Four-bar linkage structure of display base

Abstract

The four-connecting-rod structure comprises an installation base, a sleeve, a connecting base, a connecting arm, a pulling base, an outer shell and a head end base, the sleeve is installed at the top end of the installation base, the connecting base is movably connected to the inner side of the sleeve, and limiting grooves are formed in the two sides of the top end of the connecting base; the bottom end of the connecting arm is connected to the inner side of the top end of the connecting base through a second connecting bolt, limiting blocks are installed on the two sides of the bottom end of the connecting arm and movably connected into limiting grooves, connecting frames are movably connected to the two sides of the top end of the connecting arm, and the pulling base is installed at the head ends of the two connecting frames. And one end of the pulling seat is connected with a connecting shaft. The four-connecting-rod structure of the display base can quickly adjust the height of a display, is convenient to operate, and has an automatic reset function, so that the display is always in a fixed position after being adjusted, and manual reset is not needed.

Description

Technical Field

[0001] The utility model relates to the technical field of display installation, in particular to a four-link structure of a display base. Background Art

[0002] The monitor is the I / O device of the computer, that is, the output device. It is a display tool that displays certain electronic files on the screen through a specific transmission device. It can be divided into cathode ray tube monitors (CRT), plasma displays PDP, and liquid crystal displays LCD. The monitor needs to be installed on a base for use.

[0003] However, the existing display base structure often uses a bolt structure to adjust the height of the display, which is inconvenient to operate, and will cause deviation when subjected to external force after adjustment, requiring the user to manually reset the display, which is very inconvenient. Utility Model Content

[0004] The purpose of the utility model is to provide a four-link structure for a display base, which can quickly adjust the height of the display and is easy to operate. It also has an automatic reset function so that the display is always in a fixed position after adjustment without manual reset, thereby solving the problems raised by the above technical background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a four-link structure of a display base, comprising: a mounting base, a sleeve, a connecting base, a connecting arm, a pulling base, an outer shell and a head end base, wherein the sleeve is mounted on the top end of the mounting base, the connecting base is movably connected to the inner side of the sleeve, limiting grooves are provided on both sides of the top end of the connecting base, the bottom end of the connecting arm is connected to the inner side of the top end of the connecting base through a second connecting bolt, limiting blocks are installed on both sides of the bottom end of the connecting arm, and the limiting blocks are movably connected in the limiting grooves, and both sides of the top end of the connecting arm are movably connected with connecting rods The connecting frame, the pulling seat is installed at the head ends of the two connecting frames, one end of the pulling seat is connected to a connecting shaft, the connecting shaft is movably connected to a mounting plate, one end of the connecting shaft is connected to a movable plate, the movable plate is connected to one side of the mounting plate through a tightening spring, both sides of the movable plate are equipped with limit rods, the outer sides of the mounting plate and the movable plate are provided with an inner shell, both sides of the inner shell are provided with a second slide groove, and the limit rod is movably connected in the second slide groove, the two outer shells are respectively installed on the outer sides of the connecting arm and the inner shell, and the head end seat is installed at the head end of the inner shell;

[0006] The mounting seat is used to install the sleeve, the sleeve is used to install the connecting seat, the connecting seat is used to install the connecting arm, the second connecting bolt is used to make the connecting arm rotate on the connecting seat, the limit groove is used to limit the moving position of the limit block, the limit block is used to limit the rotation angle of the connecting arm, the connecting frame is used to connect the connecting arm and the pulling seat, the pulling seat is used to drive the connecting shaft to move, the connecting shaft is used to drive the movable plate to move, the mounting plate is used to provide a channel for the sliding of the connecting shaft, the movable plate is used to move with the connecting shaft, and a tightening spring is installed, the tightening spring is used to drive it to reset after the pulling seat moves, the limit rod is used to provide sliding along the second slide groove to limit the moving position of the movable plate, the second slide groove is used to limit the moving position of the limit rod, the inner shell is used to protect the internal device and install the head end seat, the outer shell is used to protect the inner shell and the connecting arm, and the head end seat is used to install the mounting plate.

[0007] Preferably, a fixed block is installed on one side of the bottom end of the mounting seat, a toggle groove is opened on one side of the mounting seat, a toggle block is movably connected inside the toggle groove, a sliding plate is installed on the bottom end of the toggle block, a movable block is installed on the bottom end of the sliding plate, one end of a return spring is connected to the rear end of the sliding plate, and the other end of the return spring is connected to the mounting seat; the fixed block and the movable block are used to cooperate with each other to fix the mounting seat, the toggle groove is used to provide a channel for the movement of the toggle block, the toggle block is used to drive the sliding plate to move, the sliding plate is used to drive the movable block to move, and the return spring is used to drive the sliding plate to reset after it moves.

[0008] Preferably, a first sliding groove is provided on both sides of the sliding plate, and the first sliding groove is internally movably connected with a limiting bolt, and the limiting bolt is connected to the bottom end of the mounting seat; the first sliding groove is used to provide a channel for the limiting bolt to slide, and the limiting bolt is used to limit the moving position of the first sliding groove.

[0009] Preferably, a fixed seat is provided inside the sleeve, and the bottom end of the fixed seat is movably connected to the mounting seat, the connecting seat is connected to the inner side of the fixed seat by a first connecting bolt, the two ends of the torsion spring are connected to the two sides of the fixed seat, and the top end of the torsion spring is installed on the bottom end of the connecting seat; the fixed seat is used to install the connecting seat, the first connecting bolt is used to enable the connecting seat to rotate on the fixed seat, and the torsion spring is used to drive the connecting seat to reset after it rotates.

[0010] Preferably, a receiving joint is installed at the connection between the connecting arm and the inner shell, and the receiving joint matches the connecting arm and the inner shell; the receiving joint is used to receive the gap between the connecting arm and the inner shell.

[0011] Preferably, a third connecting bolt is installed at the center of the head end seat, the third connecting bolt is connected to the inner shell, a limiting ring is installed at the head end of the third connecting bolt, a mounting frame is installed on the outer side of the head end seat, and mounting holes are provided on both arms of the mounting frame; the third connecting bolt is used to connect the head end seat and the inner shell, the limiting ring is used to limit the position of the third connecting bolt, the mounting frame is used to open the mounting hole, and the mounting hole is used to connect the mounting frame and an external display screen.

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

[0013] The display screen is installed through the head end seat. When the position of the display screen needs to be adjusted, the connecting arm is pulled, and the connecting arm rotates along the connecting seat through the second connecting bolt, and the limit block moves to the end in the limit groove to complete the adjustment of the angle of the connecting arm. By pulling the head end seat, the head end seat drives the inner shell to rotate along the connecting arm, and the connecting frame drives the pulling seat to remain in place, thereby driving the connecting shaft to slide along the mounting plate, and the connecting shaft drives the movable plate to move, and the movable plate drives the limit rod to slide along the end of the second slide groove to complete the adjustment of the head end seat. When the head end seat is pulled beyond the range, the tightening spring is stretched, and after being free from force, the tightening spring drives the movable plate to reset, thereby resetting the display screen.

[0014] The four-link structure of the display base can quickly adjust the height of the display, is easy to operate, and has an automatic reset function, so that the display is always in a fixed position after adjustment without manual reset. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 This is a schematic diagram of the structure of the utility model without the outer shell;

[0017] Figure 3 It is a structural schematic diagram of one side of the interior of the utility model;

[0018] Figure 4 It is a schematic diagram of the structure of the other side of the interior of the utility model;

[0019] Figure 5 It is a structural schematic diagram of the mounting seat of the utility model;

[0020] Figure 6 This is a structural schematic diagram of the mounting base of the utility model without the sliding plate.

[0021] The reference numerals and names in the figures are as follows:

[0022] 100 mounting seat, 110 fixed block, 120 toggle slot, 130 toggle block, 140 sliding plate, 141 first slide slot, 150 movable block, 160 return spring, 170 limiting bolt, 200 sleeve, 210 fixed seat, 220 first connecting bolt, 230 torsion spring, 300 connecting seat, 310 limiting slot, 400 connecting arm, 410 second connecting bolt, 420 limiting block, 430 connecting frame, 440 bearing joint, 500 pulling seat, 510 connecting shaft, 520 mounting plate, 530 tightening spring, 540 movable plate, 541 limiting rod, 550 inner shell, 551 second slide slot, 600 outer shell, 700 head end seat, 710 third connecting bolt, 711 limiting ring, 720 mounting frame, 730 mounting hole. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Embodiment 1

[0025] See also Figures 1 to 6The embodiment provided by the utility model is a four-link structure of a display base, comprising: a mounting base 100, a sleeve 200, a connecting base 300, a connecting arm 400, a pulling base 500, an outer shell 600 and a head end base 700, wherein the sleeve 200 is welded to the top of the mounting base 100, the connecting base 300 is rotatably connected to the inner side of the sleeve 200, and limiting grooves 310 are provided on both sides of the top of the connecting base 300, the bottom end of the connecting arm 400 is connected to the inner side of the top of the connecting base 300 by a second connecting bolt 410, limiting blocks 420 are welded on both sides of the bottom end of the connecting arm 400, and the limiting blocks 420 are slidably connected in the limiting grooves 310, the top sides of the connecting arm 400 are connected to the connecting frame 430 by an axis, and the pulling base 500 The head ends of the two connecting frames 430 are connected to one end of the pulling seat 500 by an axis, a connecting shaft 510 is welded to one end of the pulling seat 500, and the connecting shaft 510 is slidably connected to the mounting plate 520, and a movable plate 540 is welded to one end of the connecting shaft 510, and the movable plate 540 is welded to one side of the mounting plate 520 through a tightening spring 530, and limiting rods 541 are welded to both sides of the movable plate 540, and an inner shell 550 is provided on the outer side of the mounting plate 520 and the movable plate 540, and a second slide groove 551 is opened on both sides of the inner shell 550, and the limiting rod 541 is slidably connected in the second slide groove 551, and the two outer shells 600 are respectively snap-connected to the outer sides of the connecting arm 400 and the inner shell 550, and the head end seat 700 is installed at the head end of the inner shell 550;

[0026] When the position of the display screen needs to be adjusted, the connecting arm 400 is pulled, and the connecting arm 400 rotates along the connecting seat 300 through the second connecting bolt 410, and the limit block 420 moves to the end in the limit groove 310 to complete the adjustment of the angle of the connecting arm 400. By pulling the head end seat 700, the head end seat 700 drives the inner shell 550 to rotate along the connecting arm 400, and the connecting frame 430 drives the pulling seat 500 to remain in place, thereby driving the connecting shaft 510 to slide along the mounting plate 520, and the connecting shaft 510 drives the movable plate 540 to move, and the movable plate 540 drives the limit rod 541 to slide along the end of the second slide groove 551 to complete the adjustment of the head end seat 700. When the head end seat 700 is pulled beyond the range, the tightening spring 530 is stretched. After being free from force, the tightening spring 530 drives the movable plate 540 to reset, thereby resetting the display screen.

[0027] Embodiment 2

[0028] See also Figures 1 to 6 The utility model proposes a four-link structure for a display base. Compared with the first embodiment, the present embodiment further includes:

[0029] The bottom end of the mounting seat 100 is welded with a fixed block 110, and a toggle groove 120 is provided on one side of the mounting seat 100, and a toggle block 130 is slidably connected to the inside of the toggle groove 120, and the toggle block 130 is slidably connected to the inside of the toggle groove 120, and the bottom end of the toggle block 130 is connected to a sliding plate 140 by bolts, and a movable block 150 is welded to the bottom end of the sliding plate 140, and one end of a return spring 160 is welded to the rear end of the sliding plate 140, and the other end of the return spring 160 is welded to the mounting seat 100; by pushing the toggle block 130 to slide on the toggle groove 120, the toggle block 130 drives the sliding plate 140 to move, and the sliding plate 140 drives the movable block 150 to move, and then the mounting seat 100 is placed on the component to be installed, and the toggle block 130 is released, and the return spring 160 pushes the sliding plate 140 to reset, driving the movable block 150 to move and cooperate with the fixed block 110 to fix the mounting seat 100.

[0030] A first sliding groove 141 is provided on both sides of the sliding plate 140. The first sliding groove 141 is internally slidably connected to a limiting bolt 170. The limiting bolt 170 is threadedly connected to the bottom end of the mounting seat 100. The limiting bolt 170 slides in the first sliding groove 141 to limit the moving position of the sliding plate 140.

[0031] A fixing seat 210 is provided inside the sleeve 200, and the bottom end of the fixing seat 210 is connected to the mounting seat 100 through an axis, and the connecting seat 300 is connected to the inner side of the fixing seat 210 through a first connecting bolt 220, and the two sides of the fixing seat 210 are embedded with two ends of a torsion spring 230, and the top end of the torsion spring 230 is snap-connected to the bottom end of the connecting seat 300; by pulling the connecting seat 300, the connecting seat 300 rotates on the fixing seat 210 through the first connecting bolt 220, and the connecting seat 300 rotates to drive the torsion spring 230 to move, and the torsion spring 230 drives the connecting seat 300 to reset after being free from force.

[0032] The connection between the connecting arm 400 and the inner shell 550 is connected to a receiving joint 440 via an axis, and the receiving joint 440 matches the connecting arm 400 and the inner shell 550; the receiving joint 440 makes the rotation between the connecting arm 400 and the inner shell 550 smoother.

[0033] A third connecting bolt 710 is threadedly connected at the center of the head end seat 700, and the third connecting bolt 710 is threadedly connected to the inner shell body 550. The head end of the third connecting bolt 710 is embedded in a connecting limiting ring 711. A mounting frame 720 is welded to the outer side of the head end seat 700, and mounting holes 730 are provided on the two arms of the mounting frame 720. The display screen is mounted on the mounting frame 720 through the mounting holes 730, and the mounting frame 720 is mounted on the head end seat 700 to complete the installation of the display screen.

[0034] It is obvious 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 features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A four-link structure for a display base, characterized in that: include: A mounting seat (100), a sleeve (200), a connecting seat (300), a connecting arm (400), a pulling seat (500), an outer shell (600) and a head end seat (700), wherein the sleeve (200) is mounted on the top of the mounting seat (100), the connecting seat (300) is movably connected to the inner side of the sleeve (200), limiting grooves (310) are provided on both sides of the top of the connecting seat (300), the bottom end of the connecting arm (400) is connected to the inner side of the top of the connecting seat (300) through a second connecting bolt (410), limiting blocks (420) are installed on both sides of the bottom end of the connecting arm (400), and the limiting blocks (420) are movably connected in the limiting grooves (310), the top of the connecting arm (400) is movably connected to a connecting frame (430), and the pulling seat (500) is mounted on the two connecting frames (430). Head end, one end of the pulling seat (500) is connected to a connecting shaft (510), and the connecting shaft (510) is movably connected to a mounting plate (520), one end of the connecting shaft (510) is connected to a movable plate (540), and the movable plate (540) is connected to one side of the mounting plate (520) through a tightening spring (530), and limiting rods (541) are installed on both sides of the movable plate (540), and an inner shell (550) is arranged on the outer side of the mounting plate (520) and the movable plate (540), and a second sliding groove (551) is opened on both sides of the inner shell (550), and the limiting rod (541) is movably connected in the second sliding groove (551), and the two outer shells (600) are respectively installed on the outer sides of the connecting arm (400) and the inner shell (550), and the head end seat (700) is installed at the head end of the inner shell (550).

2. The four-link structure of a display base according to claim 1, characterized in that: A fixed block (110) is installed on one side of the bottom end of the mounting seat (100), a toggle groove (120) is opened on one side of the mounting seat (100), a toggle block (130) is movably connected inside the toggle groove (120), a sliding plate (140) is installed on the bottom end of the toggle block (130), a movable block (150) is installed on the bottom end of the sliding plate (140), one end of a return spring (160) is connected to the rear end of the sliding plate (140), and the other end of the return spring (160) is connected to the mounting seat (100).

3. The four-bar linkage structure of a display base according to claim 2, characterized in that: A first sliding groove (141) is provided on both sides of the sliding plate (140), and a limit bolt (170) is movably connected inside the first sliding groove (141), and the limit bolt (170) is connected to the bottom end of the mounting seat (100).

4. The four-link structure of a display base according to claim 1, characterized in that: A fixing seat (210) is arranged inside the sleeve (200), and the bottom end of the fixing seat (210) is movably connected to the mounting seat (100), and the connecting seat (300) is connected to the inner side of the fixing seat (210) via a first connecting bolt (220), and the two ends of a torsion spring (230) are connected to both sides of the fixing seat (210), and the top end of the torsion spring (230) is installed at the bottom end of the connecting seat (300).

5. The four-link structure of a display base according to claim 1, characterized in that: A receiving joint (440) is installed at the connection between the connecting arm (400) and the inner shell (550), and the receiving joint (440) matches the connecting arm (400) and the inner shell (550).

6. The four-link structure of a display base according to claim 1, characterized in that: A third connecting bolt (710) is installed at the center of the head end seat (700), and the third connecting bolt (710) is connected to the inner shell body (550). A limiting ring (711) is installed at the head end of the third connecting bolt (710). A mounting frame (720) is installed on the outer side of the head end seat (700), and mounting holes (730) are provided on the two arms of the mounting frame (720).

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