CN201900914U

CN201900914U - Rotary-type magnetic nail

Info

Publication number: CN201900914U
Application number: CN201020686288XU
Authority: CN
Inventors: 陆鑫
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-12-17
Filing date: 2010-12-17
Publication date: 2011-07-20
Anticipated expiration: 2020-12-17

Abstract

The utility model relates to a rotary-type magnetic nail which comprises a hollow bottom case with an opening at the top and a magnet arranged at the bottom of the bottom case, wherein a rotary knob is connected to the upper part of the bottom case and the two ends of the rotary knob are opened; a nail is arranged inside the bottom case and in thread fit with the rotary knob and can rotate and move axially relative to the bottom case; and nail holes are correspondingly formed on the bottom case and the magnet, through which a nail body on the nail extends out. When the nail body extends out, the rotary-type magnetic nail serves as a nail, and when the nail body retracts back, the rotary-type magnetic nail serves as a magnet by use of the magnet at the bottom. The nail body of the rotary-type magnetic nail can extend outwardly or retract inwardly only when the rotary knob is rotated, which improves the operating safety.

Description

Rotary magnetic pin nail

Technical field

The utility model belongs to the office stationary field, and in particular a kind of needle body can be inwardly or outwards flexible rotary magnetic pin nail.When needle body stretches out, can be used as pin nail and use, and during withdrawal,, be used as magnet and use then by the magnetic patch of bottom.

Background technology

The pin nail is a kind of office stationary commonly used, mainly is in order to be used for fixing thin shape article, as paper.Known pin nail mainly has a head, and is incorporated into a nail portion on the head, and during use, the application of force hammers into object with nail portion and gets final product at head.

Because pin nail is very easy to use quick, therefore use very extensive, as the placard of some offices, school unit or propaganda data many with the pin nail as holding appliance.But because the nail portion of pin nail is elongated spicule, the people is very easily stabbed at its sharp keen tip.And nail portion cannot hide, and outside being exposed to, also is not easy to carry always.Therefore be unfavorable for safe handling.

And the notification number disclosed a kind of safe thumb-tack that is CN2548809Y, its structure comprises: a hollow body, its top are established an opening, and inside is provided with a location mechanism; One movable part, size are corresponding to opening, and with extended, its inside is dead key chamber in; One driven member, with the movable part socket, a nail body is stretched out in its inner hollow tube chamber, and for an elastomeric ccontaining and socket, this driven member periphery is provided with a clip mechanism; One end sealing, with the body bottom lock, its corresponding nail body is opened a nail hole, and with pipe chamber this elastomer of common double team; By pushing movable part, make the driven member relative displacement, and then compresses elastomeric, and make its clip mechanism clip, and form the potential difference effect in the detent mechanism of body, the nail body is passed by the nail hole and expose.This drawing pin can inside and outside flexible design reaches the purpose of safe handling by the nail body, but its deficiency be this movable part under non-artificial situation of pushing, make the spring pressurized after also can in careless, being touched and cause following closely body and stretch out, therefore still have insecurity.

Summary of the invention

Technical problem to be solved in the utility model is to provide a kind of to make the flexible rotary magnetic pin nail of nail body at the prior art present situation by rotation, so that the pin nail uses safer the time, possesses the double-purpose functional of pin nail and magnet.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: this rotary magnetic pin nail, comprise drain pan, magnetic patch is equipped with in the bottom of drain pan, it is characterized in that described drain pan top is connected with the knob of two opening, one is rotatable and can axially movable pin with respect to described drain pan bind in drain pan and with described knob spiral and cooperate; Described drain pan and magnetic patch correspondence have pin hole, can stretch out for the needle body that pin nails on.

A bottom also is equipped with in described drain pan bottom, and described magnetic patch is installed on the drain pan by this bottom.

Described pin nail comprise housing and described needle body, described hull outside be shaped on one section with the knob inwall on the double thread that screws togather of thread.

The both sides that are positioned at the housing outer wall below the double thread have a symmetrically arranged bar shaped projection respectively, and a guide runner that can embed for described projection is arranged respectively in the inwall both sides of described drain pan accordingly.

One annular groove that is used to connect knob is arranged at described drain pan top, and the root edge of knob fastens with this annular groove and is relative rotation.

Described bottom is the tubular body of a hollow, and its internal diameter can supply to insert and close-fitting, and in its outside a plurality of ribs radially be arranged corresponding to the cylinder external diameter of drain pan inside, and is inconsistent with the inwall of drain pan; The circular bottom part that the bottom of bottom has an external diameter to enlarge is complementary with the bottom opening of drain pan, and the opening internal diameter of bottom bottom dwindles formation one step, and described magnetic patch is limited between drain pan and this step.

Compared with prior art, advantage of the present utility model is: when the utility model stretches out when needle body, can be used as pin nail and use, and during withdrawal, then by the magnetic patch of bottom, be used as magnet and use.And needle body of the present utility model has only under the turn knob, just can do inside or outside stretching, so safety in utilization is good.

Description of drawings

Fig. 1 is the schematic perspective view of the utility model embodiment.

Fig. 2 is the perspective exploded view of the utility model embodiment.

Fig. 3 is the profile of the utility model embodiment.

Fig. 4 is the schematic perspective view of the utility model embodiment when needle body is withdrawn.

Fig. 5 is the profile of the utility model embodiment when needle body is withdrawn.

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

See also Fig. 1-shown in Figure 3, the rotary magnetic pin nail of the utility model is to be made of a bottom 5, a magnetic patch 4, a drain pan 3, a

knob

1 and 2 assemblings of pin nail, wherein:

Bottom 5 is the tubular body of a hollow, and its internal diameter can insert and close-fitting for the cylinder of drain pan corresponding to the cylinder external diameter of drain pan inside.And for guaranteeing that bottom can be connected together with drain pan firmly, also have a plurality of ribs 51 radially in the outside of bottom, the inwall of it and drain pan is inconsistent.The circular bottom part 52 that the bottom of bottom has an external diameter to enlarge matches with the bottom opening of drain pan 3, and the opening internal diameter of bottom bottom dwindles and be formed with a step 53, is used for magnetic patch 4 face that is placed on it.This bottom 5 plays seals drain pan 3 bottom openings and the fixedly effect of magnetic patch 4, and the bottom surface of bottom 5 is smooth, makes this rotary magnetic pin nail utilize magnetic patch 4 like this and adsorbable on irony sheet material.

Drain pan 3 has the cylindrical tube chamber that can insert for pin nail, the open-top of pipe chamber, and bottom lock, and have a pin hole 33 in central authorities.The inwall symmetry both sides of pipe chamber have a guide runner 31 longitudinally respectively, move up and down along this guide runner for the housing of pin nail 2.One annular groove 32 is arranged at the top of drain pan, is used to connect knob 1.

Knob 1 is the hollow tube of two opening, and the annular groove 32 on its root edge and the drain pan is interlocked, and is and can rotates relatively.There is a thread 11 inside of knob, can screw togather with the screw thread 21 that pin nails on.

Pin nail 2 has housing and is fixed on needle body 23 on the housing, the outside of housing be shaped on one section with the knob inwall on the double thread 21 that screws togather of thread, two bar shaped projections 22 are arranged below the screw thread, corresponding to two guide runners 31 of drain pan inside.

Magnetic patch 4 is located at bottom 5 inside, between the spacing cylinder and the step of bottom at drain pan.Magnetic patch 4 central authorities have pin hole 41, corresponding to the pin hole on the drain pan cylinder 33.Be located at the pin nail 2 in the drain pan, its needle body 23 passes the

pin hole

33,41 on drain pan and the magnetic patch.

Above-mentioned each parts combination its form of back such as Fig. 4, shown in Figure 5, at this moment, needle body 23 is to shrink in the pin hole 41, and does not expose.At this moment, the utility model can be made magnet and use, and utilizes the magnetic patch 4 of its bottom to be adsorbed on the iron surface, with fixing paper.As desire to peg paper, and then only need rotate knob 1, the pin nail 2 drive lower edge guide runners 31 by knob 1 are moved down, this moment, needle body 23 stretched out outside the pin hole 41, followed closely and form as Fig. 1, pin shown in Figure 3.When withdrawing as desire, then the reverse rotation knob 1, makes to move on the needle body 23 and in the pin hole 41 of withdrawing.

That present embodiment disclosed is a kind of of preferred embodiment.But it is not limited thereto, and various remodeling can also be arranged.

Claims

1. a rotary magnetic pin is followed closely, comprise drain pan, magnetic patch is equipped with in the bottom of drain pan, it is characterized in that: described drain pan top is connected with the knob of two opening, and one is rotatable and can axially movable pin with respect to described drain pan bind in drain pan and with described knob spiral and cooperate; Described drain pan and magnetic patch correspondence have pin hole, can stretch out for the needle body that pin nails on.

2. spin magnetization pin nail as claimed in claim 1 is characterized in that: a bottom is equipped with in described drain pan bottom, and described magnetic patch is installed on the drain pan by this bottom.

3. rotary magnetic pin nail as claimed in claim 1 or 2 is characterized in that: described pin nail comprise housing and described needle body, described hull outside be shaped on one section with the knob inwall on the double thread that screws togather of thread.

4. rotary magnetic pin nail as claimed in claim 3, it is characterized in that: the both sides that are positioned at the housing outer wall below the double thread have a symmetrically arranged bar shaped projection respectively, and a guide runner that can embed for described projection is arranged respectively in the inwall both sides of described drain pan accordingly.

5. rotary magnetic pin nail as claimed in claim 3 is characterized in that: an annular groove that is used to connect knob is arranged at described drain pan top, and the root edge of knob is relative rotation with this annular groove fastening.

6. rotary magnetic pin nail as claimed in claim 4 is characterized in that: an annular groove that is used to connect knob is arranged at described drain pan top, and the root edge of knob is relative rotation with this annular groove fastening.

7. rotary magnetic pin nail as claimed in claim 6, it is characterized in that: described bottom is the tubular body of a hollow, and its internal diameter can be for inserting and close-fitting corresponding to the cylinder external diameter of drain pan inside, and a plurality of ribs are radially arranged in its outside, inconsistent with the inwall of drain pan; The circular bottom part that the bottom of bottom has an external diameter to enlarge is complementary with the bottom opening of drain pan, and the opening internal diameter of bottom bottom dwindles formation one step, and described magnetic patch is limited between drain pan and this step.