CN217644936U

CN217644936U - Support frame with adjustable angle

Info

Publication number: CN217644936U
Application number: CN202122180521.8U
Authority: CN
Inventors: 刘西旺; 刘淳; 袁颖
Original assignee: TIANJIN TAIBO EXHIBITION DEVICES MANUFACTURE CO LTD
Current assignee: TIANJIN TAIBO EXHIBITION DEVICES MANUFACTURE CO LTD
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-10-25
Anticipated expiration: 2031-09-10

Abstract

The utility model belongs to the technical field of the support frame technique and specifically relates to a support frame with adjustable angle, including the water injection base, the dead lever of pegging graft, rotation support pole and two support horizontal poles, the dead lever of pegging graft is pegged graft on the water injection base, and rotation support pole is located one side that the water injection base was kept away from to the dead lever of pegging graft, is provided with climbing mechanism between rotation support pole and the grafting dead lever, and climbing mechanism is used for controlling the rotation regulation of rotation support pole on the dead lever of pegging graft, and two support horizontal poles are located one side that rotation support pole kept away from the dead lever of pegging graft, the utility model discloses a climbing mechanism can carry out the whole 360 regulation in support frame upper portion, makes things convenient for the support frame to carry out the regulation of angle according to actual conditions and uses, is convenient for carry out diversified show to product information on the support frame, also can carry out the regulation of angle through coupling assembling between two support horizontal poles, the bandwagon effect of product show board on the further improvement support frame.

Description

Support frame with adjustable angle

Technical Field

The utility model relates to a support frame field especially relates to a support frame with adjustable angle.

Background

When needs were publicized to the product, often can use the support frame, the LOGO sign of having the creative idea is added to the support frame, makes the striking display of product present the public to the propaganda advertising effect to the product increases.

The prior art discloses some patent documents about the marketing field, chinese patent with application number 202021067493.8 discloses a marketing show support frame, the on-line screen storage device comprises a base, the bottom four corners of base all is provided with the wheel, the top surface central authorities of base are provided with the bracing piece, the top of bracing piece is provided with the supporting seat, the top surface of supporting seat has set gradually the fixing base, one side of supporting seat is provided with the mechanical structure assembly, the mechanical structure assembly includes lifting mechanism and by the lifting structure, by the lifting structure include the lifting diaphragm, one side of lifting diaphragm has set gradually carries thing board and lug.

At present, most of support frame is the fixed state usually when using, is difficult to carry out the regulation of angle, and when in-service use, the unable adjustment of angle of support frame influences the propaganda effect of product display board to the product on the support frame easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an angle-adjustable support frame.

In order to achieve the above purpose, the utility model adopts the technical scheme that: an angle-adjustable support frame comprises a water injection base, an inserting fixing rod, a rotating support rod and two support cross rods, wherein the inserting fixing rod is inserted on the water injection base, the rotating support rod is positioned on one side, away from the water injection base, of the inserting fixing rod, a jacking mechanism is arranged between the rotating support rod and the inserting fixing rod and used for controlling the rotating adjustment of the rotating support rod on the inserting fixing rod, the two support cross rods are positioned on one sides, away from the inserting fixing rod, of the rotating support rod, a connecting assembly is arranged between the two support cross rods and the rotating support rod and used for adjusting the angle between the two support cross rods; the during operation, the grafting dead lever is connected on the water injection base, the water injection base makes grafting dead lever and rotation support pole remain stable through inside water, connect through climbing mechanism between grafting dead lever and the rotation support pole, climbing mechanism makes rotation support pole and grafting dead lever between the joint fixed, when the angle of support frame needs to be adjusted, make rotation support pole rebound through climbing mechanism, keep away from between rotation support pole and the grafting dead lever, do not carry out the joint between rotation support pole and the grafting dead lever this moment, rotation support pole can advance 360 rotations, thereby reach the purpose of adjusting the support frame angle, after the angle modulation is accomplished, loosen climbing mechanism, climbing mechanism is at the effect automatic re-setting of rotation support pole weight, thereby make and be connected between rotation support pole and the grafting dead lever, make rotation support pole remain stable, two support horizontal poles are connected with the product show board, be connected through coupling assembling between two support horizontal poles and the rotation support pole, coupling assembling of two rotation support horizontal poles can carry out the regulation of angle between two support horizontal poles when carrying out the equipment of two rotation support horizontal poles.

Preferably, the jacking mechanism comprises a rotating sleeve, the rotating sleeve is rotatably connected to the circumferential surface of the rotating support rod, the circumferential surface of the rotating sleeve is fixedly connected with two lifting strips, one ends of the two lifting strips, which are far away from each other, are both rotatably connected with a rotating shaft, the circumferential surface of the inserting fixed rod is fixedly connected with a T-shaped fixed rod, two sides of the T-shaped fixed rod are rotatably connected with U-shaped rotating frames, the rear side of the U-shaped rotating frame is fixedly connected with two sliding frames, the two rotating shafts respectively slide in the two sliding frames, one end, close to the inserting fixing rod and the rotating supporting rod, of the rotating supporting rod is fixedly connected with a group of limiting latch teeth, the two groups of limiting latch teeth are clamped, one end, close to the inserting fixing rod, of the rotating supporting rod is fixedly connected with a stable inserting rod, and the stable inserting rod is inserted in the inserting fixing rod; when the rotating support rod adjusting device works, when the rotating support rod needs to rotate, the U-shaped rotating frame is pressed downwards, the U-shaped rotating frame rotates through the T-shaped fixing rod, meanwhile, the two sliding frames rotate along with the U-shaped rotating frame, the two lifting strips are jacked up through the two rotating shafts when the two sliding frames rotate, the two rotating shafts slide in the two sliding frames respectively, the two lifting strips lift up the rotating support rod through the rotating sleeve, two groups of limiting clamping teeth between the inserting fixing rod and the rotating support rod are kept away, meanwhile, the stable inserting rod slides upwards in the inserting fixing rod along with the movement of the rotating support rod, the stability of the rotating support rod is kept, the rotating support rod can rotate through the rotating sleeve at the moment, the angle of the rotating support rod is adjusted, after the angle adjustment is completed, the U-shaped rotating frame is loosened, the rotating support rod resets under the action of gravity, the two groups of limiting clamping teeth are clamped with each other, the rotating support rod is limited, and the rotating support rod is kept stable on the inserting fixing rod.

Preferably, the circumferential surface of the inserting fixing rod is fixedly connected with a limiting rod, and the limiting rod corresponds to the U-shaped rotating frame; the during operation, the gag lever post can be contacted at the pivoted in-process to the U type commentaries on classics frame, changes the rotation range of frame to the U type through the gag lever post and restricts, when the gag lever post changes the frame with the U type and contacts, the dead lever is kept away from by climbing mechanism jack-up to the bracing piece, and two spacing latches between bracing piece and the dead lever are not the joint, change the restriction of frame through the gag lever post to the U type, and the definite bracing piece that can be accurate can rotate.

Preferably, the connecting assembly comprises an inserting pipe, the inserting pipe is inserted into one end of the rotary supporting rod, which is far away from the inserting fixing rod, connecting pipes are inserted into the ends, which are close to the two supporting cross rods, of the two supporting cross rods, limiting clamping pieces are fixedly connected to the ends, which are close to the two connecting pipes, of the two limiting clamping pieces in a staggered distribution and are clamped with each other, fastening screws are in threaded connection between the two limiting clamping pieces, and one end, which is far away from the rotary supporting rod, of the inserting pipe is fixedly connected with one limiting clamping piece; during operation, through inserting the pipe of pegging graft to rotating the bracing piece in, the pipe of pegging graft takes a connecting pipe to fix through a spacing fastener, another connecting pipe carries out the adjustment of angle, correspond two spacing fasteners after another connecting pipe angular adjustment is accomplished and place, the one end that two spacing fasteners are close to mutually has the latch, can carry out the joint spacing, then make two spacing fasteners fix through fastening screw, then insert two support horizontal poles respectively and assemble on two connecting pipes, thereby realize two regulation of supporting different angles between the horizontal pole.

Preferably, a first elastic sheet is installed in the plug pipe, a first clamping block is fixedly connected to the surface of the first elastic sheet, a first clamping hole is formed in the circumferential surface of the rotating support rod, and the first clamping block penetrates through the plug pipe and is clamped in the first clamping hole; during operation, the plug pipe is inserted to the rotation bracing piece in the back, makes first fixture block and first card hole correspond through adjusting different positions, and the elasticity that first shell fragment produced can make first fixture block joint to in the first card hole to make the plug pipe and rotate the connection between the bracing piece and keep stable.

Preferably, second elastic pieces are installed in the two connecting pipes, second clamping blocks are fixedly connected to the surfaces of the two second elastic pieces, second clamping holes are formed in the circumferential surfaces of the two supporting cross rods, and the two second clamping blocks are clamped in the two second clamping holes respectively; during operation, two support horizontal poles make two second fixture blocks correspond with two second card holes respectively through adjusting different positions after inserting the surface to two connecting pipes, and the elasticity that two second shell fragments produced can make two second fixture blocks connect to respectively in two second card holes to it is stable to make two support horizontal poles and the connection between two connecting pipes remain.

Preferably, the surface of the water injection base is provided with a water injection hole and a water outlet; during operation, the water injection base passes through the water injection hole water injection, improves the weight of water injection base to improve the holistic stability of support frame, when the support frame need remove, can emit the water in the water injection base through the outlet, alleviate the weight of support frame, the support frame of being convenient for removes.

Compared with the prior art, the utility model discloses following beneficial effect has:

the inserting fixing rod is connected to the water injection base, the inserting fixing rod and the rotating support rod are kept stable by the water inside the water injection base, the inserting fixing rod is connected with the rotating support rod through the jacking mechanism, the rotating support rod and the inserting fixing rod are clamped and fixed through the jacking mechanism, when the angle of the support frame needs to be adjusted, the rotating support rod is moved upwards through the jacking mechanism and is far away from the inserting fixing rod, the rotating support rod and the inserting fixing rod are not clamped, the rotating support rod can rotate 360 degrees, the aim of adjusting the angle of the support frame is achieved, after the angle adjustment is completed, the jacking mechanism is released, the jacking mechanism automatically resets under the action of the weight of the rotating support rod, thereby make and connect between rotation support pole and the grafting dead lever, make rotation support pole remain stable, two support horizontal poles are connected with the product show board, two support horizontal poles and rotation support between the pole be connected through coupling assembling, coupling assembling can carry out two regulations that support the angle between the horizontal pole when carrying out two rotation support pole's equipment, the utility model discloses a climbing mechanism can carry out the whole 360 regulation in support frame upper portion, makes things convenient for the support frame to carry out the regulation use of angle according to actual conditions, is convenient for carry out diversified show to product information on the support frame, also can carry out the regulation of angle through coupling assembling between two support horizontal poles, further improvement on the support frame the bandwagon effect of product show board.

Drawings

Fig. 1 is an elevation view of the present invention;

fig. 2 is an enlarged view of a portion a of fig. 1 according to the present invention;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is an exploded view of a middle part of the structure of the present invention

Fig. 5 is a cross-sectional view of the present invention.

In the figure: 1. a water injection base; 2. inserting a fixed rod; 3. rotating the support rod; 4. a support rail; 5. rotating the sleeve; 501. a lifting bar; 502. a rotating shaft; 503. a T-shaped fixing rod; 504. u-shaped rotating frames; 505. a sliding frame; 506. limiting latch teeth; 507. stabilizing the inserted rod; 6. a limiting rod; 7. inserting a pipe; 701. a connecting pipe; 702. a limiting clamping piece; 703. a fastening screw; 8. a first spring plate; 9. a first clamping block; 10. a first card hole; 11. a second elastic sheet; 12. a second fixture block; 13. a second card hole; 14. a water injection hole; 15. and a water outlet.

Detailed Description

The following description is provided to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1-5, the angle-adjustable supporting frame includes a water injection base 1, an insertion fixing rod 2, a rotary supporting rod 3 and two supporting cross rods 4, the insertion fixing rod 2 is inserted into the water injection base 1, the rotary supporting rod 3 is located at one side of the insertion fixing rod 2 away from the water injection base 1, a jacking mechanism is arranged between the rotary supporting rod 3 and the insertion fixing rod 2, the jacking mechanism is used for controlling the rotary adjustment of the rotary supporting rod 3 on the insertion fixing rod 2, the two supporting cross rods 4 are located at one side of the rotary supporting rod 3 away from the insertion fixing rod 2, a connecting component is arranged between the two supporting cross rods 4 and the rotary supporting rod 3, and the connecting component is used for adjusting the angle between the two supporting cross rods 4; during operation, grafting dead lever 2 is connected on water injection base 1, water injection base 1 makes grafting dead lever 2 and rotation support pole 3 remain stable through inside water, connect through climbing mechanism between grafting dead lever 2 and the rotation support pole 3, climbing mechanism makes rotation support pole 3 and grafting dead lever 2 between the joint fixed, when the angle of support frame needs to be adjusted, make rotation support pole 3 move up through climbing mechanism, keep away from between rotation support pole 3 and the grafting dead lever 2, at this moment, do not carry out the joint between rotation support pole 3 and the grafting dead lever 2, rotation support pole 3 can advance 360 rotations, thereby reach the purpose of adjusting the support frame angle, after the angle modulation is accomplished, loosen climbing mechanism, climbing mechanism is at the effect automatic re-setting of rotation support pole 3 weight, thereby make and connect between rotation support pole 3 and the grafting dead lever 2, make rotation support pole 3 remain stable, two support horizontal poles 4 are connected with the product show board, two support horizontal poles 4 and rotate and be connected through coupling assembling between the support horizontal pole 3, coupling assembling can carry out the regulation of angle between two support horizontal poles 4 when carrying out the equipment of two rotation support poles 3.

The jacking mechanism comprises a rotating sleeve 5, the rotating sleeve 5 is rotatably connected to the circumferential surface of a rotating supporting rod 3, the circumferential surface of the rotating sleeve 5 is fixedly connected with two lifting strips 501, the ends, far away from the two lifting strips 501, of the two lifting strips are rotatably connected with rotating shafts 502, the circumferential surface of an inserting fixing rod 2 is fixedly connected with a T-shaped fixing rod 503, the two sides of the T-shaped fixing rod 503 are rotatably connected with a U-shaped rotating frame 504, the rear side of the U-shaped rotating frame 504 is fixedly connected with two sliding frames 505, the two rotating shafts 502 respectively slide in the two sliding frames 505, the ends, close to the inserting fixing rod 2 and the rotating supporting rod 3, of the inserting fixing rod 2 are fixedly connected with a group of limiting latch teeth 506, the two groups of limiting latch teeth 506 are clamped with each other, the end, close to the inserting fixing rod 2, of the rotating supporting rod 3 is fixedly connected with a stable inserting rod 507, and the stable inserting rod 507 is inserted in the inserting fixing rod 2; when the rotating support rod 3 works, when the rotating support rod 3 needs to rotate, the U-shaped rotating frame 504 is pressed downwards, the U-shaped rotating frame 504 rotates through the T-shaped fixing rod 503, meanwhile, the two sliding frames 505 rotate along with the U-shaped rotating frame 504, when the two sliding frames 505 rotate, the two lifting strips 501 are jacked up through the two rotating shafts 502, the two rotating shafts 502 slide in the two sliding frames 505 respectively, the two lifting strips 501 lift the rotating support rod 3 through the rotating sleeve 5, so that two groups of limiting clamping teeth 506 between the inserting fixing rod 2 and the rotating support rod 3 are kept away, meanwhile, the stable inserting rod 507 slides upwards in the inserting fixing rod 2 along with the movement of the rotating support rod 3, the stability of the rotating support rod 3 is kept, at the moment, the rotating support rod 3 can rotate through the rotating sleeve 5, so as to realize the angle adjustment of the rotating support rod 3, after the angle adjustment is completed, the U-shaped rotating frame 504 is loosened, the rotating support rod 3 is reset under the action of gravity, the two groups of limiting clamping teeth 506 are mutually clamped, so as to limit the rotation of the rotating support rod 3, and keep the rotating support rod 3 stable on the inserting fixing rod 2.

The circumferential surface of the inserting fixing rod 2 is fixedly connected with a limiting rod 6, and the limiting rod 6 corresponds to the U-shaped rotating frame 504; the during operation, the U type changes frame 504 and can contact gag lever post 6 at the pivoted in-process, changes the rotation range of frame 504 to the U type through gag lever post 6 and restricts, when gag lever post 6 changes frame 504 contact with the U type, dead lever 2 is kept away from by climbing mechanism jack-up to bracing piece 3, two spacing latches 506 between bracing piece 3 and the dead lever 2 do not joint, change the restriction of frame 504 to the U type through gag lever post 6, can be accurate confirm that bracing piece 3 can rotate.

The connecting assembly comprises an inserting pipe 7, the inserting pipe 7 is inserted at one end of the rotary supporting rod 3 far away from the inserting fixed rod 2, the connecting pipes 701 are inserted at the ends close to the two supporting cross rods 4, the limiting clamping pieces 702 are fixedly connected at the ends close to the two connecting pipes 701, the two limiting clamping pieces 702 are distributed in a staggered mode and clamped with each other, fastening screws 703 are in threaded connection between the two limiting clamping pieces 702, and one end of the inserting pipe 7 far away from the rotary supporting rod 3 is fixedly connected with one limiting clamping piece 702; during operation, insert to the rotation bracing piece 3 in through pipe 7 of pegging graft, pipe 7 of pegging graft takes a connecting pipe 701 to fix through a spacing fastener 702, another connecting pipe 701 carries out the adjustment of angle, correspond two spacing fasteners 702 after another connecting pipe 701 angular adjustment is accomplished and place, the one end that two spacing fasteners 702 are close to mutually has the latch, can carry out the joint spacing, then make two spacing fasteners 702 fix through fastening screw 703, then insert two support horizontal poles 4 respectively and assemble on two connecting pipes 701, thereby realize two regulations of supporting different angles between horizontal pole 4.

A first elastic sheet 8 is arranged in the plug-in pipe 7, a first clamping block 9 is fixedly connected to the surface of the first elastic sheet 8, a first clamping hole 10 is formed in the circumferential surface of the rotary supporting rod 3 in a chiseled mode, and the first clamping block 9 penetrates through the plug-in pipe 7 and is clamped in the first clamping hole 10; during operation, the inserting pipe 7 is inserted into the rotating support rod 3, the first clamping block 9 corresponds to the first clamping hole 10 by adjusting different positions, and the elastic force generated by the first elastic sheet 8 can clamp the first clamping block 9 into the first clamping hole 10, so that the connection between the inserting pipe 7 and the rotating support rod 3 is kept stable.

Second elastic pieces 11 are arranged in the two connecting pipes 701, second clamping blocks 12 are fixedly connected to the surfaces of the two second elastic pieces 11, second clamping holes 13 are formed in the circumferential surfaces of the two supporting cross rods 4, and the two second clamping blocks 12 are clamped in the two second clamping holes 13 respectively; during operation, after the two supporting cross rods 4 are inserted into the surfaces of the two connecting pipes 701, the two second clamping blocks 12 respectively correspond to the two second clamping holes 13 by adjusting different positions, and the two second clamping blocks 12 are respectively clamped into the two second clamping holes 13 by the elastic force generated by the two second elastic pieces 11, so that the connection between the two supporting cross rods 4 and the two connecting pipes 701 is kept stable.

The surface of the water injection base 1 is provided with a water injection hole 14 and a water outlet 15; during operation, water injection base 1 improves water injection base 1's weight through 14 water injection holes water injection to improve the holistic stability of support frame, when the support frame need remove, can emit the water in the water injection base 1 through outlet 15, alleviate the weight of support frame, the support frame of being convenient for removes.

The utility model discloses the theory of operation:

grafting dead lever 2 is connected on water injection base 1, water injection base 1 makes grafting dead lever 2 and rotation support pole 3 remain stable through inside water, connect through climbing mechanism between grafting dead lever 2 and the rotation support pole 3, climbing mechanism makes rotation support pole 3 and grafting dead lever 2 between the joint fixed, when the angle of support frame needs to be adjusted, make rotation support pole 3 move up through climbing mechanism, keep away from between rotation support pole 3 and the grafting dead lever 2, at this moment, do not carry out the joint between rotation support pole 3 and the grafting dead lever 2, rotation support pole 3 can advance 360 rotation, thereby reach the purpose of adjusting the support frame angle, after the angle adjustment is accomplished, loosen climbing mechanism, climbing mechanism is at the effect automatic re-setting of rotation support pole 3 weight, thereby make and connect between rotation support pole 3 and the grafting dead lever 2, make rotation support pole 3 remain stable, two support horizontal poles 4 are connected with the product show board, two support horizontal poles 4 are connected through coupling assembling between the rotation support horizontal pole 3, coupling assembling of two rotation support horizontal poles 3 can carry out the regulation of angle between two support horizontal poles 4.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, but rather is described in the foregoing embodiments and the description with reference to the principles of the invention and that various changes and modifications may be made without departing from the spirit and scope of the invention, and it is intended that all such changes and modifications fall within the scope of the invention as claimed, which is defined by the claims appended hereto and their equivalents.

Claims

1. The utility model provides a support frame with adjustable angle, includes water injection base (1), grafting dead lever (2), rotation support pole (3) and two support horizontal poles (4), its characterized in that, grafting dead lever (2) are pegged graft on water injection base (1), one side that water injection base (1) was kept away from in grafting dead lever (2) is located rotation support pole (3), be provided with climbing mechanism between rotation support pole (3) and grafting dead lever (2), climbing mechanism is used for controlling rotation support pole (3) and adjusts, two rotation on grafting dead lever (2) supports horizontal pole (4) and is located one side that grafting dead lever (2) were kept away from in rotation support pole (3), two be provided with coupling assembling between support horizontal pole (4) and rotation support pole (3), coupling assembling is used for adjusting two angles that support between horizontal pole (4).

2. The supporting rack with the adjustable angle of claim 1, wherein the jacking mechanism comprises a rotating sleeve (5), the rotating sleeve (5) is rotatably connected to the circumferential surface of the rotating supporting rod (3), the circumferential surface of the rotating sleeve (5) is fixedly connected with two lifting bars (501), two ends, away from each other, of the lifting bars (501) are rotatably connected with a rotating shaft (502), the circumferential surface of the inserting fixing rod (2) is fixedly connected with a T-shaped fixing rod (503), two sides of the T-shaped fixing rod (503) are rotatably connected with a U-shaped rotating frame (504), two sliding frames (505) are fixedly connected to the rear side of the U-shaped rotating frame (504), the two rotating shafts (502) respectively slide in the two sliding frames (505), one ends, close to each other, of the inserting fixing rod (2) and the rotating supporting rod (3) are fixedly connected with a set of limiting latch teeth (506), the two sets of limiting latch teeth (506) are clamped, one end, close to each other, of the rotating supporting rod (3) is fixedly connected with an inserting rod (507), and the inserting rod (2) is stably connected with an inserting rod (507).

3. The angle adjustable supporting frame as claimed in claim 2, wherein a limiting rod (6) is fixedly connected to the circumferential surface of the inserting fixing rod (2), and the limiting rod (6) corresponds to the U-shaped rotating frame (504).

4. The support frame with the adjustable angle of claim 3, wherein the connecting assembly comprises an inserting pipe (7), the inserting pipe (7) is inserted into one end of the rotary supporting rod (3) far away from the inserting fixing rod (2), the ends of the two supporting cross rods (4) close to each other are inserted with connecting pipes (701), the ends of the two connecting pipes (701) close to each other are fixedly connected with limiting clamping pieces (702), the two limiting clamping pieces (702) are distributed in a staggered mode and clamped with each other, a fastening screw (703) is in threaded connection between the two limiting clamping pieces (702), and one end of the inserting pipe (7) far away from the rotary supporting rod (3) is fixedly connected with one limiting clamping piece (702).

5. The support frame with the adjustable angle of claim 4, wherein a first elastic sheet (8) is installed in the insertion tube (7), a first clamping block (9) is fixedly connected to the surface of the first elastic sheet (8), a first clamping hole (10) is formed in the circumferential surface of the rotary support rod (3), and the first clamping block (9) penetrates through the insertion tube (7) and is clamped in the first clamping hole (10).

6. The support frame with the adjustable angle of claim 5, wherein a second elastic sheet (11) is installed in each of the two connecting pipes (701), a second clamping block (12) is fixedly connected to the surface of each of the two second elastic sheets (11), second clamping holes (13) are drilled in the circumferential surfaces of the two supporting cross rods (4), and the two second clamping blocks (12) are respectively clamped in the two second clamping holes (13).

7. The support frame with adjustable angle of claim 6, characterized in that the surface of the water injection base (1) is provided with a water injection hole (14) and a water outlet (15).