CN208926715U - A kind of prosthetic foot - Google Patents

Abstract

The utility model discloses a kind of prosthetic foots, including prosthetic foot facies palmaris, connection pedestal, buffer unit and artificial limb connecting shaft；The connection pedestal is fixedly connected on prosthetic foot facies palmaris, and connection pedestal, buffer unit and artificial limb connecting shaft are connected by the through-hole of same size；There is one piece of rubber pad on the connection pedestal；The buffer unit includes metal tube and spring；The utility model structure is simple, and easy maintenance is low-cost, in use, prosthetic foot device can keep the balance of user, discontinuity will not occur and the situation fallen down, can promote the use of in numerous disabled people scholar.

Description

A kind of prosthetic foot

Technical field

The utility model relates to a kind of field of prosthetic limbs, in particular to a kind of prosthetic foot device for artificial limb.

Background technique

Because of the reason of disease or accident, some have to the treatment for receiving amputation, the rehabilitation scheme after amputation, Installation artificial limb can be selected, mostly to maintain normal walking and simple activity.Many functions have been had already appeared currently on the market Outstanding prosthetic product can show the level walked as normal person.But the outstanding product of these functions often according to Expensive by import, domestic vast disabled people scholar can not assemble at all, domestic some artificial limb manufacturers, production Artificial limb level is irregular, especially sole position, and structure is complicated, more heavy, and maintenance cost is high, remaining in addition to walking Such as upward slope, descending, the case where these are frequently encountered across obstacle, it expends bodily strength very much, and the balance of prosthetic foot is excessively poor, holds very much It easily falls down, bigger inconvenience is brought to numerous disabled people scholar.

Summary of the invention

The utility model in view of the deficiencies in the prior art, provides that a kind of structure is simple, and balance is good, for vacation The prosthetic foot device of limb.

The technical solution of the utility model is:

A kind of prosthetic foot, including prosthetic foot facies palmaris, artificial limb connecting shaft；Connection pedestal, the company are provided on the prosthetic foot facies palmaris It connects and is provided with rubber pad on pedestal, buffer unit, the connection pedestal connection artificial limb connection are provided on the rubber pad Axis；The buffer unit includes metal tube and brute spring, and the brute spring is socketed in the outside of metal tube；The artificial limb connects Connecing the tip of the axis is U-shaped structure, is provided with postive stop baffle in artificial limb connecting shaft；Through-hole B is provided on the connection pedestal；It is described Through-hole B is provided on the metal tube of buffer unit；Through-hole B is provided in the artificial limb connecting shaft；The through-hole of the connection pedestal B, the through-hole B of buffer unit is connected with the through-hole B of artificial limb connecting shaft by pin shaft；Through-hole A is provided on the prosthetic foot facies palmaris；Institute It states and is provided with through-hole A on connection pedestal；The through-hole A on through-hole A and connection pedestal on the prosthetic foot facies palmaris is bolted Connection.

Preferably, the connection pedestal is steel plate, and there are four through-hole A for setting on steel plate；One gold is set on the steel plate Belong to block, metal block and steel plate face contact, through-hole B is set on the metal block, the axis of through-hole B is parallel with steel plate.

Preferably, there is a through-hole B on every one side of the U-shaped structure of artificial limb connecting shaft, and two directions through-hole B are opposite.

Preferably, there are two through-hole B, two directions through-hole B are opposite for the metal tube surface setting of the buffer unit.

Preferably, the prosthetic foot facies palmaris is wood materials.

The utility model has the beneficial effects that walking after disabled people scholar installs and uses prosthetic foot provided by the utility model During, normal walking can be kept horizontal；At upward slope (descending), the pico- inclination (downward) upwards of prosthetic foot facies palmaris, with Ground completely attaches to, and connects pedestal and artificial limb connecting shaft under the action of being bolted, and relative displacement variation, prosthetic foot facies palmaris occurs While completely attaching to ground, artificial limb and prosthetic foot facies palmaris generate angle change, and artificial limb can still be kept and human body direction Unanimously, the posture just as real legs and feet at upward slope (descending), the raw discontinuity of human hair will not be allowed and the feelings fallen down Condition；Prosthetic foot inevitably has some damages mechanically in the process used, and components have abrasion, this is practical The prosthetic foot of novel offer, maintenance is simple, user oneself can the components that have damage of dismounting and change, and components are easy to get, The care and maintenance expense for greatly reducing prosthetic foot, alleviates the burden of user to a certain extent.

Detailed description of the invention

Fig. 1 is the structure chart of artificial limb prosthetic foot provided by the utility model.

Fig. 2 is prosthetic foot facies palmaris top view provided by the utility model.

Fig. 3 is connection understructure figure provided by the utility model.

Fig. 4 is buffer device structure provided by the utility model.

Fig. 5 is artificial limb connecting axle structure figure provided by the utility model.

Fig. 6 is a kind of artificial limb upward slope schematic diagram provided by the utility model.

1 is prosthetic foot facies palmaris in figure, and 2 be connection pedestal, and 3 be buffer unit, and 4 be artificial limb connecting shaft, and 5 be rubber pad, and 6 are Pin shaft, 7 be postive stop baffle, and 21 be steel plate, and 22 be metal block, and 32 be metal tube, and 33 be spring, and 100 be through-hole A, and 101 be through-hole B。

Specific embodiment

Illustrate the technical solution of the utility model in order to clearer, it, hereafter will more in conjunction with the embodiments of the present invention Detailed description the utility model.

As shown in figure 1, figure 2, figure 3, figure 4 and figure 5, a kind of prosthetic foot, including prosthetic foot facies palmaris 1, artificial limb connecting shaft 4；Prosthetic foot facies palmaris It is provided with connection pedestal 2 on 1, connects and is provided with rubber pad 5 on pedestal 2, buffer unit 3 is provided on rubber pad 5, connect Pedestal 2 connects artificial limb connecting shaft 4.

Buffer unit 3 includes metal tube 32 and brute spring 33, and brute spring 33 is socketed in the outside of metal tube 32.

The end of artificial limb connecting shaft 4 is U-shaped structure, is provided with postive stop baffle 7 in artificial limb connecting shaft 4.

Through-hole B101 is provided on connection pedestal 2.

Through-hole B101 is provided on the metal tube 32 of buffer unit 3.

Through-hole B101 is provided in artificial limb connecting shaft 4.

Through-hole B101, the through-hole B101 of buffer unit 3 and the through-hole B101 of artificial limb connecting shaft 4 of connection pedestal 2 pass through pin Axis 6 connects.

Through-hole A100 is provided on prosthetic foot facies palmaris 1.

Through-hole A100 is provided on connection pedestal 2.

The through-hole A100 on through-hole A100 and connection pedestal 2 on prosthetic foot facies palmaris 1 is bolted to connection.

Further, connection pedestal 2 is steel plate 21, and there are four through-hole A100 for setting on steel plate 21；It is set on the steel plate 21 A metal block 22, metal block 22 and 21 face contact of steel plate are set, through-hole B101, the axis of through-hole B101 are set on the metal block 22 Line is parallel with steel plate 21.

Further, there are a through-hole B101, two through-hole sides B101 in every one side of the U-shaped structure of artificial limb connecting shaft 4 To opposite.

Further, there are two through-hole B101, two direction through-hole B101 phases for 32 surface of the metal tube setting of buffer unit 3 It is right.

Further, prosthetic foot facies palmaris 1 is wood materials.

The working method of the utility model are as follows:

The connection type of prosthetic foot: connection pedestal 2 connects with prosthetic foot facies palmaris 1 by the way that four bolts being adapted to through-hole A100 are fixed It connects, combines closely, buffer unit 3 is socketed on connection pedestal 2, is inserted into artificial limb connecting shaft 4；The through-hole B101 of buffer unit 3, connect The through-hole B101 of the through-hole B101, connecting shaft 4 that connect pedestal 2 are fixedly connected by pin shaft 6；Connect the through-hole B101 and pin of pedestal 2 Axis 6 is connected but is not fixed, and can occur slightly to slide.

When user is when across general barrier, user's foot-up, spring 33 discharges cushion effect, facilitates user and is lifting It is laborsaving when foot, it conveniently lifts, can lift to place high than usual, across obstacle, when landing, spring 33 absorbs impulse force, drop Low land faces the reaction force of user's artificial limb, mitigates prosthetic socket to the power of artificial limb and flesh contact；After artificial limb landing, make User lifts normal legs and feet, across obstacle, and artificial limb plays the role of supporting body wt, and user is across barrier.

As shown in fig. 6, the pico- inclination (downward) upwards of prosthetic foot facies palmaris 1 is complete with ground when user is at upward slope (descending) Full connected connects pedestal 2 and artificial limb connecting shaft 4 under the action of pin shaft 6 connects, relative angle variation occurs, and prosthetic foot facies palmaris 1 exists While full contact with ground, artificial limb connecting shaft 4 and prosthetic foot facies palmaris 1 generate angle change, and the metal tube 32 of buffer unit 3 is anti- Only angle change is excessive, keeps angle in a certain range；Connection pedestal 2 on rubber pad 5 can play filling because Angle changes and the gap that generates；Artificial limb connecting shaft 4 can still keep consistent with human body direction, just as real leg The case where posture of the foot at upward slope (descending) is the same, and human hair will not be allowed to give birth to discontinuity and fall down.

The present embodiment is only the explanation to the utility model, is not limitations of the present invention, any to be familiar with this skill Within the technical scope disclosed by the utility model, the change and modification that can be readily occurred in should all be contained the technical staff in art field It covers within the protection scope of the present utility model.

Claims (5)

1. a kind of prosthetic foot, including prosthetic foot facies palmaris (1), artificial limb connecting shaft (4), it is characterised in that: be arranged on the prosthetic foot facies palmaris (1) Have connection pedestal (2), be provided with rubber pad (5) on the connection pedestal (2), is provided with buffering on the rubber pad (5) Device (3), the connection pedestal (2) connect artificial limb connecting shaft (4)；

The buffer unit (3) includes metal tube (32) and brute spring (33), and the brute spring (33) is socketed in metal tube (32) outside；

The end of the artificial limb connecting shaft (4) is U-shaped structure, is provided with postive stop baffle (7) in artificial limb connecting shaft (4)；

Through-hole B(101 is provided on the connection pedestal (2))；Through-hole is provided on the metal tube (32) of the buffer unit (3) B(101)；Through-hole B(101 is provided on the artificial limb connecting shaft (4))；

The through-hole B(101 of connection pedestal (2)), the through-hole B(101 of buffer unit (3)) and artificial limb connecting shaft (4) through-hole B (101) it is connected by pin shaft (6)；

Through-hole A(100 is provided on the prosthetic foot facies palmaris (1))；Through-hole A(100 is provided on the connection pedestal (2))；

Through-hole A(100 on the prosthetic foot facies palmaris (1)) and connection pedestal (2) on through-hole A(100) be bolted to connection.

2. prosthetic foot according to claim 1, it is characterised in that: the connection pedestal (2) is steel plate (21), on steel plate (21) There are four through-hole A(100) for setting；One metal block (22), metal block (22) and steel plate (21) face are set on the steel plate (21) Through-hole B(101 is arranged on the metal block (22) for contact), through-hole B(101) axis it is parallel with steel plate (21).

3. prosthetic foot according to claim 1, it is characterised in that: every one side of the U-shaped structure of the artificial limb connecting shaft (4) is equal Have a through-hole B(101), two through-hole B(101) direction is opposite.

4. prosthetic foot according to claim 1, it is characterised in that: metal tube (32) surface of the buffer unit (3) is arranged There are two through-hole B(101), two through-hole B(101) direction is opposite.

5. prosthetic foot according to claim 1, it is characterised in that: the prosthetic foot facies palmaris (1) is wood materials.