CN204890390U - Electronic brake is used to electronic brake mechanism and wheelchair - Google Patents
Electronic brake is used to electronic brake mechanism and wheelchair Download PDFInfo
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- CN204890390U CN204890390U CN201520580109.7U CN201520580109U CN204890390U CN 204890390 U CN204890390 U CN 204890390U CN 201520580109 U CN201520580109 U CN 201520580109U CN 204890390 U CN204890390 U CN 204890390U
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- brake
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- wheelchair
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- brake mechanism
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- 230000007246 mechanism Effects 0.000 title claims abstract description 61
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009993 protective function Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000008736 traumatic injury Effects 0.000 description 1
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Abstract
The utility model discloses an electronic brake is used to electronic brake mechanism and wheelchair belongs to brake technical field. The utility model discloses a brake actuating mechanism and control circuit, brake actuating mechanism include electric putter, pull rod, adapter sleeve, spring, fixed loop, connector and normal close travel switch, and the pull rod seat fixed connection of electric putter and pull rod connects on the ways locates the drag link body of pull rod, and the spring mounting is in the adapter sleeve, and the other end of adapter sleeve hinges with the connector mutually, following the axis direction on the adapter sleeve and being equipped with the U -shaped spout, be equipped with the shifting block with U -shaped spout matched with on the fixed loop, normal close travel switch connects in control circuit, and is controlled normal close travel switch's break -make by the shifting block. The utility model discloses an electronic brake mechanism simple structure, convenient operation, circuit control is simple, has the overload protection effect, on will this electronic brake mechanism being applied to the wheelchair, the flexible brake of wheelchair can be realized, the danger of bringing to a halt and causing user's inertia to rush out because of the wheelchair is prevented.
Description
Technical field
This utility model relates to a kind of brake, more particularly, relates to a kind of electric brake mechanism and wheelchair electric brake.
Background technology
For the brake system of some wheelchairs and vehicle, major part also adopts armstrong's patent to brake, and this brake structure is simple, reliable operation.But in some cases, hand-operated brake also has its shortcoming, such as safety is not high, brake not in time and cannot hand-operated brake etc. realized in some cases.Along with the progress of industrial automation technology, also there are some electric brake mechanisms, be generally applied to the occasion of some automation mechanized operations.But structure and the control system of existing electric brake mechanism are comparatively complicated, in some scenarios cannot practical application.
Such as, for wheelchair, because the function of existing wheelchair gets more and more, structure also becomes increasingly complex, and therefore the brake structure of wheelchair and control system should not be too complicated, and cost is also unsuitable too high.The user of wheelchair is generally the patient of walking disorder, and it also can run into some ramps etc. unavoidably, and for the user of wheelchair, the brake of wheelchair needs naturally timely and effective when being used alone wheelchair activities, otherwise just may cause the accidents such as patient's traumatic injury.Therefore, design a simple and effective electric brake mechanism to be necessary.
Summary of the invention
1. the utility model technical problem that will solve
The purpose of this utility model is to overcome the structure of existing electric brake mechanism and control system is complicated, manufacturing cost is high deficiency, a kind of electric brake mechanism and wheelchair electric brake are provided, adopt the technical solution of the utility model, electric brake mechanism structure is simple, and easy to operate, electric brake control circui is simple, there is overload protective function, further, can self-locking after brake terminates, do not consume electric energy; Be applied on wheelchair by this electric brake mechanism, can realize the flexibility brake of wheelchair, prevent from bringing to a halt the danger causing user inertia to go out because of wheelchair, and braking mechanism is stable, power consumption is little, safe and reliable, and cost of manufacture is cheap.
2. technical scheme
For achieving the above object, the technical scheme that this utility model provides is:
A kind of electric brake mechanism of the present utility model, comprise brake actuating mechanism and control circuit, described brake actuating mechanism comprises electric pushrod, pull bar, adapter sleeve, spring, retainer ring, union joint and normally closed travel switch, described electric pushrod is fixedly connected with the draw-bar seat of pull bar, described adapter sleeve is sheathed on the drag link body of pull bar, described spring fitting is in adapter sleeve, and be sheathed on drag link body, one end of this spring is against on the bench port bottom adapter sleeve, the other end be against be fixed on drag link body end retainer ring on, the other end of described adapter sleeve is hinged with the union joint for being connected brake cable, described adapter sleeve is provided with U-shaped chute in the axial direction, and described retainer ring is provided with the shifting block matched with U-shaped chute, and described normally closed travel switch is connected in control circuit, and controls the break-make of normally closed travel switch by shifting block.
Further, described adapter sleeve is fixed with side plate, described normally closed travel switch is installed on side plate.
Further, described retainer ring is stuck on the step of drag link body, and is fixed by nut.
Further, described control circuit comprises power supply, reversing switch and diode, and described power supply, reversing switch, diode and electric pushrod are in turn connected into the loop of series connection, described normally closed travel switch and diodes in parallel; When braking, the negative pole end of described diode is connected with the positive pole of power supply.
Further, described power supply is 24V DC source.
A kind of wheelchair electric brake of the present utility model, comprise above-mentioned electric brake mechanism, this electric brake mechanism is installed on wheelchair by the mount pad hinged with electric pushrod rear end, and the brake disc of wheelchair is connected by the union joint of brake cable with electric brake mechanism.
3. beneficial effect
The technical scheme adopting this utility model to provide, compared with existing known technology, has following beneficial effect:
(1) a kind of electric brake mechanism of the present utility model, it comprises brake actuating mechanism and control circuit, brake actuating mechanism comprises electric pushrod, pull bar, adapter sleeve, spring, retainer ring, union joint and normally closed travel switch, electric pushrod is fixedly connected with the draw-bar seat of pull bar, adapter sleeve is sheathed on the drag link body of pull bar, spring fitting is in adapter sleeve, and be sheathed on drag link body, one end of this spring is against on the bench port bottom adapter sleeve, the other end be against be fixed on drag link body end retainer ring on, the other end of adapter sleeve is hinged with the union joint for being connected brake cable, adapter sleeve is provided with U-shaped chute in the axial direction, and retainer ring is provided with the shifting block matched with U-shaped chute, and normally closed travel switch is connected in control circuit, and controls the break-make of normally closed travel switch by shifting block, utilize electric pushrod to realize the electronic of brake cable and pull brake, fast, have auto-lock function, do not consume electric energy after brake terminates, power consumption is little in response, utilize spring mechanism to realize flexible brake, prevent rigidity to brake the inertia impact brought, when braking, utilize normally closed travel switch to control brake and stop in time, protection electric pushrod is not damaged, structure is simple, easy to operate,
(2) a kind of electric brake mechanism of the present utility model, its adapter sleeve is fixed with side plate, and normally closed travel switch is installed on side plate, retainer ring is stuck on the step of drag link body, and fixed by nut, brake actuating mechanism easy installation and removal, is convenient to maintenance and repair;
(3) a kind of electric brake mechanism of the present utility model, its control circuit comprises power supply, reversing switch and diode, and power supply, reversing switch, diode and electric pushrod are in turn connected into the loop of series connection, normally closed travel switch and diodes in parallel; When braking, the negative pole end of diode is connected with the positive pole of power supply, utilizes normally closed travel switch by circuit turn-on, make electric pushrod work, perform brake work, when the shifting block on retainer ring triggers normally closed travel switch, i.e. power-off, stops brake, prevents electric pushrod from transshipping impaired; Commutated by reversing switch, make electric current reversal connection, now diode current flow, electric pushrod reverses, releasing of brake, and control circui is simple and convenient, has overload protective function;
(4) a kind of wheelchair electric brake of the present utility model, electric brake mechanism is installed on wheelchair by the mount pad hinged with electric pushrod rear end, the brake disc of wheelchair is connected by the union joint of brake cable with electric brake mechanism, electric brake mechanism is applied on wheelchair, the flexibility brake of wheelchair can be realized, prevent from bringing to a halt the danger causing user inertia to go out because of wheelchair, and braking mechanism is stable, safe and reliable, cost of manufacture is cheap.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of electric brake mechanism of the present utility model;
Fig. 2 is the internal structure schematic diagram of adapter sleeve in a kind of electric brake mechanism of the present utility model;
Fig. 3 is the structural representation of the adapter sleeve in this utility model;
Fig. 4 is the internal sectional structure schematic diagram of adapter sleeve in a kind of electric brake mechanism of the present utility model;
Fig. 5 is the control circuit figure in this utility model;
Fig. 6 is the installation site schematic diagram of a kind of electric brake mechanism of the present utility model in wheelchair.
Label declaration in schematic diagram:
1, electric pushrod; 2, pull bar; 21, draw-bar seat; 22, drag link body; 3, adapter sleeve; 31, U-shaped chute; 32, side plate; 33, bench port; 4, spring; 5, retainer ring; 51, shifting block; 6, nut; 7, union joint; 8, mount pad; 9, normally closed travel switch; 10, brake cable; 11, power supply; 12, reversing switch; 13, diode.
Detailed description of the invention
For understanding content of the present utility model further, in conjunction with the accompanying drawings and embodiments this utility model is described in detail.
Embodiment
Shown in composition graphs 1 to Fig. 5, a kind of electric brake mechanism of the present embodiment, comprise brake actuating mechanism and control circuit, brake actuating mechanism comprises electric pushrod 1, pull bar 2, adapter sleeve 3, spring 4, retainer ring 5, union joint 7 and normally closed travel switch 9, pull bar 2 comprises drag link body 22 and is fixed on the draw-bar seat 21 (shown in Figure 4) of drag link body 22 one end, and the other end of drag link body 22 is provided with step and screw thread; Adapter sleeve 3 is a hollow sleeve, its one end is provided with the bench port 33 that a diameter and drag link body 22 diameter compatible close, the other end is uncovered structure, and adapter sleeve 3 being at least provided with a U-shaped chute 31 arranged in the axial direction, the opening direction of this U-shaped chute 31 is towards one end (shown in Figure 3) of uncovered structure.Shown in hookup 4, electric pushrod 1 is fixedly connected with the draw-bar seat 21 of pull bar 2, and particularly, the bottom of draw-bar seat 21 is provided with a blind hole, and the push rod of electric pushrod 1 inserts in this blind hole, and utilizes a steady pin to fix, adapter sleeve 3 is sheathed on the drag link body 22 of pull bar 2, spring 4 is installed in adapter sleeve 3, and be sheathed on drag link body 22, one end of this spring 4 is against on the bench port 33 bottom adapter sleeve 3, the other end be against be fixed on drag link body 22 end retainer ring 5 on, the other end of adapter sleeve 3 is hinged (as shown in Figure 1) with the union joint 7 for being connected brake cable 10, adapter sleeve 3 and union joint 7 also adopt with pinned connection, the two ends of union joint 7 are respectively provided with a brake cable connecting hole, can the synchronous brake of the company's of control brake disc simultaneously, utilize the hinged relationship of adapter sleeve 3 and union joint 7, when braking, tolerable union joint 7 tilts slightly, make pulling force suffered by two brake cable 10 average, ensure brake stability, adapter sleeve 3 is arranged with in the axial direction two U-shaped chutes 31, retainer ring 5 is provided with the shifting block 51 matched with U-shaped chute 31, and normally closed travel switch 9 is connected in control circuit, and controls the break-make of normally closed travel switch 9 by a shifting block 51.A kind of electric brake mechanism of the present embodiment, utilizes electric pushrod 1 to realize the electronic of brake cable 10 and pulls brake, and fast, have auto-lock function, do not consume electric energy after brake terminates, power consumption is little in response; Utilize spring mechanism to realize flexible brake, prevent rigidity to brake the inertia impact brought; When braking, utilize normally closed travel switch 9 to control brake and stop in time, protection electric pushrod 1 is not damaged; Structure is simple, easy to operate.
As improving further, a kind of electric brake mechanism of the present embodiment, its adapter sleeve 3 is fixed with side plate 32 (as shown in Figure 3), this side plate 32 is located near U-shaped chute 31, normally closed travel switch 9 is installed on side plate 32, when shifting block 51 is mobile in U-shaped chute 31, normally closed travel switch 9 can be touched.As shown in Figure 2, retainer ring 5 is stuck on the step of drag link body 22, and is fixed by nut 6, easy installation and removal, is convenient to maintenance and repair.In addition, as shown in Figure 5, control circuit in the present embodiment comprises power supply 11, reversing switch 12 and diode 13, power supply 11 is 24V DC source, reversing switch 12 is DPTT double-pole triple throw switch, power supply 11, reversing switch 12, diode 13 and electric pushrod 1 are in turn connected into the loop of series connection, and normally closed travel switch 9 is in parallel with diode 13; When braking, the negative pole end of diode 13 is connected with the positive pole of power supply 11.
A kind of electric brake mechanism of the present embodiment, during work, reversing switch 12 brakes on circuit, now, the positive pole of power supply 11 is connected with the negative pole of diode 13, due to the unipolarity of diode 13, electric current cannot be passed through by diode 13, and through normally closed travel switch 9 by circuit turn-on, electric pushrod 1 is shunk, brake cable 10 is pulled to perform brake, at this moment, electric pushrod 1 pulls pull bar 2, and drive adapter sleeve 3 to move, when pulling force reaches certain value, pull bar 2 continues mobile, spring 4 is compressed, realize flexible brake, and when pull bar 2 moves to certain distance, shifting block 51 on retainer ring 5 is close to normally closed travel switch 9, and trigger normally closed travel switch 9 and make its power-off, stop brake, avoid electric pushrod 1 to damage because of overload.When needs releasing of brake, reversing switch 12 commutates, and makes line reversal, and now, because the negative pole end of diode 13 is connected with power cathode, diode 13, by circuit turn-on, makes electric pushrod 1 reversely rotate, releasing of brake.
As shown in Figure 6, a kind of wheelchair electric brake of the present embodiment, comprise above-mentioned electric brake mechanism, this electric brake mechanism is installed on the position in Fig. 6 shown in I, the i.e. rear portion of wheelchair, particularly, this electric brake mechanism is installed on (structure of mount pad 8 is see shown in Fig. 1, Fig. 2 and Fig. 4) on wheelchair by the mount pad 8 hinged with electric pushrod 1 rear end, the brake disc of wheelchair is connected with the union joint 7 of electric brake mechanism by brake cable 10, and electric brake mechanism can control two rear wheel brakes of wheelchair simultaneously.Be applied on wheelchair by this electric brake mechanism, can realize the flexibility brake of wheelchair, prevent from bringing to a halt the danger causing user inertia to go out because of wheelchair, and braking mechanism is stable, safe and reliable, cost of manufacture is cheap.
Below be schematically described this utility model and embodiment thereof, this description does not have restricted, and shown in accompanying drawing is also one of embodiment of the present utility model, and actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from this utility model and creating aim, without creatively designing the frame mode similar to this technical scheme and embodiment, protection domain of the present utility model all should be belonged to.
Claims (6)
1. an electric brake mechanism, it is characterized in that: comprise brake actuating mechanism and control circuit, described brake actuating mechanism comprises electric pushrod (1), pull bar (2), adapter sleeve (3), spring (4), retainer ring (5), union joint (7) and normally closed travel switch (9), described electric pushrod (1) is fixedly connected with the draw-bar seat (21) of pull bar (2), described adapter sleeve (3) is sheathed on the drag link body (22) of pull bar (2), described spring (4) is installed in adapter sleeve (3), and be sheathed on drag link body (22), one end of this spring (4) is against on the bench port (33) of adapter sleeve (3) bottom, the other end is against and is fixed on the retainer ring (5) of drag link body (22) end, the other end of described adapter sleeve (3) is hinged with the union joint (7) for being connected brake cable (10), described adapter sleeve (3) is provided with U-shaped chute (31) in the axial direction, described retainer ring (5) is provided with the shifting block (51) matched with U-shaped chute (31), described normally closed travel switch (9) is connected in control circuit, and controls the break-make of normally closed travel switch (9) by shifting block (51).
2. a kind of electric brake mechanism according to claim 1, is characterized in that: described adapter sleeve (3) is fixed with side plate (32), and described normally closed travel switch (9) is installed on side plate (32).
3. a kind of electric brake mechanism according to claim 2, is characterized in that: described retainer ring (5) is stuck on the step of drag link body (22), and is fixed by nut (6).
4. a kind of electric brake mechanism according to claim 1 or 2 or 3, it is characterized in that: described control circuit comprises power supply (11), reversing switch (12) and diode (13), described power supply (11), reversing switch (12), diode (13) and electric pushrod (1) are in turn connected into the loop of series connection, and described normally closed travel switch (9) is in parallel with diode (13); When braking, the negative pole end of described diode (13) is connected with the positive pole of power supply (11).
5. a kind of electric brake mechanism according to claim 4, is characterized in that: described power supply (11) is 24V DC source.
6. a wheelchair electric brake, it is characterized in that: comprise the electric brake mechanism described in claim 1 to 5 any one, this electric brake mechanism is installed on wheelchair by the mount pad (8) hinged with electric pushrod (1) rear end, and the brake disc of wheelchair is connected with the union joint (7) of electric brake mechanism by brake cable (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520580109.7U CN204890390U (en) | 2015-08-04 | 2015-08-04 | Electronic brake is used to electronic brake mechanism and wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520580109.7U CN204890390U (en) | 2015-08-04 | 2015-08-04 | Electronic brake is used to electronic brake mechanism and wheelchair |
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| Publication Number | Publication Date |
|---|---|
| CN204890390U true CN204890390U (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520580109.7U Active CN204890390U (en) | 2015-08-04 | 2015-08-04 | Electronic brake is used to electronic brake mechanism and wheelchair |
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| Country | Link |
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| CN (1) | CN204890390U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114366467A (en) * | 2021-12-25 | 2022-04-19 | 南京科桥电气有限公司 | Electric wheelchair control method, device, control equipment and storage medium |
-
2015
- 2015-08-04 CN CN201520580109.7U patent/CN204890390U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114366467A (en) * | 2021-12-25 | 2022-04-19 | 南京科桥电气有限公司 | Electric wheelchair control method, device, control equipment and storage medium |
| CN114366467B (en) * | 2021-12-25 | 2023-08-15 | 南京科桥电气有限公司 | Electric wheelchair control method, device, control equipment and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191204 Address after: 213000 No. 91 Hanjiang West Road, Xinbei District, Jiangsu, Changzhou Patentee after: Weisen (Changzhou) Health Technology Co.,Ltd. Address before: 213000 Jiangsu city of Changzhou province Tongde New District Court 21 unit 201 Room B Patentee before: Xie Shumin |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240511 Address after: Floor 4, No. 8 Xingxin Road, Luoxi Town, Xinbei District, Changzhou City, Jiangsu Province, China, 213136 Patentee after: Changzhou Aoxiang Intelligent Technology Co.,Ltd. Country or region after: China Address before: 213000 No.91, Hanjiang West Road, Xinbei District, Changzhou City, Jiangsu Province Patentee before: Weisen (Changzhou) Health Technology Co.,Ltd. Country or region before: China |