CN220947668U - Seat unlocking mechanism, seat and vehicle - Google Patents

Abstract

The application provides a seat unlocking mechanism, a seat and a vehicle, and belongs to the technical field of automobile accessories, wherein the seat unlocking mechanism comprises a sliding rail assembly, a handle and a sound insulation pad, the sliding rail assembly comprises a fixed rail, a movable rail, a locking mechanism and an unlocking pin, the movable rail is connected with the fixed rail in a sliding manner, the locking mechanism is connected between the fixed rail and the movable rail, and the locking mechanism is used for limiting the braking rail to slide along the fixed rail; the unlocking pin is arranged on the movable rail and connected with the locking mechanism and used for unlocking the limit of the locking mechanism on the movable rail; the middle part of the handle is hinged with the movable rail, the handle comprises a pressing end and a handle end, and the pressing end is positioned above the unlocking pin; in the unlocking state, the handle end is lifted upwards, and the pressing end presses down the unlocking pin so as to release the limit of the locking mechanism on the movable rail; the sound insulation pad is arranged on one side of the pressing end facing the unlocking pin. According to the seat unlocking mechanism, the sound insulation pad is arranged to replace the handle to be in contact with the unlocking pin, so that abnormal sound generated by collision between the handle and the unlocking pin during unlocking is avoided, and driving experience is improved.

Description

Seat unlocking mechanism, seat and vehicle

Technical Field

The application relates to the technical field of automobile accessories, in particular to a seat unlocking mechanism, a seat and a vehicle.

Background

The automobile seat provides a convenient operation, comfortable and safe driving environment for drivers and passengers. In order to meet the comfort of drivers and passengers, the automobile seat is developed from an initial fixed seat to an existing seat with an adjusting function, and the position and the shape of the seat can be adjusted according to the requirements of the drivers and passengers.

Currently, a slide rail type unlocking mode is generally adopted for an automobile seat, and an unlocking handle is arranged on the periphery of the automobile seat, for example, the bottom of the automobile seat, so that the automobile seat is unlocked, and the automobile seat is adjusted. But in the process of operating unlocking, the unlocking handle collides with the unlocking pin on the sliding rail to generate abnormal sound, so that the use experience is very influenced.

Disclosure of utility model

In view of the above, the application aims to provide a seat unlocking mechanism to solve the problems of noise and influence on the use experience in the prior art when a seat is unlocked.

In order to achieve the above purpose, the technical scheme of the application is realized as follows:

A seat unlocking mechanism comprising: the sliding rail assembly comprises a fixed rail, a movable rail, a locking mechanism and an unlocking pin, wherein the movable rail is in sliding connection with the fixed rail; the locking mechanism is connected between the fixed rail and the movable rail and used for limiting the movable rail to slide along the fixed rail; the unlocking pin is arranged on the movable rail and connected with the locking mechanism and used for releasing the limit of the locking mechanism on the movable rail;

The middle part of the handle is hinged with the movable rail, the handle comprises a pressing end and a handle end, and the pressing end is positioned above the unlocking pin;

And the sound insulation pad is arranged on one side of the pressing end, which faces the unlocking pin.

Through above-mentioned technical scheme, the sound insulation pad sets up in pressing the one side of end orientation unlocking pin, makes the sound insulation pad be located between handle and the unlocking pin, and handle and unlocking pin direct collision produce abnormal sound when avoiding the unblock, have solved the noise problem, have promoted the use and have experienced.

Further, the sound insulation pad includes a body portion connected to the pressing end and located between the pressing end and the unlocking pin, and a thickness of a center of the body portion is greater than a thickness of an edge of the body portion.

Through the technical scheme, the thickness of the center of the main body part is larger than that of the edge of the main body part, so that the contact between the main body part and the unlocking pin is in point contact during unlocking, and compared with a surface contact or line contact mode, the friction force caused by dislocation is reduced, and noise is further reduced.

Further, the sound insulation pad further comprises a limiting part, the limiting part is connected to one side, close to the unlocking pin, of the main body part, the limiting part is arranged along the edge of the main body part in a surrounding mode, a limiting space is formed between the limiting part and the main body part, and the top end of the unlocking pin extends into the limiting space.

Through above-mentioned technical scheme, through setting up spacing portion, carry out spacingly to the circumference of spacer pin, when avoiding the operation unblock, the top deviation sound insulation pad of spacer pin guarantees to guarantee the sound insulation effect when guaranteeing smooth unblock.

Further, along the length direction of the movable rail, the height of the limiting part gradually increases from the end part to the middle part.

Through the technical scheme, along the length direction of the movable rail, the height of the end part of the limiting part is lower than that of the middle part, so that the distance between the end part and the surface of the movable rail is larger, and the end part of the limiting part can be prevented from contacting the surface of the movable rail in advance to interfere with the unlocking process during unlocking operation, so that the unlocking is ensured to be smooth.

Further, along the length direction of the movable rail, the bottom edge of the limiting part is arc-shaped.

Through above-mentioned technical scheme, the bottom edge of spacing portion sets up to the arc, and the structure transition is slick and sly, convenient processing production.

Further, the material of the sound insulation pad includes rubber.

Through above-mentioned technical scheme, the pad that gives sound insulation adopts the rubber material, has high pliability, good elasticity for during the unblock operation, contact between pad that gives sound insulation and the unblock round pin is soft contact, avoids collision to produce the noise, and rubber possesses excellent heat-resisting ageing resistance simultaneously, is favorable to promoting product life.

Further, the sound insulation pad further comprises a mounting part, wherein the mounting part is connected to one side of the main body part, which is far away from the unlocking pin; the pressing end is provided with a mounting hole, and the mounting part passes through the mounting hole to be clamped with the handle.

Through above-mentioned technical scheme, through setting up the installation department, with pressing the mounting hole joint cooperation on the end, realized that the connection between sound insulation pad and the handgrip is fixed.

Further, the mounting part comprises a mounting column and a mounting cap which are integrally connected, the mounting column is mounted in the mounting hole, the circumferential dimension of the mounting cap is larger than the outer diameter of the mounting column, and the bottom of the mounting cap is abutted with the surface of the pressing end; the center of the mounting column and the center of the mounting cap are provided with shaft holes.

Through the technical scheme, the mounting column penetrates through the mounting hole, and the mounting cap protrudes out of the surface of the pressing end and is in butt joint with the surface of the pressing end to form a limit, so that the stability of connection is guaranteed.

Further, the main body part, the limiting part and the mounting part are of an integrated structure.

Through above-mentioned technical scheme, the pad that gives sound insulation adopts integrated into one piece structure, and overall structure is simple, and integrated multiple function can play the sound insulation effect again can play limiting displacement, simultaneously, integrated into one piece's technological process is simple, can improve production efficiency, reduction in production cost.

Further, the sound insulation pad is connected with the pressing end of the handle in a hot melting mode.

Through above-mentioned technical scheme, adopt the hot melt to connect and further guarantee that the connection of sound insulation pad and hand (hold) is firm, can prevent effectively that the product from becoming flexible or coming off the abnormal sound that causes.

Compared with the prior art, the seat unlocking mechanism has the following advantages:

(1) The seat unlocking mechanism comprises a sliding rail assembly, a handle and a sound insulation pad, wherein the sliding rail assembly comprises a fixed rail, a movable rail, a locking mechanism and an unlocking pin, and the movable rail is in sliding connection with the fixed rail; the locking mechanism is connected between the fixed rail and the movable rail and used for limiting the movable rail to slide along the fixed rail; the unlocking pin is arranged on the movable rail and connected with the locking mechanism and used for releasing the limit of the locking mechanism on the movable rail; the middle part of the handle is hinged with the movable rail, the handle comprises a pressing end and a handle end, and the pressing end is positioned above the unlocking pin; the seat unlocking mechanism comprises an unlocking state, in the unlocking state, the handle end is lifted upwards, and the pressing end presses the unlocking pin downwards, so that the unlocking pin releases the limit of the locking mechanism on the movable rail; the sound insulation pad is arranged on one side of the pressing end, which faces the unlocking pin. Through setting up the pad that gives sound insulation in the one side that the handle pressed the end towards the unlocking pin, make the pad that gives sound insulation be located between pressing the end and the unlocking pin, at the in-process of operating handle unblock, the handle is not direct with the unlocking pin contact to avoid handle and unlocking pin direct collision to produce abnormal sound, and the in-process gives sound insulation pad preferentially with move rail surface contact, can also avoid the handle to bump with moving rail surface and produce abnormal sound, play good sound insulation and make an uproar effect of falling, promote the driving experience.

(2) According to the seat unlocking mechanism disclosed by the application, the sound insulation pad comprises the main body part, the main body part is connected to the pressing end and is positioned between the pressing end and the unlocking pin, the thickness of the center of the main body part is larger than that of the edge of the main body part, when the pressing end of the handle presses down the unlocking pin, the center area of the main body part is contacted with the top surface of the unlocking pin, the thickness of the center area of the main body part is increased, so that the contact between the unlocking pin and the main body part is in point contact, and compared with a surface contact or line contact mode, friction generated by dislocation can be reduced, and noise generation is further reduced.

(3) The seat unlocking mechanism further comprises a limiting part, wherein the limiting part is connected to one side, close to the unlocking pin, of the main body part, the limiting part is arranged along the edge of the main body part in a surrounding mode, a limiting space is formed between the limiting part and the main body part, and the top end of the unlocking pin extends into the limiting space; through setting up spacing portion, can carry out spacingly to the circumference of unlocking the lockpin, prevent to take place to deviate between the top of unlocking the lockpin and the sound insulation pad in the operation process, also can ensure the sound insulation effect when guaranteeing smooth unblock.

The application also provides a seat, which comprises the seat unlocking mechanism.

The seat has the same advantages as the seat unlocking mechanism described above with respect to the prior art, and will not be described in detail here.

The application also proposes a vehicle comprising a seat unlocking mechanism as described above or a seat as described above.

The vehicle has the same advantages as the seat unlocking mechanism described above over the prior art, and will not be described in detail here.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:

Fig. 1 is a schematic structural view of a seat unlocking mechanism according to an embodiment of the present application;

Fig. 2 is a schematic diagram of a second structure of a seat unlocking mechanism according to an embodiment of the present application;

fig. 3 is a schematic structural view of a sound insulation pad in a seat unlocking mechanism according to an embodiment of the present application;

FIG. 4 is a cross-sectional view of a sound dampening shoe in a seat unlocking mechanism according to an embodiment of the present disclosure;

fig. 5 is an assembly schematic diagram of a sound insulation pad in a seat unlocking mechanism according to an embodiment of the application.

Reference numerals illustrate:

1. Rail fixing; 2. a movable rail; 3. unlocking the lock pin; 4. a handle; 41. a handle end; 42. a pressing end; 5. a sound insulation pad; 51. a main body portion; 52. a limit part; 53. a mounting part; 531. a mounting column; 532. and (5) installing a cap.

Detailed Description

It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.

In addition, references to "upper", "lower", "left", "right", etc. in the embodiments of the present application indicate that the apparatus or elements referred to have been described in a particular orientation, constructed and operated based on the orientation or positional relationship shown in the drawings, and are not intended to limit the present application, but are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, construct and operate in a particular orientation. Moreover, relational terms such as "first," "second," "third," and the like may be used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities or order, nor should it be construed as indicating or implying relative importance. In the embodiments of the present application and the drawings, the "X direction" refers to the longitudinal direction of the vehicle, the "Y direction" refers to the width direction of the vehicle, and the "Z direction" refers to the height direction of the vehicle.

The application will be described in detail below with reference to the drawings in connection with embodiments.

In the related art, in order to meet the comfort of drivers and passengers, an automobile seat is developed from an initial fixed seat to an existing seat with an adjusting function, and the position and the shape of the seat can be adjusted according to the requirements of the drivers and passengers. The car seat is usually unlocked by a slide rail type, and the car seat is adjusted by providing an unlocking handle at the periphery of the car seat, for example, at the bottom of the car seat, to unlock the car seat. When the operation is unlocked, the handle end of the handle is lifted, the pressing end of the handle is used for pressing the unlocking pin downwards, so that the unlocking pin is used for unlocking the locking of the locking mechanism to the sliding rail assembly, and due to the fact that the unlocking handle and the unlocking pin are metal pieces, abnormal sound can be generated when the unlocking handle and the unlocking pin collide with each other, obvious noise exists when the operation is unlocked, and driving experience is greatly affected.

In view of the above, an embodiment of the application provides a seat unlocking mechanism.

Referring to fig. 1, a seat unlocking mechanism includes: the sliding rail assembly comprises a fixed rail 1, a movable rail 2, a locking mechanism and an unlocking pin 3, wherein the movable rail 2 is in sliding connection with the fixed rail 1; the locking mechanism is connected between the fixed rail 1 and the movable rail 2 and used for limiting the movable rail 2 to slide along the fixed rail 1; the unlocking pin 3 is arranged on the movable rail 2 and connected with the locking mechanism, and is used for releasing the limit of the locking mechanism on the movable rail 2;

The middle part of the handle 4 is hinged with the movable rail 2, the handle 4 comprises a pressing end 42 and a handle end 41, and the pressing end 42 is positioned above the unlocking pin 3; the seat unlocking mechanism comprises an unlocking state, in which the handle end 41 is lifted up, and the pressing end 42 presses down the unlocking pin 3, so that the unlocking pin 3 releases the limit of the locking mechanism on the movable rail 2;

And a sound insulation pad 5 disposed on a side of the pressing end 42 facing the unlocking pin 3.

Specifically, referring to fig. 1 and 2, the movable rail 2 and the fixed rail 1 are both arranged along the length direction of the vehicle, the middle part of the handle 4 is hinged on the movable rail 2 through a rotating shaft, one end of the handle 4 is a handle end 41, the operation of a driver is facilitated, the other end of the handle 4 is a pressing end 42, and the unlocking pin 3 is connected on the movable rail 2 through a spring and is located below the pressing end 42. When the seat needs to be adjusted, the handle end 41 of the handle 4 is held to be lifted upwards, the handle 4 rotates around the hinge point, the pressing end 42 of the handle 4 presses the unlocking pin 3, the unlocking pin 3 moves downwards to unlock the locking mechanism on the movable rail 2, and the movable rail 2 can slide along the fixed rail 1, so that the aim of adjusting the state of the seat is fulfilled.

Because the sound insulation pad 5 sets up in the one side of pressing end 42 towards unlocking pin 3, therefore the sound insulation pad 5 is located between pressing end 42 and the unlocking pin 3, at the in-process of operating handle 4 unblock, handle 4 is not direct with unlocking pin 3 contact, but by sound insulation pad 5 and unlocking pin 3 contact, and then avoided handle 4 and unlocking pin 3 direct collision to produce abnormal sound, and, in the operation process sound insulation pad 5 preferentially with move rail 2 surface contact, can also avoid handle 4 to bump with moving rail 2 surface and produce abnormal sound, finally reach the effect of making an uproar that falls that gives sound insulation, be favorable to promoting the driving experience.

Further, the sound insulation pad 5 includes a main body portion 51, the main body portion 51 is connected to the pressing end 42 and located between the pressing end 42 and the unlocking pin 3, and a thickness of a center of the main body portion 51 is greater than a thickness of an edge of the main body portion 51.

Referring to fig. 4 and 5, the soundproof pad 5 includes a main body portion 51, an upper end surface of the main body portion 51 is connected with the pressing end 42 of the handle 4, a lower end surface of the main body portion 51 is in contact with the unlocking pin 3 when being used for unlocking, and a thickness of a center of the main body portion 51 is greater than a thickness of an edge. Since the circumferential dimension of the main body portion 51 is larger than the diameter of the unlocking pin 3, when the handle 4 is unlocked, the main portion of the lower end surface of the main body portion 51, which is in contact with the top surface of the unlocking pin 3, is located at the center of the main body portion 51, and the distance between the center and the top surface of the unlocking pin 3 is nearest by increasing the thickness of the center of the main body portion 51, so that the contact between the main body portion 51 and the unlocking pin 3 is in point contact during unlocking operation, and compared with the surface contact or line contact, the friction force generated by dislocation can be effectively reduced, and the noise is further reduced.

Further, the sound insulation pad 5 further includes a limiting portion 52, the limiting portion 52 is connected to one side of the main body portion 51, which is close to the unlocking pin 3, the limiting portion 52 is circumferentially disposed along the edge of the main body portion 51, a limiting space is formed between the limiting portion 52 and the main body portion 51, and the top end of the unlocking pin 3 extends into the limiting space.

Referring to fig. 3, a limiting part 52 is connected to the lower end surface of the main body part 51, and a circle of limiting holes with lower openings are formed between the limiting part 52 and the main body part 51 along the edge of the main body part 51; referring to fig. 5, the lowest position of the bottom surface of the limiting part 52 is lower than the top surface of the unlocking pin 3, so that the top end of the unlocking pin 3 is ensured to extend into the limiting space, the limiting part 52 can block and limit the unlocking pin 3 from the circumferential direction of the unlocking pin 3, and the influence of the deviation of the positions of the unlocking pin 3 and the sound insulation pad 5 in the unlocking operation process on the sound insulation effect is avoided.

Further, the height of the limiting portion 52 gradually increases from the end portion to the middle portion along the length direction of the movable rail 2.

Referring to fig. 5, along the length direction of the movable rail 2, the height of the limiting portion 52 gradually increases from the left and right ends to the middle, that is, the height of the left and right ends of the limiting portion 52 is lower than the height of the middle of the limiting portion 52, so that the distance between the end of the limiting portion 52 and the surface of the movable rail 2 is further than the distance between the middle of the limiting portion 52 and the surface of the movable rail 2.

When the handle 4 is unlocked, the handle end 41 is lifted, the pressing end 42 is pressed down, the left end of the pressing end 42 is gradually close to the surface of the movable rail 2, the left end of the limiting part 52 of the sound insulation pad 5 is also gradually close to the surface of the movable rail 2, and in order to avoid the situation that the left end of the limiting part 52 cannot be unlocked due to the fact that the left end of the limiting part 52 is in contact with the surface of the movable rail 2 before the main body part 51 of the sound insulation pad 5 is in contact with the unlocking pin 3, the height of the left end part of the limiting part 52 is set to be low, the left end part of the limiting part 52 is guaranteed to be sufficiently distant from the surface of the movable rail 2, and interference to unlocking caused by the fact that the left end of the limiting part 52 is in advance in contact with the surface of the movable rail 2 can be effectively prevented.

The height of the right end part of the limiting part 52 is also lower than that of the middle part, so that the limiting part 52 forms a bilaterally symmetrical structure, the problem of reverse direction assembly can be avoided during assembly, and the assembly is more convenient and quicker.

Further, along the length direction of the movable rail 2, the bottom edge of the limiting portion 52 is arc-shaped, and has smooth transition, so that the processing is facilitated.

In other embodiments, the bottom edge of the limiting portion 52 may be disposed in a straight inclined shape.

Further, the material of the sound insulation pad 5 includes rubber.

Rubber is a high-elasticity polymer material with reversible deformation, and has high flexibility, good elasticity, wear resistance, heat resistance and chemical stability. Rubber is adopted as the material of the sound insulation pad 5, and the sound insulation pad 5 is in soft contact with the unlocking pin 3 or the movable rail 2 during unlocking, so that abnormal sound caused by collision can be avoided, and the sound insulation and noise reduction effects are realized.

In addition to rubber, the sound insulation pad 5 may be made of other flexible and elastic materials.

Further, the sound insulation pad 5 further includes a mounting portion 53, and the mounting portion 53 is connected to a side of the main body portion 51 away from the unlocking pin 3; the pressing end 42 is provided with a mounting hole, and the mounting portion 53 passes through the mounting hole to be clamped with the handle 4. By providing the mounting portion 53, the mounting portion 53 is engaged with the mounting hole of the pressing end 42 of the handle 4, and the sound insulation pad 5 and the handle 4 can be connected and fixed.

Further, the mounting portion 53 includes a mounting post 531 and a mounting cap 532 integrally connected, the mounting post 531 is mounted in the mounting hole, the circumferential dimension of the mounting cap 532 is larger than the outer diameter of the mounting post 531, and the bottom of the mounting cap 532 abuts against the surface of the pressing end 42; the center of the mounting post 531 and the mounting cap 532 is provided with a shaft hole.

Referring to fig. 4 and 5, the mounting portion 53 includes a mounting post 531 and a mounting cap 532, wherein the mounting post 531 has a cylindrical structure with an outer diameter that is sized to fit into the mounting hole on the pressing end 42 of the handle 4; the mounting cap 532 is located at the upper end of the mounting post 531 with a circumferential dimension slightly greater than the outer diameter of the mounting post 531 for spacing. Because the sound insulation pad 5 is made of rubber or other flexible and elastic materials, the sound insulation pad can be deformed, and when in assembly, the mounting portion 53 can be assembled into the mounting hole from the lower end of the handle 4 in a squeezing deformation mode, so that the mounting post 531 penetrates through the mounting hole, the mounting cap 532 protrudes out of the surface of the pressing end 42, the lower end face of the mounting portion 53 abuts against the surface of the pressing end 42, and meanwhile the upper end face of the main body portion 51 abuts against the lower surface of the pressing end 42, so that limit is formed on the axial direction of the sound insulation pad 5, connection stability is ensured, and falling is prevented.

The shaft hole is formed in the center of the mounting post 531 and the mounting cap 532, and the shaft hole can provide a deformation space, so that the mounting portion 53 can smoothly pass through the mounting hole when the sound insulation pad 5 is assembled with the handle 4, and finally is clamped and fixed with the handle 4.

Optionally, the main body 51, the limiting portion 52 and the mounting portion 53 are integrally formed.

The sound insulation pad adopts an integrated structure, the whole structure is simple, multiple functions are integrated, the sound insulation effect can be achieved, the limiting effect can be achieved, meanwhile, the integrated process is simple, the production efficiency can be improved, and the production cost is reduced.

Optionally, the sound insulation pad 5 and the pressing end 42 of the handle 4 are connected by adopting hot melting, so that the sound insulation pad 5 and the handle 4 are further ensured to be firmly connected, and abnormal sound caused by loosening or falling of a product can be effectively prevented.

According to the seat unlocking mechanism provided by the embodiment of the application, the sound insulation pad 5 is arranged on one side, facing the unlocking pin 3, of the pressing end 42 of the handle 4, so that the sound insulation pad 5 is positioned between the pressing end 42 and the unlocking pin 3, the handle 4 is not directly contacted with the unlocking pin 3 in the unlocking process of the handle 4, abnormal sound is avoided when the handle 4 is directly collided with the unlocking pin 3, the sound insulation pad 5 is firstly contacted with the surface of the movable rail 2 in the operating process, abnormal sound generated when the handle 4 is collided with the surface of the movable rail 2 can be avoided, good sound insulation and noise reduction effects are achieved, and driving experience is improved.

The embodiment of the application also provides a seat, which comprises the seat unlocking mechanism.

The seat has the same advantages as the seat unlocking mechanism described above with respect to the prior art, and will not be described in detail here.

The embodiment of the application also provides a vehicle comprising the seat unlocking mechanism or the seat.

The vehicle has the same advantages as the seat unlocking mechanism described above over the prior art, and will not be described in detail here.

The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the application.

Claims (10)

1. A seat unlocking mechanism, comprising:

The sliding rail assembly comprises a fixed rail (1), a movable rail (2), a locking mechanism and an unlocking pin (3), wherein the movable rail (2) is in sliding connection with the fixed rail (1); the locking mechanism is connected between the fixed rail (1) and the movable rail (2) and is used for limiting the movable rail (2) to slide along the fixed rail (1); the unlocking pin (3) is arranged on the movable rail (2) and connected with the locking mechanism, and is used for releasing the limit of the locking mechanism on the movable rail (2);

The middle part of the handle (4) is hinged with the movable rail (2), the handle (4) comprises a pressing end (42) and a handle end (41), and the pressing end (42) is positioned above the unlocking pin (3);

and a sound insulation pad (5) arranged on one side of the pressing end (42) facing the unlocking pin (3).

2. The seat unlocking mechanism according to claim 1, wherein: the sound insulation pad (5) comprises a main body part (51), wherein the main body part (51) is connected to the pressing end (42) and is positioned between the pressing end (42) and the unlocking pin (3), and the thickness of the center of the main body part (51) is larger than that of the edge of the main body part (51).

3. The seat unlocking mechanism according to claim 2, wherein: the sound insulation pad (5) further comprises a limiting part (52), the limiting part (52) is connected to one side, close to the unlocking pin (3), of the main body part (51), the limiting part (52) is arranged along the edge of the main body part (51) in a surrounding mode, a limiting space is formed between the limiting part (52) and the main body part (51), and the top end of the unlocking pin (3) stretches into the limiting space.

4. A seat unlocking mechanism according to claim 3, wherein: the height of the limiting part (52) gradually increases from the end part to the middle part along the length direction of the movable rail (2).

5. The seat unlocking mechanism according to claim 4, wherein: along the length direction of the movable rail (2), the bottom edge of the limiting part (52) is arc-shaped.

6. The seat unlocking mechanism according to claim 1, wherein: the material of the sound insulation pad (5) comprises rubber.

7. The seat unlocking mechanism according to claim 2, wherein: the sound insulation pad (5) further comprises a mounting part (53), and the mounting part (53) is connected to one side of the main body part (51) away from the unlocking pin (3); the pressing end (42) is provided with a mounting hole, and the mounting part (53) passes through the mounting hole to be clamped with the handle (4).

8. The seat unlocking mechanism according to claim 7, wherein: the mounting part (53) comprises a mounting column (531) and a mounting cap (532) which are integrally connected, the mounting column (531) is mounted in the mounting hole, the circumferential dimension of the mounting cap (532) is larger than the outer diameter of the mounting column (531), and the bottom of the mounting cap (532) is abutted with the surface of the pressing end (42); the center of the mounting column (531) and the center of the mounting cap (532) are provided with shaft holes.

9. A seat comprising a seat unlocking mechanism according to any one of claims 1 to 8.

10. A vehicle comprising a seat unlocking mechanism according to any one of claims 1 to 8, or comprising a seat according to claim 9.