CN201277231Y - Round cap nail - Google Patents

Abstract

The utility model relates to a round cap nail, which comprises a nail head and a nail rod, wherein a cylindrical nail cap is covered on the top portion of the nail rod, and a slot is arranged on the surface of the nail cap, and the edge opening of the nail cap is sharp. When in use, people beat the nail downwards into wood by a hammer, and the nail cap easily enters into wood with the sharp opening of the nail cap and the external force after the nail cap is contacted with the surface of wood, and finally only a small part of the nail cap is left on the surface of the wood, thereby avoiding damaging clothes. The nail is pulled out only by using a screw driver. The round cap nail has the advantages of reasonable structure, convenience, durability, safety, reliability and the like, which can assure the smoothness of the nail cap, and avoid the nail cap damaging the clothes or skin of users.

Description

Circle snap-fastener

Technical field

The utility model relates to a kind of daily necessities, especially a kind of round snap-fastener.

Background technique

Nail is the device that people use always in life, and people use it can fix various articles for use.But all there is shortcoming separately in present nail.For example, loosening phenomenon can take place in the nail of common flat cap after permanent the use, make the head of a nail exceed the surface of immobilization material, and the head of a nail that exceeds scratches people's skin or clothing easily; Though drawing pin can prevent to scratch phenomenon in fixing, because its head of a nail surface is not used in the slot that screw-driver inserts, so when people pull up drawing pin, can require great effort very much.

Summary of the invention

The purpose of this utility model provides a kind of round snap-fastener, is used to solve the problems such as the easy scratch people of head of a nail clothing of common nails.

For achieving the above object, the utility model circle snap-fastener comprises nail head and nail shank, and the nail cap is the cylindrical structure of an end opening, vertically stretches out nail shank from the center of nail cap closure end face, and the rim openings place of the cylindrical body head of a nail is comparatively sharp; Nail cap and nail shank are integral structure; Be provided with the slot that inserts for screw-driver on the surface of the cylindrical body head of a nail.

After adopting said structure, the user uses hammer to knock or screws downwards and can hammer into plank to nail head with screw-driver, very sharp owing to head of a nail rim openings place in this process, also can enter plank fully, because the top cap is a cylindrical structure, and a part has wherein entered plank, and the top cap that is exposed on the external is more mellow and fuller smooth, therefore can avoid scratching problems such as clothing skin; Adding the top cap surface has slot, and the loosening nail shank of therefore available screw-driver rotation is convenient to the user and is extracted nail.

The utility model has the advantages that: rational in infrastructure, convenient durable, safe and reliable, can guarantee the slyness of the head of a nail, avoid head of a nail scratch user's clothing or skin.

Description of drawings

Fig. 1 is the overall structure schematic representation of the utility model circle snap-fastener.

Fig. 2 is the front cross-sectional view of the utility model circle snap-fastener.

Embodiment

As shown in Figure 1, the utility model circle snap-fastener comprises nail head 1 and nail shank 2, and nail cap 3 is the cylindrical structure of an end opening, vertically stretches out nail shank 2 from the center of nail cap 3 Closed Ends, and the rim openings place of the cylindrical body head of a nail 3 is comparatively sharp; Nail cap 3 is an integral structure with nail shank 2; Be provided with the slot 4 that inserts for screw-driver on the surface of the cylindrical body head of a nail 3.Wherein, design the mould of nail in advance, make nail then; After manufacturing finishes, the edge of opening of the cylindrical body head of a nail 3 be polished to sharp till.When using, the user impacts the cylindrical body head of a nail 3 downwards with hammer, make nail head 1 enter timber to be fixed, when the cylindrical body head of a nail 3 with after wood surface contacts, because the head of a nail 3 rim openings places are comparatively sharp, add powerful external force effect, therefore the head of a nail 3 is also than being easier to enter timber inside, stay the just sub-fraction of the head of a nail 3 of wood surface at last, and it is very mellow and full smooth, when the loosening and projection of nail, exceed the just mellow and full part of the cylindrical body head of a nail 3 of wood surface, clothing or skin that can the scratch user; When pulling up nail, the user can be inserted in the slot 4 on top cap 3 surfaces with screw-driver, and rotation can make nail take place to become flexible then, just can extract nail with pliers or magnet at last.

Claims (2)

1, a kind of round snap-fastener, comprise nail head (1) and nail shank (2), it is characterized in that: nail cap (3) is the cylindrical structure of an end opening, vertically stretch out nail shank (2) from the center of nail cap (3) Closed End, and the rim openings place of the cylindrical body head of a nail (3) is comparatively sharp; Nail cap (3) is an integral structure with nail shank (2).

2, according to described round snap-fastener of claim (1), it is characterized in that: be provided with the slot (4) that inserts for screw-driver on the surface of the cylindrical body head of a nail (3).

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