CN219548755U - Cavity sealing soundproof door on shock absorption basis - Google Patents

Abstract

The utility model relates to a cavity sealing soundproof door on a damping basis, which comprises a soundproof door and a door frame, wherein the soundproof door comprises a front door plate and a rear door plate, when the door frame is closed by the soundproof door, the back surface of the outer edge of the front door plate is attached to the front surface of the door frame, the rear door plate is placed in the door frame, damping rubber rings are arranged along the outer contour of the back surface of the outer edge, vacuum cavities are symmetrically arranged in the rear door plate up and down, the outer frames in the four directions of the upper side, the lower side, the left side and the right side of the rear door plate are respectively provided with a storage groove, a soundproof plate is arranged in the storage grooves, the inner edge of the door frame is provided with a placement groove corresponding to the soundproof plate, a driving mechanism is arranged on the back surface of the rear door plate and the front surface of the front door plate, a transmission mechanism is arranged in the rear door plate, a user controls the soundproof plate to enter and exit the storage grooves through the transmission mechanism when the door frame is closed by operating the driving mechanism, and the storage grooves are aligned with corresponding placement grooves. The utility model has the advantages of good sound insulation effect and convenient operation.

Description

Cavity sealing soundproof door on shock absorption basis

Technical Field

The utility model relates to the technical field of soundproof doors, in particular to a cavity sealing soundproof door based on shock absorption.

Background

The soundproof door consists of a door plate and a door frame, is formed by adopting high-quality cold-rolled steel plates through cold processing, and has the size and the soundproof performance which can be selected according to the requirements of the soundproof grade, the installation space and the fireproof grade. The existing soundproof door generally uses the wood dust, glass wool or rock wool to insulate sound, so that the thickness of the door plate is required to be increased to achieve a good soundproof effect, the weight of the door plate is increased, and daily use is affected. After the door plate closes the door frame, a gap exists between the door plate and the door frame, sound is easy to penetrate through the gap, and the sound insulation effect is reduced. In addition, when the user closes the door and uses excessively hard, the door plant causes the damage easily when bumping into the door frame, probably influences soundproof door normal use.

Disclosure of Invention

The utility model aims to provide a cavity sealing sound-insulating door on the basis of shock absorption, the interaction between a front door plate and a door frame can be reduced by a shock absorption rubber ring, a gap between the sound-insulating door which is easy to leak sound and the door frame is blocked by a sound-insulating plate, a vacuum cavity with good sound-insulating effect is arranged in the sound-insulating door, the sound-insulating effect is improved, the weight of the sound-insulating door is reduced, and a user can conveniently operate the sound-insulating door in daily life.

The technical scheme of the utility model is as follows:

the utility model provides a sealed soundproof door of cavity on shock attenuation basis, includes soundproof door and door frame, soundproof door includes preceding door plant and back door plant, when the door frame was closed to the soundproof door, the back along the outside of preceding door plant is pasted with the front of door frame mutually, the back door plant is put into the door frame, the back along the outside outline of the outside of preceding door plant is equipped with the shock attenuation rubber ring, the symmetry is equipped with the vacuum chamber about in the back door plant, the frame of four directions about the back door plant is equipped with respectively and accomodates the groove, accomodates the inslot and is equipped with the acoustic celotex board, be equipped with the groove of putting into of corresponding acoustic celotex board on the interior edge of door frame, back door plant back and preceding door plant openly are equipped with actuating mechanism, be equipped with drive mechanism in the back door plant, thereby the user passes through the actuating mechanism conduction to the acoustic celotex board and pass through the storage groove, each when the door frame is closed to the storage groove aims at corresponding groove of putting into, the acoustic celotex board can push into the slot and put into the interior gap along the door frame of door plant.

Preferably, the driving mechanism comprises a door handle, a rotating rod A and a driving gear, the middle parts of the front surface of the front door plate and the back surface of the back door plate are respectively provided with a rotating seat, the rotating seats are provided with the rotating rod A along the left-right direction, the rotating rod A is fixed on the rotating seats and can rotate along the central axis of the rotating rod A, the door handle is in a U shape, two ends of the rotating rod A are connected with two ends of the door handle, the middle part of the rotating rod A is coaxially connected with the driving gear, the driving gear A is arranged on the driving mechanism, the two driving gears are meshed with the driven gear A, when a user holds the door handle to rotate, the door handle can drive the rotating rod A and the driving gear connected with the rotating rod A, the driving gear A is used for driving the driving mechanism to control the sound insulation plate, and the front surface of the front door plate and the back surface of the back door plate are respectively provided with a limiting frame, when the door handle is in an initial position, the door handle is placed on the limiting frame, and the door handle is prevented from rotating beyond a permissible angle by the limiting frame.

Preferably, when the door handles on the two sides are in the initial position, the door handles are perpendicular to the plane where the soundproof door is located, at this time, the soundproof plate is left in the storage groove, when the door handle on the rear side rotates upwards towards the rear door plate, the door handle on the front side rotates downwards towards the front door plate by the same angle through the transmission of the driven gear A and the driving gear, and the door handle on the front side can also drive the door handle on the rear side to rotate when rotating, in the process, the soundproof plate gradually extends outwards from the storage groove, and when the door handle abuts against the soundproof door, if the soundproof door is closed at this time, the soundproof plate can extend into the storage groove.

Preferably, the front face of the front door plate is provided with a groove at the abutting part of the door handle, the door handle can be rotated into the groove, the back face of the rear door plate is provided with a magnet block at the abutting part of the door handle, and the magnet block can absorb the door handle when the door handle at the rear side is rotated to abut the rear door plate.

Preferably, the drive mechanism includes driven gear A, driven gear B, dwang B, rack, connecting plate, connecting rod, thread bush and threaded rod, the back door plant is equipped with dwang B along the left and right sides direction in the middle part, dwang B can follow its center axis and rotate, dwang B's middle part is equipped with driven gear A, dwang B is equipped with driven gear B in driven gear A's left and right sides symmetry, the back door plant is equipped with the sliding chamber along vertical direction in driven gear B's front and back both sides respectively, be equipped with the rack that can follow the sliding chamber and remove in the sliding chamber, the flank of rack is towards driven gear B, the rack meshes with driven gear B mutually, the back door plant is equipped with the removal chamber along vertical direction respectively in the upper and lower both sides of dwang B, remove chamber and sliding chamber intercommunication, the rack is kept away from driven gear B's one end and is equipped with the connecting plate in the removal intracavity, the connecting rod is equipped with along vertical direction, the connecting rod passes behind removal chamber and the vacuum chamber and the acoustic celotex board of upper and lower both sides respectively, the left and right sides face of rack is towards driven gear B's the driven gear B, the thread bush is connected with the thread bush along with the right and left and right sides, the thread bush is connected with the thread bush.

Preferably, the acoustic baffle comprises a moving plate, an inserting block and acoustic cotton, the shape of the moving plate is equivalent to the shape of the section of the inner cavity of the accommodating groove, the side wall of the moving plate is clung to the inner wall of the accommodating groove, the inner side of the moving plate is connected with the transmission mechanism, the inserting block is arranged at the outer end of the moving plate, the shape of the inserting block is similar to the shape of the corresponding inserting groove, the size of the inserting block is smaller than the size of the corresponding inserting groove, the acoustic cotton is arranged on the inserting block, and when the inserting block completely stretches into the inserting groove, the acoustic cotton is clamped in a gap between the inserting block and the inserting groove, and the thickness of the acoustic cotton in a natural state is larger than the gap between the inserting block and the inserting groove.

Preferably, a plurality of supporting pieces are uniformly arranged in the vacuum cavity, and the front end and the rear end of each supporting piece are respectively connected with the front inner wall and the rear inner wall of the vacuum cavity.

The utility model has the beneficial technical effects that:

1. the outer edge back of preceding door plant is equipped with the shock attenuation rubber ring, and the effect of shock attenuation rubber ring firstly is the outer edge back and the door frame direct contact of door plant before avoiding, thereby absorbs certain energy through the elastic deformation of shock attenuation rubber ring and reduces the too big probability of taking place to damage between door plant and the door frame before the door plant, secondly can block up the space between door plant and the door frame before, improves the sound insulation effect.

2. The rear door plate is internally provided with the vacuum cavity, so that the vacuum cavity has a good sound insulation effect, the use amount of materials is reduced, the overall weight of the sound insulation door is reduced, and a user can conveniently rotate the sound insulation door.

3. A user controls the sound insulation plate to enter and exit the storage groove through the driving mechanism and the transmission mechanism, and the sound insulation plate stretches into the storage groove on the door frame, so that firstly, the gap between the rear door plate and the door frame can be blocked, the sound insulation effect is improved, secondly, the effect similar to a door lock is exerted, and the sound insulation door is limited on the state of closing the door frame.

Drawings

The technical scheme of the utility model is further described below with reference to the accompanying drawings.

Fig. 1 is a front view of the present utility model.

Fig. 2 is a rear view of the present utility model.

Fig. 3 is a rear view cross section of the present utility model.

Fig. 4 is a rear view cross-section of the baffle of the present utility model extending into the channel.

FIG. 5 is a section A-A of FIG. 3.

FIG. 6 is a section B-B of FIG. 3.

Fig. 7 is an enlarged view of portion a of fig. 6.

Fig. 8 is an enlarged view of part B of fig. 6.

In the figure: 1-soundproof door, 2-door frame, 3-front door panel, 4-rear door panel, 5-shock-absorbing rubber ring, 6-vacuum chamber, 7-receiving groove, 8-soundproof panel, 9-receiving groove, 10-driving mechanism, 12-driving mechanism, 13-door handle, 14-rotating rod A, 15-driving gear, 16-driven gear A, 17-spacing frame, 18-groove, 19-magnet block, 20-driven gear B, 21-rotating rod B, 22-rack, 23-connecting plate, 24-connecting rod, 25-thread bush, 26-threaded rod, 27-sliding chamber, 28-moving chamber, 31-moving plate, 32-receiving block, 33-soundproof cotton, 34-support.

Detailed Description

The utility model will be described in further detail with reference to the accompanying drawings and specific examples.

Examples:

as shown in fig. 1 to 8, this embodiment provides a cavity sealed soundproof door on shock attenuation basis, including soundproof door 1 and door frame 2, soundproof door 1 includes preceding door plant 3 and back door plant 4, when soundproof door 1 closed door frame 2, the back of the outer edge of preceding door plant 3 is pasted with the front of door frame 2, back door plant 4 is put into door frame 2, the back along the outline of the outer edge of preceding door plant 3 is equipped with shock attenuation rubber ring 5, the back door plant 4 is interior upper and lower symmetry and is equipped with vacuum chamber 6, the frame of four directions about back door plant 4 is equipped with storage tank 7 respectively, be equipped with acoustic celotex board 8 in storage tank 7, be equipped with the inslot 9 that corresponds acoustic celotex board 8 on the inner edge of door frame 2, back door plant 4 back and preceding door plant 3 front are equipped with actuating mechanism 10, be equipped with drive mechanism 12 in the back door plant 4, thereby control acoustic celotex board 8 is gone into storage tank 7 through actuating mechanism 12, when soundproof door 1 closes door frame 2, each storage tank 7 aligns corresponding storage tank 9, acoustic celotex board 8 can push into the interior edge of door plant 2 of door plant 4 along the gap of door frame.

The outer edge back of the front door plate 3 is provided with a damping rubber ring 5, the damping rubber ring 5 has the effects that firstly, the outer edge back of the front door plate 3 is prevented from being in direct contact with the door frame 2, certain energy is absorbed through elastic deformation of the damping rubber ring 5, the probability of damage caused by overlarge impact between the front door plate 3 and the door frame 2 is reduced, secondly, gaps between the front door plate 3 and the door frame 2 can be blocked, and the sound insulation effect is improved. The vacuum cavity 6 is arranged in the rear door plate 4, the vacuum cavity 6 has a good sound insulation effect, the using amount of materials is reduced, the overall weight of the sound insulation door 1 is reduced, and a user can conveniently rotate the sound insulation door 1. The user controls the acoustic baffle plate 8 to enter and exit the storage groove 7 through the driving mechanism 10 and the transmission mechanism 12, and the acoustic baffle plate 8 stretches into the placement groove 9 on the door frame 2, so that firstly, the gap between the rear door plate 4 and the door frame 2 can be blocked, the acoustic insulation effect is improved, and secondly, the effect similar to a door lock is exerted, and the acoustic insulation door 1 is limited on the state of closing the door frame 2.

As shown in fig. 1, 2 and 5, the driving mechanism 10 comprises a door handle 13, a rotating rod a14 and a driving gear 15, wherein the middle parts of the front surface of the front door plate 3 and the back surface of the back door plate 4 are respectively provided with a rotating seat, the rotating seat is provided with the rotating rod a14 along the left and right directions, the rotating rod a14 is fixed on the rotating seat and can rotate along the middle axis of the rotating rod a14, the door handle 13 is in a U shape, two ends of the rotating rod a14 are connected with two ends of the door handle 13, the middle part of the rotating rod a14 is coaxially connected with the driving gear 15, the driving mechanism 12 is provided with a driven gear a16, when a user holds the door handle 13 to rotate, the door handle 13 can drive the rotating rod a14 and the driving gear 15 connected with the rotating rod a14, the driving gear a16 drives the driving gear a 12 to control the sound insulation plate 8, the front surface of the front door plate 3 and the back surface of the back door plate 4 are respectively provided with a limiting frame 17, when the door handle 13 is in an initial position, the door handle 13 is placed on the limiting frame 17, and the door handle 13 can avoid exceeding of the allowable angle through the limiting frame 17.

The user can easily operate the sound insulation plate 8 to enter and exit the storage groove 7 from the front side and the rear side of the sound insulation door 1 by rotating the door handle 13, so that the passage of the user at the two sides is facilitated.

Further, as shown in fig. 3 to 6, when the door handles 13 on both sides are in the initial position, the door handles 13 are perpendicular to the plane of the soundproof door 1, at this time, the soundproof plate 8 is left in the receiving groove 7, when the door handle 13 on the rear side is rotated upward toward the rear door panel 4, the door handle 13 on the front side is rotated downward toward the front door panel 3 by the same angle through the transmission of the driven gear a16 and the driving gear 15, and the door handle 13 on the front side can also be rotated by the same angle as the door handle 13 on the rear side, during this process, the soundproof plate 8 gradually extends outward from the receiving groove 7, and when the door handle 13 abuts against the soundproof door 1, if the soundproof door 1 is closed at this time, the soundproof plate 8 can be extended into the receiving groove 9.

When the door handle 13 is at the initial position, the sound insulation plate 8 is left in the storage groove 7, the sound insulation door 1 can rotate around the door frame 2, and the door handle 13 is at a position convenient for a user to grasp at the moment, so that the sound insulation door 1 can be operated. When the door handle 13 is rotated to be propped against the soundproof door 1, the soundproof plate 8 extends out of the storage groove 7 and can extend into the storage groove 9, at the moment, the soundproof plate 8 is blocked by the storage groove 9, the soundproof door 1 is limited in the rotating capacity around the door frame 2, a user does not need to use the door handle 13 at the moment, the door handle 13 is just propped against the soundproof door 1, and the probability of collision with foreign objects is reduced. When the soundproof door 1 needs to be opened, in the process that the user rotates the door handle 13 back to the initial position, the soundproof plate 8 can be pulled out of the putting groove 9 and retracted into the accommodating groove 7, and then the user can hold the door handle 13 to pull or push the soundproof door 1 open, so that the whole operation steps are simple and smooth.

Further, as shown in fig. 1, 2, 5 and 6, the front surface of the front door panel 3 is provided with a groove 18 at the abutting position of the door handle 13, the door handle 13 can be turned into the groove 18, the back surface of the rear door panel 4 is provided with a magnet block 19 at the abutting position of the door handle 13, and the magnet block 19 can attract the door handle 13 when the door handle 13 at the rear side is turned to abut the rear door panel 4. Since the door handle 13 located at the rear side may be brought back to its original position when the door handle 13 abuts against the soundproof door 1, the magnet block 19 for attracting the door handle 13 is provided, and the strength of connection between the door handle 13 and the soundproof door 1 is increased. The groove 18 is used for reducing the part of the door handle 13 which protrudes out of the front surface of the soundproof door 1 when the door handle 13 is abutted against the front surface of the soundproof door 1, reducing the probability of collision between foreign objects and the door handle 13 and improving the safety.

As shown in fig. 3 to 7, the transmission mechanism 12 includes a driven gear a16, a driven gear B20, a rotating rod B21, a rack 22, a connecting plate 23, a connecting rod 24, a threaded sleeve 25 and a threaded rod 26, the rotating rod B21 is disposed in the middle of the rear door panel 4 and is capable of rotating along the middle axis thereof, the driven gear A16 is disposed in the middle of the rotating rod B21, the rotating rod B21 is symmetrically disposed on the left and right sides of the driven gear A16, sliding cavities 27 are disposed on the front and rear sides of the rear door panel 4 at the driven gear B20 respectively, racks 22 capable of moving along the sliding cavities 27 are disposed in the sliding cavities 27, tooth surfaces of the racks 22 face the driven gear B20, the racks 22 are meshed with the driven gear B20, moving cavities 28 along the vertical directions are disposed on the upper and lower sides of the rear door panel 4 respectively, the moving cavities 28 are communicated with the sliding cavities 27, one ends of the racks 22 far away from the driven gear B20 are vertically disposed with the connecting plate 23, the connecting plate 23 moves in the moving cavities 28, connecting plate 23 is disposed on the connecting plate 23 and is provided with a connecting rod 24 along the vertical direction, the connecting rod 24 and the connecting rod 24 passes through the moving cavities 28 and the left and the right sides of the connecting rod 26 are connected with the threaded sleeve 25 coaxially with the threaded rod 25, and the threaded sleeve 25 is connected with the threaded rod 25.

When the door handle 13 drives the driving gear 15 to rotate, the driven gear A16 meshed with the driving gear 15 is driven, and the rotating rod B21 coaxially connected with the driven gear A16 rotates. For the sound insulation plates 8 positioned at the upper side and the lower side, the connecting rods 24 connected with the inward sides of the sound insulation plates 8 are connected with the racks 22 through the connecting plates 23, and the connecting rods 24 and the corresponding racks 22 have a transmission relationship with each other in a lifting and falling manner. When the rotating rod B21 drives the driven gear B20 to rotate, the racks 22 meshed with the driven gear B20 are correspondingly driven to move up and down in opposite directions with the racks 22 meshed with the same driven gear B20 and respectively positioned at the front and back times, the racks 22 drive the connecting rods 24 to move through the transmission of the connecting plates 23, and the connecting rods 24 drive the connected sound insulation plates 8 to enter and exit the storage grooves 7. For the acoustic panel 8 located at the left and right sides, the threaded rod 26 connected to the inside of the acoustic panel 8 is screwed to the threaded sleeve 25, and the threaded sleeve 25 is coaxially connected to the rotating rod B21, when the rotating rod B21 rotates, the threaded sleeve 25 coaxially connected to the rotating rod B21 rotates along with it, since the portion of the acoustic panel 8 connected to the threaded rod 26 is restricted by the accommodating groove 7, the threaded rod 26 cannot rotate along the middle axis thereof, when the threaded sleeve 25 rotates, the threaded rod 26 can only move left and right along the middle axis thereof, and since the directions of the threads of the two threaded sleeves 25 are opposite, and the directions of the rotation of the two threaded sleeves 25 along with the rotating rod B21 are the same, and therefore the directions of the movement of the two threaded rods 26 along with the action of the threaded sleeve 25 are opposite, and the moving threaded rod 26 drives the connected acoustic panel 8 to enter and exit the accommodating groove 7.

As shown in fig. 8, the sound insulation board 8 comprises a moving board 31, a placing block 32 and sound insulation cotton 33, the shape of the moving board 31 is equivalent to the shape of the section of the inner cavity of the accommodating groove 7, the side wall of the moving board 31 is clung to the inner wall of the accommodating groove 7, the inward side of the moving board 31 is connected with the transmission mechanism 12, the placing block 32 is arranged at the outward end of the moving board 31, the shape of the placing block 32 is similar to the shape of the corresponding placing groove 9, the size of the placing block 32 is smaller than the size of the corresponding placing groove 9, the sound insulation cotton 33 is arranged on the placing block 32, when the placing block 32 is fully stretched into the placing groove 9, the sound insulation cotton 33 is clamped in the gap between the placing block 32 and the placing groove 9, and the thickness of the sound insulation cotton 33 in the natural state is larger than the gap between the placing block 32 and the placing groove 9.

The shape of the moving plate 31 corresponds to the shape of the cross section of the inner cavity of the accommodating groove 7, and the movable direction of the moving plate 31 in the accommodating groove 7 is restricted. The shape of the placing block 32 is similar to that of the placing groove 9, and the size is smaller than that of the placing groove 9, so that the difficulty of the placing block 32 extending into the placing groove 9 is reduced. The gap between the placing block 32 and the placing groove 9 is blocked by the soundproof cotton 33 with certain deformability, and the thickness of the soundproof cotton 33 in a natural state is larger than the gap between the placing block 32 and the placing groove 9, so that the soundproof cotton 33 is more compact due to the extrusion between the placing block 32 and the placing groove 9, and the soundproof effect is good.

As shown in fig. 3 to 5, a plurality of supporting members 34 are uniformly provided in the vacuum chamber 6, and the front and rear ends of the supporting members 34 are respectively connected with the front and rear inner walls of the vacuum chamber 6. The support 34 improves the deformation resistance of the vacuum chamber 6 and the structural strength of the rear door panel 4.

The working principle and the using flow of the utility model are as follows:

the user can operate the soundproof door 1 from front and rear both sides, realizes the conversion between the open state and the closed state of the soundproof door 1 by rotating the door handle 13, and the door handle 13 itself also facilitates the user to rotate the soundproof door 1. The sound insulation door 1 reduces the impact between the door closing and the door frame 2 through the damping rubber ring 5, solves the problem of sound leakage of the gap between the sound insulation door 1 and the door frame 2 through the damping rubber ring 5 and the sound insulation plate 8, and reduces the material consumption of the sound insulation material through the vacuum cavity 6 to reduce the weight.

The foregoing is merely a specific application example of the present utility model, and the protection scope of the present utility model is not limited in any way. All technical schemes formed by equivalent transformation or equivalent substitution fall within the protection scope of the utility model.

Claims (7)

1. Cavity seal soundproof door on shock attenuation basis, its characterized in that: including soundproof door and door frame, soundproof door includes preceding door plant and back door plant, when the door frame was closed to the soundproof door, the back along the outside of preceding door plant pastes with the front of door frame mutually, the back door plant is put into in the door frame, the back along the outside outline of the outside along of preceding door plant is equipped with the shock attenuation rubber ring, the symmetry is equipped with the vacuum chamber about in the back door plant, the frame of four directions about the back door plant is equipped with the storage tank respectively, be equipped with the acoustic celotex board in the storage tank, be equipped with the groove of putting into of corresponding acoustic celotex board on the interior edge of door frame, back door plant back and preceding door plant openly are equipped with actuating mechanism, be equipped with drive mechanism in the back door plant through the control actuating mechanism is conducted to the acoustic celotex board and is passed through the storage tank, each when the door plant is closed to the acoustic celotex board is aimed at corresponding groove of putting into, the acoustic celotex board can push into the groove and put into the gap between the interior edge of door frame of door plant outside the back door plant.

2. A cavity-sealing soundproof door on a shock absorbing basis according to claim 1, wherein: the driving mechanism comprises a door handle, a rotating rod A and a driving gear, wherein the middle parts of the front surface of the front door plate and the back surface of the back door plate are respectively provided with a rotating seat, the rotating seats are provided with the rotating rod A along the left and right directions, the rotating rod A is fixed on the rotating seats and can rotate along the middle shaft of the rotating rod A, the door handle is U-shaped, two ends of the rotating rod A are connected with two ends of the door handle, the middle part of the rotating rod A is coaxially connected with the driving gear, the driving gear A is arranged on the driving mechanism, the two driving gears are meshed with the driven gear A, when a user holds the door handle to rotate, the door handle can drive the rotating rod A and the driving gear connected with the rotating rod A, the driving gear A is used for driving the driving mechanism to control the sound insulation plate, and the front surface of the front door plate and the back surface of the back door plate are respectively provided with a limiting frame, and when the door handle is in an initial position, the door handle is placed on the limiting frame, and the door handle is prevented from rotating beyond an allowable angle by the limiting frame.

3. A cavity-sealing soundproof door on a shock absorbing basis according to claim 2, wherein: when the door handles on the two sides are in the initial position, the door handles are perpendicular to the plane where the soundproof door is located, the soundproof plate is left in the storage groove, when the door handles on the rear side rotate upwards towards the rear door plate, the door handles on the front side rotate downwards towards the front door plate by the same angle through the transmission of the driven gear A and the driving gear, and similarly the door handles on the front side can also drive the door handles on the rear side to rotate when rotating, in the process, the soundproof plate gradually extends outwards from the storage groove, and when the door handles are propped against the soundproof door, if the door frame is closed at the moment, the soundproof plate can extend into the storage groove.

4. A cavity-sealing soundproofing door on a shock absorbing basis according to claim 3, wherein: the front face of the front door plate is provided with a groove at the joint of the door handle, the door handle can be turned into the groove, the back face of the rear door plate is provided with a magnet block at the joint of the door handle, and the magnet block can absorb the door handle when the door handle at the rear side is turned to be abutted against the rear door plate.

5. A cavity-sealing soundproof door on a shock absorbing basis according to claim 2, wherein: the transmission mechanism comprises a driven gear A, a driven gear B, a rotating rod B, racks, a connecting plate, a connecting rod, a thread bush and a threaded rod, wherein the rotating rod B in the left and right directions is arranged in the middle of a rear door plate, the rotating rod B can rotate along the middle shaft of the rotating rod B, the driven gear A is arranged in the middle of the rotating rod B, the rotating rod B is symmetrically arranged on the left side and the right side of the driven gear A, sliding cavities in the vertical directions are respectively arranged on the front side and the rear side of the driven gear B, racks capable of moving along the sliding cavities are arranged in the sliding cavities, tooth surfaces of the racks face the driven gear B, the racks are meshed with the driven gear B, moving cavities in the vertical directions are respectively arranged on the upper side and the lower side of the rotating rod B, one end of each rack, which is far away from the driven gear B, is vertically arranged on the connecting plate, the connecting rod penetrates through the moving cavities and the sound insulation plates on the two sides of the right side of the driven gear A, the connecting rod is connected with the sound insulation plates on the two sides of the right side of the driven gear B in the vertical directions, the two inner cavities are connected with the two thread bush, and the two thread bush is connected with the two thread bush threads on the two sides of the left side of the rotating rod.

6. A cavity-sealing soundproof door on a shock absorbing basis according to claim 1, wherein: the sound insulation board includes the movable plate, puts into piece and soundproof cotton, the shape of movable plate is equivalent with the shape of the cross-section of accomodating the groove inner chamber, the inner wall of accomodating the groove is hugged closely to the lateral wall of movable plate, the inboard and the drive mechanism of movable plate are connected, the outward end of movable plate is equipped with puts into the piece, the shape of putting into the piece is similar with the shape of corresponding putting into the groove, the size of putting into the piece is less than the size of corresponding putting into the groove, be equipped with soundproof cotton on the putting into the piece, works as when putting into the piece and stretching into the inslot completely, soundproof cotton presss from both sides in putting into the piece and putting into the clearance between the groove, the thickness of soundproof cotton under the natural state is greater than and puts into the clearance between the piece and the groove.

7. A cavity-sealing soundproof door on a shock absorbing basis according to claim 1, wherein: and a plurality of supporting pieces are uniformly arranged in the vacuum cavity, and the front end and the rear end of each supporting piece are respectively connected with the front inner wall and the rear inner wall of the vacuum cavity.