CN215818011U

CN215818011U - Folding rod structure, adjusting mechanism and adjustable support

Info

Publication number: CN215818011U
Application number: CN202122051840.9U
Authority: CN
Inventors: 贺靖洲; 李春林; 桂少龙; 马迪
Original assignee: Spic Ningxia Energy And Aluminum Technology Engineering Co ltd
Current assignee: Spic Ningxia Energy And Aluminum Technology Engineering Co ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-02-11
Anticipated expiration: 2031-08-27

Abstract

The utility model relates to the technical field of photovoltaic supports, in particular to a folding rod structure, an adjusting mechanism and an adjustable support, wherein the folding rod structure comprises: a support bar; a folding bar; wherein, a limit groove is arranged on the folding rod; a first pin shaft; one end of the folding rod is rotatably connected with one end of the supporting rod through the first pin shaft; the limiting sleeve is sleeved outside the folding rod and the supporting rod and is in sliding connection with the folding rod and the supporting rod, and/or the limiting sleeve is detachably fixed at the connection position of the folding rod and the supporting rod; the first limiting block is connected with the limiting groove in a sliding mode. The technical problems that in the prior art, the strength of a support structure is weak, the angle adjusting range is small, and the adaptability of the device is poor are solved.

Description

Folding rod structure, adjusting mechanism and adjustable support

Technical Field

The utility model relates to the technical field of photovoltaic supports, in particular to a folding rod structure, an adjusting mechanism and an adjustable support.

Background

The adjustable support is applied to a solar photovoltaic power generation system, is one of main components of the solar photovoltaic power generation system, plays a role in placing, installing and fixing a solar panel, and can be divided into a fixed support and a tracking support according to the angle adjustable function of the solar panel.

At present, a common tracking type support is generally of a single-column structure, although the function of adjusting the angle of a solar panel is realized, the structure strength is relatively weak, the common tracking type support cannot be suitable for areas with large wind power, and meanwhile, the range of the angle adjustment of the device is relatively small, and the adaptability of the device can be influenced. In addition, the folding rod in the prior art has a complex structure and high manufacturing cost, is not easy to manually operate in the folding process, and is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model provides a folding rod structure, an adjusting mechanism and an adjustable support, which have high structural strength and wide adjustable angle range and can be suitable for various severe environments.

According to a first aspect of the present invention, there is provided a folding bar structure comprising: a support bar; a folding bar; wherein, a limit groove is arranged on the folding rod; a first pin shaft; one end of the folding rod is rotatably connected with one end of the supporting rod through the first pin shaft; the limiting sleeve is sleeved outside the folding rod and the supporting rod and is in sliding connection with the folding rod and the supporting rod, and/or the limiting sleeve is detachably fixed at the connection position of the folding rod and the supporting rod; the first limiting block is connected with the limiting groove in a sliding mode.

On the basis of the technical scheme, the utility model can be further improved as follows.

Furthermore, the folding rod and the supporting rod are both provided with a plurality of threaded holes, and the limiting sleeve is provided with a plurality of through holes; the pitch of the adjacent threaded holes on the folding rod and the support rod is equal to that of the adjacent through holes; the stop collar passes through the bolt can dismantle to be fixed the folding rod with on the bracing piece, and/or the stop collar passes through the bolt can dismantle to be fixed the folding rod with the junction of bracing piece.

Further, still include the second stopper, the second stopper sets up in the spacing inslot with first stopper symmetry, and second stopper and spacing groove sliding connection.

Furthermore, the folding device also comprises a sliding block and a second pin shaft, wherein the sliding block and one end, far away from the supporting rod, of the folding rod are rotatably connected through the second pin shaft.

Furthermore, the bracing piece includes first support section and second support section, and first support section and second support section fixed connection, and the sectional area of first support section is greater than the sectional area of second support section.

Furthermore, the second support section is rotatably connected with one end of the folding rod through a first pin shaft.

According to a second aspect of the present invention, there is provided an adjustment mechanism comprising a mounting bar, a main beam and a folding bar arrangement as described above; one end of a plurality of folding rod structures is connected with the installation rod, and the other end is connected with the main beam.

Furthermore, the device also comprises a plurality of hinge plates and a plurality of third pin shafts; the main beam is a rod with a rectangular section; a plurality of hinges are fixed to be set up on the girder, and a plurality of hinges rotate with a plurality of bracing pieces through third round pin axle respectively and are connected.

Furthermore, the folding device also comprises a plurality of fixing knobs, and the number of the fixing knobs is the same as that of the folding rod structures; the mounting rod is a rectangular tube, wherein the middle part of one side surface of the mounting rod is provided with a rectangular opening penetrating through the side surface; the fixed knob penetrates through the opening in the installation rod and is detachably connected with the folding rod structure, and the fixed knob is tightly attached to two sides of the opening of the installation rod.

According to a third aspect of the utility model, there is provided an adjustable bracket comprising a plurality of purlins and a plurality of adjustment mechanisms as described above; the plurality of adjusting mechanisms are arranged in parallel; a plurality of purlins are fixedly arranged on the main beams of the adjusting mechanisms, and the purlins and the main beams are mutually perpendicular to form a 'well' shape or a plurality of 'well' shape combined structures.

According to the utility model, the slide block is arranged in the mounting rod, and the device is arranged into a four-column structure (a four-folding-rod structure), so that the structural strength of the device can be improved while the angle of the device is ensured to be movable; the fixed knob is arranged in the slider, the position of the slider can be changed by controlling the fixed knob to adjust the inclination angle of the main beam, and meanwhile, the folding rod and the support rod which are hinged are arranged between the main beam and the slider, so that the device can be switched between forward tilting and backward tilting by changing the folding or straightening state of the device, the inclination angle range of the device can be improved, the device can be suitable for an area with changed sun positions in the return line of south and north, and the application range is wide; set up two stoppers through the inside at the spacing groove, utilize the mode of stirring it outwards to be able to with the folding rod joint in the inside of installing the pole, set up the through-hole through the inside at folding rod, bracing piece and stop collar simultaneously, the use of cooperation bolt can keep the state that folding rod and bracing piece extend, the operation of being convenient for. Therefore, the technical problems that in the prior art, the strength of the support structure is weak, the angle adjusting range is small, and the adaptability of the device is poor are effectively solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural view of a folded rod according to the present invention in a straightened state;

FIG. 2 is a schematic view of the folding rod structure according to the present invention;

FIG. 3 is a schematic structural diagram of an adjusting mechanism provided in the present invention;

FIG. 4 is a schematic view of a partial installation of an adjustment mechanism provided by the present invention;

FIG. 5 is a schematic structural view of an adjustable support provided by the present invention;

FIG. 6 is a schematic view of a partial installation of a limiting groove of a folding rod according to the present invention; and

fig. 7 is a schematic structural diagram of a mounting rod according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

the device comprises an installation rod-1, a sliding block-2, a fixed knob-3, a folding rod-4, a limiting groove-5, a first limiting block-6, a support rod-7, a limiting sleeve-8, a main beam-9, a hinge plate-10, a purline-11, an installation plate-12, a second limiting block-13, a first pin shaft-14, a second pin shaft-15 and a third pin shaft-16.

Detailed Description

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Referring to fig. 1 to 7, the present invention provides a folding rod structure, an adjusting mechanism and an adjustable bracket, so as to solve the technical problems of weak strength of the bracket structure, small angle adjusting range and poor device adaptability in the prior art.

The present invention provides a folding bar structure, comprising: a support bar 7; a folding bar 4; wherein, a limit groove 5 is arranged on the folding rod 4; a first pin 14; one end of the folding rod 4 is rotatably connected with one end of the supporting rod 7 through the first pin shaft 14; the limiting sleeve 8 is sleeved outside the folding rod 4 and the supporting rod 7, the limiting sleeve 8 is connected with the folding rod 4 and the supporting rod 7 in a sliding mode, and/or the limiting sleeve 8 is detachably fixed at the connecting position of the folding rod 4 and the supporting rod 7; and the first limiting block 6 is in sliding connection with the limiting groove 5.

Specifically, in the scheme, the folding rod structure is composed of a folding rod 4 and a support rod 7, the folding rod 4 and the support rod 7 are straight rods, one end of the folding rod 4 is hinged with one end of the support rod 7 and can rotate freely through a first pin shaft 14, a limit sleeve 8 is a rectangular tube which is sleeved outside the folding rod 4 and the support rod 7, the limit sleeve 8 can freely slide along the folding rod 4 and the support rod 7, when the limit sleeve 8 slides to the hinged position of the folding rod 4 and the support rod 7, the folding rod 4 and the support rod 7 cannot rotate at the hinged position to form a straight rod due to the limitation of the limit sleeve 8, at the moment, the height of the whole folding rod structure is maximum, when the limit sleeve 8 slides to the hinged position of the folding rod 4 and the support rod 7, the hinged structure composed of the folding rod 4 and the support rod 7 has no limit function, the support rod 7 can rotate freely with the folding rod 4, in this case, the angle between the support bar 7 and the folding bar 4 can be adjusted as needed to adjust the support height.

In a preferred embodiment, the folding rod 4 and the support rod 7 are both provided with mounting holes, the position limiting sleeve 8 is also provided with holes corresponding to the folding rod 4 and the support rod 7, when the position limiting sleeve 8 slides to the hinged position of the folding rod 4 and the support rod 7, a fixing part is inserted into the mounting holes to fix the position limiting sleeve 8 at the hinged position of the folding rod 4 and the support rod 7 so as to fix the position limiting sleeve 8 without slipping, when the position limiting sleeve 8 needs to slide again, the fixing part is removed, the position limiting sleeve 8 slides to the position without limiting hinged rotation, at the moment, the fixing part is inserted into the mounting holes to fix the position limiting sleeve 8 on the folding rod 4 or the support rod 7, and the angle between the support rod 7 and the folding rod 4 is adjusted to adjust the support height.

It should be noted that, still be provided with spacing groove 5 on folding rod 4, still be provided with first stopper 6 in spacing groove 5, first stopper 6 can freely slide in spacing groove 5, and, stopper roll-off spacing groove 5 is a section distance, in an optional embodiment, stopper roll-off spacing groove 5 for fixed stop collar 8, when the folding rod structure was vertically placed, the stopper outside outstanding spacing groove 5 can block stop 8 downslide of stop collar, play the effect of fixed stop collar 8. In another optional embodiment, the cross-sectional shape of the limiting groove 5 is an isosceles trapezoid, rectangular plates are respectively disposed at two ends of the limiting groove 5, the shape of the first limiting block 6 corresponds to the cross-sectional profile of the limiting groove 5, that is, the first limiting block 6 is an isosceles trapezoid, and a groove having a rectangular cross-section is disposed at the bottom of the first limiting block 6.

Compared with the prior art, the position change of the limiting sleeve 8 on the folding rod 4 and the supporting rod 7 controls the rotation relation between the folding rod 4 and the supporting rod 7, the purpose of adjusting the supporting height of the folding rod structure is achieved, the structure is simple, and the effect is obvious.

In a further alternative embodiment, the folding rod 4 and the support rod 7 are both provided with a plurality of threaded holes, and the stop collar 8 is provided with a plurality of through holes; wherein, the pitch of the adjacent threaded holes on the folding rod 4 and the supporting rod 7 is equal to the pitch of the adjacent through holes; the stop collar 8 can be detachably fixed on the folding rod 4 and the support rod 7 through bolts, and/or the stop collar 8 can be detachably fixed on the joint of the folding rod 4 and the support rod 7 through bolts.

Specifically, in this scheme, all be provided with a plurality of screw holes on folding rod 4 and the bracing piece 7 to the pitch-row of screw hole equals on folding rod 4 and the bracing piece 7, and wherein, folding rod 4 is articulated back with bracing piece 7, and the pitch-row between the adjacent screw hole on it is also the same with the pitch-row between other screw holes. It should be noted that the stop collar 8 is also provided with a plurality of through holes, and the pitch of the through holes is the same as the pitch of the threaded holes described above. When the limiting sleeve 8 slides to a concentric position of a through hole and a threaded hole along the folding rod 4 and the supporting rod 7, the limiting sleeve 8 is fixed by using a bolt. In a preferred embodiment, two threaded holes are formed in each of the folding rod 4 and the support rod 7, two through holes are formed in the limiting sleeve 8, wherein the diameter of each through hole is larger than that of each threaded hole, and the distance between adjacent threaded holes after the folding rod 4 and the support rod 7 are hinged is the same as the distance between other threaded holes. The number of the threaded holes and the number of the through holes can be set according to actual conditions, and the number of the threaded holes and the number of the through holes are not limited to two.

Compared with the prior art, the limiting sleeve 8 is fixed by the bolts at the corresponding positions, the limiting sleeve 8 is prevented from sliding or sliding, the function of the limiting sleeve 8 is influenced, and the limiting sleeve is simple in structure and saves space.

In a further optional embodiment, the device further comprises a second limiting block 13, the second limiting block 13 and the first limiting block 6 are symmetrically arranged in the limiting groove 5, and the second limiting block 13 is slidably connected with the limiting groove 5.

Specifically, in this scheme, first stopper 6 and second stopper 13 symmetry set up in spacing groove 5, and first stopper 6 and second stopper 13 all with spacing groove 5 sliding connection, wherein, first stopper 6 is the same with the thickness of second stopper 13, and when first stopper 6 and second stopper 13 laminating, the thickness sum of first stopper 6 and second stopper 13 is less than or equal to the width of spacing groove 5. It should be noted that the first limiting block 6 and the second limiting block 13 slide in the limiting groove 5 along opposite directions, and both the first limiting block 6 and the second limiting block 13 can slide to a distance outside the limiting groove 5. In another alternative embodiment, the thicknesses of the first stopper 6 and the second stopper 13 may be different.

Compared with the prior art, the scheme has the advantages that the two limiting blocks are used for limiting, the effect is better, and the stability is higher.

In a further alternative embodiment, the folding device further comprises a sliding block 2 and a second pin 15, wherein the sliding block 2 is rotatably connected with one end of the folding rod 4 far away from the supporting rod 7 through the second pin 15.

Specifically, in this scheme, the folding rod structure still includes slider 2, and slider 2 and folding rod 4 keep away from the one end of bracing piece 7 and pass through second round pin axle 15 and rotate and be connected, that is to say, folding rod 4's one end and slider 2 are articulated, and folding rod 4's the other end is articulated with bracing piece 7, and the folding rod structure has two revolute pairs. It should be noted that the slider 2 is further provided with a mounting hole for connecting with a fixed component.

Compared with the prior art, the folding rod structure with the two revolute pairs can be applied to various scenes more flexibly, the position of the folding rod 4 can be adjusted while the supporting height is adjusted by the aid of the sliding blocks 2, and the folding rod structure is convenient to use and can be used for buying the supporting requirements of different positions.

In a further alternative embodiment, the supporting rod 7 comprises a first supporting section and a second supporting section, the first supporting section is fixedly connected with the second supporting section, and the sectional area of the first supporting section is larger than that of the second supporting section.

Specifically, in this scheme, bracing piece 7 has two parts to constitute, and what form articulated relation with folding rod 4 is that the second supports the section, and the second supports the section and can be integrated into one piece design with first support section, also can be welded connection, and the tip of keeping away from the second at first support section supports the section is provided with the through-hole, and this through-hole is used for being connected with other parts. It should be noted that the length of the second support section is greater than the length of the stop collar 8.

Compared with the prior art, the sectional area of the first supporting section is larger than that of the second supporting section, so that the sliding position of the limiting sleeve 8 can be limited, and the limiting sleeve 8 can slide in a reasonable position interval.

In a further alternative embodiment, the second support section is pivotally connected to one end of the folding bar 4 by a first pin 14.

Specifically, in this scheme, the second supports the section and rotates with folding rod 4 through first round pin axle 14 and be connected, and folding rod 4 was kept away from to the second support section one end and first support section fixed connection.

The utility model also provides an adjusting mechanism, which comprises an installation rod 1, a main beam 9 and a plurality of folding rod structures; one end of a plurality of folding rod structures is connected with the installation rod 1, and the other end is connected with the main beam 9.

Specifically, in the scheme, the mounting rod 1 is fixedly mounted on a fixed surface as a base of an adjustable support, the main beam 9 is connected with the mounting rod 1 as a supporting beam through a folding rod structure, preferably, the mounting rod 1 is connected with the main beam 9 through two folding rod structures, one folding rod structure is in a folded state, the other folding rod structure is in a stretched state, and it needs to be noted that when the limiting sleeve 8 is fixed at the hinged position of the folding rod 4 and the supporting rod 7, the folding rod structure is in the stretched state; when the position-limiting sleeve 8 is fixed outside the hinged position of the folding rod 4 and the supporting rod 7, the folding rod structure is in a folding state. It should be understood that the number of the folding rod structures adopted in the present scheme is not limited to two, and may be one or more. When folding rod 4 and bracing piece 7 are in the state of folding, need place folding rod 4 in the inside of installation pole 1 to the stopper of its top outwards slides, makes the stopper and the inner wall joint of installation pole 1, in order to guarantee when adjusting device's angle, can not cause folding rod 4's angle change.

Compared with the prior art, the angle adjusting range of the adjusting mechanism is large, and manual operation is convenient.

In a further optional embodiment, the hinge further comprises a plurality of hinge plates 10 and a plurality of third pins 16; the main beam 9 is a rod with a rectangular section; the plurality of hinge plates 10 are fixedly arranged on the main beam 9, and the plurality of hinge plates 10 are respectively and rotatably connected with the plurality of support rods 7 through third pin shafts 16.

Specifically, in this embodiment, the hinge plate 10 is a plate with a through hole, and the hinge plate 10 is fixedly disposed on the main beam 9. In a specific application, a fixing hole is formed on the first supporting section of the supporting rod 7, the fixing hole corresponds to the through hole on the hinge plate 10 and can be penetrated by the third pin 16, and the supporting rod 7 and the hinge plate 10 are rotatably connected together through the third pin 16. It should be noted that the number of the hinge plates 10 is the same as that of the folding rod structures, and one of the hinge plates is connected with one another; in addition, the number of the third pins 16 is the same as the number of the folding bar structures.

Compared with the prior art, the adjusting mechanism has the advantages that the hinge plate 10 is hinged to the folding rod structure, the adjusting mechanism is provided with the three revolute pairs, and the angle adjusting is flexible and convenient.

In a further alternative embodiment, a plurality of fixing knobs 3 are also included, the number of fixing knobs 3 is the same as the number of folding rod structures; the mounting rod 1 is a rectangular tube, wherein the middle part of one side surface of the mounting rod 1 is provided with a rectangular opening penetrating through the side surface; the fixed knob 3 passes through the opening on the installation rod 1 respectively and is detachably connected with the folding rod structure, and the fixed knob 3 is tightly attached to two sides of the opening of the installation rod 1.

Specifically, in this scheme, be provided with a plurality of mounting panels 12 on installation pole 1, wherein, mounting panel 12 is the board that has the through-hole, and mounting panel 12 all sets up fixedly on two sides that have the face of opening on installation pole 1 adjacent, and perpendicular with the side, and the bottom surface of mounting panel 12 is on the coplanar with the subtended face of installation pole 1 opening face. Fixed knob 3's effect lies in fixing slider 2 of folding rod structure on installation pole 1, slider 2 sets up the inside at installation pole 1, with installation pole 1 sliding connection, in concrete application, slider 2 can be as required manual slip to the optional position in installation pole 1, reuse fixed knob 3 with it fixed, need explain, be provided with the screw hole corresponding with fixed knob 3 on the slider 2, fixed knob 3 passes the threaded hole that rectangle opening fixed mounting on installation pole 1 set up on slider 2, in addition, fixed knob 3 screws up the back and can closely laminate with installation pole 1 upper shed both sides, consequently, fixed slider 2's effect has been played. When the angle needs to be continuously adjusted, the fixing knob 3 is unscrewed, at the moment, the sliding block 2 can continuously slide to a proper position in the installation rod 1, and then the fixing knob 3 is used for screwing and fixing the sliding block 2 and the installation rod 1.

Compared with the prior art, the folding rod structure can be fixed at any position on the installation rod 1 by using the fixing knob 3, the manual adjustment operation is convenient, and the folding rod structure is very convenient to use without the help of other tools.

The utility model also provides an adjustable bracket, which comprises a plurality of purlins 11 and a plurality of adjusting mechanisms; the plurality of adjusting mechanisms are arranged in parallel; a plurality of purlins 11 are fixedly arranged on the main beams 9 of the adjusting mechanisms, and the purlins 11 and the main beams 9 are mutually perpendicular to form a 'well' shape or a plurality of 'well' shape combined structures.

Specifically, in the scheme, an adjusting mechanism is fixedly installed on a fixed surface as a base of an adjustable support, a main beam 9 of the adjusting mechanism is connected with an installation rod 1 as a supporting beam through a folding rod structure, preferably, the installation rod 1 is connected with the main beam 9 through two folding rod structures, one folding rod structure is in a folded state, the other folding rod structure is in a stretched state, a combined structure formed by a plurality of installation rods 1, the main beam 9 and the folding rod structures is arranged in parallel, the heights of the folding rod structures near the same side end of the main beam 9 are the same, and it needs to be noted that when a limiting sleeve 8 is fixed at the hinged position of a folding rod 4 and a supporting rod 7, the folding rod structure is in the stretched state; when the position-limiting sleeve 8 is fixed outside the hinged position of the folding rod 4 and the supporting rod 7, the folding rod structure is in a folding state. In this scheme, a plurality of purlins 11 are fixed and set up on parallel arrangement's girder 9, and wherein more preferably, purlins 11 are perpendicular with a plurality of girder 9, form "well" font or a plurality of "well" font integrated configuration.

The adjustable support provided by the scheme can be used for mounting the solar panel and adjusting the angle of the solar panel, in specific application, the solar panel is fixedly mounted on a purline 11, the adjustable support is fixed on a power generation site by using a mounting plate 12, then the folding states of the front and rear folding rods 4 and the supporting rods 7 are respectively adjusted, the device is set to be in a forward tilting state or a backward tilting state, finally the position of the sliding block 2 is adjusted by rotating the fixing knob 3, the inclination angle of the device can be finely adjusted, when the states of the folding rods 4 and the supporting rods 7 are adjusted, the folding rods 4 and the supporting rods 7 are extended to be positioned on the same straight line, then the limiting sleeve 8 slides downwards, then the folding rods 4 and the supporting rods 7 are fixed by using the matching of bolts and the round holes in the three parts, on the contrary, the limiting sleeve 8 slides upwards, can make to folding rod 4 and bracing piece 7 be in the state of folding, when folding rod 4 and bracing piece 7 are in the state of folding, need place folding rod 4 in the inside of installation pole 1 to the stopper of its top of outwards sliding makes the stopper and the inner wall joint of installation pole 1 mutually, in order to guarantee when adjusting device's angle, can not cause folding rod 4's angle change.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. A folding bar structure, comprising:

a support bar;

a folding bar; wherein, a limit groove is arranged on the folding rod;

a first pin shaft; one end of the folding rod is rotatably connected with one end of the supporting rod through the first pin shaft;

the limiting sleeve is sleeved outside the folding rod and the supporting rod and is in sliding connection with the folding rod and the supporting rod, and/or the limiting sleeve is detachably fixed at the connection position of the folding rod and the supporting rod;

the first limiting block is connected with the limiting groove in a sliding mode.

2. The folding rod structure of claim 1, wherein the folding rod and the support rod are provided with a plurality of threaded holes, and the stop collar is provided with a plurality of through holes; the pitch of the adjacent threaded holes on the folding rod and the supporting rod is equal to that of the adjacent through holes;

the stop collar passes through the bolt can dismantle to be fixed the folding rod with on the bracing piece, and/or the stop collar passes through the bolt can dismantle to be fixed the folding rod with the junction of bracing piece.

3. The folding rod structure of claim 1, further comprising a second limiting block, wherein the second limiting block and the first limiting block are symmetrically arranged in the limiting groove, and the second limiting block is slidably connected with the limiting groove.

4. The folding bar structure of claim 1, further comprising a sliding block and a second pin, wherein the sliding block is rotatably connected with one end of the folding bar far away from the supporting bar through the second pin.

5. The folding bar structure of claim 1, wherein the support bar comprises a first support section and a second support section, the first support section is fixedly connected with the second support section, and the cross-sectional area of the first support section is larger than the cross-sectional area of the second support section.

6. The folding bar structure of claim 5, wherein said second support section is pivotally connected to one end of said folding bar by said first pin.

7. An adjustment mechanism comprising a mounting bar, a main beam and a plurality of folding bar arrangements according to any one of claims 1 to 6;

a plurality of folding rod structure's one end with the installation pole is connected, the other end with the girder is connected.

8. The adjustment mechanism of claim 7, further comprising a plurality of hinge plates and a plurality of third pins;

the main beam is a rod with a rectangular section;

the hinge plates are fixedly arranged on the main beam and are respectively and rotatably connected with the support rods through the third pin shafts.

9. The adjustment mechanism of claim 7, further comprising a plurality of securing knobs, the number of securing knobs being the same as the number of folding bar structures;

the mounting rod is a rectangular tube, wherein the middle part of one side surface of the mounting rod is provided with a rectangular opening penetrating through the side surface;

the fixed knobs respectively penetrate through the openings in the installation rods and are detachably connected with the folding rod structures, and the fixed knobs are tightly attached to two sides of the openings of the installation rods.

10. An adjustable bracket comprising a plurality of purlins and a plurality of adjustment mechanisms according to claim 7;

the plurality of adjusting mechanisms are arranged in parallel;

the plurality of purlins are fixedly arranged on the main beams of the adjusting mechanisms, and the plurality of purlins and the plurality of main beams are mutually perpendicular to form a 'well' shape or a plurality of 'well' shape combined structures.