CN219368114U - Air duct sealing and positioning device and refrigerator - Google Patents

Abstract

The application provides a wind channel seals positioner and refrigerator, the device includes: the device comprises a substrate, baffle plates, positioning bosses, sealant and an air duct assembly, wherein the two baffle plates are detachably connected with the substrate, the first ends of the positioning bosses are rectangular structures, and the second ends of the positioning bosses are dovetail groove structures; the first end of the positioning boss is connected with the baffle plate, and the second end of the positioning boss is connected with the air duct assembly through the sealant. The device is connected with the air duct assembly through the dovetail groove structure of the positioning boss, and then is sealed through the sealant, so that the problem of poor air duct tightness is solved.

Description

Air duct sealing and positioning device and refrigerator

Technical Field

The application relates to the field of refrigerator sealing, in particular to an air duct sealing and positioning device and a refrigerator.

Background

The manufacturing industry of the household appliances and refrigerators needs to improve the sealing performance of the air duct structure and optimize the sealing reliability mechanism in each link of the product. In the refrigerator manufacturing process, the refrigerator air duct module belongs to an important part with dominant product performance quality, the sealing reliability process is a key process of a refrigerator refrigerating system, the assembly process with high use reliability is a technical breakthrough point for improving the refrigerating performance problem of the refrigerator, and the problem of the air duct sealing module mainly relates to innovation and improvement of an air duct sealing positioning structure and optimization and improvement of the air duct sealing positioning reliability.

The refrigerator air duct module can use viscose foam to adhere the closed loop package around the outer ring and adhere to the plane of the inner container of the refrigerator body, and the mode is used for sealing cold air, and the reliability of foam adhesion is determined.

However, the uneven stretching stress of the foam can cause uneven thickness, deflection, debonding failure and other conditions, the uncontrolled pressure sealing section can cause the problems of cold leakage and the like, and therefore, the air duct sealing performance is poor.

Disclosure of Invention

The application provides an air duct sealing and positioning device and a refrigerator to solve the problem that air duct sealing performance is poor.

In a first aspect, the present application provides an air duct seal positioning device, including: the device comprises a substrate, baffle plates, positioning bosses, sealant and an air duct assembly, wherein the two baffle plates are detachably connected with the substrate, the first ends of the positioning bosses are rectangular structures, and the second ends of the positioning bosses are dovetail groove structures; the first end of the positioning boss is connected with the baffle plate, and the second end of the positioning boss is connected with the air duct assembly through the sealant.

Through the dovetail structure of location boss with the wind channel subassembly is connected, and the rethread the sealant seals, can not appear pasting the uneven, crooked, the condition such as unsticking inefficacy of sponge thickness to the wind channel can improve the leakproofness in wind channel, the application provides a wind channel seals positioner can replace and paste the sponge, not only can improve because of the sponge unsticking, the wandering, crooked and paste the unusual cold problem that leaks that produces of cross-section, still be convenient for assemble, in order to improve production efficiency.

Optionally, the wind channel subassembly includes wind channel spare, fixed plate and fixed plate rib, the fixed plate with the wind channel spare is connected, the fixed plate rib sets up the surface of wind channel spare, the fixed plate rib with the fixed plate is perpendicular, through the fixed plate rib with the right angle structure that the fixed plate formed, will the location boss sets up inside the right angle structure, plays location, fixed action, rethread the sealant plays further fixed, sealed effect.

Optionally, the fixing plate ribs are parallel to the baffle plate, so that better positioning and sealing effects can be achieved.

Optionally, the fixed plate rib is last to be equipped with the draw-in groove, location boss joint the draw-in groove, dovetail structure and the draw-in groove of location boss one end are connected, play location, fixed action, make the location boss with the fixed plate rib obtains reliable connection.

Optionally, a plurality of connecting holes are formed in the baffle, the radii of the connecting holes are different, and the connecting holes with different radii are more convenient for fixing the baffle in the box body.

Optionally, the surface of keeping away from wind channel subassembly on the base plate is equipped with the turn-ups structure, the turn-ups structure is axisymmetric structure, the base plate accessible turn-ups structure articulates this device in box or other position that can articulate.

Optionally, the flanging structure includes a bending portion, and the bending portion is an arc structure.

Optionally, the flanging structure further includes a first edge and a second edge, and two ends of the bending portion are respectively connected with the first edge and the second edge.

In a second aspect, the present application provides a refrigerator, including a box and an air duct sealing positioning device provided in the first aspect, the box is connected with a substrate.

According to the technical scheme, the application provides an air duct sealing and positioning device and a refrigerator, wherein the device comprises: the device comprises a substrate, baffle plates, positioning bosses, sealant and an air duct assembly, wherein the two baffle plates are detachably connected with the substrate, the first ends of the positioning bosses are rectangular structures, and the second ends of the positioning bosses are dovetail groove structures; the first end of the positioning boss is connected with the baffle plate, and the second end of the positioning boss is connected with the air duct assembly through the sealant. The device is connected with the air duct assembly through the dovetail groove structure of the positioning boss, and then is sealed through the sealant, so that the problem of poor air duct tightness is solved.

Drawings

In order to more clearly illustrate the technical solutions of the present application, the drawings that are needed in the embodiments will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic diagram of a structure of an air duct sealing and positioning device;

FIG. 2 is a cross-sectional view of an air duct seal positioning device;

FIG. 3 is a schematic view of the air duct assembly;

FIG. 4 is an enlarged view of a portion of an air duct seal positioning device;

FIG. 5 is a top view of an air duct seal positioning device.

Illustration of:

the device comprises a 1-substrate, a 2-baffle, a 3-positioning boss, 4-sealant, a 5-air duct component, 51-fixing plate ribs, 52-fixing plates and 53-air duct components.

Detailed Description

Reference will now be made in detail to the embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The embodiments described in the examples below do not represent all embodiments consistent with the present application. Merely as examples of systems and methods consistent with some aspects of the present application as detailed in the claims.

The air duct sealing of the air-cooled refrigerator can be manually covered by using the die-cut viscose sponge, and the air duct sealing of the air-cooled refrigerator has the following defects that firstly, the efficiency of manually covering the sponge is low, the consistency is poor, the sponge is easy to warp and warp after being covered, the air duct opening sealing performance can be affected after the sponge is tilted, the air duct opening has the problems of air leakage, icing and the like, and the refrigerator can not refrigerate; secondly, the sponge die cutting wastes are more, lining paper is covered, and the material cost is high; thirdly, ethylene Propylene Diene Monomer (EPDM), nitrile rubber (Nitrilebutadiene rubber NBR) and olmesalol sponge have low permanent compression set rate and certain aperture ratio, and after long-term assembly extrusion, the problem of cell collapse or water absorption and icing exists, so that the ageing resistance is deviated; finally, most of the viscose sponge glue is acrylic acid oil glue mainly containing organic solvents, and peculiar smell can be generated after the air duct component is applied.

To solve the above problems, some embodiments of the present application provide an air duct sealing and positioning device, including: the device comprises a substrate 1, baffle plates 2, positioning bosses 3, sealant 4 and an air duct assembly 5, wherein the two baffle plates 2 are detachably connected with the substrate 1, the first ends of the positioning bosses 3 are rectangular structures, and the second ends of the positioning bosses 3 are dovetail structures; the baffle 2 is connected to the first end of location boss 3, and the wind channel subassembly 5 is connected through sealant 4 to the second end of location boss 3.

Referring to fig. 1, 2 and 5, the substrate 1 is in a flat plate structure, a plurality of baffles 2 can be connected to the substrate 1, if two air duct assemblies 5 are required to be installed, namely, two air duct sealing positioning devices are required to be connected, six air duct sealing positioning devices are arranged on the substrate 1 in fig. 1, each air duct sealing positioning device is provided with two baffles 2, that is, twelve baffles 2 are arranged on the substrate 1 in fig. 1, two baffles 2 can be used for positioning and sealing one air duct assembly 5, and the substrate 1 provided in fig. 1 can be used for positioning and sealing six air duct assemblies 5.

It will be appreciated that the number of baffles 2 on the substrate 1 may be set according to the number of air duct assemblies 5, and if the number of air duct assemblies 5 is one, for convenience of installation and saving of space in the box, in some embodiments, the width of the substrate 1 is greater than or equal to the width of the baffles 2, for example: the width of the baffle 2 is 3cm, and the width of the base plate 1 may be 4cm, that is, the baffle 2 of the air duct assembly 5 may be completely fixed on the base plate 1.

When the air duct assembly 5 quantity that needs sealed fixation is two, can set up base plate 1 and baffle 2 according to the position of air duct assembly 5, when two air duct assembly 5 are in same row, the one end of two base plates 1 is connected, for making things convenient for base plate 1 to connect, in some embodiments, the one end of base plate 1 is equipped with the fixed column, the other end of base plate 1 is equipped with the fixed orifices, the surface of fixed column is equipped with the external screw thread, the inside of fixed orifices is equipped with the internal screw thread, external screw thread and internal screw thread cooperation, when two base plates 1 are connected, the cooperation of accessible fixed column and fixed orifices plays longitudinal connection's effect. Because the internal thread and the external thread can also form self-locking, when the distance between the two air duct assemblies 5 and the distance between the two substrates 1 are completely connected are not matched, the connection cannot be realized, and therefore, the distance between the two air duct assemblies 5 can be adapted through the connection length of the internal thread and the external thread.

When two air duct assemblies 5 are in the same row, in order to facilitate the connection of the side walls of two substrates 1, in some embodiments, a groove slideway is provided on one side wall of the substrate 1, a slider is provided on the other side wall of the substrate 1, and when two substrates 1 are connected, the slider is used to push one substrate 1 into the groove slideway of the other substrate 1, so as to achieve the effect of transverse connection.

Through fixed column, fixed orifices that base plate 1 both ends set up and recess slide, the slider that base plate 1 both sides wall set up, can be connected with the wind channel subassembly 5 of different positions of putting, still can make up at will between the different base plate 1, convenient and fast.

Baffle 2 and base plate 1 are detachable connection, and baffle 2 and base plate 1 can be through threaded connection or buckle connection, and two baffles 2 of the device that provide in this embodiment set up at the both ends of base plate 1, and baffle 2 sets up in the position that is close to base plate 1 tip, leaves a part distance apart from the tip, can be convenient for connect other base plates 1.

In order to save the space in the box, the length of baffle 2 can be set shorter, make wind channel subassembly 5 can be connected with location boss 3, after the installation, wind channel subassembly 5 imbeds between two baffles 2, and wind channel subassembly 5 is close to base plate 1, and the space that this device occupy just so is less, saves space for other parts in the box, can also utilize the space that saves to increase the space of storeroom.

Referring to fig. 4, the first end of the positioning boss 3 is flush with the baffle plate 2, and the dovetail groove structure of the second end and the air duct assembly 5 are fixed through the sealant 4, so that the positioning function is achieved.

When fixing the positioning boss 3 and the air duct assembly 5, the glue can be applied, but before the glue is applied, the connection position of the air duct assembly 5 and the positioning boss 3, namely the position where the glue is required to be applied, can be pretreated, for example: the joints are provided with substances such as greasy dirt, rust, water or dust, and the like, and the substances need to be treated cleanly, so that the joints can be fully filled with the sealant 4, and more reliable sealing is achieved.

The sealant 4 can be polyurethane sealant, and the polyurethane sealant (polyurethane sealant) is sealant with polyurethane rubber and polyurethane prepolymer as main components, and has high tensile strength, excellent elasticity, wear resistance, oil resistance and cold resistance; the sealant 4 can also be neutral silicone adhesive, and the neutral silicone adhesive is neutral organic silicon structural sealant, has good high and low temperature resistance, has good bonding strength and sealing performance on most materials, does not generate pungent smell, is convenient for operators to use, and does not generate peculiar smell after the air duct component 5 is applied.

In order to make the sealing better, in some embodiments, the glue spraying width of the sealing glue 4 may be 5mm-10mm, and the glue spraying thickness is less than or equal to 2mm, but it is understood that the glue spraying width and thickness are determined according to the specification of the air duct assembly 5, and other glue spraying widths and thicknesses may also be selected. After the end of the glue, the device can be installed after being placed for a period of time, so that the sealant 4 is solidified, and the placing time can be determined according to the width and thickness of the glue, for example: the thinner the thickness, the shorter the time required for solidification, but the thicker the thickness, the longer the time required for solidification.

The air duct sealing and positioning device provided by the embodiment can replace a sticking sponge, and improve the problem of cold leakage caused by the fact that the sponge is debonded, the head is tilted, the section is stuck abnormally.

In some embodiments, the air duct assembly 5 is integrally injection molded, and the air duct assembly 5 may be a plastic material such as ABS, PS, PP. Referring to fig. 3, in some embodiments, the air duct assembly 5 includes an air duct member 53, a fixing plate 52, and fixing plate ribs 51, the fixing plate 52 is connected to the air duct member 53, the fixing plate ribs 51 are disposed on a surface of the air duct member 53, and the fixing plate ribs 51 are perpendicular to the fixing plate 52.

Referring to fig. 1, the air channel member 53 cannot be fixed by using two positioning bosses 3 due to the length of the air channel member 53, and thus, the air channel member 53 is fixed by using six positioning bosses 3 to obtain more reliable sealing and more stable connection.

To facilitate connection of the positioning boss 3 and the air duct assembly 5, in some embodiments, the fixing plate rib 51 is provided with a clamping groove, the positioning boss 3 is clamped with the clamping groove, the dovetail groove at the second end of the positioning boss 3 is clamped with the clamping groove to perform positioning function, in some embodiments, the fixing plate rib 51 is parallel to the baffle 2, and the fixing plate rib 51 is perpendicular to the fixing plate 52, so that the dovetail groove and the clamping groove can also perform sealing function, and then sealing is performed again through the sealant 4, so that the dovetail groove and the clamping groove are fixed.

Because of the larger size of the portion of the tunnel member 53, the mounting plate 52 may be provided only at the connection with the mounting boss in some embodiments for material saving.

In order to facilitate the fixing of the device in the box body, in some embodiments, the baffle plate 2 is provided with a plurality of connecting holes, the radii of the connecting holes are different, and the connecting holes with different radii enable the baffle plate 2 to be more conveniently fixed in the box body; besides the baffle 2, the baffle can be fixed by the base plate 1, in some embodiments, a plurality of connecting holes are also arranged on the base plate 1, the radii of the connecting holes are different, and the box body is connected through the connecting holes on the base plate 1.

If the baffle 2 is connected with the air duct assembly 5, the substrate 1 is inconvenient to be connected with the box body through the connecting hole, in some embodiments, a flanging structure is arranged on the surface, far away from the air duct assembly 5, of the substrate 1, the flanging structure is of an axisymmetric structure, the substrate 1 can be connected with the box body through the flanging structure, in some embodiments, the flanging structure comprises a bending part, the bending part is of an arc-shaped structure, the flanging structure further comprises a first edge and a second edge, two ends of the bending part are respectively connected with the first edge and the second edge, and the device is hung on the box body through the flanging structure. It will be appreciated that the open end of the bent portion is directed downwards, and the first edge is connected to the base plate 1, but due to possible instability problems associated with the coupling of the case by means of a flange structure, in some embodiments, the number of flange structures may be two, and the device may be more stably coupled to the refrigerator by means of two flange structures.

Based on the air duct sealing and positioning device, some embodiments of the present application further provide a refrigerator, including a case and an air duct sealing and positioning device provided by the foregoing embodiments, where the case is connected with a substrate.

In some embodiments, the surface of the box body, which is close to the substrate, is provided with a flanging structure, the flanging structure is an axisymmetric structure, in some embodiments, the flanging structure comprises a bending part, the bending part is an arc-shaped structure, the flanging structure further comprises a first edge and a second edge, two ends of the bending part are respectively connected with the first edge and the second edge, the flanging structure of the box body is connected with the flanging structure of the substrate, but unlike the flanging structure of the substrate, the opening end direction of the bending part of the flanging structure arranged on the box body is upward, and the two flanging structures are matched, so that the substrate is hung on the box body.

According to the technical scheme, the application provides an air duct sealing and positioning device and a refrigerator, wherein the device comprises: the device comprises a substrate 1, baffle plates 2, positioning bosses 3, sealant 4 and an air duct assembly 5, wherein the two baffle plates 2 are detachably connected with the substrate 1, the first ends of the positioning bosses 3 are rectangular structures, and the second ends of the positioning bosses 3 are dovetail structures; the baffle 2 is connected to the first end of location boss 3, and the wind channel subassembly 5 is connected through sealant 4 to the second end of location boss 3. The device provided by the embodiment is connected with the air duct assembly 5 through the dovetail groove structure of the positioning boss 3, and then is sealed through the sealant 4, so that the problem of poor air duct tightness is solved.

The foregoing detailed description of the embodiments is merely illustrative of the general principles of the present application and should not be taken in any way as limiting the scope of the utility model. Any other embodiments developed in accordance with the present application without inventive effort are within the scope of the present application for those skilled in the art.

Claims (9)

1. An air duct sealing and positioning device, which is characterized by comprising: the device comprises a substrate (1), baffle plates (2), positioning bosses (3), sealant (4) and an air duct assembly (5), wherein the two baffle plates (2) are detachably connected with the substrate (1), the first ends of the positioning bosses (3) are rectangular structures, and the second ends of the positioning bosses (3) are dovetail groove structures; the first end of the positioning boss (3) is connected with the baffle (2), and the second end of the positioning boss (3) is connected with the air duct assembly (5) through the sealant (4).

2. The air duct sealing and positioning device according to claim 1, wherein the air duct assembly (5) comprises an air duct piece (53), a fixing plate (52) and fixing plate ribs (51), the fixing plate (52) is connected with the air duct piece (53), the fixing plate ribs (51) are arranged on the surface of the air duct piece (53), and the fixing plate ribs (51) are perpendicular to the fixing plate (52).

3. The air duct sealing and positioning device according to claim 2, characterized in that the fixing plate ribs (51) are parallel to the baffle (2).

4. The air duct sealing and positioning device according to claim 2, wherein the fixing plate ribs (51) are provided with clamping grooves, and the positioning bosses (3) are clamped with the clamping grooves.

5. The air duct sealing and positioning device according to claim 1, wherein a plurality of connecting holes are formed in the baffle plate (2), and the radii of the connecting holes are different.

6. The air duct sealing and positioning device according to claim 1, wherein a flanging structure is arranged on the surface, away from the air duct assembly (5), of the base plate (1), and the flanging structure is in an axisymmetric structure.

7. The air duct sealing and positioning device according to claim 6, wherein the flanging structure comprises a bending portion, and the bending portion is an arc-shaped structure.

8. The air duct sealing and positioning device according to claim 7, wherein the flanging structure further comprises a first edge and a second edge, and two ends of the bending portion are respectively connected with the first edge and the second edge.

9. A refrigerator, comprising a case and an air duct sealing and positioning device according to any one of claims 1 to 8, wherein the case is connected to a base plate.