CN116032197A - Adjustable support - Google Patents

Abstract

The application relates to the technical field of photovoltaic module installation, especially, relate to an adjustable support, including first rotating assembly, be connected with lifting unit on the first rotating assembly, be connected with the second rotating assembly on the lifting unit, first rotating assembly can rotate around the axis that the rack was responsible for, the second rotating assembly can rotate around the horizontal axis that the perpendicular to rack was responsible for the axis. This application is convenient for carry out nimble regulation to the support, makes the top of a plurality of supports keep on the coplanar to be convenient for install photovoltaic module, help realizing better installation effect.

Description

Adjustable support

Technical Field

The application relates to the technical field of photovoltaic module installation, in particular to an adjustable bracket.

Background

Photovoltaic modules generally refer to solar modules, most of which are rigid flat-panel structures.

Referring to fig. 1, in constructing a distributed photovoltaic module, it is first required to install and fix a photovoltaic bracket 72 on a main pipe 7 of a roof rack, and then install the photovoltaic module on the photovoltaic bracket 72 and fix it by welding or bolts.

However, since the roof rack main pipe 7 is an arc pipe, when the photovoltaic bracket 72 is installed, the photovoltaic bracket 72 is arranged perpendicular to the tangent line of the arc pipe, the support plate 71 for supporting the photovoltaic module is fixed on the photovoltaic bracket 72, the support plate 71 is perpendicular to the photovoltaic bracket 72, and the tops of the support plates 71 are difficult to keep on the same plane, so that when the photovoltaic module is installed on the support plate 71, gaps are easy to exist between the photovoltaic module and the photovoltaic bracket 72, the installation is uneven, and the connection effect between the photovoltaic module and the photovoltaic bracket 72 is poor.

Disclosure of Invention

In order to solve the problem that it is difficult to keep the tops of the plurality of support plates in the same plane, the present application provides an adjustable bracket.

The application provides an adjustable support adopts following technical scheme: the utility model provides an adjustable support, includes first rotating assembly, be connected with lifting unit on the first rotating assembly, be connected with the second rotating assembly on the lifting unit, first rotating assembly can rotate around the axis that the rack was responsible for, the second rotating assembly can rotate around the horizontal axis that the perpendicular to rack was responsible for the axis.

Through adopting above-mentioned technical scheme, through setting up first rotating assembly and second rotating assembly, and first rotating assembly and second rotating assembly can rotate around different directions, drive the second rotating assembly through lifting unit and go up and down, be convenient for adjust in a flexible way the support to make the top of a plurality of supports keep on the coplanar, be convenient for install photovoltaic module, help realizing better installation effect.

In a specific embodiment, the first rotating assembly includes a first ferrule and a second ferrule, the first ferrule includes a first connecting portion and first positioning portions disposed on two sides of the first connecting portion, the second ferrule includes a second connecting portion and second positioning portions disposed on two sides of the second connecting portion, and fixing holes for the positioning members to pass through are formed in the first positioning portions and the second positioning portions.

Through adopting above-mentioned technical scheme, through setting up first cuff and second cuff, first cuff and second cuff can be in the net rack and be responsible for the upper rotating, adjusts the angle between adjustable support and the net rack and be responsible for, penetrates the locating part again in the fixed orifices, and first cuff and second cuff of being convenient for are fixed, are convenient for adjust.

In a specific implementation manner, the second rotating assembly comprises a first connecting piece and a second connecting piece, the first connecting piece is rotationally connected with the second connecting piece, through holes are formed in the first connecting piece and the second connecting piece, and the through holes are used for allowing the fixing pieces to pass through.

Through adopting above-mentioned technical scheme, through setting up first connecting piece and second connecting piece, first connecting piece and second connecting piece can rotate around the axis of through-hole to be convenient for adjust the position at support top, make each support top all be in the coplanar, be convenient for install photovoltaic module.

In a specific implementation manner, the lifting assembly comprises a first expansion joint and a second expansion joint, the first expansion joint and the second expansion joint are arranged in a hollow mode, the second expansion joint is slidably installed in the first expansion joint, a plurality of first positioning holes are formed in the first expansion joint, a plurality of second positioning holes are formed in the second expansion joint, and the first positioning holes and the second positioning holes are used for inserting locking pieces.

Through adopting above-mentioned technical scheme, through setting up first telescopic joint and second telescopic joint, can remove the second telescopic joint in first telescopic joint to realize high adjustment, the rethread inserts the retaining member in first locating hole and the second locating hole after the adjustment is accomplished, be convenient for fix a position first telescopic joint and second telescopic joint, convenient operation and be convenient for adjust.

In a specific embodiment, a reinforcement member is disposed between the first and second connector members and a spacer is disposed between the reinforcement member and the second connector member.

Through adopting above-mentioned technical scheme, through setting up the reinforcement, help reinforcing the connection effect between first connecting piece and the second connecting piece, the clearance between first reinforcement and the first connecting piece can be filled to the gasket, realizes better location effect.

In a specific embodiment, a positioning assembly is disposed in the lifting assembly, and the positioning assembly is used for locking the first rotating assembly and the second rotating assembly.

Through adopting above-mentioned technical scheme, through setting up locating component, the reinforcing is to the location effect of first rotating assembly and second rotating assembly, avoids first rotating assembly and second rotating assembly to produce not hard up as far as possible.

In a specific implementation, the locating component comprises a first connecting strip and a second connecting strip, a first sliding groove is formed in the side wall of the first expansion joint, the first connecting strip is slidably mounted in the first sliding groove, a second sliding groove is formed in the side wall of the second expansion joint, the second connecting strip is slidably mounted in the second sliding groove, a first fastening piece is arranged at one end, away from the second connecting strip, of the first connecting strip, a limiting hole for the first fastening piece to penetrate is formed in the first rotating component, a second fastening piece is arranged at one end, away from the first connecting strip, of the second connecting strip, and the second fastening piece is used for being inserted into the second rotating component, and a pushing component used for pushing the first connecting strip and the second connecting strip to be mutually far away is arranged in the first expansion joint.

Through adopting above-mentioned technical scheme, through making first fastener insert spacing downthehole and the net rack be responsible for supporting tightly, in the second fastener inserts the mounting, can realize further location to first rotating assembly and second rotating assembly when fixed lifting assembly, help realizing better location effect, avoid the not hard up of being connected between first rotating assembly and the second rotating assembly as far as possible.

In a specific embodiment, the end of the first connecting strip away from the first fastening piece is provided with a first wedge block, and the end of the second connecting strip away from the second fastening piece is provided with a second wedge block; the pushing assembly comprises a limiting bar and a pushing sleeve, a limiting groove is formed in the limiting bar, a limiting block is arranged on the pushing sleeve, the limiting block is slidably mounted in the limiting groove, the outer diameter of the pushing sleeve is gradually reduced along the insertion direction of the locking piece, a cavity for the locking piece to pass through is formed in the pushing sleeve, a pushing piece is fixed on the locking piece, and the pushing piece is used for pushing the pushing sleeve along the insertion direction of the locking piece, so that the pushing sleeve contacts with the first wedge block and the second wedge block, and the first wedge block and the second wedge block are far away from each other.

Through adopting above-mentioned technical scheme, when inserting the retaining member, the retaining member drives the blade and promotes the cover, makes to promote cover and first voussoir and second voussoir contact, promotes first voussoir and second voussoir and keeps away from each other, makes first fastener fix a position first rotating assembly, and second fastener fixes a position second rotating assembly, and convenient operation helps guaranteeing the positioning effect.

In a specific implementation manner, a first spring is sleeved on the first fastener, one end of the first spring is in contact with the first connecting piece, and the other end of the first spring is in contact with the first connecting strip; and a second spring is sleeved on the second fastening piece, one end of the second spring is contacted with the first hoop, and the other end of the second spring is contacted with the second connecting strip.

Through adopting above-mentioned technical scheme, when taking out the retaining member, first voussoir can be promoted to the first spring and reset, and the second voussoir can be promoted to the second spring and reset, makes first fastener follow spacing downthehole shifting out, and the second fastener is followed the spliced eye and is shifted out, is convenient for dismantle first rotating assembly and second rotating assembly.

In a specific implementation mode, the first connecting pieces on two sides of the fixing piece are provided with clamping grooves, clamping plates are slidably installed in the clamping grooves, the side walls of the first connecting pieces are provided with clamping grooves, the clamping plates are slidably installed in the clamping grooves, and the second fastening pieces are provided with driving assemblies for driving the clamping plates on two sides of the fixing piece to approach each other.

Through adopting above-mentioned technical scheme, the splint that drive the mounting both sides through drive assembly are close to each other, make splint carry out the centre gripping to the mounting to can lock the mounting, avoid producing not hard up at the mounting after accomplishing as far as possible, thereby can guarantee photovoltaic module's installation effect.

In a specific embodiment, the drive assembly includes the mounting panel and sets up the push pedal in the mounting panel both sides, the mounting panel sets up the one end that is close to the mounting at the second fastener, the push pedal sets up the one side that keeps away from the second fastener at the splint, the push pedal sets up towards the lateral wall slope of splint one side, the distance between push pedal and the splint increases gradually along the one side that keeps away from the mounting panel, be equipped with the fixture block on the lateral wall of splint towards push pedal one side, the draw-in groove has been seted up on the lateral wall of push pedal towards splint one side, fixture block slidable mounting is in the draw-in groove.

Through adopting above-mentioned technical scheme, when taking out the retaining member, the second fastener drives the mounting panel and descends, and in-process that descends, the push pedal can drive the splint of mounting both sides and keep away from each other, makes splint loosen the mounting, is convenient for dismantle the mounting, convenient operation.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the supports are convenient to flexibly adjust, so that the tops of the supports are kept on the same plane, the photovoltaic module is convenient to install, and better installation effect is realized;

2. the lifting assembly is fixed, and meanwhile, the first rotating assembly and the second rotating assembly can be further positioned, so that a better positioning effect is realized, and the looseness of connection between the first rotating assembly and the second rotating assembly is avoided as much as possible;

3. the clamping plates on two sides of the fixing piece are driven by the driving assembly to be close to each other, so that the fixing piece is clamped by the clamping plates, the fixing piece can be locked, the fixing piece is prevented from loosening after installation is completed as much as possible, and the installation effect of the photovoltaic assembly can be guaranteed.

Drawings

Fig. 1 is a schematic structural diagram of a grid main tube, a support plate and a photovoltaic bracket in the background art.

Fig. 2 is a schematic view of the overall structure of the adjustable bracket according to embodiment 1 of the present application.

Fig. 3 is a schematic view of an exploded structure of an adjustable bracket according to embodiment 1 of the present application.

Fig. 4 is a sectional view showing the internal structure of the adjustable bracket according to embodiment 1 of the present application.

Fig. 5 is a schematic view showing the structure of a pushing assembly in an adjustable bracket according to embodiment 1 of the present application.

Fig. 6 is a partial schematic structural view of an adjustable bracket according to embodiment 2 of the present application.

Fig. 7 is a schematic view showing the structure of a driving assembly in an adjustable bracket according to embodiment 2 of the present application.

Reference numerals illustrate:

1. a first rotating assembly; 11. a first ferrule; 111. a first connection portion; 112. a first positioning portion; 12. a second ferrule; 121. a second connecting portion; 122. a second positioning portion; 13. a fixing hole; 14. a positioning piece; 15. channel steel; 151. a connection hole; 2. a lifting assembly; 21. a first telescopic joint; 22. a second telescopic joint; 23. a first positioning hole; 24. a second positioning hole; 25. a locking member; 3. a second rotating assembly; 31. a first connector; 311. a first connection plate; 312. a first rotating plate; 32. a second connector; 321. a second connecting plate; 322. a second rotating plate; 33. a through hole; 34. a fixing member; 341. a plug hole; 35. a reinforcement; 36. a gasket; 4. a positioning assembly; 41. a first connecting bar; 42. a second connecting bar; 43. a first chute; 44. a first slider; 45. a first fastener; 46. a limiting hole; 47. a first spring; 48. a second chute; 49. a second slider; 50. a second fastener; 51. a second spring; 52. a first wedge; 53. a second wedge; 6. a pushing assembly; 61. a limit bar; 62. pushing the sleeve; 63. a lifting groove; 64. a limiting block; 65. a pushing piece; 66. a limit groove; 7. a net rack main pipe; 71. a support plate; 72. a photovoltaic support; 8. a drive assembly; 80. a clamping plate; 81. a clamping groove; 82. a mounting plate; 83. a push plate; 84. a clamping block; 85. a clamping groove; 86. a limiting ring; 87. fastening grooves.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

Example 1:

the embodiment of the application discloses adjustable support, refer to fig. 2, and adjustable support is including installing first rotating assembly 1 on rack is responsible for 7, is connected with lifting unit 2 on the first rotating assembly 1, is connected with second rotating assembly 3 on the lifting unit 2, and first rotating assembly 1 can rotate around rack is responsible for the axis of 7, and second rotating assembly 3 can rotate along different directions with first rotating assembly 1. After the adjustable support is installed on the net rack main pipe 7, the angle between the first rotating assembly 1 and the net rack main pipe 7 can be adjusted, the height of the lifting assembly 2 is adjusted, and the angle of the second rotating assembly 3 is adjusted, so that the tops of the adjustable supports are positioned on the same plane, and the photovoltaic assembly is conveniently installed on the adjustable supports.

Referring to fig. 3, the first rotating assembly 1 includes a first ferrule 11 and a second ferrule 12, the first ferrule 11 includes a first connecting portion 111 and a first positioning portion 112 that are integrally formed, the first connecting portion 111 is arc-shaped and is attached to an outer wall of the main pipe 7 of the net rack, two first positioning portions 112 are provided, and two first positioning portions 112 are respectively provided at two opposite sides of the first connecting portion 111. The second hoop 12 comprises a second connecting portion 121 and a second positioning portion 122 which are integrally formed, the second connecting portion 121 is arc-shaped and is attached to the outer wall of the net rack main pipe 7, two second positioning portions 122 are arranged, and the two second positioning portions 122 are respectively arranged on two opposite sides of the second connecting portion 121. The first connecting portion 111 and the second connecting portion 121 are provided with fixing holes 13 through which the positioning members 14 pass, and the positioning members 14 may be bolts, screws, studs, or the like, in this embodiment, bolts.

Referring to fig. 3, the first ferrule 11 and the second ferrule 12 are attached to the rack main pipe 7, the first ferrule 11 and the second ferrule 12 are rotated, the angle between the first ferrule 11 and the second ferrule 12 and the rack main pipe 7 is adjusted, and the positioning piece 14 is inserted into the first positioning portion 112 and the second positioning portion 122, thereby fixing the first ferrule 11 and the second ferrule 12.

Referring to fig. 3, a channel steel 15 is fixed to the first ferrule 11, the channel steel 15 is U-shaped, and an opening of the channel steel 15 is provided toward the first ferrule 11. The lifting assembly 2 comprises a first telescopic joint 21 and a second telescopic joint 22, the first telescopic joint 21 is fixed on the channel steel 15, the first telescopic joint 21 and the second telescopic joint 22 are hollow, and the second telescopic joint 22 is slidably mounted in the first telescopic joint 21. A plurality of first positioning holes 23 are formed in the side wall of the first telescopic joint 21, a plurality of second positioning holes 24 are formed in the side wall of the second telescopic joint 22, the first positioning holes 23 can be aligned with the second positioning holes 24, and the first positioning holes 23 and the second positioning holes 24 are used for inserting locking pieces 25. The locking member 25 may be a bolt, screw, stud, etc., in this embodiment a bolt.

Referring to fig. 3, by sliding the second telescopic joint 22 in the first telescopic joint 21, when the second telescopic joint 22 is adjusted to a proper height, the first positioning hole 23 is aligned with the second positioning hole 24, and then the locking member 25 is inserted into the first positioning hole 23 and the second positioning hole 24, so as to position the second telescopic joint 22, and avoid the second telescopic joint 22 from sliding in the first telescopic joint 21 as much as possible.

Referring to fig. 3, the second rotating assembly 3 includes a first link 31 and a second link 32, and the first link 31 is rotatably connected with the second link 32. The first link 31 includes a first link plate 311 fixed to the top end of the second telescopic joint 22 and a first rotating plate 312 fixed to the top wall of the first link plate 311. The second connecting piece 32 includes a second connecting plate 321 and a second rotating plate 322 fixed on the bottom wall of the second connecting plate 321, and through holes 33 are formed on the first rotating plate 312 and the second rotating plate 322, and the through holes 33 are used for the fixing piece 34 to pass through. The fasteners 34 may be pins, screws, studs, etc., in this embodiment bolts. By rotating the second connecting piece 32, the angle between the first connecting piece 31 and the second connecting piece 32 is adjusted, after the angle is adjusted to a proper position, the fixing piece 34 is inserted into the through hole 33, and the positioning of the first connecting piece 31 and the second connecting piece 32 is realized.

Referring to fig. 3, a reinforcement member 35 is disposed between the first connecting member 31 and the second connecting member 32, and the reinforcement member 35 penetrates the first connecting member 31 and the second connecting member 32, and the reinforcement member 35 may be one or several, in this embodiment, four, and the reinforcement member 35 may be a bolt, a screw, a stud, or the like, in this embodiment, a bolt. The gasket 36 is arranged between the reinforcement member 35 and the first connecting piece 31, the gasket 36 is wedge-shaped, and after the angle between the first connecting piece 31 and the second connecting piece 32 is adjusted, the wedge-shaped gasket 36 can fill the gap between the first connecting piece 31 and the reinforcement member 35, so that a better positioning effect is realized.

Referring to fig. 4 and 5, a positioning assembly 4 is disposed in the first expansion joint 21 and the second expansion joint 22, and the positioning assembly 4 is used for positioning the first rotating assembly 1 and the second rotating assembly 3, so as to avoid loosening of the first rotating assembly 1 and the second rotating assembly 3 as much as possible. The positioning assembly 4 comprises a first connecting strip 41 and a second connecting strip 42, a first sliding groove 43 is formed in the inner wall of the first telescopic joint 21, the first sliding groove 43 is formed along the length direction of the first telescopic joint 21, a first sliding block 44 is fixed on the side wall of the first connecting strip 41, and the first sliding block 44 is slidably mounted in the first sliding groove 43. The end of the first connecting strip 41 remote from the second connecting strip 42 is fixed with a first fastener 45, and the first fastener 45 may be a bolt, a screw, a stud, or the like, and in this embodiment is specifically a bolt. The first hoop 11 is provided with a limiting hole 46 penetrating through the first hoop 11, the channel steel 15 is provided with a connecting hole 151 penetrating through the channel steel 15, and the first fastener 45 can penetrate through the connecting hole 151 and the limiting hole 46 and is abutted against the first hoop 11. The first fastener 45 is sleeved with a first spring 47, one end of the first spring 47 is in contact with the first ferrule 11, and the other end is in contact with the first connecting strip 41. The first wedge 52 is fixed to one end of the first connecting bar 41 away from the first fastening member 45, the first wedge 52 is inclined toward the side wall of the locker 25 side, and the distance between the first wedge 52 and the locker 25 is gradually reduced along the insertion direction of the locker 25.

Referring to fig. 4, a second sliding groove 48 is formed in the inner wall of the second expansion joint 22, the second sliding groove 48 is formed along the length direction of the second expansion joint 22, a second sliding block 49 is fixed on the side wall of the second connecting bar 42, and the second sliding block 49 is slidably mounted in the second sliding groove 48. The end of the second connecting strip 42 remote from the first connecting strip 41 is fixed with a second fastening member 50, and the first fastening member 45 may be a bolt, a screw, a stud, etc., in this embodiment, a bolt. The fixing member 34 is provided with a plug hole 341 through which the second fastening member 50 passes. The second fastening member 50 is sleeved with a second spring 51, one end of the second spring 51 contacts the first connecting member 31, and the other end contacts the second connecting bar 42. The second wedge 53 is fixed to one end of the second connecting bar 42 away from the second fastening member 50, and the second wedge 53 is inclined toward the sidewall of the locking member 25 side, and the distance between the second wedge 53 and the locking member 25 is gradually reduced along the insertion direction of the locking member 25.

Referring to fig. 4 and 5, a pushing assembly 6 for pushing the first wedge block 52 and the second wedge block 53 is disposed in the first telescopic joint 21, the pushing assembly 6 includes a limit bar 61 and a pushing sleeve 62, a lifting groove 63 is formed in the second telescopic joint 22, and the limit bar 61 passes through the lifting groove 63 and is fixed on the inner wall of the first telescopic joint 21. The limiting bar 61 is provided with a limiting groove 66, the outer wall of the pushing sleeve 62 is fixedly provided with a limiting block 64, and the limiting block 64 is slidably arranged in the limiting groove 66. The pushing sleeve 62 is provided with a cavity for the locking member 25 to pass through, the outer diameter of the pushing sleeve 62 gradually decreases along the insertion direction of the locking member 25, the locking member 25 is fixedly sleeved with a pushing piece 65, and the pushing piece 65 is arranged on one side of the pushing sleeve 62 with the large outer diameter.

Referring to fig. 4 and 5, after the relative positions of the first telescopic joint 21 and the second telescopic joint 22 are adjusted, the locking piece 25 is inserted into the first positioning hole 23 and the second positioning hole 24, the locking piece 25 penetrates through the cavity, the pushing piece 65 pushes the pushing sleeve 62 to slide in the limiting groove 66, the pushing sleeve 62 pushes the first wedge block 52 to move downwards in the sliding process, meanwhile, the second wedge block 53 is pushed to move upwards, the first fastening piece 45 is inserted into the first limiting hole 46 and abuts against the net rack main pipe 7, the second fastening piece 50 is inserted into the inserting hole 341, the fixing piece 34 is positioned, and the first rotating assembly 1 and the second rotating assembly 3 are prevented from loosening as much as possible, so that a better positioning effect is achieved.

The implementation principle of the embodiment of the application is as follows: the first hoop 11 and the second hoop 12 are firstly installed on the main net rack pipe 7 through the positioning piece 14, the angle between the first hoop 11 and the second hoop 12 and the main net rack pipe 7 is adjusted, the channel steel 15 is fixed on the first hoop 11, the lifting assembly 2 is fixed on the channel steel 15, and after the angle between the first connecting piece 31 and the second connecting piece 32 is adjusted, the lifting assembly is fixed through the fixing piece 34. After the height of the second telescopic joint 22 is adjusted, the locking piece 25 is inserted into the cavity, the locking piece 25 drives the pushing sleeve 62 to simultaneously push the first wedge block 52 and the second wedge block 53 to be away from each other, so that the first fastening piece 45 is inserted into the limiting hole 46 to be abutted against the net rack main pipe 7, the second fastening piece 50 is inserted into the fixing piece 34, further positioning of the first rotating assembly 1 and the second rotating assembly 3 is achieved, and better positioning effect is facilitated.

Example 2:

referring to fig. 6 and 7, the embodiment of the present application is different from embodiment 1 in that the fixing member 34 is specifically a latch in the present embodiment, and the clamping plates 80 are slidably mounted on the first connecting members 31 on both sides of the fixing member 34. The side wall of the first connecting piece 31 is provided with a clamping groove 81, a clamping plate 80 is slidably arranged in the clamping groove 81, and the clamping plate 80 is used for clamping and locking the fixing piece 34. The top of second fastener 50 is equipped with the drive assembly 8 that drive splint 80 is close to each other, and drive assembly 8 includes mounting panel 82 and push pedal 83, and mounting panel 82 is fixed on the top of second fastener 50, and mounting panel 82 is the arc, and the minimum of arc sets up towards first connecting plate 311 for the arc can step down to mounting 34 when going up and down. The push plate 83 is fixed on the side wall of the mounting plate 82 on the side facing the fixing member 34, and the push plate 83 is disposed on the side of the clamping plate 80 facing away from the fixing member 34, the push plate 83 is disposed obliquely toward the side wall of the clamping plate 80, and the distance between the push plate 83 and the clamping plate 80 is gradually increased along the side facing away from the mounting plate 82. The clamping block 84 is fixed on the side wall of the clamping plate 80 facing the pushing plate 83, the clamping block 84 is specifically a dovetail block, the clamping groove 85 is formed in the side wall of the pushing plate 83 facing the clamping plate 80, the clamping groove 85 is specifically a dovetail groove, and the clamping block 84 is slidably mounted in the clamping groove 85.

Referring to fig. 5 and 7, after the locking member 25 is inserted into the cavity, the pushing sleeve 62 pushes the second wedge 53 upward, thereby driving the mounting plate 82 to rise, and the mounting plate 82 drives the clamping plates 80 at both sides of the fixing member 34 to approach each other, so that the clamping plates 80 clamp and lock the fixing member 34. The fixing member 34 is fixedly sleeved with a plurality of limiting rings 86, the clamping plate 80 is provided with fastening grooves 87, the fastening grooves 87 are particularly trapezoid grooves, and the fastening grooves 87 gradually decrease along one side away from the limiting rings 86. When the clamping plates 80 on both sides are brought close to each other, the clamping force to the retainer ring 86 is tighter as the fastening groove 87 is reduced, so that a better clamping effect can be achieved. After the locking piece 25 is pulled out of the cavity, the second wedge block 53 descends to drive the mounting plate 82 and the push plate 83 on the mounting plate 82 to descend, and the push plate 83 drives the clamping plates 80 on two sides of the fixing piece 34 to be away from each other, so that the clamping plates 80 loosen the fixing piece 34, and the disassembly is convenient.

The implementation principle of the embodiment of the application is as follows: the locking piece 25 is inserted into the cavity, the pushing piece 65 pushes the pushing sleeve 62, so that the pushing sleeve 62 pushes the first wedge block 52 and the second wedge block 53 to be away from each other, the second wedge block 53 drives the second connecting strip 42 and the mounting plate 82 to ascend, the clamping plates 80 on two sides of the fixing piece 34 are close to each other under the action of the pushing plate 83, and the clamping plates 80 clamp the fixing piece 34 to lock the fixing piece 34. When the locking piece 25 is taken out, the mounting plate 82 and the second connecting strip 42 descend to drive the push plate 83 to descend, and the clamping grooves 85 are clamped with the clamping blocks 84 to drive the clamping plates 80 on two sides to be away from each other, so that the clamping plates 80 release the fixing piece 34 to realize unlocking.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (10)

1. An adjustable bracket, characterized in that: including first rotating assembly (1), be connected with lifting unit (2) on first rotating assembly (1), be connected with second rotating assembly (3) on lifting unit (2), first rotating assembly (1) can rotate around the axis that the rack was responsible for, second rotating assembly (3) can rotate around the horizontal axis that the perpendicular to rack was responsible for the axis.

2. An adjustable support according to claim 1, wherein: the first rotating assembly (1) comprises a first hoop (11) and a second hoop (12), the first hoop (11) comprises a first connecting portion (111) and first positioning portions (112) arranged on two sides of the first connecting portion (111), the second hoop (12) comprises a second connecting portion (121) and second positioning portions (122) arranged on two sides of the second connecting portion (121), and fixing holes (13) for a positioning piece (14) to penetrate are formed in the first positioning portions (112) and the second positioning portions (122).

3. An adjustable support according to claim 1, wherein: the second rotating assembly (3) comprises a first connecting piece (31) and a second connecting piece (32), the first connecting piece (31) is rotationally connected with the second connecting piece (32), through holes (33) are formed in the first connecting piece (31) and the second connecting piece (32), and the through holes (33) are used for allowing fixing pieces (34) to penetrate through.

4. An adjustable support according to claim 3, wherein: lifting assembly (2) are including first telescopic joint (21) and second telescopic joint (22), first telescopic joint (21) with second telescopic joint (22) cavity sets up, second telescopic joint (22) slidable mounting is in first telescopic joint (21), a plurality of first locating holes (23) have been seted up on first telescopic joint (21), a plurality of second locating holes (24) have been seted up on second telescopic joint (22), first locating hole (23) with second locating hole (24) are used for supplying retaining member (25) to insert.

5. An adjustable support according to claim 4, wherein: the lifting assembly (2) is internally provided with a positioning assembly (4), and the positioning assembly (4) is used for locking the first rotating assembly (1) and the second rotating assembly (3).

6. An adjustable support according to claim 5, wherein: the positioning assembly (4) comprises a first connecting strip (41) and a second connecting strip (42), a first sliding groove (43) is formed in the side wall of the first telescopic joint (21), the first connecting strip (41) is slidably mounted in the first sliding groove (43), a second sliding groove (48) is formed in the side wall of the second telescopic joint (22), the second connecting strip (42) is slidably mounted in the second sliding groove (48), a first fastening piece (45) is arranged at one end, far away from the second connecting strip (42), of the first connecting strip (41), a limiting hole (46) for the first fastening piece (45) to penetrate is formed in the first rotary assembly (1), a second fastening piece (50) is arranged at one end, far away from the first connecting strip (41), of the second connecting strip (42), the second fastening piece (50) is used for being inserted into the second rotary assembly (3), and a first telescopic joint (21) is internally provided with a first fastening piece (45) and a second fastening piece (42) which is used for pushing the first fastening piece (41) and the second connecting strip (42) to be far away from each other (6).

7. An adjustable support according to claim 6, wherein: a first wedge block (52) is arranged at one end, far away from the first fastening piece (45), of the first connecting strip (41), and a second wedge block (53) is arranged at one end, far away from the second fastening piece (50), of the second connecting strip (42); the pushing assembly (6) comprises a limiting strip (61) and a pushing sleeve (62), a limiting groove (66) is formed in the limiting strip (61), a limiting block (64) is arranged on the pushing sleeve (62), the limiting block (64) is slidably mounted in the limiting groove (66), the outer diameter of the pushing sleeve (62) is gradually reduced along the inserting direction of the locking piece (25), a cavity for the locking piece (25) to pass through is formed in the pushing sleeve (62), a pushing piece (65) is fixed on the locking piece (25), and the pushing piece (65) is used for pushing the pushing sleeve (62) along the inserting direction of the locking piece (25) so that the pushing sleeve (62) is contacted with the first wedge block (52) and the second wedge block (53) and the first wedge block (52) and the second wedge block (53) are mutually far away.

8. An adjustable bracket according to claim 7, wherein: a first spring (47) is sleeved on the first fastening piece (45), one end of the first spring (47) is contacted with the first connecting piece (31), and the other end of the first spring is contacted with the first connecting strip (41); and a second spring (51) is sleeved on the second fastening piece (50), one end of the second spring (51) is contacted with the first hoop (11), and the other end of the second spring is contacted with the second connecting strip (42).

9. An adjustable support according to claim 6, wherein: clamping grooves (81) are formed in the first connecting pieces (31) on two sides of the fixing piece (34), clamping plates (80) are mounted in the clamping grooves (81) in a sliding mode, clamping grooves (81) are formed in the side walls of the first connecting pieces (31), the clamping plates (80) are mounted in the clamping grooves (81) in a sliding mode, and driving assemblies (8) used for driving the clamping plates (80) on two sides of the fixing piece (34) to be close to each other are arranged on the second fastening pieces (50).

10. An adjustable support according to claim 9, wherein: the driving assembly (8) comprises a mounting plate (82) and push plates (83) arranged on two sides of the mounting plate (82), the mounting plate (82) is arranged at one end, close to the fixing piece (34), of the second fastening piece (50), the push plates (83) are arranged on one side, far away from the second fastening piece (50), of the clamping plates (80), the push plates (83) are obliquely arranged towards the side wall of one side of the clamping plates (80), the distance between the push plates (83) and the clamping plates (80) is gradually increased along the side, far away from the mounting plate (82), of the clamping plates (80), clamping blocks (84) are arranged on the side wall, facing the side wall of the push plates (83), of the clamping plates (80), of the clamping plates (83), clamping grooves (85) are formed in the side wall, and the clamping blocks (84) are slidably arranged in the clamping grooves (85).

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