CN210950002U

CN210950002U - Civil air defense airtight valve

Info

Publication number: CN210950002U
Application number: CN201922129283.0U
Authority: CN
Inventors: 秦德明; 秦程
Original assignee: Nantong Nuojie Civil Air Defense Engineering Protection Equipment Co ltd
Current assignee: Nantong Nuojie Civil Air Defense Engineering Protection Equipment Co ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-07-07
Anticipated expiration: 2029-12-03

Abstract

The utility model discloses a civil air defense closed valve, relating to the field of civil air defense engineering, and aiming at the problem that the civil air defense closed valve used at present is not easy to clean, the following proposal is proposed, which comprises a valve body, a bracket is fixedly arranged on the upper surface of the valve body, a rotating rod is rotatably arranged at the center of the bracket, the outer surface of the intersection position of the rotating rod and the bracket is fixedly provided with a clamping needle, the bracket is provided with a clamping groove matched with the clamping needle, a sealing gasket is arranged at the intersection position of the rotating rod and the valve body, the sealing gasket and the valve body are fixedly installed, the sealing gasket and the rotating rod are rotatably arranged, the bottom end of the rotating rod is fixedly provided with a ball body matched with the inner wall of the valve body, one side of the valve body close to the support is vertically distributed and fixedly provided with a cleaning end, and an annular groove is formed in the upper surface of the cleaning end. The utility model discloses novel structure, and easy operation, the practicality is high, suitable popularization.

Description

Civil air defense airtight valve

Technical Field

The utility model relates to a civil air defense engineering field especially relates to a civil air defense airtight valve.

Background

With the rapid development of the current society and the improvement of the quality of life of current people, the civil air defense engineering is correspondingly and vigorously developed, aiming at the ventilation facility in the civil air defense engineering, the ventilation facility is an indispensable and extremely important facility for various underground construction places or various public living places, and particularly for the ventilation closed valve in the ventilation facility, the ventilation closed valve used at present needs to be periodically disassembled for cleaning because excessive dust and sundries are accumulated at the valve and harmful substances such as bacteria exist in the ventilation facility after long-term use, the scheme consumes excessive manpower and has quite high cost, and therefore, the civil air defense closed valve is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of civil air defense airtight valve has solved the civil air defense airtight valve who uses at present and has had the problem of difficult clearance.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a civil air defense closed valve comprises a valve body, a bracket is fixedly arranged on the upper surface of the valve body, a rotating rod is rotatably arranged at the central position of the bracket, the outer surface of the intersection position of the rotating rod and the bracket is fixedly provided with a clamping needle, the bracket is provided with a clamping groove matched with the clamping needle, a sealing gasket is arranged at the intersection position of the rotating rod and the valve body, the sealing gasket and the valve body are fixedly installed, the sealing gasket and the rotating rod are rotatably arranged, the bottom end of the rotating rod is fixedly provided with a ball body matched with the inner wall of the valve body, one side of the valve body close to the bracket is vertically distributed and fixedly provided with a cleaning end, the upper surface of the cleaning end is provided with an annular groove, and the upper surface of the cleaning end is provided with an end cover, the lower surface of the end cover is fixedly provided with an annular boss matched with the annular groove, and the center of the lower surface of the end cover is fixedly provided with a filtering screen cylinder.

Preferably, the sealing washer has been placed to the both sides of valve body, the sealing washer with the both sides of valve body all are evenly distributed and have seted up the screw hole.

Preferably, the cleaning end and the end cover are fixedly mounted through fixing screws.

Preferably, the ball body is provided with a flow hole.

Preferably, a rotating wheel is fixedly mounted at the top end of the rotating rod.

The utility model has the advantages that:

1. in the device, each part junction all is provided with sealing part, has guaranteed the leakproofness of device, and the spheroid that sets up simultaneously matches with the valve body, can control ventilation speed through the conversion spheroid, plays the effect of regulation, convenient to use.

2. In the device, be provided with filtration, through placing the filter material at a filter sieve section of thick bamboo, can effectual filtration impurity and bacterium when ventilation facility starts to when the accumulation volume is too much back, can clear up and change through the mode of opening the end cover, easy operation also can guarantee ventilation facility's clean health.

In conclusion, the device has better leakproofness and also has the function of adjusting the ventilation speed to can keep the cleanness in the ventilation facility, also make things convenient for the later stage clearance, the practicality is high.

Drawings

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

Fig. 2 is a sectional view of the present invention.

Fig. 3 is a schematic structural diagram of a of the present invention.

Fig. 4 is a schematic structural diagram of the cleaning structure of the present invention.

Fig. 5 is an end view of fig. 4.

Reference numbers in the figures: 1 valve body, 2 sealing rings, 3 supports, 4 rotary rods, 5 rotating wheels, 6 spheres, 7 end covers, 8 cleaning ends, 9 sealing gaskets, 10 filter sieve barrels, 11 clamping needles, 12 clamping grooves, 13 annular bosses, 14 fixing screws and 15 annular grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, a civil air defense sealing valve comprises a valve body 1, a support 3 is fixedly arranged on the upper surface of the valve body 1, a rotary rod 4 is rotatably arranged at the central position of the support 3, a clamping needle 11 is fixedly arranged on the outer surface of the intersection position of the rotary rod 4 and the support 3, a clamping groove 12 matched with the clamping needle 11 is arranged on the support 3, a sealing gasket 9 is arranged at the intersection position of the rotary rod 4 and the valve body 1, the sealing gasket 9 and the valve body 1 are fixedly arranged, the sealing gasket 9 and the rotary rod 4 are rotatably arranged, a ball body 6 matched with the inner wall of the valve body 1 is fixedly arranged at the bottom end of the rotary rod 4, cleaning ends 8 are fixedly arranged on one side of the valve body 1 close to the support 3 in an up-down distribution manner, an annular groove 15 is arranged on the upper surface of the cleaning end 8, an end cover 7 is arranged on the, and the lower surface central point of end cover 7 puts fixed mounting and filters a sieve section of thick bamboo 10, and sealing washer 2 has been placed to the both sides of valve body 1, and the both sides of sealing washer 2 and valve body 1 all are evenly distributed and have seted up the screw hole, and clearance end 8 and end cover 7 pass through fixed screw 14 fixed mounting, have seted up the flow hole on the spheroid 6, and the top fixed mounting of rotary rod 4 has runner 5.

The working principle is as follows: when the device is put into use, firstly, two sides of the valve body 1 are respectively fixed on a ventilation facility, because the two sides of the valve body 1 are provided with the sealing rings 2, the problem of air leakage in the using process of the device can be prevented, the use is influenced, then effective filtering substances are placed in the filtering screen cylinder 10, the filtering screen cylinder 10 is placed in the valve body 1 and is fixedly connected with the cleaning end 8 through the fixing screws 14, the annular boss 13 and the annular groove 15 are arranged and are matched with each other, the sealing performance of the cleaning end 8 can be ensured, the flowing hole on the ball body 6 is communicated with the hole in the valve body 1 by rotating the rotating wheel 5, the circulation of the device is ensured, and the maximum rotating angle of the ball body 6 is ninety degrees, so that the rotating angle of the ball body 6 can be observed through the clamping needle 11 and the clamping groove 12, the ventilation speed is controlled, when the cleaning is needed, the end cover 7 is opened, the filtering screen cylinder 10 is taken out, and the filtering substances in the filtering screen cylinder 10 are cleaned or replaced, so that the cleaning effect is achieved.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a civil air defense airtight valve, includes valve body (1), its characterized in that, the last fixed surface of valve body (1) installs support (3), the central point of support (3) puts and rotates and installs rotary rod (4), rotary rod (4) with the crossing position external fixed surface of support (3) installs card needle (11), set up draw-in groove (12) that match with card needle (11) on support (3), rotary rod (4) with sealed pad (9) have been placed to the crossing position of valve body (1), sealed pad (9) with valve body (1) is fixed mounting, and sealed pad (9) with rotary rod (4) are for rotating the installation, the bottom fixed mounting of rotary rod (4) has spheroid (6) with valve body (1) inner wall matching, one side that valve body (1) is close to support (3) is upper and lower distribution fixed mounting and has clearance end (8), annular groove (15) have been seted up to the upper surface of clearance end (8), and end cover (7) have been placed to the upper surface of clearance end (8), the lower fixed surface of end cover (7) installs annular boss (13) that match with annular groove (15), and the lower surface central point of end cover (7) puts fixed mounting and filters a sieve section of thick bamboo (10).

2. The civil air defense sealing valve according to claim 1, characterized in that, the sealing washer (2) has been placed to the both sides of valve body (1), the sealing washer (2) with the both sides of valve body (1) all are evenly distributed and have seted up the screw hole.

3. Civil air-defense closing valve according to claim 1, characterized in that the cleaning end (8) and the end cap (7) are fixedly mounted by means of fixing screws (14).

4. Civil air-defense closing valve according to claim 1, characterized in that the ball (6) is provided with flow holes.

5. Civil air-defense closed valve according to claim 1, characterized in that the top end of the rotating rod (4) is fixedly provided with a rotating wheel (5).