CN111761984B

CN111761984B - Auxiliary device for mounting painting and calligraphy

Info

Publication number: CN111761984B
Application number: CN202010694413.XA
Authority: CN
Inventors: 陈惠娥; 吴炎太; 邓振杰
Original assignee: Guangdong University Of Finance
Current assignee: Guangdong University Of Finance
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2022-04-29
Anticipated expiration: 2040-07-17
Also published as: CN111761984A

Abstract

The invention provides an auxiliary device for mounting painting and calligraphy, which comprises a first supporting rod, a second supporting rod, a connecting rod assembly and a plurality of supporting seats, wherein the first supporting rod and the second supporting rod are arranged in parallel, two ends of the connecting rod assembly are respectively connected with the first supporting rod and the second supporting rod, the supporting seats are respectively connected with two ends of the first supporting rod and two ends of the second supporting rod, abutting parts extend towards the direction of a wall body and abut against the wall body. The telescopic hanging shaft can be used for telescopic hanging of paintings and calligraphy according to different sizes, convenience is achieved, space is saved, meanwhile, the nails are nailed in the positioning holes for positioning, then the hanging shaft is carried out after the device is removed, troubles of the problem that the nails at two ends are not located on the same horizontal line and the like can be reduced, and the telescopic hanging shaft is strong in overall structure adjustability, high in precision and simple and convenient to operate.

Description

Auxiliary device for mounting painting and calligraphy

Technical Field

The invention relates to the field of book and painting framing, in particular to an auxiliary device for mounting books and paintings.

Background

The traditional painting and calligraphy works mounting frame wall painting hanging picture is framed by solid wood, has different sizes and does not have universality. Moreover, in the conventional hanging method, two nails are nailed on the wall and then hung on the wall, the problem that the two ends are difficult to balance and focus appears along with the larger size, and the nailed nails are not always on the same horizontal line, which brings certain difficulty for hanging calligraphy and painting.

Disclosure of Invention

The present invention proposes an auxiliary device for mounting painting and calligraphy to solve the problems,

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

the utility model provides an auxiliary device that mounting painting and calligraphy was used, includes first bracing piece, second bracing piece, connecting rod subassembly, a plurality of supporting seat, first bracing piece with second bracing piece parallel arrangement, the both ends of connecting rod subassembly respectively with first bracing piece and the second bracing piece is connected, a plurality of the supporting seat connect respectively in the both ends of first bracing piece and the both ends of second bracing piece, the supporting seat has butt portion, each toward the extension of wall body direction butt portion and wall body butt.

The auxiliary device for mounting the painting and calligraphy is optional, the connecting rod assembly comprises a first connecting rod and a second connecting rod, the second connecting rod is provided with an inner cavity matched with the first connecting rod, the first connecting rod is connected in the inner cavity of the second connecting rod in a sliding mode, one end, far away from the second connecting rod, of the first connecting rod is connected with the first supporting rod, and one end, far away from the first connecting rod, of the second connecting rod is connected with the second supporting rod.

In the auxiliary device for mounting painting and calligraphy, optionally, one end of the second connecting rod, which is far away from the second supporting rod, is provided with a limiting part, and the limiting part is configured to prevent the first connecting rod from being separated from the inner cavity of the second connecting rod.

Optionally, the second supporting rod and the first supporting rod have the same structure.

Optionally, the connecting rod assemblies are perpendicular to the first supporting rod and the second supporting rod.

The beneficial technical effects obtained by the invention are as follows:

1. by using the device, the telescopic hanging shaft can be used for carrying out telescopic hanging according to paintings and calligraphy of different sizes, and the device is convenient and saves places.

2. Through using this device, fix a position through nailing the nail on the locating hole, then remove and carry out the peg behind this device again, can reduce the both ends nail and not be in the puzzlement of the scheduling problem of same water flat line.

3. The whole structure has strong adjustability, high precision and simple and convenient operation.

Drawings

The invention will be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.

FIG. 1 is a schematic diagram of an auxiliary device for mounting painting and calligraphy in one embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a locking structure according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of an abutting portion according to an embodiment of the invention;

FIG. 4 is a schematic structural diagram of an abutting portion according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a fine-tuning structure according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of a telescopic rod according to an embodiment of the present invention;

FIG. 7 is a schematic sectional view taken along line A-A of a telescopic rod according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a sliding sleeve according to an embodiment of the present invention;

FIG. 9 is a schematic structural view of a telescopic rod according to an embodiment of the present invention;

fig. 10 is a schematic sectional view of a telescopic rod according to an embodiment of the present invention.

Description of reference numerals: 1. a first support bar; 2. a second support bar; 3. a connecting rod assembly; 31. a first connecting rod; 32. a second connecting rod; 321. a pawl; 322. a fulcrum; 323. a movable rod; 324. a button; 325. an extension rod; 326. a return spring; 4. a supporting seat; 401. a rotating shaft; 5. an abutting portion; 501. positioning holes; 502. an arc-shaped slot; 503. a notch; 504. a rotating shaft; 505. blocking; 506. a control lever; 6. a fine adjustment structure; 601. a first fixed seat; 602. a second fixed seat; 603. a telescopic rod; 604. a slide bar; 605. a sliding sleeve; 606. a clamping portion; 607. locking the nut; 608. a notch; 609. a first press cap; 610. a first spherical hinge; 611. a first stud; 612. a first fixing nut; 613. a screw head; 614. a chute; 615. a rib; 616. a second spherical hinge; 617. a second stud; 618. a second fixing nut; 619. and a second press cap.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to embodiments thereof;

the invention relates to an auxiliary device for mounting painting and calligraphy, which explains the following embodiments according to the description of the attached drawings:

the first embodiment is as follows:

an auxiliary device for mounting painting and calligraphy comprises a first supporting rod 1, a second supporting rod 2, a connecting rod assembly 3 and a plurality of supporting seats 4, wherein the first supporting rod 1 and the second supporting rod 2 are arranged in parallel, two ends of the connecting rod assembly 3 are respectively connected with the first supporting rod 1 and the second supporting rod 2, and the connecting rod assembly 3 is perpendicular to the first supporting rod 1 and the second supporting rod 2; the supporting seats 4 are respectively connected to two ends of the first supporting rod 1 and two ends of the second supporting rod 2, abutting parts 5 extend from the supporting seats 4 to the wall body direction, and each abutting part 5 abuts against the wall body; the connecting rod assembly 3 comprises a first connecting rod 31 and a second connecting rod 32, the second connecting rod 32 has an inner cavity matched with the first connecting rod 31, the first connecting rod 31 is slidably connected in the inner cavity of the second connecting rod 32, one end of the first connecting rod 31 far away from the second connecting rod 32 is connected with the first supporting rod 1, and one end of the second connecting rod 32 far away from the first connecting rod 31 is connected with the second supporting rod 2; one end of the second connecting rod 32, which is far away from the second support rod 2, is provided with a limiting part, and the limiting part is configured to prevent the first connecting rod 31 from being separated from the inner cavity of the second connecting rod 32; the whole second support rod 2 has the same structure as the first support rod 1. The position-limiting part (not shown) is a common means in the prior art, and is not described herein again.

Example two:

this embodiment should be understood to include at least all of the features of any of the embodiments described above and further explained on the basis thereof:

an auxiliary device for mounting painting and calligraphy, which comprises a first supporting rod 1, a second supporting rod 2, a connecting rod component 3 and a plurality of supporting seats 4, the first support rod 1 and the second support rod 2 are arranged in parallel, two ends of the connecting rod component 3 are respectively connected with the first support rod 1 and the second support rod 2, a plurality of support seats 4 are respectively connected with two ends of the first support rod 1 and two ends of the second support rod 2, the supporting seat 4 extends towards the wall body to form abutting parts 5, each abutting part 5 abuts against the wall body, the support seat 4 is connected with a hook which does not influence the contact between the abutting part 5 and the wall body, the hook is used for being mutually matched and connected with a hidden hanger on a wall to prevent the auxiliary device from falling off, and the auxiliary device can be used for mounting calligraphy and painting and fixing the hanging scroll. In order to realize the hanging scroll function, all open relative mounting hole on first bracing piece 1 and the second bracing piece 2, the mounting hole is used for being connected with the hanging scroll looks adaptation of painting and calligraphy, and the hanging scroll of prior art is cylindric structure usually, so the mounting hole can perfectly be connected with hanging scroll hole axle cooperation. The abutting part 5 comprises a disc structure abutting against a wall body, a positioning hole 501 perpendicular to the wall body is formed in the disc structure, the positioning hole 501 is used for positioning nails during nailing, an arc-shaped groove 502 is further formed in the disc structure, the arc-shaped groove 502 is communicated with the positioning hole 501, a notch 503 is formed in one side, opposite to the positioning hole 501, of the arc-shaped groove 502, the arc-shaped groove 502 is closer to the circle center than the positioning hole 501, a rotating shaft 401 extends out of the supporting seat 4, the rotating shaft 401 penetrates through the circle center of the abutting part 5, and the abutting part 5 is rotatably connected with the rotating shaft 401 and used for being detached from the wall when the auxiliary device is only used as an auxiliary device for mounting; a fine adjustment structure 6 is connected between the first support rod 1 and the support seat 4, the fine adjustment structure 6 includes a first fixing seat 601, a second fixing seat 602, and a plurality of telescopic rods 603 with two ends respectively hinged to the two fixing seats, each telescopic rod 603 is composed of a sliding rod 604 and a sliding sleeve 605 sleeved on the periphery of the sliding rod 604, and the telescopic rods 603 can be telescopically adjusted in the effective length of the sliding rod 604 and the sliding sleeve 605 by the matching connection of the sliding rod 604 and the sliding sleeve 605. One end of the sliding sleeve 605, which is inserted into the sliding rod 604, extends to form a clamping portion 606 for clamping the sliding rod 604, the end of the clamping portion 606 is externally threaded and is connected with a locking nut 607, the clamping portion 606 has a certain taper, the outer surface of the clamping portion is provided with a plurality of notches 608 along the length direction, and when the locking nut 607 is rotated to move backwards, the inner side of the clamping portion 606 can be pressed inwards to clamp and fix the sliding rod 604. The other end of the sliding sleeve 605 is also provided with an external thread, a first spherical hinge 610 is installed at the end of the sliding sleeve 605 by matching with a first pressing cap 609 provided with an internal thread, a first stud 611 is connected on the first spherical hinge 610, and the first stud 611 is connected to each fixed seat through a first fixing nut 612, so that the sliding sleeve 605 is hinged with each fixed seat. The outer end of the sliding rod 604 is a screw head 613 with a larger diameter and an external thread, the end of the screw head 613 is provided with a groove, a second spherical hinge 616 is installed at the end of the screw head 613 through a second pressing cap with an internal thread, a second stud 617 is connected to the second spherical hinge 616, and the second stud 617 is connected to the fixed seat through a second fixing nut 618, so that the sliding rod 604 is hinged to the fixed seat. At least one sliding groove 614 is formed on the surface of the sliding rod 604 along the length direction, and a rib 615 is formed on the inner side of the clamping portion 606 and is matched with the sliding groove 614, and the matching connection of the rib 615 and the sliding groove 614 can prevent the sliding sleeve 605 and the sliding rod 604 from rotating relatively when in use. The two fixing bases are both circular ring shaped, and each telescopic rod 603 is connected with each fixing base at a certain angle. Each fixing seat is also provided with a plurality of rotating grooves, and the rotating grooves are used for adjusting the supporting seat 4 and the first supporting rod 1 when being connected and can be connected through fasteners. The connection relationship between the fine adjustment device and the first support rod 1 and the support seat 4 is common in the prior art, and is not described herein again. The second support rod 2 is also connected with the fine adjustment structure 6.

In order to adapt to different lengths of hanging shafts, the connecting rod assembly 3 is designed to be adjustable in length, and specifically, the connecting rod assembly 3 includes a first connecting rod 31 and a second connecting rod 32, the second connecting rod 32 has an inner cavity matched with the first connecting rod 31, the first connecting rod 31 is slidably connected in the inner cavity of the second connecting rod 32, one end of the first connecting rod 31 away from the second connecting rod 32 is connected to the first supporting rod 1, and one end of the second connecting rod 32 away from the first connecting rod 31 is connected to the second supporting rod 2. In order to prevent the connecting rod assembly 3 from being lengthened due to unexpected factors during the movement of the auxiliary device, and further prevent the hanging shaft from falling off from the mounting hole, a locking structure is disposed between the first connecting rod 31 and the second connecting rod 32, the locking structure is used to prevent the first connecting rod 31 and the second connecting rod 32 from moving away from each other, the locking structure can be implemented by using a common structure of a bolt and a hole, in the preferred embodiment, the first connecting rod 31 and the second connecting rod 32 are rectangular rods, the locking structure is a ratchet structure, the locking structure includes a plurality of pawls 321 disposed in an inner cavity of the second connecting rod 32 and a rack structure disposed on the outer periphery of the first connecting rod 31 and engaged with the pawls 321, the inner cavity has a mounting cavity communicating with the outside, a disengaging mechanism connected with the pawl 321 is arranged in the mounting cavity, the disengaging mechanism is used for separating the pawl 321 from the rack structure so as to enable the first connecting rod 31 and the second connecting rod 32 to be away from each other, the disengaging mechanism comprises a fulcrum 322 fixedly connected in the mounting cavity, and a movable rod 323 rotatably connected in the mounting cavity around the fulcrum 322, one end of the movable rod 323 is connected with a button 324, and the button 324 extends out of the mounting cavity and extends out of the first connecting rod 31 so that a user can operate the disengaging mechanism in a pressing mode; the other end of the movable rod 323 is movably connected with an extension rod 325, the extension rod 325 is fixedly connected with the pawl 321, more preferably, a return spring 326 is sleeved on the extension rod 325 and used for returning the pawl 321 so that the pawl 321 is continuously engaged with the rack, the return spring 326 is in a compressed state in an original state, and when the button 324 is pressed, the return spring 326 is in a stretched state.

In the auxiliary device for mounting painting and calligraphy, optionally, one end of the second connecting rod 32, which is far away from the second supporting rod 2, is provided with a limiting part, and the limiting part is configured to prevent the first connecting rod 31 from being separated from the inner cavity of the second connecting rod 32.

In the auxiliary device for mounting painting and calligraphy, optionally, the connecting rod assemblies 3 are perpendicular to the first supporting rod 1 and the second supporting rod 2.

Example three:

the utility model provides an auxiliary device that mounting painting and calligraphy was used, includes first bracing piece 1, second bracing piece 2, connecting rod assembly 3, a plurality of supporting seat 4, first bracing piece 1 with 2 parallel arrangement of second bracing piece, connecting rod assembly 3's both ends respectively with first bracing piece 1 and second bracing piece 2 is connected, a plurality of supporting seat 4 connect respectively in the both ends of first bracing piece 1 and the both ends of second bracing piece 2, supporting seat 4 has butt portion 5, each toward the extension of wall body direction butt portion 5 and wall body butt, be connected with the couple on the butt portion 5, the couple is used for mutually supporting with the wall is connected in order to prevent that auxiliary device from dropping, and auxiliary device can be used for mounting painting and calligraphy this moment to fix hanging the axle. In order to realize the hanging scroll function, all open relative mounting hole on first bracing piece 1 and the second bracing piece 2, the mounting hole is used for being connected with the hanging scroll looks adaptation of painting and calligraphy, and the hanging scroll of prior art is cylindric structure usually, so the mounting hole can perfectly be connected with hanging scroll hole axle cooperation. The butt portion 5 includes the disc structure with the wall body butt, the structural division of disc has with wall body vertically locating hole 501, the locating hole 501 is used for giving the nail location at the nailing, the structural arc wall 502 that has still opened of disc, the one side that the wall body was kept away from to arc wall 502 is sealed face, this design is for overall structure's rationality, arc wall 502 communicates with locating hole 501, arc wall 502 with be provided with breach 503 on the relative one side of locating hole 501, the edge of breach 503 be provided with pivot 504 and with pivot 504 rotate be connected and with the sprue 505 of breach 503 looks adaptation, breach 503 is kept away from pivot 504 one is served and is had the cavity, slide in the sprue 505 be provided with the cooperation piece of cavity looks adaptation, cooperation piece to the outside extension of sprue 505 has the control lever 506 that is used for the user to operate, the control rod 506 controls the matching block to slide towards or away from the cavity, so as to complete the locking and the opening of the gap 503. The arc-shaped groove 502 is closer to the center of the circle than the positioning hole 501, a rotating shaft 401 extends out of the supporting seat 4, the rotating shaft 401 penetrates through the center of the abutting part 5, and the abutting part 5 is rotatably connected with the rotating shaft 401 and used for being detached from the wall when the auxiliary device is only used as an auxiliary device for mounting. The abutting part 5 can also be provided with a dividing disc structure, so that the positioning and the use are more convenient, the accuracy is higher, and meanwhile, the dividing disc structure is a common technical means in the prior art and is not described any more. Meanwhile, the upper surface of the supporting seat 4 is a plane, and a level ruler can be placed on the upper surface of the supporting seat 4 connected to the two supporting rods to properly adjust the heights of the two supporting rods, so that the whole upper surface of the supporting seat 4 is in a horizontal state.

In order to adjust the position of the supporting seat 4, a fine adjustment structure 6 is connected between the first supporting rod 1 and the supporting seat 4, the fine adjustment structure 6 includes a first fixing seat 601, a second fixing seat 602, and a plurality of telescopic rods 603, both ends of each telescopic rod are respectively hinged to the two fixing seats, each telescopic rod 603 is composed of a sliding rod 604 and a sliding sleeve 605 sleeved on the periphery of the sliding rod 604, and the telescopic rods 603 can be telescopically adjusted in the effective lengths of the sliding rod 604 and the sliding sleeve 605 by the matching connection of the sliding rod 604 and the sliding sleeve 605. One end of the sliding sleeve 605, which is inserted into the sliding rod 604, extends to form a clamping portion 606 for clamping the sliding rod 604, the end of the clamping portion 606 is provided with external threads and is connected with a locking nut 607, the clamping portion 606 has a certain taper, the outer surface of the clamping portion is provided with a plurality of notches 503 along the length direction, and when the locking nut 607 is rotated to move backwards, the inner side of the clamping portion 606 can be pressed inwards to clamp and fix the sliding rod 604. The other end of the sliding sleeve 605 is also provided with an external thread, a first spherical hinge 610 is installed at the end of the sliding sleeve 605 by matching with a first pressing cap 609 provided with an internal thread, a first stud 611 is connected on the first spherical hinge 610, and the first stud 611 is connected to each fixed seat through a first fixing nut 612, so that the sliding sleeve 605 is hinged with each fixed seat. The outer end of the sliding rod 604 is a screw head 613 with a larger diameter and an external thread, the end of the screw head 613 is provided with a groove, a second spherical hinge 616 is installed at the end of the screw head 613 through a second pressing cap with an internal thread, a second stud 617 is connected to the second spherical hinge 616, and the second stud 617 is connected to the fixed seat through a second fixing nut 618, so that the sliding rod 604 is hinged to the fixed seat. At least one sliding groove 614 is formed on the surface of the sliding rod 604 along the length direction, and a rib 615 is formed on the inner side of the clamping portion 606 and is matched with the sliding groove 614, and the matching connection of the rib 615 and the sliding groove 614 can prevent the sliding sleeve 605 and the sliding rod 604 from rotating relatively when in use. The two fixing bases are both circular ring-shaped, and each telescopic rod 603 is connected with the fixing base at a certain angle. Each fixing seat is also provided with a plurality of rotating grooves, and the rotating grooves are used for adjusting the supporting seat 4 and the first supporting rod 1 when being connected and can be connected through fasteners. The connection relationship between the fine adjustment device and the first support rod 1 and the support seat 4 is common in the prior art, and is not described herein again.

In order to adapt to different lengths of hanging shafts, the connecting rod assembly 3 is designed to be adjustable in length, and specifically, the connecting rod assembly 3 includes a first connecting rod 31 and a second connecting rod 32, the second connecting rod 32 has an inner cavity matched with the first connecting rod 31, the first connecting rod 31 is slidably connected in the inner cavity of the second connecting rod 32, one end of the first connecting rod 31 away from the second connecting rod 32 is connected to the first supporting rod 1, and one end of the second connecting rod 32 away from the first connecting rod 31 is connected to the second supporting rod 2. In order to prevent the connecting rod assembly 3 from being lengthened due to unexpected factors during the movement of the auxiliary device, and further prevent the hanging shaft from falling off from the mounting hole, a locking structure is disposed between the first connecting rod 31 and the second connecting rod 32, the locking structure is used to prevent the first connecting rod 31 and the second connecting rod 32 from moving away from each other, the locking structure can be implemented by using a common structure of a bolt and a hole, in the preferred embodiment, the first connecting rod 31 and the second connecting rod 32 are rectangular rods, the locking structure is a ratchet structure, the locking structure includes a plurality of pawls 321 disposed in an inner cavity of the second connecting rod 32 and a rack structure disposed on the outer periphery of the first connecting rod 31 and engaged with the pawls 321, the inner cavity has a mounting cavity communicating with the outside, a disengaging mechanism connected with the pawl 321 is arranged in the mounting cavity, the disengaging mechanism is used for separating the pawl 321 from the rack structure so as to enable the first connecting rod 31 and the second connecting rod 32 to be away from each other, the disengaging mechanism comprises a fulcrum 322 fixedly connected in the mounting cavity, and a movable rod 323 rotatably connected in the mounting cavity around the fulcrum 322, one end of the movable rod 323 is connected with a button 324, and the button 324 extends out of the mounting cavity and extends out of the first connecting rod 31 so that a user can operate the disengaging mechanism in a pressing mode; the other end of the movable rod 323 is movably connected with an extension rod 325, the extension rod 325 is fixedly connected with the pawl 321, and more preferably, a return spring 326 is sleeved on the extension rod 325 and used for returning the pawl 321 so that the pawl 321 is continuously engaged with the rack.

In the auxiliary device for mounting painting and calligraphy, optionally, the first supporting rod 1 comprises a movable part and a fixed part which are sequentially connected from top to bottom, and the movable part is configured to reciprocate along the length direction of the fixed part; the second support bar 2 has the same structure as the first support bar 1.

In conclusion, the invention provides the auxiliary device for mounting the painting and calligraphy, by using the device, the telescopic hanging shaft can be used for conducting telescopic hanging according to the painting and calligraphy with different sizes, the convenience is realized, the space is saved, meanwhile, by using the device, the trouble that nails at two ends are not located on the same horizontal line and the like can be reduced by conducting positioning through the nails on the positioning holes and then conducting hanging shaft after removing the device, and the auxiliary device is strong in overall structure adjustability, high in precision and simple and convenient to operate.

In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.

The above examples are to be construed as merely illustrative and not limitative of the remainder of the disclosure. After reading the description of the invention, the skilled person can make various changes or modifications to the invention, and these equivalent changes and modifications also fall into the scope of the invention defined by the claims.

Claims

1. An auxiliary device for mounting calligraphy and painting is characterized by comprising a first supporting rod, a second supporting rod, a connecting rod assembly and a plurality of supporting seats, wherein the first supporting rod and the second supporting rod are arranged in parallel, two ends of the connecting rod assembly are respectively connected with the first supporting rod and the second supporting rod, the supporting seats are respectively connected with two ends of the first supporting rod and two ends of the second supporting rod, abutting parts extend towards the direction of a wall body and abut against the wall body, hooks are connected on the supporting seats and do not influence the contact between the abutting parts and the wall body, the hooks are used for being mutually matched and connected with hidden hooks on the wall to prevent the auxiliary device from falling off, and the auxiliary device can be used for mounting calligraphy and painting and fixing a hanging shaft; the first support rod and the second support rod are respectively provided with a relative mounting hole, the mounting holes are used for being matched and connected with a hanging shaft of a painting and calligraphy, and the mounting holes are matched and connected with a hanging shaft hole shaft; the supporting seat is provided with a rotating shaft, the rotating shaft penetrates through the center of the abutting part, and the abutting part is rotatably connected with the rotating shaft and used for dismounting the auxiliary device from a wall when the auxiliary device is only used as an auxiliary device for mounting; a fine adjustment structure is connected between the first support rod and the support seat, the fine adjustment structure comprises a first fixed seat, a second fixed seat and a plurality of telescopic rods, two ends of each telescopic rod are respectively hinged to the two fixed seats, each telescopic rod is composed of a sliding rod and a sliding sleeve sleeved on the periphery of the sliding rod, and the telescopic rods can be telescopically adjusted in the effective length of the sliding rod and the sliding sleeve through the matching connection of the sliding rod and the sliding sleeve; one end of the sliding sleeve, which is spliced with the sliding rod, extends to form a clamping part for clamping the sliding rod, the end part of the clamping part is provided with external threads and is connected with a locking nut, the clamping part is provided with taper, the outer surface of the clamping part is provided with a plurality of notches along the length direction, and when the locking nut is rotated to move backwards, the inner side of the locking nut can inwards press the clamping part to clamp and fix the sliding rod; the other end of the sliding sleeve is also provided with external threads, a first spherical hinge is arranged at the end part of the sliding sleeve by matching with a first pressing cap provided with internal threads, the first spherical hinge is connected with a first stud, and the first stud is connected to each fixed seat through a first fixed nut, so that the sliding sleeve is hinged with each fixed seat; the outer end of the sliding rod is a screw head with an external thread and a diameter larger than the inner end of the sliding rod, the end part of the screw head is provided with a groove, a second spherical hinge is arranged at the end part of the screw head through a second pressing cap with an internal thread, the second spherical hinge is connected with a second stud, and the second stud is connected to a fixed seat through a second fixing nut, so that the sliding rod is hinged with the fixed seat; the surface of the sliding rod is provided with at least one sliding groove arranged along the length direction, the inner side of the clamping part is provided with a convex edge matched with the sliding groove, and the sliding sleeve and the sliding rod cannot relatively rotate when the sliding sleeve and the sliding rod are used due to the matched connection of the convex edge and the sliding groove; the two fixing seats are both in a ring shape, and each telescopic rod is connected with each fixing seat at a certain angle; each fixing seat is also provided with a plurality of rotating grooves, and the rotating grooves are used for adjustment when being connected with the supporting seat and the first supporting rod and can be connected through fasteners;

the connecting rod assembly comprises a first connecting rod and a second connecting rod, the second connecting rod is provided with an inner cavity matched with the first connecting rod, the first connecting rod is connected in the inner cavity of the second connecting rod in a sliding mode, one end, far away from the second connecting rod, of the first connecting rod is connected with the first supporting rod, and one end, far away from the first connecting rod, of the second connecting rod is connected with the second supporting rod; a locking structure is arranged between the first connecting rod and the second connecting rod and used for preventing the first connecting rod and the second connecting rod from being away from each other, the first connecting rod and the second connecting rod are rectangular rods, the locking structure is a ratchet structure and comprises a plurality of pawls arranged in an inner cavity of the second connecting rod and a rack structure which is arranged on the periphery of the first connecting rod and is in fit engagement connection with the pawls, an installation cavity communicated with the outside is arranged on the inner cavity, a separation mechanism connected with the pawls is arranged in the installation cavity and used for separating the pawls from the rack structure so as to enable the first connecting rod and the second connecting rod to be away from each other, and the separation mechanism comprises a fulcrum fixedly connected in the installation cavity and a movable rod which is rotatably connected in the installation cavity around the fulcrum, one end of the movable rod is connected with a button, and the button extends out of the mounting cavity and extends out of the first connecting rod, so that a user can operate the disengaging mechanism in a pressing mode; the other end of the movable rod is movably connected with an extension rod, the extension rod is fixedly connected with the pawl, a return spring is sleeved on the extension rod and used for enabling the pawl to reset so that the pawl is continuously meshed and connected with the rack, the return spring is in a compressed state in an original state, and when a button is pressed, the return spring is in a stretched state;

one end of the second connecting rod, which is far away from the second supporting rod, is provided with a limiting part, and the limiting part is configured to prevent the first connecting rod from being separated from the inner cavity of the second connecting rod;

the second supporting rod has the same structure as the first supporting rod;

the connecting rod assemblies are perpendicular to the first supporting rod and the second supporting rod.