CN105241163A - Door seal and refrigerating container with same - Google Patents

Abstract

The invention belongs to the technical field of refrigerator door sealing, and discloses a door seal and a refrigerated container with the door seal. For connecting the door body; the tongue includes a barbed part and a connecting part for connecting the barbed part and the sealing air bag part, and both sides of the barbed part protrude from the connecting part; the barbed part The whole is a solid structure. The door seal of the present invention adopts a barbed part with a solid structure, and the barb part can be closely matched with the card groove of the door liner to ensure the connection strength between the door seal and the door liner; On the outside, a barb structure can be formed with the door liner to further improve the connection strength between the door seal and the door liner; the connection part is equipped with support ribs, which can reduce the deformation of the connection part, and can be connected with the card groove during the foaming process. The interaction force is formed between them to ensure the connection strength and sealing effect between the door seal and the door liner to prevent leakage of cold.

Description

A door seal and refrigeration container with the door seal

technical field

The invention relates to the technical field of refrigerator door sealing, in particular to a door seal and a refrigeration container with the door seal.

Background technique

The refrigerator door needs to be opened frequently. In order to ensure the sealing of the refrigerator and prevent the refrigerator door from being closed tightly enough to cause cold leakage, a door seal is installed at the contact surface between the refrigerator door and the outer shell to achieve sealing. The fixing of the door seal is to realize the clamping connection with the door liner through a hollow structure snap tongue. Generally, the door seal is clamped to the door liner when the refrigerator door and the refrigerator shell are assembled; the deformation of the hollow structure tab is relatively small. Large, the door seal is prone to fall off during use, resulting in poor cooperation between the door seal and the door liner, and flash seams, which will not only cause cold leakage, but also affect the appearance of the refrigerator.

Real invention content

(1) Technical problems to be solved

The technical problem to be solved by the present invention is: in order to solve the problem that the connection between the existing door seal and the door liner is a hollow structure, which is easy to deform, and is easy to be separated from the door liner during use, resulting in insufficient sealing and affecting the appearance.

(2) Technical solution

In order to solve the above-mentioned technical problems, the present invention provides a door seal, comprising: a sealing air bag part and a tab arranged under the sealing air bag part, the tab is used to connect the door body; the tab includes a barb part and the connection part for connecting the barb part and the sealing airbag part, both sides of the barb part protrude from the connection part; the barb part is a solid structure as a whole.

Wherein, the upper end surface of the barb portion is a plane or an inner concave surface.

Wherein, the connecting portion is provided with an inner cavity.

Wherein, a supporting rib is connected to the inner wall of the inner cavity, and the supporting rib is used to provide an outward thrust for the inner wall of the inner cavity.

Wherein, a plurality of the support ribs are arranged in the inner cavity.

Wherein, the supporting rib is a bent structure.

Wherein, the cross section of the support rib is composed of at least two straight sides connected to each other, and there is an included angle between adjacent straight sides.

Wherein, the cross section of the support rib is composed of one or more circular arcs.

Wherein, the sealed airbag part includes: a magnetic stripe chamber, a trapezoidal airbag and a substrate, the magnetic stripe chamber is used to install a magnetic stripe, the trapezoidal airbag is arranged on one side of the magnetic stripe chamber, and the substrate is located on the Below the magnetic stripe chamber, the substrate is connected to the connecting portion; one end of the substrate is provided with a flanging; the substrate and the magnetic stripe chamber, the substrate and the trapezoidal airbag are connected by a plurality of connecting ribs; Fins are provided outside the connecting ribs connected to the upper end surface of the trapezoidal airbag; several ribs are provided on the outer surface of the upper wall of the magnetic strip chamber.

A refrigeration container has the above-mentioned door seal.

(3) Beneficial effects

The above-mentioned technical solution has the following advantages: a door seal of the present invention can be pre-placed in the card slot during the foaming process of the door liner by adopting the barb part of the solid structure. The expansion of the foaming material causes the card slot to shrink, and the barb part will Close fit with the card groove of the door liner to ensure the connection strength between the door seal and the door liner; the two sides of the barb protrude to the outside of the connection part, which can form a barb structure with the door liner to further improve the connection between the door seal and the door liner. The connection strength of the liner prevents the door seal from falling off and prevents cold leakage; the cavity of the connection part is provided with support ribs, which can effectively reduce the deformation of the connection part, and can form an interaction force with the card slot during the foaming process , to ensure the connection strength and sealing effect between the door seal and the door liner, prevent cold leakage, and improve reliability; the magnetic strip room is used to install magnetic strips, so that the door and the cabinet can be automatically adsorbed when the door is closed; the trapezoidal airbag can realize support The effect is to prevent the deformation of the magnetic strip chamber and ensure the installation of the magnetic strip is fixed; the setting of multiple connecting ribs can enhance the strength of the door seal and prevent damage to the door seal; the setting of the ribs can increase the friction of the door seal to prevent high temperature environment The lower door seal migrates and adheres to the side panels or the center beam, resulting in difficulty in opening the door and enhancing the user experience.

For the refrigeration container using the door seal, the door seal and the door liner are firmly connected, and there is almost no need to replace the door seal, which reduces the manpower consumption of maintenance and the amount of door seal, reduces the maintenance cost in the later period, and greatly improves the user experience.

Description of drawings

Fig. 1 is a structural representation of the door seal of the present invention;

Fig. 2 is a partial enlarged view of place A in Fig. 1;

Fig. 3 is a schematic structural view of the barbs and the supporting ribs in the second embodiment.

Among them, 1. connecting rib; 2. magnetic strip chamber; 3. rib; 4. trapezoidal airbag; 5. fin; 6. flanging; 7. barb; 71. inner cavity; , Connecting ribs; 10, Connecting ribs; 11, Base plate.

detailed description

The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that unless otherwise specified, the meaning of "plurality" is two or more; the terms "upper", "lower", "left", "right", "inner ", "outside", "front end", "rear end", "head", "tail", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first", "second", "third", etc. are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be interpreted in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

For the convenience of description, the orientation descriptions in this paper are based on the orientation shown in Figure 1.

Embodiment one:

As shown in Figure 1, the present invention discloses a door seal, which is mainly used on frequently opened doors and can achieve an effective sealing effect when the door is closed; the door seal of the present invention includes: a sealing airbag part and The snap tongue arranged under the sealing airbag part is used to connect the door body; the snap tongue includes a barb part 7 and a connecting part for connecting the barb part 7 and the sealing airbag part, so Both sides of the barbed part 7 protrude from the connecting part; the barbed part 7 is a solid structure as a whole.

Since the barbed part 7 that cooperates with the door liner is a solid structure, the deformation under the action of external force is very small and can be ignored; therefore, the door seal for this structure can be directly placed in the door liner in advance during the manufacture of the door liner In the card slot matched with the tab, the final process of foam molding is completed together with the door liner. During the foam molding process of the door liner, the foam material expands, the card slot shrinks, and the door liner exerts a certain force on the tongue. The pressure of the barb part 7 at the lower end of the tab is a solid structure, and the deformation of the west is very small under the action of the external force. Both sides protrude out of the connection part to form a limit structure, which can further prevent the door seal from falling off the door liner or the phenomenon of gaps, ensuring that the two are firmly connected without affecting the appearance.

Further, the upper end surface of the barb portion 7 is a plane or an inner concave surface. That is, as shown in Figures 2 and 3, compared with the planar structure, the inner concave surface will make the part of the barbed part 7 exposed outside the connecting part form a barb, which is more conducive to the connection between the door seal and the door liner.

Further, the connection part is provided with an inner cavity 71 . A supporting rib 8 is connected to the inner wall of the inner cavity 71 , and the supporting rib 8 is used to provide an outward thrust for the inner wall of the inner cavity 71 . That is, before the door seal is put into the door liner, the connecting part already has a tendency to expand outward under the action of the support rib 8; during the foaming process of the door liner, the door liner gradually does not exert pressure on the connection, and the cavity is avoided Gradually shrink inward. After the door liner is fully formed, the supporting ribs 8 and the door liner will form a pair of balanced forces acting on the outer wall of the cavity. This pair of forces will make the connecting part in a slightly compressed state, making the connection The inner part can be closely fitted with the door liner to ensure the connection and sealing effect of the two.

As shown in FIG. 3 , multiple supporting ribs 8 are preferably provided in the inner cavity 71 so as to further reduce deformation of the connecting portion.

Further, the support rib 8 is a bent structure.

For example, as shown in FIGS. 2 and 3 , the cross section of the support rib 8 is composed of at least two straight sides connected to each other, and there is an included angle between adjacent straight sides. The included angle can be obtuse angle, acute angle, etc., and can be specifically designed according to application requirements.

Of course, the support rib 8 can also be designed as an arc, that is, the cross section of the support rib 8 is composed of one or more arcs. There may be a smooth transition or a bent transition between the arcs, as long as the function of applying an outward thrust to the outer wall of the cavity can be realized.

Further, as shown in Figure 1, the sealed airbag part includes: a magnetic strip chamber 2, a trapezoidal airbag 4 and a substrate 11, and the magnetic strip chamber 2 is used to install a magnetic strip, so that the door and the cabinet can be automatically closed when the door is closed. Adsorption; the trapezoidal airbag 4 is arranged on one side of the magnetic stripe chamber 2 for supporting the magnetic stripe chamber 2 to ensure the fastening effect of the magnetic stripe; the substrate 11 is located below the magnetic stripe chamber 2, so that The base plate 11 is connected to the connecting portion; one end of the base plate 11 is provided with a flange 6 for covering the door liner; Rib connection, comprises the connecting rib 1 that is arranged on the left side, the connecting rib 9 that is arranged in the middle, the connecting rib 10 that is arranged on the right side, multi-track connection, avoids door seal damage; The outer side of connecting rib 10 is provided with fins 5, and fins 5 fit closely with the door liner, which can prevent cold air from leaking out; The setting is to increase the friction of the door seal, prevent the door seal from migrating and sticking to the side panel or the center beam in a high temperature environment, resulting in the difficulty of opening the door, and improving the user experience.

Embodiment two:

This embodiment discloses a refrigeration container, which has the door seal as described in Embodiment 1.

For example, for refrigerators, the door seal is pre-installed on the door liner. After the door liner is foamed and formed, the door seal and the door liner are firmly connected to ensure the sealing effect between the door and the refrigerator box. Even if it is opened frequently, the door seal will not fall off. phenomena to improve user experience.

Since the door seal is not easy to fall off, there is almost no need to repair and replace the door seal during use, which reduces the manpower consumption of maintenance and the amount of door seal, reduces the maintenance cost in the later period, and greatly improves the user experience.

Taking a step back, even if the door seal is aging and cannot be used due to the long service life of the refrigerator, because the door seal is a separately produced product, it can be repaired by replacing the door seal, and it is not irreplaceable.

It can be seen from the above embodiments that the present invention can pre-place the barbed part 7 in the card slot during the foaming process of the door liner by adopting the barb part 7 of a solid structure. The card groove of the door liner is closely matched to ensure the connection strength between the door seal and the door liner; the two sides of the barb 7 protrude to the outside of the connection part, which can form a barb structure with the door liner, further improving the connection between the door seal and the door liner. The connection strength of the liner prevents the door seal from falling off and prevents cold leakage; the cavity of the connection part is provided with support ribs 8, which can effectively reduce the deformation of the connection part, and can interact with the card slot during the foaming process force, to ensure the connection strength and sealing effect between the door seal and the door liner, prevent cold leakage, and improve reliability; the magnetic strip room 2 is used to install the magnetic strip, so that the door and the box can be automatically adsorbed when the door is closed; the trapezoidal airbag 4 It can realize the support effect, prevent the deformation of the magnetic strip chamber 2, and ensure the installation of the magnetic strip is fixed; the setting of multiple connecting ribs can enhance the strength of the door seal and prevent the damage of the door seal; the setting of the rib 3 can increase the friction of the door seal It can prevent the door seal from migrating and sticking to the side panel or the center beam under high temperature environment, resulting in the difficulty of opening the door and enhancing the user experience.

For the refrigerator using the door seal, the door seal and the door liner are firmly connected, and there is almost no need to replace the door seal, which reduces the manpower consumption of maintenance and the amount of door seal, reduces the maintenance cost in the later period, and greatly improves the user experience.

The above is only a preferred embodiment of the present invention, it should be pointed out that for those of ordinary skill in the art, without departing from the technical principle of the present invention, some improvements and replacements can also be made, these improvements and replacements It should also be regarded as the protection scope of the present invention.

Claims (10)

1. a door seal, is characterized in that, comprising: pressure bladder portion and the block tongue be arranged on below described pressure bladder portion, and described block tongue is used for connection door body; Described block tongue comprises hangnail portion (7) and the connecting portion for being connected described hangnail portion (7) and pressure bladder portion, and the both sides of described hangnail portion (7) protrude from described connecting portion; Described hangnail portion (7) entirety is solid construction.

2. door seal as claimed in claim 1, it is characterized in that, the upper surface of described hangnail portion (7) is plane or inner concave.

3. door seal as claimed in claim 1, it is characterized in that, described connecting portion is provided with inner chamber (71).

4. door seal as claimed in claim 3, it is characterized in that, the inwall of described inner chamber (71) is connected with brace rod (8), described brace rod (8) is for providing outside thrust for the inwall of described inner chamber (71).

5. door seal as claimed in claim 4, is characterized in that, be provided with many described brace rods (8) in described inner chamber (71).

6. door seal as claimed in claim 4, it is characterized in that, described brace rod (8) is bending structure.

7. door seal as claimed in claim 5, it is characterized in that, the cross section of described brace rod (8) is interconnected straight flange by least two sections and forms, and has angle between adjacent straight flange.

8. door seal as claimed in claim 5, it is characterized in that, the cross section of described brace rod (8) is made up of one or more snippets circular arc.

9. door seal as claimed in claim 1, it is characterized in that, described pressure bladder portion comprises: magnetic stripe room (2), trapezoidal air bag (4) and substrate (11), described magnetic stripe room (2) is for installing magnetic stripe, described trapezoidal air bag (4) is arranged on the side of described magnetic stripe room (2), described substrate (11) is positioned at the below of described magnetic stripe room (2), and described substrate (11) is connected with described connecting portion; One end of described substrate (11) is provided with flange (6);

Described substrate (11) and magnetic stripe room (2), to be connected by many dowels (1,9,10) between substrate (11) with trapezoidal air bag (4); The outside of the dowel (10) be connected with the upper surface of described trapezoidal air bag (4) is provided with fin (5);

The lateral surface of described magnetic stripe room (2) top wall is provided with some ribs (3).

10. a Refrigerating container, is characterized in that, has the door seal as described in any one of claim 1-9.