CN2368967Y - Thermal insulation rolling shutter - Google Patents

Abstract

The utility model relates to a structural improvement of a rolling door. The utility model comprises a curtain door, a door frame and a rolling shaft. The utility model is characterized in that heat insulating materials are arranged in a curtain sheet of the curtain door, one side of the curtain sheet is provided with a hanging hook having holes, the other side of the curtain sheet is provided with an overlapping hook, and the bottom of the curtain door is provided with a counterweight. A cloth pulling belt arranged on the rolling shaft and provided with bulges is connected with a self-locking device, and the self-locking device comprises a lock box. A cloth pulling bag is fixed out of a spring rolling sheet on a shaft in the box, and the shaft at a passageway of the lock box is provided with a stop hook. The utility model has the characteristics of cold prevention, favorable ventilating effect, convenient operation, etc.

Description

The winter protection rolling-gate

The utility model relates to the improvement of rolling-gate structure.

Present rolling-gate is an one chip, has ornamental preferably, safety, but does not have heat-insulating property, therefore, uses at cold district, and its performance is unsatisfactory.

The purpose of this utility model provides a kind ofly to be had fine winter protection effect, has a rolling-gate of ventilation effect and handled easily again.

The purpose of this utility model is achieved in that the utility model comprises curtain door, doorframe, spool, its structural feature is to have heat insulating material in the curtain sheet of curtain door, one side of curtain sheet is that the opposite side of hook with hole, curtain sheet has and has contact with, and the bottom of curtain door is provided with counterweight; Lobed granny rag band links to each other with self-locking device on the spool, and self-locking device comprises lock box, and the spring roll film external fixation on the axle in the lock box has the granny rag bag, and the axle at the place, access of lock box is provided with stop hook.

Major advantage of the present utility model:

1, winter protection:

Be provided with heat insulating material in the curtain sheet of the present utility model, the cold air that just can make this curtain door intercept the external world can not be delivered to indoor, reaches winter protection effect well;

2, ventilation effect is good:

Because the side at the curtain sheet is provided with porose hook, under the effect of spool and balance weight, when the curtain door all launched, the hole on the hook exchanged the air of indoor and outdoor, reaches ventilation effect well; And can see outdoor.

3, easy to operate:

Spring roll film in the self-locking device of the present utility model can be rolled onto unnecessary granny rag band in the lock box automatically; If pull out the granny rag band in the lock box, as long as press stop hook or shake granny rag band quickly, just can be drawn out in the obstruction that is not subjected to stop hook, it is extremely convenient to operate.

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

Fig. 2 is the left view of Fig. 1;

Fig. 3 is the local enlarged diagram of the B of Fig. 1;

Fig. 4 is the sectional drawing of curtain sheet;

Fig. 5 is the structural representation of self-locking device with relevant parts;

Fig. 6 is the front view of granny rag band;

Fig. 7 is the left view of Fig. 6.

Below in conjunction with accompanying drawing concrete structure of the present utility model is described further:

The utility model comprises curtain door 7, doorframe 5, spool 8, has heat insulating material 11 in the curtain sheet 6 of curtain door 7, and a side of curtain sheet 6 is that the opposite side of hook 12 with hole 9, curtain sheet 6 has and has contact with 10, and the bottom of curtain door 7 is provided with counterweight 2; The granny rag band 4 that has projection 19 on the spool 8 links to each other with self-locking device 1, and self-locking device 1 comprises lock box 13, and spring roll film 15 external fixation on the axle 14 in the lock box 13 have granny rag band 4, and the axle 16 at 18 places, access of lock box 13 is provided with stop hook 17.

Between self-locking device 1 and the spool 8 third wheel 3 can be set so that 4 tensionings of granny rag band.

Self-locking device 1 can be arranged on the bottom or the top of doorframe 5 according to actual needs.

Narrate a course of action of the present utility model below:

When curtain door 7 rises: at first shake granny rag band 4 or stir stop hook 17, make the leading section of stop hook 17 leave granny rag band 4, promptly this moment, granny rag band 4 can voltuntary movement, descend granny rag band 4 again (meanwhile, spring roll film 15 is rolled granny rag band 4), after curtain door 7 rose to straight desired position and stops, stop hook 17 automatically reset, and granny rag band 4 is fixed;

Curtain door 7 descends: at first shake a granny rag band 4 or stir stop hook 17, make the leading section of stop hook 17 leave granny rag band 4, this moment, granny rag band 4 can voltuntary movement, drop-down counterweight 2 (meanwhile, spring roll film 15 is decontroled granny rag band 4 gradually) reach the position that needs and stop to straight curtain door 7 after, stop hook 17 automatically resets, with granny rag band 4 fixed bits.

Claims (2)

1, the winter protection rolling-gate comprises curtain door (7), doorframe (5), spool (8), it is characterized in that having heat insulating material (11) in the curtain sheet (6) of curtain door (7), one side of curtain sheet (6) is the hook (12) with hole (9), the opposite side of curtain sheet (6) has and has contact with (10), and the bottom of curtain door (7) is provided with counterweight (2); The same self-locking device of granny rag band (4) (1) that has projection (19) on the spool (8) links to each other, self-locking device (1) comprises lock box (13), spring roll film (15) external fixation on the axle (14) in the lock box (13) has granny rag band (4), and the axle (16) that the access (18) of lock box (13) is located is provided with stop hook (17).

2, winter protection rolling-gate according to claim 1 is characterized in that between self-locking device (1) and the spool (8) third wheel (3) being set.

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