handle, so the brake handle cannot be returned; and when the slide block is arranged at the second working position, the slide block can be pushed into a concave part which is arranged on the brake handle or can be deviated from one side of the brake handle so as not to prevent the brake handle from returning from the emergency brake position. The wheelchair brake control mechanism not only has simple and compact structure and fewer components, but is more flexible and convenient to operate for the movement stroke of each part is small; and when the wheelchair brake control mechanism is installed on the wheelchair, the control mechanism is lighter.

Description

The Brake of wheel-chair controlling organization

Technical field

This utility model relates to a kind of Brake of wheel-chair controlling organization.

Background technology

Usually all have the brake locking device in the brake controlling organization of installing on the wheelchair at present, its effect is that brake handle is locked in scram position, it can't be restored, so that make the people need not long-term grip brake handle and can realize that also reliably stopping of wheelchair stop, thereby further improve convenience and the safety that wheelchair uses.Yet existing described brake locking device is formed by connecting by parts such as cam, levers usually, complex structure not only, and also it is big to handle actuating length, causes the volume of whole brake controlling organization to seem more too fat to move on wheelchair.

Summary of the invention

This utility model purpose is: provide at the deficiencies in the prior art a kind of simple in structure, volume is little and the Brake of wheel-chair controlling organization of flexible and convenient operation.

The technical solution of the utility model is: a kind of Brake of wheel-chair controlling organization comprises the brake holder, and is installed in brake handle and brake locking device on the brake holder; Described brake handle is articulated on the brake holder, and is equiped with torsion spring in the articulated section; Described brake locking device comprises a slide block, is connected with a control stick on this slide block, and it is movable between two operating positions that this control stick can order about slide block by artificial dialling moves; When brake handle is in scram position and slide block when being in first operating position, described slide block is against it can't be resetted; And when slide block was in second operating position, it can support one and be located in the recess on the brake handle or deviate from brake handle one side and can not reset from scram position by the block brake handle.

The further technical scheme of this utility model is as follows: described brake locking device also comprises spring, and this spring one end is fixed in the brake holder, and other end tractive or shore described slide block; Described brake holder is provided with for the outstanding dial hole of control stick simultaneously, and the L-shaped or V-arrangement of this dial hole is made of first allocating slot and second allocating slot that link to each other by knuckle; Aforementioned control stick can by artificial dial move and overcome spring reset force and from first allocating slot activity to the second allocating slot; And in the time of in described control stick is still in first allocating slot, described slide block is in first operating position; And in control stick is still in second allocating slot time, described slide block is in second operating position accordingly; Perhaps also can be in described control stick is still in first allocating slot time, described slide block be in second operating position; And in control stick is still in second allocating slot time, described slide block is in first operating position accordingly.

Further be provided with the chute that the restriction slide block slides along the telescopic spring direction in this utility model in the brake holder, an one purpose is to make the application of force of spring on slide block concentrate, and guarantees that the action of slide block is accurate; Another purpose also is in order to simplify the active path of slide block, and reduces the range of activity of slide block in the brake holder, is unlikely to excessive with the volume design of brake holder so that can make full use of the inner space of brake holder.

And on described slide block, further have slotted hole in this utility model, the end of described control stick forms a head that enlarges, and its front end passes the dial hole on the slotted hole on the slide block and the holder that brakes successively, and fix a dial sleeve, this dial sleeve is stuck on the dial hole to prevent in the control stick retraction brake holder.

And the arranged direction of first allocating slot is further with the flexible direction unanimity of spring in the dial hole described in this utility model.

The holder of brake described in this utility model is the same with prior art, be fixed on the brake fixed bar of wheelchair one side, fixed mode then is to adopt traditional clip to fix, specifically be that top at the brake holder is by the fixing lower catch hoop of alignment pin, this lower catch hoop and front band pass through Bolt Connection, and surround and hold tightly on the brake fixed bar.

The head of brake handle described in this utility model is with the equally fixing end of brake cable of prior art, and the other end of brake cable is derived from the brake cable delivery line that is fixed in brake holder bottom and connect braking mechanism on the wheelchair wheel hub, by pressing down brake handle, make brake handle rotate to tighten up brake cable around pivot, order about the braking mechanism action of brake cable other end, just can realize the snub of wheelchair.

This utility model advantage is:

This Brake of wheel-chair controlling organization described in the utility model, only just can finish the locking and unlocking of brake handle by a slide block, compare existing controlling organization, not only simple and compact for structure, parts are few, and operate because the actuating length of each parts is little so seem more flexible; Its integral body is installed in then show on the wheelchair more light and handy.

Description of drawings

Below in conjunction with drawings and Examples this utility model is further described:

Fig. 1 is a three-dimensional decomposition texture sketch map of the present utility model;

Fig. 2 is the perspective view of brake handle lock-out state in this utility model;

Fig. 3 is the front view of Fig. 2;

Fig. 4 is the A-A cutaway view of Fig. 3;

The perspective view that Fig. 5 does not lock state for brake handle in this utility model;

Fig. 6 is the front view of Fig. 5;

Fig. 7 is the B-B cutaway view of Fig. 6.

Wherein: 1, brake holder; 2, brake handle; 3, torsion spring; 4, slide block; 5, control stick; 6, recess; 7, spring; 8, dial hole; 801, first allocating slot; 802, second allocating slot; 9, slotted hole; 10, dial sleeve; 11, alignment pin; 12, lower catch hoop; 13, front band; 14, brake cable delivery line; 15, articulate bolt; 16, bolt.

The specific embodiment

Embodiment: in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 with Figure 7 shows that a kind of specific embodiment of this utility model Brake of wheel-chair controlling organization, it mainly by brake holder 1, brake handle 2, torsion spring 3, slide block 4, control stick 5, spring 7, dial sleeve 10, alignment pin 11, lower catch hoop 12, front band 13, brake cable delivery line 14, articulate bolt 15 and bolt 16 these parts are formed.

Specifically as shown in Figure 1, brake handle described in the present embodiment 2 is articulated on the brake holder 1 by articulating bolt 15, and torsion spring 3 is set on the pivot joint bolt 15, and the deduction of one end is in brake holder 1, and other end deduction is on brake handle 2.The head of brake handle 2 is with the equally fixing end of brake cable (not drawing among the figure) of prior art, and the other end of brake cable is derived from the brake cable delivery line 14 that is fixed in brake holder 1 bottom and connect braking mechanism on the wheelchair wheel hub; Brake handle 2 in the present embodiment is provided with a recess 6 simultaneously.

Described brake holder 1 is the same with prior art, be fixed on the brake fixed bar (not drawing among the figure) of wheelchair one side, fixed mode then is to adopt traditional clip to fix, specifically be to pass through fixedly lower catch hoop 12 of alignment pin 11 on the top of brake holder 1, this lower catch hoop 12 connects by bolt 16 with front band 13, holds tightly on the brake fixed bar thereby can surround.

Slide block described in the present embodiment 4, control stick 5 and spring 7 common formation brake locking devices are provided with chute (not marking among the figure) in the described brake holder 1, slide block 4 is located in the chute; And described spring 7 one ends are fixed in the brake holder 1, the other end is fixed on the top of slide block 4 with traction sliding block 4, and chute described in the present embodiment that direction is set is consistent with the flexible direction of spring 7, thereby guiding and restriction slide block 4 slide along the flexible direction of spring 7, She Ji a purpose is to make the application of force of spring 7 on slide block 4 concentrate like this, guarantees that the action of slide block 4 is accurate; Another purpose also is in order to simplify the active path of slide block 4, and reduces the range of activity of slide block 4 in brake holder 1, and what be unlikely to so that can make full use of the inner space of brake holder 1 that volume with brake holder 1 designs is excessive.

Have slotted hole 9 on the described slide block 4, and have dial hole 8 on the brake holder 1, the end of described control stick 5 forms a head that enlarges, the front end of control stick 5 then passes described slotted hole 9 and dial hole 8 successively, outstanding at last brake holder 1, and outstanding part is milled with screw thread, and the dial sleeve 10 that is spirally connected, thereby this dial sleeve 10 is stuck in and can prevents on the dial hole 8 in the control stick 5 retractions brake holder 1.

Described dial hole 8 is specifically L-shaped, is made of first allocating slot 801 and second allocating slot 802 that link to each other by knuckle; And the arranged direction of first allocating slot 801 wherein is with the flexible direction unanimity of spring 7, also with brake holder 1 in chute that direction is set is consistent.

Described control stick 5 can move and movable back and forth between first allocating slot 801 of dial hole 8 and second allocating slot 802 by artificial dialling, and in this enforcement, control stick 5 is being allocated to the process of second allocating slot 802 from first allocating slot 801, spring 7 is stretched, so control stick 5 is that to overcome the reset force of spring 7 active; And control stick 5 is being allocated to the process of first allocating slot 801 from second allocating

slot

802,5 of control sticks can automatically reset under the tractive of spring 7.

Described control stick 5 is active back and forth between first allocating slot 801 and second allocating slot 802, and will to order about slide block 4 simultaneously movable between two operating positions, in the present embodiment in control stick 5 is still in first allocating slot 801 time, described slide block 4 is in first operating position, and on this operating position, slide block 4 can be with the scram position that is locked in of brake handle 2; And in control stick 5 is still in second allocating slot 802 time, described slide block 4 is in second operating position, and on this operating position, slide block 4 can be guaranteed normally resetting of brake handle 2.Elaborate below in conjunction with Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and operation principle to present embodiment shown in Figure 7:

At first in conjunction with Fig. 2, Fig. 3 and shown in Figure 4, when using present embodiment to carry out snub, only need press down brake handle 2, make brake handle 2 rotate to tighten up brake cable around pivot, just can order about the braking mechanism action of brake cable other end, thereby realize the snub of wheelchair, just the state when brake handle 2 is in scram position is as shown in Fig. 2, Fig. 4.This moment is in order to be locked in scram position with brake handle 2; only need control stick 5 is allocated in first allocating slot 801, and guarantee that slide block 4 is in first operating position, specifically in conjunction with shown in Figure 4; on first operating position, slide block 4 just is against on the brake handle 2 and it can't be resetted.

Again in conjunction with Fig. 5, Fig. 6 and shown in Figure 7, when needing release, only need control stick 5 is allocated in second allocating slot 802, make slide block 4 be in second operating position, specifically in conjunction with shown in Figure 7, on second operating position, slide block 4 be owing to just can support in the recess 6 that brake handle 2 is provided with, thereby can not reset from scram position under the twisting force of torsion spring 3 by block brake handle 2.

As can be known described in conjunction with the foregoing description, this Brake of wheel-chair controlling organization described in the utility model, only just can finish the locking and unlocking of brake handle 2 by a slide block 4, compare existing controlling organization, not only simple and compact for structure, parts are few, and operate because the actuating length of each parts is little so seem more flexible; Its integral body is installed in then show on the wheelchair more light and handy.

Certain above-mentioned example only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the people who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection domain of the present utility model with this.All equivalent transformation or modifications of doing according to the spirit of this utility model main technical schemes all should be encompassed within the protection domain of the present utility model.

Claims

1. a Brake of wheel-chair controlling organization comprises brake holder (1), and is installed in brake handle (2) and brake locking device on the brake holder (1); Described brake handle (2) is articulated on the brake holder (1), and is equiped with torsion spring (3) in the articulated section; It is characterized in that described brake locking device comprises a slide block (4), be connected with a control stick (5) on this slide block (4), it is movable between two operating positions that this control stick (5) can order about slide block (4) by artificial dialling moves; When brake handle (2) is in scram position and slide block (4) when being in first operating position, described slide block (4) is against and on the brake handle (2) it can't be resetted; And when slide block (4) was in second operating position, it can support one and be located in the recess (6) on the brake handle (2) or deviate from brake handle (2) one sides and can not reset from scram position by block brake handle (2).

2. Brake of wheel-chair controlling organization according to claim 1, the locking device that it is characterized in that braking also comprises spring (7), these spring (7) one ends are fixed in brake holder (1), and other end tractive or shore described slide block (4); Described brake holder (1) is provided with for the outstanding dial hole (8) of control stick (5) simultaneously, and the L-shaped or V-arrangement of this dial hole (8) is made of first allocating slot (801) that links to each other by knuckle and second allocating slot (802); Aforementioned control stick (5) can move and overcomes the reset force of spring (7) and movable to second allocating slot (802) from first allocating slot (801) by artificial dialling; And in the time of in described control stick (5) is still in first allocating slot (801), described slide block (4) is in first operating position; And in control stick (5) is still in second allocating slot (802) time, described slide block (4) is in second operating position accordingly; In the time of perhaps in described control stick (5) is still in first allocating slot (801), described slide block (4) is in second operating position; And in control stick (5) is still in second allocating slot (802) time, described slide block (4) is in first operating position accordingly.

3. Brake of wheel-chair controlling organization according to claim 2 is characterized in that being provided with in the described brake holder (1) chute that restriction slide block (4) slides along the flexible direction of spring (7).

4. Brake of wheel-chair controlling organization according to claim 3, it is characterized in that having on the described slide block (4) slotted hole (9), the end of described control stick (5) forms a head that enlarges, and its front end passes the dial hole (8) on the slotted hole (9) on the slide block (4) and the holder (1) that brakes successively, and fix a dial sleeve (10), this dial sleeve (10) is stuck in dial hole (8) and goes up to prevent in control stick (5) the retraction brake holder (1).

5. Brake of wheel-chair controlling organization according to claim 3 is characterized in that the flexible direction unanimity of the same spring of arranged direction (7) of described first allocating slot (801).

6. according to claim 1 or 2 or 3 or 4 or 5 described Brake of wheel-chair controlling organizations, the top that it is characterized in that described brake holder (1) is fixed with lower catch hoop (12) by alignment pin (11), this lower catch hoop (12) passes through Bolt Connection with front band (13), and surrounds and hold tightly on the brake fixed bar.

7. according to claim 1 or 2 or 3 or 4 or 5 described Brake of wheel-chair controlling organizations, the head that it is characterized in that described brake handle (2) is an end of brake cable fixedly, and the other end of brake cable is derived from the brake cable delivery line (14) that is fixed in brake holder (1) bottom and connection wheelchair wheel hub on braking mechanism.