CN112178027A

CN112178027A - A can dismantle fixed equipment for building interior decoration

Info

Publication number: CN112178027A
Application number: CN202011096447.5A
Authority: CN
Inventors: 唐正艳; 马艳
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-09-04
Filing date: 2018-09-04
Publication date: 2021-01-05
Also published as: CN109026935B; CN109026935A; CN112178028A

Abstract

The invention belongs to the field of architectural decoration, and particularly relates to detachable fixing equipment for architectural interior decoration, which comprises a wall body, an expansion plug hole, an ornament, a clamping sleeve hole, a fixing mechanism, an expansion plug and a clamping sleeve mechanism, wherein the expansion plug hole is formed in the wall surface of the wall body; the expansion plug is arranged in the expansion plug hole; the fixing mechanism is arranged on the wall surface through the matching with the expansion plug; the side end face of the ornament is provided with a clamping sleeve hole; the clamping sleeve mechanism is arranged on the side end face of the ornament through the matching with the clamping sleeve hole; the ornament is arranged on the wall surface of the wall body through the matching of the fixing mechanism and the clamping sleeve mechanism; the positioning column and the clamping sleeve are hidden between the wall body and the ornament, so that the attractive effect of the ornament after installation is not influenced; meanwhile, the defect that the protruding part of the traditional expansion screw causes damage to people is avoided; the safety of the interior decoration is ensured as much as possible.

Description

A can dismantle fixed equipment for building interior decoration

Technical Field

The invention belongs to the field of architectural decoration, and particularly relates to detachable fixing equipment for architectural interior decoration.

Background

At present, the traditional indoor decoration uses an expansion screw as a fixing device; to fix the ornament by the collision screw, firstly, punching a hole on the wall, and then punching a corresponding through hole on the ornament or the substrate of the ornament; when the ornament is mounted on the wall body through the collision screw, the expansion screw is exposed on the surface of the ornament; therefore, the appearance is influenced, and certain potential safety hazards exist in the extending part of the expansion screw; the person may be scratched with little attention, thereby causing unnecessary troubles.

The present invention is directed to a detachable fixing device for interior decoration of buildings to solve the above problems.

Disclosure of Invention

In order to solve the defects in the prior art, the invention discloses a detachable fixing device for building interior decoration, which is realized by adopting the following technical scheme.

A can dismantle fixed equipment for building interior decoration which characterized in that: the wall comprises a wall body, expansion plug holes, ornaments, a clamping sleeve hole, a fixing mechanism, an expansion plug and a clamping sleeve mechanism, wherein the expansion plug holes are formed in the wall surface of the wall body; the expansion plug is arranged in the expansion plug hole; the fixing mechanism is arranged on the wall surface through the matching with the expansion plug; the side end face of the ornament is provided with a clamping sleeve hole; the clamping sleeve mechanism is arranged on the side end face of the ornament through the matching with the clamping sleeve hole; the ornament is installed on the wall of the wall body through the matching of the fixing mechanism and the clamping sleeve mechanism.

The fixing mechanism comprises a conical threaded column, a ring pulling groove, a first sliding hole, a hexagonal plate, a second sliding hole, a connecting round block, a third sliding hole, a rotating round block, a fourth sliding hole, a positioning column, a movable round groove, a connecting round groove, a sliding cavity, a gear cavity, a first sliding groove, a fifth sliding hole, a second sliding groove, a limiting groove, a guide strip, a supporting round block, an eighth sliding hole, a second clamping block, an unlocking sleeve, an unlocking round groove, a reset spring, a pull rod, a pull ring, a first rack, a seventh sliding hole, a tensioning spring, an L-shaped connecting plate, a sixth sliding hole, a second rack, a positioning groove, a second limiting block, a limiting spring, a second gear, a one-way clutch, a gear shaft and a first gear, wherein the positioning column is cylindrical; one end of the positioning column is provided with a movable circular groove; a connecting circular groove is formed in the center of the upper end face of one end, provided with the movable circular groove, of the positioning column, and the connecting circular groove is communicated with the movable circular groove; a sliding cavity and a gear cavity are sequentially formed in the positioning column along the length direction of the positioning column, and the sliding cavity is close to the movable circular groove; a second sliding chute is formed in the upper end face of the inner wall of the gear cavity and communicated with the sliding cavity; the upper end surface of the inner wall of the second sliding chute is tangent to the upper end surface of the inner wall of the sliding cavity; a plurality of limiting grooves are uniformly formed in the upper end surface of the inner wall of the second sliding groove along the length direction of the second sliding groove; a first sliding groove is formed in the end face, which is not provided with the connecting circular groove, of the positioning column, and penetrates through the gear cavity and is communicated with the sliding cavity; a fifth sliding hole is formed in the center of the end face of the movable circular groove and communicated with the movable circular groove; the fifth sliding hole is opposite to the first sliding groove; a through fourth sliding hole is formed between the two end faces of the rotary round block; the rotary round block is arranged in the movable round groove; a through third sliding hole is formed between the two end faces of the connecting round block; one end of the connecting round block is inserted into the connecting round slot and is fixedly connected with the rotating round block; the third sliding hole is in butt joint with the fourth sliding hole; a through second sliding hole is formed between the two end surfaces of the hexagonal plate; the hexagonal plate is fixedly connected with the end surface of the connecting round block through one end surface of the hexagonal plate; the second sliding hole is in butt joint with the third sliding hole; the outer circular surface of the conical threaded column is provided with conical threads; a pull ring groove is formed in the center of the small-radius end face of the conical threaded column; a first through sliding hole is formed in the center of the end face of the pull ring groove; the conical threaded column is fixedly connected with the hexagonal plate through the large-radius end surface of the conical threaded column; the first sliding hole is in butt joint with the second sliding hole; the two guide strips are arranged on the outer circular surface of the positioning column and are uniformly distributed along the circumferential direction of the outer circular surface of the positioning column; the two guide strips are parallel to the central axis of the positioning column.

The one-way clutch and the first gear are arranged in the gear cavity through a gear shaft; the gear shaft is matched with the inner wall of the gear cavity through a bearing; the one-way clutch is positioned below the second chute; the first gear is positioned above the first sliding chute; the second gear is nested on the outer circular surface of the one-way clutch through the inner circular surface of the second gear; the upper end surface of the second rack is provided with a plurality of positioning grooves along the length direction; the upper end of the second limiting block is provided with an inclined plane; the second limiting blocks are respectively inserted into the positioning grooves through the lower ends of the second limiting blocks; the limiting springs are respectively positioned in the limiting grooves; one end of each limiting spring is connected with the inner wall of the corresponding limiting groove, and the other end of each limiting spring is connected with the end face of the corresponding limiting block; the second rack is arranged in the second sliding chute, and one end of the second rack enters the sliding cavity; a plurality of limiting blocks arranged in a plurality of positioning grooves are matched with a plurality of limiting grooves; the second rack is meshed with the second gear; one end of the L-shaped connecting plate is provided with a sixth sliding hole; the L-shaped connecting plate is positioned in the sliding cavity, and one end of the L-shaped connecting plate, which is not provided with the sixth sliding hole, is fixedly connected with the second rack; the sixth sliding hole is simultaneously opposite to the fifth sliding hole and the first sliding groove.

A through seventh sliding hole is formed between the two end surfaces of the first rack; the first rack is inserted into the first sliding groove from the end face of the positioning column with the first sliding groove through one end of the first rack and penetrates through the gear cavity; the first rack is meshed with the first gear; one end of the first rack positioned in the first sliding chute is connected with the L-shaped connecting plate through a tension spring; one end of the tensioning spring is connected with the end face of the first rack, and the other end of the tensioning spring is connected with the L-shaped connecting plate; the seventh slide hole is opposite to the sixth slide hole; a through eighth sliding hole is formed between the two end faces of the supporting round block; the supporting round block is fixedly connected with the first rack through one end face of the supporting round block, and the eighth sliding hole is in butt joint with the seventh sliding hole; the two second clamping blocks are symmetrically arranged on the outer circular surface of the supporting round block through respective one ends, and the two second clamping blocks are inclined towards the positioning column at a certain angle; an unlocking circular groove is formed in the center of one end face of the unlocking sleeve; the unlocking sleeve is nested on the supporting round block through the sliding fit of the unlocking round groove and the outer circular surface of the supporting round block; the reset spring is positioned in the unlocking circular groove; one end of the reset spring is connected with the end face of the supporting round block, and the other end of the reset spring is connected with the inner wall of the unlocking round groove; one end of the pull rod is provided with a pull ring; one end of the pull rod, which is not connected with the pull ring, sequentially passes through the first sliding hole, the second sliding hole, the third sliding hole, the fourth sliding hole, the fifth sliding hole, the sixth sliding hole, the seventh sliding hole and the eighth sliding hole to be fixedly connected with the inner wall of the unlocking circular groove; the pull ring is positioned in the unlocking circular groove; the conical threaded column is matched with the expansion plug; the hexagonal plate is in contact with the wall surface; the positioning column is matched with the clamping sleeve mechanism; the guide bar is matched with the clamping sleeve mechanism; the second clamping block is matched with the clamping sleeve mechanism; the unlocking sleeve is matched with the second clamping block.

The clamping sleeve mechanism comprises a clamping sleeve, a positioning cavity, a guide groove, a clamping groove, a first limiting block, a first clamping block, a positioning pin and a torsion spring, wherein the clamping sleeve is cylindrical; a cylindrical positioning cavity is formed in the cutting sleeve and is communicated with one end face of the cutting sleeve; two guide grooves are uniformly formed in the inner circular surface of the positioning cavity in the circumferential direction and are parallel to the central axis of the clamping sleeve; two clamping grooves are circumferentially and uniformly formed in the inner circular surface of the positioning cavity; the two first clamping blocks are symmetrically arranged in the two clamping grooves respectively through the positioning pins, and one ends of the two first clamping blocks, which are exposed out of the corresponding clamping grooves, are inclined towards the end face of the positioning cavity; the upper end of each first clamping block is provided with a first limiting block; the upper end surface of the first limiting block is matched with the upper end surface of the corresponding clamping groove; the two torsion springs are respectively nested on the two locating pins, one end of each torsion spring is connected with the inner wall of the clamping groove, and the other end of each torsion spring is connected with the side end face of the first clamping block; the clamping sleeve is embedded into the clamping sleeve hole through the outer circular surface of the clamping sleeve; the clamping sleeve is nested on the outer circular surface of the positioning column through the inner circular surface of the clamping sleeve; the first clamping block is matched with the second clamping block.

As a further improvement of the present technology, the inclination angle of the first latch is equal to the inclination angle of the second latch.

As a further improvement of the present technology, the return spring is a compression spring.

As a further improvement in the present technique, the tension spring is compressible and stretchable.

As a further improvement of the present technology, the transmission ratio of the first gear to the second gear is 2: 1.

As a further improvement of the present technology, the spring constant of the torsion spring is smaller than the spring constant of the tension spring.

As a further improvement of the technology, the second fixture block is a thin steel sheet and has certain toughness.

The first limiting block, the second limiting block, the first clamping block and the second clamping block are designed for the purpose that after the fixing mechanism and the sleeve clamping mechanism are respectively installed on a wall surface and an ornament, a person holds the ornament by hand and approaches the wall surface, the positioning column together with the supporting round block, the second clamping block and the unlocking sleeve enters the sleeve clamping sleeve, and the positioning column slides relatively to the positioning cavity of the sleeve clamping sleeve along the guide groove; when the two second clamping blocks meet the two first clamping blocks at the same time, the two second clamping blocks simultaneously act on the two first clamping blocks respectively, so that the two first clamping blocks swing around the corresponding positioning pins; the two torsion springs deform and store energy; continuously pushing the ornament to approach the wall surface; the two second clamping blocks continuously act on the two first clamping blocks and cross the two first clamping blocks; the two first clamping blocks swing back to the initial positions under the action of restoring forces of the two torsion springs; then the person holds the adornment with hands to move in the direction far away from the wall surface; so that the fixing mechanism and the clamping sleeve mechanism generate reverse relative movement; the two second clamping blocks move towards the first clamping block in the reverse direction together; the two first clamping blocks and the two second clamping blocks are in opposite encounter and interact with each other; the first limiting block limits the first clamping blocks to swing in opposite directions, so that the two first clamping blocks and the two second clamping blocks are clamped together; the two first clamping blocks drive the first gear to rotate through the two second clamping blocks, the supporting round block and the first rack; the first gear drives the second gear to synchronously rotate through a gear shaft and a one-way clutch; the second gear drives the second rack to slide towards the sliding cavity along the second sliding chute; the plurality of limiting grooves act on the inclined surfaces of the plurality of second limiting blocks at the same time, so that the plurality of second limiting blocks move downwards and limit on the second racks is removed; the second rack drives the L-shaped connecting plate to move in the opposite direction of the first rack; the tension spring is stretched; the transmission ratio of the first gear to the second gear is 2:1, so that the sliding distance of the L-shaped connecting plate driven by the second rack is twice that of the first rack, and the stretching length of the tensioning spring is three times that of the first rack; when a plurality of second limiting blocks simultaneously reach the next limiting groove and enter the corresponding limiting grooves, the hand supports the decoration to move towards the wall surface and return to the initial position; the side end face of the second limiting block interacts with the limiting groove, and the second limiting block and the second rack do not return to the original initial position any more; the first rack drives the first gear to rotate reversely; due to the action of the one-way clutch, the reverse rotation of the first gear cannot drive the second gear to rotate reversely; meanwhile, the tensioning spring pulls the two second clamping blocks to return to the initial positions through the first rack and the supporting round block; at the moment, the tension spring recovers one third of the stretching length, and the stretching length of the tension spring is twice of the sliding distance of the previous first rack; under the action of the tension spring, the second clamping block interacts with the first clamping block; the two second clamping blocks drive the ornament to approach the wall surface and tightly press the wall surface through the two first clamping blocks; after the hand-held decoration is repeatedly pulled and pushed for a plurality of times, the second rack continuously slides on the basis of the previous sliding; the tension spring is continuously elongated on the basis of the previous elongation; the tension is larger and larger, and the tensioning spring pulls the ornament to be tightly attached to the wall surface through the first rack, the supporting round block, the second clamping block, the first clamping block and the clamping sleeve to loosen; therefore, the ornament can be tightly mounted on the wall surface, and the fixing device is hidden between the wall body and the ornament, so that the appearance of the ornament mounted on the wall surface is not influenced.

The transmission ratio of the first gear to the second gear is 2:1, and the design purpose is that when the first rack drives the second rack to slide towards the sliding cavity along the second sliding chute through the first gear, the one-way clutch and the second gear, the second rack drives the L-shaped connecting plate to slide for a distance twice that of the first rack, and the tensile length of the tension spring is three times that of the first rack; when a plurality of second limiting blocks simultaneously reach the next limiting groove and enter the corresponding limiting grooves, the hand supports the decoration to move towards the wall surface and return to the initial position; the side end face of the second limiting block interacts with the limiting groove, and the second limiting block and the second rack do not return to the original initial position any more; the first rack drives the first gear to rotate reversely; due to the action of the one-way clutch, the reverse rotation of the first gear cannot drive the second gear to rotate reversely; meanwhile, the tensioning spring pulls the two second clamping blocks to return to the initial positions through the first rack and the supporting round block; at the moment, the tension spring recovers one third of the stretching length, and the stretching length of the tension spring is twice of the sliding distance of the previous first rack; the first clamping block and the second clamping block are used for pulling the first rack to move for a short distance, and the second rack can slide for a distance twice as long as the sliding distance of the first rack; the tension spring continues to be stretched twice as long as the length formed by the first rack each time the first rack returns to the initial position; the pulling force of taut spring is big more, compresses tightly the wall more through first rack, second fixture block, first fixture block and cutting ferrule pulling ornament, and the installation of ornament is more firm.

The hexagonal plate and the unlocking sleeve are designed for the purpose that after the ornament is installed on the wall surface for a long time, the ornament needs to be detached or installed on the wall surface at other places for various reasons; at the moment, a hexagonal plate is screwed reversely by a hexagonal wrench, and the hexagonal plate drives the conical threaded column to screw out the expansion plug; because the hexagonal plate is fixedly connected with the connecting round block and the rotating round block, the rotation of the hexagonal plate cannot drive the positioning column to rotate together; the fixing mechanism, the clamping sleeve mechanism and the ornament are detached from the wall; then, the conical threaded column is pressed by hand to enable the whole fixing mechanism to move into the positioning cavity of the cutting sleeve; separating the second clamping block from the first clamping block and pulling the second clamping block away for a certain distance; pulling the pull ring in the unlocking groove by using a special drag hook; the pull ring drives the unlocking sleeve to move towards the second clamping block along the outer circle surface of the supporting round block through the pull rod; the return spring is compressed; the unlocking sleeve continues to slide and acts on the two second clamping blocks; the second clamping blocks are thin steel sheets and have good toughness, so the two second clamping blocks deform and topple over under the action of the unlocking sleeve; the two second clamping blocks and the two first clamping blocks are free from mutual restriction; meanwhile, the hand acts on the conical threaded column and pulls the fixing mechanism outwards; the first clamping block does not limit the second clamping block any more; the positioning column is pulled to slide out of the positioning cavity; the fixing mechanism is disassembled; when the ornament needs to be installed at other places, the sleeve on the ornament sheet is matched with the same positioning ornament for continuous use.

When the fixing mechanism and the clamping sleeve mechanism are respectively installed on a wall surface and an ornament, a person holds the ornament by hand and approaches the wall surface, the positioning column, the supporting round block, the second clamping block and the unlocking sleeve enter the clamping sleeve together, and the positioning column slides relatively to the positioning cavity of the clamping sleeve along the guide groove; when the two second clamping blocks meet the two first clamping blocks at the same time, the two second clamping blocks simultaneously act on the two first clamping blocks respectively, so that the two first clamping blocks swing around the corresponding positioning pins; the two torsion springs deform and store energy; continuously pushing the ornament to approach the wall surface; the two second clamping blocks continuously act on the two first clamping blocks and cross the two first clamping blocks; the two first clamping blocks swing back to the initial positions under the action of restoring forces of the two torsion springs; then the person holds the adornment with hands to move in the direction far away from the wall surface; so that the fixing mechanism and the clamping sleeve mechanism generate reverse relative movement; the two second clamping blocks move towards the first clamping block in the reverse direction together; the two first clamping blocks and the two second clamping blocks are in opposite encounter and interact with each other; the first limiting block limits the first clamping blocks to swing in opposite directions, so that the two first clamping blocks and the two second clamping blocks are clamped together; the two first clamping blocks drive the first gear to rotate through the two second clamping blocks, the supporting round block and the first rack; the first gear drives the second gear to synchronously rotate through a gear shaft and a one-way clutch; the second gear drives the second rack to slide towards the sliding cavity along the second sliding chute; the plurality of limiting grooves act on the inclined surfaces of the plurality of second limiting blocks at the same time, so that the plurality of second limiting blocks move downwards and limit on the second racks is removed; the second rack drives the L-shaped connecting plate to move in the opposite direction of the first rack; the tension spring is stretched; the transmission ratio of the first gear to the second gear is 2:1, so that the sliding distance of the L-shaped connecting plate driven by the second rack is twice that of the first rack, and the stretching length of the tensioning spring is three times that of the first rack; when a plurality of second limiting blocks simultaneously reach the next limiting groove and enter the corresponding limiting grooves, the hand supports the decoration to move towards the wall surface and return to the initial position; the side end face of the second limiting block interacts with the limiting groove, and the second limiting block and the second rack do not return to the original initial position any more; the first rack drives the first gear to rotate reversely; due to the action of the one-way clutch, the reverse rotation of the first gear cannot drive the second gear to rotate reversely; meanwhile, the tensioning spring pulls the two second clamping blocks to return to the initial positions through the first rack and the supporting round block; at the moment, the tension spring recovers one third of the stretching length, and the stretching length of the tension spring is twice of the sliding distance of the previous first rack; under the action of the tension spring, the second clamping block interacts with the first clamping block; the two second clamping blocks drive the ornament to approach the wall surface and tightly press the wall surface through the two first clamping blocks; after the hand-held decoration is repeatedly pulled and pushed for a plurality of times, the second rack continuously slides on the basis of the previous sliding; the tension spring is continuously elongated on the basis of the previous elongation; the tension is larger and larger, and the tensioning spring pulls the ornament to be tightly attached to the wall surface through the first rack, the supporting round block, the second clamping block, the first clamping block and the clamping sleeve without loosening; the fixing device is hidden between the wall body and the ornament, so that the appearance of the ornament mounted on the wall surface is not influenced; meanwhile, the decoration is more firmly installed on the wall surface and is not easy to loosen.

When the decoration is mounted on the wall surface for a long time, the decoration needs to be detached or mounted on the wall surface at other places for various reasons; at the moment, a hexagonal plate is screwed reversely by a hexagonal wrench, and the hexagonal plate drives the conical threaded column to screw out the expansion plug; because the hexagonal plate is fixedly connected with the connecting round block and the rotating round block, the rotation of the hexagonal plate cannot drive the positioning column to rotate together; the fixing mechanism, the clamping sleeve mechanism and the ornament are detached from the wall; then, the conical threaded column is pressed by hand to enable the whole fixing mechanism to move into the positioning cavity of the cutting sleeve; separating the second clamping block from the first clamping block and pulling the second clamping block away for a certain distance; pulling the pull ring in the unlocking groove by using a special drag hook; the pull ring drives the unlocking sleeve to move towards the second clamping block along the outer circle surface of the supporting round block through the pull rod; the return spring is compressed; the unlocking sleeve continues to slide and acts on the two second clamping blocks; the second clamping blocks are thin steel sheets and have good toughness, so the two second clamping blocks deform and topple over under the action of the unlocking sleeve; the two second clamping blocks and the two first clamping blocks are free from mutual restriction; meanwhile, the hand acts on the conical threaded column and pulls the fixing mechanism outwards; the first clamping block does not limit the second clamping block any more; the positioning column is pulled to slide out of the positioning cavity; the fixing mechanism is disassembled; when the ornament needs to be installed at other places, the sleeve chuck on the ornament sheet is matched with the same positioning ornament for continuous use; after the fixing mechanism and the clamping sleeve mechanism are matched with the ornament, the overall beautiful effect is not influenced; meanwhile, the damage to people caused by the protruding part of the traditional expansion screw is avoided.

Compared with the traditional street lamp, the positioning column and the clamping sleeve are hidden between the wall body and the ornament, so that the attractive effect of the ornament after installation is not influenced; meanwhile, the defect that the protruding part of the traditional expansion screw causes damage to people is avoided; the safety of indoor decoration is ensured as much as possible; the invention has simple structure and better use effect.

Drawings

FIG. 1 is a perspective view of the wall, the fixing mechanism, the expansion plug, the ferrule mechanism and the decoration.

FIG. 2 is a schematic cross-sectional view of the wall, the fixing device, the expansion plug, the ferrule mechanism and the decoration.

Fig. 3 is a schematic view of a wall.

Fig. 4 is a schematic view of an ornament.

Fig. 5 is a perspective schematic view of the fixing mechanism, the expansion plug and the ferrule mechanism.

Fig. 6 is a schematic cross-sectional view of the fixing mechanism, the expansion plug and the ferrule mechanism.

FIG. 7 is a partial cross-sectional view of the securing mechanism, the expansion plug, and the ferrule mechanism in cooperation.

Fig. 8 is a schematic perspective view of a locating post.

FIG. 9 is a perspective view of the positioning post and the conductive strip.

FIG. 10 is a schematic cross-sectional perspective view of the inner sliding cavity, the gear cavity and the first sliding groove of the positioning post.

FIG. 11 is a schematic cross-sectional view of the inner sliding cavity, the gear cavity and the second sliding slot of the positioning pillar.

Figure 12 is a schematic perspective view of a ferrule.

Figure 13 is a schematic cross-sectional view of a ferrule.

Fig. 14 is a schematic cross-sectional view illustrating the first stopper, the first locking block, and the torsion spring.

FIG. 15 is a schematic view of the internal gearing of the securing mechanism.

FIG. 16 is a cross-sectional schematic view of the internal gearing of the securing mechanism.

Figure 17 is a schematic cross-sectional view of a tapered threaded post.

Figure 18 is a hexagonal plate schematic.

Figure 19 is a schematic view of a connecting dome.

FIG. 20 is a schematic view of a spinning disk.

Fig. 21 is a cross-sectional view of the first rack, the first gear, the support round block, and the unlocking sleeve.

Fig. 22 is a schematic view of an L-shaped connecting plate.

Fig. 23 is a schematic perspective view of a second rack.

Fig. 24 is a cross-sectional view of the second rack and the second gear.

Fig. 25 is a schematic perspective view of a first rack.

Figure 26 is a schematic view of a support puck.

Fig. 27 is a schematic view of an unlocking sleeve.

Fig. 28 is a schematic partial cross-sectional view of the first stopper, the second rack, and the positioning post.

Number designation in the figures: 1. a wall body; 2. expanding and plugging the hole; 3. an ornament; 4. a clamping sleeve hole; 5. a fixing mechanism; 6. expanding and plugging; 7. a tapered threaded post; 8. a ring pulling groove; 9. a first slide hole; 10. a hexagonal plate; 11. a second slide hole; 12. connecting the round blocks; 13. a third slide hole; 14. rotating the round block; 15. a fourth slide hole; 16. a positioning column; 17. a movable circular groove; 18. a connecting circular groove; 19. a sliding cavity; 20. a gear cavity; 21. a first chute; 22. a fifth slide hole; 23. a second chute; 24. a limiting groove; 25. conducting bars; 26. supporting the round block; 27. an eighth slide hole; 28. a second fixture block; 29. unlocking the sleeve; 30. unlocking the circular groove; 31. a return spring; 32. a card sleeve; 33. a positioning cavity; 34. a guide groove; 35. a card slot; 36. a first stopper; 37. a first clamping block; 38. positioning pins; 39. a torsion spring; 40. a pull rod; 41. a pull ring; 42. a first rack; 43. a seventh slide hole; 44. tensioning the spring; 45. an L-shaped connecting plate; 46. a sixth slide hole; 47. a second rack; 48. positioning a groove; 49. a second limiting block; 50. a limiting spring; 51. a second gear; 52. a one-way clutch; 53. a gear shaft; 54. a first gear; 55. a ferrule mechanism.

Detailed Description

As shown in fig. 1 and 2, the wall-mounted type decorative wall comprises a wall body 1, an expansion plug hole 2, an ornament 3, a clamping sleeve hole 4, a fixing mechanism 5, an expansion plug 6 and a clamping sleeve mechanism 55, wherein as shown in fig. 3, the expansion plug hole 2 is formed in the wall surface of the wall body 1; as shown in fig. 2, the expander plug 6 is mounted in the expander hole 2; the fixing mechanism 5 is arranged on the wall surface through the matching with the expansion plug 6; as shown in fig. 4, a retainer hole 4 is formed on the side end surface of the ornament 3; as shown in fig. 2, the ferrule mechanism 55 is mounted on the side end face of the ornament 3 by fitting with the ferrule hole 4; the ornament 3 is mounted on the wall surface of the wall body 1 through the matching of the fixing mechanism 5 and the clamping sleeve mechanism 55.

As shown in fig. 5 and 6, the fixing mechanism includes a tapered threaded column 7, a pull ring groove 8, a first slide hole 9, a hexagonal plate 10, a second slide hole 11, a connecting round block 12, a third slide hole 13, a rotating round block 14, a fourth slide hole 15, a positioning column 16, a movable round groove 17, a connecting round groove 18, a slide cavity 19, a gear cavity 20, a first slide groove 21, a fifth slide hole 22, a second slide groove 23, a limit groove 24, a guide bar 25, and a support round block 26, the locking device comprises an eighth sliding hole 27, a second fixture block 28, an unlocking sleeve 29, an unlocking circular groove 30, a return spring 31, a pull rod 40, a pull ring 41, a first rack 42, a seventh sliding hole 43, a tension spring 44, an L-shaped connecting plate 45, a sixth sliding hole 46, a second rack 47, a positioning groove 48, a second limiting block 49, a limiting spring 50, a second gear 51, a one-way clutch 52, a gear shaft 53 and a first gear 54, wherein as shown in fig. 8, the positioning column 16 is cylindrical; as shown in fig. 9, one end of the positioning post 16 is provided with a movable circular groove 17; as shown in fig. 10, a connecting circular groove 18 is formed in the center of the end surface of one end of the positioning column 16, where the movable circular groove 17 is formed, and the connecting circular groove 18 is communicated with the movable circular groove 17; a sliding cavity 19 and a gear cavity 20 are sequentially formed in the positioning column 16 along the length direction of the positioning column, and the sliding cavity 19 is close to the movable circular groove 17; as shown in fig. 11, a second sliding groove 23 is formed on the upper end surface of the inner wall of the gear cavity 20, and the second sliding groove 23 is communicated with the sliding cavity 19; the upper end surface of the inner wall of the second chute 23 is tangent to the upper end surface of the inner wall of the sliding cavity 19; a plurality of limiting grooves 24 are uniformly formed in the upper end surface of the inner wall of the second sliding groove 23 along the length direction of the second sliding groove; as shown in fig. 8 and 10, a first sliding groove 21 is formed on the end surface of the positioning column 16, which is not provided with the connecting circular groove 18, and the first sliding groove 21 passes through the gear cavity 20 and is communicated with the sliding cavity 19; as shown in fig. 10, a fifth slide hole 22 is formed in the center of the end surface of the movable circular groove 17, and the fifth slide hole 22 is communicated with the movable circular groove 17; the fifth slide hole 22 is opposite to the first slide groove 21; as shown in fig. 20, a through fourth slide hole 15 is formed between both end surfaces of the rotary round block 14; as shown in fig. 6, the rotary round block 14 is installed in the movable round slot 17; as shown in fig. 19, a third through-hole 13 is formed between both end faces of the connecting round block 12; as shown in fig. 6, one end of the connecting round block 12 is inserted into the connecting round slot 18 and fixedly connected with the rotating round block 14; the third slide hole 13 is butted with the fourth slide hole 15; as shown in fig. 18, a second sliding hole 11 is formed between both end faces of the hexagonal plate 10; as shown in fig. 6, the hexagonal plate 10 is fixedly connected to the end face of the connecting round block 12 through one end face thereof; the second slide hole 11 is butted with the third slide hole 13; as shown in fig. 17, the tapered threaded column 7 has tapered threads on its outer circumferential surface; a pull ring groove 8 is formed in the center of the small-radius end face of the conical threaded column 7; a first through sliding hole 9 is formed in the center of the end face of the pull ring groove 8; as shown in fig. 6, the conical threaded column 7 is fixedly connected with the hexagonal plate 10 through the large-radius end surface thereof; the first slide hole 9 is butted with the second slide hole 11; as shown in fig. 8, two conducting bars 25 are installed on the outer circumferential surface of the positioning column 16, and the two conducting bars 25 are uniformly distributed along the circumferential direction of the outer circumferential surface of the positioning column 16; two guide strips 25 are parallel to the central axis of positioning post 16.

As shown in fig. 6, 7, 16, the one-way clutch 52 and the first gear 54 are mounted in the gear chamber 20 via the gear shaft 53; the gear shaft 53 is matched with the inner wall of the gear cavity 20 through a bearing; as shown in fig. 7, the one-way clutch 52 is located below the second chute 23; as shown in fig. 6, the first gear 54 is located above the first chute 21; as shown in fig. 24, the second gear 51 is nested with its inner circular surface on the outer circular surface of the one-way clutch 52; as shown in fig. 23, the upper end surface of the second rack 47 is provided with a plurality of positioning grooves 48 along the length direction; as shown in fig. 28, the upper end of the second stopper 49 has an inclined surface; the second limit blocks 49 are respectively inserted into the positioning grooves 48 through the lower ends thereof; the limiting springs 50 are respectively positioned in the limiting grooves 24; one end of each limiting spring 50 is connected with the inner wall of the corresponding limiting groove 24, and the other end of each limiting spring is connected with the end face of the corresponding limiting block; as shown in fig. 6, the second rack 47 is installed in the second chute 23 with one end thereof entering the slide chamber 19; as shown in fig. 7, the plurality of limiting blocks installed in the plurality of positioning grooves 48 are matched with the plurality of limiting grooves 24; the second rack 47 is engaged with the second gear 51; as shown in fig. 22, one end of the L-shaped connecting plate 45 is provided with a sixth slide hole 46; as shown in fig. 7 and 15, the L-shaped connecting plate 45 is located in the sliding cavity 19, and one end of the L-shaped connecting plate 45, which is not provided with the sixth sliding hole 46, is fixedly connected with the second rack 47; the sixth slide hole 46 is opposed to both the fifth slide hole 22 and the first slide groove 21.

As shown in fig. 25, a seventh slide hole 43 is formed between both end surfaces of the first rack 42; as shown in fig. 6, the first rack 42 is inserted into the first sliding groove 21 from the end surface of the positioning column 16, on which the first sliding groove 21 is formed, through one end thereof and passes through the gear cavity 20; the first rack 42 is meshed with the first gear 54; as shown in fig. 6 and 25, one end of the first rack 42 located in the first sliding chute 21 is connected with an L-shaped connecting plate 45 through a tension spring 44; one end of the tension spring 44 is connected with the end face of the first rack 42, and the other end is connected with the L-shaped connecting plate 45; the seventh slide hole 43 is opposed to the sixth slide hole 46; as shown in fig. 26, a through eighth slide hole 27 is formed between both end surfaces of the support round block 26; as shown in fig. 15, the supporting round block 26 is fixedly connected with the first rack 42 through one end surface thereof, and the eighth sliding hole 27 is butted with the seventh sliding hole 43; as shown in fig. 6 and 16, two second stoppers 28 are symmetrically installed on the outer circumferential surface of the supporting circular block 26 through respective one ends, and the two second stoppers 28 are inclined toward the positioning post 16 at a certain angle; as shown in fig. 27, an unlocking circular groove 30 is formed in the center of one end surface of the unlocking sleeve 29; as shown in fig. 21, the unlocking sleeve 29 is nested on the supporting circular block 26 by the sliding fit of the unlocking circular groove 30 and the outer circular surface of the supporting circular block 26; the return spring 31 is positioned in the unlocking circular groove 30; one end of a return spring 31 is connected with the end face of the supporting round block 26, and the other end is connected with the inner wall of the unlocking round groove 30; as shown in fig. 2 and 16, a pull ring 41 is mounted at one end of the pull rod 40; one end of the pull rod 40, which is not connected with the pull ring 41, sequentially passes through the first sliding hole 9, the second sliding hole 11, the third sliding hole 13, the fourth sliding hole 15, the fifth sliding hole 22, the sixth sliding hole 46, the seventh sliding hole 43 and the eighth sliding hole 27 to be fixedly connected with the inner wall of the unlocking circular groove 30; the pull ring 41 is located in the unlocking circular groove 30; as shown in fig. 2, the tapered threaded post 7 is engaged with the expansion plug 6; the hexagonal plate 10 is in contact with the wall surface; positioning post 16 mates with ferrule mechanism 55; the guide strip 25 is matched with the clamping sleeve mechanism 55; the second clamping block 28 is matched with the clamping sleeve mechanism 55; the unlocking sleeve 29 is engaged with the second latch 28.

As shown in fig. 2 and 6, the ferrule mechanism 55 includes a ferrule 32, a positioning cavity 33, a guide groove 34, a locking groove 35, a first stopper 36, a first locking block 37, a positioning pin 38, and a torsion spring 39, wherein as shown in fig. 12, the ferrule 32 is cylindrical; as shown in fig. 13, a cylindrical positioning cavity 33 is opened in the ferrule 32, and the positioning cavity 33 communicates with one end surface of the ferrule 32; two guide grooves 34 are uniformly formed in the inner circumferential surface of the positioning cavity 33 in the circumferential direction, and the two guide grooves 34 are parallel to the central axis of the cutting sleeve 32; two clamping grooves 35 are circumferentially and uniformly formed in the inner circular surface of the positioning cavity 33; as shown in fig. 6, the two first stoppers 37 are symmetrically installed in the two slots 35 through the positioning pins 38, and one end of each of the two first stoppers 37, which is exposed out of the corresponding slot 35, is inclined toward the end surface of the positioning cavity 33; as shown in fig. 14, a first stopper 36 is mounted on an upper end of each first latch 37; the upper end surface of the first limiting block 36 is matched with the upper end surface of the corresponding clamping groove 35; the two torsion springs 39 are respectively nested on the two positioning pins 38, one end of each torsion spring 39 is connected with the inner wall of the clamping groove 35, and the other end of each torsion spring 39 is connected with the side end face of the first clamping block 37; as shown in fig. 2, the ferrule 32 is inserted into the ferrule hole 4 through its outer circumferential surface; the cutting sleeve 32 is nested on the outer circular surface of the positioning column 16 through the inner circular surface; first latch 37 mates with second latch 28.

As shown in fig. 6, the inclination angle of the first latch 37 is equal to the inclination angle of the second latch 28.

As shown in fig. 7, the return spring 31 is a compression spring.

As shown in fig. 21, the tension spring 44 is compressible and stretchable.

As shown in fig. 21, the gear ratio of the first gear 54 to the second gear 51 is 2: 1.

As shown in fig. 14 and 21, the spring constant of the torsion spring 39 is smaller than that of the tension spring 44.

As shown in fig. 14, the second latch 28 is a thin steel plate, and the second latch 28 has a certain flexibility.

The first limiting block 36, the second limiting block 49, the first clamping block 37 and the second clamping block 28 are designed in such a way that after the fixing mechanism 5 and the sleeve chuck mechanism 55 are respectively installed on a wall surface and an ornament 3, a person holds the ornament 3 by hand and approaches to the wall surface, the positioning column 16 together with the supporting round block 26, the second clamping block 28 and the unlocking sleeve 29 enter the sleeve chuck 32, and the positioning column 16 slides relatively to the positioning cavity 33 of the sleeve chuck 32 along the guide groove 34; after the two second latch blocks 28 meet the two first latch blocks 37 at the same time, the two second latch blocks 28 act on the two first latch blocks 37 at the same time, so that the two first latch blocks 37 swing around the corresponding positioning pins 38; the two torsion springs 39 deform and store energy; continuously pushing the ornament 3 to approach the wall surface; the two second latches 28 continue to act on the two first latches 37 and cross over the two first latches 37; the two first clamping blocks 37 swing back to the initial positions under the restoring force of the two torsion springs 39; then the person holds the adornment 3 with hands to move in the direction far away from the wall surface; so that the fixing mechanism 5 and the ferrule mechanism 55 perform opposite relative movements; the two second catches 28 move together in the opposite directions toward the first catch 37; the two first latch blocks 37 and the two second latch blocks 28 meet in opposite directions and interact with each other; since the first stopper 37 is limited by the first limit block 36 to swing in the opposite direction, the two first stoppers 37 and the two second stoppers 28 are clamped together; the two first fixture blocks 37 drive the first gear 54 to rotate through the two second fixture blocks 28, the supporting round block 26 and the first rack 42; the first gear 54 drives the second gear 51 to synchronously rotate through the gear shaft 53 and the one-way clutch 52; the second gear 51 drives the second rack 47 to slide along the second sliding chute 23 towards the sliding cavity 19; the plurality of limiting grooves 24 act on the inclined surfaces of the plurality of second limiting blocks 49 at the same time, so that the plurality of second limiting blocks 49 move downwards and limit on the second rack 47 is released; the second rack 47 drives the L-shaped connecting plate 45 and the first rack 42 to move in opposite directions; the tension spring 44 is stretched; since the transmission ratio of the first gear 54 to the second gear 51 is 2:1, the second rack 47 drives the L-shaped connecting plate 45 to slide twice as far as the first rack 42, and the tension spring 44 stretches three times as long as the first rack 42; when the second limit blocks 49 reach the next limit groove 24 and enter the corresponding limit groove 24 at the same time, the hand supports the decoration 3 to move towards the wall surface and return to the initial position; the side end face of the second stopper 49 interacts with the stopper groove 24, and the second stopper 49 together with the second rack 47 does not return to the original initial position; the first rack 42 drives the first gear 54 to rotate reversely; the reverse rotation of the first gear 54 does not cause the reverse rotation of the second gear 51 due to the one-way clutch 52; at the same time, the tension spring 44 pulls the two second latch blocks 28 back to the initial position through the first rack 42 and the support round block 26; at this time, the tension spring 44 is restored to the one-third stretched length, which is twice the sliding distance of the first rack 42 before the tension spring 44; under the tension of tensioning spring 44, second catch 28 interacts with first catch 37; two second clamping blocks 28 drive ornament 3 to approach to the wall surface and tightly press the wall surface through two first clamping blocks 37; after the hand-held decoration 3 is repeatedly pulled and pushed for a plurality of times, the second rack 47 continuously slides on the basis of the previous sliding; the tension spring 44 is continuously elongated on the basis of the previous elongation; the pulling force is increased, and the tensioning spring 44 pulls the ornament 3 to be tightly attached to the wall surface through the first rack 42, the supporting round block 26, the second fixture block 28, the first fixture block 37 and the clamping sleeve 32 without loosening; thus, the ornament 3 is tightly mounted on the wall surface, and the fixing device is hidden between the wall body 1 and the ornament 3, so that the appearance of the ornament 3 mounted on the wall surface is not influenced.

The transmission ratio of the first gear 54 to the second gear 51 is 2:1, and the purpose of the design is that when the first rack 42 drives the second rack 47 to slide along the second sliding chute 23 towards the sliding cavity 19 through the first gear 54, the one-way clutch 52 and the second gear 51, the distance that the second rack 47 drives the L-shaped connecting plate 45 to slide is twice of the sliding distance of the first rack 42, and the length of the tension spring 44 is three times of the sliding distance of the first rack 42; when the second limit blocks 49 reach the next limit groove 24 and enter the corresponding limit groove 24 at the same time, the hand supports the decoration 3 to move towards the wall surface and return to the initial position; the side end face of the second stopper 49 interacts with the stopper groove 24, and the second stopper 49 together with the second rack 47 does not return to the original initial position; the first rack 42 drives the first gear 54 to rotate reversely; the reverse rotation of the first gear 54 does not cause the reverse rotation of the second gear 51 due to the one-way clutch 52; at the same time, the tension spring 44 pulls the two second latch blocks 28 back to the initial position through the first rack 42 and the support round block 26; at this time, the tension spring 44 is restored to the one-third stretched length, which is twice the sliding distance of the first rack 42 before the tension spring 44; ensuring that second rack 47 slides twice as long as first rack 42 when first rack 42 is pulled by first latch 37 and second latch 28 for a short distance; the tension spring 44 continues to be stretched twice as long as the length formed by the first rack gear 42 each time the first rack gear 42 returns to the initial position; the greater the tension of tensioning spring 44, the more tightly ornament 3 is pulled against the wall surface by first rack 42, second latch 28, first latch 37 and ferrule 32, and ornament 3 is more securely mounted.

The hexagonal plate 10 and the unlocking sleeve 29 of the present invention are designed so that the decoration 3 needs to be detached or mounted to a wall surface at another place for various reasons after being mounted on the wall surface for a long time; at the moment, a hexagonal plate 10 is screwed by a hexagonal wrench in the reverse direction, and the hexagonal plate 10 drives the conical threaded column 7 to be screwed out of the expansion plug 6; since the hexagonal plate 10 is fixedly connected with the connecting round block 12 and the rotating round block 14, the rotation of the hexagonal plate 10 does not drive the positioning column 16 to rotate together; the fixing mechanism 5 together with the ferrule mechanism 55 and the ornament 3 are detached from the wall 1; then, the conical threaded column 7 is pressed by hand to enable the whole fixing mechanism 5 to move into the positioning cavity 33 of the cutting sleeve 32; separating and pulling apart second latch 28 and first latch 37 by a distance; pulling the pull ring 41 in the unlocking groove by using a special drag hook; the pull ring 41 drives the unlocking sleeve 29 to move towards the second fixture block 28 along the outer circle surface of the supporting round block 26 through the pull rod 40; the return spring 31 is compressed; the unlocking sleeve 29 continues to slide and acts on the two second catches 28; the second fixture block 28 is made of thin steel sheet and has good toughness, so that the two second fixture blocks 28 deform and tilt under the action of the unlocking sleeve 29; the two second latches 28 and the two first latches 37 are released from the relationship of mutual restriction; at the same time, the fixing means 5 are pulled outwards by hand acting on the tapered threaded post 7; first latch 37 no longer provides a restriction to second latch 28; positioning post 16 is pulled to slide out of positioning cavity 33; the fixing mechanism 5 is detached; when the ornament 3 needs to be installed at other places, the sleeve 32 on the ornament sheet is matched with the same positioning ornament for continuous use.

The specific implementation mode is as follows: after the fixing mechanism 5 and the ferrule mechanism 55 are respectively installed on the wall surface and the ornament 3, a person holds the ornament 3 by hand and approaches to the wall surface, the positioning column 16, the supporting round block 26, the second clamping block 28 and the unlocking sleeve 29 enter the ferrule 32 together, and the positioning column 16 slides relatively to the positioning cavity 33 of the ferrule 32 along the guide groove 34; after the two second latch blocks 28 meet the two first latch blocks 37 at the same time, the two second latch blocks 28 act on the two first latch blocks 37 at the same time, so that the two first latch blocks 37 swing around the corresponding positioning pins 38; the two torsion springs 39 deform and store energy; continuously pushing the ornament 3 to approach the wall surface; the two second latches 28 continue to act on the two first latches 37 and cross over the two first latches 37; the two first clamping blocks 37 swing back to the initial positions under the restoring force of the two torsion springs 39; then the person holds the adornment 3 with hands to move in the direction far away from the wall surface; so that the fixing mechanism 5 and the ferrule mechanism 55 perform opposite relative movements; the two second catches 28 move together in the opposite directions toward the first catch 37; the two first latch blocks 37 and the two second latch blocks 28 meet in opposite directions and interact with each other; since the first stopper 37 is limited by the first limit block 36 to swing in the opposite direction, the two first stoppers 37 and the two second stoppers 28 are clamped together; the two first fixture blocks 37 drive the first gear 54 to rotate through the two second fixture blocks 28, the supporting round block 26 and the first rack 42; the first gear 54 drives the second gear 51 to synchronously rotate through the gear shaft 53 and the one-way clutch 52; the second gear 51 drives the second rack 47 to slide along the second sliding chute 23 towards the sliding cavity 19; the plurality of limiting grooves 24 act on the inclined surfaces of the plurality of second limiting blocks 49 at the same time, so that the plurality of second limiting blocks 49 move downwards and limit on the second rack 47 is released; the second rack 47 drives the L-shaped connecting plate 45 and the first rack 42 to move in opposite directions; the tension spring 44 is stretched; since the transmission ratio of the first gear 54 to the second gear 51 is 2:1, the second rack 47 drives the L-shaped connecting plate 45 to slide twice as far as the first rack 42, and the tension spring 44 stretches three times as long as the first rack 42; when the second limit blocks 49 reach the next limit groove 24 and enter the corresponding limit groove 24 at the same time, the hand supports the decoration 3 to move towards the wall surface and return to the initial position; the side end face of the second stopper 49 interacts with the stopper groove 24, and the second stopper 49 together with the second rack 47 does not return to the original initial position; the first rack 42 drives the first gear 54 to rotate reversely; the reverse rotation of the first gear 54 does not cause the reverse rotation of the second gear 51 due to the one-way clutch 52; at the same time, the tension spring 44 pulls the two second latch blocks 28 back to the initial position through the first rack 42 and the support round block 26; at this time, the tension spring 44 is restored to the one-third stretched length, which is twice the sliding distance of the first rack 42 before the tension spring 44; under the tension of tensioning spring 44, second catch 28 interacts with first catch 37; two second clamping blocks 28 drive ornament 3 to approach to the wall surface and tightly press the wall surface through two first clamping blocks 37; after the hand-held decoration 3 is repeatedly pulled and pushed for a plurality of times, the second rack 47 continuously slides on the basis of the previous sliding; the tension spring 44 is continuously elongated on the basis of the previous elongation; the tension force is increased, and the tension spring 44 pulls the ornament 3 to be tightly attached to the wall surface through the first rack 42, the supporting round block 26, the second fixture block 28, the first fixture block 37 and the clamping sleeve 32 to be loosened; therefore, the ornament 3 is tightly installed on the wall surface, and the fixing device is hidden between the wall body 1 and the ornament 3, so that the appearance of the ornament 3 installed on the wall surface is not influenced; meanwhile, the decoration 3 is more firmly installed on the wall surface and is not easy to loosen.

When the decoration 3 is mounted on the wall surface for a long time, it needs to be detached or mounted on the wall surface at other places for various reasons; at the moment, a hexagonal plate 10 is screwed by a hexagonal wrench in the reverse direction, and the hexagonal plate 10 drives the conical threaded column 7 to be screwed out of the expansion plug 6; since the hexagonal plate 10 is fixedly connected with the connecting round block 12 and the rotating round block 14, the rotation of the hexagonal plate 10 does not drive the positioning column 16 to rotate together; the fixing mechanism 5 together with the ferrule mechanism 55 and the ornament 3 are detached from the wall 1; then, the conical threaded column 7 is pressed by hand to enable the whole fixing mechanism 5 to move into the positioning cavity 33 of the cutting sleeve 32; separating and pulling apart second latch 28 and first latch 37 by a distance; pulling the pull ring 41 in the unlocking groove by using a special drag hook; the pull ring 41 drives the unlocking sleeve 29 to move towards the second fixture block 28 along the outer circle surface of the supporting round block 26 through the pull rod 40; the return spring 31 is compressed; the unlocking sleeve 29 continues to slide and acts on the two second catches 28; the second fixture block 28 is made of thin steel sheet and has good toughness, so that the two second fixture blocks 28 deform and tilt under the action of the unlocking sleeve 29; the two second latches 28 and the two first latches 37 are released from the relationship of mutual restriction; at the same time, the fixing means 5 are pulled outwards by hand acting on the tapered threaded post 7; first latch 37 no longer provides a restriction to second latch 28; positioning post 16 is pulled to slide out of positioning cavity 33; the fixing mechanism 5 is detached; when the ornament 3 needs to be installed at other places, the sleeve 32 on the ornament sheet is matched with the same positioning ornament for continuous use; after the ornament 3 matched with the fixing mechanism and the clamping sleeve mechanism 55 is installed, the integral attractive effect is not influenced; meanwhile, the damage to people caused by the protruding part of the traditional expansion screw is avoided.

In conclusion, the invention has the beneficial effects that: the positioning column 16 and the clamping sleeve 32 are hidden between the wall body 1 and the ornament 3, so that the aesthetic effect of the ornament 3 after being installed is not influenced; meanwhile, the defect that the protruding part of the traditional expansion screw causes damage to people is avoided; the safety of the interior decoration is ensured as much as possible.

Claims

1. A can dismantle fixed equipment for building interior decoration which characterized in that: the wall comprises a wall body, expansion plug holes, ornaments, a clamping sleeve hole, a fixing mechanism, an expansion plug and a clamping sleeve mechanism, wherein the expansion plug holes are formed in the wall surface of the wall body; the expansion plug is arranged in the expansion plug hole; the fixing mechanism is arranged on the wall surface through the matching with the expansion plug; the side end face of the ornament is provided with a clamping sleeve hole; the clamping sleeve mechanism is arranged on the side end face of the ornament through the matching with the clamping sleeve hole; the ornament is arranged on the wall surface of the wall body through the matching of the fixing mechanism and the clamping sleeve mechanism;

the fixing mechanism comprises a conical threaded column, a ring pulling groove, a first sliding hole, a hexagonal plate, a second sliding hole, a connecting round block, a third sliding hole, a rotating round block, a fourth sliding hole, a positioning column, a movable round groove, a connecting round groove, a sliding cavity, a gear cavity, a first sliding groove, a fifth sliding hole, a second sliding groove, a limiting groove, a guide strip, a supporting round block, an eighth sliding hole, a second clamping block, an unlocking sleeve, an unlocking round groove, a reset spring, a pull rod, a pull ring, a first rack, a seventh sliding hole, a tensioning spring, an L-shaped connecting plate, a sixth sliding hole, a second rack, a positioning groove, a second limiting block, a limiting spring, a second gear, a one-way clutch, a gear shaft and a first gear, wherein the positioning column is cylindrical; one end of the positioning column is provided with a movable circular groove; a connecting circular groove is formed in the center of the upper end face of one end, provided with the movable circular groove, of the positioning column, and the connecting circular groove is communicated with the movable circular groove; a sliding cavity and a gear cavity are sequentially formed in the positioning column along the length direction of the positioning column, and the sliding cavity is close to the movable circular groove; a second sliding chute is formed in the upper end face of the inner wall of the gear cavity and communicated with the sliding cavity; the upper end surface of the inner wall of the second sliding chute is tangent to the upper end surface of the inner wall of the sliding cavity; a plurality of limiting grooves are uniformly formed in the upper end surface of the inner wall of the second sliding groove along the length direction of the second sliding groove; a first sliding groove is formed in the end face, which is not provided with the connecting circular groove, of the positioning column, and penetrates through the gear cavity and is communicated with the sliding cavity; a fifth sliding hole is formed in the center of the end face of the movable circular groove and communicated with the movable circular groove; the fifth sliding hole is opposite to the first sliding groove; a through fourth sliding hole is formed between the two end faces of the rotary round block; the rotary round block is arranged in the movable round groove; a through third sliding hole is formed between the two end faces of the connecting round block; one end of the connecting round block is inserted into the connecting round slot and is fixedly connected with the rotating round block; the third sliding hole is in butt joint with the fourth sliding hole; a through second sliding hole is formed between the two end surfaces of the hexagonal plate; the hexagonal plate is fixedly connected with the end surface of the connecting round block through one end surface of the hexagonal plate; the second sliding hole is in butt joint with the third sliding hole; the outer circular surface of the conical threaded column is provided with conical threads; a pull ring groove is formed in the center of the small-radius end face of the conical threaded column; a first through sliding hole is formed in the center of the end face of the pull ring groove; the conical threaded column is fixedly connected with the hexagonal plate through the large-radius end surface of the conical threaded column; the first sliding hole is in butt joint with the second sliding hole; the two guide strips are arranged on the outer circular surface of the positioning column and are uniformly distributed along the circumferential direction of the outer circular surface of the positioning column; the two guide strips are parallel to the central axis of the positioning column;

the one-way clutch and the first gear are arranged in the gear cavity through a gear shaft; the gear shaft is matched with the inner wall of the gear cavity through a bearing; the one-way clutch is positioned below the second chute; the first gear is positioned above the first sliding chute; the second gear is nested on the outer circular surface of the one-way clutch through the inner circular surface of the second gear; the upper end surface of the second rack is provided with a plurality of positioning grooves along the length direction; the upper end of the second limiting block is provided with an inclined plane; the second limiting blocks are respectively inserted into the positioning grooves through the lower ends of the second limiting blocks; the limiting springs are respectively positioned in the limiting grooves; one end of each limiting spring is connected with the inner wall of the corresponding limiting groove, and the other end of each limiting spring is connected with the end face of the corresponding limiting block; the second rack is arranged in the second sliding chute, and one end of the second rack enters the sliding cavity; a plurality of limiting blocks arranged in a plurality of positioning grooves are matched with a plurality of limiting grooves; the second rack is meshed with the second gear; one end of the L-shaped connecting plate is provided with a sixth sliding hole; the L-shaped connecting plate is positioned in the sliding cavity, and one end of the L-shaped connecting plate, which is not provided with the sixth sliding hole, is fixedly connected with the second rack; the sixth sliding hole is simultaneously opposite to the fifth sliding hole and the first sliding groove;

a through seventh sliding hole is formed between the two end surfaces of the first rack; the first rack is inserted into the first sliding groove from the end face of the positioning column with the first sliding groove through one end of the first rack and penetrates through the gear cavity; the first rack is meshed with the first gear; one end of the first rack positioned in the first sliding chute is connected with the L-shaped connecting plate through a tension spring; one end of the tensioning spring is connected with the end face of the first rack, and the other end of the tensioning spring is connected with the L-shaped connecting plate; the seventh slide hole is opposite to the sixth slide hole; a through eighth sliding hole is formed between the two end faces of the supporting round block; the supporting round block is fixedly connected with the first rack through one end face of the supporting round block, and the eighth sliding hole is in butt joint with the seventh sliding hole; the two second clamping blocks are symmetrically arranged on the outer circular surface of the supporting round block through respective one ends, and the two second clamping blocks are inclined towards the positioning column at a certain angle; an unlocking circular groove is formed in the center of one end face of the unlocking sleeve; the unlocking sleeve is nested on the supporting round block through the sliding fit of the unlocking round groove and the outer circular surface of the supporting round block; the reset spring is positioned in the unlocking circular groove; one end of the reset spring is connected with the end face of the supporting round block, and the other end of the reset spring is connected with the inner wall of the unlocking round groove; one end of the pull rod is provided with a pull ring; one end of the pull rod, which is not connected with the pull ring, sequentially passes through the first sliding hole, the second sliding hole, the third sliding hole, the fourth sliding hole, the fifth sliding hole, the sixth sliding hole, the seventh sliding hole and the eighth sliding hole to be fixedly connected with the inner wall of the unlocking circular groove; the pull ring is positioned in the unlocking circular groove; the conical threaded column is matched with the expansion plug; the hexagonal plate is in contact with the wall surface; the positioning column is matched with the clamping sleeve mechanism; the guide bar is matched with the clamping sleeve mechanism; the second clamping block is matched with the clamping sleeve mechanism; the unlocking sleeve is matched with the second clamping block;

the clamping sleeve mechanism comprises a clamping sleeve, a positioning cavity, a guide groove, a clamping groove, a first limiting block, a first clamping block, a positioning pin and a torsion spring, wherein the clamping sleeve is cylindrical; a cylindrical positioning cavity is formed in the cutting sleeve and is communicated with one end face of the cutting sleeve; two guide grooves are uniformly formed in the inner circular surface of the positioning cavity in the circumferential direction and are parallel to the central axis of the clamping sleeve; two clamping grooves are circumferentially and uniformly formed in the inner circular surface of the positioning cavity; the two first clamping blocks are symmetrically arranged in the two clamping grooves respectively through the positioning pins, and one ends of the two first clamping blocks, which are exposed out of the corresponding clamping grooves, are inclined towards the end face of the positioning cavity; the upper end of each first clamping block is provided with a first limiting block; the upper end surface of the first limiting block is matched with the upper end surface of the corresponding clamping groove; the two torsion springs are respectively nested on the two locating pins, one end of each torsion spring is connected with the inner wall of the clamping groove, and the other end of each torsion spring is connected with the side end face of the first clamping block; the clamping sleeve is embedded into the clamping sleeve hole through the outer circular surface of the clamping sleeve; the clamping sleeve is nested on the outer circular surface of the positioning column through the inner circular surface of the clamping sleeve; the first clamping block is matched with the second clamping block;

the transmission ratio of the first gear to the second gear is 2: 1;

the second clamping block is a thin steel sheet and has certain toughness.

2. A removable fixture for architectural upholstery, as claimed in claim 1, wherein: the inclination angle of the first fixture block is equal to that of the second fixture block.

3. A removable fixture for architectural upholstery, as claimed in claim 1, wherein: the return spring is a compression spring.

4. A removable fixture for architectural upholstery, as claimed in claim 1, wherein: the tension spring is an extension spring.

5. A removable fixture for architectural upholstery, as claimed in claim 1, wherein: the elastic coefficient of the torsion spring is smaller than that of the tension spring.