CN213418151U

CN213418151U - Sound-absorbing decorative partition wall mounting structure for fine finishing engineering

Info

Publication number: CN213418151U
Application number: CN202022033970.5U
Authority: CN
Inventors: 向勇; 黄招军
Original assignee: Beijing Zhicheng Huateng Construction Engineering Co ltd
Current assignee: Beijing Zhicheng Huateng Construction Engineering Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-06-11
Anticipated expiration: 2030-09-16

Abstract

The utility model relates to a sound is inhaled to smart finishing work and is decorated partition wall mounting structure, including two backup pads that horizontal installation is on ground and ceiling and be parallel to each other respectively, a plurality of partition boards and two first fixed plates, all set up on the relative lateral wall of two backup pads along its length direction and link up the mounting groove of backup pad, the groove lateral wall of mounting groove one side and the lateral wall intercommunication of backup pad, be provided with coupling mechanism on the partition board, install respectively in two mounting grooves through coupling mechanism at the both ends of partition board, a plurality of partition board horizontal intervals are installed in the backup pad and interconnect, two first fixed plates are installed respectively on the lateral wall of two backup pads and are connected with a plurality of partition boards. This application has the installation that makes partition plate can be fast and stable in the backup pad to improve partition plate installation effectiveness's effect.

Description

Sound-absorbing decorative partition wall mounting structure for fine finishing engineering

Technical Field

The application relates to the technical field of partition installation, especially, relate to a sound absorption decoration partition mounting structure of fine finishing work.

Background

At present, the partition board is a wall prefabricated slat used for a partition wall in a building, comprises a glass fiber reinforced cement slat, a light concrete slat, a composite sandwich light slat and the like, is used as a main material of a non-bearing inner partition wall of a common industrial building, and can enable the building construction to be assembled and modernized.

In the prior art, most partition boards are usually spliced by the grooves of the partition boards and the bumps of the adjacent partition boards in the installation process, and then the cement and mortar are mixed to fill in the gap between the two adjacent partition boards so as to fix the two adjacent partition boards, and the cement and mortar are condensed to consume a long time, so that the installation efficiency of the partition boards is reduced.

SUMMERY OF THE UTILITY MODEL

In order to improve the efficiency of partition plate installation, this application provides a sound absorption decoration partition wall mounting structure is inhaled to fine finishing work.

The application provides a pair of sound is inhaled to smart finishing work and is decorated partition wall mounting structure adopts following technical scheme:

the utility model provides a fine finishing work inhales sound and decorates partition wall mounting structure, includes two respectively horizontal installation on ground and ceiling and backup pad, a plurality of partition plate and two first fixed plates that are parallel to each other, two all seted up on the relative lateral wall of backup pad along its length direction and link up the mounting groove of backup pad, the groove lateral wall of mounting groove one side with the lateral wall intercommunication of backup pad, be provided with coupling mechanism on the partition plate, the both ends of partition plate are passed through coupling mechanism installs respectively two in the mounting groove, it is a plurality of the horizontal interval of partition plate is installed in backup pad and interconnect, two first fixed plate is installed respectively two on the lateral wall of backup pad and with a plurality of the partition plate is connected.

Through adopting above-mentioned technical scheme, with two backup pads respectively fixed mounting back on ground and ceiling, the vertical fixed mounting of coupling mechanism is passed through at the both ends of partition plate in two mounting grooves, two adjacent partition plate install back and interconnect in the backup pad, can increase the stability of partition plate installation, first fixed plate fixed mounting on the lateral wall of backup pad and with partition plate fixed connection, and make first fixed plate support the partition plate tightly in the mounting groove, make installing in the backup pad that the partition plate can be fast and stable, thereby the efficiency of partition plate installation has been improved.

Preferably, a plurality of sliding grooves are formed in the end faces of two ends of the partition board, horizontal sliding holes are formed in the side walls of the two ends of the partition board, the sliding grooves at the same end of the partition board are communicated with the sliding holes, and a rotating chamfer is formed in the side wall of the groove at the end, connected with the sliding holes, of each sliding groove; the two connecting mechanisms are respectively positioned at the two ends of the partition board, the connecting mechanism comprises a push rod in sliding fit with the sliding hole, an elastic part, a plurality of inserting rods in one-to-one correspondence with the sliding grooves and in sliding fit with the sliding grooves, and a plurality of rotating rods in one-to-one correspondence with the inserting rods, the bottom of the mounting groove is provided with a plurality of inserting grooves which are in one-to-one correspondence with the inserting rods and are matched with the inserting rods in an inserting way, the inserting rods are slidably arranged in the corresponding sliding grooves and can be inserted in the corresponding inserting grooves, the push rod is arranged in the sliding hole in a sliding way, one end of the rotating rod is rotatably arranged at one end of the corresponding insertion rod close to the sliding hole, the other end of the rotating rod is rotatably connected with the push rod, the elastic piece is installed in the sliding hole and connected with the push rod, and the elastic piece enables the insertion rod to be inserted in the insertion groove.

By adopting the technical scheme, when the partition board is installed in the installation groove, the push rod is pushed, the push rod overcomes the elasticity of the elastic piece and slides in the sliding hole, the push rod drives the plurality of rotating rods to rotate, the rotating rods rotate into the rotating chamfers and drive the inserting rod to slide in the sliding groove, when the inserting rod completely slides into the sliding groove, the partition board is installed in the installation groove and the push rod is loosened, under the elastic action of the elastic piece, the elastic piece drives the push rod to move reversely and drive the rotating rods to rotate, the inserting rod is pushed to slide out of the sliding groove when the rotating rods rotate, and one end of the inserting rod, which is far away from the rotating rods, is inserted into the inserting groove, so that the partition board is fixedly installed on the support plate; the elastic piece pushes one end of the push rod out of the sliding hole and enables one end of the push rod penetrating through the sliding hole to be inserted into the sliding hole in the adjacent partition plate.

Preferably, an accommodating cavity is formed in the hole wall of the sliding hole, the elastic element comprises a return spring and a sliding plate matched with the accommodating cavity in a sliding manner, the sliding plate is installed in the accommodating cavity in a sliding manner and is connected with the push rod, the return spring is sleeved on the push rod, one end of the return spring is connected with the side wall of the sliding plate, the other end of the return spring is connected with the side wall of the accommodating cavity, and the return spring enables the insertion rod to be inserted in the insertion groove.

By adopting the technical scheme, when the push rod is pushed, the push rod drives the sliding plate to slide in the accommodating cavity, and the sliding plate compresses the return spring to enable the push rod to move in the sliding hole; partition plate installs in the backup pad and unclamp the push rod after, reset spring's elasticity promotes slide plate reverse movement, and slide plate moves push rod reverse movement, and the push rod drives dwang reverse rotation and leaves and rotate the chamfer, and the dwang promotes peg graft pole roll-off slide groove, makes the one end that the dwang was kept away from to the peg graft pole peg graft in the inserting groove.

Preferably, the side wall of the partition board is provided with a strip-shaped hole communicated with the sliding hole, the push rod is provided with a sliding rod perpendicular to the push rod, and one end of the sliding rod penetrates out of the strip-shaped hole.

Through adopting above-mentioned technical scheme, when needing to maintain the partition plate, promote the slide bar, the slide bar drives the push rod and removes, reset spring's elasticity is overcome to the push rod and slides in the sliding hole, the push rod drives a plurality of dwangs and rotates, the dwang rotates and rotates in the chamfer and drive the inserted bar and slide at the inslot that slides, when the inserted bar all slides into the inslot that slides, can be solitary dismantle the partition plate from the backup pad, the dismantlement and the simple to operate of partition plate, make the maintenance of partition plate convenient.

Preferably, one end of the insertion rod, which is far away from the rotating rod, is provided with a round chamfer.

By adopting the technical scheme, when the partition board is installed, the slide rod is pushed to enable the rotating rod and the insertion rod to be separated from a collinear state, the partition board is pressed into the space between the two supporting plates, the supporting plates are in contact with the round chamfers and generate component force along the length direction of the insertion rod, so that the insertion rod does not need to be completely pulled into the sliding groove all the time when the partition board is installed, and the partition board is convenient to install.

Preferably, the both sides of partition plate all seted up along its length direction and link up the fixed slot of partition plate, a groove lateral wall of fixed slot with the lateral wall intercommunication of partition plate, be provided with the second fixed plate on the partition plate, the width of second fixed plate and two the width sum of fixed slot is the same, the second fixed plate is pegged graft and is installed in two of intercommunication in the fixed slot and its both ends respectively with two the backup pad is connected.

Through adopting above-mentioned technical scheme, the second fixed plate seals between two adjacent partition plate, has reduced the noise and has passed the probability from the clearance between two partition plate to the noise decibel of passing the partition plate has been reduced.

Preferably, oblique chamfers have all been seted up at the both ends of second fixed plate, two oblique chamfers are located respectively the both sides of second fixed plate, seted up on the groove lateral wall of mounting groove a plurality ofly with oblique chamfer grafting complex slot is located the below the groove lateral wall of slot with the lateral wall intercommunication of backup pad, the lower extreme of second fixed plate is provided with the connecting piece, the connecting piece with the backup pad is connected.

Through adopting above-mentioned technical scheme, during the installation second fixed plate, peg graft the oblique chamfer of second fixed plate upper end in the slot of top, the lateral wall of second fixed plate supports tightly on the lateral wall of slot to compress tightly the partition plate on the groove lateral wall of mounting groove, install the lower extreme of second fixed plate in the slot of lower extreme again, and through the connecting piece with second fixed plate fixed mounting in the backup pad, reduced at the fixed second fixed plate of eminence, make the simple to operate of second fixed plate.

Preferably, the connecting member includes a connecting bolt passing through the second fixing plate and threadedly coupled with the support plate.

Through adopting above-mentioned technical scheme, connecting bolt installs the second fixed plate in the backup pad, when dismantling the partition plate, can be quick dismantle the second fixed plate get off, the installation of second fixed plate is convenient with the dismantlement, makes the convenient quick of dismantlement of partition plate.

Preferably, soundproof cotton is arranged on the side wall of the first fixing plate facing the partition plate and on the side wall of the second fixing plate facing the bottom of the fixing groove.

By adopting the technical scheme, the soundproof cotton is tightly pressed in the fixed groove by the second fixed plate, so that the gap between the second fixed plate and the bottom of the fixed groove is reduced, and the probability that noise penetrates through the partition plate from the gap between the two partition plates is reduced; the first fixed plate compresses tightly the soundproof cotton on the partition plate, has reduced the clearance between first fixed plate and the partition plate, has reduced the noise and has passed the probability of partition plate from the clearance between first fixed plate and the partition plate to the noise has been reduced.

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

1. through the setting of first fixed plate and coupling mechanism, make the partition plate can be fast and stable install in the backup pad to the efficiency of partition plate installation has been improved.

2. Through the arrangement of the push rod, the partition board is convenient to disassemble and install, and convenient to maintain.

3. Through the setting of second fixed plate, reduced the noise probability of passing from the clearance between two partition plate to the noise decibel of passing the partition plate has been reduced.

4. Through the arrangement of the oblique chamfer and the connecting piece, the second fixing plate is convenient to mount and dismount.

5. Through the setting of soundproof cotton, the decibel of the noise that has reduced to pass partition plate.

Drawings

FIG. 1 is a schematic perspective view showing a mounting structure of a sound-absorbing decorative partition wall in a finishing work according to an embodiment of the present invention;

FIG. 2 is a schematic view showing a partial explosion of a sound-absorbing decorative partition wall installation structure in a finishing work according to an embodiment of the present application;

FIG. 3 is a schematic view of a partial three-dimensional structure of a connecting mechanism of a sound-absorbing decorative partition wall mounting structure in the finishing work according to an embodiment of the present application, with a sectional view of the partition wall board to show an internal structure.

Reference numerals: 100. a support plate; 101. mounting grooves; 102. inserting grooves; 110. a partition plate; 111. a sliding groove; 112. a slide hole; 113. rotating and chamfering; 114. an accommodating cavity; 116. fixing grooves; 117. a slot; 120. a first fixing plate; 121. fixing the bolt; 130. mounting a plate; 140. a strip-shaped hole; 141. a slide bar; 200. a connecting mechanism; 210. a push rod; 220. an elastic member; 221. a return spring; 222. a slide plate; 230. a plug rod; 231. rounding and chamfering; 240. rotating the rod; 250. a second fixing plate; 251. chamfering; 261. a connecting bolt; 262. a countersunk hole; 270. soundproof cotton.

Detailed Description

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

Referring to fig. 1, a sound absorption decoration partition wall mounting structure for fine finishing work includes two supporting plates 100, a plurality of partition plates 110 and two first fixing plates 120, wherein the two supporting plates 100 are respectively horizontally and fixedly mounted on the ground and the ceiling and are parallel to each other, the wall bodies on both sides are respectively vertically and fixedly provided with mounting plates 130, and both ends of the mounting plates 130 are respectively fixedly connected with the same ends of the two supporting plates 100.

Referring to fig. 2, the opposite side walls of the two support plates 100 are respectively provided with an installation groove 101 along the length direction thereof, the installation grooves 101 penetrate through the support plates 100 along the length direction thereof, and the groove side walls of one side thereof are communicated with the side walls of the support plates 100.

Referring to fig. 2 and 3, two sliding grooves 111 have been all seted up on the terminal surface at partition wall board 110 both ends, two sliding grooves 111 are located the both sides of partition wall board 110 one end respectively, horizontal sliding hole 112 has all been seted up on the lateral wall at partition wall board 110 both ends, sliding hole 112's length direction is on a parallel with partition wall board 110's width direction, partition wall board 110 communicates with sliding hole 112 with sliding groove 111 of one end, sliding groove 111 has seted up rotation chamfer 113 with sliding hole 112 on being connected the groove lateral wall of one end.

Referring to fig. 2 and 3, the two ends of the partition board 110 are provided with the connection mechanisms 200, each connection mechanism 200 includes a push rod 210, an elastic member 220, two insertion rods 230 and two rotation rods 240, the push rod 210 is slidably fitted with the sliding hole 112 and slidably mounted in the sliding hole 112, the insertion rods 230 are slidably fitted with the sliding grooves 111, the two insertion rods 230 are slidably mounted in the two sliding grooves 111 respectively, one end of the insertion rod 230, which is far away from the sliding hole 112, is provided with a circular chamfer 231, the two rotation rods 240 are located at the connection positions of the two sliding grooves 111 and the sliding hole 112 respectively and can rotate in the rotation chamfer 113, one end of the rotation rod 240 is rotatably mounted at one end of the insertion rod 230, which is far away from the circular chamfer 231, and the other end of the.

The bottom of the mounting groove 101 is provided with two insertion grooves 102 which are in insertion fit with the insertion rod 230, one end of the insertion rod 230, which is far away from the rotating rod 240, can be inserted into the insertion groove 102, the hole wall of the sliding hole 112 is provided with a rectangular accommodating cavity 114, the accommodating cavity 114 is located between the two sliding grooves 111, the elastic part 220 comprises a return spring 221 and a sliding plate 222, the sliding plate 222 is in sliding fit with the accommodating cavity 114, the sliding plate 222 is slidably installed in the accommodating cavity 114 and fixedly connected with the push rod 210, the return spring 221 is sleeved on the push rod 210, one end of the return spring 221 is fixedly connected with the side wall of the sliding plate 222, the other end of the return spring 221 is fixedly connected with the side wall of the accommodating cavity 114, the return spring 221 pushes the sliding plate 222 to abut against the side wall at one end of the accommodating cavity 114, so that the insertion rod 230 and the rotating rod 240 are kept in.

Referring to fig. 2 and 3, a plurality of partition boards 110 are horizontally installed on the supporting plate 100 at intervals, one end of each push rod 210 penetrates through the sliding hole 112, and one end of each push rod 210 penetrating through the sliding hole 112 can be slidably installed in the sliding hole 112 of the adjacent partition board 110, so that the two adjacent push rods 210 are abutted to each other; a limit groove which is matched with the push rod 210 in an inserting manner is formed in the side wall of one of the mounting plates 130, and one end of the push rod 210 adjacent to the mounting plate 130 can be installed in the limit groove in an inserting manner.

The side wall of the partition board 110 is provided with a strip-shaped hole 140, the strip-shaped hole 140 is communicated with the sliding hole 112, one end of the push rod 210 is fixedly provided with a slide bar 141, the slide bar 141 is perpendicular to the push rod 210, and one end of the slide bar 141, which is far away from the push rod 210, penetrates out of the strip-shaped hole 140.

Fixing grooves 116 which are arranged along the length direction of the partition plate 110 and penetrate through the partition plate 110 are formed in the two sides of the partition plate 110, one groove side wall of each fixing groove 116 is communicated with the side wall of the partition plate 110, the same fixing groove 116 is formed in the side wall, close to the partition plate 110, of the mounting plate 130, and the two adjacent fixing grooves 116 are communicated; a plurality of slots 117 are formed in the slot bottom of the mounting slot 101, the number of the slots 117 is one more than that of the partition boards 110, the slot bottom of the slots 117 is inclined, the slot bottom of the slot 117 above, which is close to the slot side wall of the mounting slot 101, is lower than the slot bottom of the slot 117, which is far away from the slot side wall of the mounting slot 101, the inclined direction of the slot bottom of the slot 117 above is parallel to the inclined direction of the slot bottom of the slot 117 below, the slot side wall of the slot 117 below is communicated with the side wall of the supporting plate 100, the slot 117 is located between two partition boards 110, and two slots 117 are respectively located between two mounting plates.

Referring to fig. 2 and 3, the partition plate 110 is provided with second fixing plates 250 having the same number as the number of the slots 117, the width of each second fixing plate 250 is equal to the sum of the widths of the two fixing slots 116, two ends of each second fixing plate 250 are respectively provided with an oblique chamfer 251 in insertion fit with the slots 117, the two oblique chamfers 251 are respectively located at two sides of each second fixing plate 250, the second fixing plates 250 are vertically inserted into the two communicating fixing slots 116, the upper ends of the second fixing plates 250 are inserted into the slots 117 above, and the lower portions of the second fixing plates 250 are installed in the slots 117 below.

The lower end of the second fixing plate 250 is provided with a connecting member, the connecting member includes two connecting bolts 261, two counter bores 262 are opened below the second fixing plate 250, and the connecting bolts 261 pass through the counter bores 262 and are threadedly mounted on the support plate 100.

The two first fixing plates 120 are respectively fixedly installed on the side walls of the two support plates 100, two fixing bolts 121 are respectively arranged at two ends of the first fixing plates 120, and the fixing bolts 121 penetrate through the first fixing plates 120 and are installed on the installation plate 130 in a threaded manner.

Soundproof cotton 270 is fixedly disposed on both the side wall of the first fixing plate 120 facing the partition plate 110 and the side wall of the second fixing plate 250 facing the bottom of the fixing groove 116.

The embodiment of the application, the sound absorption decoration partition wall installation structure of the fine finishing work is implemented according to the following principle:

when the partition board 110 is installed, the two support plates 100 are respectively and fixedly installed on the ceiling and the ground, then the two installation plates 130 are respectively and fixedly installed on the walls on the two sides, the sliding rod 141 is pulled, the sliding rod 141 drives the pushing rod 210 to move, the pushing rod 210 drives the sliding plate 222 to move and overcome the elastic force of the return spring 221, the pushing rod 210 slides in the sliding hole 112, the pushing rod 210 drives the plurality of rotating rods 240 to rotate, the rotating rods 240 rotate to enable the plugging rod 230 and the rotating rods 240 to be separated from a collinear state, the partition board 110 is pressed into the installation groove 101, the support plates 100 are in contact with the round chamfer 231 and generate component force along the length direction of the plugging rod 230, the component force pushes the plugging rod 230 to slide in the sliding groove 111, the plugging rod 230 is enabled to completely slide into the sliding groove 111, and.

The sliding rod 141 is loosened, the return spring 221 pushes the sliding plate 222 to move, the sliding plate 222 drives the push rod 210 to move, the push rod 210 drives the rotating rod 240 to rotate, the rotating rod 240 drives the inserting rod 230 to move and slide out of the sliding groove 111, and one end of the inserting rod 230, which is far away from the rotating rod 240, is inserted and installed in the inserting groove 102, so that the partition board 110 is fixedly installed on the supporting plate 100.

One end of the second fixing plate 250 is inserted into the slot 117 at the upper part, the other end of the second fixing plate 250 is installed in the slot 117 at the lower part, the connecting bolt 261 penetrates through the counter bore 262 to be in threaded connection with the support plate 100, the second fixing plate 250 is fixedly installed in the fixing slot 116, the sound insulation cotton 270 is pressed at the bottom of the fixing slot 116 by the second fixing plate 250, then the two first fixing plates 120 are respectively and fixedly installed on the two support plates 100 through the fixing bolts 121, the first fixing plates 120 are tightly pressed against the partition plate 110 and the support plates 100, and the sound insulation cotton 270 is pressed against the partition plate 110 and the support plates 100.

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

Claims

1. The utility model provides a fine finishing work inhales sound and decorates partition wall mounting structure which characterized in that: comprises two supporting plates (100) which are respectively horizontally arranged on the ground and the ceiling and are parallel to each other, a plurality of partition plates (110) and two first fixing plates (120), wherein the opposite side walls of the two supporting plates (100) are respectively provided with a mounting groove (101) which runs through the supporting plates (100) along the length direction, the side wall of the mounting groove (101) is communicated with the side wall of the support plate (100), be provided with coupling mechanism (200) on partition plate (110), the both ends of partition plate (110) are passed through coupling mechanism (200) are installed respectively two in mounting groove (101), it is a plurality of partition plate (110) horizontal interval is installed on backup pad (100) and interconnect, two first fixed plate (120) are installed respectively two on the lateral wall of backup pad (100) and with a plurality of partition plate (110) are connected.

2. The sound-absorbing decorative partition wall installation structure for fine finishing engineering according to claim 1, wherein: the end faces of two ends of the partition plate (110) are respectively provided with a plurality of sliding grooves (111), the side walls of two ends of the partition plate (110) are respectively provided with a horizontal sliding hole (112), the sliding grooves (111) at the same end of the partition plate (110) are communicated with the sliding holes (112), and the side wall of the groove at the end, connected with the sliding holes (112), of the sliding groove (111) is provided with a rotating chamfer (113); the connecting mechanisms (200) are arranged into two parts and are respectively positioned at two ends of the partition board (110), each connecting mechanism (200) comprises a push rod (210) in sliding fit with the corresponding sliding hole (112), an elastic part (220), a plurality of insertion rods (230) in one-to-one correspondence with the corresponding sliding grooves (111) and in sliding fit with the corresponding insertion rods (230) and a plurality of rotating rods (240) in one-to-one correspondence with the insertion rods (230), the bottom of the mounting groove (101) is provided with a plurality of insertion grooves (102) in one-to-one correspondence with the insertion rods (230) and in insertion fit with the corresponding insertion grooves (102), the push rods (210) are installed in the corresponding sliding holes (112) in a sliding manner, one end of each rotating rod (240) is rotatably installed at one end, close to the corresponding sliding hole (112), of the corresponding insertion rod (230), the other end of the rotating rod (240) is rotatably connected with the push rod (210), the elastic piece (220) is installed in the sliding hole (112) and connected with the push rod (210), and the elastic piece (220) enables the insertion rod (230) to be kept inserted in the insertion groove (102).

3. The sound-absorbing decorative partition wall installation structure for fine finishing engineering according to claim 2, wherein: the wall of the sliding hole (112) is provided with an accommodating cavity (114), the elastic part (220) comprises a return spring (221) and a sliding plate (222) which is in sliding fit with the accommodating cavity (114), the sliding plate (222) is slidably mounted in the accommodating cavity (114) and is connected with the push rod (210), the return spring (221) is sleeved on the push rod (210), one end of the return spring (221) is connected with the side wall of the sliding plate (222), the other end of the return spring (221) is connected with the side wall of the accommodating cavity (114), and the return spring (221) can enable the insertion rod (230) to be inserted in the insertion groove (102).

4. The sound-absorbing decorative partition wall installation structure for fine finishing engineering according to claim 2, wherein: a strip-shaped hole (140) communicated with the sliding hole (112) is formed in the side wall of the partition wall board (110), a sliding rod (141) perpendicular to the sliding rod is arranged on the push rod (210), and one end of the sliding rod (141) penetrates out of the strip-shaped hole (140).

5. The sound-absorbing decorative partition wall installation structure for fine finishing engineering according to claim 2, wherein: one end of the insertion rod (230) far away from the rotating rod (240) is provided with a round chamfer (231).

6. The sound-absorbing decorative partition wall installation structure for fine finishing engineering according to claim 1, wherein: the both sides of partition plate (110) all seted up along its length direction and link up fixed slot (116) of partition plate (110), a groove lateral wall of fixed slot (116) with the lateral wall intercommunication of partition plate (110), be provided with second fixed plate (250) on partition plate (110), the width of second fixed plate (250) and two the width sum of fixed slot (116) is the same, second fixed plate (250) are pegged graft and are installed in two of intercommunication in fixed slot (116) and its both ends respectively with two backup pad (100) are connected.

7. The sound-absorbing decorative partition wall installation structure for fine finishing engineering according to claim 6, wherein: oblique chamfers (251) have all been seted up at the both ends of second fixed plate (250), two oblique chamfers (251) are located respectively the both sides of second fixed plate (250), seted up on the groove lateral wall of mounting groove (101) a plurality ofly with oblique chamfer (251) grafting complex slot (117), be located the below the groove lateral wall of slot (117) with the lateral wall intercommunication of backup pad (100), the lower extreme of second fixed plate (250) is provided with the connecting piece, the connecting piece with backup pad (100) are connected.

8. The sound-absorbing decorative partition wall installation structure for fine finishing engineering according to claim 7, wherein: the connecting piece comprises a connecting bolt (261), and the connecting bolt (261) penetrates through the second fixing plate (250) and is in threaded connection with the supporting plate (100).

9. The sound-absorbing decorative partition wall installation structure for fine finishing engineering according to claim 6, wherein: soundproof cotton (270) is arranged on the side wall of the first fixing plate (120) facing the partition plate (110) and on the side wall of the second fixing plate (250) facing the bottom of the fixing groove (116).