CN218791523U

CN218791523U - Four-leg bracket

Info

Publication number: CN218791523U
Application number: CN202221512226.6U
Authority: CN
Inventors: 胡盈莹
Original assignee: Ningbo Dingkai Machinery Co ltd
Current assignee: Ningbo Dingkai Machinery Co ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2023-04-07
Anticipated expiration: 2032-06-17

Abstract

The utility model discloses a four-foot bracket, including the stiffening beam, all be provided with two wooden fixed legs in the both sides of stiffening beam bottom, two wooden fixed legs of homonymy constitute "Λ" font structure, be provided with two parallel vertical poles above the stiffening beam, the dismantlement formula is connected with two crossbeams between two vertical poles, wooden fixed leg and stiffening beam threaded connection, the both ends at the crossbeam back of top all are fixed with a sliding sleeve, the sliding sleeve overlaps outside the vertical pole, and is provided with the spacing ring that cup joints outside the vertical pole below each sliding sleeve, and annular is provided with more than one locking screw in the spacing ring, and the both ends of crossbeam of below all weld a hinged joint seat, and articulated on the hinged joint seat have the buckle, the hook portion of buckle and the draw-in groove joint of crossbeam rear end below; the overall stability of this structure is better.

Description

Four-leg bracket

Technical Field

The utility model relates to a technical field of support is used in the show of art drawing specifically is a four-foot support.

Background

The art painting generally needs to be fixed in the display process, but the prior art painting display bracket generally has the following problems: 1. the distance between two cross beams used for fixing the picture on the bracket can not be adjusted, so that the applicability is poor; 2. the support generally directly adopts the form of three dead levers, and two preceding dead levers parallel distribution set up three crossbeams between two preceding dead levers, and a back dead lever constitutes triangular support with the back fixed connection of a crossbeam wherein, and such structural stability is poor, and two dead levers length overlength are not convenient for accomodate, so this needs to improve.

Disclosure of Invention

An object of the utility model is to provide a four-legged support to solve the current art that proposes among the above-mentioned background art and draw support overall stability poor, the unable regulation of crossbeam height, lead to the poor problem of suitability.

In order to achieve the above object, the utility model provides a following technical scheme: the four-leg support comprises a reinforcing beam, wherein two wooden fixing legs are arranged on two sides of the bottom of the reinforcing beam, the two wooden fixing legs on the same side form a reversed V-shaped structure, two parallel longitudinal rods are arranged above the reinforcing beam, two cross beams are detachably connected between the two longitudinal rods, the wooden fixing legs are in threaded connection with the reinforcing beam, two ends of the back face of the cross beam above the reinforcing beam are respectively fixed with a sliding sleeve, the sliding sleeves are sleeved outside the longitudinal rods, a limiting ring sleeved outside the longitudinal rods is arranged below each sliding sleeve, more than one locking screw is annularly arranged on each limiting ring, the limiting rings are limited on the longitudinal rods after the locking screws are locked, the sliding sleeves above the limiting rings are limited, two ends of the cross beam below the limiting rings are respectively welded with a hinged seat, a buckle is hinged to each hinged seat, a hook portion of each buckle is clamped with a clamping groove at the rear end of the cross beam below the limiting ring, and the position of the cross beam below the limiting rings can be adjusted when the buckle is separated from the clamping groove.

Preferably, in order to improve the overall connection strength and avoid damaging the decorative picture, the reinforcing beam comprises a square pipe and inclined plates positioned on two sides below the square pipe, the inclined plates extend along the length direction of the square pipe, a felt sheet is arranged on the upper surface of the square pipe and the outer surfaces of the two inclined plates, and the felt sheet wraps the surface of the corresponding square pipe or inclined plate.

Preferably, in order to facilitate disassembly, the front and the rear of the two ends of the square pipe are respectively welded with a connecting pipe, the two connecting pipes on the same side are sleeved with a plastic sleeve, the two ends of the inclined plate are inserted into the plastic sleeves, the upper end of each wood fixing leg is provided with an inner threaded nut, and the bottom of each connecting pipe is provided with an outer threaded nut in threaded connection with the inner threaded nut.

Preferably, the reinforcing beam is prevented from deforming, more than one reinforcing strip is arranged between the two inclined plates, connecting blocks extending downwards are arranged on two sides of each reinforcing strip, and magnets magnetically adhered to the corresponding inclined plates are arranged on the connecting blocks.

Preferably, each beam is provided with more than one positioning through hole.

In order to improve the clamping effect, a silica gel pad matched with the screw head of the locking screw is arranged in each limit ring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. according to the structure, the reinforcing beam is additionally arranged, the two longitudinal rods are arranged on the reinforcing beam, and the two cross beams are quickly mounted on the longitudinal rods, so that the space and the height between the two cross beams can be conveniently adjusted in the later period, the two cross beams can be used for fixing art pictures with different sizes, and the four fixing legs are arranged at the bottom of the reinforcing beam, so that a plane is formed by four points, the stability of the whole support is stronger, and the whole support is not easy to shake;

2. compared with the existing triangular support, the integral strength of the triangular support is stronger through the design of the reinforcing beam;

3. the crossbeam of top reciprocates and is fixed through locking screw cooperation spacing ring, and the crossbeam of below carries out the screens through the form of buckle, finally makes altitude mixture control convenient and fast more.

Drawings

Fig. 1 is a schematic front structural view of a four-legged support according to the present invention when one of the felt strips is separated from other components;

FIG. 2 is an enlarged view of FIG. 1 at B;

fig. 3 is a schematic structural view of a four-legged support without a felt strip;

fig. 4 is a schematic back structural view of a four-leg stand disclosed in the present invention;

FIG. 5 is an enlarged view at A of FIG. 4;

fig. 6 is a schematic structural view of the spacing ring disclosed in the present invention;

fig. 7 is a schematic structural view of the combination of the hinge seat and the buckle disclosed in the present invention;

fig. 8 is a schematic back structure view of the lower cross beam disclosed in the present invention.

In the figure: the reinforcing beam comprises a reinforcing beam 1, a wooden fixing leg 2, a longitudinal rod 3, a cross beam 4, a sliding sleeve 5, a limiting ring 6, a locking screw 7, a hinge seat 8, a buckle 9, a clamping groove 10, a square tube 11, an inclined plate 12, a felt sheet 13, a connecting tube 14, a plastic sleeve 15, an inner threaded nut 16, an outer threaded nut 17, a reinforcing strip 18, a connecting block 19, a magnet 20, a positioning through hole 21 and a silica gel pad 22.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-8, the utility model provides a four-legged support, including stiffening beam 1, all be provided with two wooden fixed legs 2 in the both sides of stiffening beam 1 bottom, two wooden fixed legs 2 of homonymy constitute "Λ" font structure the top of stiffening beam 1 is provided with two parallel vertical poles 3, and two crossbeams 4 are connected with to the dismantlement formula between two vertical poles 3, wooden fixed leg 2 and stiffening beam 1 threaded connection, the both ends at the crossbeam 4 back of top all are fixed with a sliding sleeve 5, sliding sleeve 5 overlaps outside vertical pole 3, and is provided with the cup joint at the below of each sliding sleeve 5 the spacing ring 6 outside vertical pole 3, and the annular is provided with more than one locking screw 7 on spacing ring 6, spacing ring 6 is on vertical pole 3 and is spacing sliding sleeve 5 of top after locking screw 7 locks, the both ends of crossbeam 4 of below all weld an articulated seat 8, articulated seat 8 has articulated buckle 9, the hook portion of buckle 9 and the draw-in groove 10 of crossbeam 4 rear end of below, buckle 9 can adjust the crossbeam position when the crossbeam 4 separates with the buckle 10. The bottom of the vertical rod 3 is fixedly connected with the stiffening beam 1 through screws.

The structure has the following technical effects: 1. according to the structure, the reinforcing beam 1 is additionally arranged, the two longitudinal rods 3 are arranged on the reinforcing beam 1, and the two cross beams 4 are quickly disassembled and installed on the longitudinal rods 3, so that the space and the height between the two cross beams 4 can be conveniently adjusted in the later period, the art pictures with different sizes can be fixed, and the four texture fixing legs 2 are arranged at the bottom of the reinforcing beam 1, so that four points form a plane, the whole support is stronger in stability and is not easy to shake; 2. compared with the existing triangular support, the integral strength of the triangular support is stronger through the design of the reinforcing beam; 3. crossbeam 4 of top reciprocates and is fixed through locking screw 7 cooperation spacing ring 6, and crossbeam 4 of below carries out the screens through the form of buckle, finally makes altitude mixture control convenient and fast more.

Preferably, in order to improve the overall connection strength and avoid damaging the decorative picture, the reinforcing beam 1 comprises a square pipe 11 and inclined plates 12 positioned on two sides below the square pipe 11, the inclined plates 12 extend along the length direction of the square pipe 11, a felt piece 13 is arranged on the upper surface of the square pipe 11 and on the outer surfaces of the two inclined plates 12, the felt piece 13 wraps the surface of the corresponding square pipe 11 or inclined plate 12, and a felt piece 13 is arranged on the upper surface of the square pipe 11 and on the outer surfaces of the two inclined plates 12, so that the influence on the beauty of the reinforcing beam 1 due to the damage of the surface of the reinforcing beam 1 in the use process is avoided, and the damage of the picture due to the collision of the metal surface of the reinforcing beam 1 with the artistic picture is also avoided.

As preferred, for convenient dismantlement, all weld around 11 both ends of square pipe has a connecting pipe 14, and two connecting pipes 14 overcoat at the homonymy have plastic cover 15, insert in plastic cover 15 at the both ends of hang plate 12, be provided with one in the upper end of each wooden fixed leg 2 and screw nut 16, be provided with the outer screw nut 17 with 16 threaded connection of interior screw nut in the bottom of each connecting pipe 14, further make things convenient for the later stage to dismantle through interior external screw thread cooperation between wooden fixed leg 2 and the connecting pipe 14.

Preferably, more than one reinforcing strip 18 is arranged between the two inclined plates 12 to avoid the deformation of the reinforcing beam, connecting blocks 19 extending downwards are arranged on two sides of each reinforcing strip 18, magnets 20 magnetically adhered to the corresponding inclined plates 12 are arranged on the connecting blocks 19, the plurality of reinforcing strips 18 are arranged between the inclined plates 12, the connecting blocks 19 are arranged at two ends of each reinforcing strip 18, and the connecting blocks 19 are fixed with the corresponding inclined plates 12 through the magnets 20, so that the mounting is convenient, the overall strength of the reinforcing beam is further improved, and the deformation of the reinforcing beam is avoided.

Preferably, each cross beam 4 is provided with more than one positioning through hole 21, the positioning through holes 21 have circular and oval shapes, and a plurality of positioning through holes 21 are arranged to select proper hole positions according to threaded holes on the back of the drawing board to fix corresponding drawings, so that the drawing board can be finally adapted to different size requirements.

In order to improve the clamping effect, a silica gel pad 22 matched with the screw head of the locking screw 7 is arranged in each limiting ring 6, the silica gel pad 22 is arranged in the limiting ring 6, the silica gel pad 22 is pushed against the longitudinal rod 3 after the locking screw 7 is rotated, the limiting ring 6 is clamped outside the longitudinal rod 3 for limiting until the locking screw 7 is screwed, and meanwhile, the silica gel pad 22 can also play a role in protecting to avoid surface damage to the longitudinal rod 3.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A four-legged support, its characterized in that: comprises a stiffening beam (1), two wooden fixed legs (2) are respectively arranged at two sides of the bottom of the stiffening beam (1), the two wooden fixed legs (2) at the same side form an inverted V-shaped structure, two parallel vertical rods (3) are arranged above the reinforcing beam (1), two cross beams (4) are detachably connected between the two longitudinal rods (3), the wood fixing legs (2) are in threaded connection with the reinforcing beam (1), two ends of the back of the upper cross beam (4) are respectively fixed with a sliding sleeve (5), the sliding sleeves (5) are sleeved outside the longitudinal rod (3), and a limit ring (6) sleeved outside the longitudinal rod (3) is arranged below each sliding sleeve (5), more than one locking screw (7) is annularly arranged on the limit ring (6), after the locking screw (7) is locked, the limiting ring (6) is limited on the longitudinal rod (3) and limits the sliding sleeve (5) above, the two ends of the cross beam (4) below are respectively welded with a hinge seat (8), a buckle (9) is hinged on the hinged seat (8), the hook part of the buckle (9) is clamped with a clamping groove (10) at the rear end of the lower beam (4), the position of the lower cross beam (4) on the longitudinal rod (3) can be adjusted when the buckle (9) is separated from the clamping groove (10).

2. A four-legged support according to claim 1, in which: the reinforcing beam (1) comprises a square pipe (11) and inclined plates (12) positioned on two sides below the square pipe (11), wherein the inclined plates (12) extend along the length direction of the square pipe (11), a felt sheet (13) is arranged on the upper surface of the square pipe (11) and on the outer surfaces of the two inclined plates (12), and the felt sheet (13) wraps the surfaces of the corresponding square pipe (11) or the corresponding inclined plates (12).

3. A four-legged support according to claim 2, in which: all weld a connecting pipe (14) around square pipe (11) both ends, two connecting pipe (14) overcoat at the homonymy has plastic cover (15), insert in plastic cover (15) at the both ends of hang plate (12), be provided with one in the upper end of each wooden fixed leg (2) and screw nut (16), be provided with in the bottom of each connecting pipe (14) with interior screw nut (16) threaded connection's outer screw nut (17).

4. A four-legged support according to claim 2 or 3, in which: more than one reinforcing strip (18) is arranged between the two inclined plates (12), connecting blocks (19) extending downwards are arranged on two sides of each reinforcing strip (18), and magnets (20) magnetically adhered to the corresponding inclined plates (12) are arranged on the connecting blocks (19).

5. A four-legged support according to claim 1, 2 or 3, in which: each beam (4) is provided with more than one positioning through hole (21).

6. A four-legged support according to claim 1, 2 or 3, in which: a silica gel pad (22) matched with the screw head of the locking screw (7) is arranged in each limit ring (6).