CN214424358U

CN214424358U - Quick-falling buffer device for fireproof rolling shutter door

Info

Publication number: CN214424358U
Application number: CN202023051399.6U
Authority: CN
Inventors: 王鹏
Original assignee: Shenzhen Zhongxinchang Technology Co ltd
Current assignee: Shenzhen Zhongxinchang Technology Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-10-19
Anticipated expiration: 2030-12-17

Abstract

The utility model discloses a quick whereabouts buffer of fire prevention rolling slats door belongs to the fire-fighting equipment field. A buffer device for rapid falling of a fireproof rolling door comprises an upright post, wherein a second sliding chute and a third sliding chute are formed in a first sliding chute, through holes communicated with each other are formed in the upper ends of the second sliding chute and the third sliding chute, a first sliding block and a first spring are respectively installed in the second sliding chute and the third sliding chute in a sliding mode, a rope is fixed between the first sliding block and the first spring, a first clamping groove is fixed at the lower end of the first spring, a fourth sliding chute is formed in the lower ends of the second sliding chute and the third sliding chute, a second sliding block is installed in the fourth sliding chute in a sliding mode, a second spring is fixed between the rear end of the second sliding block and the fourth sliding chute, and a first clamping block and a second clamping block which are mutually clamped with the first clamping groove and the first sliding block are respectively fixed at the upper end of the second sliding block; set up first spring, when fire prevention rolling slats door is quick, can effectively cushion, avoid the door body and ground to damage.

Description

Quick-falling buffer device for fireproof rolling shutter door

Technical Field

The utility model relates to a fire-fighting equipment field, more specifically say, relate to a buffer falls fast of fire prevention rolling slats door.

Background

The fireproof rolling door is an indispensable fireproof facility in modern high-rise buildings, has the special functions of fire prevention, smoke isolation, fire spread inhibition and personnel evacuation protection besides the function of a common door, and is widely applied to occasions with dense personnel, such as high-rise buildings, superstores and the like; however, the existing fire-proof rolling door still has obvious defects, for example, when a fire occurs, the fire-proof rolling door can fall quickly, and because the falling speed of the fire-proof rolling door is high, the impact force is strong, the fire-proof rolling door and the ground are easily damaged; in view of this, we propose a rapid-falling buffer device for a fire-proof rolling door.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide a buffer falls fast of fire prevention rolling slats door to solve the problem that proposes among the above-mentioned background art.

2. Technical scheme

A buffer device for the rapid falling of a fire-proof rolling shutter door comprises upright posts, wherein the upright posts are arranged at the left and right, a door body is arranged between the two upright posts, baffle plates are fixed on the inner end faces of the upright posts, the baffle plates are arranged at the front and the back, the two baffle plates are respectively arranged at the front and the back of the door body, a first sliding groove is formed between the two baffle plates, a second sliding groove and a third sliding groove are arranged in the first sliding groove, the outer end of the second sliding groove is communicated with the first sliding groove, the upper ends of the second sliding groove and the third sliding groove are provided with through holes which are mutually communicated, a first sliding block and a first spring are respectively arranged in the second sliding groove and the third sliding groove in a sliding manner, a rope is fixed between the first sliding block and the first spring, the rope passes through holes, the front ends of the first sliding block are fixed at the lower sides of the left and the right ends of the door body, and the lower ends of the first spring are fixed with a first clamping groove, the second sliding groove and the lower end of the third sliding groove are provided with a fourth sliding groove, a second sliding block is arranged in the fourth sliding groove in a sliding mode, a second spring is fixed between the rear end of the second sliding block and the fourth sliding groove, and a first clamping block and a second clamping block which are mutually clamped with the first clamping groove and the first sliding block are fixed at the upper end of the second sliding block respectively.

Preferably, the through hole is rotatably provided with a roller.

Preferably, a fifth sliding groove is formed in the rear end of the fourth sliding groove, a third sliding block matched with the fifth sliding groove is fixed to the rear end of the second sliding block, and the fifth sliding groove and the third sliding block are communicated with the outside.

Preferably, first slider and first draw-in groove all are the setting of I shape.

Preferably, the length of the rope is matched with the length of the door body.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses set up first spring to connect in the one end of the door body through the rope, when the quick whereabouts of the door body, through the first spring of rope pulling, first spring deformation provides opposite effort, thereby the buffering door body whereabouts, protects the door body and ground.

2. The utility model discloses set up the second slider, when the door body falls the stand lower extreme, the second slider slides forward, loosens first spring, and first spring resumes deformation and upward movement for the door body is laminated with ground completely, prevents effectively that toxic gases such as carbon monoxide from spilling over, moreover, reduces the tensile time of first spring, avoids the long-time deformation of first spring, leads to its production plastic deformation, improves its life.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the column structure of the present invention;

FIG. 3 is a schematic view of the structure of the column of the present invention when falling;

FIG. 4 is a schematic structural view of the column of the present invention when it falls to the ground;

fig. 5 is a schematic structural view of a second slide block of the present invention;

the reference numbers in the figures illustrate: 1. a door body; 2. a column; 3. a baffle plate; 4. a first chute; 5. a second chute; 6. a second spring; 7. a first slider; 8. a second fixture block; 9. a through hole; 10. a rope; 11. a first spring; 12. a first card slot; 13. a third chute; 14. a fifth chute; 15. a third slider; 16. a roller; 17. a second slider; 18. a first clamping block; 19. and a fourth chute.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides a technical solution:

a buffer device for the rapid falling of a fireproof rolling shutter door comprises upright posts 2, the upright posts 2 are arranged at the left and the right, a door body 1 is arranged between the two upright posts 2, baffle plates 3 are fixed on the end faces of the inner sides of the upright posts 2, the baffle plates 3 are provided with a front baffle plate and a rear baffle plate, the two baffle plates 3 are respectively arranged at the front and the rear sides of the door body 1, a first chute 4 is formed between the two baffle plates 3, a second chute 5 and a third chute 13 are arranged in the first chute 4, the outer end of the second chute 5 is communicated with the first chute 4, the upper ends of the second chute 5 and the third chute 13 are provided with through holes 9 which are mutually communicated, a first slide block 7 and a first spring 11 are respectively arranged in the second chute 5 and the third chute 13 in a sliding mode, a rope 10 is fixed between the first slide block 7 and the first spring 11, the rope 10 passes through the through holes 9, the front end of the first slide block 7 is fixed at the lower sides of the left and the right ends of the door body 1, first spring 11 lower extreme is fixed with first draw-in groove 12, fourth spout 19 has been seted up to second spout 5 and third spout 13 lower extreme, slidable mounting has second slider 17 in the fourth spout 19, be fixed with second spring 6 between second slider 17 rear end and the fourth spout 19, second slider 17 upper end is fixed with respectively with first draw-in groove 12, the mutual first fixture block 18 of joint of first slider 7, second fixture block 8.

Specifically, the through hole 9 is rotatably provided with a roller 16.

Furthermore, a fifth sliding groove 14 is formed in the rear end of the fourth sliding groove 19, a third sliding block 15 matched with the fifth sliding groove 14 is fixed to the rear end of the second sliding block 17, and the fifth sliding groove 14 and the third sliding block 15 are communicated with the outside.

Still further, the first sliding block 7 and the first clamping groove 12 are both in an i-shaped arrangement.

Further, the length of the rope 10 is matched with that of the door body 1.

The working principle is as follows: when the door body 1 falls, the two ends of the door body 1 stretch the first spring 11 through the first sliding block 7 and the rope 10, the first spring 11 deforms to generate an acting force opposite to the falling direction of the door body 1, so that the falling of the door body 1 is buffered, the door body and the ground are protected, when the door body 1 falls to the lower end of the upright post 2, the first sliding block 7 is contacted with the second clamping block 8 at the upper end of the second sliding block 17, the second sliding block 17 moves forwards to drive the first clamping block 18 at the upper end of the second sliding block to move forwards, so that the first clamping block 18 is clamped and connected with the first clamping groove 12 at the lower end of the first spring 11 to be released, the first spring 11 recovers deformation and moves upwards, due to the loss of the limit of the elasticity of the first spring 11, the door body 1 naturally falls and is attached to the ground, thereby avoiding the overflow of toxic gases such as carbon monoxide and the like generated by fire, and also avoiding the long-time deformation of the first spring 11, which causes the plastic deformation, the service life of the device is prolonged; in the process, because of the buffering process, when the door body 1 is in contact with the ground, the door body and the ground cannot be damaged;

when the fire is over and the door body 1 needs to be opened, the third sliding block 15 is pushed forward, so that the second clamping block 8 is clamped and separated with the first sliding block 7, the door body 1 is lifted to the highest point, the first spring 11 is placed down to the lowest point through the rope 10, the first clamping groove 12 at the lower end of the first spring 11 is clamped with the first clamping block 18 at the upper end of the second sliding block 17, and the initial state is recovered.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a fire prevention rolling slats door buffer that falls fast, includes stand (2), its characterized in that: the two upright columns (2) are arranged on the left and right, a door body (1) is arranged between the two upright columns (2), baffle plates (3) are fixed on the inner side end faces of the upright columns (2), the two baffle plates (3) are arranged at the front and the back, the two baffle plates (3) are respectively arranged at the front and the back of the door body (1), a first sliding groove (4) is formed between the two baffle plates (3), a second sliding groove (5) and a third sliding groove (13) are formed in the first sliding groove (4), the outer end of the second sliding groove (5) is communicated with the first sliding groove (4), through holes (9) which are communicated with each other are formed in the upper ends of the second sliding groove (5) and the third sliding groove (13), a first sliding block (7) and a first spring (11) are respectively installed in the second sliding groove (5) and the third sliding groove (13) in a sliding manner, and a rope (10) is fixed between the first sliding block (7) and the first spring (11), rope (10) pass through-hole (9), both ends downside about first slider (7) front end is fixed in the door body (1), first spring (11) lower extreme is fixed with first draw-in groove (12), fourth spout (19) have been seted up with third spout (13) lower extreme in second spout (5), slidable mounting has second slider (17) in fourth spout (19), be fixed with between second slider (17) rear end and fourth spout (19) second spring (6), second slider (17) upper end is fixed with first fixture block (18), second fixture block (8) with first draw-in groove (12), the mutual joint of first slider (7) respectively.

2. A fire protection rolling door rapid fall buffering device according to claim 1, characterized in that: and the roller (16) is rotatably arranged in the through hole (9).

3. A fire protection rolling door rapid fall buffering device according to claim 1, characterized in that: a fifth sliding groove (14) is formed in the rear end of the fourth sliding groove (19), a third sliding block (15) matched with the fifth sliding groove (14) is fixed to the rear end of the second sliding block (17), and the fifth sliding groove (14) and the third sliding block (15) are communicated with the outside.

4. A fire protection rolling door rapid fall buffering device according to claim 1, characterized in that: the first sliding block (7) and the first clamping groove (12) are arranged in an I shape.

5. A fire protection rolling door rapid fall buffering device according to claim 1, characterized in that: the length of the rope (10) is matched with that of the door body (1).