CN201406908Y - All-plastic simple seal lock - Google Patents

Abstract

An all-plastic simple seal lock comprises a lock body and a lock belt. One end of the lock belt is connected with the lock body, the lock belt has a slender rod shape, a conical platform is arranged at the front part of the lock belt, a plurality of cylindrical prismatic platforms with well-rounded front ends are spacedly arranged on the lock belt at the sites positioned on the rear side of the conical platform, the lock body has a hollow cavity, a convex platform with a conical through hole is fixed inside the hollow cavity, and more than two notches are arranged on the convex platform alongthe circumferential direction thereof. The all-plastic simple seal lock has the advantages of simple and reliable structure, good non-return property and low cost; and can be widely used for sealing the opening of a container or a bag.

Description

The all-plastic sealing lock

Technical field

The utility model relates to a kind of sealing lock that uses in the goods encapsulation.

Background technology

Sealing lock is widely used in the encapsulation of goods.The primary structure of the existing a kind of sealing lock that generally uses is: an end of a lock band is fixed on the lock body, has lockhole on the lock body, is provided with locking mechanism in the lockhole.This kind sealing lock will be locked band and pass lockhole in use, tapered end can be locked by locking mechanism.The intensity and the reliability of this sealing lock are better, but the locking mechanism structure in its lock body is complicated, and processing cost is higher, because sealing lock all is disposable use usually, therefore, the use cost of above-mentioned existing this sealing lock is higher relatively.

The utility model content

The purpose of this utility model is to provide a kind of all-plastic sealing lock simple in structure, and its cost of manufacture is cheaper.

For achieving the above object, the utility model adopts following scheme: the all-plastic sealing lock, include lock body, lock band, one end of lock band links to each other with lock body, and the lock band is for elongated shaft-like, and the front portion that lock is with has a frustum, lock band is positioned on the position of frustum rear side the terrace with edge that some cylindric and front ends have fillet that is furnished with at interval, lock body has a cavity, is fixed with a boss that has a conical through-hole in this cavity, has two on the boss with its circumferential uniform breach of upper edge.

The sealing lock that the utility model provides passes frustum in use from the conical through-hole that boss had, the lock band forms closed-loop with lock body, and locks band and can't withdraw from from boss again, can finish and execute envelope.Formed under the state of closed-loop with lock body at the lock band, be with an end that passes boss to drag zipper belt from lock again, closed-loop is dwindled again.

The utility model is simple in structure, reliable, and its retaining is good, and with low cost, can be widely used in container and pocket tying execute envelope.

Description of drawings

The structural representation of Fig. 1 the utility model one embodiment;

The A of Fig. 2 Fig. 1 is to view.

The specific embodiment

Further specify the utility model below in conjunction with embodiment and accompanying drawing.

Referring to Fig. 1

This all-plastic sealing lock includes lock body 4, lock is with 1, lock is connected as one with 1 a end and lock body 4, lock is elongated shaft-like with 1, lock has a frustum 2 with 1 front portion, lock is with the 1 some columned terrace with edges 3 that are furnished with that are positioned on the position of frustum 2 rear sides at interval, lock body 4 has a cavity, is fixed with a boss 5 that has a conical through-hole 5a in this cavity.

Referring to Fig. 1, Fig. 2

Have two on the boss 5 with its circumferential uniform breach 5b of upper edge, breach 5b is four in the present embodiment.On lock body 5, be connected with a slice thin plate 6.The effect of thin plate 6 is marks such as Description of Goods, goods number of printing owner of cargo's title thereon, being executed envelope.Be connected with gusset 7 at lock body 4 and 5 of boss in addition.

As seen from Figure 1, will lock and be with 1 to be bent downwardly, and make it be upward through conical through-hole 5a from the below then, strut after boss 5 passes conical through-hole 5a at frustum 2, boss 5 recovers to shrink, and lock is with 1 can't withdraw from from boss 5 again, lock is with 1 to form closed-loops with lock body 4, promptly finishes and executes envelope.Formed under the state of closed-loop with lock body 4 with 1 at lock, dragged zipper belt from lock with 1 end that passes boss 5 again, the terrace with edge 3 that can make frustum 2 rears dwindles closed-loop one by one by boss 5 again.In addition, the material of this all-plastic sealing lock is plastics and is an integrated member.

Claims (3)

1, all-plastic sealing lock, include lock body, lock band, one end of lock band links to each other with lock body, it is characterized in that: lock band is for elongated shaft-like, the front portion of lock band has a frustum, and the lock band is positioned on the position of frustum rear side the terrace with edge that some cylindric and front ends have fillet that is furnished with at interval, and lock body has a cavity, in this cavity, be fixed with a boss that has a conical through-hole, have two on the boss with its circumferential uniform breach of upper edge.

2, all-plastic sealing lock according to claim 1 is characterized in that: be connected with a slice thin plate on lock body.

3, all-plastic sealing lock according to claim 1 is characterized in that: be connected with gusset between lock body and boss.

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