Portable foldable support of display screen

Abstract

The utility model discloses a portable foldable support of a display screen. The portable foldable support comprises a base, a first connecting frame and a second connecting frame. The first connecting frame is fixedly installed on the base, and a first rotating assembly is further installed on the top of the first connecting frame. A second rotating assembly is installed at the position, corresponding to the first rotating assembly, of the bottom of the second connecting frame. The second connecting frame is rotationally connected with the first connecting frame through the second rotating assembly and the first rotating assembly. The top of the first connecting frame is further provided with a lock pin assembly, and the position, corresponding to the lock pin assembly, of the bottom of the second connecting frame is further provided with a buckle assembly used in cooperation with the lock pin assembly. By adopting the design of multi-section rotary connection, when the bracket is not used, the bracket can be folded, so that the occupied space is greatly reduced, and the bracket is convenient to carry and transport.

Description

TECHNICAL FIELD

[0001] The utility model relates to display screen technical field especially relates to a portable foldable support of display screen. BACKGROUND

[0002] The conventional display screen support is mostly fixed structure, cannot satisfy the use demand of user under different scenes. For example, when needing to carry display screen and move or use in limited space, the volume of fixed support is big, is inconvenient to carry and deposit, especially under the condition that display screen needs to be moved or adjusted frequently, the defect of traditional support is more obvious, therefore, needs improvement. UTILITY MODEL CONTENT

[0003] The utility model provides a portable foldable support of display screen, the support adopts the design of multi -section rotation connection, can be folded when not using the support, greatly reduces the space occupied, is convenient to carry and carry, simultaneously, through the cooperation of lock pin subassembly and buckle subassembly, the support can be firmly locked after unfolding, ensures that display screen keeps stable in the use process, does not shake due to external force or misoperation, guarantees the security of use.

[0004] In order to achieve the above object, the following technical scheme is adopted:

[0005] A portable foldable support of display screen, including base, first connecting frame, second connecting frame, the first connecting frame is fixedly installed on the base, and the top of first connecting frame still installs first rotation subassembly, the bottom of second connecting frame is installed with second rotation subassembly at the corresponding place of first rotation subassembly, and second connecting frame is rotatably connected with first connecting frame through second rotation subassembly, first rotation subassembly, the top of first connecting frame still installs lock pin subassembly, and the bottom of second connecting frame still installs buckle subassembly used in cooperation with lock pin subassembly at the corresponding place of lock pin subassembly.

[0006] Further, the lock pin subassembly includes first fixed block and locking bolt, the top of first connecting frame is provided with first insertion hole, the first fixed block is installed on the inner side of the top of first connecting frame, and the first fixed block is provided with first mounting hole at the corresponding place of first insertion hole, the upper portion of locking bolt is sequentially arranged through first mounting hole and first insertion hole, the outer wall of locking bolt is provided with first sliding hole along the axial direction, and the first fixed block is further provided with first guide rod, and one end of first guide rod is inserted into first sliding hole.

[0007] Further, the bottom of locking bolt is further provided with locking handle.

[0008] Further, the bottom of the second connecting frame is also provided with a second jack hole corresponding to the first jack hole; the buckle assembly comprises a second fixing block and a clamping tongue; the second fixing block is mounted on the inner side of the bottom of the second connecting frame, and a first locking hole is formed in the second fixing block corresponding to the second jack hole; a first sliding groove is formed in one end of the second fixing block and extends into the first locking hole, one end of the clamping tongue is movably arranged in the first sliding groove, and the other end of the clamping tongue is bent upward and extends.

[0009] Further, the top of the locking bolt is in a circular truncated cone type structure.

[0010] Further, the first rotating assembly comprises a first fixing seat, a first connecting rod and a first connecting pin; the first fixing seat is mounted on the top of the first connecting frame, and a first mounting groove is formed in the top of the first fixing seat; the second rotating assembly comprises a second fixing seat and a second connecting rod; the second fixing seat is mounted on the bottom of the second connecting frame, and a second mounting groove is formed in the bottom of the second fixing seat; first and second connecting shafts are connected between the inner walls of the two ends of the first mounting groove, and the first and second connecting shafts are arranged on one side in the first mounting groove; a second sliding groove is formed in the inner wall of each end of the first mounting groove along the depth direction of the first mounting groove, and a first guide wheel is connected to each end of the first connecting shaft, and the two first guide wheels are arranged in a second sliding groove; third and fourth connecting shafts are connected between the inner walls of the two ends of the second mounting groove, and the third and fourth connecting shafts are arranged on one side in the second mounting groove; a third sliding groove is formed in the inner wall of each end of the second mounting groove along the depth direction of the second mounting groove, and a second guide wheel is connected to each end of the third connecting shaft, and the two second guide wheels are arranged in a third sliding groove; the lower part of the first connecting rod is movably sleeved on the first connecting shaft, and the upper part of the first connecting rod is movably sleeved on the fourth connecting shaft; the lower part of the second connecting rod is movably sleeved on the second connecting shaft, and the upper part of the second connecting rod is movably sleeved on the third connecting shaft; the first connecting pin is movably arranged through the middle part of the first connecting rod and the middle part of the second connecting rod in sequence.

[0011] Further, the top of the second connecting frame is also provided with a first rotating assembly and a locking bolt assembly; the number of the second connecting frames is multiple, and the multiple second connecting frames are rotatably connected to each other.

[0012] Further, one end of the first connecting frame and one end of the second connecting frame are also provided with a locking bolt assembly, and the other end of the first connecting frame and the other end of the second connecting frame are also provided with a buckle assembly.

[0013] By adopting the above scheme, the beneficial effects of the utility model are as follows:

[0014] The utility model discloses a design of multi-section rotation connection, can be folded when not using support, greatly reduce the space occupied, convenient to carry and carry, simultaneously, through the cooperation of lock pin subassembly and buckle subassembly, support can firmly lock after unfolding, ensure that display screen keeps stable in the use, will not shake because of external force or misoperation, guarantee the security of use. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is the structural diagram of the utility model in vertical state;

[0016] Fig. 2 It is the structural diagram of the utility model when partly folding;

[0017] Fig. 3 It is the structural diagram of the utility model after completely folding;

[0018] Fig. 4 It is the structural diagram of two supports splicing together;

[0019] Fig. 5 It is the structural diagram of lock pin subassembly and buckle subassembly of the utility model;

[0020] Fig. 6 It is the structural diagram of first rotation subassembly and second rotation subassembly of the utility model;

[0021] Among them, the drawing mark explanation is as follows:

[0022] 1, base;2, first connecting frame;3, second connecting frame;4, first rotation subassembly;5, second rotation subassembly;6, lock pin subassembly;7, buckle subassembly;8, reinforcing plate;41, first fixed seat;42, first connecting rod;43, first connecting pin;44, first connecting shaft;45, second connecting shaft;46, first guide wheel;51, second fixed seat;52, second connecting rod;53, third connecting shaft;54, fourth connecting shaft;61, first fixed block;62, locking bolt;63, first sliding hole;64, locking handle;65, clamping groove;71, second fixed block;72, clamping tongue. DETAILED DESCRIPTION

[0023] The utility model is explained in detail below in combination with the drawings and specific embodiment.

[0024] Refer to Figs. 1 to 6As shown, the utility model provides a portable foldable support of display screen, in an embodiment, including base 1, first connecting frame 2, second connecting frame 3, first connecting frame 2 is fixedly installed on base 1, and the top of first connecting frame 2 still is installed with first rotation component 4 (the number of first rotation component 4 is equipped with three, and is arranged at intervals), the bottom of second connecting frame 3 with first rotation component 4 correspondence place is installed with second rotation component 5 (the number of second rotation component 5 is equipped with three, and is arranged at intervals), and second connecting frame 3 is rotated and is connected through second rotation component 5, first rotation component 4 and first connecting frame 2, the top of first connecting frame 2 still is installed with locking pin component 6 (locking pin component 6 is equipped with four groups, and is arranged at intervals), and the bottom of second connecting frame 3 with locking pin component 6 correspondence place still is installed with buckle component 7 (buckle component 7 also is equipped with four groups, and is arranged at intervals) with the cooperation of locking pin component 6.

[0025] Continuing to refer to Figs. 1 to 6 As shown, in this embodiment, the first cavity is formed in the base 1, and the power supply and other components are arranged in the first cavity. The power connector and other devices are installed on one side of the base 1. The wire hole is formed in the base 1 to facilitate the wiring of the display screen. Meanwhile, one caster cup is installed on each corner of the base 1 to facilitate movement. Two reinforcing plates 8 are connected to the top of the base 1. Each reinforcing plate 8 is connected to one end of the first connecting frame 2 to improve the strength of the overall structure of the support. The display screen can be installed on one side of the support. The display screen is a conventional flexible spliced screen.

[0026] Meanwhile, the first rotation component 4 and the locking pin component 6 are installed on the top of the second connecting frame 3. The number of second connecting frames 3 is multiple. The multiple second connecting frames 3 are rotatably connected to each other. Fig. 1 As shown, in this embodiment, the number of second connecting frames 3 is three. The three second connecting frames 3 are rotatably connected to each other through the second rotation component 5 and the first rotation component 4. Figs. 1-3 As shown, the support is in the straight, partially folded, and completely folded states. When the support is in the straight state, the locking pin component 6 and the buckle component 7 are used to lock the support firmly to ensure the stability of the display screen during use. When the support is not in use, it can be folded to greatly reduce the occupied space, facilitating carrying and transportation. In addition, the locking pin component 6 is installed on one end of the first connecting frame 2 and one end of the second connecting frame 3 (two are provided). The buckle component 7 is installed on the other end of the first connecting frame 2 and the other end of the second connecting frame 3 (two are provided). The support can be used alone or multiple supports can be spliced together through the locking pin component 6 and the buckle component 7 to meet different use requirements, with strong versatility.

[0027] In an embodiment, the lock pin assembly 6 comprises a first fixed block 61 and a lock bolt 62; the top of the first connecting frame 2 is provided with a first insertion hole, the first fixed block 61 is installed on the inner side of the top of the first connecting frame 2, and a first mounting hole is further provided on the first fixed block 61 corresponding to the first insertion hole; the upper part of the lock bolt 62 is sequentially arranged through the first mounting hole and the first insertion hole. The bottom of the second connecting frame 3 is further provided with a second insertion hole corresponding to the first insertion hole; the buckle assembly 7 comprises a second fixed block 71 and a clamping tongue 72; the second fixed block 71 is installed on the inner side of the bottom of the second connecting frame 3, and a first locking hole is further provided on the second fixed block 71 corresponding to the second insertion hole; a first sliding groove extending into the first locking hole is provided at one end of the second fixed block 71, one end of the clamping tongue 72 is movably inserted into the first sliding groove, and the other end of the clamping tongue 72 is bent upward and extended; the upper part of the lock bolt 62 is further provided with a clamping groove 65 used in cooperation with the clamping tongue 72 along the circumference thereof.

[0028] When the support is in an extended state, the lock bolt 62 can be pushed upward so that the lock bolt 62 is inserted into the first locking hole, and then the clamping tongue 72 is pushed in the direction of the lock bolt 62 so that the end of the clamping tongue 72 is inserted into the clamping groove 65, that is, the connecting frame can be locked and fixed. When the support needs to be folded, the clamping tongue 72 is simply pulled apart and the lock bolt 62 is pulled downward to complete the unlocking. In addition, the outer wall of the lock bolt 62 is provided with a first sliding hole 63 along the axial direction, and a first guide rod is further installed on the first fixed block 61, and one end of the first guide rod is arranged by being inserted into the first sliding hole 63 to guide the lock bolt 62 when it is raised and lowered. In addition, in order to facilitate the pushing of the lock bolt 62, a lock handle 64 is further installed on the bottom of the lock bolt 62. In a more preferred embodiment, the top of the lock bolt 62 is in the form of a circular truncated cone.

[0029] In an embodiment, the first rotating component 4 comprises a first fixed seat 41, a first connecting rod 42, and a first connecting pin 43; the first fixed seat 41 is installed on the top of the first connecting frame 2, and a first installation slot is formed on the top of the first fixed seat 41; the second rotating component 5 comprises a second fixed seat 51 and a second connecting rod 52; the second fixed seat 51 is installed on the bottom of the second connecting frame 3, and a second installation slot is formed on the bottom of the second fixed seat 51; a first connecting shaft 44 and a second connecting shaft 45 are connected between the inner walls of the two ends of the first installation slot, and the first connecting shaft 44 and the second connecting shaft 45 are arranged on one side in the first installation slot respectively; a second sliding slot is formed on the inner wall of each end of the first installation slot along the depth direction of the first installation slot, and a first guide wheel 46 is connected to each end of the first connecting shaft 44, and the two first guide wheels 46 are arranged in a second sliding slot respectively; a third connecting shaft 53 and a fourth connecting shaft 54 are connected between the inner walls of the two ends of the second installation slot, and the third connecting shaft 53 and the fourth connecting shaft 54 are arranged on one side in the second installation slot respectively; a third sliding slot is formed on the inner wall of each end of the second installation slot along the depth direction of the second installation slot, and a second guide wheel is connected to each end of the third connecting shaft 53, and the two second guide wheels are arranged in a third sliding slot respectively; the lower part of the first connecting rod 42 is movably sleeved on the first connecting shaft 44, and the upper part of the first connecting rod 42 is movably sleeved on the fourth connecting shaft 54; the lower part of the second connecting rod 52 is movably sleeved on the second connecting shaft 45, and the upper part of the second connecting rod 52 is movably sleeved on the third connecting shaft 53; the first connecting pin 43 is movably arranged through the middle part of the first connecting rod 42 and the middle part of the second connecting rod 52 in sequence. Fig. 6 As shown in the figure, in this embodiment, the number of the first connecting rod 42 and the second connecting rod 52 is two groups, each group of the first connecting rod 42 and the second connecting rod 52 comprises four connecting pieces with the same structure, and the first connecting rod 42 and the second connecting rod 52 are arranged apart from each other; the second connecting frame 3 can be rotated through the first connecting rod 42 and the second connecting rod 52 to achieve the purpose of folding, and the multiple groups of the first connecting rod 42 and the second connecting rod 52 can ensure the stability of folding.

[0030] The above is only a preferred embodiment of the present application, and is not used to limit the present application, 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 present application.

Claims

1. A portable foldable stand for a display screen, characterised in that, The utility model provides a kind of frame structure, including base, first connecting frame, second connecting frame;The first connecting frame is fixedly installed on base, and the top of first connecting frame is also installed with first rotating component;The bottom of second connecting frame is installed with second rotating component at the corresponding place of first rotating component, and second connecting frame is rotatably connected with first connecting frame via second rotating component, first rotating component;The top of first connecting frame is also installed with locking pin component, and the bottom of second connecting frame is also installed with buckle component used in cooperation with locking pin component at the corresponding place of locking pin component.

2. The portable, foldable stand for a display screen of claim 1, wherein, The locking pin component includes first fixed block, locking bolt;The top of first connecting frame is provided with first insertion hole, and first fixed block is installed in the inner side of the top of first connecting frame, and first fixed block is also provided with first mounting hole at the corresponding place of first insertion hole;The upper portion of locking bolt is sequentially arranged through first mounting hole, first insertion hole;First sliding hole is formed in the outer wall of locking bolt along its axial direction, and first guide rod is also installed on first fixed block, and one end of first guide rod is inserted into first sliding hole.

3. A portable, foldable stand for a display screen according to claim 2, characterised in that, The bottom of locking bolt is also installed with locking handle.

4. The portable, foldable stand for a display screen of claim 2, wherein, The bottom of second connecting frame is also provided with second insertion hole at the corresponding place of first insertion hole;The buckle component includes second fixed block, clamping tongue;Second fixed block is installed in the inner side of the bottom of second connecting frame, and second fixed block is also provided with first locking hole at the corresponding place of second insertion hole;First sliding groove is formed in one end of second fixed block and extends to first locking hole, one end of clamping tongue is movably inserted into first sliding groove, and the other end of clamping tongue is curved upwards and extended arrangement;The upper portion of locking bolt is also provided with clamping groove used in cooperation with clamping tongue along its circumferential direction.

5. A portable, foldable stand for a display screen according to claim 4, characterised in that, The top of locking bolt is in the form of a circular truncated cone.

6. The portable, foldable stand for a display screen of claim 1, wherein, The first rotating component comprises a first fixed seat, a first connecting rod and a first connecting pin; the first fixed seat is installed on the top of the first connecting frame, and a first installation slot is formed in the top of the first fixed seat; the second rotating component comprises a second fixed seat and a second connecting rod; the second fixed seat is installed on the bottom of the second connecting frame, and a second installation slot is also formed in the bottom of the second fixed seat; the first connecting shaft and the second connecting shaft are connected between the inner walls of the two ends of the first installation slot, and the first connecting shaft and the second connecting shaft are arranged on one side in the first installation slot respectively; a second sliding groove is formed in the depth direction of the first installation slot on the inner walls of the two ends of the first installation slot, and a first guide wheel is connected to the two ends of the first connecting shaft, and the two first guide wheels are arranged in a second sliding groove respectively; the third connecting shaft and the fourth connecting shaft are connected between the inner walls of the two ends of the second installation slot, and the third connecting shaft and the fourth connecting shaft are arranged on one side in the second installation slot respectively; a third sliding groove is formed in the depth direction of the second installation slot on the inner walls of the two ends of the second installation slot, and a second guide wheel is connected to the two ends of the third connecting shaft, and the two second guide wheels are arranged in a third sliding groove respectively; the lower part of the first connecting rod is movably sleeved on the first connecting shaft, and the upper part of the first connecting rod is movably sleeved on the fourth connecting shaft; the lower part of the second connecting rod is movably sleeved on the second connecting shaft, and the upper part of the second connecting rod is movably sleeved on the third connecting shaft; the first connecting pin is movably arranged through the middle part of the first connecting rod and the middle part of the second connecting rod in sequence.

7. The portable, foldable stand for a display screen of claim 1, wherein, The top of the second connecting frame is also provided with a first rotating component and a lock pin assembly; the number of the second connecting frame is multiple, and multiple second connecting frames are rotatably connected with each other.

8. The portable, foldable stand for a display screen of claim 1, wherein, One end of the first connecting frame and one end of the second connecting frame are also provided with a lock pin assembly, and the other end of the first connecting frame and the other end of the second connecting frame are also provided with a buckle assembly.

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