Display frame convenient to disassemble and assemble

Abstract

The display rack comprises an outer frame body, an inner decoration support welded to the inner side of the outer frame body and a longitudinal supporting rod welded to the inner side of the inner decoration support, two operation strips are integrally welded to the longitudinal supporting rod, and installation shells are welded to the bottom walls of the two operation strips. Wherein the two installation shells are each provided with an operation rotating handle in a rotating mode, a hollow inner groove in the vertical direction is formed in each operation strip, a plurality of inner side extending grooves communicated with the hollow inner grooves are further formed in each operation strip, and the upper portions of the two operation rotating handles are each coaxially connected with an inner adjusting rod; and each inner adjusting rod is fixedly sleeved with a plurality of driving bevel gears, each driving bevel gear is meshed with a driven bevel gear, and the driven bevel gears enter the inner side extending grooves correspondingly. According to the display frame convenient to disassemble and assemble, the trouble of manually screwing bolts one by one for disassembly is avoided, and the disassembly and assembly efficiency of the display frame is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of display racks, in particular to a display rack which is convenient to assemble and disassemble. Background Art

[0002] With the advent of the information age, the rapid development of computer multimedia technology, and the widespread application of network technology, from the establishment of command and monitoring centers and network management centers to temporary meetings and technical lectures, everyone is eager to obtain large-screen, multi-color, high-brightness, and high-resolution display effects, which has led to the emergence of large-scale commercial displays. Currently, large-scale commercial displays require the use of display stands of specified specifications to be fixed to the attached structure (such as a wall). During installation, the display stand must be fixed first, and then the display must be installed on the display stand.

[0003] However, the current display stand has an inconvenience when in use: the display stand is fixed to the attached structure by many screws (bolts). When disassembling, personnel need to use external tools to install or remove the screws (bolts) one by one, which is quite troublesome. Utility Model Content

[0004] The purpose of the utility model is to provide a display stand that is easy to disassemble and assemble, which has the advantage of quickly disassembling and assembling multiple bolts, eliminating the trouble of manually tightening and removing the bolts one by one, improving the efficiency of disassembling and assembling the display stand, and solving the problem of inconvenient disassembly and assembly of existing display stands.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a display stand that is easy to disassemble and assemble, comprising an outer frame body, an interior bracket welded to the inner side of the outer frame body, and a longitudinal support rod welded to the inner side of the interior bracket, two operating strips are integrally welded on the longitudinal support rod, and mounting shells are welded to the bottom walls of the two operating strips, wherein operating handles are rotatably mounted on the two mounting shells, a vertically extending hollow inner groove is formed inside the two operating strips, and a plurality of inner extension grooves communicating with the hollow inner groove are also formed inside the operating strips, an inner adjustment rod is coaxially connected above the two operating handles, and an inner adjustment rod is provided on each of the two operating handles. A plurality of main bevel gears are fixedly sleeved on each inner adjusting rod, and a slave bevel gear is meshed with each of the plurality of main bevel gears, and the plurality of slave bevel gears respectively enter the plurality of inner extension grooves, and the plurality of slave bevel gears are coaxially connected to an inner shaft, and positioning plates are welded in the plurality of inner extension grooves, and a threaded rod, an inner slider and two sliding rods are provided on each positioning plate, wherein the threaded rod is coaxially connected to the inner shaft, the two sliding rods are welded to the positioning plate, the inner slider is threadedly mounted on the threaded rod, and the inner slider is also slidably mounted on the two sliding rods, and a fastening bolt for penetrating into the attachment structure is fixedly mounted on the inner slider.

[0006] As a preferred embodiment: the thickness of the two operating strips is greater than the thickness of the longitudinal support rod, and the two operating strips are symmetrically distributed on the longitudinal support rod; so that the multiple fastening bolts on the two operating strips work together to fix the outer frame body, the interior decoration bracket and the longitudinal support rod to the specified attachment structure, which can be a wall, etc.

[0007] As a preferred embodiment, a cavity is formed on the bottom wall of each of the two mounting shells, and two operating knobs extend into the two cavities respectively and are designed vertically, so that a person's hand can extend into the cavity on the mounting shell and rotate the operating knob.

[0008] As a preferred embodiment, the inner adjustment rod is vertically designed in the hollow inner groove, and the inner adjustment rod is rotatably connected to the operating bar, so that the inner adjustment rod can operate stably.

[0009] As a preferred implementation scheme: multiple main bevel gears on the inner adjustment rod are evenly spaced in the vertical direction; multiple fastening bolts are also evenly spaced, so that it is convenient to establish a relationship between the outer frame body, interior decoration bracket and longitudinal support rod and the external attachment structure to ensure stability.

[0010] As a preferred embodiment, the inner shaft, threaded rod and sliding rod are all designed to be horizontal, and the threaded rod is rotatably connected to the positioning plate; so that the threaded rod can operate stably under the drive of the inner shaft.

[0011] As a preferred implementation scheme: the fastening bolt is designed horizontally, the head of the fastening bolt is embedded in the inner slider and welded to the inner slider, and the tail of the fastening bolt extends from the inner slider; thereby facilitating the use of the thread at the tail of the fastening bolt to establish a connection relationship with the attached structure.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0013] 1. The utility model rotates the operating handle to drive the inner adjustment rod to operate, so that multiple main bevel gears drive multiple slave bevel gears to operate, and multiple threaded rods operate synchronously, so that multiple fastening bolts can be rotated, thereby automatically removing the fastening bolts from their attached structures, thereby separating the display stand from its attached structure, eliminating the trouble of manually tightening the bolts one by one to remove them, and improving the efficiency of disassembly and assembly of the display stand;

[0014] 2. According to the utility model, when removing the outer frame, interior bracket, longitudinal support rod and display, it is only necessary to reverse the two operating handles to rotate the main bevel gear, the follower bevel gear, the inner shaft and the threaded rod, so that the inner slider drives the fastening bolt to gradually retract into the inner extension groove. This can be completed without the need for external tools, saving time and making the display stand easy to disassemble and assemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1This is a schematic diagram of the structure of one side of the utility model;

[0016] Figure 2 This is a structural schematic diagram of the other side of the utility model;

[0017] Figure 3 It is a vertical cross-sectional view of the utility model;

[0018] Figure 4 For the utility model Figure 3 A magnified view of the structure in the middle.

[0019] The reference numerals and names in the figure are as follows: 1. Outer frame; 2. Interior trim bracket; 3. Longitudinal support rod; 4. Operating bar; 5. Mounting shell; 6. Operating handle; 7. Hollow inner groove; 8. Inner adjustment rod; 9. Main bevel gear; 10. Slave bevel gear; 11. Inner extension groove; 12. Inner axis; 13. Positioning plate; 14. Threaded rod; 15. Sliding rod; 16. Inner slider; 17. Fastening bolt. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying 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 limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0022] In the embodiments of the present invention, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," "fixed," etc. should be understood in a broad sense. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium; internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the embodiments of the present invention based on specific circumstances.

[0023] See also Figures 1 to 4 The utility model provides an embodiment of a display stand that is easy to disassemble and assemble, comprising an outer frame body 1, an interior bracket 2 welded to the inner side of the outer frame body 1, and a longitudinal support rod 3 welded to the inner side of the interior bracket 2, two operating strips 4 are integrally welded on the longitudinal support rod 3, the thickness of the two operating strips 4 is greater than the thickness of the longitudinal support rod 3, and the two operating strips 4 are symmetrically distributed on the longitudinal support rod 3, and a mounting shell 5 is welded on the bottom wall of the two operating strips 4, wherein the two mounting shells 5 are rotatably mounted with an operating handle 6, and a cavity is formed on the bottom wall of the two mounting shells 5, and the two operating handles 6 are respectively extended into the two cavities and are designed vertically, so that a person's hand can be inserted into the cavity on the mounting shell 5 and rotate the operating handle 6;

[0024] A vertical hollow inner groove 7 is formed inside the two operating bars 4, and a plurality of inner extension grooves 11 communicating with the hollow inner groove 7 are also formed inside the operating bar 4. An inner adjustment rod 8 is coaxially connected to the top of the two operating handles 6. The inner adjustment rod 8 is vertically designed in the hollow inner groove 7, and the inner adjustment rod 8 is rotatably connected to the operating bar 4 so that the inner adjustment rod 8 can operate stably. A plurality of main bevel gears 9 are fixedly sleeved on each inner adjustment rod 8. The plurality of main bevel gears 9 on the inner adjustment rod 8 are evenly spaced along the vertical direction, and a plurality of main bevel gears 9 are meshed with a slave bevel gear 10. The plurality of slave bevel gears 10 respectively enter the plurality of inner extension grooves 11, and the plurality of slave bevel gears 10 are coaxially connected to an inner shaft 12.

[0025] A positioning plate 13 is welded in each of the multiple inner extension grooves 11, and a threaded rod 14, an inner slider 16 and two slide rods 15 are provided on each positioning plate 13, wherein the threaded rod 14 is coaxially connected to the inner shaft 12, and the two slide rods 15 are welded to the positioning plate 13, the inner shaft 12, the threaded rod 14 and the slide rod 15 are all horizontally designed, and the threaded rod 14 is rotatably connected to the positioning plate 13, so that the threaded rod 14 can operate stably under the drive of the inner shaft 12, the inner slider 16 is threadedly installed on the threaded rod 14, and the inner slider 16 is also slidably installed on the inner shaft 12. On the two sliding rods 15, a fastening bolt 17 for penetrating into the attached structure is fixedly installed on the inner slider 16. The fastening bolt 17 is designed to be horizontal, and the head of the fastening bolt 17 is embedded in the inner slider 16 and welded to the inner slider 16. The tail of the fastening bolt 17 extends from the inner slider 16, so that it is convenient to use the thread at the tail of the fastening bolt 17 to establish a connection relationship with the attached structure. The (multiple) fastening bolts 17 on both sides work together to fix the outer frame body 1, the interior decoration bracket 2 and the longitudinal support rod 3 to the specified attached structure, which can be a wall or the like.

[0026] Working principle: In the operation of the present invention, the display is first fixed to the interior bracket 2 through the designated screw holes on the interior bracket 2 and the matching screws. This step is a prior art and is not limited here. After the display is successfully installed on the interior bracket 2, the outer frame body 1, the interior bracket 2 and the longitudinal support rod 3 are fixed to the external attachment structure (such as a wall). The fixing operation is: align the multiple fastening bolts 17 with the designated bolt holes on the attachment structure, and then rotate the two operating handles 6 to drive the two inner adjustment rods 8 to operate, so that the multiple screws on the two inner adjustment rods 8 are fixed. The main bevel gear 9, multiple slave bevel gears 10 and multiple inner shafts 12 rotate, causing the multiple threaded rods 14 to rotate, driving the multiple inner sliders 16 to translate along the slide rods 15 thereon, so that the fastening bolts 17 gradually approach and penetrate into the designated bolt holes on the attached structure, and the multiple fastening bolts 17 can be quickly installed; when it is necessary to remove the outer frame body 1, the interior bracket 2, the longitudinal support rod 3 and the display from the attached structure, it is only necessary to reverse the two operating handles 6 to complete the operation. This operation does not require the use of external tools, saves time, and makes the display stand easy to disassemble and assemble.

[0027] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A display stand that is easy to assemble and disassemble, comprising an outer frame body (1), an interior bracket (2) welded to the inner side of the outer frame body (1), and a longitudinal support rod (3) welded to the inner side of the interior bracket (2), characterized in that: Two operating bars (4) are integrally welded on the longitudinal support rod (3), and the bottom walls of the two operating bars (4) are welded with mounting shells (5), wherein the two mounting shells (5) are rotatably mounted with operating handles (6), and the interiors of the two operating bars (4) are formed with a vertically extending hollow inner groove (7), and the interiors of the operating bars (4) are further formed with a plurality of inner extension grooves (11) communicating with the hollow inner groove (7), and the upper parts of the two operating handles (6) are coaxially connected with an inner adjustment rod (8), and each inner adjustment rod (8) is fixedly sleeved with a plurality of main bevel gears (9), and the plurality of main bevel gears (9) are meshed with a slave bevel gear (10), and the plurality of slave bevel gears (10) are respectively Entering into a plurality of inner extension grooves (11), and a plurality of the bevel gears (10) are coaxially connected to an inner shaft (12), a positioning plate (13) is welded in the plurality of inner extension grooves (11), each of the positioning plates (13) is provided with a threaded rod (14), an inner slider (16) and two slide rods (15), wherein the threaded rod (14) is coaxially connected to the inner shaft (12), the two slide rods (15) are welded to the positioning plate (13), the inner slider (16) is threadedly mounted on the threaded rod (14), and the inner slider (16) is also slidably mounted on the two slide rods (15), and a fastening bolt (17) for penetrating into the attachment structure is fixedly mounted on the inner slider (16).

2. The display stand that is easy to assemble and disassemble according to claim 1, characterized in that: The thickness of the two operating strips (4) is greater than the thickness of the longitudinal support rod (3), and the two operating strips (4) are symmetrically distributed on the longitudinal support rod (3).

3. The display stand that is easy to assemble and disassemble according to claim 1, characterized in that: The bottom walls of the two mounting shells (5) are each formed with a cavity, and the two operating handles (6) extend into the two cavities respectively and are designed to be vertical.

4. The display stand that is easy to assemble and disassemble according to claim 1, characterized in that: The inner adjustment rod (8) is vertically designed in the hollow inner groove (7), and the inner adjustment rod (8) is rotatably connected to the operating bar (4).

5. The display stand that is easy to assemble and disassemble according to claim 1, characterized in that: The plurality of main bevel gears (9) on the inner adjustment rod (8) are distributed at equal intervals in the vertical direction.

6. The display stand that is easy to assemble and disassemble according to claim 1, characterized in that: The inner shaft (12), the threaded rod (14) and the sliding rod (15) are all designed to be horizontal, and the threaded rod (14) is rotatably connected to the positioning plate (13).

7. The display stand that is easy to assemble and disassemble according to claim 1, characterized in that: The fastening bolt (17) is designed to be horizontal, the head of the fastening bolt (17) is embedded in the inner slider (16) and welded to the inner slider (16), and the tail of the fastening bolt (17) extends from the inner slider (16).

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