CN108814174B

CN108814174B - Mural hanging auxiliary device

Info

Publication number: CN108814174B
Application number: CN201810578942.6A
Authority: CN
Inventors: 陈绍林; 章婧
Original assignee: Wenzhou University
Current assignee: Wenzhou University
Priority date: 2018-06-07
Filing date: 2018-06-07
Publication date: 2020-09-08
Anticipated expiration: 2038-06-07
Also published as: CN108814174A

Abstract

The invention discloses a mural hanging auxiliary device which comprises an observation plate, wherein a connecting plate is fixedly connected to the upper end of the observation plate, symmetrically arranged L-shaped plates are respectively arranged on the side walls of two sides of the connecting plate, L-shaped clamping grooves are formed in the side walls of one opposite side of the two L-shaped plates, suckers are fixedly connected to the rear sides of the two L-shaped plates, an adhesive device is fixedly connected to the side wall of one side, away from the L-shaped plate, of each sucker, the side walls of one opposite end of the two L-shaped plates are communicated with the suckers through openings, a closing device is arranged in each through opening, a transverse sliding groove is formed in the connecting plate, two ends of each sliding groove penetrate through the side wall of the connecting plate, and connecting pipes which. The invention has simple operation and convenient use, fixes the mural simply, quickly and firmly, can be operated by a single person, improves the working efficiency, ensures that the mural is hung neatly and beautifully, and enhances the purchasing desire of customers.

Description

Mural hanging auxiliary device

Technical Field

The invention relates to the technical field of murals, in particular to a mural hanging auxiliary device.

Background

The wall painting is an ornament used for decorating rooms and hung on a wall, and along with the improvement of living standard of people, people pay more and more attention to the aesthetic effect of office decoration, so the wall painting is often hung on the wall. When a mural shop sells murals, the murals need to be hung on a wall for sale, generally, a screw is fixed on the wall, then the murals are hung through a limiting groove behind the murals, the murals are not firmly fixed, when the murals are hung, one person is generally required to hang the murals, one person refers to a horizontal line of a corner in a room to observe whether the murals are righted, the working strength is high, after the workload is increased and a plurality of murals are hung, workers are tired, the great error can occur when the murals are righted by visual observation, the attractiveness can be influenced when the murals are not righted, and therefore the purchasing desire of customers can be influenced; to this end, we propose a mural hanging aid to solve these problems.

Disclosure of Invention

The invention aims to solve the problems that when a mural shop sells murals in the prior art, the murals need to be hung on a wall for selling, generally, a screw is fixed on the wall, then the murals are hung through a limiting groove behind the murals, the murals are not firmly fixed, when the murals are hung, one person is generally required to hang the murals, one person looks at the horizontal line of a corner in a room to observe whether the murals are righting or not, the working strength is high, after a lot of murals are hung due to the fact that the workload is high, workers are tired, large errors can occur when the murals are righting or not visually, the attractiveness can be affected due to the fact that the murals are not righting, the purchasing desire of customers is affected, and the like.

In order to achieve the purpose, the invention adopts the following technical scheme:

a mural hanging auxiliary device comprises an observation plate, wherein the upper end of the observation plate is fixedly connected with a connecting plate, the side walls of two sides of the connecting plate are respectively provided with L-shaped plates which are symmetrically arranged, the side wall of one side, opposite to the two L-shaped plates, is provided with an L-shaped clamping groove, the rear sides of the two L-shaped plates are also fixedly connected with suckers, the side wall of one side, away from the L-shaped plates, of each sucker is also fixedly connected with an adhesive device, the side wall of one end, opposite to the two L-shaped plates, of each sucker is communicated with the corresponding sucker through an opening, a closing device is arranged in each opening, a transverse sliding groove is arranged in the connecting plate, the two ends of each sliding groove penetrate through the side wall of the connecting plate, connecting pipes which are matched with the corresponding openings are symmetrically and slidably connected in the sliding grooves, one ends of, and the vacuum pump passes through pipeline and hose intercommunication, two the equal fixedly connected with slide bar of downside lateral wall of connecting pipe, and be equipped with the smooth chamber that matches with the slide bar in the connecting plate, two the inner wall connection in slide bar relative one side lateral wall all through spring and smooth chamber, the slide bar is kept away from the horizontal pole of pressing that sets up of one end fixedly connected with of spring, press the pole and run through the connecting plate setting, the lower extreme of connecting plate still is equipped with the fixing device who sets up with the cooperation of L template, be equipped with the vacuum chamber in the observation board, and roll connection has the ball in the vacuum chamber, the downside inner wall of vacuum chamber is arranged and is equipped with a plurality of just falling triangle-shaped recesses, and all is equipped with the time delay.

Preferably, the outer side wall of the connecting pipe is further wrapped with a sealing gasket.

Preferably, one end of the pressing rod penetrating through the connecting plate is fixedly connected with a circular pressing block, and the circular pressing block is wrapped with a rubber cushion.

Preferably, the bonding device comprises a brittle viscose bead, and viscose is arranged in the brittle viscose bead.

Preferably, the closing device includes the sealed pearl, the sealed pearl is located the opening and sets up, and the both sides lateral wall of sealed pearl is equipped with first through-hole and second through-hole respectively, the downside lateral wall of L template is equipped with the induction port with sealed pearl intercommunication, and the junction of induction port and sealed pearl is equipped with the balloon.

Preferably, the fixing device comprises symmetrically arranged L-shaped fixture blocks, the two L-shaped fixture blocks are respectively rotatably connected with the side walls of the two sides of the connecting plate, and the side walls of the L-shaped plates are provided with clamping grooves matched with the L-shaped fixture blocks.

Preferably, the balls are made of polytetrafluoroethylene.

The device is simple to operate and convenient to use, the mural can be fixed simply, quickly and firmly, the two L-shaped plates are fixed with the wall, so that the mural can be fixed conveniently, the L-shaped plates are connected with the connecting plate simply and firmly, the L-shaped plates can be separated from the device quickly after the L-shaped plates are fixed, continuous installation is realized, the working efficiency is improved, the mural can be hung and operated by a single person, the working efficiency is high, the mural is hung neatly and attractively, and the purchase desire of customers is enhanced.

Drawings

Fig. 1 is a schematic structural view of a mural hanging auxiliary device according to the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of the structure at B in FIG. 1;

FIG. 4 is a schematic view of the structure at C in FIG. 1;

fig. 5 is a schematic side view of an L-shaped fixture block and a slot in the mural hanging auxiliary device according to the present invention;

FIG. 6 is a schematic view of the stress analysis of the mural hanging auxiliary device according to the present invention, wherein the balls are in a balanced state;

FIG. 7 is a schematic view of the force analysis of a ball of an observation plate tilting rightwards in a mural hanging auxiliary device provided by the invention at a balance zero-boundary point;

fig. 8 is a schematic diagram illustrating a force analysis of a ball rolling to the right in the mural hanging auxiliary device according to the present invention.

In the figure: the device comprises an observation plate 1, a connecting plate 2, a 3L-shaped plate, a 4L-shaped clamping groove, a suction cup 5, a brittle viscose bead 6, a through opening 7, a sealing bead 8, a first through hole 9, a second through hole 10, an air suction opening 11, a balloon 12, a sliding groove 13, a connecting pipe 14, a hose 15, a vacuum pump 16, a pipeline 17, a sliding rod 18, a sliding cavity 19, a spring 20, a pressing rod 21, a 22L-shaped clamping block, a clamping groove 23, a vacuum cavity 24, a ball 25, a regular inverted triangle groove 26 and a time delay trigger 27.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-8, a mural painting hangs auxiliary device, including observation board 1, the upper end fixedly connected with connecting plate 2 of observation board 1, and the both sides lateral wall of connecting plate 2 is equipped with the L template 3 that the symmetry set up respectively, two relative lateral walls of L template 3 are equipped with L type draw-in groove 4, two rear sides of L template 3 still fixedly connected with sucking disc 5, and sucking disc 5 keeps away from a lateral wall of L template 3 still fixedly connected with adhesive device, adhesive device includes fragility viscose pearl 6, be equipped with the viscose among the fragility viscose pearl 6, in the continuous in-process that is close to the wall of sucking disc 5, fragility viscose pearl 6 is crushed, wherein viscose and wall and sucking disc 5 contact, make sucking disc 5 firmly stick with the wall, fix L template 3.

The side walls of the opposite ends of the two L-shaped plates 3 are communicated with the sucking disc 5 through the through holes 7, the through holes 7 are internally provided with a closing device, the closing device comprises a sealing bead 8, the sealing bead 8 is arranged in the through holes 7, the side walls of the two sides of the sealing bead 8 are respectively provided with a first through hole 9 and a second through hole 10, the side wall of the lower side of the L-shaped plate 3 is provided with an air suction port 11 communicated with the sealing bead 8, a balloon 12 is arranged at the joint of the air suction port 11 and the sealing bead 8, the device can suck air into the through holes 7 in the process of fixing the L-shaped plate 3, no external air enters due to the fact that the sucking disc 5 is attached to the wall, air in the sucking disc 5 and the through holes 7 is sucked, in the process, the pressure is reduced due to the reduction of air in the through holes 7, air supplement needs to the inside the through holes 7, only the air suction port 11 is communicated, the balloon 12 is inflated, the balloon is continuously inflated to be enlarged, the first through hole 9 and the second through hole 10 are blocked and sealed, the internal pressure of the sucker 5 is always lower than the external pressure, and therefore the L-shaped plate 3 is sucked on the wall and fixed with the wall.

A sliding groove 13 which is transversely arranged is arranged in the connecting plate 2, two ends of the sliding groove 13 are arranged by penetrating through the side wall of the connecting plate 2, connecting pipes 14 which are matched with the through holes 7 are symmetrically and slidably connected in the sliding groove 13, one end of each connecting pipe 14 is arranged in each through hole 7 in an inserting mode, the outer side wall of each connecting pipe 14 is further wrapped with a sealing gasket for sealing the connecting part between each connecting pipe 14 and each through hole 7 and improving the sealing performance of the connecting pipe, the opposite ends of the two connecting pipes 14 are communicated through hoses 15, a vacuum pump 16 is further arranged on the side wall of one side of the observation plate 1 and communicated with the hoses 15 through a pipeline 17, sliding rods 18 are fixedly connected to the lower side walls of the two connecting pipes 14, sliding cavities 19 which are matched with the sliding rods 18 are arranged in the connecting plate 2, the side wall of the opposite side of the two sliding rods 18 is connected with the inner walls of the sliding cavities 19, according to the setting of pole 21 through connecting plate 2, press the circular piece of pressing of one end fixedly connected with that pole 21 runs through connecting plate 2, and the circular piece of pressing of wrapping up has the rubber cushion, and the circular piece of pressing has increased the surface area of pressing pole 21 one end, makes it be convenient for press, and the uncomfortable sense when staff pressed the circular piece of pressing has been slowed down in the setting of rubber cushion.

The lower end of the connecting plate 2 is also provided with a fixing device matched with the L-shaped plate 3, the fixing device comprises L-shaped clamping blocks 22 which are symmetrically arranged, the two L-shaped clamping blocks 22 are respectively and rotatably connected with the side walls of the two sides of the connecting plate 2, clamping grooves 23 matched with the L-shaped clamping blocks 22 are arranged on the side walls of the L-shaped plate 3, when the L-shaped plate 3 is installed, the connecting pipes 14 at the two ends of the connecting plate 2 are inserted into the through holes 7 in the L-shaped plate 3, the L-shaped clamping blocks 22 are rotated to be clamped into the clamping grooves 23 to fix the L-shaped plate 3, the observation plate 1 is provided with a vacuum cavity 24, the vacuum cavity 24 is connected with rolling balls 25 in a rolling mode, the rolling balls 25 are made of polytetrafluoroethylene, the friction coefficient of the polytetrafluoroethylene is extremely small, the rolling friction force of the rolling balls 25 in the vacuum cavity 24 is effectively reduced, the friction force is almost zero and can be ignored, and the delay triggers 27 are arranged in the regular inverted triangle grooves 26, in the process of fixing the L-shaped plate 3 and the wall, one surface, provided with the sucker 5, of the L-shaped plate 3 is attached to the wall, the observation plate 1 is slowly swung, the ball 25 rolls in the vacuum cavity 24, when the ball 25 is clamped in the regular inverted triangle grooves 26 and cannot roll, the swinging is stopped, the ball 25 is in contact with the delay triggers 27, after 2 to 3 seconds, the delay triggers 27 are triggered to electrify the vacuum pump 16, the vacuum pump 16 runs, and the through hole 7 is sucked through the pipeline 17, the hose 15 and the connecting pipe 14.

When the observation plate 1 is in a horizontal position and the ball 25 is in a balanced state in the forward and reverse triangular grooves 26, (for facilitating the analysis of the force applied to the ball 25, fig. 6-8 enlarge the forward and reverse triangular grooves 26), the ball 25 is supported by the supporting force F1 and F2 on the two inner walls of the forward and reverse triangular grooves 26, and is also subjected to the action of gravity mg, so that the ball is kept balanced (wherein when the observation plate 1 is driven, the ball 25 rolls in the vacuum chamber 24, because the amplitude of the swing of the observation plate 1 is small, the rolling speed of the ball 25 is also small, in the analysis process of the force applied, the problem of impact force when the ball 25 rolls is not considered, and the ball 25 is made of polytetrafluoroethylene, the friction coefficient of which is very small, the rolling friction force of the ball 25 in the vacuum chamber 24 is effectively reduced, and the friction force is almost zero, negligible) the angle between the two inclined inner walls of the regular and inverted triangular recesses 26 is α, when the observation plate 1 is inclined to make the ball 25 at the equilibrium zero boundary point, the supporting force F1 of the regular and inverted triangular recesses 26 to the ball 25 is zero, the supporting force F2 of the other inner wall of the regular and inverted triangular recesses 26 is mg of the weight of the ball 25 to keep the ball 25 in equilibrium, the direction of F2 is perpendicular to the horizontal line, the angle between F2 and the observation plate 1 at the horizontal position F2 is α/2, when the ball 25 rolls to the right, F1 is zero, the supporting force direction of the other inner wall supporting force F2 of the regular and inverted triangular recesses 26 is deviated from the vertical direction, so that F2 has a transverse component to roll, when the observation plate 1 swings, its swing angle ranges from- α/2 to + α/2, the ball 25 does not roll out of the regular and inverted triangular recesses 26, the distance between the two inner walls of the inverted triangular groove 26 is designed practically so that the deviation angle thereof is within a specific range and the inclination is not recognized by human eyes, as required.

When the invention is used, a worker determines the hanging height of a mural, the connecting pipes 14 at two ends of the connecting plate 2 are inserted into the through holes 7 in the L-shaped plate 3, the L-shaped fixture block 22 is rotated to be clamped into the clamping groove 23, the L-shaped plate 3 is fixed, one surface of the L-shaped plate 3 with the suction cup 5 is attached to a wall, the observation plate 1 is slowly swung, the ball 25 rolls in the vacuum cavity 24, when the ball 25 is clamped in the inverted triangle groove 26 and can not roll, the swinging is stopped, the ball 25 is contacted with the delay trigger 27, after 2-3 seconds, the delay trigger 27 is triggered, the vacuum pump 16 is electrified, the vacuum pump 16 operates, the through hole 7 is sucked through the pipeline 17, the hose 15 and the connecting pipe 14, no outside air enters due to the fact that the suction cup 5 is attached to the wall, so that the air in the suction cup 5 and the through holes 7 is sucked, because the pressure is reduced due to the reduction of air in the through hole 7, air supplement needs to be carried out in the through hole 7, at the moment, only the air suction port 11 is communicated with the outside, the outside air enters the sealing bead 8 from the air suction port 11 to inflate the balloon 12, the balloon is continuously inflated to be enlarged, the first through hole 9 and the second through hole 10 are blocked and sealed, after the suction force reaches a certain size, the vacuum pump 16 stops working, the pressure in the suction cup 5 is always lower than the outside pressure, so that the wall is sucked, the fragile viscose bead 6 is crushed when the suction cup 5 is continuously close to the wall, the viscose in the fragile viscose is contacted with the wall and the suction cup 5, so that the suction cup 5 is firmly stuck with the wall, the L-shaped plates 3 are fixed, the pressing rod 21 is pressed to drive the sliding rod 18 to compress the spring 20, the connecting pipe 14 is driven to slide out from the through hole 7, and the connecting plate 2, the lower end of the mural is inserted into the L-shaped clamping grooves 4 in the two L-shaped plates 3.

This device easy operation, high durability and convenient use, fixed mural is simple swift and firm, fix through fixing two L templates 3 with the wall, thereby the convenience is fixed the mural, L template 3 is connected simply and firmly with connecting plate 2, after fixing L template 3, can be fast with L template 3 and device separation, realize the continuity installation, the work efficiency is improved, single can carry out the mural and hang the operation, high work efficiency, the mural hangs neatly pleasing to the eye, customer's purchase desire has been strengthened.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A mural hanging auxiliary device comprises an observation plate (1), and is characterized in that the upper end of the observation plate (1) is fixedly connected with a connecting plate (2), the side walls of two sides of the connecting plate (2) are respectively provided with L-shaped plates (3) which are symmetrically arranged, the side wall of one side, opposite to the two L-shaped plates (3), is provided with an L-shaped clamping groove (4), the rear sides of the two L-shaped plates (3) are also fixedly connected with a sucking disc (5), the side wall, far away from the L-shaped plates (3), of one side of the sucking disc (5) is also fixedly connected with an adhesive device, the side wall of one end, opposite to the two L-shaped plates (3) is communicated with the sucking disc (5) through a through hole (7), a closing device is arranged in the through hole (7), a transverse sliding groove (13) is arranged in the connecting plate (2), the two ends of the sliding groove (13) are arranged by penetrating through the side wall of the connecting plate (2), one end of each connecting pipe (14) is inserted into the through hole (7) to be arranged, the two opposite ends of the connecting pipes (14) are communicated through a hose (15), a vacuum pump (16) is further arranged on the side wall of one side of the observation plate (1), the vacuum pump (16) is communicated with the hose (15) through a pipeline (17), slide rods (18) are fixedly connected to the side walls of the lower sides of the two connecting pipes (14), a slide cavity (19) matched with the slide rods (18) is arranged in the connecting plate (2), the side walls of one side, opposite to the two slide rods (18), are connected with the inner wall of the slide cavity (19) through springs (20), one end, far away from the springs (20), of each slide rod (18) is fixedly connected with a pressing rod (21) which is transversely arranged, the pressing rod (21) penetrates through the connecting plate (2), and a fixing device which is matched with the L-shaped plate (3) is further arranged at, a vacuum cavity (24) is arranged in the observation plate (1), balls (25) are connected in the vacuum cavity (24) in a rolling manner, a plurality of forward and backward triangular grooves (26) are arranged on the inner wall of the lower side of the vacuum cavity (24), and delay triggers (27) are arranged in the forward and backward triangular grooves (26);

the bonding device comprises a brittle viscose bead (6), and viscose is arranged in the brittle viscose bead (6);

the closing device comprises a sealing bead (8), the sealing bead (8) is arranged in the through hole (7), the side walls of the two sides of the sealing bead (8) are respectively provided with a first through hole (9) and a second through hole (10), the side wall of the lower side of the L-shaped plate (3) is provided with an air suction port (11) communicated with the sealing bead (8), and a balloon (12) is arranged at the joint of the air suction port (11) and the sealing bead (8);

the fixing device comprises L-shaped clamping blocks (22) which are symmetrically arranged, the two L-shaped clamping blocks (22) are respectively rotatably connected with the side walls of the two sides of the connecting plate (2), and clamping grooves (23) matched with the L-shaped clamping blocks (22) are formed in the side walls of the L-shaped plates (3).

2. A mural hanging aid according to claim 1, characterised in that the outer side wall of the connecting tube (14) is further wrapped with a gasket.

3. A mural hanging auxiliary device according to claim 1, characterized in that a circular button is fixedly connected to one end of the pressing rod (21) through the connecting plate (2), and the circular button is wrapped with a rubber cushion.

4. A mural hanging aid according to claim 1, characterised in that said balls (25) are of teflon.