CN103670242B - An anti-theft guardrail switch with tension spring - Google Patents

Abstract

The invention relates to the field of mechanical structures, in particular to an anti-theft guardrail switch with a tension spring and a manufacturing method thereof, wherein the anti-theft guardrail switch comprises a shell, a zipper, the tension spring and alarm equipment, wherein the shell is a rectangular shell, and mounting convex points and mounting holes are arranged on the shell; the shell is internally provided with a tension spring, a zipper, alarm equipment and a contact switch thereof, the zipper is pulled by external force, the contact switch sends an alarm signal to the connected alarm equipment, the external force is lost, the tension spring retracts back, and the contact switch resets and enters a standby state. The guardrail switch is installed on the wall bodies on the left side and the right side of the window, the alarm host connected with the guardrail switch can send alarm information according to a set alarm program, and the guardrail switch can form an internet of things through a communication network to realize remote control.

Description

An anti-theft guardrail switch with tension spring

technical field

The invention relates to the field of mechanical structures, in particular to an anti-theft guardrail switch with a tension spring.

Background technique

The balconies and windows of existing buildings basically use fence-type anti-theft windows as shrouded protection and anti-theft. Although they can play a part in anti-theft, there are also multiple disadvantages: first, the protective fence is not strong, and the thief is easy to pick it up in a few minutes. The inside is cut off, pulled off, etc., and then drilled in to steal; second, the fixed fence often becomes a tool for thieves to climb buildings, causing safety threats or property losses or even life injuries to upper-level residents, thus causing conflicts among neighbors and affecting Social harmony; Third, if the fence-type protective device of the fixed connector is installed outside the building wall of the bottom layer, if the windows of the high-rise are not effectively protected, it will easily become the target of thieves. Therefore, many multi-storey houses, Guardrails/anti-theft windows are installed from the first floor to the top floor, which gives people a sense of depression. Everyone lives in an iron cage, which affects the quality of life; fourth, the fixed fence-type anti-theft windows also affect the appearance of the building, especially It is a tourist city, and the building windows on both sides of the street are all covered by iron fences, which seriously affects the city appearance and city appearance, and also leaves tourists with the impression of poor public security, which affects the mood of tourists; fifth, if a fire occurs in a building, it will endanger many Accidents of life and property safety of the entire building require the evacuation and rescue of the people in the building from other passages. Since the fixed protective device seals the entire window and balcony firmly, the people in the building cannot pass through the windows. Or evacuation or escape at the balcony, and outside rescuers cannot enter to rescue people and provide disaster relief, so there is a major safety hazard; sixth, because the fixed guardrail body is not movable, it is not possible to install an alarm switch linked with the guardrail. Thieves give timely warning.

Contents of the invention

In order to solve the above-mentioned technical problems, the object of the present invention is to provide an anti-theft guardrail switch with a tension spring for use with an active anti-theft guardrail that can alarm under the pull of an external force. It is enough to block the entry position of the window, so the height of the guardrail can be 20-50cm to have a blocking effect. When climbing or hanging, etc., when you want to enter the room from the window and steal, etc., the guardrail is connected with a tension spring. The anti-theft guardrail switch will trigger the connected alarm device, which can automatically alarm, effectively warn/stop the theft and immediately prompt to catch the thief; because the guardrail switch is installed on the guardrail, it can alarm in time, so it does not need to cover the window as a whole to prevent it The function of the alarm, it is convenient to enter and exit the window in an emergency, and does not endanger the existing building window as a safe evacuation channel and rescue and disaster relief, which solves the shortcomings of the existing fixed closed protective device.

The technical scheme that the present invention adopts is as follows:

An anti-theft guardrail switch with an extension spring, comprising a casing, a zipper, an extension spring and an alarm device, is characterized in that:

The shell is a rectangular shell, the outer upper and lower sides of the shell are provided with mounting bumps, and the mounting bumps are provided with mounting holes;

A tension spring is arranged inside the shell, the rear end of the tension spring is fixed on the rear wall of the shell, a baffle plate is arranged on the hook at the front end of the tension spring, and the hook is connected to the zipper;

One end of the zipper is connected to a tension spring hook, and then protrudes a certain distance through the zipper hole on the front wall of the housing;

The shell is provided with an alarm device, the alarm device is arranged on the upper part of the tension spring, the contact switch of the described alarm device is arranged on the upper part of the zipper close to the zipper hole, when the zipper is pulled by an external force, the extension spring connected to it stretches outwards and pulls the zipper. When the baffle plate at the front end of the spring touches the contact switch, the contact switch sends an alarm signal to the connected alarm equipment, and when the external force is lost, the extension spring retracts to a position, and the contact switch resets and enters a standby state.

Preferably, the alarm device includes a normally open contact switch, an on-site alarm or a wireless transmitter connected to the contact switch, and a wireless alarm connected to the wireless transmitter.

Further, the outer side wall of the shell is provided with a horn hole, and the inward side is an opening, and the installation bumps are arranged on the upper and lower sides of the opening, and the installation bumps are provided with installation holes .

The invention also discloses a method for manufacturing an anti-theft guardrail switch with a tension spring, which includes the following processes and steps:

1) The shell is obtained by stamping a metal plate. The shell is a rectangular shell with five sides. The outer walls of the upper and lower sides of the opening are respectively provided with mounting bumps, and mounting holes are provided on the mounting bumps; There are several speaker holes on the side wall; there are zipper holes on the front side wall of the shell;

2) An extension spring is arranged in the casing, the rear end of the extension spring is fixed on the rear wall of the casing, a baffle is arranged on the hook at the front end of the extension spring, and the hook is connected to the zipper;

3) Use a return-shaped chain as a zipper, and one end of the zipper is connected to a tension spring hook, and then extends a certain distance through the zipper hole on the front wall of the housing;

4) An alarm device is arranged in the shell, the alarm device is arranged on the top of the extension spring, and the normally open contact switch of the alarm device is arranged on the top of the slide fastener near the hole of the slide fastener;

5) The contact switch is connected to the on-site alarm or wireless transmitter, and the wireless transmitter is then connected to the wireless alarm;

6) Working principle: When the zipper is pulled by external force, the extension spring connected to it stretches outwards, the baffle at the front end of the extension spring touches the contact switch, the contact switch sends an alarm signal to the connected alarm, and the connected alarm receives Immediately after the alarm signal is received, the on-site sound and light alarm and/or call the alarm and/or take pictures/transmit images on the scene, lose the external force, retract the tension spring, reset the contact switch and enter the standby state.

The anti-theft guardrail switch with tension spring provided by the present invention is used to be installed on the walls on both sides of the window of the building. Installed parallel to the surface, it will not affect the window sills for growing flowers or drying things, and can also prevent flower pots and other objects from falling. When the guardrail is pulled by external force, the guardrail connected to the anti-theft guardrail switch with tension spring will tilt outward, and the zipper will pull the inside of the shell The extension spring, the baffle pushes against the touch switch, the switch is turned on, and the connected alarm equipment starts to start the alarm program and sends out an alarm signal. The anti-theft guardrail using the anti-theft guardrail switch with tension spring is only for special protection of the entry position of the window, so it will not affect the lighting of the window, will not block the line of sight, and will not feel like a cage. Personnel can take the initiative to turn on the alarm, prompt others to rescue, and escape from here conveniently. Rescue personnel can also easily enter the room from here to rescue people and rescue disasters; if a thief climbs and pulls or hangs and tramples, the force on the guardrail body will pull the tension spring Turn on the alarm switch in time, and the alarm equipment can send out sound and light alarms and/or dial telephone alarms on the spot, and can also transmit wireless alarm signals and/or shoot/transmit live events on the spot at the same time; the guardrails installed on the windowsill can also prevent flower pots from falling Falling and preventing accidental falling of people and objects from high altitude; the window anti-theft alarm guardrail with tension spring anti-theft guardrail switch can be made into an antique shape, beautiful, anti-theft, anti-climbing effect is good, can enhance the overall image of the entire building, beautify Environment; because of the anti-climbing function, the lower layer is installed and the upper layer is safer; it can be widely used in building balconies, window anti-climbing, and anti-theft. It has both anti-theft protection and escape functions.

Description of drawings

Fig. 1 is the front view structure schematic diagram of the present invention;

Fig. 2 is a schematic diagram of the right view structure of Fig. 1;

Fig. 3 is a schematic diagram of the front view structure of the opening surface of the present invention;

Fig. 4 is a schematic structural diagram of the state of opening the alarm switch in Fig. 3;

Fig. 5 is a schematic diagram of the three-dimensional structure of Fig. 3;

Fig. 6 is a schematic diagram of a part of the three-dimensional structure of the anti-theft guardrail switch with a tension spring connected to the anti-theft guardrail installed on the window of the present invention;

Fig. 7 is a front view structure diagram of the anti-theft guardrail installed with the anti-theft guardrail switch with tension spring in the window of the present invention.

Among them: 1-shell, 2-zipper, 3-installation bump, 4-horn hole, 5-installation hole, 6-zipper hole, 7-contact switch, 8-baffle plate, 9-extension spring, 10-alarm Equipment, 11-horn, 12-guardrail, 13-guardrail side frame, 14-guardrail bottom frame, 15-hinge, 16-window sill, 17-side wall.

Detailed ways

The present invention will be further elaborated below in conjunction with the accompanying drawings and embodiments.

Embodiment, as shown in Figure 1-4: the embodiment of the present invention provides an anti-theft guardrail switch with a tension spring, including a housing 1, a zipper 2, a tension spring 9 and an alarm device, characterized in that:

The shell 1 is a rectangular shell, the outer upper and lower sides of the shell 1 are provided with mounting bumps 3, and the mounting bumps 3 are provided with mounting holes 5;

The shell 1 is provided with an extension spring 9, the rear end of the extension spring 9 is fixed on the rear wall of the shell 1, and the hook at the front end of the extension spring 9 is provided with a baffle plate 8, and the hook is connected to the zipper 2;

The zipper 2 is a return-shaped chain, and one end of the zipper 2 is connected to the hook of the tension spring 9, and then stretches out a certain distance through the zipper hole 6 on the front wall of the housing 1;

The shell 1 is provided with an alarm device 10, the alarm device 10 is arranged on the top of the tension spring 9, the contact switch 7 of the described alarm device 10 is arranged on the top of the slide fastener 2 close to the slide fastener hole 6, the slide fastener 2 is pulled by external force, and it is connected The extension spring 9 extends outwards, and the baffle plate 8 at the front end of the extension spring 9 touches the contact switch 7, and the switch sends an alarm signal to the connected alarm, and when the external force is lost, the extension spring 9 retracts to a position, and the contact switch 7 Reset and go to standby.

Preferably, the alarm device 10 includes a normally open contact switch 7, an on-site alarm or a wireless transmitter connected to the contact switch 7, and a wireless alarm connected to the wireless transmitter.

Further, the outward side wall of the housing 1 is provided with a horn hole 4, and the inward side is an opening, and the installation bumps 3 are arranged on the upper and lower sides of the opening, and the installation bumps 3 are Mounting holes 5 are provided.

This embodiment also discloses a method for manufacturing an anti-theft guardrail switch with a tension spring, including the following processes and steps:

1) The shell 1 is obtained by stamping a metal plate, or can be obtained by injection molding of engineering plastics. The shell 1 is a rectangular shell with five sides, and the outer walls of the upper and lower sides of the opening are respectively provided with mounting bumps 3. The bump 3 is provided with a mounting hole 5; the outer side wall of the housing 1 is provided with several horn holes 4, so that the internal horn 11 can make a sound; the front side wall of the housing 1 is provided with a zipper hole 6;

2) An extension spring 9 is set in the shell 1, the rear end of the extension spring 9 is fixed on the rear wall of the shell 1, a baffle plate 8 is set on the hook at the front end of the extension spring 9, and the hook is connected to the slide fastener 2;

3) Make the zipper 2 with the back-shaped chain, connect the extension spring 9 hooks at one end, and then stretch out a certain distance through the zipper hole 6 on the front wall of the shell 1;

4) Alarm device 10 is set in shell 1, and alarm device 10 is arranged on extension spring 9 top, and the normally open contact switch 7 of described alarm device 10 is arranged on slide fastener 2 top near slide fastener hole 6;

5) The contact switch 7 is connected to the on-site alarm or the wireless transmitter, and the wireless transmitter is then connected to the wireless alarm;

6) Working principle: when the zipper 2 is pulled by an external force, the extension spring 9 connected to it stretches outward, and the baffle plate 8 at the front end of the extension spring 9 touches the contact switch 7, and the contact switch 7 sends an alarm signal to the connected alarm device. After the alarm device receives the alarm signal, it immediately performs on-site sound and light alarm and/or dials the phone to alarm and/or takes pictures and/or transmits images on the site. When the external force is lost, the tension spring 9 retracts, and the contact switch 7 resets and enters standby mode.

The anti-theft guardrail switch with extension spring 9 is installed on the left and right side walls 17 of the window sill 16, and the guardrail bottom frame 14 is installed on the window sill 16 with the hinge 15 and is parallel to the window outer wall, and the slide fastener 2 one end that stretches out is fixed with the bolt. On the side frame 13 of the guardrail, when the guardrail 12 is subjected to external forces such as climbing, pushing and pulling or stepping on the guardrail 12 by external forces such as thieves, the guardrail 12 will rotate at a certain angle with the hinge 15 at the bottom as the axis, and the pull spring 9 inside the slide fastener 2 will be stretched. The baffle plate 8 at the front of the spring 9 touches the contact switch 7 to turn on the alarm signal, and the alarm host connected to it starts to send an alarm message according to the alarm program set, and the Internet of Things can also be formed through a wired or wireless communication network to realize remote control.

The anti-theft guardrail switch with tension spring has a simple structure, so it is easy to manufacture, low in price, sensitive to switches, and can be automatically reset. It can be matched with the existing alarm system. It is set at the window with the guardrail to block the thief's only way , does not affect the window sill to grow flowers and sun things, and also has anti-theft functions such as anti-climbing and anti-hanging. It can prevent accidental falling of people and objects from high altitudes without affecting escape and disaster relief, and can be widely used in various building floors.

What is disclosed above is only a preferred embodiment of the present invention, which certainly cannot limit the scope of rights of the present invention. Therefore, equivalent changes still fall within the scope of the present invention.

Claims (3)

1. A kind of anti-theft guardrail switch with extension spring, comprises casing, slide fastener, extension spring and alarm equipment, is characterized in that: The shell is a rectangular shell obtained by punching a metal plate, and the outer upper and lower sides of the shell are provided with mounting bumps, and the mounting bumps are provided with mounting holes; A tension spring is arranged inside the shell, the rear end of the tension spring is fixed on the rear wall of the shell, a baffle plate is arranged on the hook at the front end of the tension spring, and the hook is connected to the zipper; One end of the zipper is connected to a tension spring hook, and then protrudes a certain distance through the zipper hole on the front wall of the housing; The shell is provided with an alarm device, the alarm device is arranged on the upper part of the tension spring, the contact switch of the described alarm device is arranged on the upper part of the zipper close to the zipper hole, when the zipper is pulled by an external force, the extension spring connected to it stretches outwards and pulls the zipper. When the baffle plate at the front end of the spring touches the contact switch, the contact switch sends an alarm signal to the connected alarm equipment, and when the external force is lost, the extension spring retracts to a position, and the contact switch resets and enters a standby state. 2. The anti-theft guardrail switch with extension spring according to claim 1, wherein the alarm device is a normally open contact switch and a field alarm connected to the contact switch. 3. The anti-theft guardrail switch with tension spring according to claim 1, characterized in that, the outward side wall of the housing is provided with a horn hole, the inward side is an opening, and the mounting bumps It is arranged on the upper and lower sides of the opening, and the installation bumps are provided with installation holes.