CN211200983U - Building outer wall surface decoration device - Google Patents

Abstract

The utility model relates to a building outer wall decoration device belongs to building device's technical field, include the mount pad with wall fixed connection and can dismantle the decoration device body of being connected with the mount pad, there is the grafting piece on the decoration device body, the mount pad is gone with and is supplied grafting piece male slot, still be provided with in the mount pad and insert the grafting piece so that the grafting piece joint in the screens piece of mount pad and insert the second linear drive device of screens piece so that block card is located the mount pad by the drive of second linear drive device by the drive of first linear drive device, realize decorating device body and the dismantlement of mount pad and be connected through joint structure, avoided can not produce the structure of new roughness of destruction wall in the in-process of dismouting decoration device body, and then kept the level and smooth of wall.

Description

Building outer wall surface decoration device

Technical Field

The utility model belongs to the technical field of building device's technique and specifically relates to a building outer wall is with decorating device is related to.

Background

In modern building construction field, all need decorate the processing to the outer wall face of newly-built building usually, present the outer wall face to the building is handled and is mainly scribbled and rinse coating, sandblast and set up panel, because the setting up of panel can carry out fine beautification to the building in the outward appearance, helps the promotion of building grade, consequently, more adopt panel to decorate on the outer wall face of building now.

In the prior art, the decoration device is generally fixedly installed on the wall surface through fixing structures such as expansion bolts and the like. When decorating the device and damaging, need overhaul or change decorating the device, need dismantle mounting such as expansion bolts down this moment, overhaul or when finishing installing again, old bolt hole is unusable, and this bolt hole need be beaten again on the wall to the roughness of wall has been influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a building outer wall face decorates device, its advantage lies in that it can not form new bolt hole at the dismouting in-process to can not influence the roughness of outer wall face.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a building outer wall surface decoration device comprises a mounting seat fixedly connected with a wall surface and a decoration device body detachably connected with the mounting seat, wherein two insertion blocks are arranged on two sides of the surface, facing the mounting seat, of the decoration device body, and two insertion slots are formed in the mounting seat corresponding to the two insertion blocks;

one side of each of the two slots, which is far away from the decoration device body, is connected with a clamping block in a sliding manner, a clamping groove for the clamping block to insert is formed in each of the inserting blocks, each clamping block is connected with a first linear driving device for driving the clamping block to move towards or away from the clamping groove, the two first linear driving devices are connected with the same first linkage mechanism, and the two first linear driving devices are driven by the first linkage mechanism so as to drive the clamping block to synchronously extend into or retract out of the two clamping grooves;

still slide on the mount pad and be connected with two bolts that are used for two fixed screens pieces respectively, two all be provided with on the screens piece and supply bolt male pinhole, the bolt all is connected with the second linear drive device that drives the bolt orientation or deviate from the pinhole motion, two second linear drive device is connected with same second linkage, drives two second linear drive device and then drives two bolts and stretch into or two pinholes of shrink out in step through second linkage.

By adopting the technical scheme, in the installation process of the decoration device body, the insertion block is firstly inserted into the slot, then the first linkage mechanism is driven to drive the two first linear driving mechanisms so as to enable the two clamping blocks to be synchronously inserted into the clamping grooves, and then the second linkage mechanism is driven to drive the second linear driving mechanism so as to enable the two bolts to be synchronously inserted into the pin holes, so that the decoration device body and the fixing seat are fixed; according to the process, the structure that the flatness of the wall surface is damaged by a new bolt hole and the like can not be formed in the process of assembling and disassembling the decoration device body, so that the flatness of the wall surface is kept.

The utility model discloses further set up to: the mounting seat is further provided with a selective driving mechanism, and the selective driving mechanism is used for selectively driving the first linkage mechanism or the second linkage mechanism to act.

By adopting the technical scheme, the bolt and the clamping block can not move simultaneously, so that the first linkage mechanism and the second linkage mechanism do not need to move simultaneously, a selective driving mechanism is arranged to selectively drive the first linkage mechanism when the first linkage mechanism needs to be driven, and the second linkage mechanism is selectively driven when the second linkage mechanism needs to be driven, thereby reducing the number of driving mechanisms and saving the cost.

The utility model discloses further set up to: the selective driving mechanism comprises a first gear, a second gear and a selective gear, wherein the first gear and the second gear are rotatably connected to the same side face of the mounting seat, the selective gear is positioned between the first gear and the second gear, the first gear and the second gear are respectively connected with a first linkage mechanism and a second linkage mechanism and are used for driving the first linkage mechanism and the second linkage mechanism to act, the selective gear is coaxially and fixedly connected with a connecting shaft, an inverted T-shaped sliding groove is formed in the mounting seat, an annular convex block is arranged on the outer side of one end, close to the mounting seat, of the connecting shaft, the selective gear is connected to the mounting seat in a sliding mode through the connecting shaft and the sliding groove, and when the selective gear slides in the sliding groove, the selective gear can be selectively meshed with; and a positioning structure used for limiting the position of the selected gear is also arranged on the mounting seat.

Through adopting above-mentioned technical scheme, realize selecting gear and first gear or the meshing of second gear through the mode that connecting axle and spout slided and are connected, simple structure sets up the convenience, and the cost is lower.

The utility model discloses further set up to: the positioning structure comprises a buckling part buckled outside the first gear, the second gear and the selection gear and fixedly connected with the mounting seat, a kidney-shaped hole for the selection gear to slide is formed in the buckling part, the selection gear is respectively meshed with the first gear and the second gear when being positioned at two ends of the kidney-shaped hole, two ends of the kidney-shaped hole are respectively hinged with a limiting piece with a semicircular groove, one end, far away from a hinged point, of the limiting piece is provided with a spring pin, the pin head of the spring pin points to the buckling part, and an insertion hole for the spring pin head to insert is formed in the buckling part; when the spring pin head is inserted into the jack, the groove on the limiting sheet where the spring pin is located and the end of the waist-shaped hole form a positioning hole which positions one side, far away from the convex block, of the connecting shaft.

Through adopting above-mentioned technical scheme, realize the location to selecting the gear through the cooperation of buckling parts, spacing piece and spring catch, simple structure sets up and operates all more conveniently, and the cost is lower.

The utility model discloses further set up to: and a hand wheel is coaxially and fixedly connected with one end of the connecting shaft, which is far away from the mounting seat.

By adopting the technical scheme, the hand wheel rotates to select the gear to rotate, so that the rotation process of the gear is convenient to select, and the process of driving the clamping block or the bolt to move by the selection driving mechanism is convenient.

The utility model discloses further set up to: the screens piece sets up to the cross-section for square pole, be provided with in the mount pad and supply the gliding cross-section of screens piece to be square sliding tray.

Through adopting above-mentioned technical scheme, the screens piece sets up to the square pole and slides along the sliding tray in the mount pad, simple structure, and it is convenient to set up, and the cost is lower to the slip orbit of screens piece is stable.

The utility model discloses further set up to: the first linear driving device comprises a screw rod which is rotatably connected in the mounting seat and the length direction of which is parallel to the length direction of the clamping block, a sliding block is integrally arranged on one side of the clamping block, and a threaded through hole for the screw rod to pass through is formed in the sliding block; when the screw rod rotates, the sliding block moves linearly on the screw rod.

Through adopting above-mentioned technical scheme, rotate through the screw rod and drive screens piece linear motion on the screw rod, and then realize screens piece linear motion, simple structure, it is all more convenient with the operation to set up, and the cost is lower.

The utility model discloses further set up to: two the coaxial setting of first linear drive device's screw rod, first link gear is including rotating the second link shaft of connecting in the mount pad and axis and screw rod axis parallel, the second link shaft is connected and is provided with the structure of stepping down that holds first synchronous belt in the mount pad through first synchronous belt drive with two screw rods.

By adopting the technical scheme, the first linkage structure is arranged as the linkage shaft, the structure is simple, the arrangement and the operation are both convenient, and the cost is lower.

The utility model discloses further set up to: the second linear driving device is arranged to be a worm gear screw rod lifter located in the mounting seat, and one end of a screw rod of the worm gear screw rod lifter is fixedly connected with the bolt.

Through adopting above-mentioned technical scheme, through turbine lead screw lift drive bolt linear motion, simple structure, convenient operation.

The utility model discloses further set up to: the input shafts of the two worm screw lifters are coaxially arranged; the second linkage mechanism comprises a first linkage shaft which is rotatably connected in the mounting seat and the axis of which is parallel to the axis of the input shaft of the worm screw rod lifter, the first linkage shaft is connected with the input shafts of the two worm screw rod lifters through a second synchronous belt transmission and a yielding structure for accommodating a second synchronous belt is arranged in the mounting seat.

By adopting the technical scheme, the second linkage structure is arranged as the linkage shaft, the structure is simple, the arrangement and the operation are both convenient, and the cost is lower.

To sum up, the utility model discloses a beneficial technological effect does:

1. the fixing of the decoration device body is realized through the clamping block, the plug pin and the inserting block, so that a new bolt hole cannot be generated in the process of dismounting the decoration device body, and the flatness of the wall surface is kept;

2. the arrangement of the first linkage mechanism and the second linkage mechanism enables the two clamping blocks and the bolt to synchronously move, thereby facilitating the operation;

3. the provision of selective drive means reduces the number of drive means and thus saves on the cost of the apparatus.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the transmission connection of the present invention;

FIG. 3 is a schematic view of the pin and pin hole configuration of the present invention;

FIG. 4 is a schematic view of another embodiment of the present invention;

FIG. 5 is a schematic view of another embodiment of the pin and pin hole of the present invention;

FIG. 6 is a schematic view of a connection structure of a selection gear and a mounting seat for embodying the present invention;

FIG. 7 is a schematic view of a limiting structure for embodying a selection gear;

fig. 8 is an enlarged view of a portion a in fig. 7.

In the figure, 1, a mounting seat; 11. a slot; 2. a decoration device body; 21. an insertion block; 211. a clamping groove; 3. a bit block; 31. a pin hole; 32. a slider; 4. a worm screw hoist; 41. a bolt; 42. a limiting block; 5. a screw; 6. a first linkage shaft; 71. a first gear; 72. a second gear; 73. selecting a gear; 731. a connecting shaft; 74. a hand wheel; 75. a fastening part; 751. a limiting sheet; 8. a second linkage shaft.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, a building outer wall surface decoration device, including decoration device body 2 and mount pad 1, mount pad 1 passes through expansion bolts fixed connection with the building outer wall surface, and decoration device body 2 can dismantle with mount pad 1 and be connected, damages when needing maintenance or change at decoration device body 2, can pull down decoration device body 2 from mount pad 1, installs decoration device body 2 on mount pad 1 again after the maintenance or change finish.

Referring to fig. 1 and 2, mount pad 1 sets up to the cuboid, and its one side is parallel with the wall and the equal level of up-down terminal surface, and mount pad 1 is provided with two cross-sections for square slot 11 in the one side that deviates from the wall, and one side an organic whole that decoration device body 2 is close to the wall is fixed with two and slot 11 complex plug-in blocks 21, and plug-in blocks 21 insert in slot 11 to realize that decoration device body 2 pegs graft with mount pad 1.

Referring to fig. 2 and 4, in order to further fix the insertion block 21 in the insertion slot 11, a sliding groove with a square cross section is formed in each of two side surfaces of the insertion slot 11, a rod-shaped block 3 with a square cross section is slidably connected in the sliding groove, the straight lines of the lengths of the two sliding grooves are the same straight line parallel to the wall surface, a position on the insertion block 21 corresponding to the block 3 is provided with a block groove 211, and the block groove 211 is inserted into the block 3 to limit the position of the insertion block 21.

One side homogeneous body that the screens piece 3 is close to the wall is provided with a slider 32, is provided with the screw hole in the middle of the slider 32, and the screw rod 5 that a length place straight line is on a parallel with the straight line of grafting piece 21 length place passes the screw hole in the slider 32 and with slider 32 threaded connection, sets up the cavity that holds screw rod 5 in the mount pad 1, and the both ends of screw rod 5 all rotate with mount pad 1 and are connected. The slide block 32 can slide on the screw rod 5 by rotating the screw rod 5, so that the clamping block 3 slides in the sliding groove, and the clamping block 3 extends into or retracts out of the clamping groove 211, thereby realizing the positioning or non-positioning of the insertion block 21 in the slot 11.

It should be noted that the two retainer blocks 3 have identical structures and are correspondingly arranged, and the screw rods 5 respectively driving the two retainer blocks 3 to move are coaxial.

Referring to fig. 2, a second coupling shaft 8 with an axis parallel to the axes of the screws 5 is further rotatably connected in the mounting base 1, a gear is coaxially and fixedly arranged on one side of each screw 5 away from the insertion block 21, gears are respectively arranged on the second coupling shaft 8 corresponding to the gears on the two screws 5, and the gears are respectively connected with the two screws 5 through a synchronous belt in a transmission manner. The two screw rods 5 can synchronously rotate through the rotation of the second linkage shaft 8, and the threads of the two screw rods 5 are reversely arranged, so that the two sliding blocks 32 are close to or far away from the decorating device body 2 at the same time.

Referring to fig. 3 and 5, in order to limit the positions of the position-locking blocks 3, two pin holes 31 are formed in one side surface of each position-locking block 3 away from the wall surface, a pin 41 moving along a straight line perpendicular to the wall surface is respectively arranged in the mounting seat 1 corresponding to the two position-locking blocks 3, and the pin 41 is inserted into the two pin holes 31 in the position-locking blocks 3, so that the position-locking blocks 3 can be positioned in a state of being completely inserted into or retracted out of the position-locking grooves 211.

Referring to fig. 2 and 3, the bolts 41 are cylindrical, two bolts 41 are connected with a small-sized worm gear lead screw lifter 4, the bolts 41 are fixedly connected with the lead screw of the worm gear lead screw lifter 4 coaxially, the worm gear lead screw lifter 4 is fixedly arranged in the mounting base 1, and the input shafts of the two worm gear lead screw lifters 4 are coaxially arranged and deviated from each other.

Referring to fig. 2, a first linkage shaft 6 with an axis parallel to the axis of the input shaft of the worm screw lifter 4 is further rotatably connected in the mounting base 1, a gear is coaxially and fixedly connected to the end portion of each worm screw lifter 4, which is away from each other, a gear is respectively arranged on the first linkage shaft 6 corresponding to the gears on the input shafts of the two worm screw lifters 4, and the gears are respectively connected with the input shafts of the two worm screw lifters 4 through corresponding gears in a synchronous belt transmission manner. The input shafts of the two worm gear screw lifters 4 can be driven to synchronously rotate through the rotation of the first linkage shaft 6, and then the screw rods of the two worm gear screw lifters 4 are driven to synchronously move, namely the two bolts 41 are synchronously inserted into or retracted out of the pin holes 31 on the clamping block 3.

Referring to fig. 5, further, a limit block 42 with a square cross section is rotatably connected to the end portion, far away from the bolt 41, of the screw rod of the worm gear screw lifter 4, when the screw rod linearly moves, the limit block 42 also linearly moves, a square groove for the limit block 42 to linearly move is formed in the mounting base 1, and the limit block 42 and the square groove are matched to limit the linear movement track of the screw rod.

Referring to fig. 2 and 3, it should be noted that a yielding structure corresponding to the transmission structure is arranged in the mounting base 1, and the belt transmission parts of the two linkage shafts are also arranged in a staggered manner, so as to prevent interference of the parts of the device.

Referring to fig. 4 and 6, one ends of the first linkage shaft 6 and the second linkage shaft 8, which are located on the same side of the mounting base 1, extend out of the mounting base 1 and are coaxially and fixedly connected with a first gear 71 and a second gear 72 respectively, and a selection gear 73 is arranged between the first gear 71 and the second gear 72. The selection gear 73 is connected with the mounting base 1 in a sliding manner.

Specifically, a chute with a T-shaped cross section and a length passing through the axes of the first gear 71 and the second gear 72 is formed in the mounting seat 1, a connecting shaft 731 is coaxially and fixedly connected to the selecting gear 73, an annular bump is arranged on the outer side of one end of the connecting shaft 731, the end of the connecting shaft 731 is in sliding fit with the chute, the selecting gear 73 slides on the mounting seat 1 through the connecting shaft 731, the selecting gear 73 is engaged with the first gear 71 when the connecting shaft 731 is located at the end of the chute close to the first gear 71, and the selecting gear 73 is engaged with the second gear 72 when the connecting shaft 731 is located at the end of the chute close to the second gear 72.

Referring to fig. 7 and 8, in order to limit the position of the selection gear 73, a fastening portion 75 for fastening the first gear 71, the second gear 72 and the selection gear 73 is disposed outside the mounting base 1, a kidney-shaped hole for allowing a portion of the connecting shaft 731 far away from the protrusion to slide is disposed on the fastening portion 75, and the selection gear 73 is engaged with the first gear 71 or the second gear 72 when the connecting shaft 731 is located at an end of the kidney-shaped hole. The buckling part 75 is further provided with two rectangular positioning pieces, one end of each positioning piece is hinged to the buckling part 75, and the positioning pieces rotate on the surface of the buckling part 75 where the waist-shaped holes are located. One side of each positioning piece is provided with a semicircular groove, the two positioning pieces are respectively positioned at two ends of the waist-shaped hole, one end of each positioning piece, far away from the hinged point of the positioning piece and the buckling part 75, is fixedly provided with a spring pin of the straight-line buckling part 75 with a pin head, and the buckling part 75 is provided with a jack corresponding to each spring pin. When the pin head of the spring pin is inserted into the insertion hole, the groove on the limiting piece 751 where the spring pin is located and the end of the kidney-shaped hole are surrounded to form a round hole for accommodating the connecting shaft 731, so that the connecting shaft 731 is limited.

Referring to fig. 6 and 7, a hand wheel 74 is coaxially and fixedly connected to one end of the connecting shaft 731, which is located outside the mounting base 1, and the selecting gear 73 can be conveniently rotated by the hand wheel 74, so that other parts of the driving device can be driven to move.

In the concrete dismouting process:

during installation, the insertion block 21 on the decoration device body 2 is inserted into the insertion slot 11, then the selection gear 73 is moved to be meshed with the second gear 72 through the hand wheel 74, the position of the selection gear 73 is limited through the limiting piece 751, the hand wheel 74 is rotated until one end of the clamping block 3 abuts against one end, located on the inner side, of the clamping groove 211, when the end of the clamping block 3 is completely located in the clamping groove 211, great resistance is generated by rotating the hand wheel 74, and therefore it is judged that the end of the clamping block 3 completely enters the clamping groove 211, and the clamping block 3 cannot be inserted into the clamping groove 211 continuously; then the limiting of the limiting piece 751 on the selection gear 73 is released, the selection gear 73 is moved to be meshed with the first gear 71, then the position of the selection gear 73 is limited through the other limiting piece 751, the hand wheel 74 is rotated until the bolt 41 is completely inserted into the jack, and similarly, when the bolt 41 is completely inserted into the jack, the hand wheel 74 cannot continue to rotate in the original direction, and at this time, the installation process is completed.

The dismantlement process is the reverse process of installation, it needs to indicate, when screens piece 3 pulled out screens groove 211 completely, screens piece 3 kept away from the one end of screens groove 211 can butt the mount pad 1 inner wall of the cavity that screens piece 3 belongs to, when bolt 41 pulled out completely, the terminal portion that bolt 41 was kept away from to the lead screw of worm screw lift 4 can butt mount pad 1 inner wall that the lead screw belongs to, thereby make hand wheel 74 can't continue to rotate along former direction, and then judge whether screens piece 3 and bolt 41 pulled out completely.

Compared with the process of dismounting the expansion bolt and then re-nailing the expansion bolt, no new bolt hole is generated in the process of dismounting the decoration device body 2, so that the flatness of the wall surface is kept; the clamping block 3 and the bolt 41 are both positioned in the mounting seat 1, so that the flatness of the outer part of the mounting seat 1 is not influenced, and meanwhile, the bolt 41 and the clamping block 3 can be driven to move through the hand wheel 74 on the outer part, so that the mounting seat is simple and convenient; the arrangement of the linkage shaft enables the two clamping blocks 3 to act synchronously, and the two bolts 41 can act simultaneously, so that the operation is convenient; the arrangement of the selection gear 73 enables a single gear to selectively drive two linkage shafts to act, the number of driving gears is reduced, the number of hand wheels 74 protruding outwards from the mounting base 1 is reduced, the external space is saved, and the cost is also saved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (10)

1. A building outer wall surface decoration device comprises a mounting seat (1) fixedly connected with a wall surface and a decoration device body (2) detachably connected with the mounting seat (1), wherein two insertion blocks (21) are arranged on two sides of the surface, facing the mounting seat (1), of the decoration device body (2), and two insertion slots (11) are formed in the mounting seat (1) corresponding to the two insertion blocks (21); the method is characterized in that:

one sides, away from the decoration device body (2), of the two slots (11) are connected with clamping blocks in a sliding mode, clamping grooves (211) into which the clamping blocks are inserted are formed in the inserting blocks (21), the clamping blocks are connected with first linear driving devices which drive the clamping blocks to move towards or away from the clamping grooves (211), the two first linear driving devices are connected with the same first linkage mechanism, and the two first linear driving devices are driven by the first linkage mechanism to further drive the clamping blocks to synchronously extend into or retract out of the two clamping grooves (211);

still slide on mount pad (1) and be connected with two bolts (41) that are used for fixed two screens pieces respectively, two all be provided with on the screens piece and supply bolt (41) male pinhole (31), bolt (41) all are connected with drive bolt (41) orientation or deviate from the second linear drive arrangement of pinhole (31) motion, two second linear drive arrangement is connected with same second linkage, drives two second linear drive arrangement and then drives two bolts (41) and stretch into or contract out two pinholes (31) in step through second linkage.

2. The decoration device for the outer wall surface of the building as claimed in claim 1, wherein: the mounting seat (1) is further provided with a selective driving mechanism, and the selective driving mechanism is used for selectively driving the first linkage mechanism or the second linkage mechanism to act.

3. The decoration device for the outer wall surface of the building as claimed in claim 2, wherein: the selective driving mechanism comprises a first gear (71) and a second gear (72) which are rotatably connected on the same side surface of the mounting seat (1), and a selective gear (73) which is positioned between the first gear (71) and the second gear (72), the first gear (71) and the second gear (72) are respectively connected with the first linkage mechanism and the second linkage mechanism and are used for driving the first linkage mechanism and the second linkage mechanism to act, one side of the selection gear (73) close to the mounting seat (1) is provided with a connecting shaft (731), an inverted T-shaped sliding groove is arranged on the mounting seat (1), an annular groove is arranged at one end of the connecting shaft (731) close to the mounting seat (1), the selecting gear (73) is connected on the mounting seat (1) in a sliding manner through the connecting shaft (731) and the sliding groove, when the selection gear (73) slides in the sliding groove, the selection gear can be meshed with the first gear (71) or the second gear (72); the mounting seat (1) is also provided with a positioning structure for limiting the position of the selection gear (73).

4. The decoration device for external wall surface of building as claimed in claim 3, wherein: the positioning structure comprises a buckling part (75) buckled outside the first gear (71), the second gear (72) and the selection gear (73) and fixedly connected with the mounting seat (1), a kidney-shaped hole for the selection gear (73) to slide is formed in the buckling part (75), the selection gear (73) is respectively meshed with the first gear (71) and the second gear (72) when being positioned at two ends of the kidney-shaped hole, two ends of the kidney-shaped hole are respectively hinged with a limiting piece (751) with a semicircular groove, one end, far away from a hinged point, of each limiting piece (751) is provided with a spring pin with a pin head pointing to the buckling part (75), and a jack for the spring pin head to be inserted is formed in the buckling part (75); when the head of the spring pin is inserted into the insertion hole, the groove on the limiting sheet (751) where the spring pin is located and the end of the waist-shaped hole form a positioning hole for positioning one side, far away from the convex block, of the connecting shaft (731).

5. The decoration device for external wall surface of building as claimed in claim 4, wherein: and one end of the connecting shaft (731), which is far away from the mounting seat (1), is coaxially and fixedly connected with a hand wheel (74).

6. The decoration device for the outer wall surface of the building as claimed in claim 1, wherein: the clamping block is arranged to be a rod with a square cross section, and a sliding groove with a square cross section for the sliding of the clamping block is arranged in the mounting seat (1).

7. The decoration device for the outer wall surface of the building as claimed in claim 1, wherein: the first linear driving device comprises a screw rod (5) which is rotatably connected in the mounting seat (1) and the length direction of the screw rod is parallel to the length direction of the clamping block, a sliding block (32) is integrally arranged on one side of the clamping block, and a threaded through hole for the screw rod (5) to pass through is formed in the sliding block (32); when the screw rod (5) rotates, the sliding block (32) moves linearly on the screw rod (5).

8. The decoration device for external wall surface of building as claimed in claim 7, wherein: two screw rod (5) coaxial setting of first linear drive device, first link gear is including rotating the second link shaft (8) that connects in mount pad (1) and axis and screw rod (5) axis parallel, second link shaft (8) are connected and are provided with the structure of stepping down that holds first synchronous belt in mount pad (1) through first synchronous belt drive with two screw rods (5).

9. The decoration device for the outer wall surface of the building as claimed in claim 1, wherein: the second linear driving device is arranged to be a worm gear screw rod lifter (4) located in the mounting seat (1), and one end of a screw rod of the worm gear screw rod lifter (4) is fixedly connected with the plug pin (41).

10. The decoration device for external wall surface of building as claimed in claim 9, wherein: the input shafts of the two worm wheel screw lifters (4) are coaxially arranged; the second linkage mechanism comprises a first linkage shaft (6) which is connected in the mounting seat (1) in a rotating mode and is parallel to the axis of the input shaft of the worm screw lifting machine (4), the first linkage shaft (6) is connected with the input shafts of the two worm screw lifting machines (4) through a second synchronous belt in a transmission mode, and a yielding structure for accommodating a second synchronous belt is arranged in the mounting seat (1).

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