CN214775331U - Metal framework inside automobile sealing strip - Google Patents

Abstract

The utility model relates to an inside metal framework of car sealing strip belongs to the technical field of car sealing strip skeleton, and it includes a plurality of parallel and interval arrangement's fin, every adjacent two all be equipped with a plurality of connection pieces between the fin, the connection piece sets up along the width direction of fin, the both ends of connection piece respectively with the fin fixed connection of both sides, the connection piece between two adjacent fins all along the length direction interval distribution of fin. Utilize the cooperation of fin and connection piece, make the skeleton can enough buckle along the length direction of fin and stereotype, can buckle along the length direction of connection piece again and stereotype to this flexibility that has improved whole skeleton and has buckled.

Description

Metal framework inside automobile sealing strip

Technical Field

The application relates to the field of automobile sealing strip frameworks, in particular to an internal metal framework of an automobile sealing strip.

Background

The automobile sealing strip is widely applied to the positions of doors, bodies, skylights and the like of automobiles, so that the automobiles have good sealing performance, and plays an important role in water resistance, sound insulation, dust prevention, heat preservation and the like of the automobiles. The automobile sealing strip mainly comprises a metal framework and rubber coated on the metal framework, wherein the metal framework mainly plays a supporting role, the shape of the rubber is kept, and the safety and the sealing performance of the sealing strip after installation are ensured.

However, when the automobile is subjected to an installation environment with large variation of bending amplitude, such as a trunk of an automobile, the conventional framework has poor flexibility and cannot be well adapted to bending variation of an installation position, so that the reliability after sealing is low.

SUMMERY OF THE UTILITY MODEL

In order to make the skeleton more nimble, can adapt to the great installation link of bending amplitude variation, this application provides an inside metal framework of car sealing strip.

The application provides a pair of inside metal framework of automobile sealing strip adopts following technical scheme:

the utility model provides an inside metal framework of automobile sealing strip, includes a plurality of parallel and interval arrangement's fin, every adjacent two all be equipped with a plurality of connection pieces between the fin, the connection piece sets up along the width direction of fin, the both ends of connection piece respectively with the fin fixed connection of both sides, the connection piece between two adjacent fins all along the length direction interval distribution of fin.

Through adopting above-mentioned technical scheme, the fin is buckled along self length direction easily, it is better to make the crooked design effect of whole skeleton on fin length direction, a plurality of connection pieces can play the purpose of connecting two adjacent fins, and the connection piece of interval distribution can not be too much increase the hardness between two adjacent fins, the plasticity effect preferred that makes the skeleton position between two adjacent fins, and the connection piece is also comparatively easy buckles along self length direction, thereby make the skeleton still be convenient for buckle along the length direction of connection piece and stereotype, with this flexibility that whole skeleton was buckled has been improved, the suitability of skeleton is improved.

Optionally, the number of the connecting pieces is two, a supporting piece is fixedly arranged between the two connecting pieces, two ends of the supporting piece along the length direction of the fin are respectively and fixedly connected with the two connecting pieces, and the supporting piece and the adjacent fin are arranged at intervals.

Through adopting above-mentioned technical scheme, the backing sheet can strengthen the structural strength between two connection pieces, makes the stability of improving two connection pieces in the in-process of buckling to the flexibility influence of backing sheet to the skeleton is less.

Optionally, the support sheet is arranged obliquely, and an acute included angle is formed between a center line of the support sheet and a center line of the fin.

By adopting the technical scheme, on the premise of not increasing the distance between the two connecting sheets, the length of the supporting sheet between the two connecting sheets is longer, the supporting sheet is easier to bend along the length direction, and the influence of the supporting sheet on the bending flexibility of the whole framework is further reduced.

Optionally, the central line of the support sheet and the central line of the fin form an acute angle of 15 °.

By adopting the technical scheme, the length of the supporting pieces can be better in bending performance, and the reinforcing effect of the two supporting pieces can be better.

Optionally, two adjacent fins are all fixed with two extension pieces on the side wall that is close to each other, and two extension pieces that are located on same fin are located fin length direction's both sides respectively, and the connection piece of being connected with the fin is located between two extension pieces on this fin, and the extension piece that corresponds one side also interval distribution on two adjacent fins.

Through adopting above-mentioned technical scheme, the extension piece prolongs the fin to the clearance of two adjacent fins in, with rubber cladding back on the skeleton, the area of contact of fin and rubber is bigger, has improved the support and the design effect of skeleton to rubber.

Optionally, the fin is provided with a through hole in the middle along the length direction thereof.

Through adopting above-mentioned technical scheme, the through-hole can reduce the structural strength of fin middle part, makes the fin more easily along the length direction buckling deformation of self.

Optionally, the profile of the through hole is elliptical, and the long axis of the through hole is arranged along the length direction of the fin.

Through adopting above-mentioned technical scheme, the through-hole of ellipse shape is great in the area of seting up at its minor axis position, and the fin is crooked here more easily, and along with the through-hole extends to the fin both sides, the interval of two lateral walls of through-hole can diminish gradually, makes the structural strength that the through-hole position was seted up to the fin can not hang down excessively.

Optionally, each end corner of the fin is provided with a round corner.

By adopting the technical scheme, the fillet can reduce the sharpness degree of the end angle part of the fin, so that rubber is not easy to be pierced by the end angle of the fin after being coated with the fin, and the stability and the safety of the sealing strip formed by the framework and the rubber are better.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by utilizing the matching of the fins and the connecting sheets, the framework can be bent and shaped along the length direction of the fins and can also be bent and shaped along the length direction of the connecting sheets, so that the bending flexibility of the whole framework is improved;

2. the design of the supporting sheet increases the structural strength of the position between the two connecting sheets, and the inclined supporting sheet is easier to bend, so that the bending flexibility of the framework is less influenced by the supporting sheet;

3. the design of through-hole further reduces the structural strength of its middle part on the fin, makes the fin buckle along self length direction more easily, further improves the flexibility that the skeleton was buckled, makes the application scope of skeleton more extensive.

Drawings

Fig. 1 is a schematic view showing the structure of a skeleton in example 1 of the present application.

Fig. 2 is a schematic view showing the structure of the skeleton in example 2 of the present application.

Fig. 3 is a schematic view showing the structure of the skeleton in example 3 of the present application.

Description of reference numerals: 1. a fin; 11. an extension sheet; 12. round corners; 13. a through hole; 2. connecting sheets; 3. a support sheet.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses inside metal framework of automobile sealing strip.

Example 1

Referring to fig. 1, the frame includes a plurality of fins 1, the fins 1 are rectangular flat plates, all the fins 1 are parallel to each other, and all the fins 1 are uniformly distributed at intervals along the width direction of the fins. Every two adjacent fins 1 all are equipped with a plurality of connection pieces 2 between, and connection piece 2 links together two adjacent fins 1, makes all fins 1 constitute the inside skeleton of automobile sealing strip jointly. The connecting piece 2 is a rectangular flat plate arranged along the width direction of the fin 1, two ends of the connecting piece 2 are respectively fixedly connected with the two adjacent fins 1, and all the connecting pieces 2 positioned between the two adjacent fins 1 are uniformly distributed at intervals along the length direction of the fins 1.

Fin 1 and connection piece 2 are all comparatively easy to buckle the design along the length direction of self to make whole skeleton all have good bending performance on the length direction of fin 1 and the length direction of connection piece 2, the flexibility preferred, application scope is more extensive.

Referring to fig. 1, the number of the connecting pieces 2 is even, the connecting pieces 2 with the even number are divided into two groups with the same number, and the two groups of the connecting pieces 2 on the same fin 1 are symmetrically distributed along the length direction of the fin 1 in a mirror image manner, so that the middle part of the fin 1 is not connected with the connecting pieces 2, and the fin 1 can be bent along the length direction of the fin with the middle part of the fin as a reference.

The length-width ratio of the fins 1 to the connecting pieces 2 is 5:1, so that the bending effect of the fins 1 and the connecting pieces 2 in the length direction of the fins is more obvious, the overall structural strength is not too low, and the stability of the whole framework is improved. Moreover, the length of the fin 1 is 3/5 of the length of the connecting sheet 2, so that the size of the connecting sheet 2 cannot be too small, and the good connection strength of two adjacent fins 1 is ensured.

Referring to fig. 1, each fin 1 is provided with a through hole 13, each through hole 13 is in an elliptical structure, each through hole 13 is located at the center of gravity of the fin 1, and the long axis of each through hole 13 is arranged along the length direction of the fin 1.

Under the effect of through-hole 13, can reduce the structural strength of fin 1 at self middle part, make fin 1 buckle more easily, the plasticity effect is better, and oval-shaped design, the size diminishes gradually when making through-hole 13 extend to fin 1 both sides, the structural strength of excessive reduction fin 1.

Referring to fig. 1, two adjacent fins 1 all set firmly two extension pieces 11 on being close to each other's the lateral wall, extension piece 11 also is rectangular plate structure, and two extension pieces 11 that lie in fin 1 with one side lie in fin 1 respectively along self length direction's both sides, and all connection pieces 2 all are in between two extension pieces 11, and, between two adjacent fins 1, lie in two extension piece 11 intervals setting with one side, and the clearance of two extension pieces 11 is 1/10 of connection piece 2 length.

Under the effect of two extension pieces 11, fill the space between two adjacent fins 1, after the good rubber of follow-up skeleton cladding, extension piece 11 can increase the area of contact of fin 1 with rubber, under the prerequisite of guaranteeing to improve good plasticity design effect to rubber, can also provide better supporting effect to the position of rubber between two adjacent fins 1.

Referring to fig. 1, in addition, the end corner of each extension piece 11 is set to be a round corner 12, the round corner 12 can reduce the sharpness of the end parts of the fin 1 and the extension piece 11, and after the rubber is coated on the framework subsequently, the phenomenon that the end corner of the fin 1 and the extension piece 11 punctures the rubber is not easy to occur, and the stability and the safety of the subsequent sealing strip after being installed on an automobile are better.

In this embodiment, fin 1, connection piece 2 and extension piece 11 homogeneous body shaping, structural strength is higher to make the skeleton can adopt the mode integrated processing shaping of punching press or wire-electrode cutting, the processing mode is simple, and the cost is lower.

Example 2

The present embodiment differs from embodiment 1 in that the number of the connection pieces 2 is two, and the support piece 3 is provided between the two connection pieces 2.

Referring to fig. 2, the support sheet 3 is also a rectangular flat plate structure, the support sheet 3 is arranged along the length direction of the fins 1, two ends of the support sheet 3 along the length direction are respectively and fixedly connected with two connection sheets 2 on the same fin 1, the support sheet 3 and two adjacent fins 1 are distributed at equal intervals, and the distance between the support sheet 3 and each fin 1 is equal.

The support sheet 3 can increase the connection strength of the two connection sheets 2, so that the distance between the two connection sheets 2 is not easy to change greatly in the bending process, and the structural stability of the whole framework is effectively ensured.

In this embodiment, the length of the support sheet 3 is 1/3 of the length of the fin 1, so that the support sheet 3 can be easily bent along the length direction thereof, and the degree of influence on the bending flexibility of the whole frame is small.

Example 3

The present embodiment is different from embodiment 2 in that the position structure of the support sheet 3 between the two connection sheets 2 is different.

Referring to fig. 3, in the present embodiment, the supporting sheets 3 are obliquely disposed between the two connecting sheets 2, the center line of the supporting sheets 3 forms an angle of 15 ° with the center line of the fin 1, and all the supporting sheets 3 are parallel to each other.

After the support sheet 3 is obliquely arranged, on the premise that the distance between the two connection sheets 2 is not increased, the length of the support sheet 3 between the two connection sheets 2 can be prolonged, so that the support sheet 3 can be bent along the length direction of the support sheet 3 more easily and can also be bent along with the fin 1 or the connection sheets 2 more easily, and the influence of the support sheet 3 on the bending flexibility of the framework is further reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides an inside metal framework of car sealing strip which characterized in that: including a plurality of parallel and interval arrangement's fin (1), every adjacent two all be equipped with a plurality of connection pieces (2) between fin (1), connection piece (2) set up along the width direction of fin (1), the both ends of connection piece (2) respectively with fin (1) fixed connection of both sides, connection piece (2) between two adjacent fins (1) all along the length direction interval distribution of fin (1).

2. The automotive weatherstrip inner metal framework according to claim 1, wherein: the quantity of connection piece (2) is two, two still set firmly backing sheet (3) between connection piece (2), backing sheet (3) along fin (1) length direction's both ends respectively with two connection piece (2) fixed connection, just backing sheet (3) and adjacent fin (1) equal interval set up.

3. The automotive weatherstrip inner metal framework according to claim 2, wherein: the supporting pieces (3) are obliquely arranged, and the center line of each supporting piece (3) and the center line of each fin (1) form an acute included angle.

4. The automotive weatherstrip inner metal framework according to claim 3, wherein: the middle line of the supporting sheet (3) and the middle line of the fin (1) form an acute angle of 15 degrees.

5. The automotive weatherstrip inner metal framework according to claim 1, wherein: two adjacent fin (1) all set firmly two extension pieces (11) on the lateral wall that is close to each other, two extension pieces (11) that are located on same fin (1) are located fin (1) length direction's both sides respectively, and connection piece (2) of being connected with fin (1) are in between two extension pieces (11) on this fin (1), and extension piece (11) that correspond one side on two adjacent fin (1) are also interval distribution.

6. The automotive weatherstrip inner metal framework according to claim 1, wherein: the fin (1) is provided with a through hole (13) along the middle part of the length direction of the fin.

7. The automotive weatherstrip according to claim 6, wherein said metal frame comprises: the profile of the through hole (13) is elliptical, and the long axis of the through hole (13) is arranged along the length direction of the fin (1).

8. The automotive weatherstrip inner metal framework according to any one of claims 1 to 7, wherein: each end corner of the fin (1) is set to be a round corner (12).

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