Stable folding tent with reinforcing structure

Abstract

The utility model provides a stable folding tent with a reinforcing structure, which comprises a support plate I, a support plate II, a support plate III, a support plate IV, a support plate V and a support plate VI, one end of the support plate I is rotatably connected with one end of the support plate III, and the other end of the support plate III is rotatably connected with one end of the support plate V; one end of the second supporting plate is rotationally connected with one end of a fourth supporting plate, and the other end of the fourth supporting plate is rotationally connected with one end of a sixth supporting plate. The fifth supporting plate and the sixth supporting plate are fixedly connected through an X folding frame. Tarpaulin is detachably and fixedly mounted between the third supporting plate and the fourth supporting plate, and tarpaulin is detachably and fixedly mounted between the fifth supporting plate and the sixth supporting plate; when the tarpaulin is dirty or damaged by a user for a long time, the tarpaulin can be conveniently and independently detached, cleaned or replaced, meanwhile, the tarpaulin can be conveniently folded and stored, and therefore the whole tarpaulin is more convenient and flexible in the using process.

Description

Technical Field

[0001] The utility model belongs to the field of folding tents, and in particular relates to a stable folding tent with a reinforced structure. Background Art

[0002] A folding awning, as the name suggests, is a foldable awning that is often used outdoors for sunshade.

[0003] However, the existing stable folding tent with reinforced structure is very inconvenient to disassemble, clean or replace when the tent cloth becomes dirty or damaged during long-term use.

[0004] Therefore, it is very necessary to invent a stable folding tent with a reinforced structure that is easy to disassemble and clean. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a technical solution of a stable folding tent with a reinforced structure: a stable folding tent with a reinforced structure, comprising support plate one, support plate two, support plate three, support plate four, support plate five and support plate six, wherein: one end of the support plate one is rotatably connected to one end of the support plate three, and the other end of the support plate three is rotatably connected to one end of the support plate five; one end of the support plate two is rotatably connected to one end of the support plate four, and the other end of the support plate four is rotatably connected to one end of the support plate six; the support plate five is fixedly connected to the support plate six through an X-folding frame; a tarpaulin is detachably fixedly installed between the support plate three and the support plate four, and a tarpaulin is detachably fixedly installed between the support plate five and the support plate six;

[0006] Preferably, the rear sides of the connection between the support plate three and the support plate four and the support plate one and the support plate two are fixedly installed with support seats, and each support seat is fixedly installed with a limiting column; the support seat and the corresponding support plate three and the support plate four are arranged vertically; the limiting column and the corresponding support plate three and the support plate four are arranged parallelly; the support plate three and the support plate four are detachably fixedly connected to the tarpaulin through the corresponding limiting column;

[0007] Preferably, sleeves are sewn on both sides of the tarpaulin; the tarpaulin is respectively sleeved on the corresponding limit posts and the support plate five and the support plate six through the sleeves.

[0008] Preferably, one end of the support plate one and the support plate two are each fixedly installed with an adjusting bolt, and the adjusting bolt on the support plate one is fixedly connected to one end of the support plate three, and the adjusting bolt on the support plate two is fixedly connected to one end of the support plate four; the surfaces of the support plate one and the support plate two are each penetrated with a weight reducing groove, and a baffle is fixedly installed on the support plate one and the support plate two; the baffle on the support plate one is located on the outside of the support plate one away from the end connected to the support plate three; the baffle on the support plate two is located on the outside of the end connected to the support plate four of the support plate two; a limiting mechanism is fixedly installed on the support plate one.

[0009] Preferably, the limiting mechanism includes a support column and a positioning plate, and one end of the support column is fixedly connected to an end of support plate one close to support plate three, and one end of the positioning plate is rotatably connected to the other end of the support column; the support column and the positioning plate are located in a weight-reducing groove on support plate one, and the length of the positioning plate is greater than the distance between the baffle plate on support plate one and the support column; the position of the support column corresponds to the position of the baffle plate on support plate two; the positioning plate is used to ensure the stability between support plate one and support plate two.

[0010] Preferably, the outer sides of the connecting ends of the support plates three and four are each fixedly installed with an adjusting bolt two, and the adjusting bolt two on the support plate three is fixedly connected to one end of the support plate five, and the adjusting bolt two on the support plate four is fixedly connected to one end of the support plate six; the outer sides of the non-connected ends of the support plates three, four, five and six are each fixedly installed with a rotating shaft, and the outer ends of the rotating shafts are provided with internal threaded holes; the rotating shaft on the support plate three is rotatably connected to one end of the support plate one, and the rotating shaft on the support plate three is fixedly connected to the corresponding adjusting bolt through the internal threaded hole; the rotating shaft on the support plate four is rotatably connected to one end of the support plate two, and the rotating shaft on the support plate four is fixedly connected to the corresponding adjusting bolt through the internal threaded hole; the rotating shaft on the support plate five is rotatably connected to one end of the support plate three, and the rotating shaft on the support plate five is fixedly connected to the corresponding adjusting bolt two through the internal threaded hole; the rotating shaft on the support plate six is ​​rotatably connected to one end of the support plate four, and the rotating shaft on the support plate six is ​​fixedly connected to the corresponding adjusting bolt two through the internal threaded hole.

[0011] Preferably, a weight-reducing groove 2 is respectively provided through the surface of the support plate 3 and the support plate 4, and a limiting plate is fixedly installed at the rear of the inner side of the support plate 3 and the support plate 4, and a limiting groove is provided through the top of the limiting plate; the two ends below the X-folding frame are fixedly connected to the limiting plate, and the two ends above the X-folding frame are slidably connected to the limiting groove.

[0012] Preferably, the X-folding frame comprises a bracket one and a bracket two, and a turntable is fixedly installed in the middle of the bracket one and the bracket two, and the turntables on the bracket one and the bracket two are rotatably connected; an adjusting bolt three is fixedly installed on the turntable of the bracket one, and the adjusting bolt three is fixedly connected to the turntable on the bracket two; a limiting shaft is rotatably installed at both ends of the bracket one and the bracket two, and an anti-dropping plate is installed on the limiting shaft at the upper end of the bracket one and the bracket two, and is coaxial with the anti-dropping plate; the limiting shaft at the lower end of the bracket one and the bracket two is fixedly connected to the lower side of the corresponding limiting plate, and the limiting shaft at the upper end of the bracket one and the bracket two is located in the corresponding limiting groove and is slidably connected to the limiting groove.

[0013] Compared with the prior art, the advantages of the utility model are:

[0014] The overall arrangement of the utility model makes it easy to disassemble, clean or replace the tarpaulin separately when the tarpaulin becomes dirty or damaged during long-term use, and the whole tarpaulin can be folded and stored, thereby making the whole more convenient and flexible during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 It is a schematic diagram of the tarpaulin removal structure of the utility model.

[0017] Figure 3 It is a schematic diagram of the third structure of the support plate of the utility model.

[0018] Figure 4 It is a schematic diagram of the X-folding frame structure of the utility model.

[0019] Figure 5 It is a schematic diagram of the tarpaulin structure of the utility model.

[0020] Support plate one 1, support plate two 2, support plate three 3, weight reduction groove two 31, rotating shaft 32, support seat 33, limiting column 34, limiting plate 35, limiting groove 36, support plate four 4, adjusting bolt 5, support plate five 6, support plate six 7, adjusting bolt two 8, X-folding frame 9, bracket one 91, bracket two 92, turntable 93, adjusting bolt three 94, limiting shaft 95, anti-slip plate 96, tarpaulin 10, weight reduction groove 11, baffle 12, support column 13, positioning plate 14, sleeve 15. DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be described clearly and completely below. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0022] In the description of the embodiments, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0023] The utility model is further described below in conjunction with the accompanying drawings:

[0024] Embodiment 1

[0025] Reference Figure 1-5A folding tent with a reinforced structure for stability comprises a support plate 1, a support plate 2, a support plate 3, a support plate 4, a support plate 5, a support plate 6 and a support plate 7, wherein: one end of the support plate 1 is rotatably connected to one end of the support plate 3, and the other end of the support plate 3 is rotatably connected to one end of the support plate 5; one end of the support plate 2 is rotatably connected to one end of the support plate 4, and the other end of the support plate 4 is rotatably connected to one end of the support plate 6; the support plate 5 6 is fixedly connected to the support plate 6 7 by an X-folding frame 9, and the setting of the X-folding frame 9 can make the whole tent unfold or fold together, and ensure the stability of the whole tent when unfolded; a tarpaulin 10 is detachably fixedly installed between the support plate 3 and the support plate 4, and the tarpaulin 10 is fixedly installed by the support plate 3 and the support plate 4. Through the arrangement of the support plate three 3 and the support plate four 4, the tarpaulin 10 can be effectively supported to ensure the stability of the tarpaulin 10, and it is convenient to disassemble and assemble the tarpaulin 10 separately at a later time, and the tarpaulin 10 is detachably fixedly installed between the support plate five 6 and the support plate six 7. Through the arrangement of the support plate five 6 and the support plate six 7, the tarpaulin 10 can be effectively supported to ensure the stability of the tarpaulin 10, and it is convenient to disassemble and assemble the tarpaulin 10 separately at a later time; the support plate one 1 and the support plate two 2 are arranged in parallel; the support plate five 6 and the support plate six 7 are arranged in parallel; through the arrangement of the support plate one 1 and the support plate two 2, the contact points between the whole and the ground can be increased after the whole is unfolded, thereby ensuring the stability of the whole;

[0026] A support seat 33 is fixedly installed on the rear side of the connection between the support plate three 3 and the support plate four 4 and the support plate one 1 and the support plate two 2. Through the setting of the support seat 33, a certain distance can be generated between the support plate three 3 and the support plate four 4 and the corresponding limiting column 34, and the stability of the limiting column 34 is guaranteed, so as to facilitate the disassembly and assembly of the tarpaulin 10, and each support seat 33 is fixedly installed with a limiting column 34. Through the setting of the limiting column 34, it is convenient to disassemble and assemble with the tarpaulin 10 and ensure the stability of the tarpaulin 10; the support seat 33 and the corresponding support plate three 3 and the support plate four 4 are arranged vertically; the limiting column 34 and the corresponding support plate three 3 and the support plate four 4 are arranged parallelly; the support plate three 3 and the support plate four 4 are detachably fixedly connected to the tarpaulin 10 through the corresponding limiting column 34;

[0027] A sleeve 15 is sewn on both sides of the tarpaulin 10. The arrangement of the sleeve 15 facilitates the tarpaulin 10 to be quickly disassembled and assembled between the corresponding limiting columns 34 and the supporting plates 5 6 and 6 7; the tarpaulin 10 is respectively sleeved on the corresponding limiting columns 34 and the supporting plates 5 6 and 6 7 through the sleeves 15.

[0028] One end of the support plate 1 and the support plate 2 is respectively fixedly installed with an adjusting bolt 5. Through the setting of the adjusting bolt 5, one end of the connection between the support plate 1 and the support plate 2 and the support plate 3 and the support plate 4 can be locked, thereby ensuring the stability of the connection between the support plate 1 and the support plate 2 and the support plate 3 and the support plate 4 to prevent them from accidentally rotating after unfolding, and the adjusting bolt 5 on the support plate 1 is fixedly connected to one end of the support plate 3, and the adjusting bolt 5 on the support plate 2 is fixedly connected to one end of the support plate 4; the surfaces of the support plates 1 and 2 are respectively penetrated with weight reduction grooves 11, through which The setting of the weight-reducing groove 11 can reduce the weight of the support plate 1 and the support plate 2, so as to facilitate carrying, and a baffle 12 is fixedly installed on the support plate 1 and the support plate 2. Through the setting of the baffle 12, the positioning plate 14 can be limited, and a corresponding blocking point can be provided for the positioning plate 14, so that the positioning plate 14 is maintained between the support plate 1 and the support plate 2; the baffle 12 on the support plate 1 is located on the outside of the support plate 1 away from the end connected to the support plate 3 3; the baffle 12 on the support plate 2 2 is located on the outside of the end connected to the support plate 4 4 ​​of the support plate 2 2; and a limiting mechanism is fixedly installed on the support plate 1.

[0029] The limiting mechanism includes a support column 13 and a positioning plate 14, and one end of the support column 13 is fixedly connected to an end of the support plate 1 close to the support plate 3 3, and one end of the positioning plate 14 is rotatably connected to the other end of the support column 13. Through the setting of the support column 13, the positioning plate 14 can be rotated 90 degrees between the support plate 1 and the support plate 2 2 with the support column 13 as the axis; the support column 13 and the positioning plate 14 are located in the weight-reducing groove 11 on the support plate 1, and with the setting of the weight-reducing groove 11, the positioning plate 14 can be hidden during the later storage, and the length of the positioning plate 14 is greater than the distance between the baffle 12 on the support plate 1 and the support column 13; the position of the support column 13 corresponds to the position of the baffle 12 on the support plate 2; the positioning plate 14 is used to ensure the stability between the support plate 1 and the support plate 2 2.

[0030] The outer sides of the ends of the support plates three 3 and four 4 connected are each fixedly installed with an adjusting bolt two 8. By setting the adjusting bolt two 8, the ends of the support plates three 3 and four 4 connected to the support plates five 6 and six 7 can be locked to prevent them from accidentally rotating after unfolding, and the adjusting bolt two 8 on the support plate three 3 is fixedly connected to one end of the support plate five 6, and the adjusting bolt two 8 on the support plate four 4 is fixedly connected to one end of the support plate six 7; the outer sides of the ends of the support plates three 3, four 4, five 6 and six 7 not connected are each fixedly installed with a rotating shaft 32, and the outer ends of the rotating shaft 32 are provided with an internal threaded hole; the rotating shaft 32 on the support plate three 3 is fixedly connected to the support plate one 1 is rotatably connected to one end of the support plate 3, and the rotating shaft 32 on the support plate 3 3 is fixedly connected to the corresponding adjusting bolt 5 through an internal threaded hole; the rotating shaft 32 on the support plate 4 4 ​​is rotatably connected to one end of the support plate 2 2, and the rotating shaft 32 on the support plate 4 4 ​​is fixedly connected to the corresponding adjusting bolt 5 through an internal threaded hole; the rotating shaft 32 on the support plate 5 6 is rotatably connected to one end of the support plate 3 3, and the rotating shaft 32 on the support plate 5 6 is fixedly connected to the corresponding adjusting bolt 2 8 through an internal threaded hole; the rotating shaft 32 on the support plate 6 7 is rotatably connected to one end of the support plate 4 4, and the rotating shaft 32 on the support plate 6 7 is fixedly connected to the corresponding adjusting bolt 2 8 through an internal threaded hole.

[0031] A weight-reducing groove 2 31 is provided through the surface of the support plate 3 3 and the support plate 4 4. By setting the weight-reducing groove 2 31, the weight of the support plate 3 3 and the support plate 4 4 ​​can be reduced, and a limiting plate 35 is fixedly installed at the rear of the inner side of the support plate 3 3 and the support plate 4 4. By setting the limiting plate 35, the stability between the support plate 3 3 and the support plate 4 4 ​​and the X-folding frame 9 can be ensured. A limiting groove 36 is provided through the upper side of the limiting plate 35. By setting the limiting groove 36, a moving space can be provided for the X-folding frame 9; the two ends below the X-folding frame 9 are fixedly connected to the limiting plate 35, and the two ends above the X-folding frame 9 are slidably connected to the limiting groove 36.

[0032] The X-folding frame 9 includes a bracket 1 91 and a bracket 2 92, and a turntable 93 is fixedly installed in the middle of the bracket 1 91 and the bracket 2 92, and the turntable 93 on the bracket 1 91 and the bracket 2 92 is rotatably connected; an adjusting bolt 3 94 is fixedly installed on the turntable 93 of the bracket 1 91, and the adjusting bolt 3 94 is fixedly connected to the turntable 93 on the bracket 2 92. By setting the adjusting bolt 3 94, the bracket 1 91 and the bracket 2 92 can be locked, so that the overall unfolding Afterwards, the overall stability is ensured; a limiting shaft 95 is rotatably installed at both ends of bracket 1 91 and bracket 2 92, and an anti-slip plate 96 is installed on the limiting shaft 95 at the upper end of bracket 1 91 and bracket 2 92, and is coaxial with the anti-slip plate 96; the limiting shaft 95 at the lower end of bracket 1 91 and bracket 2 92 is fixedly connected to the lower side of the corresponding limiting plate 35, and the limiting shaft 95 at the upper end of bracket 1 91 and bracket 2 92 is in the corresponding limiting groove 36, and is slidably connected to the limiting groove 36.

[0033] In this embodiment, when in use, firstly, the corresponding tarpaulin 10 is sleeved between the limiting column 34 on the support plate three 3 and the limiting column 34 on the support plate four 4, and the corresponding tarpaulin 10 is sleeved between the support plate five 6 and the support plate six 7. When the whole needs to be unfolded, the adjusting bolt three 94 is loosened, and the whole can be unfolded through the X-folding frame 9. After unfolding, the positioning plate 14 is rotated so that one end of the positioning plate 14 is against the baffle 12 on the support plate two 2, so that the whole can be prevented from automatically folding, and then the adjusting bolt three 94 is tightened. At this time, loosening the corresponding adjusting bolt 5 can make the support plate one 1 By rotating the connection between the support plate 2 2 and the support plate 3 3 and the support plate 4 4, the shading angle of the tarpaulin 10 between the support plate 3 3 and the support plate 4 4 ​​can be adjusted. After the adjustment, tighten the adjusting bolt 5, and then loosen the corresponding adjusting bolt 2 8, so that the connection between the support plate 3 3 and the support plate 4 4 ​​and the support plate 5 6 and the support plate 6 7 can be rotated, the shading angle of the tarpaulin 10 between the support plate 5 6 and the support plate 6 7 can be adjusted. After the adjustment, tighten the adjusting bolt 2 8. Later, when the tarpaulin 10 becomes dirty or damaged, the tarpaulin 10 can be directly removed for cleaning or replacement.

[0034] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.

Claims

1. A stable folding tent with a reinforced structure, characterized in that: The invention comprises a support plate 1 (1), a support plate 2 (2), a support plate 3 (3) and a support plate 4 (4), wherein: one end of the support plate 1 (1) is rotatably connected to one end of the support plate 3 (3), and the other end of the support plate 3 (3) is rotatably connected to one end of the support plate 5 (6); one end of the support plate 2 (2) is rotatably connected to one end of the support plate 4 (4), and the other end of the support plate 4 (4) is rotatably connected to one end of the support plate 6 (7); the support plate 5 (6) and the support plate 6 (7) are fixedly connected via an X-folding frame (9); a tarpaulin (10) is detachably fixedly installed between the support plate 3 (3) and the support plate 4 (4), and a tarpaulin (10) is detachably fixedly installed between the support plate 5 (6) and the support plate 6 (7); A support seat (33) is fixedly installed on the rear side of the connection between the support plate three (3) and the support plate four (4) and the support plate one (1) and the support plate two (2), and a limiting column (34) is fixedly installed on each support seat (33); the support plate three (3) and the support plate four (4) are detachably fixedly connected to the tarpaulin (10) through the corresponding limiting columns (34); Sleeves (15) are sewn on both sides of the tarpaulin (10); the tarpaulin (10) is respectively sleeved on the corresponding limit posts (34) and the fifth support plate (6) and the sixth support plate (7) through the sleeves (15).

2. A stable folding tent with a reinforced structure as claimed in claim 1, characterized in that: An adjusting bolt (5) is fixedly mounted on one end of each of the support plates 1 (1) and 2 (2), and the adjusting bolt (5) on the support plate 1 (1) is fixedly connected to one end of the support plate 3 (3), and the adjusting bolt (5) on the support plate 2 (2) is fixedly connected to one end of the support plate 4 (4); a weight-reducing groove (11) is penetrated through the surface of each of the support plates 1 (1) and 2 (2), and a baffle (12) is fixedly mounted on each of the support plates 1 (1) and 2 (2); the baffle (12) on the support plate 1 (1) is located on the outer side of the support plate 1 (1) away from the end connected to the support plate 3 (3); the baffle (12) on the support plate 2 (2) is located on the outer side of the end connected to the support plate 4 (4) of the support plate 2 (2); and a limiting mechanism is fixedly mounted on the support plate 1 (1).

3. A stable folding tent with a reinforced structure as claimed in claim 2, characterized in that: The limiting mechanism comprises a support column (13) and a positioning plate (14), and one end of the support column (13) is fixedly connected to one end of the support plate one (1) close to the support plate three (3), and one end of the positioning plate (14) is rotatably connected to the other end of the support column (13); the support column (13) and the positioning plate (14) are located in the weight-reducing groove (11) on the support plate one (1); the position of the support column (13) corresponds to the position of the baffle (12) on the support plate two (2); and the positioning plate (14) is used to ensure the stability between the support plate one (1) and the support plate two (2).

4. A stable folding tent with a reinforced structure as claimed in claim 3, characterized in that: The outer sides of the connected ends of the support plate three (3) and the support plate four (4) are each fixedly installed with an adjusting bolt two (8), and the adjusting bolt two (8) on the support plate three (3) is fixedly connected to one end of the support plate five (6), and the adjusting bolt two (8) on the support plate four (4) is fixedly connected to one end of the support plate six (7); the outer sides of the unconnected ends of the support plate three (3), the support plate four (4), the support plate five (6) and the support plate six (7) are each fixedly installed with a rotating shaft (32), and an inner threaded hole is provided at the outer end of the rotating shaft (32); the rotating shaft (32) on the support plate three (3) is rotatably connected to one end of the support plate one (1), and the rotating shaft (32) on the support plate three (3) is connected to the opposite side through the inner threaded hole. The rotating shaft (32) on the support plate four (4) is rotatably connected to one end of the support plate two (2), and the rotating shaft (32) on the support plate four (4) is fixedly connected to the corresponding adjusting bolt (5) through the internal threaded hole; the rotating shaft (32) on the support plate five (6) is rotatably connected to one end of the support plate three (3), and the rotating shaft (32) on the support plate five (6) is fixedly connected to the corresponding adjusting bolt two (8) through the internal threaded hole; the rotating shaft (32) on the support plate six (7) is rotatably connected to one end of the support plate four (4), and the rotating shaft (32) on the support plate six (7) is fixedly connected to the corresponding adjusting bolt two (8) through the internal threaded hole.

5. A stable folding tent with a reinforced structure as claimed in claim 4, characterized in that: The surfaces of the support plate three (3) and the support plate four (4) are each provided with a weight-reducing groove two (31), and a limiting plate (35) is fixedly installed at the rear of the inner side of the support plate three (3) and the support plate four (4), and a limiting groove (36) is provided on the upper side of the limiting plate (35); the two ends below the X-folding frame (9) are fixedly connected to the limiting plate (35), and the two ends above the X-folding frame (9) are slidably connected to the limiting groove (36).

6. A stable folding tent with a reinforced structure as claimed in claim 5, characterized in that: The X-folding frame (9) comprises a first bracket (91) and a second bracket (92), and a rotating disk (93) is fixedly installed in the middle of each of the first bracket (91) and the second bracket (92), and the rotating disks (93) on the first bracket (91) and the second bracket (92) are rotatably connected; an adjusting bolt (94) is fixedly installed on the rotating disk (93) of the first bracket (91), and the adjusting bolt (94) is fixedly connected to the rotating disk (93) on the second bracket (92); the first bracket (91) and The two ends of the bracket 2 (92) are rotatably mounted with a limit shaft (95), and the limit shafts (95) at the upper ends of the bracket 1 (91) and the bracket 2 (92) are respectively mounted with an anti-drop plate (96); the limit shafts (95) at the lower ends of the bracket 1 (91) and the bracket 2 (92) are fixedly connected to the lower side of the corresponding limit plate (35), and the limit shafts (95) at the upper ends of the bracket 1 (91) and the bracket 2 (92) are located in the corresponding limit grooves (36) and are slidably connected to the limit grooves (36).

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