CN214164893U

CN214164893U - Sound insulation assembly and automobile door frame cushion body mechanism

Info

Publication number: CN214164893U
Application number: CN202023288857.8U
Authority: CN
Inventors: 朴贤柱
Original assignee: SANKEN ELECTRONIC MANUFACTURING (DONGGUAN) CO LTD
Current assignee: SANKEN ELECTRONIC MANUFACTURING (DONGGUAN) CO LTD
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-09-10
Anticipated expiration: 2030-12-30

Abstract

The utility model belongs to the technical field of automobile cushion body accessories, in particular to a sound insulation component and an automobile door frame cushion body mechanism, wherein the sound insulation component comprises a connecting ring, a mounting ring, a butt ring and a buffer ring, and the connecting ring is arranged at the circumferential edge position of the end part of an automobile door close to an automobile body; the mounting ring is arranged on the end face, far away from the vehicle door, of the connecting ring and is positioned at one end, close to the outside of the vehicle, of the connecting ring, an opening cavity is formed in the mounting ring, and an opening of the opening cavity is formed in one side, close to the outside of the vehicle, of the mounting ring; the abutting ring is arranged at the end part of the mounting ring close to the vehicle body, and one end of the abutting ring close to the inside of the vehicle extends back to the mounting ring to form an extending connecting part; the buffer ring is connected between the extension connecting part and the connecting ring to form a buffer cavity, and a bending structure is arranged in the middle of the buffer ring; cushion ring and collar are formed by the preparation of soft gluey material structure, and the collar through deformation effectively expands the mouth end of opening die cavity, makes the smooth shaping of sound hole structure of inhaling, guarantees to inhale sound effect, is favorable to the enterprise development.

Description

Sound insulation assembly and automobile door frame cushion body mechanism

Technical Field

The utility model belongs to the technical field of the automobile cushion body accessory, especially, relate to a sound insulation assembly and automobile door frame cushion body mechanism.

Background

The automobile door frame is frequently used for opening and closing, a special sealing structure needs to be installed on the edge structure of the automobile door frame, so that in the driving process, external noise such as automobile noise and the like is transmitted into an automobile from gaps of the automobile door frame, the driving experience of passengers is influenced, most of the traditional sealing structures are formed by connecting a foaming sponge sealing strip and a clamping part in a U shape into a whole, a plurality of teeth are arranged on the edge of the inner side of the clamping part, a metal framework in a U shape is fixed in the clamping part, the end face of the edge is connected with a section of sponge lip edge, an anti-freezing layer is coated on the foaming sponge sealing strip, and a layer of flocking layer or flannelette is connected to the surface of the clamping part.

The sound insulation principle of this structure is according to the porous material characteristic of sponge, cotton flannel, and the sound hole is inhaled in order to separate the noise in formation, but when door frame and automobile body laminating, seal structure received the extrusion, inhales the sound hole structure and will warp, leads to, and the sound absorbing effect descends by a wide margin, and the practicality reduces, is unfavorable for the enterprise development.

Simultaneously, this seal structure adopts the sponge, porous characteristic materials such as cotton flannel still carry out certain cushioning effect in order to carry out the door to the vibration for the vacuole formation, prevent that the door vibration from colliding the automobile body and fashioned noise influence passenger in the automobile, however, same behind door and automobile body extrusion seal structure, seal structure takes place deformation, the cavity warp and lead to the buffering effect to reduce by a wide margin, even door and automobile body extrusion seal structure's in-process, the cavity inner wall that the porous structure of sponge and cotton flannel material formed receives inside too big pressure chamber and leads to seal structure to break and damage, seriously influence seal structure's practicality.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a subassembly and vapour door frame pad body mechanism gives sound insulation, and the seal structure who aims at solving among the prior art receives the extrusion, inhales the sound hole structure and will warp, leads to, and the sound absorbing effect descends by a wide margin, the technical problem that the practicality reduces.

In order to achieve the above object, an embodiment of the present invention provides a sound insulation assembly, which is suitable for an automobile door frame cushion mechanism, and includes a connection ring, a mounting ring, a butt ring, and a buffer ring, wherein the connection ring is disposed at a circumferential edge position of an end portion of an automobile door close to an automobile body; the mounting ring is arranged on the end face, far away from the vehicle door, of the connecting ring and is positioned at one end, close to the outside of the vehicle, of the connecting ring, an opening cavity is formed in the mounting ring, and an opening of the opening cavity is formed in one side, close to the outside of the vehicle, of the mounting ring; the abutting ring is arranged at the end part of the mounting ring close to the vehicle body, and one end of the abutting ring close to the inside of the vehicle extends back to the mounting ring to form an extending connecting part; the buffer ring is connected between the extension connecting part and the connecting ring so as to be matched with the connecting ring, the mounting ring and the abutting ring to form a buffer cavity, and a bending structure is arranged at the middle position of the buffer ring; the end part of the extending connecting part, which is close to the buffering ring, inclines towards the inside of the vehicle to form an inclined guide abutting surface, the cross section of the mounting ring is arranged in an arc-shaped structure, and the buffering ring and the mounting ring are made of soft rubber materials.

Optionally, the buffer ring and the mounting ring are made of PP, PE or silica gel.

Optionally, the opening cavity comprises a first sound absorption hole and a second sound absorption hole, one end of the first sound absorption hole is communicated with the outer side of the mounting ring, the second sound absorption hole is formed in the other end of the first sound absorption hole and communicated with the first sound absorption hole, and the cross-sectional area of the second sound absorption hole is larger than that of the first sound absorption hole.

Optionally, the cross sections of the first sound absorbing hole and the second sound absorbing hole are both arranged in a rectangular structure, and the whole cross section of the open cavity is arranged in a T-shaped structure.

Optionally, the cross section of the opening cavity is of a rectangular structure, the opening cavity is provided with two openings, and the opening cavity penetrates through the mounting ring and the buffer cavity.

Optionally, the end of the abutting ring close to the vehicle body is provided with a suction groove which is formed by being concave back to the vehicle body.

Optionally, the inner wall of the opening cavity is provided with a plurality of groups of convex ribs for increasing the contact area between the inner wall of the opening cavity and the outside air.

Optionally, the convex rib is arranged in a thread-like structure, and the convex rib is drilled by a thread drilling machine to form the end part of the mounting ring.

Optionally, the cross section of the bending structure is arranged in a strip-shaped corrugated structure or a sawtooth-shaped corrugated structure.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the sound insulation subassembly have one of following technological effect at least: the working principle of the sound insulation assembly is as follows: when the vehicle door is closed on the vehicle body, the extending connecting part inclines towards the direction of the buffer ring through the inclined abutting surface, so that the arc-shaped mounting ring gradually returns to the right, and the opening of the opening cavity arranged on the mounting ring is expanded; compare in the door frame sealing strip among the prior art adopt to inhale the sound hole and give sound insulation, door and automobile body extrusion make easily and inhale sound hole deformation, and the effect that gives sound insulation is poor, is unfavorable for the technical problem of enterprise development, the embodiment of the utility model provides a soundproof component effectively expands the mouth end of opening die cavity through the collar of deformation, makes to inhale the smooth shaping of sound hole structure, guarantees to inhale the sound effect, and then improves the syllable-dividing function of this soundproof component, is favorable to enterprise development.

In order to achieve the above object, an embodiment of the present invention provides an automobile door frame cushion body mechanism, including the above-mentioned noise insulation assembly and at least a set of magnetic buffer assembly for reducing the amplitude of the automobile door, the magnetic buffer assembly is disposed at the end of the automobile door close to the automobile body and located at one side of the noise insulation assembly.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the automobile door frame gasket mechanism have one of following technological effect at least: because the automobile door frame cushion body mechanism adopts the sound insulation assembly, and the working principle of the sound insulation assembly is as follows: when the vehicle door is closed on the vehicle body, the extending connecting part inclines towards the direction of the buffer ring through the inclined abutting surface, so that the arc-shaped mounting ring gradually returns to the right, and the opening of the opening cavity arranged on the mounting ring is expanded; compare in the door frame sealing strip among the prior art adopt to inhale the sound hole and give sound insulation, door and automobile body extrusion make easily and inhale sound hole deformation, and the effect that gives sound insulation is poor, is unfavorable for the technical problem of enterprise development, the embodiment of the utility model provides a soundproof component effectively expands the mouth end of opening die cavity through the collar of deformation, makes to inhale the smooth shaping of sound hole structure, guarantees to inhale the sound effect, and then improves the syllable-dividing function of this soundproof component, is favorable to enterprise development.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural view of a sound insulation assembly according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of the sound insulation assembly according to the embodiment of the present invention when the vehicle door is closed.

Fig. 3 is a schematic structural view of a soundproof assembly with an adsorption groove provided by an embodiment of the present invention when a vehicle door is closed.

Fig. 4 is a schematic view of a sound barrier assembly according to another embodiment of the present invention when the door is closed.

Fig. 5 is a schematic view of a sound barrier assembly according to another embodiment of the present invention when the door is closed.

Fig. 6 is a schematic structural diagram of a magnetic buffering assembly according to an embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a magnetic damping assembly according to an embodiment of the present invention when a vehicle door is closed.

Fig. 8 is a schematic structural view of a magnetic damping assembly according to another embodiment of the present invention when a vehicle door is closed.

Wherein, in the figures, the respective reference numerals:

10-connecting ring 20-mounting ring 30-abutment ring

40-buffer ring 31-extension connecting part 21-opening cavity

211-first sound-absorbing hole 212-second sound-absorbing hole 213-ribs

50-first abutment part 60-second abutment part 51-first mounting pad

52-first movable pad 53-first magnetic member 54-second magnetic member

55-first flexible connecting piece 61-second mounting pad 62-second movable pad

63-third magnetic element 65-second flexible connecting element 64-fourth magnetic element.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-8 are exemplary and intended to be used to illustrate embodiments of the present invention, and should not be construed as limiting the invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 1 to 8, there is provided a sound insulation assembly suitable for an automobile door frame cushion mechanism, comprising a connection ring 10, a mounting ring 20, a butt ring 30 and a cushion ring 40, wherein the connection ring 10 is disposed at an end circumferential edge position of a vehicle door close to a vehicle body; the mounting ring 20 is arranged on the end surface of the connecting ring 10 far away from the vehicle door and is positioned at one end of the connecting ring 10 close to the vehicle exterior, an opening cavity 21 is arranged on the mounting ring 20, and the opening of the opening cavity 21 is arranged at one side of the mounting ring 20 close to the vehicle exterior; the abutting ring 30 is arranged at the end part of the mounting ring 20 close to the vehicle body, and one end of the abutting ring 30 close to the vehicle interior extends back to the mounting ring 20 to form an extending connecting part 31; the buffer ring 40 is connected between the extension connection part 31 and the connection ring 10 to form a buffer cavity by matching with the connection ring 10, the mounting ring 20 and the abutment ring 30, and a bent structure is arranged at the middle position of the buffer ring 40; the end part of the extending connection part 31, which is close to the buffer ring 40, is inclined towards the inside of the vehicle to form an inclined guide abutting surface, the cross section of the mounting ring 20 is arranged in an arc-shaped structure, and the buffer ring 40 and the mounting ring 20 are both made of soft rubber materials.

Specifically, the working principle of the sound insulation assembly is as follows: when the door is closed on the vehicle body, the extending connecting part 31 inclines towards the direction of the buffer ring 40 through the inclined abutting surface, so that the arc-shaped mounting ring 20 is gradually aligned, and the opening of the opening cavity 21 arranged on the mounting ring 20 is expanded; compare in the door frame sealing strip among the prior art adopt to inhale the sound hole and give sound insulation, door and automobile body extrusion make easily and inhale sound hole deformation, and the effect that gives sound insulation is poor, is unfavorable for the technical problem of enterprise development, the embodiment of the utility model provides a soundproof component effectively expands opening die cavity 21's mouth end through the collar 20 of deformation, makes to inhale the smooth shaping of sound hole structure, guarantees to inhale the sound effect, and then improves this soundproof component's sound-proof function, is favorable to the enterprise development.

As shown in fig. 1-8, in another embodiment of the present invention, the buffering ring 40 and the mounting ring 20 are made of PP, PE or silica gel, in this embodiment, the buffering ring 40, the mounting ring 20, the abutting ring 30 and the connecting ring 10 are made of PP, PE or silica gel, the buffering ring 40, the mounting ring 20, the abutting ring 30 and the connecting ring 10 are integrally formed by injection molding or thermosetting, and the integral forming structure is adopted to facilitate improving the structural strength of the buffering mechanism and prolong the service life of the buffering mechanism.

As shown in fig. 1-8, in another embodiment of the present invention, the opening cavity 21 includes a first sound absorbing hole 211 and a second sound absorbing hole 212, the one end of the first sound absorbing hole 211 communicates with the outside of the mounting ring 20, the second sound absorbing hole 212 is disposed at the other end of the first sound absorbing hole 211 and communicates with the first sound absorbing hole 211, the cross-sectional area of the second sound absorbing hole 212 is greater than the first sound absorbing hole 211, and a porous structure is adopted to facilitate the energy exhaustion after the sound is transmitted to the opening cavity 21, thereby improving the sound insulation effect.

As shown in fig. 1 to 8, in another embodiment of the present invention, the cross-section of the first sound absorbing hole 211 and the second sound absorbing hole 212 is rectangular, the whole cross-section of the opening cavity 21 is T-shaped, and the edge of the T-shaped structure can effectively prevent sound from coming out of the opening cavity 21.

As shown in fig. 1-8, in another embodiment of the present invention, the cross section of the opening cavity 21 is a rectangular structure, the opening cavity 21 is provided with two openings, the opening cavity 21 runs through the mounting ring 20 and the buffering cavity, and the sound absorption hole structure that runs through is adopted to facilitate providing sufficient space to prevent sound from continuously propagating and permeating into the vehicle.

As shown in fig. 1-8, in another embodiment of the present invention, the end of the abutting ring 30 close to the car body faces away from the adsorption groove of the car body depression forming, and the concave adsorption groove structure is adopted to facilitate the car door closing, and the edge of the concave adsorption groove forms a suction cup structure to the car body, thereby effectively improving the sealing performance between the car door and the car body.

As shown in fig. 1-8, in another embodiment of the present invention, the inner wall of the opening cavity 21 is provided with a plurality of sets of ribs 213 for increasing the contact area between the inner wall of the opening cavity 21 and the outside air, and the ribs 213 are adopted to increase the collision probability between the sound propagation and the inner wall of the opening cavity 21, thereby increasing the sound insulation effect.

As shown in fig. 1-8, in another embodiment of the present invention, the rib 213 is a screw thread structure, the rib 213 is drilled by a screw drilling machine to form the end of the mounting ring 20, and is formed by a drilling machine, the rib 213 is beneficial to improving the manufacturing efficiency of the sound insulation assembly, and is beneficial to enterprise development.

As shown in fig. 1-8, in the utility model discloses a further embodiment, bending structure's cross-section is bar ripple column structure or the setting of zigzag ripple column structure, and when adopting ripple form or zigzag structure to be favorable to the door to close, buffer ring 40 can be along the folding buffer structure who forms the spring form of crease, is favorable to offsetting the vibration effect between door and the automobile body, realizes inhaling the sound function.

As shown in fig. 1-8, another embodiment of the present invention provides an automobile door frame cushion mechanism, which includes the above-mentioned sound insulation assembly and at least one set of magnetic buffer assembly for reducing the amplitude of the door, the magnetic buffer assembly is disposed at the end of the door close to the automobile body and located at one side of the sound insulation assembly, in this embodiment, the number of the magnetic buffer assemblies is three.

As shown in fig. 1 to 8, in another embodiment of the present invention, the magnetic buffering assembly includes a first abutting member 50 and a second abutting member 60, which are symmetrically disposed, and the first abutting member 50 and the second abutting member 60 are respectively disposed at opposite ends of the door frame edge of the automobile and the automobile body; the first abutting part 50 comprises a first mounting pad 51, a first movable pad 52, a first magnetic element 53, a second magnetic element 54 and a first soft connecting piece 55, the first mounting pad 51 is arranged at the position close to the vehicle body at the edge of the vehicle door frame, the first soft connecting piece 55 is positioned at the side of the first mounting pad 51 far away from the vehicle door, the first soft connecting piece 55 is connected between the first mounting pad 51 and the first movable pad 52, the first magnetic element 53 and the second magnetic element 54 are respectively arranged in the first mounting pad 51 and the second mounting pad 61, and the first magnetic element 53 and the second magnetic element 54 are respectively arranged in opposite magnetic poles at the opposite ends; the second abutting part 60 comprises a second mounting pad 61, a second movable pad 62, a third magnetic element 63, a fourth magnetic element 64 and a second flexible connecting element 65, the second mounting pad 61 is arranged at a position close to the edge of the door of the vehicle body, the second flexible connecting element 65 is positioned at one side of the second mounting pad 61 away from the vehicle body, the second flexible connecting element 65 is connected between the second mounting pad 61 and the second movable pad 62, the third magnetic element 63 and the fourth magnetic element 64 are respectively arranged in the second mounting pad 61 and the second mounting pad 61, and the opposite ends of the third magnetic element 63 and the fourth magnetic element 64 are respectively arranged in the same magnetic polarity; wherein, the ends of the second magnetic member 54 and the fourth magnetic member 64 opposite to each other are respectively in opposite magnetic poles.

In this embodiment, as shown in fig. 6, in the direction from the door to the vehicle body, the magnetic poles at the two ends of the first magnetic member 53 are an S pole and an N pole in sequence, the magnetic poles at the two ends of the second magnetic member 54 are an N pole and an S pole in sequence, the magnetic poles at the two ends of the third magnetic member 63 are an N pole and an S pole in sequence, and the magnetic poles at the two ends of the fourth magnetic member 64 are an S pole and an N pole in sequence.

Specifically, the working principle of the magnetic buffer assembly is as follows: when the vehicle door is in an open state, the first mounting pad 51 and the first movable pad 52 are mutually repelled by the like magnetic poles of the first magnetic element 53 and the second magnetic element 54, the second mounting pad 61 and the second movable pad 62 are mutually repelled by the like magnetic poles of the third magnetic element 63 and the fourth magnetic element 64, the first flexible connecting element 55 guides the first movable pad 52 to be stabilized on one side of the first mounting pad 51, and the second flexible connecting element 65 guides the second movable pad 62 to be stabilized on one side of the second mounting pad 61; when the vehicle door is closed, the second magnetic part 54 and the third magnetic part 63 are mutually attracted through opposite magnetic poles, so that the first movable pad 52 and the second movable pad 62 are tightly attached to form a movable integral structure, between the vehicle door and the vehicle body, a buffer structure aiming at the vehicle door and the vehicle body is formed on the first mounting pad 51 and the second mounting pad 61 which are respectively mounted on the vehicle door and the vehicle body through the repulsive force of the first magnetic part 53 and the fourth magnetic part 64 to the integral movable structure, and the movable integral structure vibrates along with the vehicle door and the vehicle body to consume the vibration energy of the vehicle door and the vehicle body so as to realize the buffer effect; compare the sealed blotter of door frame simple structure among the prior art, buffering effect is general, and damages easily, and life is short, the low technical problem of practicality, the utility model discloses a magnetic structure forms reliable buffering body, avoids the atmospheric pressure to buffer structure's the harm condition effectively, and magnetic structure is effective for a long time, and buffering effect is showing, is favorable to improving this buffering subassembly's practicality and life, is favorable to the enterprise development.

As shown in fig. 1 to 8, in another embodiment of the present invention, the first magnetic member 53, the second magnetic member 54, the third magnetic member 63 and the fourth magnetic member 64 are respectively disposed at the middle positions of the first mounting pad 51, the first movable pad 52, the second mounting pad 61 and the second movable pad 62, the number of the first flexible connecting members 55 and the second flexible connecting members 65 is multiple, multiple sets of the first flexible connecting members 55 are uniformly distributed between the first mounting pad 51 and the first movable pad 52, multiple sets of the second flexible connecting members 65 are uniformly distributed between the second mounting pad 61 and the second movable pad 62, and the multiple sets of the flexible connecting members are used to improve the structural stability of the first movable pad 52 and the second movable pad 62 and prevent the first movable pad 52 and the second movable pad 62 from being separated, is favorable for prolonging the practicability of the buffer component.

As shown in fig. 1-8, in another embodiment of the present invention, the second flexible connecting member 65 and the first flexible connecting member 55 are made of a woven fabric or nylon wire, the second flexible connecting member 65 is sewn between the second mounting pad 61 and the second movable pad 62, the first flexible connecting member 55 is sewn between the first mounting pad 51 and the first movable pad 52, and a woven fabric structure or a nylon wire structure is adopted, so that the first movable pad 52 and the second movable pad 62 can be stabilized, and the vibration of the first movable pad 52 and the second movable pad 62 can be facilitated, and the structure is simple, and the manufacturing is convenient, which is beneficial to enterprise development.

As shown in fig. 1 to 8, in another embodiment of the present invention, the number of the first magnetic member 53, the second magnetic member 54, the third magnetic member 63 and the fourth magnetic member 64 is multiple sets, and the multiple sets of the first magnetic member 53, the multiple sets of the second magnetic member 54, the multiple sets of the third magnetic member 63 and the multiple sets of the fourth magnetic member 64 are respectively and uniformly distributed on the first mounting pad 51, the first movable pad 52, the second mounting pad 61 and the second movable pad 62, so that the multiple sets of the magnetic members are favorable for improving the magnetic strength, and further enhance the buffering effect.

As shown in fig. 1 to 8, in another embodiment of the present invention, the first magnetic member 53, the second magnetic member 54, the third magnetic member 63, and the fourth magnetic member 64 are all ndfeb magnets, which are small in size and strong in magnetism, and are optimal magnetic structures among various magnetic materials that can be used between the vehicle door and the vehicle body.

As shown in fig. 1-8, in another embodiment of the present invention, the first movable cushion 52 and the second movable cushion 62 are provided with a first butt edge and a second butt edge respectively on the opposite end surfaces, and the first butt edge and the second butt edge are clamped and adapted to improve the structural stability of the movable overall structure by using the clamping and adapting, so as to prevent the dislocation of the first movable cushion 52 and the second movable cushion 62 from affecting the structural stability.

As shown in fig. 1 to 8, in another embodiment of the present invention, the first abutting edge and the second abutting edge are arranged in a stripe wave structure or a zigzag structure.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A sound insulating assembly adapted for use with an automotive door frame gasket mechanism, comprising:

the connecting ring is arranged at the circumferential edge position of the end part of the vehicle door close to the vehicle body;

the mounting ring is arranged on the end face, far away from the vehicle door, of the connecting ring and is positioned at one end, close to the outside of the vehicle, of the connecting ring, an opening cavity is formed in the mounting ring, and an opening of the opening cavity is formed in one side, close to the outside of the vehicle, of the mounting ring;

the abutting ring is arranged at the end part of the mounting ring close to the vehicle body, and one end of the abutting ring close to the inside of the vehicle extends back to the mounting ring to form an extending connecting part;

the buffer ring is connected between the extension connecting part and the connecting ring so as to form a buffer cavity by matching with the connecting ring, the mounting ring and the abutting ring, and a bending structure is arranged at the middle position of the buffer ring;

the end part of the extending connecting part, which is close to the buffering ring, inclines towards the inside of the vehicle to form an inclined guide abutting surface, the cross section of the mounting ring is arranged in an arc-shaped structure, and the buffering ring and the mounting ring are made of soft rubber materials.

2. The acoustic baffle assembly of claim 1 wherein: the buffer ring and the mounting ring are made of PP, PE or silica gel materials.

3. The acoustic baffle assembly of claim 1 wherein: the opening die cavity comprises a first sound absorption hole and a second sound absorption hole, one end of the first sound absorption hole is communicated with the outer side of the mounting ring, the second sound absorption hole is formed in the other end of the first sound absorption hole and communicated with the first sound absorption hole, and the cross-sectional area of the second sound absorption hole is larger than that of the first sound absorption hole.

4. The acoustic baffle assembly of claim 3 wherein: the cross sections of the first sound absorbing hole and the second sound absorbing hole are both arranged in a rectangular structure, and the whole cross section of the opening cavity is arranged in a T-shaped structure.

5. The acoustic baffle assembly of claim 1 wherein: the cross section of the opening cavity is of a rectangular structure, the opening cavity is provided with two openings, and the opening cavity penetrates through the mounting ring and the buffer cavity.

6. The acoustic baffle assembly of claim 1 wherein: the end part of the abutting ring close to the vehicle body is back to the adsorption groove formed by the vehicle body in a concave mode.

7. The acoustic baffle assembly of claim 1 wherein: the inner wall of the opening cavity is provided with a plurality of groups of convex ribs for improving the contact area between the inner wall of the opening cavity and the outside air.

8. The acoustic baffle assembly of claim 7 wherein: the fin is the screw thread column structure setting, the fin is bored through screw drilling machine and is attacked the tip shaping of collar.

9. The acoustic baffle assembly of claim 1 wherein: the section of the bending structure is in a strip-shaped corrugated structure or a sawtooth-shaped corrugated structure.

10. The utility model provides an automobile door frame gasket mechanism which characterized in that: the vehicle door noise insulation device comprises a noise insulation component and at least one set of magnetic buffer components, wherein the magnetic buffer components are used for reducing the vibration amplitude of the vehicle door, and are arranged at the end part, close to a vehicle body, of the vehicle door and are positioned on one side of the noise insulation component.