Truss facilitating lamp hanging, moving and adjusting

Abstract

The utility model relates to the technical field of trusses, and discloses a truss convenient to hang a lamp and move and adjust, which comprises a bottom frame, vertical rods are arranged on four sides of the top end of the bottom frame, a top frame is arranged at the top ends of the outer walls of the four vertical rods, a fixing pipe is arranged at the inner top end of the top frame, and a connecting assembly is arranged on the inner wall of the bottom frame. And a bottom plate is connected through a connecting assembly, and universal wheels are installed on the four side edges of the bottom end of the bottom plate. The fixing pipe, the universal wheel and the connecting assembly are arranged, the fixing pipe is installed at the inner top end of the top frame, so that a lamp can be conveniently hung on the truss, meanwhile, the connecting assembly drives the universal wheel to move downwards till the universal wheel makes contact with the ground, the truss can be pushed to move, the position of the truss can be conveniently moved and adjusted, the whole process saves time and labor, and meanwhile the working efficiency is improved. The connecting assemblies drive the universal wheels to move upwards till the universal wheels do not make contact with the ground, in this way, the universal wheels can be stored upwards, and therefore the overall stability after the position of the truss is adjusted is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to truss technical field, concretely is a kind of truss that it is convenient to hang lamp and move adjustment. BACKGROUND

[0002] Truss is a kind of support crossbeam structure by bar through welding, riveting or bolt connection, truss is generally by straight rod and has triangular unit plane or space structure, truss bar mainly bears axial tension or pressure, so that the strength of material can be fully utilized, when larger span, it can save material compared with solid web beam, reduce dead weight and increase rigidity, it is widely used in exhibition booth, large booth erection etc.

[0003] Prior art such as the patent with publication number CN211691072U discloses a kind of truss, including main frame, one end of the main frame is equipped with 4 rotatable U-shaped joints, another end of the main frame is equipped with 4 rotatable T-shaped joints, when assembling, the 4 U-shaped joints are connected with the 4 T-shaped joints of another truss.

[0004] The above prior art has obvious beneficial effects, but still has deficiencies:

[0005] Although the upper and lower faces of the main frame in the above prior art are both made of side main body pipe, so that the upper and lower faces can both hang lamp, and there is no need to arrange the lamp hanging position in advance, but the truss lacks auxiliary moving mechanism, and since the truss itself is heavy, when the position of the truss needs to be adjusted, multiple people need to cooperate to move the truss, which is time-consuming and laborious, therefore, there is an urgent need for a truss that is convenient to hang lamp and move adjustment. UTILITY MODEL CONTENT

[0006] In view of the deficiencies of the prior art, the utility model provides a truss that is convenient to hang lamp and move adjustment, by being provided with universal wheel and connecting assembly, the truss is convenient to hang lamp, and the position of the truss is conveniently adjusted by universal wheel, and the universal wheel can be stored upward through the connecting assembly, to ensure the overall stability of the truss after position adjustment.

[0007] To achieve the above object, the utility model provides the following technical scheme: a truss that is convenient to hang lamp and move adjustment, including chassis, four edge sides of the top end of the chassis are all installed with vertical rod, the top end of the outer wall of four vertical rods is commonly provided with top frame, and the inner top end of the top frame is installed with fixed pipe, the inner wall of the chassis is provided with connecting assembly, and bottom plate is connected through connecting assembly, four edge sides of the bottom end of the bottom plate are all installed with universal wheel, the connecting assembly includes bidirectional screw rod, one end of the bidirectional screw rod is installed with crank handle, the outer wall of the bidirectional screw rod is equipped with two first connecting blocks, two first connecting blocks are both equipped with two connecting rods, four connecting rods are commonly provided with second connecting block, and the bottom end of the second connecting block is fixedly arranged at the top end of the bottom plate.

[0008] Preferably, one side of the top end of the chassis is provided with a limiting assembly, the limiting assembly comprises a fixed seat, a limiting rod is arranged through one side of the fixed seat, an elastic block is mounted on one side of the outer wall of the limiting rod, a spring is sleeved on the other side of the outer wall of the limiting rod, and one end of the limiting rod is clampedly connected with one side of the crank handle.

[0009] Preferably, the four edge sides of the bottom end of the chassis are all provided with clamping columns, and the outer diameter of the clamping column is matched with the inner diameter of the fixed tube.

[0010] Preferably, the other end of the bidirectional screw rod is in bearing connection with the inner side wall of the chassis.

[0011] Preferably, the two sides of the top end of the bottom plate are both provided with guide rods, and the outer walls of the two guide rods are respectively arranged through the two sides of the top end of the chassis.

[0012] Preferably, the other end of the limiting rod is provided with a pulling block, and one side of the pulling block is fixedly connected with one end of the spring.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The utility model discloses a fixed tube, universal wheel and connecting assembly are equipped, the fixed tube is installed at the inner top end of the top frame, so that the truss is hung conveniently, simultaneously, the connecting assembly drives the universal wheel to move downward, to the contact with the ground, pushes the truss and can make it move, so that the truss position is adjusted conveniently, and the whole process is convenient and saves the labor, simultaneously, the connecting assembly drives the universal wheel to move upward, to the contact with the ground, so that the universal wheel can be stored upward, thereby guaranteeing the overall stability after the truss position adjustment.

[0015] 2. The utility model discloses a limiting assembly, after the connecting assembly drives the universal wheel to move upward (downward) through the bottom plate, the limiting assembly can limit and fix the crank handle in the connecting assembly, so as to guarantee the overall stability after the connecting assembly adjusts the universal wheel position.

[0016] The other features and advantages of the utility model will be set forth in the subsequent description, and, partially become apparent from the description, or be understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained through the structure indicated in the description, claims and drawings. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the main body structure schematic view of the utility model;

[0018] Figure 2 It is the bottom connecting structure schematic view of the chassis of the utility model;

[0019] Figure 3 This is a schematic diagram of the base plate connection structure of this utility model;

[0020] Figure 4 This is a schematic diagram of the limiting component structure of this utility model.

[0021] In the diagram: 1. Base frame; 2. Vertical rod; 3. Top frame; 4. Fixing pipe; 5. Connecting assembly; 501. Two-way lead screw; 502. Handle; 503. First connecting block; 504. Connecting rod; 505. Second connecting block; 6. Base plate; 7. Casters; 8. Limiting assembly; 801. Fixing seat; 802. Limiting rod; 803. Elastic block; 804. Spring; 805. Pull block; 9. Guide rod; 10. Locking post. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figures 1-4 This embodiment provides a truss for convenient lamp hanging and adjustment, comprising a base frame 1. Vertical rods 2 are installed on the four sides of the top of the base frame 1. A top frame 3 is provided at the top of the outer walls of the four vertical rods 2. A fixing tube 4 is installed at the inner top of the top frame 3, but no fixing tube 4 is installed at the inner bottom of the top frame 3, facilitating lamp hanging. The base frame 1, vertical rods 2, and top frame 3 together constitute the truss. A connecting assembly 5 is provided on the inner wall of the base frame 1, and a base plate 6 is connected to it via the connecting assembly 5. Universal wheels 7 are installed on the four sides of the bottom of the base plate 6. The universal wheels 7 allow for convenient movement and adjustment of the truss position after lamps are hung, making the entire movement process convenient and labor-saving, and facilitating subsequent installation. The connecting assembly 5 includes a bidirectional lead screw 501. 01 passes through one side of the base frame 1 and is connected to the internal bearing plate of the base frame 1. A crank 502 is installed at one end of the double-acting screw 501. Two first connecting blocks 503 are assembled on the outer wall of the double-acting screw 501. The double-acting screw 501 passes through the first connecting blocks 503 and is threadedly connected to the inside of the first connecting blocks 503. Two connecting rods 504 are assembled on both sides of the two first connecting blocks 503. The four connecting rods 504 are provided with a second connecting block 505. The connecting rods 504 are connected to the first connecting blocks 503 and the second connecting blocks 505 by bearings. The bottom end of the second connecting block 505 is fixedly set at the top of the base plate 6. The connecting assembly 5 can adjust the up and down position of the caster 7, which is convenient for storage after it is moved.

[0024] like Figures 1-3As shown, the utility model discloses a convenient truss of hanging lamp and mobile adjustment is similar with the existing truss, such as the public no. CN211691072U's a truss, the main improvement of the utility model lies in being equipped with universal wheel 7 and connecting assembly 5, while the truss is convenient for hanging lamp, through universal wheel 7, the position of truss is conveniently moved and adjusted, and universal wheel 7 can be stored upwards through connecting assembly 5, guarantee the overall stability after the position of truss is adjusted, the truss is prior art in the utility model, after hanging the lamp on fixed pipe 4 when using, rotate handle 502, handle 502 rotates and drives two -way screw rod 501 to rotate, two -way screw rod 501 rotates and drives two first connecting blocks 503 to move towards each other, two first connecting blocks 503 move towards each other and drive second connecting block 505 to move downwards through four connecting rods 504 respectively, then drive universal wheel 7 to move downwards through bottom plate 6, to universal wheel 7 and ground contact, and other positions of truss do not contact with ground, then push the truss to its designated position after moving, reverse rotate handle 502, handle 502 drives universal wheel 7 to move upwards, to universal wheel 7 and ground do not contact, in this way, the truss is not only convenient for hanging lamp, and also is convenient for moving and adjusting the position of truss after hanging lamp, the whole process saves time and effort, simultaneously, universal wheel 7 can also be stored upwards through connecting assembly 5, thereby guarantee the overall stability after the position of truss is adjusted.

[0025] As Figures 3-4 Shown, the top end of the one side of the chassis 1 is equipped with the limiting assembly 8, the limiting assembly 8 includes the fixed seat 801, the one side of fixed seat 801 is equipped with the limiting rod 802, the limiting rod 802 is slidably connected with the fixed seat 801, the one side of the outer wall of limiting rod 802 is installed with the elastic block 803, the top end of fixed seat 801 is equipped with the fixed hole that is compatible with elastic block 803, the other side of the outer wall of limiting rod 802 is equipped with spring 804, one end of limiting rod 802 is engagedly connected with the one side of handle 502, the one side of handle 502 is equipped with the card hole that is compatible with limiting rod 802, the other end of limiting rod 802 is installed with pull block 805, the one side of pull block 805 is fixedly connected with one end of spring 804, the other end of spring 804 is fixedly connected with the one side of fixed seat 801, limiting assembly 8 can limit and fix handle 502, thereby guarantee the stability of connecting assembly 5 after adjusting the position of universal wheel 7.

[0026] As Figures 1-3 Shown, the bottom end of the four edges of chassis 1 are installed with the clamping column 10, and the outer diameter of clamping column 10 is compatible with the inner diameter of fixed tube 4, through the clamping of clamping column 10 and the top end of fixed tube 4, it is convenient to stack two trusses together, the other end of two -way screw rod 501 is connected with the inner side wall bearing of chassis 1, the top end of both sides of bottom plate 6 is installed with guide rod 9, the outer wall of two guide rods 9 is respectively equipped with the two sides of the top end of chassis 1, guide rod 9 is slidably connected with the top end of chassis 1, and the movement of bottom plate 6 is limited through guide rod 9.

[0027] Obviously, the above embodiments of the present application are only examples for clearly illustrating the present application, and are not intended to limit the embodiments of the present application. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to exhaust all the embodiments. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. A truss for conveniently hanging a light and for mobile adjustment, comprising a base frame (1), characterized in that, The four side edges of the top end of the chassis (1) are provided with vertical rods (2), the top ends of the outer walls of the four vertical rods (2) are provided with a top frame (3) in common, and the inner top end of the top frame (3) is provided with a fixed tube (4), the inner wall of the chassis (1) is provided with a connecting assembly (5), and a bottom plate (6) is connected through the connecting assembly (5), the four side edges of the bottom end of the bottom plate (6) are provided with universal wheels (7), the connecting assembly (5) comprises a bidirectional screw rod (501), one end of the bidirectional screw rod (501) is provided with a crank handle (502), the outer wall of the bidirectional screw rod (501) is provided with two first connecting blocks (503), the two sides of the two first connecting blocks (503) are provided with two connecting rods (504), and the four connecting rods (504) are provided with a second connecting block (505) in common, and the bottom end of the second connecting block (505) is fixedly provided at the top end of the bottom plate (6).

2. A truss for conveniently hanging a light and for mobile adjustment according to claim 1, characterized in that, The top end of the chassis (1) is provided with a limiting assembly (8) on one side, the limiting assembly (8) comprises a fixed seat (801), the fixed seat (801) is provided with a limiting rod (802) penetrating through one side, the outer wall of the limiting rod (802) is provided with an elastic block (803) on one side, the outer wall of the limiting rod (802) is provided with a spring (804) on the other side, and one end of the limiting rod (802) is clamped and connected with one side of the crank handle (502).

3. A truss for conveniently hanging a light and for mobile adjustment according to claim 1, characterized in that, The bottom end of the chassis (1) is provided with a clamping column (10) on the four side edges, and the outer diameter of the clamping column (10) is matched with the inner diameter of the fixed tube (4).

4. The truss of claim 1, wherein, The other end of the bidirectional screw rod (501) is connected with the inner side wall bearing of the chassis (1).

5. The truss of claim 1, wherein, The two sides of the top end of the bottom plate (6) are provided with guide rods (9), and the outer walls of the two guide rods (9) penetrate through the two sides of the top end of the chassis (1) respectively.

6. A truss for conveniently hanging a light and for mobile adjustment according to claim 2, wherein The other end of the limiting rod (802) is provided with a pulling block (805), and one side of the pulling block (805) is fixedly connected with one end of the spring (804).

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