CN221096340U - Sealed heat-insulating filter access door - Google Patents

Abstract

The utility model provides a sealed and heat-insulating filter access door, which comprises a door frame, a supporting plate and a door main body; the door frame is arranged on the outer side surface of the door opening plate, and the supporting plate is arranged on the periphery of the inner side surface of the door opening plate and used for supporting the door opening plate; the door main body is arranged in the door frame and is opened and closed on the outer side surface of the door opening plate; the door body is hollow structure and inside packing heat insulating material, and the medial surface week portion edge of door body is equipped with round elasticity heat insulating sealing strip, and door body and door frame junction all are equipped with thermal-insulated sealing strip, and when the door body just is closed state, elasticity heat insulating sealing strip supports and leans on the closure region and extrudees deformation, is thermal-insulated sealing connection between door body and door frame, door body and the closure region. The utility model has excellent heat insulation effect, and adopts the elastic heat insulation sealing strip to seal the locking area of the door opening plate by extrusion deformation, and the back of the locking area is also supported by the support plate to avoid deformation, thereby effectively improving the sealing effect of the filter access door and prolonging the service life.

Description

Sealed heat-insulating filter access door

Technical Field

The utility model relates to the field of filter accessory production, in particular to a sealed and heat-insulating filter access door.

Background

The high-efficiency filter device is popular in the market due to the characteristics of high filtering efficiency, low resistance and large dust holding capacity, and the access door of the high-efficiency filter is one of the necessary components, so that an access door is required to be opened periodically by an operator to overhaul the filter, and the safety and the high efficiency of production activities can be ensured. The conventional access door is generally of a hard sealing structure, namely sealing rubber is only arranged at the opening and closing position of the door slot edge, when the access door is closed, the sealing rubber and the frame of the filter shell are extruded to achieve a sealing effect, but under the condition of frequent opening and closing, the sealing rubber is easy to damage, so that the access door has air leakage; and the hard to soft sealing structure can also cause the condition of partial sealing inaccuracy due to insufficient levelness of the frame of the shell, so that the overall sealing effect of the filter equipment is reduced. In addition, in industrial production, some of the use places of the high-efficiency filter are high-temperature environments, and the local high temperature beside the access door can affect the tightness, and the use effect of the high-efficiency filter can be affected seriously, so that a filter access door with better sealing and heat insulation effects is needed.

Disclosure of utility model

The utility model aims to solve the defects in the prior art and provides a sealed and heat-insulating filter access door.

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

A sealed and heat-insulating filter access door, a door opening of the access door is arranged on the outer shell of the filter, and the filter access door is arranged on the door opening plate; the filter access door comprises a door frame, a supporting plate and a door main body; a circle of locking area is reserved at the edge of the outer side surface of the door opening plate, the door frame is arranged on the outer side surface of the door opening plate, and the contour line of the inner ring of the door frame is the boundary line of the locking area; the supporting plate is arranged on the periphery of the inner side surface of the door opening plate, is positioned on the back surface of the locking area and is used for supporting the door opening plate of the locking area; the door main body is arranged in the door frame and is opened and closed on the outer side surface of the door opening plate;

The door body is hollow structure and inside packing insulating material, the medial surface week portion edge of door body is equipped with round elasticity thermal-insulated sealing strip, the door body with the door frame meets the department and all is equipped with thermal-insulated sealing strip, works as the door body just is the closed condition, elasticity thermal-insulated sealing strip supports and is in locking region and extrusion deformation, the door body with the door frame the door body with be thermal-insulated sealing connection between the locking region.

Preferably, the door main body further comprises an outer door plate, an inner door plate, a side frame and a door lock; the side frame is the outline frame of door main part, the side frame is built by many frame strip end to end, outer door plant sealing connection in the one side of deviating from the door opening board of side frame, inlayer door plant sealing connection in the one side of being close to the door opening board of side frame, the side frame outer door plant the airtight cavity intussuseption that forms in the middle of the inlayer door plant fills thermal insulation material, elastic heat insulation sealing strip installs on the side frame.

Preferably, a circle of groove is formed in the side face, close to the door opening plate, of the side frame, the elastic heat insulation sealing strip is installed inside the groove, and the top end of the elastic heat insulation sealing strip protrudes above the groove.

Preferably, the groove is an arc-shaped groove, and the elastic heat insulation sealing strip is of a cylindrical structure.

Preferably, the edge of the outer door plate extends to cover the side frames, and heat insulation sealing belts are arranged between the outer door plate and the side frames and between the door frame and the outer door plate.

Preferably, the side frame is integrally located inside the locking region.

Preferably, the side frame is a square alloy frame strip with a hollow structure.

Preferably, the backup pad is the round panel that is formed by multistage L shaped panel end to end, the backup pad includes long wing board and short wing board, long wing board welding is in the inboard of locking region, short wing board perpendicular to long wing board and next in the contour line department of door opening.

Preferably, one end of the long fin plate coincides with the contour line of the door opening, and the other end of the long fin plate extends to the outside of the boundary line of the locking region.

Preferably, the support plate is of unitary construction.

Compared with the prior art, the utility model has the beneficial effects that:

1. The door body is designed into a hollow structure, heat insulation materials are filled in the hollow structure, meanwhile, a heat insulation sealing belt is installed between the door body and the door frame, and an elastic heat insulation sealing strip is installed between the door body and the door opening plate, so that good sealing and heat insulation effects are achieved among the door body, the door body and the frame, and the door body and the door opening plate, heat conduction outside the filter is effectively avoided from entering the filter, and further, the sealing performance is prevented from being influenced by local high temperature.

2. The elastic heat-insulating sealing strip is adopted between the locking area of the door main body and the door opening, when the access door is closed, the door main body extrudes the plate in the locking area, the elastic heat-insulating sealing strip deforms under stress and fills the gap between the door main body and the locking area, so that a more excellent sealing effect is achieved, and the problem of local air leakage caused by rubber damage and uneven and non-fitting plate in the locking area is solved.

3. The supporting plate is additionally arranged on the inner side of the door opening plate, when the access door is closed, the door main body and the door opening plate in the locking area are mutually extruded, a good supporting effect is achieved on the plate in the locking area, the deformation of the plate on the periphery of the door opening is effectively avoided, and therefore the sealing effect of the access door is further improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of a sealed and thermally insulated filter access door;

FIG. 2 is a schematic cross-sectional view of the area A;

FIG. 3 is a schematic view of the outside view structure with the main door body uninstalled;

FIG. 4 is a schematic view of the inside view structure with the main door body uninstalled;

FIG. 5 is a right side view of the main door body not installed;

fig. 6 is a front view of the main door body not installed.

The door comprises a door frame 1, a supporting plate 2, a door body 3, an elastic heat insulation sealing strip 4, a heat insulation sealing strip 5 and a door opening plate 6; locking area 11, outer door panel 31, inner door panel 32, side frame 33, door lock 34, groove 331, long fin 21, short fin 22.

Description of the embodiments

For a further understanding of the objects, construction, features, and functions of the utility model, reference should be made to the following detailed description of the preferred embodiments.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. The "inside" of the present utility model refers to the side near the inside of the filter, and the "outside" of the present utility model refers to the side near the outside of the filter.

Referring to fig. 1-6, a sealed and heat-insulating filter access door is provided, wherein a door opening of the access door is arranged on an outer shell of the filter, and the filter access door is arranged on a door opening plate 6; the filter access door comprises a door frame 1, a supporting plate 2 and a door main body 3; a circle of locking area 11 is reserved at the edge of the outer side surface of the door opening plate 6, the door frame 1 is arranged on the outer side surface of the door opening plate 6, and the contour line of the inner ring of the door frame 1 is the boundary line of the locking area 11; the supporting plate 2 is arranged on the periphery of the inner side surface of the door opening plate 6, and the supporting plate 2 is positioned on the back surface of the locking area 11 and is used for supporting the door opening plate 6 of the locking area 11; the door body 3 is arranged in the door frame 1 and is opened and closed on the outer side surface of the door opening plate 6;

The door body 3 is hollow structure and inside packing insulating material, and door body 3 medial surface week portion edge is equipped with round elasticity thermal-insulated sealing strip 4, and door body 3 all is equipped with thermal-insulated sealing strip 5 with door frame 1 junction, and when door body 3 just is the closed condition, elasticity thermal-insulated sealing strip 4 supports and leans on locking region 11 and extrudees deformation, is thermal-insulated sealing connection between door body 3 and door frame 1, door body 3 and the locking region 11.

The filter access door is applied to a filter, particularly a large-sized filter, and the heat insulation and sealing performance of the access door are improved, wherein the improvement of the heat insulation performance is also beneficial to the improvement of the sealing performance.

In the utility model, the door frame 1 is fixedly arranged on the outer side of the door opening plate 6 and is not movable, the supporting plate 2 is fixedly arranged on the inner side of the door opening plate 6 and is not movable, and the door main body 3 can be detached and can also be opened and closed in the door frame 1. When the access door needs to be closed, the door body 3 is installed in the door frame 1, the edge of the door body 3 is attached to the inner outline of the door frame 1, the inner side of the door body 3 is attached to a circle of locking area 11 on the periphery of a door opening, the door body 3 gradually presses the plate material of the locking area 11 along with locking of the door body 3, and at the moment, the elastic heat insulation sealing strip 4 is pressed and deformed to completely seal and insulate heat between the door body 3 and the door opening plate 6. And owing to be equipped with thermal-insulated sealing strip 5 between door main part 3 and the door frame 1, the inside cavity of door main part 3 has filled thermal-insulated material, consequently thermal-insulated throughout between door main part 3 and the door frame 1, door main part 3 itself is thermal-insulated, when the access door was closed, can effectively totally isolate outside the outside heat of filter outside, and the access door is whole thermal-insulated, sealed, guarantees that the filter does not receive external local high hot gas flow to influence.

Because the door main part 3 of access door is thicker than the outer shell panel of filter, when closing the access door, the door main part 3 is big to the extrusion dynamics of door opening board 6, cause the panel deformation in door opening week portion very easily, especially the locking region 11 that is connected with door main part 3, consequently, inside door opening board 6, backup pad 2 has been installed to the back of locking region 11, backup pad 2 can play effectual supporting role to the panel of locking region 11, guarantee that the panel of locking region 11 remains the level and smooth when closing the door, and then guarantee the sealed effect between the locking region 11 of door main part 3 and door opening board 6, avoid local gas leakage.

In one embodiment, referring to fig. 1 and 2 in combination, the door body 3 further includes an outer door panel 31, an inner door panel 32, a side frame 33, and a door lock 34; the side frame 33 is an outer outline frame of the door main body 3, the side frame 33 is formed by connecting a plurality of frame strips end to end, the outer door plate 31 is connected to one side of the side frame 33, which is far away from the door opening plate 6, the inner door plate 32 is connected to one side of the side frame 33, which is close to the door opening plate 6, the airtight cavity formed among the side frame 33, the outer door plate 31 and the inner door plate 32 is filled with heat insulation materials, and the elastic heat insulation sealing strip 4 is installed on the side frame 33. The door plate is of a double-layer hollow structure, the side edges are specially designed to be formed by constructing side frames 33 end to end, and the side edges can be effectively improved by simply connecting plates; on one hand, the door plate collapse caused by the excessively high door opening and closing times can be avoided; on the other hand, the elastic heat-insulating sealing strip 4 is independently installed on the inner side of the side frame 33, when the access door is closed, the side edge of the door plate can be kept flat, and the auxiliary elastic heat-insulating sealing strip 4 is extruded and deformed, so that the sealing effect of the auxiliary elastic heat-insulating sealing strip is ensured.

The door lock 34 installed on the outer door panel 31 may be provided with 1 or more door locks to realize different opening and closing functions, including but not limited to left door opening, right door opening, full door opening, half door opening, etc.

In a more preferred embodiment, referring to fig. 2 in combination, a ring of grooves 331 is provided on the side of the side frame 33 near the door opening plate 6, and the elastic heat insulating sealing strip 4 is installed inside the grooves 331 with its top protruding above the grooves 331. The groove 331 has good limiting and fixing effects on the elastic heat insulation sealing strip 4, and prevents the elastic heat insulation sealing strip 4 from falling off due to rolling in the extrusion process; furthermore, the purpose of the top end of the elastic heat insulating sealing strip 4 protruding above the groove 331 is to leave a deformation space thereof.

Further, referring to fig. 2 in combination, the groove 331 is an arc-shaped groove 331, and the elastic heat insulation sealing strip 4 is a cylindrical structure. The cylindrical elastic heat-insulating sealing strip 4 is arranged in the groove 331, so that the situation that the elastic heat-insulating sealing strip 4 is damaged due to edge cutting can be avoided when the elastic heat-insulating sealing strip is extruded and deformed, and the sealing effect of long-time use is ensured.

In a preferred embodiment, referring to fig. 2, the edge of the outer door panel 31 extends to cover the outer side surface of the side frame 33, and the inner door panel 32 is connected to the inner side surface of the side frame 33 at the end far away from the door frame 1, at this time, a heat insulation sealing belt 5 needs to be arranged between the outer door panel 31 and the side frame 33 to insulate heat, and a heat insulation sealing belt 5 is also arranged between the outer door panel 1 and the outer door panel 31, and between the outer door panel 31 and the side frame 33, and between the door frame 1 and the outer door panel 31, so that external heat is prevented from being transmitted to the inside of the filter through the route of the outer door panel 31-door frame 1-door opening plate 6, or through the route of the outer door panel 31-side frame 33-door frame 1-door opening plate 6, and the strength of the access door is improved, and the heat insulation effect is effectively ensured. The door frame 1 is welded to the door opening plate 6, and the heat-insulating sealing tape 5 may be screwed to the door frame 1 and the outer door panel 31.

The heat-insulating sealing belts 5 are arranged between the side frames 33 and the outer door plate 31, between the door frame 1 and the outer door plate 31 and between the side frames 33, and are of integral bag-shaped or strip-shaped heat-insulating materials which are not powdery or chip-shaped, so that the auxiliary support function is realized. And the cavity of the door body 3 can be filled with heat insulation materials such as rock wool, so that leakage is not worry, the heat insulation effect is good, and the cost is low.

In a preferred embodiment, the side frames 33 are integrally located inside the locking region 11, so that the elastic heat-insulating sealing strip 4 can be ensured to fall into the supporting region of the supporting plate 2, and the door opening plate 6 is prevented from being deformed by extrusion.

In a preferred embodiment, the side frames 33 are square alloy frame strips with hollow structures, which are easy to obtain materials, low in cost and convenient to weld, and the hollow structures enable the whole weight to be lighter.

In a preferred embodiment, referring to fig. 2-6 in combination, the support plate 2 is a ring of plates formed by connecting multiple sections of L-shaped plates end to end, the support plate 2 comprises long fin plates 21 and short fin plates 22, the long fin plates 21 are welded on the inner side of the locking region 11, and the short fin plates 22 are perpendicular to the long fin plates 21 and are close to the outline of the door opening. The L-shaped round support plates 2 and the short fin plates 22 can be mutually welded, so that a better support effect is achieved. Furthermore, one end of the long fin plate 21 coincides with the contour line of the door opening, and the other end of the long fin plate 21 extends to the outer side of the boundary line of the locking area 11, so that the supporting area of the long fin plate 21 covers all the locking area 11, a perfect supporting effect is achieved on the door opening plate 6, and meanwhile, the whole supporting plate 2 does not protrude out of the edge of the door opening plate 6, and the smoothness of opening and closing the door is not affected. Preferably, the supporting plate 2 is of an integrated structure, so that the strength and the reliability of the supporting plate are enhanced, and phenomena such as air leakage or fracture at a welding gap are avoided.

In summary, according to the sealed and heat-insulating filter access door disclosed by the utility model, after the structure is improved, the heat-insulating strips are arranged between the door main body and the door frame and between the door opening plate, and the heat-insulating material is filled in the door main body, so that the heat-insulating effect is excellent, and the high-temperature air flow outside the filter is effectively insulated. The sealing strip in the access door is prevented from deforming at high temperature, the sealing effect is improved, the elastic heat-insulating sealing strip is sealed with the locking area of the door opening plate in an extrusion deformation mode, the back of the locking area is also supported by the support plate to avoid deformation, the sealing effect of the access door of the filter is effectively improved, and the service life is prolonged.

The utility model has been described with respect to the above-described embodiments, however, the above-described embodiments are merely examples of practicing the utility model. It should be noted that the disclosed embodiments do not limit the scope of the utility model. On the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.

Claims (10)

1. A sealed and heat-insulating filter access door, a door opening of the access door is arranged on the outer shell of the filter, and the filter access door is arranged on a door opening plate; the method is characterized in that: comprises a door frame, a supporting plate and a door main body; a circle of locking area is reserved at the edge of the outer side surface of the door opening, the door frame is arranged on the outer side surface of the door opening plate, and the contour line of the inner ring of the door frame is the boundary line of the locking area; the supporting plate is arranged on the periphery of the inner side surface of the door opening plate, is positioned on the back surface of the locking area and is used for supporting the door opening plate of the locking area; the door main body is arranged in the door frame and is opened and closed on the outer side surface of the door opening plate;

The door body is hollow structure and inside packing insulating material, the medial surface week portion edge of door body is equipped with round elasticity thermal-insulated sealing strip, the door body with the door frame meets the department and all is equipped with thermal-insulated sealing strip, works as the door body just is the closed condition, elasticity thermal-insulated sealing strip supports and is in locking region and extrusion deformation, the door body with the door frame the door body with be thermal-insulated sealing connection between the locking region.

2. The sealed and thermally insulated filter access door of claim 1, wherein: the door main body further comprises an outer door plate, an inner door plate, a side frame and a door lock; the side frame is the outline frame of door main part, the side frame is built by many frame strip end to end, outer door plant sealing connection in the one side of deviating from the door opening board of side frame, inlayer door plant sealing connection in the one side of being close to the door opening board of side frame, the side frame outer door plant the airtight cavity intussuseption that forms in the middle of the inlayer door plant fills thermal insulation material, elastic heat insulation sealing strip installs on the side frame.

3. The sealed and thermally insulated filter access door of claim 2, wherein: the side of side frame near the door opening board is equipped with the round recess, the thermal-insulated sealing strip of elasticity is installed inside the recess and top protrusion in the recess top.

4. A sealed and thermally insulated filter access door as set forth in claim 3, wherein: the groove is an arc-shaped groove, and the elastic heat insulation sealing strip is of a cylindrical structure.

5. The sealed and thermally insulated filter access door of claim 2, wherein: the edge of the outer door plate extends to cover the side frames, and heat insulation sealing belts are arranged between the outer door plate and the side frames and between the door frame and the outer door plate.

6. The sealed and thermally insulated filter access door of claim 2, wherein: the side frame is integrally located inside the locking area.

7. The sealed and thermally insulated filter access door of claim 2, wherein: the side frames are square alloy frame strips with hollow structures.

8. The sealed and thermally insulated filter access door of claim 1, wherein: the supporting plate is a circle of plates formed by connecting a plurality of sections of L-shaped plates end to end, the supporting plate comprises a long fin plate and a short fin plate,

The long fin plates are welded on the inner side of the locking area, and the short fin plates are perpendicular to the long fin plates and are close to the outline of the door opening.

9. The sealed and thermally insulated filter access door of claim 8, wherein: one end of the long fin plate is overlapped with the outline of the door opening, and the other end of the long fin plate extends to the outer side of the boundary line of the locking area.

10. The sealed and thermally insulated filter access door of claim 8, wherein: the support plate is of an integrated structure.