CN2183435Y

CN2183435Y - Anti-explosion roll-type brake

Info

Publication number: CN2183435Y
Application number: CN 93247611
Authority: CN
Inventors: 翟西民; 翟继成; 翟占峰; 于广平
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-12-15
Filing date: 1993-12-15
Publication date: 1994-11-23
Anticipated expiration: 2003-12-15

Abstract

The utility model relates to a winding roller blind. A control wheel and a control mechanism are additionally arranged on the basis of an existing winding brake blind, and a tension spring is arranged on the lower corner of the winding brake blind. Under the action of the control mechanism, the winding brake blind is quickly pulled down by the tension spring, so that criminals are obstructed, and crime is stopped. The device is convenient to install, and the operation is divided into manual and electric two kinds. The utility model has the advantages of broad adaptability, safety, good action invisibility, high closing speed and strong anti-snatch capability, and can carry out effective protection to personal safety and public funds.

Description

Anti-explosion roll-type brake

The utility model relates to a kind of winding up roller window shade, specifically a kind of roll-type protection window shade that is used for opening.

At present the Anti-theft rolling door of installing is a kind of device of being made up of winding up roller, rolling screen, for ease of carrying the impulse force that eases up when sweeping away on the rolling screen, also often installs buffer spring at winding up roller one end.This volume brake mechanism generally be used to the shop of preventing, the robber after closing invade.And bank's robbery with violence case generally is to occur in the business hours, and to this, the effect of Anti-theft rolling door does not then obtain performance.And because existing anti-riot measure such as guardrail, the alarm etc. in savings department of a bank; it is very little that armed ruffian's prestige is taken the photograph use; can not react rapidly with protection life and fund security; therefore the case of robbery with violence bank is in rising trend; had a strong impact on the operate as normal order of savings department of a bank, state fund is on the hazard.

The purpose of this utility model just provides a kind of anti-riot fast and effectively protective device, and protection fund and personal life security take place with timely prevention criminal offence.

The utility model is achieved in that winding up roller one end of volume on the lock still is equipped with buffer spring, and two inferior horns of the rolling screen that joins with winding up roller join with two tension springs respectively, and the winding up roller other end is equipped with the control wheel, and this control wheel and controlling organization join.

This Anti-explosion roll-type brake is installed on the roof of sales counter top, savings bank, rolling screen can be down to the table top of sales counter, thus can be outside sales counter with criminal's barrier, and can't see the situation of looking into the sales counter back because of it, the gun shooting can't be accurately used, thereby crime can be ended effectively.If locate all to install this Anti-explosion roll-type brake at sales counter and door and window etc., then criminal can be stranded in the business hall, treat that the public security officer comes it is caught.Utilize the volume lock to carry out anti-riot technical difficulty and be on the falling speed and mode of rolling screen that this is the key issue that needs solution.If falling speed is slow, then leave the sufficient time that shooting is hurted sb.'s feelings or run away to criminal; And if the action of doff lock is too obvious, then may not implement the behavior.For this reason, the employing of this device is adorned tension spring down and is rolled up the whereabouts manipulation of lock with control wheel, controlling organization, thereby has solved an above-mentioned difficult problem effectively.

Below in conjunction with accompanying drawing the utility model is further described.

Fig. 1 is a kind of example structure schematic diagram.

Fig. 2 is a controlling organization medium power part component diagram.

Fig. 3 is the buffer spring drawing of site on the volume lock.

Fig. 4 is second kind of example structure schematic diagram.

Fig. 5 is the structural representation of controlling organization.

Embodiment 1: as shown in Figure 1, 2, 3, winding up roller 16 is positioned at the middle part of volume fuse-box 13, and joins with rolling screen 17.Buffer spring 14 is a clockwork spring, is contained in winding up roller 16 terminations of volume fuse-box one side, and the winding up roller other end is equipped with the control wheel 12 and the controlling organization of control winding up roller rotation.Two inferior horns at the rolling screen 17 that joins with winding up roller 16 connect two tension springs 15 respectively, and this spring is clockwork spring energetically, the bottom of its two inferior horns correspondence position when being positioned rolling screen and dropping to the end.If this Anti-explosion roll-type brake promptly is installed above sales counter, then two tension springs can be fixed in sales counter table top bottom, and spring external part and rolling screen inferior horn join.When rolling screen was rolled, tension spring was stretched to maximum position, this moment its pulling force maximum, rolling screen is spacing by control wheel.When the control wheel discharged, rolling screen promptly can be left behind rapidly.Generally can within a second, finish the action of falling to putting in place, get final product fast reaction thus, cut off criminal, play a protective role.

In the present embodiment, control wheel 12 is a sprocket wheel, and controlling organization is with electronic lifting rolling screen and manually reaches the composite set that automatic control triggers.Specifically be exactly to control sprocket wheel 12 to connect another sprocket wheel 11, and also be socketed with clutch 10 and compression spring 9 on the mandrel of sprocket wheel 11 sockets, and key connects sprocket wheel 5 by chain.Fluted on the clutch 10, an end of the shift fork 8 on the operating mechanism is inserted in the groove.Sprocket wheel 5 is connected with sprocket wheel 4 chains, and the worm gear 3 coaxial with sprocket wheel 4 is meshed with worm screw 2.Motor 1 connects worm shaft by shaft coupling, for worm screw provides rotary power.When driving worm and gear, rotates electric motor starting, chain drive, and the clutch that is compressed by compression spring drives sprocket wheel 11 rotations that connect with axle sleeve, again by chain drive, makes winding up roller 16 actions, overcomes the active force of tension spring, the lifting rolling screen.After motor stops, under the check principle effect that worm and gear is paid, making the rolling screen location.

Sprocket wheel 11 is special-shaped sprocket wheel, and enclosing within it has a circle double wedge on the sidewall, and clutch 10 and sprocket wheel 11 relative one sides have one to enclose the double wedge that is meshed with sprocket wheel 11 sidewall double wedges.Clutch operating device comprises shift fork 8, electromagnetic valve 7 and manual control handle 6.Shift fork 8 is V-shape, and its bottom is fixed, two external parts, one termination electromagnetic valve 7, and the other end is by the moving control handle 6 of rope catcher.Rope is preferably selected oil thread rope for use for flexible strand.After pressing emergency push button switch, the charged action of electromagnetic valve, clutch 10 is pushed in the 8 counterclockwise deflections of pulling shift fork aside, and then two sprocket wheels 11,12 are released, and tension spring 15 effects are left behind rolling screen rapidly.Because therefore staff's control button can be finished hidden, the unexpected curtain that draws automatically and move, and makes criminal be difficult for realizing in advance.Stopping under the powering-off state, can utilize the decline of manual control handle operation rolling screen.Promptly press down control handle, oil thread rope drives the upper arm end deflection of shift fork 8, pushes clutch 10 aside, makes the rolling screen action.

This Anti-explosion roll-type brake device also is suitable for installing at positions such as door and windows, and when normally using, the men hoisting of every day, the work of the existing rolling screen of leaving behind have been exempted in available electric control control, realize the equipment automation.

Embodiment 2: shown in Fig. 4,5, and basic identical with embodiment 1 of volume lock in this device part, difference is that control takes turns and controlling organization.Wherein control wheel 12 is a ratchet, and ratchet 18 cooperates with it.The rear end of ratchet 18 connects electromagnetic valve 7, and also by the moving control handle 6 of rope catcher.Automatically all identical in the controlling organization with embodiment 1 with the manual operation form.After the controlling organization action, the rear end of ratchet 18 is pulled, and ratchet is thrown off, and ratchet discharges, and rolling screen 17 is fallen under tension spring 15 effects fast, sealing sales counter or door and window, and buffer spring 14 relaxes its impact force when rolling screen falls.Tension spring also all can be selected for use and preceding identical Mainspring type spring with the buffering spring.Latch 19 is also installed at middle part, lower edge at rolling screen 17, with automatic blocking when rolling screen is fallen the end, prevents to draw back.

When this volume brake gear is opened after falling once more, just need continue to use traditional men hoisting mode and move, should discharge simultaneously manually or motor switch, use the ratchet automatic spacing.Also can design handle a kind of and the band ratchet that winding up roller joins, pull rolling screen with this and progressively promote.

The utility model is easy for installation, and operation has manual, electronic two kinds, and wide adaptability is safe and reliable, the action good concealment, and speed in a closed circuit is fast, and anti-snatch ability is strong, can implement protection effectively to personal safety and state fund.

Claims

1, a kind of Anti-explosion roll-type brake, winding up roller 16 1 ends in the volume lock are equipped with buffer spring 14, two inferior horns that it is characterized in that the rolling screen 17 that joins with winding up roller 16 join with two tension springs 15 respectively, at the other end of winding up roller 16 control wheel 12 are housed, and this control wheel and controlling organization join.

2, Anti-explosion roll-type brake according to claim 1, it is characterized in that control wheel 12 is sprocket wheel, this sprocket wheel connects another sprocket wheel 11 by chain, with also be socketed with clutch 10 and compression spring 9 on the mandrel of sprocket wheel 11 sockets, and key connects sprocket wheel 5, and is fluted on the clutch 10, one end of the shift fork 8 on the operating mechanism is inserted in the groove, sprocket wheel 5 is connected with sprocket wheel 4 chains, and the worm gear 3 coaxial with sprocket wheel 4 is meshed with worm screw 2, and motor 1 provides the worm screw rotary power.

3, Anti-explosion roll-type brake according to claim 2 is characterized in that having on the inner ring sidewall of sprocket wheel 11 a circle double wedge, the double wedge that clutch 10 relative one sides have a circle to be meshed with sprocket wheel 11 sidewall double wedges.

4, Anti-explosion roll-type brake according to claim 2, it is characterized in that clutch operating device comprises shift fork 8, electromagnetic valve 7 and manual control handle 6, shift fork 8 is V-shape, and its bottom is fixed, two external parts, one termination electromagnetic valve 7, the other end is by the moving control handle 6 of rope catcher.

5, Anti-explosion roll-type brake according to claim 1 is characterized in that control wheel 12 is ratchet, and ratchet 18 cooperates with it, and the rear end of ratchet 18 connects electromagnetic valve 7, and also by the moving control handle 6 of rope catcher.

6, Anti-explosion roll-type brake according to claim 5 is characterized in that latch 19 is equipped with at the middle part, lower edge of rolling screen 17.