Insert type air door capable of eliminating resistance torque in sliding process
Technical Field
The utility model relates to an air door design technical field, concretely relates to eliminate inserted sheet formula air door of slip in-process resistance moment of torsion.
Background
The air door is used as a basic element for controlling the air path, and is more and more widely applied to the fields of building air conditioning, house fresh air replacement, drying process, environmental protection, metallurgy and chemical production process and the like.
However, the damper under the current technical conditions mainly has 2 problems:
1. closure of the shaft damper
Many air doors adopt a rotating shaft structure, as shown in fig. 1, an air door sheet is arranged on a rotating shaft 01, and the rotating shaft 01 is driven to rotate by an air door driving motor, so that the angular relationship between the air door sheet 03 on the rotating shaft and a door frame 02 is changed, and the opening of the air door, namely the air flow rate, is adjusted. The air door sheet is difficult to be closely attached to the door frame, the air door is relatively poor in sealing performance, and the air leakage rate is relatively high.
2. Locking problem of insert type air door
As shown in fig. 2, the sealing performance of the insert type air door is relatively good, and the air leakage rate is relatively low, but in the actual use process, the resistance and the resistance torque generated when the rectangular door sheet 04 slides in the door frame limiting groove 04 are large, so that the door sheet is often locked by the door frame limiting groove, and the door sheet driving motor 06 is easily burnt.
SUMMERY OF THE UTILITY MODEL
To the problem in the background art, the utility model provides an eliminate inserted sheet formula air door of slip in-process resistance moment of torsion, include:
the sliding chute structure is arranged at the edge of the air port;
the movable baffle is inserted in the chute structure and can cover the air port;
the driving device extends out of a push rod, the tail end of the push rod is hinged with the movable baffle, and the push rod is positioned on the central axis of the movable baffle;
the driving device drives the push rod to move, and the push rod drives the movable baffle plate to move along the sliding groove structure to realize opening and closing of the air opening or adjustment of the size of the air opening.
Preferably, the air door further comprises a fixed pore plate which is covered and installed on the air port, and a sliding groove structure is formed between two sides of the fixed pore plate and the frame of the air door; the fixed pore plate is also provided with at least one opening opposite to the air port; the flapper can cover the aperture.
Preferably, the movable baffle is rectangular and matched with the air port, and four corners of the movable baffle are rounded corners.
Preferably, the upper end of the chute structure is provided with a socket, and the lower edge of the movable baffle is inserted into the chute structure from the socket at the upper end; the end of the push rod is hinged to the upper edge of the movable baffle.
Preferably, the end of the push rod is hinged to the movable baffle plate through a rotating shaft assembly, and the rotating directions of the push rod and the movable baffle plate are in the plane where the movable baffle plate is located.
Preferably, the fixed orifice plate is provided with two openings which are arranged in bilateral symmetry, and the driving device is installed between the two openings.
Preferably, the movable baffle adopts a heat preservation and sound insulation plate.
Preferably, the movable baffle comprises a sheet-shaped rectangular cavity structure and a heat-insulating and sound-insulating material filled in the sheet-shaped rectangular cavity structure.
The utility model discloses owing to adopt above technical scheme, make it compare with prior art, have following advantage and positive effect:
1. the lateral extrusion force of the movable baffle plate to the sliding channel and the sliding resistance caused by the lateral extrusion force are reduced
The utility model provides an eliminate inserted sheet formula air door of resistance moment of torsion in the slip process, the drive arrangement who will drive adjustable fender 2 to open and close is on adjustable fender geometric centre line, the push rod is articulated with adjustable fender, this kind of connected mode has guaranteed the stability that the push rod promoted adjustable fender, articulated mode makes adjustable fender's flexibility in sliding channel simultaneously, can self-adjust the correction when it takes place certain skew in the removal process, the side direction extrusion force of adjustable fender to the sliding channel limit that probably causes because the push rod off-centre and the sliding resistance that causes because the side direction extrusion force have been reduced, thereby eliminated adjustable fender and blocked by sliding channel, the risk that adjustable fender destroys sliding channel;
2. eliminating the sliding resistance torque of the flapper
The utility model provides an eliminate inserted sheet formula air door of resistance moment of torsion in the slip process, the push rod is articulated with adjustable fender, and design the four corners of adjustable fender 2 as the fillet, improved adjustable fender's slidability in the slip passage, eliminated fundamentally because square corner on the adjustable fender four corners probably scrapes even pierces the adjustable fender slip resistance moment of torsion that sealing material produced in the slip passage;
3. has good heat insulation and sound insulation effects
The utility model provides an eliminate inserted sheet formula air door of slip in-process resistance moment of torsion, adjustable fender no longer are thin "piece", but have the heat preservation sound insulation material structure of certain thickness, intussuseption, when making its actual use, can effectively block the transmission of air door both sides heat and vibration noise during the air door is closed, have good adiabatic and syllable-dividing effect.
Drawings
The above and other features and advantages of the present invention will be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic structural diagram of a conventional damper with a rotating shaft;
FIG. 2 is a schematic structural view of a conventional plug-in type damper;
fig. 3 is a schematic perspective view of the insert-type damper for eliminating the resistance torque in the sliding process according to the present invention;
fig. 4 is a front view of the insert type air door for eliminating the resistance torque in the sliding process provided by the present invention.
Detailed Description
The invention will be described in more detail hereinafter with reference to the accompanying drawings showing embodiments of the invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In the drawings, the size and relative sizes of layers and regions may be exaggerated for clarity.
Referring to fig. 2-3, the utility model provides a plug-in sheet type air door for eliminating resistance torque in the sliding process, which comprises a chute structure 5, a movable baffle 2 and a driving device 3; the chute structure 5 is arranged at the edge of the seal; the movable baffle 2 is inserted into the chute structure 5, and the movable baffle 2 can cover the opening 4; the driving device 3 is arranged on the fixed orifice plate 1, a push rod 6 extends out of the driving device 3, the tail end of the push rod 6 is hinged with the movable baffle plate 2, and the push rod 6 is positioned on the central axis of the movable baffle plate 2; the driving device 3 drives the push rod 6 to move, and the push rod 6 drives the movable baffle 2 to move along the chute structure 5 to realize the opening and closing of the air opening or the adjustment of the size of the air opening.
The utility model provides a piece inserting type air door for eliminating resistance torque in the sliding process, a chute structure for moving a movable baffle 2 is formed at the edge of an air port, and a driving device 3 drives the movable baffle 2 to move so as to realize the opening and closing of the air port and the adjustment of the opening degree; just the utility model discloses drive arrangement 3 that will drive adjustable fender 2 and open and close is on 2 geometric centre lines of adjustable fender, push rod 6 is articulated with adjustable fender 2, this kind of connected mode, the stability that the push rod promoted adjustable fender has been guaranteed, articulated mode makes adjustable fender 2 flexibility in sliding channel simultaneously, can self adjust the correction when it takes place certain skew at the removal in-process, the side direction extrusion force of adjustable fender 2 that probably causes because the push rod off-centre to the sliding channel limit and the sliding resistance that causes because the side direction extrusion force have been eliminated, thereby it is dead by the sliding channel card to have eliminated adjustable fender 2, adjustable fender 2 destroys sliding channel's risk.
In this embodiment, the air door further comprises a fixed orifice plate 1 which is covered and installed on the air port, and a chute structure 5 is formed between two sides of the fixed orifice plate 1 and the frame of the air door; the fixed orifice plate 1 is also provided with at least one opening 101 opposite to the air port; the flapper 2 can cover the aperture 101.
Of course, in other embodiments, the specific structural form of the chute structure 5 may also be adjusted according to specific situations, for example, the chute on the edge of the tuyere may be directly arranged, and is not limited herein.
In the embodiment, the upper end of the chute structure 5 is provided with a socket, and the lower edge of the movable baffle plate 2 is inserted into the chute structure 5 from the socket at the upper end; wherein, the end of the push rod 6 is hinged to the upper edge of the movable baffle 2 so as to ensure the stability when the push rod pushes the movable baffle; of course, in other embodiments, the upper end of the push rod 6 may be connected to a point below the upper edge of the movable baffle 2, and is not limited herein.
In this embodiment, the area of the flapper 2 is larger than the opening 4 to ensure that the flapper 2 can cover the opening 4 to close.
Further, the movable baffle 2 is rectangular and matched with the air port; of course, in other embodiments, the movable baffle 2 may have other shapes such as polygon, and the adjustment may be performed according to specific situations, and is not limited herein.
Furthermore, four corners of the movable baffle 2 are rounded corners. This embodiment does fillet technology with 2 four corners of adjustable fender when adjustable fender 2 designs and manufactures and handles, has improved the gliding property of adjustable fender 2 in chute structure 5, has eliminated fundamentally because the square corner on 2 four corners of adjustable fender probably scrapes even pierces into the interior sealing material of chute structure 5 and 2 sliding resistance torques of adjustable fender that cause.
In the present embodiment, the fixed orifice plate 2 has two openings 4 symmetrically disposed left and right, and the driving device is installed between the two openings 4, in order to make the driving device disposed along the central axis of the fixed orifice plate 1, the opening 4 is divided into two openings disposed at both sides of the driving device. Of course, in other embodiments, the size or position of the driving device may be adjusted such that only one opening 4 or more than two openings 4 are formed in the fixed orifice plate 2, which is not limited herein.
In this embodiment, the length of the fixed orifice plate 2 above the opening 4 in the moving direction of the movable baffle 2 is greater than or equal to the length of the movable single plate 2 in the moving direction; this design feature is intended to further ensure the stability of the flapper 2 as it moves within the chute structure 5.
In the embodiment, the end of the push rod 6 is hinged with the movable baffle 2 through the rotating shaft assembly 7, and the rotating directions of the push rod 6 and the movable baffle 2 are in the plane of the movable baffle 2. This facilitates self-adjustment of the position of the flapper 2 when it is rotated again in its plane.
The rotating shaft assembly 7 comprises a rotating shaft, one end of the rotating shaft is perpendicularly connected to the movable baffle 2, the other end of the rotating shaft is rotatably connected with the push rod 6, and the axial direction of the rotating shaft is arranged along the radial direction of the push rod 6.
In this embodiment, the movable baffle 2 is a heat-insulating and sound-insulating plate. The specific movable baffle 2 comprises a sheet-shaped rectangular cavity structure and a heat-insulating and sound-insulating material filled in the sheet-shaped rectangular cavity structure. The adjustable fender 2 that this embodiment provided no longer is thin "piece", but has the heat preservation sound insulation material structure of certain thickness, intussuseption, when making its actual use, can effectively block the transmission of air door both sides heat and vibration noise during the closing, has good thermal insulation and syllable-dividing effect.
It will be appreciated by those skilled in the art that the invention can be embodied in many other specific forms without departing from the spirit or scope thereof. Although embodiments of the present invention have been described, it is to be understood that the present invention should not be limited to those precise embodiments, and that various changes and modifications can be effected therein by one skilled in the art without departing from the scope or spirit of the invention as defined by the appended claims.