CN216440216U

CN216440216U - Combined dust filter telescopic support in protective airtight door of air duct valve of civil air-defense engineering

Info

Publication number: CN216440216U
Application number: CN202123124854.5U
Authority: CN
Inventors: 霍红; 李永茂; 司爱勤; 程继广
Original assignee: Liaoning Hongtuo Technology Co ltd
Current assignee: Liaoning Hongtuo Technology Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-05-06
Anticipated expiration: 2031-12-13

Abstract

The utility model discloses a combined dust filter telescopic support in a protective airtight door of a civil air-defense engineering air duct valve, which comprises a fixed support and a combined dust filter, wherein an outer frame of the combined dust filter is arranged on the fixed support in a sliding manner, a valve cover positioned on the inner side of the combined dust filter is hinged and opened on the fixed support, a swing rod is fixedly arranged on the valve cover, a protective frame is arranged on the outer side of the combined dust filter, a slide rail is arranged on the inner side of the protective frame, the free end of the swing rod is intermittently and slidably arranged on the slide rail, a push rod is hinged on the fixed support, and the movable end of the push rod is hinged with the valve cover. The utility model relates to the technical field of combined dust filter supports, in particular to a combined dust filter telescopic support in a protective airtight door of a civil air defense engineering air duct valve.

Description

Combined dust filter telescopic support in protective airtight door of air duct valve of civil air-defense engineering

Technical Field

The utility model relates to the technical field of combined dust filter supports, in particular to a combined dust filter telescopic support in a protective airtight door of an air duct valve in civil air defense engineering.

Background

In the original design, a crawling ladder needs to be erected manually to climb to the upper side to pull the combined dust filter out of the fixed support, then a control room is informed by a wireless interphone, and then an electric push rod is started to open the closed valve cover.

When the closed valve cover needs to be closed, after the electric push rod is restarted in a production room to close the closed valve cover, a crawling ladder needs to be erected manually to climb to the upside to push the combined dust filter into the fixed support, and the operation is labor-consuming and is not suitable for automatic management, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

Aiming at the situation, in order to overcome the defects of the prior art, the combined dust filter telescopic support in the protective airtight door of the air duct valve in the civil air defense engineering provided by the scheme is additionally provided with two sets of four-bar mechanisms on the basis of the original design, and the four-bar mechanisms are driven by the electric push rods to push and pull the combined dust filter to realize the braking on and off of the combined dust filter.

The technical scheme adopted by the utility model is as follows: this scheme civil air defense engineering air duct valve protects combination dust catcher telescopic bracket in airtight door, including fixed bolster and combination dust catcher, the combination dust catcher frame slides and locates on the fixed bolster, the articulated valve gap that opens and shuts that is located combination dust catcher inboard on the fixed bolster, the pendulum rod has set firmly on the valve gap, the combination dust catcher outside is equipped with the protection frame, the protection frame inboard is equipped with the slide rail, the free end intermittent type of pendulum rod slides and locates on the slide rail, the last articulated push rod that has of fixed bolster, the expansion end and the valve gap of push rod are articulated.

As a further optimization of the scheme, a plurality of groups of valve covers are distributed on the fixed support, the valve covers located on the same horizontal plane are fixedly connected through connecting rods, the connecting rods are connected through vertical rods, the vertical rods are rotatably connected with the connecting rods, and the movable ends of the push rods are rotatably sleeved on the connecting rods.

As a further optimization of the present embodiment, the slide rails are provided with a plurality of sets.

Preferably, the free end of the swing rod is an outward convex arc-shaped end.

Preferably, the free end of the swing rod is provided with a roller, and the roller is arranged in the sliding rail in a rolling manner.

Preferably, one side of the valve cover, which is far away from the push rod, is hinged to a valve opening end on the fixed support.

Preferably, the push rod is an electric push rod.

The utility model with the structure has the following beneficial effects: this scheme utilizes pendulum rod pendulum to slide in the slide rail and realizes promoting the technological effect that combination dust catcher moved outward simultaneously through starting the push rod extension when opening the valve gap, compares and needs two steps of operations in the tradition, and this scheme need not artifical operation of ascending a height, and is efficient, safe type is good.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

fig. 1 is a schematic overall structure diagram of a combined dust filter telescopic support in a protective airtight door of an air duct valve in civil air defense engineering.

The device comprises a fixed support 1, a combined dust filter 2, a valve cover 3, a swing rod 4, a protection frame 5, a sliding rail 6, a push rod 7, a connecting rod 8, a connecting rod 9 and a vertical rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1, the combined dust filter telescopic support in the protective airtight door of the air duct valve in the civil air-defense engineering of the scheme comprises a fixed support 1 and a combined dust filter 2, the outer frame of the combined dust filter 2 is slidably arranged on the fixed support 1, a valve cover 3 positioned on the inner side of the combined dust filter 2 is hinged and opened on the fixed support 1, a swing rod 4 is fixedly arranged on the valve cover 3, a protective frame 5 is arranged on the outer side of the combined dust filter 2, a slide rail 6 is arranged on the inner side of the protective frame 5, the free end of the swing rod 4 is intermittently slidably arranged on the slide rail 6, a push rod 7 is hinged on the fixed support 1, and the movable end of the push rod 7 is hinged with the valve cover 3.

Wherein, valve gap 3 distributes on fixed bolster 1 has the multiunit, concreties through connecting rod 8 between the valve gap 3 that is located unified horizontal plane, and pendulum rod 4 sets firmly on connecting rod 8, connects through montant 9 between two sets of connecting rods 8, and montant 9 rotates with connecting rod 8 to be connected, and 7 expansion ends of push rod rotate to cup joint on a set of connecting rod 8, and slide rail 6 is equipped with the multiunit.

The free end of the swing rod 4 is an outward convex arc end or is provided with a roller, the roller is arranged in the sliding rail 6 in a rolling manner, and one side of the valve cover 3, which is far away from the push rod 7, is hinged with the valve opening end on the fixed support 1.

The push rod 7 is started, the push rod 7 drives the valve cover 3 to rotate and open, the valve cover 3 drives the swing rod 4 to lift up, the swing rod 4 slides in the slide rail 6 to drive the combined dust filter 2 to move outwards in a straight line, and the purpose that the combined dust filter 2 stretches in the fixed support 1 is achieved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Combination dust filter (2) telescopic bracket in civil air defense engineering air duct valve protective airtight door, including fixed bolster (1) and combination dust filter (2), its characterized in that: the combined dust filter (2) outer frame is arranged on the fixed support (1) in a sliding manner, the fixed support (1) is hinged to the valve cover (3) which is positioned on the inner side of the combined dust filter (2), the swing rod (4) is fixedly arranged on the valve cover (3), the outer side of the combined dust filter (2) is provided with a protective frame (5), the inner side of the protective frame (5) is provided with a slide rail (6), the free end of the swing rod (4) is arranged on the slide rail (6) in an intermittent sliding manner, the fixed support (1) is hinged to a push rod (7), and the movable end of the push rod (7) is hinged to the valve cover (3).

2. The combined dust filter (2) telescopic bracket in the protective airtight door of the air duct valve in civil air defense engineering according to claim 1 is characterized in that: valve gap (3) have the multiunit in fixed bolster (1) distribution, are located to consolidate through connecting rod (8) between valve gap (3) on unified horizontal plane, and are two sets of connect through montant (9) between connecting rod (8), montant (9) rotate with connecting rod (8) and are connected, push rod (7) expansion end rotates and cup joints on a set of connecting rod (8).

3. The combined dust filter (2) telescopic bracket in the protective airtight door of the air duct valve in civil air defense engineering according to claim 1 is characterized in that: the slide rail (6) is provided with a plurality of groups.

4. The combined dust filter (2) telescopic bracket in the protective airtight door of the air duct valve in civil air defense engineering according to claim 1 is characterized in that: the free end of the swing rod (4) is an outward convex arc-shaped end.

5. The combined dust filter (2) telescopic bracket in the protective airtight door of the air duct valve in civil air defense engineering according to claim 1, which is characterized in that: and the free end of the swing rod (4) is provided with a roller, and the roller is arranged in the slide rail (6) in a rolling manner.

6. The combined dust filter (2) telescopic bracket in the protective airtight door of the air duct valve in civil air defense engineering according to claim 1 is characterized in that: one side of the valve cover (3) far away from the push rod (7) is hinged with the valve opening end arranged on the fixed support (1).