CN212510380U

CN212510380U - Adjustable telescopic wall hanging rack for hanging articles

Info

Publication number: CN212510380U
Application number: CN202020689644.7U
Authority: CN
Inventors: 吴槐; 陈新宇; 谷飞; 王招
Original assignee: Fuqing Zhanxu Electronic Co ltd
Current assignee: Fuqing Zhanxu Electronic Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-29
Publication date: 2021-02-09
Anticipated expiration: 2030-04-29

Abstract

The utility model relates to an adjustable and retractable wall hanging rack for hanging articles, which comprises a back plate connected on the wall surface and at least one group of retractable supporting structures arranged on the surface of the back plate, the telescopic supporting structure is detachably connected with an intermediate connecting piece used for being connected with an object to be hung, the telescopic supporting structure comprises an upper connecting arm, a lower connecting arm and a front connecting arm, the upper connecting arm, the lower connecting arm, the front connecting arm and the back plate form a hinge four-bar mechanism, the back plate is a rack of the four-bar hinge mechanism, the upper connecting arm and the lower connecting arm are two connecting rods of the four-bar hinge mechanism, the front connecting arm is a rod in the four-bar hinge mechanism, the rod is opposite to the rack, the front connecting arm or the upper connecting arm and the surface of the back plate are respectively hinged to two ends of the telescopic support propping mechanism, and the telescopic support propping mechanism at least comprises a limiting station used for limiting the distance between the front connecting arm and the back plate. The adjustable wall hanging rack is compact in structure and beneficial to adjustment under different using states.

Description

Adjustable telescopic wall hanging rack for hanging articles

The technical field is as follows:

the utility model relates to an adjustable flexible wall mount for hanging article especially is applied to the hanging of electrical apparatus, furniture etc..

Background art:

at present, a plurality of wall hanging racks for electric appliances, furniture and the like exist in the market, such as patent numbers: 201820994078.3, title of the invention: the wall hanging rack for the display screen comprises a first connecting mechanism, a middle connecting mechanism and a second connecting mechanism, wherein the first connecting mechanism is connected to the wall and comprises a wall plate connected to the wall and a connecting frame capable of sliding relative to the wall plate; as another example, patent No.: 201920525040.6, title of the invention: the wall hanging rack has the advantages that although the structure is simplified, the wall hanging rack cannot be adjusted, and the operation of data interfaces such as a display and a television is inconvenient.

The invention content is as follows:

in view of the deficiencies of the prior art, an object of the present invention is to provide an adjustable and retractable wall hanging rack for hanging articles, which is compact in structure and convenient to adjust.

The utility model is used for hang adjustable flexible wall mount frame of article, its characterized in that: including the backplate of connection on the wall with establish at least a set of flexible bearing structure on the backplate surface, releasable connection has the intermediate junction spare that is used for with waiting to hang the article and be connected on the flexible bearing structure, flexible bearing structure includes linking arm, lower linking arm and preceding linking arm, go up linking arm, lower linking arm, preceding linking arm and backplate formation hinge four-bar linkage, wherein the backplate is hinge four-bar linkage's frame, goes up the linking arm, down the linking arm is hinge four-bar linkage's two connecting rods, preceding linking arm is the pole relative with the frame in the hinge four-bar linkage, preceding linking arm or go up the linking arm and articulate respectively in the both ends that flexible support withstood the mechanism with the backplate surface, flexible support withstood the mechanism and has one at least and be used for limiting the spacing station of.

Furthermore, at least the front connecting arm of the upper connecting arm, the lower connecting arm and the front connecting arm is a flat strip-shaped groove-shaped component, and when the front connecting arm is close to the back plate, the front connecting arm covers the upper connecting arm and the lower connecting arm respectively.

Furthermore, the upper connecting arm and the lower connecting arm are not overlapped in the length direction, and the telescopic support propping mechanism is hinged between the free end of the upper connecting arm and the surface of the back plate.

Furthermore, the middle connecting piece is a flat bar-shaped connecting piece, the front side of the middle connecting piece is locked on the back side of the object to be hung, the middle connecting piece is sunk into a second channel of the front connecting arm, the second channel and a first channel used for covering the upper connecting arm and the lower connecting arm are arranged in a staggered mode, and notches of the first channel and the second channel are opened in opposite directions.

Furthermore, the middle connecting piece is locked on the back of the object to be hung through a screw, the upper end of the middle connecting piece is provided with a hook groove which is hooked on the upper edge of the second channel of the front connecting arm, and the lower end of the middle connecting piece is locked and fixed with the front connecting arm through a screw; the telescopic support propping mechanism is one of an air push rod, an air spring or a straight support rod.

Furthermore, the telescopic support propping mechanism comprises a bottom groove plate, an upper cover plate, and an active sliding plate and a passive sliding plate which are arranged between the bottom groove plate and the upper cover plate, wherein the bottom groove plate and the upper cover plate are provided with opposite limit groove channels, the limit groove channels are at least provided with a limit notch, the first end of the bottom groove plate is hinged with the back plate, the second end of the active sliding plate is hinged with the upper connecting arm, the active sliding plate is provided with a first through hole, the passive sliding plate is provided with a second through hole, a limit hook piece is arranged in the first through hole, two surfaces of the limit hook piece are provided with cylindrical shafts limited in the limit groove channels, a spring is arranged between the side part of the limit hook piece and the inner wall of the first through hole, a hinged shaft of the first end of the bottom groove plate is hinged on the through hole of the first side wall piece at two sides of the bottom groove plate, a hinged shaft of the second end of the active sliding plate is hinged on, the first side wall sheet and the second side wall sheet are both vertical to the bottom surface of the bottom groove plate; the first end of the active sliding plate is provided with a hook block, and the passive sliding plate is provided with a concave groove which is matched with the hook block to realize passive movement; the inner walls of the limiting hook sheet and the first through hole are provided with convex buttons of a limiting spring; the upper deck second end has an extended tab.

Furthermore, the lower end part of the front connecting arm is provided with a lower side wall plate sheet for hinging with the hinging shaft, the lower side wall plate sheet is provided with a lower through hole for hinging, the lower through holes on the lower side wall plate sheets are coaxial, and the lower end part of the front connecting arm is hinged with the free end of the lower connecting arm through the hinging shaft; the middle upper part of the front connecting arm is provided with an upper side wall plate sheet for hinging with the hinging shaft, the upper side wall plate sheet is provided with an upper through hole for hinging, the upper through holes on the upper side wall plates are coaxial, and the middle upper part of the front connecting arm is hinged with the free end of the upper connecting arm; the lower end part of the second channel is provided with an inclined strut sheet for supporting the lower part of the middle connecting piece, and the inclined strut sheet and/or the side wall surface of the second channel is provided with a screw through hole for locking the middle connecting piece; outer side wall plates are arranged on two outer sides of the first channel and the second channel, the first channel and the second channel share a middle wall plate, and the lower side wall plate is an extension on the outer side wall plate and the middle wall plate; the depth of the upper end groove of the second channel is relatively shallower than that of the lower end groove.

Furthermore, the lower connecting arm is provided with two parallel channels which are staggered, and the notches of the two channels are opened in opposite directions; one end part of the lower connecting arm is provided with a lower side wall plate sheet for hinging with the hinging shaft, the lower side wall plate sheet is provided with a lower through hole for hinging, and the lower through holes on the lower side wall plate sheets are coaxial; the other end of the lower connecting arm is provided with an upper side wall plate sheet for hinging with the hinging shaft, the upper side wall plate sheet is provided with an upper through hole for hinging, the upper through holes on the upper side wall plate sheets are coaxial, and the channel is provided with a notch for avoiding the telescopic support to prop against the mechanism; the upper connecting arm is provided with a single channel or two parallel staggered channels, and the two parallel staggered channels are provided with notches opening in opposite directions; two end parts of the upper connecting arm are provided with side wall plate pieces for hinging with the hinging shaft, the side wall plate pieces are provided with through holes for hinging, and the through holes on the side wall plate pieces are coaxial; the channel is provided with an avoiding notch, two connecting wallboards are arranged beside the avoiding notch, the connecting wallboards are also provided with through holes, and the second end of the active sliding plate of the telescopic support propping mechanism is hinged on the through holes of the connecting wallboards through a hinged shaft; the length of the lower connecting arm is longer than that of the upper connecting arm.

Furthermore, a self-locking groove is formed in the wallboard hinged with the back plate and the lower connecting arm, and when the free end of the upper connecting arm and a hinged shaft of the telescopic support propping against the free end of the mechanism are close to the back plate, the hinged shaft is limited in the groove; and a gap is formed between the hinge shaft of the upper connecting arm and the back plate and the through hole for hinging the hinge shaft.

The utility model relates to a working method of an adjustable telescopic wall hanging rack for hanging articles, which comprises a back plate connected on the wall surface and at least one group of telescopic supporting structures arranged on the surface of the back plate, the telescopic supporting structure is detachably connected with an intermediate connecting piece used for being connected with an object to be hung, the telescopic supporting structure comprises an upper connecting arm, a lower connecting arm and a front connecting arm, the upper connecting arm, the lower connecting arm, the front connecting arm and the back plate form a hinge four-bar mechanism, the back plate is a rack of the hinge four-bar mechanism, the upper connecting arm and the lower connecting arm are two connecting rods of the hinge four-bar mechanism, the front connecting arm is a rod in the hinge four-bar mechanism, the front connecting arm or the upper connecting arm and the surface of the back plate are respectively hinged to two ends of the telescopic support propping mechanism, and the telescopic support propping mechanism is at least provided with a limiting station for limiting the distance between the front connecting arm and the back plate; before installation, the middle connecting piece is separated from the telescopic supporting structure, the front connecting arm of the telescopic supporting structure is positioned at a position far away from the back plate, the position is a limiting station of the telescopic supporting propping mechanism, during installation, the middle connecting piece is fixed on the back of an object to be hung, and then the middle connecting piece connected with the object to be hung is detachably connected on the front connecting arm; to make the front connecting arm and the object to be hung close to the backboard, the object to be hung and the front connecting arm are moved a section in the direction relatively far away from the backboard, and then the object to be hung and the front connecting arm are pushed towards the backboard, so that the object to be hung and the front connecting arm are close to the backboard.

The utility model is used for hang adjustable flexible wall mount's of article theory of operation:

the utility model discloses adjustable wall mount frame is through last linking arm, lower linking arm, preceding linking arm forms hinge four-bar linkage with the backplate, it can be in the different states of pressing close to or keeping away from with the backplate to use in the installation to wait to hang the preceding linking arm of article, linking arm and backplate are in when keeping away from the state in the front, conveniently treat the data interface who hangs the article etc. and operate, and linking arm and backplate are in when pressing close to the state in the front, can reduce and wait to hang the shared space of article and this wall mount frame, therefore, adjustable wall mount frame compact structure of this application, be favorable to making things convenient for the regulation under the different user state.

Description of the drawings:

fig. 1 is a schematic perspective view of a first embodiment of the present invention (a set of telescopic supporting structures is in an expanded state);

fig. 2 is a schematic perspective view of a second embodiment of the present invention (two sets of telescopic supporting structures are in an expanded state);

FIG. 3 is a schematic view of the closed configuration of the two sets of telescoping support structures of FIG. 2;

FIG. 4 is a partial exploded view of FIG. 3;

FIG. 5 is a partial exploded view of FIG. 3;

FIG. 6 is a perspective view of the front connecting arm;

FIG. 7 is a perspective view of the front link arm from another perspective;

FIG. 8 is a perspective view of one embodiment of upper and lower link arms;

FIG. 9 is an alternative embodiment to that of FIG. 4 (except that the upper connecting arm is two channels);

FIG. 10 is a perspective view of the telescoping support hold down mechanism;

FIG. 11 is an exploded view of FIG. 10;

fig. 12 is a side view of the installation state of the present invention;

fig. 13 is a cross-sectional view of the closed state of the present invention.

The specific implementation mode is as follows:

the method of the present invention will be described in further detail with reference to examples. It should be noted that the protection scope of the present invention should include, but not be limited to, the technical content disclosed in the present embodiment.

The utility model discloses an adjustable flexible wall mount frame for hanging article, including connecting backplate 1 on wall A and establishing 1 at least a set of flexible bearing structure 2 on the surface at the backplate, this flexible bearing structure 2 can select a set of, two sets of or three groups, four groups, multiunit even according to size, the weight of waiting to hang article 3, detachable connections has and is used for and waits to hang the intermediate junction spare 4 that the article is connected on the flexible bearing structure 2, and this intermediate junction spare 4 is earlier with waiting to hang article 3 and connect fixed after hanging put on flexible bearing structure 2 again.

The telescopic supporting structure 2 comprises an upper connecting arm 5, a lower connecting arm 6 and a front connecting arm 7, the upper connecting arm 5, the lower connecting arm 6, the front connecting arm 7 and the backboard 1 form a hinged four-bar mechanism, wherein the backboard is a frame of the hinged four-bar mechanism (the number of a wall sheet on the backboard, which is directly connected with the upper connecting arm, the lower connecting arm and the front connecting arm is 100), the upper connecting arm and the lower connecting arm are two connecting rods of the hinged four-bar mechanism, the front connecting arm is a rod opposite to the frame in the hinged four-bar mechanism, the upper connecting arm, the lower connecting arm and the front connecting arm can be just solid rods, but the solid rods have weaker mechanical property under the same mass.

The object to be hung can be a display, a liquid crystal display, a mural, furniture and the like, the back plate 1, the upper connecting arm 5, the lower connecting arm 6, the front connecting arm 7 and the like can be made of metal materials, certainly, the back plate 1 can be made of plastics and other materials capable of meeting the mechanical property requirement, the back plate 1 is locked on the wall surface A through a reserved through hole by using a screw and the like, and the surface of the back plate 1 refers to the surface opposite to the surface attached to the wall surface (namely, the surface of the end indicated by the reference numeral 1 in fig. 1, 2 and 3).

The front connecting arm 7 or the upper connecting arm 5 and the surface of the back plate 1 are respectively hinged at two ends of a telescopic support propping mechanism 8, the telescopic support propping mechanism 8 at least has a limiting station for limiting the distance between the front connecting arm 7 and the back plate 1, the telescopic support propping mechanism can be an air push rod, an air spring or a straight supporting rod and the like, the telescopic support propping mechanisms can be applied to the application, the installation positions of the telescopic support propping mechanisms can be positioned at the inner position between the back surface of the front connecting arm and the surface of the back plate (namely covering the channel of the front connecting arm, the upper connecting arm and the lower connecting arm) or at the side position of the front connecting arm or the upper connecting arm (namely being arranged on the side wall plates of the front connecting arm, the upper connecting arm and the lower connecting arm), the telescopic support propping mechanisms at least have a limiting station for limiting the distance between the front connecting arm and the back plate, namely the telescopic support propping, the front connecting arm is positioned at a position far away from the back plate (the limit station refers to the position of the front connecting arm far away from the back plate), the telescopic support propping mechanisms (the air push rod, the air spring or the straight supporting rod and the straight pull rod) refer to the stations at which the front connecting arm and the back plate are positioned, except for the limit station, the telescopic support propping mechanisms (the air push rod, the air spring or the straight supporting rod and the straight pull rod) have a furled position, the furled position enables the front connecting arm to be close to the back plate, and the telescopic support propping mechanisms can also be called as telescopic limiting rods, telescopic limiting mechanisms or telescopic limiting propping mechanisms.

In order to make the telescopic supporting structure more compact, light and thin, at least the front connecting arm in the upper connecting arm, the lower connecting arm and the front connecting arm is a flat bar-shaped groove-shaped component, the flat bar-shaped groove-shaped component is a flat bar-shaped component with a groove channel, the groove channel (a first groove channel and a second groove channel) is arranged along the length direction of the connecting arm and can be through or not through, and the upper connecting arm and the lower connecting arm can be flat bar-shaped groove-shaped components or flat bar-shaped solid rod pieces (solid flat bars) and flat bar-shaped hollow tube rod pieces (hollow flat tubes); no matter go up the linking arm, lower linking arm is which kind of component, as long as can realize when preceding linking arm and backplate are pressed close to, preceding linking arm can cover respectively to last linking arm under and on the linking arm can, the width size of preceding linking arm channel (first channel) needs to be greater than the linking arm promptly, the size of linking arm down (be link up when first channel, then the length size of first channel can be greater than, be equal to or less than the total length of linking arm under and linking arm, and be closed when first channel both ends, then the length size of first channel needs to be greater than or equal to the total length of linking arm under and linking arm), just can go up the linking arm, the linking arm covers completely down, thereby at last linking arm, linking arm and preceding linking arm thickness obtain effective control down.

When the upper connecting arm and the lower connecting arm are not overlapped in the length direction, the upper connecting arm and the lower connecting arm are completely covered by the channel of the front connecting arm, and the upper connecting arm and the lower connecting arm cannot be superposed in the thickness direction, so that the thickness of the upper connecting arm and the lower connecting arm can be effectively controlled, the telescopic support propping mechanism is hinged between the free end of the upper connecting arm and the surface of the backboard, the telescopic support propping mechanism can be hinged between the bottom surface of the channel of the front connecting arm and the surface of the backboard, but the length of the front connecting arm needs to be longer than that of the telescopic support propping mechanism which is hinged between the free end of the upper connecting arm and the surface of the backboard, and the material used; the telescopic support propping mechanism is parallel to a hinged shaft of the upper connecting arm and close to the surface of the front connecting arm, and the telescopic support propping mechanism is parallel to a hinged shaft of the surface of the back plate and close to the surface of the back plate.

The middle connecting piece 4 is a flat bar-shaped connecting piece, which can be a flat bar-shaped groove-shaped member, or a flat bar-shaped solid rod piece or a flat bar-shaped hollow tube rod piece, the front side of the middle connecting piece is locked on the back side of the object to be hung, the middle connecting piece can be locked on the back side of the object to be hung through a screw, and the middle connecting piece is sunk in the second channel 702 of the front connecting arm 7, the second channel 702 is arranged in a staggered way with the first channel 701 for covering the upper connecting arm and the lower connecting arm (the staggered way means that the front connecting arm is staggered and not overlapped in the width direction), the front connecting arm adopts a design with the first channel and the second channel, the thickness of the mechanism can be thinned, which is a preferred embodiment, and if the second channel is not designed, the middle connecting piece is directly hung on the back side (the side opposite to the back side) of the, the overall thickness of the mechanism is approximately twice that of the preferred embodiment (the front connecting arm is provided with the first channel and the second channel, and the middle connecting piece is sunk into the second channel of the front connecting arm); in addition, the front connecting arm is provided with the first channel and the second channel, so that the size of the front connecting arm in the width direction is increased, and the improvement of the torsion resistance of the mechanism is facilitated. The first and second channels may be parallel or slightly inclined.

The middle connecting piece 4 is locked on the back of the object to be hung by a screw, the upper end of the middle connecting piece is provided with a hook groove 401 which is buckled on the upper edge of the front connecting arm second channel 702, the lower end of the middle connecting piece is locked and fixed with the front connecting arm by a screw, the hook groove is hooked on the upper edge of the second channel of the front connecting arm, and the lower end of the hook groove is locked and fixed with the front connecting arm through a screw, so that the connection and fixation of the middle connecting piece and the connected object to be hung can be realized, the connection is stable and reliable, when the wall hanging rack is unfolded or closed, a user needs to hold the hanging object and move the hanging object to the direction of the backboard and the direction opposite to the backboard, or moves upward parallel to the surface of the back plate, and therefore requires the intermediate link to be locked with the front link arm, and, in operation, the force applied to the suspended object is transferred to the middle connecting piece and the front connecting arm, so that the front connecting arm moves in the direction away from or close to the back plate.

The lower end of the middle connecting piece is locked and fixed with the front connecting arm through a screw, the lower end of the middle connecting piece can pass through an inclined strut sheet 703 at the lower end of the second channel, a screw through hole 712 for locking the screw is arranged on the inclined strut sheet 702 and/or an outer side wall plate 710 of the second channel, and a screw hole 402 for locking the screw is arranged at the lower part of the middle connecting piece.

The first channel is provided with an avoidance groove 713 for avoiding the second end of the active sliding plate, and the avoidance groove 713 is arranged to avoid interference with the second end of the active sliding plate, so that the mechanism can be thinner.

The telescopic support propping mechanism can adopt a gas push rod, a gas spring or a straight supporting rod and the like, the gas push rod, the gas spring or the straight supporting rod can meet the use requirements of the telescopic support propping mechanism, and the purposes of lightness, thinness and compactness of the telescopic support propping mechanism are achieved.

This application provides an improvement structure to current word bracing piece, specifically as follows: the telescopic supporting and propping mechanism 8 comprises a bottom groove plate 801, an upper cover plate 802, and an active sliding plate 803 and a passive sliding plate 804 which are arranged between the bottom groove plate and the upper cover plate, wherein the bottom groove plate and the upper cover plate are provided with opposite limit groove channels 805, the limit groove channels are provided with at least one limit notch 806, the first end of the bottom groove plate is hinged with the back plate, the second end of the active sliding plate 803 is hinged with the upper connecting arm 5, the active sliding plate 803 is provided with a first through hole 807, the passive sliding plate 804 is provided with a second through hole 808, the first through hole 807 is internally provided with a limit hook sheet 809, two surfaces of the limit hook sheet 809 are provided with a cylindrical shaft 810 limited in the limit groove channels, a spring 811 is arranged between the side part of the limit hook sheet 809 and the inner wall of the first through hole, a first hinge shaft 812 at the first end of the bottom groove plate is hinged on the through holes of the first side wall sheets, the second hinge shaft 814 at the second end of the driving sliding plate is hinged to the through hole of the second side wall 815 at the two sides of the driving sliding plate, the first side wall 813 and the second side wall 815 are both perpendicular to the bottom surface of the bottom channel plate 801, the first side wall and the second side wall are both provided with hinge through holes for hinge, and the axis of the hinge through holes is parallel to the bottom surface of the bottom channel plate and perpendicular to the sliding direction of the driving sliding plate.

Further, the first end of the active sliding plate 803 is provided with a hook block 816, the passive sliding plate is provided with a concave groove 817 which is matched with the hook block 816 to realize passive movement, and the matching of the hook block 816 and the concave groove 817 is beneficial for the active sliding plate to drive the passive sliding plate to move together in one direction.

Furthermore, the limiting hook sheet and the inner wall of the first through hole are both provided with a convex button 818 of the limiting spring 811, and the spring can work more stably and reliably through the convex button 818.

Further, the second end of the upper cover plate has an extension tab 819, the width of the extension tab 819 is smaller than the relative distance between the two second side wall pieces 815, so that interference between the second side wall pieces and the second hinge shaft 814 can be avoided, the extension tab can increase the effective stroke, and is beneficial to increasing the supporting contact surface of the bottom slot plate on the active sliding plate and the passive sliding plate, so that the supporting effect and the stability are good.

The working principle of the telescopic support propping mechanism is that the active sliding plate moves outwards after being pulled by the free end of the upper connecting arm, and meanwhile, the pulling passive sliding plate slides between the bottom groove plate and the upper cover plate together, when the limiting hook sheet moves to the limiting groove opening, the cylindrical shaft is pushed into the limiting groove opening by the spring, the active sliding plate can not retract (the station is the limiting station of the telescopic support propping mechanism), only when the active sliding plate continues to move outwards for one section, the passive sliding plate retracts, the cylindrical shaft is blocked outside the limiting groove opening, the cylindrical shaft can not enter the limiting groove opening, and the active sliding plate can continue to retract until retracting to the collecting station.

For the convenience of hinging, the lower end part of the front connecting arm 7 is provided with a lower side wall plate 704 for hinging with a third hinging shaft, the lower side wall plate is provided with a lower through hole 705 for hinging, the lower through holes on the lower side wall plates are coaxial, and the lower end part of the front connecting arm is hinged with the free end of the lower connecting arm through a third hinging shaft 706; the middle upper part of the front connecting arm is provided with an upper side wall plate 708 which is hinged with a second hinge shaft 814, the upper side wall plate is provided with an upper through hole 709 which is hinged, the upper through holes 709 of the upper side wall plates are coaxial, the middle upper part of the front connecting arm 7 is hinged with the free end of the upper connecting arm 5, two outer sides of the first channel and the second channel are provided with outer side wall plates 710, the first channel and the second channel share a middle wall plate 711, and the lower side wall plate 704 is an extension on the outer side wall plate 710 and the middle wall plate 711; the depth of the upper end groove of the second channel is relatively shallow compared with the depth of the lower end groove, namely, the groove bottom and the outer side wall plate of the second channel are obliquely arranged, the depth of the upper end groove of the second channel is shallow so as to enable the hook groove 401 at the upper end of the middle connection 4 to have a space for hooking, the depth of the lower end groove of the second channel is deep, the inclined support piece and the side wall surface of the second channel are favorably arranged to be provided with the screw through hole 712, and the side part of the lower connecting arm is provided with the avoiding groove 602 for avoiding the locking screw.

The upper end and the lower end mentioned in the application refer to the view of fig. 12, the upper end is the upper position in the figure, the lower end is the lower position in the figure, and the free end of the upper connecting arm, the lower connecting arm and the telescopic support propping mechanism refers to the end of the upper connecting arm, the lower connecting arm and the telescopic support propping mechanism far away from the backboard.

For good support, the lower connecting arm 6 has a single slot, or two parallel offset slots with notches opening in opposite directions, and the lower connecting arm has two parallel offset slots 601 with notches opening in opposite directions, and has substantially the same structure and advantages as the front connecting arm.

One end of the lower connecting arm is provided with a lower side wall plate sheet for hinging with the hinging shaft, the lower side wall plate sheet is provided with a lower through hole for hinging, and the lower through holes on the lower side wall plate sheets are coaxial; the other end of the lower connecting arm is provided with an upper side wall plate sheet for hinging with the hinging shaft, the upper side wall plate sheet is provided with an upper through hole for hinging, the upper through holes on the upper side wall plates are coaxial, and the channel is provided with a notch for avoiding the telescopic support to prop against the mechanism.

For good supporting effect, the upper connecting arm is provided with a single channel or two parallel and staggered channels, notches of the two channels are opened in opposite directions, the upper connecting arm is provided with two parallel and staggered channels, the notches of the two channels are opened in opposite directions, the structure of the upper connecting arm is basically the same as that of the front connecting arm, the upper connecting arm is provided with a single channel, installation is more convenient, and the stability of the two parallel and staggered channel mechanisms is better.

Further, the two ends of the upper connecting arm 5 are provided with side wall plates 501 for hinging with the hinging shaft, the side wall plates are provided with through holes 502 for hinging, and the through holes on the side wall plates are coaxial; the channel is provided with an avoiding notch 503, two connecting wall plates 504 are arranged beside the avoiding notch, the connecting wall plates 504 are also provided with through holes, and the second ends of the active sliding plates of the telescopic supports propping mechanism are hinged on the through holes of the connecting wall plates 504 through second hinged shafts 814.

Further, in order to facilitate the installation operation of the lower interface of the display in the unfolded state of the telescopic supporting structure 2, the length of the lower connecting arm is longer than that of the upper connecting arm, and when the length of the lower connecting arm is longer than that of the upper connecting arm, after the telescopic supporting structure is unfolded, the distance between the lower portion of the display and the surface of the backboard is larger, so that the telescopic supporting structure is more convenient to operate, but the lengths of the upper connecting arm and the lower connecting arm can also be equal.

Furthermore, in order to stabilize and prevent the back plate 1 from swaying when the telescopic support structure 2 and the suspended object are closed, a self-locking groove 102 is formed on the wall plate 101 hinged with the lower connecting arm, and when the free end of the upper connecting arm and the second hinge shaft 814 of the telescopic support abutting against the free end of the mechanism are close to the back plate, the second hinge shaft 814 is limited in the groove 102.

Furthermore, the fourth hinge shaft 103 of the upper connecting arm and the back plate has a gap with the through hole 104 for hinge connection, and the gap can facilitate the hinge shaft to be separated from the groove when the suspended object is pulled out to drive the front connecting arm and the upper connecting arm to be lifted.

In order to make the thickness of the mechanism thinner, avoiding grooves are formed in the front connecting arm, the upper connecting arm and the lower connecting arm, the avoiding grooves can be rectangular, circular, oval and the like, and the specific shape can be obtained by avoiding interference when the front connecting arm, the upper connecting arm and the lower connecting arm are superposed.

The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.

Claims

1. An adjustable flexible wall hanger for hanging articles, characterized in that: including the backplate of connection on the wall with establish at least a set of flexible bearing structure on the backplate surface, releasable connection has the intermediate junction spare that is used for with waiting to hang the article and be connected on the flexible bearing structure, flexible bearing structure includes linking arm, lower linking arm and preceding linking arm, go up linking arm, lower linking arm, preceding linking arm and backplate formation hinge four-bar linkage, wherein the backplate is hinge four-bar linkage's frame, goes up the linking arm, down the linking arm is hinge four-bar linkage's two connecting rods, preceding linking arm is the pole relative with the frame in the hinge four-bar linkage, preceding linking arm or go up the linking arm and articulate respectively in the both ends that flexible support withstood the mechanism with the backplate surface, flexible support withstood the mechanism and has one at least and be used for limiting the spacing station of.

2. The adjustable telescoping wall hanger for hanging items according to claim 1, wherein: at least the front connecting arm in the upper connecting arm, the lower connecting arm and the front connecting arm is a flat strip-shaped groove-shaped component, and when the front connecting arm is close to the back plate, the front connecting arm covers the upper connecting arm and the lower connecting arm respectively.

3. The adjustable telescoping wall hanger for hanging items according to claim 2, wherein: the upper connecting arm and the lower connecting arm are not overlapped in the length direction, the telescopic support propping mechanism is hinged between the free end of the upper connecting arm and the surface of the back plate, and the front connecting arm covers the telescopic support propping mechanism at the same time.

4. An adjustable telescopic wall hanger for hanging articles according to claim 2 or 3, characterised in that: the middle connecting piece is a flat bar-shaped connecting piece, the front side of the middle connecting piece is locked on the back side of an object to be hung, the middle connecting piece is sunk in a second channel of the front connecting arm, the second channel and a first channel used for covering the upper connecting arm and the lower connecting arm are arranged in a staggered mode, and notches of the first channel and the second channel are opened in opposite directions.

5. The adjustable telescoping wall hanger for hanging items according to claim 4, wherein: the middle connecting piece is locked on the back of the object to be hung through a screw, the upper end of the middle connecting piece is provided with a hook groove which is hooked on the upper edge of the second channel of the front connecting arm, and the lower end of the middle connecting piece is locked and fixed with the front connecting arm through a screw.

6. The adjustable telescoping wall hanger for hanging items according to claim 5, wherein: the telescopic supporting and propping mechanism comprises a bottom groove plate, an upper cover plate, and an active sliding plate and a passive sliding plate which are arranged between the bottom groove plate and the upper cover plate, wherein the bottom groove plate and the upper cover plate are provided with opposite limit groove channels, the limit groove channels are at least provided with a limit groove opening, the first end of the bottom groove plate is hinged with a back plate, the second end of the active sliding plate is hinged with an upper connecting arm, the active sliding plate is provided with a first through hole, the passive sliding plate is provided with a second through hole, a limit hook piece is arranged in the first through hole, two surfaces of the limit hook piece are provided with cylindrical shafts limited in the limit groove channels, a spring is arranged between the side part of the limit hook piece and the inner wall of the first through hole, a hinged shaft at the first end of the bottom groove plate is hinged on the through hole of the first side wall piece at two sides of the bottom groove plate, a hinged shaft at the second end of the active sliding, the first side wall sheet and the second side wall sheet are both vertical to the bottom surface of the bottom groove plate; the first end of the active sliding plate is provided with a hook block, and the passive sliding plate is provided with a concave groove which is matched with the hook block to realize passive movement; the inner walls of the limiting hook sheet and the first through hole are provided with convex buttons of a limiting spring; the second end of the upper cover plate is provided with an extending lug, the width of the extending lug is smaller than the distance between the second side wall sheets on both sides of the first end of the driving sliding plate, so that the extending lug can pass through the second side wall sheets on both sides when the driving sliding plate is contracted, and the hinged shaft on the second side wall sheets can avoid the extending lug.

7. An adjustable telescopic wall hanger for hanging items according to claim 1, 2 or 3, wherein: the lower end part of the front connecting arm is provided with a lower side wall plate sheet for hinging with the hinging shaft, the lower side wall plate sheet is provided with a lower through hole for hinging, the lower through holes on the lower side wall plate sheets are coaxial, and the lower end part of the front connecting arm is hinged with the free end of the lower connecting arm through the hinging shaft; the middle upper part of the front connecting arm is provided with an upper side wall plate sheet for hinging with the hinging shaft, the upper side wall plate sheet is provided with an upper through hole for hinging, the upper through holes on the upper side wall plates are coaxial, and the middle upper part of the front connecting arm is hinged with the free end of the upper connecting arm; the lower end part of the second channel of the front connecting arm is provided with an inclined strut piece for supporting the lower part of the middle connecting piece, the side wall surface of the inclined strut piece and/or the second channel is provided with a screw through hole for locking the middle connecting piece, and the lower part of the middle connecting piece is provided with a screw hole for locking a screw; outer side wall plates are arranged on two outer sides of the first channel and the second channel, the first channel and the second channel share a middle wall plate, and the lower side wall plate is an extension on the outer side wall plate and the middle wall plate; the depth of the upper end groove of the second channel is relatively shallow compared with the depth of the lower end groove, namely the second channel is obliquely arranged, so that the hook groove at the upper end of the intermediate connection is provided with a space for the hook buckle.

8. The adjustable telescoping wall hanger for hanging items according to claim 7, wherein: the lower connecting arm is provided with two parallel staggered channels, and notches of the two channels are opened in opposite directions; one end part of the lower connecting arm is provided with a lower side wall plate sheet for hinging with the hinging shaft, the lower side wall plate sheet is provided with a lower through hole for hinging, and the lower through holes on the lower side wall plate sheets are coaxial; the other end of the lower connecting arm is provided with an upper side wall plate sheet for hinging with the hinging shaft, the upper side wall plate sheet is provided with an upper through hole for hinging, the upper through holes on the upper side wall plates are coaxial, and the channel is provided with a notch for avoiding the telescopic support to prop against the mechanism.

9. The adjustable telescoping wall hanger for hanging items according to claim 8, wherein: the upper connecting arm is provided with a single channel or two parallel staggered channels, and the two parallel staggered channels are provided with notches opening in opposite directions; two end parts of the upper connecting arm are provided with side wall plate pieces for hinging with the hinging shaft, the side wall plate pieces are provided with through holes for hinging, and the through holes on the side wall plate pieces are coaxial; the channel is provided with an avoiding notch, two linking wallboards are arranged beside the avoiding notch, the linking wallboards are also provided with through holes, and the second end of the driving sliding plate of the telescopic support propping mechanism is hinged to the through hole of the linking wallboard of the upper connecting arm through a hinge shaft.

10. The adjustable telescoping wall hanger for hanging items according to claim 1, wherein: a self-locking groove is formed in the wallboard hinged with the lower connecting arm and the back plate, and when the free end of the upper connecting arm and the hinged shaft of the telescopic support propping against the free end of the mechanism are close to the back plate, the hinged shaft is limited in the groove; the hinge shaft of the upper connecting arm and the back plate is provided with a gap with the through hole for hinging; the back plate is provided with one group, two groups or a plurality of groups of telescopic supporting structures.