CN209838050U - Failure-preventing pneumatic window opener - Google Patents

Abstract

The utility model relates to a window technical field, especially a prevent pneumatic ware of windowing of inefficacy, including cylinder and pole head, be provided with the barrel of air spring in the pole head, the extension bar top of air spring is in the cylinder bottom, outwards ejecting with the pole head, and the pole head external diameter is less than the cylinder internal diameter, and the pole head bottom is provided with the piston sealed with the cylinder inner wall, is the air chamber between piston and the cylinder top, is provided with the gas circuit on the cylinder and aerifys in to the air chamber and press the pole head back cylinder. The utility model discloses a pneumatic ware of windowing, the elasticity that adopts the air spring is ejecting with the pole head, presses the pole head back with high-pressure gas, realizes opening and closes the window, when conflagration breaing out or other unexpected condition outage gas-break, high-pressure gas disappears, and the air spring is automatic to be opened the window, needs when guaranteeing personnel to flee, and simple structure is with low costs, has better market value and practical value.

Description

Failure-preventing pneumatic window opener

Technical Field

The utility model belongs to the technical field of the window, concretely relates to prevent pneumatic ware of windowing of inefficacy.

Background

At present, pneumatic window openers are installed on windows of high-grade cells, high-rise buildings and large-scale stadiums or office places, so that the windows can be opened and closed automatically or fire and smoke can be discharged conveniently, and the principle of the pneumatic window openers is a bidirectional cylinder. When the window sash needs to be manually opened and closed under the conditions of power failure and the like, the window can be opened only by disengaging the clutch mechanism by means of other parts or the self gravity of the window. Particularly, when a fire disaster occurs, the power supply is cut off by fire, and when people escape, the windows need to be opened for ventilation but cannot be opened, or the windows are difficult to open, so that the life safety of the people is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent pneumatic ware of windowing of inefficacy aims at solving current pneumatic ware of windowing under the condition of not having the air supply and can't open automatically, does not possess the problem of preventing the inefficacy function.

In order to achieve the above object, the utility model discloses a prevent pneumatic ware of windowing of inefficacy adopts following technical scheme: including cylinder and the pole head that stretches out in the cylinder from, be provided with the barrel of air spring in the pole head, the extension bar top of air spring is in the cylinder bottom, outwards ejecting with the pole head, and the pole head external diameter is less than the cylinder internal diameter, and the pole head bottom is provided with the piston sealed with the cylinder inner wall, is the air chamber between piston and the cylinder top, is provided with the gas circuit on the cylinder and aerifys in to the air chamber and presses the pole head back cylinder.

The top end of the cylinder barrel is provided with an end cover which can be detachably connected, the center of the end cover is provided with a shaft sleeve at the position matched with the rod head, and the top end of the end cover is provided with a sealing ring a.

The gas circuit is an axial through hole arranged on the outer wall of the cylinder barrel, one end of the gas circuit is connected with the gas chamber, and the other end of the gas circuit is arranged at the bottom of the cylinder barrel and is provided with a joint connected with a gas source.

And a through hole for communicating the air passage with the air chamber is formed in the end cover.

The inner end face of the end cover is provided with a spacer sleeve, so that the piston is prevented from being attached to the end cover when the rod head is ejected outwards, and the air chamber disappears.

And a sealing ring b is arranged on the outer circumferential surface of the piston and is sealed with the inner wall of the cylinder barrel.

The piston is fixed on the rod head through a clamp spring a.

The bottom of the cylinder barrel is provided with a bottom cover fixed through a clamp spring b.

The top of the rod head is provided with a detachable top.

The utility model has the advantages that: the utility model discloses a pneumatic ware of windowing, the elasticity that adopts the air spring is ejecting with the pole head, presses the pole head back with high-pressure gas, realizes opening and closes the window, when conflagration breaing out or other unexpected condition outage gas-break, high-pressure gas disappears, and the air spring is automatic to be opened the window, needs when guaranteeing personnel to flee, and simple structure is with low costs, has better market value and practical value.

Drawings

Fig. 1 is a front sectional view of the present invention.

Reference numerals: 1-cylinder barrel, 2-rod head, 3-gas spring, 4-piston, 5-gas chamber, 6-gas path, 7-end cover, 8-shaft sleeve, 9-sealing ring a, 10-joint, 11-spacer sleeve, 12-sealing ring b, 13-snap spring a, 14-bottom cover, 15-snap spring b and 16-top.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

The utility model relates to a prevent embodiment of pneumatic ware of windowing of inefficacy, as shown in fig. 1, including cylinder 1 and the pole head 2 that stretches out in the cylinder 1, be provided with the barrel of air spring 3 in the pole head 2, the extension bar top of air spring 3 is in 1 bottom of cylinder, outwards ejecting pole head 2, pole head 2 external diameter is less than 1 internal diameter of cylinder, 2 bottom ends of pole head are provided with the piston 4 with 1 inner wall seal of cylinder, piston 4 fixes on pole head 2 through jump ring a13, be provided with two pistons 4 for strengthening sealed effect in this embodiment, it is sealed with 1 inner wall of cylinder to be provided with sealing washer b12 on the outer periphery of piston 4, be air chamber 5 between piston 4 and the 1 top of cylinder, be provided with gas circuit 6 on the cylinder 1 and aerify in to air chamber 5 and press pole head 2 back cylinder 1, pole head 2 is up in the picture, foretell top and.

In order to facilitate disassembly, the top end of the cylinder barrel 1 is provided with an end cover 7 which is detachably connected, the matching part of the center of the end cover 7 and the rod head 2 is provided with a shaft sleeve 8, the top end of the end cover 7 is provided with a sealing ring a9, and the shaft sleeve 8 is made of a copper sleeve or other materials with self-lubricating performance to reduce friction between the rod head 2 and the shaft sleeve 8.

In order to facilitate the connection of the gas circuit 6, the gas circuit 6 is an axial through hole formed in the outer wall of the cylinder barrel 1, one end of the gas circuit is connected with the air chamber 5, a through hole communicated with the gas circuit 6 and the air chamber 5 is formed in the end cover 7, the other end of the gas circuit is arranged at the bottom of the cylinder barrel 1 and provided with a connector 10 connected with an air source, the connector 10 is conveniently connected to the bottom of the cylinder barrel 1, and the connector is not connected with the air source through a pipeline and is attractive and elegant.

For the convenience of installation, the bottom of the cylinder barrel 1 is provided with a bottom cover 14 fixed through a clamp spring b15, the bottom cover 14 is connected with a window frame, the top of the rod head 2 is provided with a detachable top head 16, and the top head 16 is connected with a window sash.

The utility model discloses pneumatic ware working process of windowing: under normal air feed condition, ejecting with the elasticity of gas spring 3 with pole head 2, press back pole head 2 with high-pressure gas, realize opening and closing the window, when conflagration or other unexpected condition outage gas-break, high-pressure gas disappears, and gas spring 3 is automatic ejecting with pole head 2 to open the window.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a prevent pneumatic ware of windowing of failure which characterized in that: including cylinder and the pole head that stretches out in the cylinder from, be provided with the barrel of air spring in the pole head, the extension bar top of air spring is in the cylinder bottom, outwards ejecting with the pole head, and the pole head external diameter is less than the cylinder internal diameter, and the pole head bottom is provided with the piston sealed with the cylinder inner wall, is the air chamber between piston and the cylinder top, is provided with the gas circuit on the cylinder and aerifys in to the air chamber and presses the pole head back cylinder.

2. The failure-prevention pneumatic window opener of claim 1, characterized in that: the top end of the cylinder barrel is provided with an end cover which can be detachably connected, the center of the end cover is provided with a shaft sleeve at the position matched with the rod head, and the top end of the end cover is provided with a sealing ring a.

3. The failure-prevention pneumatic window opener of claim 2, characterized in that: the gas circuit is an axial through hole arranged on the outer wall of the cylinder barrel, one end of the gas circuit is connected with the gas chamber, and the other end of the gas circuit is arranged at the bottom of the cylinder barrel and is provided with a joint connected with a gas source.

4. The failure-prevention pneumatic window opener of claim 3, characterized in that: and a through hole for communicating the air passage with the air chamber is formed in the end cover.

5. The failure-prevention pneumatic window opener of claim 2, characterized in that: the inner end face of the end cover is provided with a spacer sleeve, so that the piston is prevented from being attached to the end cover when the rod head is ejected outwards, and the air chamber disappears.

6. The failure-prevention pneumatic window opener of claim 1, characterized in that: and a sealing ring b is arranged on the outer circumferential surface of the piston and is sealed with the inner wall of the cylinder barrel.

7. The failure-prevention pneumatic window opener of claim 1, characterized in that: the piston is fixed on the rod head through a clamp spring a.

8. The failure-prevention pneumatic window opener of claim 1, characterized in that: and a bottom cover fixed through a clamp spring b is arranged at the bottom of the cylinder barrel.

9. The failure-prevention pneumatic window opener of claim 1, characterized in that: the top of the rod head is provided with a detachable top.