A break-resistant LED bulb stem

Abstract

The present invention discloses a break-resistant LED bulb stem, which relates to the technical field of LED bulb stems. It includes a base, a supporting device and a protective device; wherein a supporting rod is fixedly installed on the top of the base, a heat-conducting rod is fixedly installed on the top of the supporting rod, a hollow plate is fixedly installed on the surface of the heat-conducting rod, a lamp board is rotatably installed on the surface of the hollow plate, and a lamp strip is arranged on the surface of the lamp board; wherein the supporting device includes an elastic plate and an elastic telescopic rod, the top of the elastic plate is connected to the surface of the supporting rod, the bottom of the elastic plate is connected to the surface of the base, the elastic telescopic rod is hinged to the top of the base, the free end of the elastic telescopic rod is hinged to the supporting rod, the elastic telescopic rod supports the supporting rod, and prevents the lamp board from directly detaching from the base after the supporting rod breaks, and the high-temperature lamp board burns through the lampshade and detaches from the inside of the lampshade to cause danger.

Description

Technical Field

[0001] The invention relates to the technical field of LED bulb stems, in particular to a breakage-resistant LED bulb stem. Background Art

[0002] The core of an LED bulb refers to the supporting structure inside the bulb, which is usually made of materials such as metal or ceramics and is used to support the LED chip and connect to the power supply. The LED chip is a light-emitting diode and is the key component of an LED bulb.

[0003] The patent with the patent announcement number CN212005206U relates to a break-resistant LED bulb core column, the top of the core column body is integrally connected with the pressure head, more than two-thirds of the core column body is a hollow exhaust pipe, the bottom of the core column body is a trumpet-shaped cylinder matching the bulb shell, a plurality of support wires are arranged on the side of the core column body, the support wires include a bottom support wire and a top support wire, the bottom support wire is located near the bottom of the side of the core column body, the top support wire is located on the side of the pressure head, and radial exhaust holes are arranged on the side of the hollow exhaust pipe part of the core column body, and the radial exhaust holes penetrate the hollow exhaust pipe part horizontally. The pressure head is in the shape of a truncated cone, and the upper bottom surface of the truncated cone is provided with an axial exhaust hole, and the axial exhaust hole is connected to the hollow exhaust pipe. This patent has the advantages of strong break resistance.

[0004] In the above patent, due to the presence of the hollow exhaust pipe in the core column, the bending section coefficient per unit area of ​​the core column is increased, the deflection of the core column body is reduced, and the fracture resistance of the core column is enhanced. However, after the core column is broken, the bulb core column will directly detach from the inside of the bulb, so that the high-temperature bulb core column will burn the bulb shell, resulting in the detached bulb core column causing danger and fire. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a breakage-resistant LED bulb stem, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a break-resistant LED bulb core column, including a base, a supporting device and a protective device; wherein a supporting rod is fixedly installed on the top of the base, a heat-conducting rod is fixedly installed on the top of the support rod, a hollow plate is fixedly installed on the surface of the heat-conducting rod, a lamp board is rotatably installed on the surface of the hollow plate, and a lamp strip is arranged on the surface of the lamp board; wherein the supporting device includes an elastic plate and an elastic telescopic rod, the top of the elastic plate is fixedly connected to the surface of the support rod, the bottom of the elastic plate is fixedly connected to the surface of the base, the elastic telescopic rod is hinged at the top of the base, the free end of the elastic telescopic rod is hinged to the support rod, the elastic telescopic rod will support the support rod to prevent the lamp board from directly detaching from the base after the support rod breaks, and to prevent the high-temperature lamp board from burning through the lampshade and detaching from the inside of the lampshade to cause danger.

[0007] According to the above technical solution, a spiral spring is arranged between the lamp board and the hollow plate, and a No. 1 torsion spring is arranged between the elastic telescopic rod and the base, and the spiral spring can drive the lamp board to reset.

[0008] According to the above technical scheme, the protective device includes a circular frame, a connecting plate, an arc frame, a movable plate, an arc rod and a counterweight block. When the movable plate moves, it will squeeze the air inside the arc frame and slowly discharge it from the through hole. The circular frame is fixedly installed on the surface of the hollow plate, the connecting plate is fixedly installed on the surface of the lamp board, the arc frame is fixedly installed inside the circular frame, the movable plate is slidably installed inside the arc frame, one end of the arc rod is fixed to the movable plate, and the other end of the arc rod is fixed to the connecting plate. A through hole is opened on the surface of the arc frame, and the counterweight block is fixedly installed on the bottom of the lamp board. The arc frame will reduce the rotation speed of the connecting plate and the lamp board to prevent the lamp board from rotating too fast and causing damage after being impacted.

[0009] According to the above technical solution, the light board rotates and passes through the circular frame, a mounting plate is fixedly installed on the surface of the hollow plate, a reflective plate is rotatably installed on the surface of the mounting plate, and an elastic limiting plate is fixedly installed on the surface of the reflective plate. The reflective plate will enhance the illumination effect of the light board through the elastic limiting plate, thereby avoiding the light board from rotating randomly and improving the stability of the light board when in use.

[0010] According to the above technical solution, the elastic limiting plate is in contact with the light board, and a No. 2 torsion spring is arranged between the reflector and the mounting plate, and the reflector is reset by the elastic force of the No. 2 torsion spring.

[0011] According to the above technical scheme, it also includes and adjusting device; the adjusting device includes a triangular block, a piston rod, a pushing plate, a cylinder, a sealing plate and a bolt, the triangular block is fixedly installed on the surface of the reflective plate, the piston rod slides through the inner and outer walls of the hollow plate, the pushing plate is fixedly installed on the surface of the piston rod, the cylinder is fixedly installed on the bottom of the base, the sealing plate is slidably installed inside the cylinder, the bolt thread penetrates the cylinder, the bolt is rotatably connected to the sealing plate, a pipe is provided between the cylinder and the hollow plate, the pushing plate will contact the triangular block when it moves, so that the pushing plate will push the triangular block and the reflective plate to rotate when it moves, so as to avoid the lighting effect of the light board close to the wall being reduced when the light board is attached to the wall for lighting, and the use effect of the wall light board can be improved under the reflective effect of the reflective plate.

[0012] According to the above technical solution, a No. 1 spring is arranged between the piston rod and the hollow plate, and a push switch is fixedly installed inside the cylinder. The push switch is electrically connected to the light board. When the bolt is further rotated downward, the sealing plate will press the push switch, so that the push switch will turn off the corresponding light board. The push switch will turn off the redundant light boards, so that the light boards close to the edge of the wall can be turned off, thereby reducing the waste of electricity.

[0013] According to the above technical solution, a heat pipe is fixedly installed inside the heat-conducting rod, and an arc tube is fixedly installed at the bottom of the base. The heat pipe is connected to the inside of the arc tube. The heat pipe and the arc tube can improve the heat dissipation effect around the lamp board and increase the service life of the lamp board.

[0014] The present invention provides a break-resistant LED bulb stem, which has the following beneficial effects:

[0015] (1) The invention can rotate the lamp panel through the base, support rod, heat-conducting rod and hollow plate. When the support rod breaks from the base due to impact, the elastic plate and the elastic telescopic rod can support the support rod, thereby preventing the lamp panel from directly detaching from the base after the support rod breaks, and preventing the high-temperature lamp panel from burning through the lampshade and detaching from the inside of the lampshade to cause danger.

[0016] (2) In the present invention, when the lamp board is impacted, the lamp board rotates on the hollow plate so that the impact force on the lamp board can be converted, thereby reducing damage to the lamp board. At the same time, when the horizontal plate rotates, the moving plate and the arc frame will reduce the rotation speed of the connecting plate and the lamp board, preventing the lamp board from rotating too fast after being impacted and causing damage. At the same time, the elastic limiting plate on the partition plate will improve the stability of the lamp board when in use.

[0017] (3) In the present invention, the sealing plate is driven to move by rotating the bolts. The reduction of gas inside the cylinder will cause the air inside the hollow frame to be sucked in through the pipe, so that the piston rod will move toward the inside of the hollow frame under the action of negative pressure, and the push plate on the piston rod will push the triangular block and the partition plate to rotate, thereby preventing the lighting effect of the light board close to the wall from being reduced when the light board is attached to the wall for lighting. The reflective effect of the reflector can improve the use effect of the wall light board.

[0018] (4) In the present invention, when the bolt is further rotated, the sealing plate will press the control switch, so that the pressing switch will turn off the redundant lamp panels, thereby turning off the lamp panels close to the edge of the wall, thereby reducing the waste of electricity. At the same time, the heat pipe and the arc pipe can improve the heat dissipation effect around the lamp panel, thereby increasing the service life of the lamp panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 For the present invention Figure 1 A schematic diagram of the structure enlargement of part A;

[0021] Figure 3 This is a schematic diagram of the internal structure of the circular frame of the present invention;

[0022] Figure 4 This is a schematic diagram of the internal structure of the arc frame of the present invention;

[0023] Figure 5 For the present invention Figure 1 A schematic diagram of the structure of part B in the middle is enlarged;

[0024] Figure 6 It is a schematic diagram of the base and air pipe position structure of the present invention.

[0025] Figure 7 For the present invention Figure 6 The enlarged schematic diagram of the structure of part C in the middle;

[0026] Figure 8 It is a schematic diagram of the cross-sectional structure of the cylinder of the present invention.

[0027] In the figure: 1. base; 2. support rod; 31. heat-conducting rod; 32. hollow plate; 33. lamp board; 34. elastic telescopic rod; 35. elastic plate; 41. circular frame; 42. connecting plate; 43. arc frame; 44. moving plate; 45. arc rod; 46. counterweight; 51. mounting plate; 52. reflective plate; 53. elastic limiting plate; 54. heat-conducting pipe; 55. arc pipe; 61. triangular block; 62. piston rod; 63. push plate; 64. cylinder; 65. sealing plate; 66. bolt; 67. push switch. DETAILED DESCRIPTION

[0028] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0029] See also Figure 1-6 An embodiment of the present invention is: a break-resistant LED bulb core column, including a base 1, and also including a supporting device and a protective device; wherein a supporting rod 2 is fixedly installed on the top of the base 1, a heat-conducting rod 31 is fixedly installed on the top of the supporting rod 2, a hollow plate 32 is fixedly installed on the surface of the heat-conducting rod 31, a lamp board 33 is rotatably installed on the surface of the hollow plate 32, and a lamp strip is arranged on the surface of the lamp board 33; wherein the supporting device includes an elastic plate 35 and an elastic telescopic rod 34, the top of the elastic plate 35 is fixedly connected to the surface of the supporting rod 2, the bottom of the elastic plate 35 is fixedly connected to the surface of the base 1, the elastic telescopic rod 34 is hinged at the top of the base 1, and the free end of the elastic telescopic rod 34 is hinged to the supporting rod 2, the elastic plate 35 will limit the supporting rod 2 on the base 1, and the elastic telescopic rod 34 will support the supporting rod 2 to prevent the lamp board 33 from directly detaching from the base 1 after the supporting rod 2 breaks, and to prevent the high-temperature lamp board 33 from burning through the lampshade and detaching from the inside of the lampshade to cause danger.

[0030] A spiral spring is arranged between the lamp board 33 and the hollow plate 32, and a first torsion spring is arranged between the elastic telescopic rod 34 and the base 1, and the spiral spring can drive the lamp board 33 to reset.

[0031] The protective device includes a circular frame 41, a connecting plate 42, an arc frame 43, a movable plate 44, an arc rod 45 and a counterweight 46. When the lamp board 33 rotates, the connecting plate 42 will be driven to rotate. The rotation of the connecting plate 42 will push the arc rod 45 and the movable plate 44 to move. When the movable plate 44 moves, the air inside the arc frame 43 will be squeezed and slowly discharged from the through hole. The circular frame 41 is fixedly mounted on the surface of the hollow plate 32, the connecting plate 42 is fixedly mounted on the surface of the lamp board 33, the arc frame 43 is fixedly mounted inside the circular frame 41, and the movable plate 44 is slidably mounted inside the arc frame 43. One end of the arc rod 45 is fixed to the movable plate 44, and the other end of the arc rod 45 is fixed to the connecting plate 42. A through hole is provided on the surface of the arc frame 43. The counterweight 46 is fixedly mounted on the bottom of the lamp board 33. The arc frame 43 will reduce the rotation speed of the connecting plate 42 and the lamp board 33 to prevent the lamp board 33 from rotating too fast and causing damage after being impacted.

[0032] The lamp board 33 rotates and passes through the circular frame 41, and a mounting plate 51 is fixedly installed on the surface of the hollow plate 32. A reflector 52 is rotatably installed on the surface of the mounting plate 51, and an elastic limiting plate 53 is fixedly installed on the surface of the reflector 52. The reflector 52 will pass through the illumination effect of the lamp board 33, and the elastic limiting plate 53 will enhance the limiting effect on the lamp board 33, thereby preventing the lamp board 33 from rotating at will and improving the stability of the lamp board 33 when in use.

[0033] The elastic limiting plate 53 is in contact with the light board 33 , and a No. 2 torsion spring is arranged between the reflector 52 and the mounting plate 51 , and the reflector 52 is reset by the elastic force of the No. 2 torsion spring.

[0034] When the embodiment is working, after the bulb core column falls and is impacted, causing the support rod 2 to break from the base 1, the elastic plate 35 will restrict the support rod 2 on the base 1, and the elastic telescopic rod 34 will support the support rod 2 to prevent the support rod 2 from causing the heat conducting rod 31, the hollow plate 32 and the lamp board 33 to deviate;

[0035] When the lamp board 33 is impacted, the weight on both sides of the lamp board 33 will be different due to the action of the counterweight 46, so that the lamp board 33 will rotate after being impacted, and the rotation of the lamp board 33 will drive the connecting plate 42 to rotate, and the rotation of the connecting plate 42 will push the arc rod 45 and the movable plate 44 to move, and the movable plate 44 will squeeze the air inside the arc frame 43 and slowly discharge it from the through hole when it moves. Since the gas inside the arc frame 43 can only be discharged slowly, the moving speed of the movable plate 44, the arc rod 45 and the connecting plate 42 can be reduced, so that the connecting plate 42 will reduce the rotation speed of the lamp board 33.

[0036] See also Figure 1-8On the basis of the above embodiment, another embodiment of the present invention further includes an adjusting device; the adjusting device includes a triangular block 61, a piston rod 62, a push plate 63, a cylinder 64, a sealing plate 65 and a bolt 66, the triangular block 61 is fixedly mounted on the surface of the reflector 52, the piston rod 62 slides through the inner and outer walls of the hollow plate 32, the push plate 63 is fixedly mounted on the surface of the piston rod 62, the cylinder 64 is fixedly mounted on the bottom of the base 1, the sealing plate 65 is slidably mounted inside the cylinder 64, the bolt 66 threadedly penetrates the cylinder 64, the bolt 66 is rotatably connected to the sealing plate 65, and the cylinder 64 is connected to the hollow plate 32. A pipeline is arranged in between, and the sealing plate 65 moves downward, and the cylinder 64 will suck the air inside the hollow plate 32 through the pipeline. The air pressure inside the hollow plate 32 is reduced, so that the piston rod 62 will move toward the inside of the hollow plate 32, and the piston rod 62 will drive the push plate 63 to move when it moves. When the push plate 63 moves, it will contact the triangular block 61, so that when the push plate 63 moves, it will push the triangular block 61 and the reflector 52 to rotate, so as to avoid the lighting effect of the lamp board 33 close to the wall being reduced when the lamp board 33 is attached to the wall for lighting, and the use effect of the wall lamp board 33 can be improved under the reflection effect of the reflector 52.

[0037] A spring No. 1 is arranged between the piston rod 62 and the hollow plate 32, and a push switch 67 is fixedly installed inside the cylinder 64. The push switch 67 is electrically connected to the lamp panel 33. When the bolt 66 is further rotated downward, the sealing plate 65 presses the push switch 67, so that the push switch 67 turns off the corresponding lamp panel 33, and the push switch 67 turns off the redundant lamp panels 33, so that the lamp panels 33 close to the edge of the wall can be turned off, thereby reducing the waste of electricity.

[0038] A heat pipe 54 is fixedly installed inside the heat-conducting rod 31, and an arc tube 55 is fixedly installed at the bottom of the base 1. The heat pipe 54 is connected to the inside of the arc tube 55. The heat pipe 54 and the arc tube 55 can improve the heat dissipation effect around the lamp board 33 and increase the service life of the lamp board 33.

[0039] When the present embodiment is working, when one side of the bulb core column is attached to the wall, the bolt 66 can be rotated first, and the bolt 66 is rotated on the cylinder 64 so that the bolt 66 will drive the sealing plate 65 to move downward. When the sealing plate 65 moves downward, the cylinder 64 will suck the air inside the hollow plate 32 through the pipeline. The air pressure inside the hollow plate 32 is reduced, and the piston rod 62 will move toward the inside of the hollow plate 32. When the piston rod 62 moves, it will drive the push plate 63 to move. When the push plate 63 moves, it will contact the triangular block 61, so that when the push plate 63 moves, it will push the triangular block 61 and the reflector 52 to rotate. The rotation of the reflector 52 can change the irradiation direction. When the bolt 66 is further rotated to move downward, the sealing plate 65 will press the push switch 67, so that the push switch 67 will turn off the corresponding lamp panel 33.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A break-resistant LED bulb stem, comprising a base (1), characterized in that: It also includes a supporting device, a protecting device and an adjusting device; Wherein, a support rod (2) is fixedly mounted on the top of the base (1), a heat-conducting rod (31) is fixedly mounted on the top of the support rod (2), a hollow plate (32) is fixedly mounted on the surface of the heat-conducting rod (31), and a light board (33) is rotatably mounted on the surface of the hollow plate (32); The support device comprises an elastic plate (35) and an elastic telescopic rod (34); the top of the elastic plate (35) is fixedly connected to the surface of the support rod (2); the bottom of the elastic plate (35) is fixedly connected to the surface of the base (1); the elastic telescopic rod (34) is hinged to the top of the base (1); and the free end of the elastic telescopic rod (34) is hinged to the support rod (2); The protective device comprises a circular frame (41), a connecting plate (42), an arc frame (43), a movable plate (44), an arc rod (45) and a counterweight (46); the circular frame (41) is fixedly mounted on the surface of the hollow plate (32); the connecting plate (42) is fixedly mounted on the surface of the lamp plate (33); the arc frame (43) is fixedly mounted inside the circular frame (41); the movable plate (44) is slidably mounted inside the arc frame (43); one end of the arc rod (45) is fixed to the movable plate (44); the other end of the arc rod (45) is fixed to the connecting plate (42); a through hole is provided on the surface of the arc frame (43); and the counterweight (46) is fixedly mounted on the bottom of the lamp plate (33); The adjusting device comprises a triangular block (61), a piston rod (62), a push plate (63), a cylinder (64), a sealing plate (65) and a bolt (66); the triangular block (61) is fixedly mounted on the surface of the reflective plate (52); the piston rod (62) slides through the inner and outer walls of the hollow plate (32); the push plate (63) is fixedly mounted on the surface of the piston rod (62); the cylinder (64) is fixedly mounted on the bottom of the base (1); the sealing plate (65) is slidably mounted inside the cylinder (64); the bolt (66) threadably penetrates the cylinder (64); the bolt (66) is rotatably connected to the sealing plate (65); and a pipeline is provided between the cylinder (64) and the hollow plate (32).

2. The break-resistant LED bulb stem according to claim 1, characterized in that: A spiral spring is provided between the lamp plate (33) and the hollow plate (32), and a first torsion spring is provided between the elastic telescopic rod (34) and the base (1).

3. The break-resistant LED bulb stem according to claim 1, characterized in that: The light panel (33) is rotatably mounted to penetrate the circular frame (41); a mounting plate (51) is fixedly mounted on the surface of the hollow plate (32); a reflector (52) is rotatably mounted on the surface of the mounting plate (51); and an elastic limiting plate (53) is fixedly mounted on the surface of the reflector (52).

4. The break-resistant LED bulb stem according to claim 3, characterized in that: The elastic limiting plate (53) is in contact with the lamp plate (33), and a second torsion spring is provided between the reflective plate (52) and the mounting plate (51).

5. The break-resistant LED bulb stem according to claim 1, characterized in that: A No. 1 spring is provided between the piston rod (62) and the hollow plate (32), and a push switch (67) is fixedly installed inside the cylinder (64), and the push switch (67) is electrically connected to the light board (33).

6. The break-resistant LED bulb stem according to claim 1, characterized in that: A heat conduction pipe (54) is fixedly installed inside the heat conduction rod (31), and an arc-shaped pipe (55) is fixedly installed at the bottom of the base (1), and the heat conduction pipe (54) is connected to the inside of the arc-shaped pipe (55).

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