CN108836132A - Sealing strip and sealing structure and cooking apparatus with it - Google Patents

Abstract

The invention discloses a sealing strip, a sealing structure thereof, and a cooking utensil. The sealing structure comprises: an installation carrier, the installation carrier is provided with a positioning hole; a sealing strip, and the sealing strip is provided with a positioning The positioning protrusion fits into the positioning hole to install the sealing strip on the mounting carrier. The sealing structure according to the embodiment of the present invention has the advantages of good structural strength, not easily damaged, and convenient assembly.

Description

Sealing strip, sealing structure having same, and cooking utensil

technical field

The invention relates to the technical field of kitchen appliances, in particular to a sealing strip, a sealing structure thereof, and a cooking appliance.

Background technique

A free-standing oven is generally composed of a control box assembly, a cooktop plate assembly, a cavity assembly, and an oven door. In order to prevent water droplets from the cooktop from flowing into the oven from the gap between the control box and the cooktop, the gap between the control box and the cooktop is usually provided with a sealing structure, but the sealing structure is difficult to assemble and has a weak structure. Poor, easily damaged and other defects.

Contents of the invention

The present invention aims to solve at least one of the technical problems existing in the prior art. For this reason, the present invention proposes a sealing structure, which has the advantages of good structural strength, not easily damaged, and convenient assembly.

The present invention also proposes a cooking utensil and a sealing strip with the above-mentioned sealing structure.

The sealing structure according to the embodiment of the present invention includes: an installation carrier, the installation carrier is provided with a positioning hole; a sealing strip, the sealing strip is provided with a positioning protrusion integrally formed with it, and the positioning protrusion is matched with the positioning hole to install the sealing strip on the installation carrier.

The sealing structure according to the embodiment of the present invention has the advantages of good structural strength, not easily damaged, and convenient assembly.

In addition, the sealing structure according to the above-mentioned embodiments of the present invention may also have the following additional technical features:

According to some embodiments of the present invention, the positioning protrusion and the sealing strip are an integral elastic member.

According to some embodiments of the present invention, the positioning protrusion is provided with an engaging groove extending along its circumference, and the edge of the positioning hole is engaged in the engaging groove through elastic deformation of the positioning protrusion.

According to some embodiments of the present invention, the positioning protrusion includes: a connecting portion, the connecting portion is connected to the sealing strip; a tapered portion, the tapered portion is connected to the connecting portion and the tapered portion The cross-sectional area gradually decreases toward the direction away from the connecting portion; wherein, the maximum cross-sectional area of the tapered portion is larger than the cross-sectional area of the connecting portion, and the locking groove is composed of the tapered portion, the The connecting portion and the sealing strip are jointly defined.

According to some embodiments of the present invention, the positioning protrusion further includes: an extension part, the extension part is connected to an end of the tapered part away from the connection part, the cross-sectional area of the extension part is equal to the Minimum cross-sectional area of the tapered section.

According to some embodiments of the present invention, an end of the extension portion away from the tapered portion is configured in a spherical crown shape.

According to some embodiments of the present invention, the mounting carrier has a flange, the positioning hole is arranged on the flange and penetrates through the flange along the thickness direction of the flange, and the flange is configured such that the The part of the edge of the positioning hole is snapped into the slot.

According to some embodiments of the present invention, the flanging is a right-angle flanging.

According to some embodiments of the present invention, the width of the slot is less than or equal to the thickness of the flange.

According to some embodiments of the present invention, the sealing strip includes: a mounting part, the positioning protrusion is arranged on one side of the mounting part; a sealing part, the sealing part is connected with the mounting part and connected with the mounting part The portion is arranged vertically; wherein, in the width direction of the sealing portion, the thickness of the sealing portion gradually increases from both sides to the center.

According to some embodiments of the present invention, the installation part is located at the center of the sealing part in the width direction of the sealing part, and a junction between the installation part and the sealing part has a circular arc transition.

According to some embodiments of the present invention, a cross-section of a surface of the sealing portion facing away from the installation portion is arc-shaped.

According to some embodiments of the present invention, there are multiple positioning protrusions arranged at intervals along the length direction of the sealing strip, there are multiple positioning holes, and multiple positioning protrusions are matched with multiple positioning protrusions one by one. the positioning holes.

According to some embodiments of the present invention, the sealing strip and the positioning protrusion are integrated as a silicone part.

The cooking appliance according to the embodiment of the second aspect of the present invention includes the sealing structure according to the embodiment of the first aspect of the present invention.

According to some embodiments of the present invention, the cooking appliance is an oven and includes: a control box assembly, the control box assembly constitutes the installation carrier; a stove plate, and the sealing strip seals the control box assembly and the stove Gap between decks.

According to the sealing strip proposed in the embodiment of the third aspect of the present invention, the sealing strip is provided with a plurality of positioning protrusions integrally formed with it and arranged at intervals along its length direction, and the plurality of positioning protrusions are integrated with the sealing strip The elastic member, each of the positioning protrusions includes: a connecting part, the connecting part is connected to the sealing strip; a tapered part, the tapered part is connected to the connecting part and the cross section of the tapered part The area gradually decreases along the direction away from the connecting part; wherein, the maximum cross-sectional area of the tapered part is larger than the cross-sectional area of the connecting part, and the tapered part, the connecting part and the sealing The strips jointly define a slot, the positioning protrusion is adapted to pass through the positioning hole of the mounting carrier, and the edge of the positioning hole is snapped into the slot through elastic deformation of the positioning protrusion.

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and comprehensible from the description of the embodiments in conjunction with the following drawings, wherein:

Fig. 1 is a structural schematic diagram of a sealing structure according to an embodiment of the present invention;

Fig. 2 is a partially enlarged schematic diagram of place A in Fig. 1;

Fig. 3 is a structural schematic diagram of a sealing strip according to an embodiment of the present invention;

Fig. 4 is a partially enlarged schematic diagram of place B in Fig. 3;

5 is a schematic structural diagram of a sealing structure according to an embodiment of the present invention;

Fig. 6 is a partially enlarged schematic diagram of place C in Fig. 5;

Fig. 7 is a schematic structural view of a cooking appliance according to an embodiment of the present invention.

Reference signs:

Cooking appliance 1000; sealing structure 100;

Sealing strip 10; installation part 11; sealing part 12;

Positioning protrusion 20; card slot 201; connecting part 21; tapered part 22; extending part 23;

Mounting carrier 30; positioning hole 31; flange 32;

The control box assembly 200 ; the cooktop board 300 .

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

In describing the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", The orientation or positional relationship indicated by "right", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" etc. is based on the orientation or position shown in the drawings The positional relationship is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

A sealing structure 100 according to an embodiment of the first aspect of the present invention will be described below with reference to FIGS. 1-6 .

As shown in FIGS. 1 and 2 , a sealing structure 100 according to an embodiment of the present invention includes: an installation carrier 30 and a sealing strip 10 . Wherein, the mounting carrier 30 is provided with a positioning hole 31 , and the sealing strip 10 is provided with a positioning protrusion 20 integrally formed therewith. The positioning protrusion 20 fits into the positioning hole 31 to install the sealing strip 10 on the mounting carrier 30 .

Specifically, the sealing structure 100 is used to seal the gap between two adjacent target components, wherein the mounting carrier 30 is constructed by one of the two target components, and the other of the two target components is formed by extruding the sealing strip 10 The sealing strip 10 is closely attached to the installation carrier 30, so as to seal the gap between the two target components. The positioning protrusion 20 and the sealing strip 10 are integrally formed, that is, the positioning protrusion 20 and the sealing strip 10 are integrated, and the positioning protrusion 20 is suitable for cooperating with the positioning hole 31 on the mounting carrier 30, so that the sealing strip 10 is fixed on the mounting carrier 30.

According to the sealing structure 100 of the embodiment of the present invention, the sealing strip 10 and the positioning protrusion 20 are integrally processed and formed. The positioning protrusion 20 and the sealing strip 10 are integrally formed, the structure is simple, the processing is convenient, and the consistency of the overall structure is better, and it is not easy to be damaged. Furthermore, the sealing strip 10 can be installed on the installation carrier by fitting the positioning protrusion 20 to the positioning hole 31. Compared with the related art, the metal inlaid hook on the sealing strip 10 needs to be matched with the installation carrier 30, and the assembly is easier. convenient.

Therefore, the sealing structure 100 according to the embodiment of the present invention has the advantages of good structural strength, not easily damaged, and convenient assembly.

In some embodiments of the present invention, the positioning protrusion 20 and the sealing strip 10 are an integral elastic part. Specifically, the positioning protrusion 20 and the sealing strip 10 are manufactured through an integral processing and forming process, and the consistency of the overall structure is good, and the positioning protrusion 20 and the sealing strip 10 are made of elastic materials. The positioning protrusion 20 is elastically deformed and inserted into the positioning hole 31, and the positioning protrusion 20 is closely matched with the positioning hole 31 due to its own elastic effect, thereby further improving the matching effect between the positioning protrusion 20 and the positioning hole 31, and the installation is more convenient; Or, the sealing strip 10 is deformed by the extrusion of the two target components, and the sealing strip 10 can better fill the gap between the two target components due to its own elastic effect, preventing water and other sundries from entering the gap between the two target components. Thereby improving the effect of waterproof and dustproof.

In some optional examples of the present invention, as shown in FIG. 3 and FIG. 4 , the positioning protrusion 20 is provided with a locking groove 201 extending along its circumference, and the edge of the positioning hole 31 is locked by the elastic deformation of the positioning protrusion 20 . into the card slot 201.

Specifically, the side surface of the positioning protrusion 20 is provided with an inwardly recessed locking groove 201, the locking groove 201 extends along the circumferential direction of the positioning protrusion 20, and the positioning protrusion 20 enters the positioning hole 31 through elastic deformation until the positioning hole The edge of 31 is snapped into the slot 201. Preferably, the diameter of the positioning protrusion 20 is not smaller than the aperture of the positioning hole 31. In this way, the edge of the positioning hole 31 is snapped behind the slot 201, and the positioning hole 31 and the positioning protrusion 20 are not easy to separate, thereby improving the sealing strip 10 and the installation. The immobilization effect of the carrier 30.

In some specific examples of the present invention, as shown in FIG. 4 , the positioning protrusion 20 includes: a connecting portion 21 and a tapered portion 22 .

Wherein, the connecting portion 21 is connected to the sealing strip 10, the tapered portion 22 is connected to the connecting portion 21 and the cross-sectional area of the tapered portion 22 gradually decreases toward the direction away from the connecting portion 21, and the maximum cross-sectional area of the tapered portion 22 is larger than The cross-sectional area of the connecting portion 21 , the locking groove 201 is jointly defined by the tapered portion 22 , the connecting portion 21 and the sealing strip 10 .

Specifically, the tapered portion 22 is generally a truncated circular structure, and the cross-sectional shape of the tapered portion 22 passing through its central axis is generally an isosceles trapezoid. During the assembly process, as shown in Figure 2, the cross-sectional area of the tapered portion 22 is relatively large The smaller end first enters the positioning hole 31, and then the tapered portion 22 continues to enter the positioning hole 31 through elastic deformation until the end with a larger cross-sectional area of the tapered portion 22 passes through the positioning hole 31, as shown in Figures 5 and 6 As shown, at this time, the edge of the positioning hole 31 is snapped into the slot 201 , and the assembly of the sealing strip 10 and the installation carrier 30 is completed. Therefore, the installation of the sealing strip 10 is more convenient and labor-saving, and the matching effect between the positioning protrusion 20 and the positioning hole 31 is better, and the connection effect between the sealing strip 10 and the installation carrier 30 is further improved.

Further, the maximum cross-sectional area of the tapered portion 22 is greater than the inner diameter of the positioning hole 31, and the minimum cross-sectional area of the tapered portion 22 is smaller than the inner diameter of the positioning hole 31, thus, it can be ensured that the tapered portion 22 will elastically deform the positioning hole. The edge of 31 is snapped into the slot 201 , and the positioning protrusion 20 will not disengage from the positioning hole 31 , thereby further improving the fixing effect between the sealing strip 10 and the installation carrier 30 .

Optionally, continuing to refer to the embodiment shown in FIG. 4 , the positioning protrusion 20 further includes an extension portion 23 . The extension part 23 is connected to an end of the tapered part 22 away from the connecting part 21 , and the cross-sectional area of the extension part 23 is equal to the minimum cross-sectional area of the tapered part 22 . Specifically, the extension part 23 is generally a cylinder, and the extension part 23 is connected to one end of the tapered part 22 with a smaller cross-sectional area. The extension part 23 is suitable for the staff to hold by hand to assemble the positioning protrusion 20 into the positioning hole 31, Therefore, the installation of the sealing strip 10 is more convenient.

It can be understood that the connection portion 21 , the tapered portion 22 and the extension portion 23 are integrally formed, thus the overall structural strength of the positioning protrusion 20 is relatively good.

According to a further embodiment of the present invention, as shown in FIG. 4 , the end of the extension portion 23 away from the tapered portion 22 is configured as a spherical crown. Compared with the planar structure at the end of the extension part 23 far away from the tapered part 22 , the spherical end surface has no edges and corners, so it is not easy to be worn by the outside world, thereby prolonging the service life of the positioning protrusion 20 .

In some specific examples of the present invention, as shown in FIG. 1 and FIG. 2 , the mounting carrier 30 has a flange 32, the positioning hole 31 is arranged on the flange 32 and runs through the flange 32 along the thickness direction of the flange 32, and the flange 32 The portion configured as the edge of the positioning hole 31 snaps into the slot 201 . Thus, the processing of the positioning hole 31 is more convenient, and it is convenient in space to pass the positioning protrusion 20 through the positioning hole 31, and the spatial layout is better.

Optionally, the flange 32 is a right-angle flange. In other words, the flange 32 is arranged perpendicular to the plane where the mounting carrier 30 is located, and the flange 32 is parallel to the side of the sealing strip 10 , thus, the positioning protrusion 20 is assembled in the positioning hole 31 and the contact between the flange 32 and the sealing strip 10 The area is larger, and the sealing effect is further improved.

Further, the width of the slot 201 is less than or equal to the thickness of the flange 32 . The width of the draw-in groove 201 is the distance between the end face with a larger cross-sectional area of the tapered portion 22 and the sealing strip 10. Like this, the flanging 32 is clamped behind the draw-in groove 201, because the thickness of the flanging 32 is greater than or equal to the draw-in groove 201, the groove 201 is elastically deformed so that the edge of the positioning hole 31 of the flange 32 is clamped in the groove 201, that is, the end surface of the tapered part 22 and the side surface of the sealing strip 10 are respectively attached to the flange 32. On both sides of the two sides, the locking groove 201 has a better effect of limiting the flange 32 in the axial direction of the connecting portion 21, thereby further improving the fixing effect of the sealing strip 10 and the flange 32.

In some embodiments of the present invention, as shown in FIGS. 3 and 4 , the sealing strip 10 includes a mounting portion 11 and a sealing portion 12 .

Wherein, the positioning protrusion 20 is arranged on one side of the mounting portion 11, the sealing portion 12 is connected to the mounting portion 11 and is vertically arranged with the mounting portion 11, and in the width direction of the sealing portion 12, the thickness of the sealing portion 12 is from both sides to the center. gradually increased.

It should be noted here that the width direction of the sealing part 12 is the front-rear direction shown in FIG. 3, the thickness direction of the sealing part 12 is the up-down direction in FIG. The lower end surface of part 12 is in contact with the upper end surface of two target parts respectively, and installation part 11 is positioned between two target parts, and positioning projection 20 is connected with installation part 11, thus, sealing part 12 can prevent sundries such as water or dust from entering The gap between the two target parts, thus further improving the sealing effect.

Optionally, continuing to refer to the embodiment shown in FIG. 3 and FIG. 4 , the installation part 11 is located at the center of the sealing part 12 in the width direction of the sealing part 12 , and the connection between the installation part 11 and the sealing part 12 has a circular arc transition. In other words, the mounting portion 11 is connected to the center of the sealing portion 12 in the front-rear direction of the sealing portion 12, and the connection between the mounting portion 11 and the sealing portion 12 is configured with a circular arc, thereby improving the connection between the mounting portion 11 and the connecting portion 21. The structural strength of the sealing strip 10 is not easily damaged.

Further, as shown in FIG. 4 , the cross-section of the surface of the sealing portion 12 facing away from the mounting portion 11 is arc-shaped. Specifically, the upper surface of the sealing portion 12 is formed as an arc-shaped surface with a high center and low front and rear sides, thereby further strengthening the structural strength of the sealing strip 10 .

According to some embodiments of the present invention, as shown in Fig. 1 and Fig. 3, there are a plurality of positioning protrusions 20 arranged at intervals along the length direction of the sealing strip 10, there are a plurality of positioning holes 31, and a plurality of positioning protrusions 20 are arranged one by one Correspondingly matched with a plurality of positioning holes 31 . In this way, the positioning effect of the sealing strip 10 relative to the installation carrier 30 is better, and the fixing effect of the sealing strip 10 is further improved.

In some embodiments of the present invention, the sealing strip 10 and the positioning protrusion 20 are integrated as a silicone piece. That is to say, the sealing strip 10 and the positioning protrusion 20 are an integral part made of silicone material. The silicone part has good elasticity, high temperature resistance, stable chemical properties, and low cost, which can reduce the manufacturing cost of the sealing structure 100 .

A cooking appliance 1000 according to an embodiment of the second aspect of the present invention will be described below with reference to FIG. 7 .

As shown in FIG. 7 , a cooking appliance 1000 according to an embodiment of the present invention includes a sealing structure 100 according to an embodiment of the first aspect of the present invention.

The cooking utensil 1000 according to the embodiment of the present invention, by using the sealing structure 100 according to the embodiment of the first aspect of the present invention, has the advantages of the sealing structure 100 having good strength, not easy to be damaged, convenient assembly, and good waterproof and dustproof effect.

According to some embodiments of the present invention, continue to refer to the embodiment shown in FIG. 7 , the cooking appliance 1000 is an oven and includes: a control box assembly 200 and a stovetop 300 . Specifically, the two target components are the control box assembly 200 and the cooktop board 300, the control box assembly 200 constitutes the installation carrier 30, and the sealing strip 10 is installed on the control box assembly 200 to seal the gap between the control box assembly 200 and the cooktop board 300. gap.

The weather strip 10 according to an embodiment of the third aspect of the present invention will be described below with reference to FIGS. 3 and 4 .

As shown in Fig. 3 and Fig. 4, according to the sealing strip 10 of the embodiment of the present invention, the sealing strip 10 is provided with a plurality of positioning protrusions 20 integrally formed with it and arranged at intervals along its length direction, and the plurality of positioning protrusions 20 are in contact with the sealing strip. The strip 10 is an elastic part, and each positioning protrusion 20 includes a connecting portion 21 and a tapered portion 22 .

Wherein, the connecting portion 21 is connected to the sealing strip 10, the tapered portion 22 is connected to the connecting portion 21 and the cross-sectional area of the tapered portion 22 gradually decreases along the direction away from the connecting portion 21, and the maximum cross-sectional area of the tapered portion 22 Greater than the cross-sectional area of the connecting portion 21, the tapered portion 22, the connecting portion 21 and the sealing strip 10 jointly define a slot 201, the positioning protrusion 20 is suitable for passing through the positioning hole 31 of the mounting carrier 30 and the edge of the positioning hole 31 passes through The elastic deformation of the positioning protrusion 20 snaps into the slot 201 .

The sealing strip 10 according to the embodiment of the present invention has the advantages of good structural strength, not easily damaged, and convenient assembly.

Other configurations and operations of the sealing strip 10 according to the embodiment of the present invention, the sealing structure 100 thereof, and the cooking utensil 1000 are known to those skilled in the art, and will not be described in detail here.

In the description of this specification, descriptions with reference to the terms "some embodiments", "illustrative embodiments", "examples", "specific examples" or "some examples" mean that specific features described in connection with the embodiments or examples , structure, material or characteristic is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and modifications can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the invention is defined by the claims and their equivalents.

Claims (17)

1. a kind of sealing structure, which is characterized in that including：

Carrier is installed, the installation carrier is equipped with location hole；

Sealing strip, the sealing strip, which is equipped with, is matched with the location hole with its integrally formed positioning protrusion, the positioning protrusion The sealing strip is installed on the installation carrier.

2. sealing structure according to claim 1, which is characterized in that the positioning protrusion and the sealing strip are integrated bullet Property part.

3. sealing structure according to claim 2, which is characterized in that the positioning protrusion is equipped with the card along its circumferentially extending The edge of slot, the location hole is caught in the card slot by the elastic deformation of the positioning protrusion.

4. sealing structure according to claim 3, which is characterized in that the positioning protrusion includes：

Interconnecting piece, the interconnecting piece are connected to the sealing strip；

Tapered portion, the tapered portion is connected to the interconnecting piece and the cross-sectional area of the tapered portion is directed away from the interconnecting piece Direction be gradually reduced；

Wherein, the maximum cross-section area of the tapered portion is greater than the cross-sectional area of the interconnecting piece, and the card slot is by the taper Portion, the interconnecting piece and the sealing strip limit jointly.

5. sealing structure according to claim 4, which is characterized in that the positioning protrusion further includes：

Extension, the extension be connected to the tapered portion far from the interconnecting piece one end, the extension it is transversal Area is equal to the smallest cross-section area of the tapered portion.

6. sealing structure according to claim 5, which is characterized in that one end far from the tapered portion of the extension It is configured to spherical.

7. sealing structure according to claim 3, which is characterized in that the installation carrier has flange, the location hole Run through the flange set on the flange and along the thickness direction of the flange, the flange is configured to the location hole edge Part be caught in the card slot.

8. sealing structure according to claim 7, which is characterized in that the flange is right angle flange.

9. sealing structure according to claim 7, which is characterized in that the width of the card slot is less than or equal to the flange Thickness.

10. sealing structure according to claim 1 to 9, which is characterized in that the sealing strip includes：

Mounting portion, the positioning protrusion are set to the side of the mounting portion；

Sealing, the sealing connect with the mounting portion and are vertically arranged with the mounting portion；

Wherein, in the width direction of the sealing, the thickness of the sealing from two sides to center from be gradually increased.

11. sealing structure according to claim 10, which is characterized in that the mounting portion is in the width side of the sealing Upwards at the center of the sealing, the junction arc transition of the mounting portion and the sealing.

12. sealing structure according to claim 10, which is characterized in that the table backwards to the mounting portion of the sealing The cross section in face is arc-shaped.

13. sealing structure according to claim 1 to 9, which is characterized in that the positioning protrusion be it is multiple and Along the sealing strip length direction interval be arranged, the location hole be it is multiple, multiple positioning protrusion are matched correspondingly Together in multiple location holes.

14. sealing structure according to claim 1 to 9, which is characterized in that the sealing strip and the positioning Protrusion is integrated silica gel part.

15. a kind of cooking apparatus, which is characterized in that including sealing structure described according to claim 1 any one of -14.

16. cooking apparatus according to claim 15, which is characterized in that the cooking apparatus be oven and including：

Case assembly is controlled, the control case assembly constitutes the installation carrier；

Hearth plate, the sealing strip seal the gap between the control case assembly and the hearth plate.

17. a kind of sealing strip, which is characterized in that the sealing strip is equipped with and is integrally formed with it and is spaced setting along its length Multiple positioning protrusion, multiple positioning protrusion and the sealing strip be integrated elastic component, and each positioning protrusion includes：

Interconnecting piece, the interconnecting piece are connected to the sealing strip；

Tapered portion, the tapered portion is connected to the interconnecting piece and the cross-sectional area edge of the tapered portion is directed away from the connection The direction in portion is gradually reduced；

Wherein, the maximum cross-section area of the tapered portion is greater than the cross-sectional area of the interconnecting piece, the tapered portion, the connection Portion and the sealing strip limit card slot jointly, and the positioning protrusion is adapted to pass through the location hole of installation carrier and the location hole Edge the card slot is caught in by the elastic deformation of the positioning protrusion.