CN210530237U

CN210530237U - Wallboard mounting structure

Info

Publication number: CN210530237U
Application number: CN201920857248.8U
Authority: CN
Inventors: 廖合堂; 罗伟坚
Original assignee: Foshan Jinfort Board Co ltd
Current assignee: Foshan Jinfort Board Co ltd
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-05-15
Anticipated expiration: 2029-06-06

Abstract

The utility model relates to a wallboard mounting structure, which is characterized by comprising a wall surface, a left positioning strip, a right positioning strip, a wood board, a left elastic positioning component, a right elastic positioning component, a left screw and a right screw, wherein the left positioning strip is provided with a left embedding groove, a left limiting groove and a left perforation; the right positioning strip is provided with a right embedding groove, a right limiting groove and a right through hole; the wood board is provided with a left inserting strip, a right inserting strip and an operation hole; the left elastic positioning component can be transversely and movably embedded in the left limiting groove; the right elastic positioning component can be transversely and movably embedded in the right limiting groove; the left positioning strip and the right positioning strip are arranged on the wall surface in a left-right side-by-side mode and are fixed through a left screw and a right screw respectively, the left insertion strip is inserted into the left insertion groove, the left jacking strip is tightly pressed on the left insertion strip, the right insertion strip is inserted into the right insertion groove, and the right jacking strip is tightly pressed on the right insertion strip. The utility model has the advantages of easy dismounting, high reliability, low maintenance cost, etc.

Description

Wallboard mounting structure

Technical Field

The utility model relates to a panel field, especially a wallboard mounting structure.

Background

At present, more and more people adopt wood boards to decorate wall surfaces. Wherein current plank adopts glue to fix on the wall mostly, in order to make the plank fix firmly, need often to use a large amount of glue. Because the glue contains formaldehyde, the installation mode is not environment-friendly and easily affects the health of human body. Meanwhile, the wood board is firmly fixed on the wall surface through glue, so that the wood board is difficult to detach from the wall surface when the wood board needs to be replaced, and the convenience of wood board maintenance is reduced; and generally requires the replacement of the object by engaging a professional, which leads to an increase in maintenance cost for the user.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve above-mentioned problem and not enough, provide a wallboard mounting structure, this wallboard mounting structure has easy dismounting, reliability height, maintenance cost low grade advantage.

The technical scheme of the utility model is realized like this:

a wallboard mounting structure is characterized by comprising a wall surface, a left positioning strip, a right positioning strip, a wood board, a left elastic positioning component, a right elastic positioning component, a left screw and a right screw, wherein the left positioning strip is vertically arranged, the front surface of the left positioning strip is provided with a left embedding groove, and the left embedding groove vertically extends to the upper end surface and the lower end surface of the left positioning strip, a left limiting groove is arranged on the left groove wall of the left embedding groove, and the left limiting groove vertically extends to the upper end surface and the lower end surface of the left positioning strip, the front groove wall and the rear groove wall of the left limiting groove are respectively provided with a first limiting convex strip and a second limiting convex strip which are oppositely arranged, the first limiting convex strip and the second limiting convex strip are vertically arranged, the width of the first limiting convex strip is equal to that of the second limiting convex strip, and a left through hole penetrating to the rear surface of the left positioning strip is formed in the bottom of the left embedding groove; the right positioning strip is vertically arranged, a right embedding groove is formed in the front surface of the right positioning strip, the right embedding groove vertically extends to the upper end face and the lower end face of the right positioning strip, a right limiting groove is formed in the right groove wall of the right embedding groove, the right limiting groove vertically extends to the upper end face and the lower end face of the right positioning strip, a third limiting convex strip and a fourth limiting convex strip which are oppositely arranged are respectively arranged on the front groove wall and the rear groove wall of the right limiting groove, the third limiting convex strip and the fourth limiting convex strip are vertically arranged, the width of the third limiting convex strip is equal to that of the fourth limiting convex strip, and a right through hole penetrating through the rear surface of the right positioning strip is formed in the groove bottom of the right embedding groove; the wood board is vertically arranged, a left inserting strip and a right inserting strip which are arranged side by side from left to right are arranged on the rear surface of the wood board, the left inserting strip and the right inserting strip are vertically arranged, a left abdicating hole is formed in the rear surface of the left inserting strip, a right abdicating hole is formed in the rear surface of the right inserting strip, an embedding hole is formed in the rear surface of the wood board, a metal ring is embedded in the embedding hole, the central line of the metal ring is parallel to the central line of the embedding hole, an operating hole is formed in the hole bottom of the embedding hole, the operating hole is in butt joint communication with the inner hole of the metal ring, the operating hole penetrates through the front surface of the wood board, and a detachable shielding cap is embedded in the opening of the operating hole on the front surface of the wood board; the left elastic positioning assembly comprises a left spring and a left top pressure strip, the left top pressure strip is vertically arranged, a first limiting groove and a second limiting groove are respectively formed in the front surface and the rear surface of the left top pressure strip, the first limiting groove and the second limiting groove vertically extend, the first limiting groove and the second limiting groove extend to the upper end face and the lower end face of the left top pressure strip, the width of the first limiting groove is equal to that of the second limiting groove, the width of the first limiting groove is larger than that of the first limiting raised line, and a left guide inclined plane is formed in the right side edge of the front surface of the left top pressure strip; the left top pressure strip can be transversely and movably embedded in the left limiting groove, the right wall of the left top pressure strip is arranged in the left embedding groove, the first limiting groove is covered on the first limiting convex strip, the second limiting groove is covered on the second limiting convex strip, the left spring is arranged in the left limiting groove, and two ends of the left spring respectively and elastically act on the groove bottom of the left limiting groove and the left surface of the left top pressure strip; the right elastic positioning assembly comprises a right spring and a right top pressure strip, the right top pressure strip is vertically arranged, a third limiting groove and a fourth limiting groove are respectively formed in the front surface and the rear surface of the right top pressure strip, the third limiting groove and the fourth limiting groove vertically extend, the third limiting groove and the fourth limiting groove extend to the upper end face and the lower end face of the right top pressure strip, the width of the third limiting groove is equal to that of the fourth limiting groove, the width of the third limiting groove is larger than that of the third limiting raised line, and a right guide inclined plane is formed in the left side edge of the front surface of the right top pressure strip; the right top pressure strip can be transversely and movably embedded in the right limiting groove, the left wall of the right top pressure strip is arranged in the right embedding groove, the third limiting groove is covered on the third limiting convex strip, the fourth limiting groove is covered on the fourth limiting convex strip, the right spring is arranged in the right limiting groove, and two ends of the right spring respectively and elastically act on the groove bottom of the right limiting groove and the right surface of the right top pressure strip; the left positioning strip, the right positioning strip are arranged on the wall surface side by side, the left screw is arranged in the left embedding groove, the left screw penetrates through the left perforation and then is connected to the wall surface in a threaded mode, the right screw is arranged in the right embedding groove, the right screw penetrates through the right perforation and then is connected to the wall surface in a threaded mode, the left insertion strip is inserted into the left embedding groove, the left ejection strip is tightly pressed on the left surface of the left insertion strip, the left insertion strip is also attached to the right groove wall of the left embedding groove, the left yielding hole is covered on the end portion of the left screw, the right insertion strip is inserted into the right embedding groove, the right ejection strip is tightly pressed on the right surface of the insertion strip, the right insertion strip is also attached to the left groove wall of the right embedding groove, and the right yielding hole is covered on the end portion of the right screw.

The utility model has the advantages that: through the setting of left perforation, can be convenient for fix left location strip on the wall through left screw, can avoid the use of glue like this, its ten minutes environmental protection to avoid it to cause the influence to people's health. Through the setting of right perforation, can be convenient for fix right location strip on the wall through right screw, can avoid the use of glue like this, its ten minutes environmental protection to avoid it to cause the influence to people's health. Through making a left side give way the escutcheon and put the terminal surface at left screw to and make a right side give way the escutcheon and put the tip at right screw, the wallboard thickness of being convenient for like this, in order to prevent that it from occupying too much space, this design is very ingenious. Can know through foretell structural design, can make left roof pressure strip, right roof pressure strip homoenergetic realize transverse motion, and left spring can give right effort of left roof pressure strip, right spring can give left effort of right roof pressure strip, and the cartridge of left side plug-in strip, right plug-in strip of can being convenient for like this can play fine effect of compressing tightly to left plug-in strip, right plug-in strip again, this can not only improve the convenience of plank installation, can also improve the reliability of plank installation. The left insertion strip is attached to the right groove wall of the left insertion groove, so that the left insertion strip can be resisted, and the left insertion strip can be prevented from being damaged by the left jacking strip; similarly, the right insertion strip can be attached to the left groove wall of the right insertion groove through the right insertion strip, so that the right insertion strip can be prevented from being damaged by the right jacking strip; the reliability of the wallboard mounting structure can be effectively improved. Through opening out the handle hole and embedding the hole on the plank, can make things convenient for people to put the instrument with the hook and hook the plank to guarantee that the plank dismantlement has higher convenience. Therefore, when the wood board needs to be replaced, the left positioning strip and the right positioning strip do not need to be replaced, and the accuracy and the reliability of the installation and the positioning of the wood board are ensured; and the disassembly and the assembly of the wood board are very simple, and the user can finish the disassembly and the assembly by himself, so that the convenience of maintaining the wood board is improved, and the cost of maintaining the wood board is reduced. The metal ring is embedded in the embedding hole, so that the hooking tool can be prevented from being directly hooked on the wood board, and the wood board is prevented from being damaged by hooking; therefore, when the wood board is disassembled and maintained, the wood board can be prevented from being damaged in the disassembling process. Through the setting that hides the lid, can play the effect of shielding to the handle hole, both can avoid the dust to enter into the plank inboard like this, and this aesthetic property that can also avoid wallboard mounting structure receives the influence. The arrangement of the left guide inclined plane is beneficial to improving the convenience of the insertion of the left insertion strip; the arrangement of the right guide inclined plane is beneficial to improving the convenience of the insertion of the right insertion strip; this further improves the convenience of installation of the wooden board.

Drawings

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

Fig. 2 is a schematic structural view of the middle left positioning strip of the present invention.

Fig. 3 is a schematic structural view of the middle right positioning strip of the present invention.

Fig. 4 is a schematic structural view of the middle wood board of the present invention.

Fig. 5 is a schematic structural view of the middle left elastic positioning assembly of the present invention.

Fig. 6 is a schematic structural view of the middle-right elastic positioning assembly of the present invention.

Detailed Description

It should be noted that all the directional indicators (such as the top surface, the bottom surface, the left, the right, the front, and the rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

As shown in fig. 1, the wall panel mounting structure of the present invention comprises a wall surface 1, a left positioning bar 2, a right positioning bar 3, a wood board 4, a left elastic positioning assembly 5, a right elastic positioning assembly 6, a left screw 7, and a right screw 8, wherein, as shown in fig. 2, the left positioning bar 2 is vertically arranged, a left embedding groove 21 is formed on the front surface of the left positioning bar 2, and the left embedding groove 21 vertically extends to the upper and lower end surfaces of the left positioning bar 2, a left limiting groove 22 is formed on the left groove wall of the left embedding groove 21, and the left limiting groove 22 vertically extends to the upper and lower end surfaces of the left positioning bar 2, a first limiting convex strip 221 and a second limiting convex strip 222 which are oppositely arranged are respectively arranged on the front and rear groove walls of the left limiting groove 22, and the first limiting convex strip 221 and the second limiting convex strip 222 are vertically arranged, the width of the first limiting convex strip 221 is equal to the width of the second limiting convex strip 222, the bottom of the left embedding groove 21 is provided with a left through hole 211 penetrating to the rear surface of the left positioning bar 2; as shown in fig. 3, the right positioning bar 3 is vertically arranged, a right embedding groove 31 is formed on the front surface of the right positioning bar 3, the right embedding groove 31 vertically extends to the upper and lower end surfaces of the right positioning bar 3, a right limiting groove 32 is formed on the right groove wall of the right embedding groove 31, the right limiting groove 32 vertically extends to the upper and lower end surfaces of the right positioning bar 3, a third limiting convex strip 321 and a fourth limiting convex strip 322 which are oppositely arranged are respectively arranged on the front and rear groove walls of the right limiting groove 32, the third limiting convex strip 321 and the fourth limiting convex strip 322 are vertically arranged, the width of the third limiting convex strip 321 is equal to that of the fourth limiting convex strip 322, and a right through hole 311 which penetrates through to the rear surface of the right positioning bar 3 is formed at the groove bottom of the right embedding groove 31; as shown in fig. 4, the wood board 4 is vertically arranged, a left insertion strip 41 and a right insertion strip 42 which are arranged side by side from left to right are arranged on the rear surface of the wood board 4, the left insertion strip 41 and the right insertion strip 42 are vertically arranged, a left abdicating hole 411 is formed on the rear surface of the left insertion strip 41, a right abdicating hole 421 is formed on the rear surface of the right insertion strip 42, an embedding hole 43 is formed on the rear surface of the wood board 4, a metal ring 44 is embedded in the embedding hole 43, the central line of the metal ring 44 is parallel to the central line of the embedding hole 43, an operation hole 45 is formed at the bottom of the embedding hole 43, the operation hole 45 is in butt connection with the inner hole of the metal ring 44, the operation hole 45 penetrates through the front surface of the wood board 4, and a detachable covering cap 46 is embedded in the opening of the operation hole 45 on the front surface of the wood board 4; as shown in fig. 5, the left elastic positioning assembly 5 includes a left spring 51 and a left top pressure bar 52, the left top pressure bar 52 is vertically arranged, the front surface and the rear surface of the left top pressure bar 52 are respectively provided with a first limiting groove 521 and a second limiting groove 522, the first limiting groove 521 and the second limiting groove 522 vertically extend, the first limiting groove 521 and the second limiting groove 522 extend to the upper end surface and the lower end surface of the left top pressure bar 52, the width of the first limiting groove 521 is equal to the width of the second limiting groove 522, the width of the first limiting groove 521 is greater than the width of the first limiting convex strip 221, and the right side edge of the front surface of the left top pressure bar 52 is provided with a left guide inclined surface 523; as shown in fig. 1, the left pressing bar 52 can be transversely movably embedded in the left retaining groove 22, the right wall of the left pressing bar 52 is placed in the left embedding groove 21, the first retaining groove 521 is covered on the first retaining protrusion 221, and the second retaining groove 522 is covered on the second retaining protrusion 222, the left spring 51 is arranged in the left retaining groove 22, and two ends of the left spring 51 respectively elastically act on the groove bottom of the left retaining groove 22 and the left surface of the left pressing bar 52; as shown in fig. 6, the right elastic positioning assembly 6 includes a right spring 61 and a right top pressing bar 62, the right top pressing bar 62 is vertically arranged, the front and rear surfaces of the right top pressing bar 62 are respectively provided with a third limiting groove 621 and a fourth limiting groove 622, the third limiting groove 621 and the fourth limiting groove 622 vertically extend, the third limiting groove 621 and the fourth limiting groove 622 extend to the upper and lower end surfaces of the right top pressing bar 62, the width of the third limiting groove 621 is equal to that of the fourth limiting groove 622, the width of the third limiting groove 621 is greater than that of the third limiting protruding strip 321, and the left side of the front surface of the right top pressing bar 62 is provided with a right guiding inclined surface 623; as shown in fig. 1, the right pressing bar 62 is transversely movably embedded in the right limiting groove 32, the left wall of the right pressing bar 62 is placed in the right embedding groove 31, the third limiting groove 621 is covered on the third limiting convex strip 321, and the fourth limiting groove 622 is covered on the fourth limiting convex strip 322, the right spring 61 is arranged in the right limiting groove 32, and two ends of the right spring 61 respectively elastically act on the groove bottom of the right limiting groove 32 and the right surface of the right pressing bar 62; as shown in fig. 1, the left positioning strip 2 and the right positioning strip 3 are arranged on the wall surface 1 side by side, the left screw 7 is arranged in the left embedding groove 21, and the left screw 7 is screwed on the wall surface 1 after passing through the left through hole 211, the right screw 8 is arranged in the right embedding groove 31, and the right screw 8 is screwed on the wall surface 1 after passing through the right perforation 311, the left insertion strip 41 is inserted in the left embedding groove 21, and the left top pressure strip 52 is pressed tightly on the left surface of the left insertion strip 41, and the left insertion strip 41 is also attached on the right groove wall of the left embedding groove 21, and the left abdicating hole 411 is covered on the end of the left screw 7, the right inserting strip 42 is inserted in the right inserting groove 31, and the right pressing bar 62 is pressed against the right surface of the right insertion bar 42, the right insertion bar 42 is also stuck to the left groove wall of the right embedding groove 31, and the right abdicating hole 421 is covered on the end of the right screw 8. Through the setting of left perforation 211, can be convenient for fix left location strip 2 on the wall through left screw 7, can avoid the use of glue like this, its ten minutes environmental protection to avoid it to cause the influence to people's health. Through the setting of right perforation 311, can be convenient for fix right location strip 3 on the wall through right screw 8, can avoid the use of glue like this, its ten minutes environmental protection to avoid it to cause the influence to people's health. Through making left hole 411 cover the terminal surface of putting at left screw 7 to and make right hole 421 cover the tip of putting at right screw 8 of stepping down, the wallboard thickness of being convenient for like this, in order to prevent that it from taking up too much space, this design is very ingenious. Through the structural design, the left jacking strip 52 and the right jacking strip 62 can move transversely, the left spring 51 can provide a right acting force for the left jacking strip 52, and the right spring 61 can provide a left acting force for the right jacking strip 62, so that the left insertion strip 41 and the right insertion strip 42 can be conveniently inserted, and the left insertion strip 41 and the right insertion strip 42 can be well compressed, so that the convenience for mounting the wood board 4 can be improved, and the reliability for mounting the wood board 4 can be improved. The left insertion strip 41 can be abutted by the left insertion strip 41 attached to the right groove wall of the left insertion groove 21, so that the left insertion strip 41 can be prevented from being damaged by the left abutting strip 52; similarly, the right insertion strip 42 can be attached to the left groove wall of the right embedding groove 31, so that the right pressing strip 62 can be prevented from pressing against the right insertion strip 42; the reliability of the wallboard mounting structure can be effectively improved. Through opening out handle hole 45 and embedding hole 43 on plank 4, can make things convenient for people to put the instrument with the hook and hook plank 4 to guarantee that plank 4 dismantles and has higher convenience. Therefore, when the wood board 4 needs to be replaced, the left positioning strip 2 and the right positioning strip 3 do not need to be replaced, and the accuracy and the reliability of the installation and the positioning of the wood board 4 are ensured; and the disassembly and the assembly of the wood board 4 are very simple, and the user can finish the disassembly and the assembly by himself, which not only is beneficial to improving the convenience of the maintenance of the wood board 4, but also is beneficial to reducing the cost of the maintenance of the wood board 4. The metal ring 44 is embedded in the embedding hole 43, so that the hooking tool can be prevented from being directly hooked on the wood board 4, and the wood board 4 is prevented from being damaged by hooking; therefore, when the wood board 4 is disassembled and maintained, the wood board 4 can be prevented from being damaged in the disassembling process. By the arrangement of the covering cap 46, the operation hole 45 can be covered, so that dust can be prevented from entering the inner side of the wood board 4, and the attractiveness of the wallboard mounting structure can be prevented from being affected. The arrangement of the left guide inclined surface 523 is helpful for improving the convenience of the insertion of the left insertion strip 41; the arrangement of the right guide inclined surface 623 is helpful for improving the convenience of the insertion of the right insertion strip 42; this can further improve the convenience of mounting the wood board 4.

Wherein, fig. 1 is a schematic structural view of the overlooking direction of the present invention.

It should be noted that the drawings are only schematic structural diagrams of the design scheme of the application, and are used for expressing the design principle of the design scheme. In a specific manufacturing process, the length, width and height ratio of each component in the schematic diagram can be correspondingly modified; and the relative distances of the various components may also be varied somewhat without departing from the design principles of the present application.

As shown in fig. 2, the right notch edge of the left embedding groove 21 is provided with an arc transition surface, so that a guiding function can be achieved, and the convenience of mounting the wood board 4 is improved.

As shown in fig. 3, the edge of the left notch of the right embedding groove 31 is provided with an arc transition surface, so that a guiding function can be achieved, and the convenience of mounting the wood board 4 is improved.

And the left positioning strip 2 and the right positioning strip 3 are both made of aluminum profiles. In the actual manufacturing process, the heights of the left positioning strip 2 and the right positioning strip 3 are smaller than the height of the wood board 4, so that the application of raw materials can be reduced, and the manufacturing cost of the wallboard mounting structure is reduced.

The left side edge and the right side edge of the rear surface of the left inserting strip 41 are chamfered; the left side edge and the right side edge of the rear surface of the right inserting strip 42 are chamfered; this can improve the convenience of installation of the wooden board 4.

The left insertion strip 41, the right insertion strip 42 and the wood board 4 are of an integral structure.

The metal ring 44 can be embedded into the embedding hole 43 in an interference fit manner, and can also be fixed in the embedding hole 43 by glue.

When the wood board 4 is disassembled, the rod hooking tool with the hook body at the front end can penetrate into the inner hole of the metal ring 44 through the operation hole 45, the hook body is hooked on the inner side of the metal ring 44, and then the rod hooking tool is pulled outwards, so that the wood board 4 can be pulled away from the left positioning strip 2 and the right positioning strip 3.

In the actual manufacturing process, a plurality of embedding holes 43 can be formed in the wood board 4, the metal ring 44 is embedded in each embedding hole 43, the operation hole 45 is formed at the bottom of each embedding hole 43, and the covering cap 46 is embedded in each operation hole 45; this facilitates pulling the wooden board 4 from different positions.

In the actual manufacturing process, a plurality of left springs 51 can be vertically arranged in parallel in the left limiting groove 22, and each left spring 51 can elastically act on the left pressing strip 52, which helps to further improve the reliability of the elastic action of the left pressing strip 52.

In the actual manufacturing process, a plurality of right springs 61 can be vertically arranged in parallel in the right limiting groove 32, and each right spring 61 can elastically act on the right pressing strip 62, which is helpful for further improving the reliability of the elastic action of the right pressing strip 62.

In the actual manufacturing process, a plurality of left through holes 211 which are arranged side by side in the vertical direction can be formed in the left positioning strip 2, left screws 7 penetrate through the left through holes 211, and the left screws 7 are screwed on the wall, so that the reliability of installation and positioning of the left positioning strip 2 is improved. Meanwhile, a plurality of right through holes 311 which are vertically arranged side by side can be formed in the right positioning strip 3, right screws 8 penetrate through the right through holes 311, and the right screws 8 are screwed on the wall, so that the reliability of installation and positioning of the right positioning strip 3 is improved.

After the wallboard mounting structure is assembled, a cavity 10 can be formed between the wood board 4 and the wall surface 1, the cavity 10 can be used for arranging wires and water pipes, and a hooking tool can be conveniently arranged on the rear side of the metal ring 44 in a penetrating manner, so that the wood board 4 is prevented from being disassembled; therefore, the wallboard mounting structure has high applicability.

Claims

1. A wallboard mounting structure which characterized in that: comprises a wall surface (1), a left positioning strip (2), a right positioning strip (3), a wood board (4), a left elastic positioning component (5), a right elastic positioning component (6), a left screw (7) and a right screw (8), wherein

The left positioning strip (2) is vertically arranged, a left embedding groove (21) is arranged on the front surface of the left positioning strip (2), and the left embedding groove (21) vertically extends to the upper and lower end surfaces of the left positioning strip (2), the left groove wall of the left embedding groove (21) is provided with a left limit groove (22), and the left limit groove (22) vertically extends to the upper end surface and the lower end surface of the left positioning strip (2), the front and back groove walls of the left limit groove (22) are respectively provided with a first limit convex strip (221) and a second limit convex strip (222) which are oppositely arranged, and the first limit convex strip (221) and the second limit convex strip (222) are vertically arranged, the width of the first limit convex strip (221) is equal to that of the second limit convex strip (222), the bottom of the left embedding groove (21) is provided with a left through hole (211) which penetrates through the rear surface of the left positioning strip (2);

the right positioning strip (3) is vertically arranged, a right embedding groove (31) is arranged on the front surface of the right positioning strip (3), and the right embedding groove (31) vertically extends to the upper and lower end surfaces of the right positioning strip (3), the right groove wall of the right embedding groove (31) is provided with a right limit groove (32), and the right limit groove (32) vertically extends to the upper and lower end surfaces of the right positioning strip (3), the front and the rear groove walls of the right limit groove (32) are respectively provided with a third limit convex strip (321) and a fourth limit convex strip (322) which are oppositely arranged, and the third limit convex strip (321) and the fourth limit convex strip (322) are vertically arranged, the width of the third limiting convex strip (321) is equal to that of the fourth limiting convex strip (322), the bottom of the right embedding groove (31) is provided with a right through hole (311) penetrating to the rear surface of the right positioning strip (3);

the wood board (4) is vertically arranged, a left inserting strip (41) and a right inserting strip (42) which are arranged side by side left and right are arranged on the rear surface of the wood board (4), the left inserting strip (41) and the right inserting strip (42) are vertically arranged, a left abdicating hole (411) is formed in the rear surface of the left inserting strip (41), a right abdicating hole (421) is formed in the rear surface of the right inserting strip (42), an embedding hole (43) is formed in the rear surface of the wood board (4), a metal ring (44) is embedded in the embedding hole (43), the central line of the metal ring (44) is parallel to the central line of the embedding hole (43), an operation hole (45) is formed in the hole bottom of the embedding hole (43), the operation hole (45) is communicated with the inner hole of the metal ring (44) in a butt joint mode, and the operation hole (45) is made to penetrate through the front surface of the wood board (4), a detachable covering cap (46) is embedded on the orifice of the operation hole (45) positioned on the front surface of the wood board (4);

the left elastic positioning assembly (5) comprises a left spring (51) and a left top pressure strip (52), the left top pressure strip (52) is vertically arranged, a first limiting groove (521) and a second limiting groove (522) are respectively formed in the front surface and the rear surface of the left top pressure strip (52), the first limiting groove (521) and the second limiting groove (522) vertically extend, the first limiting groove (521) and the second limiting groove (522) extend to the upper end surface and the lower end surface of the left top pressure strip (52), the width of the first limiting groove (521) is equal to that of the second limiting groove (522), the width of the first limiting groove (521) is larger than that of the first limiting convex strip (221), and a left guide inclined surface (523) is formed on the right side edge of the front surface of the left top pressure strip (52);

the left top pressure strip (52) can be transversely and movably embedded in the left limiting groove (22), the right wall of the left top pressure strip (52) is arranged in the left embedding groove (21), the first limiting groove (521) is covered on the first limiting convex strip (221), the second limiting groove (522) is covered on the second limiting convex strip (222), the left spring (51) is arranged in the left limiting groove (22), and two ends of the left spring (51) respectively and elastically act on the groove bottom of the left limiting groove (22) and the left surface of the left top pressure strip (52);

the right elastic positioning assembly (6) comprises a right spring (61) and a right top pressure strip (62), the right top pressure strip (62) is vertically arranged, a third limiting groove (621) and a fourth limiting groove (622) are respectively formed in the front surface and the rear surface of the right top pressure strip (62), the third limiting groove (621) and the fourth limiting groove (622) vertically extend, the third limiting groove (621) and the fourth limiting groove (622) extend to the upper end surface and the lower end surface of the right top pressure strip (62), the width of the third limiting groove (621) is equal to that of the fourth limiting groove (622), the width of the third limiting groove (621) is larger than that of the third limiting convex strip (321), and a right guide inclined plane (623) is formed in the left side edge of the front surface of the right top pressure strip (62);

the right top pressure strip (62) can be transversely and movably embedded in the right limiting groove (32), the left wall of the right top pressure strip (62) is arranged in the right embedding groove (31), the third limiting groove (621) is covered on the third limiting convex strip (321), the fourth limiting groove (622) is covered on the fourth limiting convex strip (322), the right spring (61) is arranged in the right limiting groove (32), and two ends of the right spring (61) respectively and elastically act on the groove bottom of the right limiting groove (32) and the right surface of the right top pressure strip (62);

the left positioning strip (2) and the right positioning strip (3) are arranged on the wall surface (1) in a left-right side-by-side mode, the left screw (7) is arranged in a left embedding groove (21), the left screw (7) penetrates through a left through hole (211) and then is screwed on the wall surface (1), the right screw (8) is arranged in a right embedding groove (31), the right screw (8) penetrates through a right through hole (311) and then is screwed on the wall surface (1), the left embedding strip (41) is inserted in the left embedding groove (21), the left jacking strip (52) is tightly pressed on the left surface of the left embedding strip (41), the left embedding strip (41) is also stuck on the right groove wall of the left embedding groove (21), the left yielding hole (411) is covered on the end part of the left screw (7), the right embedding strip (42) is inserted in the right embedding groove (31), and the right jacking strip (62) is tightly pressed on the right upper surface of the right jacking strip (42), a right insertion strip (42) is attached to the left groove wall of the right embedding groove (31), and a right abdicating hole (421) covers the end part of the right screw (8).