CN217843096U

CN217843096U - Ventilation plug for civil air defense

Info

Publication number: CN217843096U
Application number: CN202220992595.3U
Authority: CN
Inventors: 俞燕刚; 章斌; 俞泽鑫; 章飞燕; 章金焕
Original assignee: Zhejiang Sanyi Technology Co ltd
Current assignee: Zhejiang Sanyi Technology Co ltd
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2022-11-18
Anticipated expiration: 2032-04-27

Abstract

The utility model relates to a civil air defense equipment field discloses a plug of taking a breath that civil air defense was used, it is responsible for (1) including taking a breath, the welding is gone up in the person in charge of taking a breath (1) has branch of taking a breath (2) rather than the intercommunication, shrouding (3) are installed to the open end of branch of taking a breath (2), admittedly, be equipped with roating seat (4) on the open end outer wall of branch of taking a breath (2), install pivot (5) on roating seat (4), be equipped with on shrouding (3) with pivot (5) complex commentaries on classics hole (31), still be equipped with fixing base (6) on the open end outer wall of branch of taking a breath (2), be equipped with draw-in groove (61) on fixing base (6), install fixed column (7) through the hinge on shrouding (3), fixed column (7) and draw-in groove (61) cooperation locking. The utility model discloses an assembly design of shrouding can realize fast that the shrouding opens and shuts, and not only the simple operation has also guaranteed the leakproofness, in addition, can also carry on spacingly to the position of shrouding, avoids the shrouding to lose.

Description

Ventilation plug for civil air defense

Technical Field

The utility model relates to a civil air defense equipment field has especially related to a plug of taking a breath that civil air defense was used.

Background

As is well known, the existing air exchange plug for civil air defense engineering is mainly applied to the air exchange plug for quickly converting the war ventilation of the civil air defense engineering. The civil air defense engineering war ventilation has three conversion modes, namely clean ventilation, toxin filtering ventilation and isolation ventilation, and the ventilation plug is arranged in the civil air defense engineering toxin filtering chamber, the pipeline of the ventilation plug is connected with the filtering absorber, and the ventilation plug is used for ventilating the toxin filtering chamber after the filtering absorber is replaced, so that the concentration of the toxin contamination is reduced. In the prior art, when the air is polluted outdoors in wartime, in order to ensure that the inside of a civil air defense project shelters personnel to breathe available air, a ventilation pipeline adopts toxin filtering type ventilation in wartime, when a filtering absorber needs to be replaced after toxin filtering, a ventilation plug is required to be rapidly opened, toxic gas in the pipeline is discharged for ventilation, and the ventilation plug is closed after ventilation. The traditional ventilation plug is in a three-way form, three opening parts are fastened with flanges and blind plates through bolts, the traditional ventilation method is that an operator uses a pliers, a wrench or a screw gun to open the plug plate of the ventilation plug, toxic gas in a pipeline of a poison filtering chamber is discharged outdoors, and then the plug plate is plugged in a mode of using the pliers, the wrench or the screw gun and the like. The existing ventilation plug conversion mode is long in use, labor-consuming and labor-consuming, so that the practicability of the ventilation plug conversion mode is poor, and the use efficiency requirement in the field of modern civil air defense engineering cannot be met.

At present, the problem of pipeline extension has been solved to the utility model patent of patent number 2017778009.0, but still has the defect that can't open and shut the shrouding fast.

SUMMERY OF THE UTILITY MODEL

The utility model provides a ventilation end cap for civil air defense to the shortcoming among the prior art.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve:

the utility model provides a plug of taking a breath that civil air defense was used, including the person in charge of taking a breath, the welding has the branch pipe of taking a breath rather than the intercommunication in the person in charge of taking a breath, the one end on the branch pipe of taking a breath is responsible for the intercommunication with taking a breath, its other end definition is the open end, the shrouding is installed to the open end of the branch pipe of taking a breath, the roating seat is equipped with on the open end outer wall of the branch pipe of taking a breath admittedly, install the pivot on the roating seat, be equipped with on the shrouding and change the hole with pivot complex, still be equipped with the fixing base on the open end outer wall of the branch pipe of taking a breath admittedly, be equipped with the draw-in groove on the fixing base, install the fixed column through the hinge on the shrouding, fixed column and draw-in groove cooperation locking.

Preferably, the fixing seats are at least two and circumferentially distributed on the outer wall of the opening end of the air exchange branch pipe, the clamping grooves are located on the outer surface of the fixing seats and are arranged in a direction parallel to the axis of the air exchange branch pipe, one end of the fixing column is mounted on the outer ring surface of the sealing plate through the hinge shaft, each clamping groove is an arc-shaped groove, and the other end of the fixing column is matched with the clamping groove.

Preferably, the other end of the fixing column is provided with an external thread, and the fixing column is further provided with an adjusting nut matched with the external thread.

Preferably, the rotating seat is positioned at the lower part of the air exchange branch pipe, a first hole is formed in the rotating seat, and the rotating shaft is matched with the first hole.

Preferably, the two ends of the rotating shaft are provided with positioning convex rings, and the diameter of each positioning convex ring is larger than that of each first hole and each rotating hole.

Preferably, the opening end of the air exchange branch pipe is provided with a first sealing ring, the sealing plate is provided with a second sealing ring matched with the first sealing ring, the first sealing ring is provided with an annular groove, and the second sealing ring is embedded in the annular groove.

Preferably, the upper end and the lower end of the main ventilation pipe are both open, and an upper flange and a lower flange are fixedly mounted on the upper open end and the lower open end of the main ventilation pipe respectively.

The utility model discloses owing to adopted above technical scheme, have apparent technological effect: this application can realize fast that the shrouding opens and shuts through the assembly design of shrouding, and not only the simple operation has also guaranteed the leakproofness, in addition, can also carry on spacingly to the position of shrouding, avoids the shrouding to lose.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic view I of a portion of FIG. 1.

FIG. 3 is a partial schematic diagram II of FIG. 1.

The names of the parts indicated by the numerical references in the drawings are as follows: the air exchange device comprises a main air exchange pipe 1, a branch air exchange pipe 2, a sealing plate 3, a rotating seat 4, a rotating shaft 5, a fixed seat 6, a fixed column 7, an upper flange 11, a lower flange 12, a rotating hole 31, a first hole 41, a positioning convex ring 51, a clamping groove 61 and an adjusting nut 71.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Example 1

The utility model provides a plug of taking a breath that people's air defense was used, as shown in the figure, including the person in charge of taking a breath 1, it has the branch pipe of taking a breath 2 rather than the intercommunication to take a breath on the person in charge of 1, the one end on the branch pipe of taking a breath 2 communicates with the person in charge of 1, its other end is defined as the open end, shrouding 3 is installed to the open end of branch pipe of taking a breath 2, roating seat 4 is equipped with on the open end outer wall of branch pipe of taking a breath 2 admittedly, roating seat 4 is last to install pivot 5, be equipped with on the shrouding 3 with pivot 5 complex commentaries on classics hole 31, shrouding 3 can revolute pivot 5 and rotate, thereby realize opening and shutting of branch pipe of taking a breath 2, still be equipped with fixing base 6 on the open end outer wall of branch pipe of taking a breath 2 admittedly, be equipped with draw-in groove 61 on the fixing base 6, install fixed column 7 through the hinge on the shrouding 3, fixed column 7 and draw-in groove 61 cooperate and lock through the cooperation of a plurality of fixed columns 7 with draw-in groove 61, when needing to open branch pipe of taking a breath 2, it can only to rotate and let it break away from draw-in groove 61, and easy operation.

Fixing base 6 has two at least and circumference distribution on the open end outer wall of branch pipe 2 of taking a breath, and draw-in groove 61 is located 6 surfaces of fixing base and is on a parallel with the axis direction setting of branch pipe 2 of taking a breath, and the one end of fixed column 7 is passed through the hinge and is installed on the outer anchor ring of shrouding 3, and draw-in groove 61 is an arc wall, and the other end of fixed column 7 cooperates with draw-in groove 61.

The other end of the fixed column 7 is provided with an external thread, and the fixed column 7 is also provided with an adjusting nut 71 matched with the external thread. The matching between the fixing column 7 and the clamping groove 61 can be locked through the arrangement of the adjusting nut 71, when the air exchange branch pipe 2 needs to be opened, only one to three circles of adjusting nuts 71 need to be rotated and the locking is released, and the air exchange branch pipe 2 can be opened by rotating the fixing column 7; this does not require the nut to be fully unscrewed as is required to release a conventional screw connection.

The rotary seat 4 is located at the lower part of the air exchange branch pipe 2, a first hole 41 is arranged on the rotary seat 4, and the rotating shaft 5 is matched with the first hole 41.

The two ends of the rotating shaft 5 are both provided with positioning convex rings 51, and the diameter of the positioning convex rings 51 is larger than that of the first hole 41 and the rotating hole 31. The separation of the rotation shaft 5 can be prevented by the design of the positioning convex ring 51.

Example 2

The difference is that the opening end of the gas branch pipe 2 is provided with a first sealing ring, the closing plate 3 is provided with a second sealing ring matched with the first sealing ring, the first sealing ring is provided with an annular groove, and the second sealing ring is embedded in the annular groove.

Example 3

The same as the embodiment 1, except that both the upper and lower ends of the main ventilation pipe 1 are open, and the upper and lower open ends of the main ventilation pipe 1 are respectively and fixedly provided with an upper flange 11 and a lower flange 12.

Claims

1. The utility model provides a ventilation plug for civil air defense, is responsible for (1) including taking a breath, takes a breath and is responsible for welding branch pipe (2) of taking a breath rather than the intercommunication on (1), its characterized in that: shrouding (3) are installed to the open end of branch pipe (2) take a breath, be equipped with roating seat (4) on the open end outer wall of branch pipe (2) take a breath admittedly, install pivot (5) on roating seat (4), be equipped with on shrouding (3) with pivot (5) complex commentaries on classics hole (31), still be equipped with fixing base (6) on the open end outer wall of branch pipe (2) take a breath admittedly, be equipped with draw-in groove (61) on fixing base (6), install fixed column (7) through the hinge on shrouding (3), fixed column (7) and draw-in groove (61) cooperation locking.

2. A ventilation plug for civil air defense as claimed in claim 1, wherein: the fixing base (6) is provided with at least two clamping grooves (61) which are circumferentially distributed on the outer wall of the opening end of the air exchange branch pipe (2), the clamping grooves are located on the outer surface of the fixing base (6) and are parallel to the axis direction of the air exchange branch pipe (2), one end of the fixing column (7) is installed on the outer annular surface of the sealing plate (3) through a hinge shaft, and the other end of the fixing column (7) is matched with the clamping grooves (61).

3. A ventilation plug for civil air defence according to claim 2, characterised in that: the other end of the fixing column (7) is provided with an external thread, and the fixing column (7) is also provided with an adjusting nut (71) matched with the external thread.

4. A ventilation plug for civil air defense as claimed in claim 1, wherein: the rotating seat (4) is located at the lower part of the air exchange branch pipe (2), a first hole (41) is formed in the rotating seat (4), and the rotating shaft (5) is matched with the first hole (41).

5. The ventilation plug for civil air defense as claimed in claim 4, wherein: and two ends of the rotating shaft (5) are provided with positioning convex rings (51), and the diameters of the positioning convex rings (51) are larger than those of the first hole (41) and the rotating hole (31).

6. A ventilation plug for civil air defense as claimed in claim 1, wherein: be equipped with first sealing ring on the open end of branch of taking a breath (2), be equipped with on shrouding (3) with first sealing ring complex second sealing ring, be equipped with the annular groove on the first sealing ring, the second sealing ring inlays to be established in the annular groove.

7. A ventilation plug for civil air defense as claimed in claim 1, wherein: the upper end and the lower end of the main ventilation pipe (1) are both opened, and an upper flange (11) and a lower flange (12) are fixedly arranged on the upper opening end and the lower opening end of the main ventilation pipe (1) respectively.