CN224161663U

CN224161663U - An outer circumferential and inner octagonal bracket for lifting fireproof roller shutters

Info

Publication number: CN224161663U
Application number: CN202520957715.XU
Authority: CN
Inventors: 王辉; 刘园; 张坡; 黄俊杰; 王聚杰
Original assignee: Henan Datang Fire Technology Co ltd
Current assignee: Henan Datang Fire Technology Co ltd
Priority date: 2025-05-15
Filing date: 2025-05-15
Publication date: 2026-04-24
Anticipated expiration: 2035-05-15

Abstract

The utility model provides an inner-excircle octagonal bracket of an octagonal scroll for a lifting fireproof roller shutter, which comprises a tray and a bracket, wherein the outer side of the tray is circular, an octagonal hole is formed in the center of the inner side of the tray, the tray is clamped on the periphery of the octagonal scroll through the octagonal hole, the tray is arranged in the bracket, the bracket comprises two fixing rods, a supporting rod and a limiting rod, limiting idler wheels are fixedly arranged in the center of the bottom end of the limiting rod, supporting idler wheels are arranged on two sides of the top end of the supporting rod, and the tray is clamped among the three idler wheels in the bracket. The octagonal bracket in the outer circle of the octagonal reel for lifting the fireproof rolling shutter can assist in lifting and lifting the octagonal reel with longer length, so that stress borne by the octagonal reel is shared, deformation caused by overlarge bearing is prevented, and the integral structure of the fireproof rolling shutter door is ensured to be stable and normally operated.

Description

Promote octagonal bracket in outer circle of octagonal spool for fire prevention rolling screen

Technical Field

The utility model belongs to the technical field of fireproof rolling shutter door equipment, and particularly relates to an outer circle inner octagonal bracket of an octagonal reel for lifting a fireproof rolling shutter.

Background

In the existing market, the reels used for rolling the roller shutter in the fireproof roller shutter door are generally round, a certain number of octagonal reels are also arranged, the octagonal reels have the characteristics of stable structure and convenient rolling, but the length of the reels used for the larger fireproof roller shutter door is longer, so that the reels are prevented from falling down due to deformation, the supporting wheels can be arranged at the middle parts of the round reels to support the round reels to prevent the round reels from deforming, and the reels with the octagonal shapes cannot be directly supported by using the tugs. Therefore, the utility model provides an octagonal bracket in the outer circle of an octagonal scroll for lifting a fireproof roller shutter, which is used for solving the problems.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model provides an octagonal bracket in the outer circle of an octagonal reel for lifting a fireproof roller shutter.

The technical scheme of the utility model is that the octagonal bracket in the excircle of the octagonal scroll for lifting the fireproof roller shutter comprises a tray and a bracket;

The outer side of the tray is circular, an octagonal hole is formed in the center of the inner side of the tray, the tray is clamped on the periphery of the octagonal scroll through the octagonal hole, and the tray is arranged in the bracket;

The bracket comprises two fixing rods, a supporting rod and a limiting rod, wherein the two fixing rods are longitudinally arranged, and the limiting rod and the supporting rod are transversely arranged between the two fixing rods from top to bottom;

the tray is clamped between three rollers in the bracket.

Furthermore, U-shaped grooves are formed in the two fixing rods in the bracket, threaded holes are formed in the two ends of the limiting rod in the bracket, bolts are arranged in the threaded holes, handles are arranged on one sides of the bolts, and the bolts penetrate through the U-shaped grooves of the fixing rods and are connected in the threaded holes of the limiting rod in a threaded mode.

Further, the thickness of the tray is 1cm.

Further, one limit roller and two support rollers in the bracket are rubber rollers, and the thickness of the limit roller, the two support rollers is 2.5cm.

Further, the two fixing rods are fixed on the top beam or the wall surface at the top end of the door opening of the roller shutter door.

Furthermore, limit grooves are formed in the limit roller and the support roller in the bracket, and the width of each limit groove is not smaller than the thickness of the tray.

The utility model has the beneficial effects that:

the octagonal bracket in the outer circle of the octagonal scroll for lifting the fireproof rolling shutter can assist in lifting and lifting the octagonal scroll (one-axis double-rolling shutter or multi-rolling shutter) with longer length for the fireproof rolling shutter, so that deformation caused by overlarge bearing is prevented, and the stability and normal operation of the integral structure of the fireproof rolling shutter door are ensured.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

Fig. 2 is an enlarged view of a portion a in fig. 1;

FIG. 3 is a schematic view of a dispersion structure according to the present utility model;

Fig. 4 is a usage state reference diagram of the present utility model.

Reference numeral 1, a tray; 2, a bracket, 3, a fixing rod, 4, a supporting rod, 5, a limiting rod, 6, a limiting groove, 7, an octagonal scroll, 8, a roller shutter, 301, a U-shaped groove, 302, a bolt, 303, a handle, 401, a supporting roller, 501 and a limiting roller.

Detailed Description

Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative, and is in no way intended to limit the utility model, its application, or uses. The present utility model may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art. It should be noted that the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments should be construed as exemplary only and not limiting unless otherwise specifically stated.

The terms "first," "second," and the like, as used herein do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises" and the like means that elements preceding the word encompass the elements recited after the word, and not exclude the possibility of also encompassing other elements. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

As shown in figures 1-4, the octagonal bracket in the outer circle of the octagonal scroll for lifting the fireproof roller shutter comprises a tray 1 and a bracket 2, wherein the outer side of the tray 1 is circular, an octagonal hole is formed in the center of the inner side of the tray 1, the tray 1 is clamped on the periphery of the octagonal scroll 7 through the octagonal hole, the tray 1 is arranged in the bracket 2, the bracket 2 comprises two fixing rods 3, one supporting rod 4 and one limiting rod 5, the two fixing rods 3 are longitudinally arranged, the limiting rod 5 and the supporting rod 4 are transversely arranged between the two fixing rods 3 from top to bottom, a limiting roller 501 is fixedly arranged in the center of the bottom end of the limiting rod 5, supporting rollers 401 are arranged on two sides of the top end of the supporting rod 4, and the tray 1 is clamped between the three rollers in the bracket 2.

Specifically, U-shaped grooves 301 are formed in two fixing rods 3 in the bracket 2, threaded holes are formed in two ends of a limiting rod 5 in the bracket 2, bolts 302 are arranged in the threaded holes, handles 303 are arranged on one sides of the bolts 302, and the bolts 302 penetrate through the U-shaped grooves 301 of the fixing rods 3 and are connected in the threaded holes of the limiting rod 5 in a threaded mode.

Specifically, the thickness of the tray 1 is 1cm.

Specifically, one limiting roller 501 and two supporting rollers 401 in the bracket 2 are rubber rollers, and the thickness of the limiting roller 501 and the two supporting rollers is 2.5cm.

Specifically, the two fixing rods 3 are fixed on the top beam or the wall surface at the top end of the door opening of the roller shutter door.

Specifically, the limiting roller 501 and the supporting roller 401 in the bracket 2 are provided with limiting grooves 6, and the width of each limiting groove 6 is not smaller than the thickness of the tray 1.

When the tray is installed and used, the tray 1 is firstly installed at the preset position of the octagonal scroll 7, the tray 1 can be directly connected in a sleeved mode or the tray 1 is divided into two halves in an average mode in advance in the installation mode, welding and splicing are carried out, then the tray 2 is moved to the bottom end of the tray 1, the limiting rod 5 in the tray 2 is moved to the highest position of the U-shaped groove 301, the two supporting rollers 401 at the bottom end in the tray 2 are attached to the bottom end of the tray 1, edge clamping of the tray 1 is guaranteed to be in the limiting grooves 6 of the two supporting rollers 401, then the top end of the tray 2 is installed and fixed on a top beam or a wall surface at the top end of a door opening, the limiting rod 5 is pressed down, the limiting groove 6 of the limiting roller 501 is guaranteed to be clamped at the edge of the top end of the tray 1, and finally the limiting rod 5 is fixed, so that installation is completed. The up-down displacement and fixation of the limit rod 5 can be completed by tightening the bolt 302, and the handle 303 of the bolt 302 can be convenient for a person to perform manual operation.

Secondly, regarding the installation position of the tray 1, when the length of the octagonal scroll 7 is too long, namely, when the fireproof rolling curtain is a one-shaft multi-rolling curtain, the tray 1 can be installed at the central position of the octagonal scroll 7 to share the stress born by the scroll and prevent the deformation of the octagonal scroll, and when the overall weight of the rolling curtain 8 is too heavy due to the too long or too heavy material of the rolling curtain 8 of the fireproof rolling curtain, two trays 1 can be arranged to cooperate with two brackets 2 to lift and lift the two ends of the octagonal scroll 7 so as to share the stress born by tail insertion and supporting plates at the two ends of the octagonal scroll 7 and enhance the overall stability of the fireproof rolling curtain 8.

According to the actual installation condition, when the tray 1 is installed at two ends of the octagonal scroll 7, the tray 1 can be directly connected in a sleeved mode and is transversely limited by the limiting grooves 6 of the three rollers, when the tray 1 is installed at the middle position of the octagonal scroll 7, the tray 1 can be split into two halves and then welded, spliced and fixed on the periphery of the octagonal scroll 7, and at the moment, the limiting grooves 6 are not needed to be arranged on the limiting rollers 501 and the two supporting rollers 401.

Thus, various embodiments of the present utility model have been described in detail. In order to avoid obscuring the concepts of the utility model, some details known in the art have not been described. How to implement the solutions disclosed herein will be fully apparent to those skilled in the art from the above description.

The above examples only represent some embodiments of the utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The outer side of the tray is circular, an octagonal hole is formed in the center of the inner side of the tray, the tray is clamped to the periphery of the octagonal scroll through the octagonal hole, and the tray is arranged in the pre-bracket;

the tray is clamped between three rollers in the bracket.

2. The octagonal bracket in the outer circle of the octagonal scroll for lifting the fireproof roller shutter, disclosed in claim 1, is characterized in that U-shaped grooves are formed in two fixing rods in the bracket, threaded holes are formed in two ends of a limiting rod in the bracket, a bolt is arranged in the threaded holes, a handle is arranged on one side of the bolt, and the bolt penetrates through the U-shaped grooves of the fixing rods and is connected in the threaded holes of the limiting rod in a threaded mode.

3. The octagonal bracket in the outer circle of the octagonal scroll for lifting the fireproof roller shutter as claimed in claim 1, wherein the thickness of the tray is 1cm.

4. The octagonal bracket in the outer circle of the octagonal scroll for lifting the fireproof roller shutter as claimed in claim 1, wherein one limiting roller and two supporting rollers in the bracket are rubber rollers, and the thickness of the limiting roller and the two supporting rollers is 2.5cm.

5. The octagonal bracket in the outer circle of the octagonal scroll for lifting fireproof roller shutter as claimed in claim 1, wherein the two fixing rods are fixed on a top beam or a wall surface at the top end of a door opening of the roller shutter.

6. The octagonal bracket in the outer circle of the octagonal scroll for lifting the fireproof roller shutter as claimed in claim 1, wherein the limiting roller and the supporting roller in the bracket are provided with limiting grooves, and the width of the limiting grooves is not smaller than the thickness of the tray.