CN200971644Y - Key cover with raised point for blind - Google Patents

Abstract

The utility model discloses a Braille key sleeve which comprises a sleeve (1) and is characterized in that the sleeve (1) is provided with a groove (2) for holding the key, and the outside surface of the sleeve (1) is provided with salient points (3) that denote the Braille symbols. Because the salient points (3) are arranged on the Braille key sleeve, the blind can conveniently and accurately find the related key when opening the door lock through touching the Braille on the sleeve. The utility model is convenient for use, simple in structure, with low cost.

Description

The braille key cover

Technical field

The utility model relates to key cover, and specifically a kind of blind person of convenience uses the key cover of key.

Background technology

Existing normal key is used to the normal person mostly, and the judgement of the shape of people by key, material color decides uses for which key unlocking.The blind person is when using normal key, can only touch the shape of key with hand, wait familiar judgement afterwards to open corresponding door lock, fully with sensation with the key of what shape, but often cause misjudgment, brought inconvenience for blind person's life because some key shape is close.

The utility model content

Technical problem to be solved in the utility model provides a kind of braille key cover of blind person's special use, and it is enclosed within on the shank of the key, the blind person can be made things convenient for when opening the door lock find corresponding key exactly.

For this reason, the technical solution adopted in the utility model is as follows: the braille key cover, comprise body, and it is characterized in that having on the described body groove that is used to hold the shank of the key, the external surface of body is provided with the salient point of expression sign.

Described braille key cover has a through hole on the body, this through hole is built-in with a steady pin.After key inserts key cover, pass hole on the shank of the key with steady pin then, key and body are linked together, prevented that key breaks away from from body.

Described braille key cover, through hole are positioned at the place, bottom of groove, because the hole on the general the shank of the key all is positioned at head, so just make lead to the hole site corresponding with the hole site on the shank of the key, conveniently with steady pin key are connected with body.

Described braille key cover, groove semicircular in shape, trapezoidal or triangle also can be other shape, are the grooves of selecting out respective shapes according to the shape of the shank of the key.

The utility model and key are used, and have following beneficial effect: by touching the braille on the body, the blind person can be made things convenient for when opening the door lock find corresponding key exactly, use easily; Make simple, with low cost.

Below in conjunction with drawings and Examples the utility model is further described.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 be among Fig. 1 A-A to sectional view.

Fig. 3 is the utility model and the key schematic diagram when being used.

The specific embodiment

Braille key cover as shown in Figure 1 to Figure 3, have a groove 2 that is used to hold the shank of the key on the body 1, described groove 2 semicirculars in shape, the external surface of body 1 are provided with the salient point 3 of expression sign, represent big room, cubicle, guest room, washroom etc. respectively with different signs.Have the through hole 4 that a bottom that is positioned at groove 2 is located on the described body 1, this through hole 4 is built-in with a steady pin 5.During use, the shank of the key 6 is inserted in the bodies 1, pass hole on the shank of the key 6 with steady pin 5 then, the shank of the key 6 and body are linked together.The key (known its is used for out the door lock in which room) of different shape is put into the outside respectively be carved with the body of corresponding sign (representing big room, cubicle, guest room, washroom etc. with different signs respectively), make and represent on the body that the braille of chummery is not corresponding with corresponding key.The blind person as long as touch the braille in what room of expression on the body, just knows this key is out the door lock in what room when unblanking, the blind person can be made things convenient for find corresponding key exactly, uses easily.

Claims (4)

1, a kind of braille key cover comprises body (1), it is characterized in that having on the described body (1) groove (2) that is used to hold the shank of the key, and the external surface of body (1) is provided with the salient point (3) of expression sign.

2, braille key cover according to claim 1 is characterized in that having a through hole (4) on the described body (1), and this through hole (4) is built-in with a steady pin (5).

3, braille key cover according to claim 1 and 2 is characterized in that described through hole (4) is positioned at the place, bottom of described groove (2).

4, braille key cover according to claim 3 is characterized in that described groove (2) semicircular in shape, trapezoidal or triangle.

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