A safe LED lamp to prevent electric shock

Abstract

The present invention discloses a safe LED lamp for preventing electric shock, comprising: a lamp holder and an LED lamp body installed in the lamp holder, characterized in that the lamp holder comprises: a lamp cup, wherein a lamp body groove, a connecting groove and a power-on groove are mutually connected and sequentially narrowed from top to bottom, wherein protruding key switches are arranged on both sides of the power-on groove, and the key switches extend to the lower end surface of the connecting groove, wherein a lower guide piece is arranged at the lower end of the key switch on one side, and the lower guide piece extends to the middle part of the lower end surface of the power-on groove, and a side guide piece is arranged at the lower end of the key switch on the other side, and the side guide piece extends to the side end wall position of the power-on groove. When the key switch is pressed down, the corresponding lower guide piece and side guide piece are energized, thereby inheriting the screw-type installation structure of the traditional light bulb, and when the LED lamp body leaves the lamp holder, the lamp holder automatically cuts off the power, thereby effectively preventing the electric shock from the conductive part of the lamp holder when the power is forgotten to be cut off, thereby avoiding the occurrence of dangerous electric shock accidents.

Description

Technical Field

[0001] The invention relates to the field of LED lamps, and in particular to a safe LED lamp that prevents electric shock. Background Art

[0002] LED bulbs are solid-state semiconductor devices that can convert electrical energy into visible light. They can directly convert electricity into light. LED bulbs imitate the appearance of incandescent bulbs to meet people's usage habits. They use the existing interface method, that is, the screw-in contact structure. Although this structure inherits the convenient installation of traditional bulbs, it is easy for the human body to come into contact with the contacts of the lamp holder when the power is forgotten to be turned off during installation or removal of the bulb, resulting in electric shock and danger. Summary of the invention

[0003] In order to overcome the above-mentioned shortcomings, the present invention aims to provide a technical solution that can solve the above-mentioned problems.

[0004] A safe and electric shock-proof LED lamp comprises: a lamp holder and an LED lamp body installed in the lamp holder, the lamp holder comprising: a lamp cup, a lamp body slot, a connecting slot, and a power-on slot which are mutually interpenetrating and sequentially narrowed from top to bottom are arranged in the lamp cup, protruding key switches are arranged on both sides of the power-on slot, the key switches extend to the lower end surface of the connecting slot, a lower guide piece is arranged at the lower end of the key switch on one side, the lower guide piece extends to the middle part of the lower end surface of the power-on slot, a side guide piece is arranged at the lower end of the key switch on the other side, the side guide piece extends to the side end wall position of the power-on slot, and when the key switch is pressed down, the corresponding lower guide piece and side guide piece are energized;

[0005] The lower end of the lamp cup is connected to a power line, from which two power lines are branched, and the power lines are respectively connected to the key switches;

[0006] The LED lamp body is a three-section structure, the top is a light source section, the lower end of the light source section is a fixed section, the lower end of the fixed section is a power-on section, the light source section is an LED lamp body, the light source section is installed in the lamp body groove, the fixed section is installed in the connecting groove, and the power-on section is installed in the power-on groove; the power-on section is a conical structure, the side end face of the power-on section is provided with an annular metal outer contact ring, the outer contact ring is in contact with the side guide piece for electrical conduction, the lower end face of the power-on section is provided with a metal contact, the contact is in contact with the lower guide piece for electrical conduction, an isolation ring is provided between the contact and the outer contact ring to isolate them from each other, and the contact and the outer contact ring are respectively connected to the LED component in the light source section through a wire.

[0007] As a further solution of the present invention: the push switch includes: a pressure cap, a top block is arranged at the lower end of the pressure cap, a guide column is arranged between the pressure cap and the top block, the top of the guide column is fixedly installed with the pressure cap, a spring is nested on the guide column, one end of the spring supports the pressure cap, and the other end supports the top block, a through hole is arranged at the lower end of the guide column, the guide column can extend through the through hole and contact with the lower guide plate or the side guide plate, and a conductive plate is also nested on the guide column, and the conductive plate is connected to the wire.

[0008] As a further solution of the present invention: the fixing section of the LED lamp body is provided with a fixed external thread, the connecting groove of the lamp cup is provided with a fixed internal thread, the fixed external thread on the fixing section is threadably connected with the fixed internal thread on the connecting groove, thereby fixing the LED lamp body on the lamp holder.

[0009] Compared with the prior art, the beneficial effects of the present invention are: it inherits the screw-type installation structure of the traditional light bulb, and when the LED lamp body leaves the lamp holder, the lamp holder automatically cuts off the power, thereby effectively preventing electric shock from the conductive part of the lamp holder when the power is forgotten to be cut off, thereby avoiding the occurrence of dangerous electric shock accidents.

[0010] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned by practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0012] Figure 1 It is a schematic diagram of the structure of the present invention.

[0013] Figure 2 It is a structural schematic diagram of the lamp cup in the present invention.

[0014] Figure 3 It is a side sectional view of the lamp cup in the present invention.

[0015] Figure 4 It is a schematic diagram of the structure of the conductive sheet in the present invention.

[0016] Figure 5 It is a structural schematic diagram of the LED lamp body in the present invention.

[0017] In the figure: 1, lamp holder, 2, LED lamp body, 3, power cord, 10, fixed internal thread, 11, lamp cup, 12, lamp body groove, 13, side guide, 14, power-on groove, 15, connection groove, 16, lower guide, 17, pressure cap, 18, top block, 19, guide column, 21, light source section, 22, fixed section, 23, fixed external thread, 24, external contact ring, 25, isolation ring, 26, contact, 191, conductive sheet, 192, wire. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all 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.

[0019] See also Figures 1 to 5 In an embodiment of the present invention, a safe and electric shock-proof LED lamp comprises: a lamp holder 1 and an LED lamp body 2 installed in the lamp holder 1, wherein the lamp holder 1 comprises: a lamp cup 11, wherein a lamp body groove 12, a connecting groove 15, and a power-on groove 14 are mutually interpenetrating and sequentially narrowed from top to bottom, wherein protruding key switches are arranged on both sides of the power-on groove 14, wherein the key switches extend to the lower end surface of the connecting groove 15, wherein a lower guide piece 16 is arranged at the lower end of the key switch on one side, wherein the lower guide piece 16 extends to the middle part of the lower end surface of the power-on groove, wherein a side guide piece 13 is arranged at the lower end of the key switch on the other side, wherein the side guide piece 13 extends to the side end wall position of the power-on groove 14, and when the key switch is pressed down, the corresponding lower guide piece 16 and the side guide piece 13 are energized;

[0020] The lower end of the lamp cup 11 is connected to a power line 3, and two power lines 3 are branched from the power line 3, and the power lines 3 are respectively connected to the key switches; the LED lamp body 2 is a three-section structure, the top is a light source section 21, the lower end of the light source section 21 is a fixed section 22, the lower end of the fixed section 22 is a power-on section, the light source section 21 is the LED lamp body 2, the light source section 21 is installed in the lamp body groove 12, the fixed section 22 is installed in the connecting groove 15, and the power-on section is installed in the power-on groove 14;

[0021] The power-on section has a conical structure, and a ring-shaped metal outer contact ring 24 is provided on the side end face of the power-on section, and the outer contact ring 24 is in contact with the side guide piece 13 for electrical conduction. A metal contact 26 is provided on the lower end face of the power-on section, and the contact 26 is in contact with the lower guide piece 16 for electrical conduction. An isolation ring 25 is provided between the contact 26 and the outer contact ring 24 to isolate them from each other, so as to effectively prevent the contact 26 from contacting the outer contact ring 24. The contact 26 and the outer contact ring 24 are respectively connected to the LED components in the light source section 21 through the wire 192.

[0022] The push button switch includes: a pressing cap 17, a top block 18 is arranged at the lower end of the pressing cap 17, a guide column 19 is arranged between the pressing cap 17 and the top block 18, the top of the guide column 19 is fixedly installed with the pressing cap 17, a spring is nested on the guide column 19, one end of the spring supports the pressing cap 17, and the other end supports the top block 18, a through hole is arranged at the lower end of the guide column 19, the guide column 19 can extend through the through hole and contact with the lower guide piece 16 or the side guide piece 13, and a conductive sheet 191 is also nested and installed on the guide column 19, and the conductive sheet 191 is connected to the wire 192, so that the power supply is electrically introduced into the guide column 19.

[0023] The fixing section 22 of the LED lamp body 2 is provided with a fixing external thread 23, and the connecting groove 15 of the lamp cup 11 is provided with a fixing internal thread 10. The fixing external thread 23 on the fixing section 22 is threadably connected with the fixing internal thread 10 on the connecting groove 15, so as to fix the LED lamp body 2 on the lamp holder 1.

[0024] The working principle of the present invention is as follows: when the LED lamp body 2 is installed, the LED lamp body 2 is installed on the lamp cup 11 of the lamp holder 1 by twisting. During the twisting process, the lower end surface of the fixed section 22 of the LED lamp body 2 will contact the pressing cap 17, and the power-on end of the LED lamp body 2 is connected to the power-on groove 14. When the LED lamp body 2 is screwed into place, the fixed section 22 will completely press down the pressing cap 17, and the pressing cap 17 will press down the guide column 19, so that the guide column 19 passes through the top block 18, and the guide column 19 at one end contacts the lower guide piece 16, and the other end contacts the side guide piece 13, so that the lower guide piece 16 and the side guide piece 13 are respectively in contact with the contact 26 and the outer contact ring 24, so that the circuit is turned on, and the installation and power-on of the LED lamp body 2 are completed;

[0025] When the LED lamp body 2 is removed, the pressure of the fixing section 22 on the pressing cap 17 disappears, and the spring pushes it back, thereby driving the guide post 19 to push back, so that the guide post 19 presses the guide piece 16 and the side guide piece 13, thereby disconnecting the lamp holder 1 from the power supply.

[0026] 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, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, 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 that fall within the meaning and scope of the equivalent elements of the claims are included in the present invention.

Claims

1. A safe LED lamp to prevent electric shock, comprising: A lamp holder and an LED lamp body installed in the lamp holder, characterized in that the lamp holder comprises: a lamp cup, a lamp body groove, a connecting groove and a power-on groove which are mutually connected and narrowed from top to bottom in sequence are arranged in the lamp cup, protruding key switches are arranged on both sides of the power-on groove, the key switch extends to the lower end surface of the connecting groove, a lower guide piece is arranged at the lower end of the key switch on one side, the lower guide piece extends to the middle part of the lower end surface of the power-on groove, a side guide piece is arranged at the lower end of the key switch on the other side, the side guide piece extends to the side end wall position of the power-on groove, when the key switch is pressed down, the corresponding lower guide piece and side guide piece are powered on; a power line is connected to the lower end of the lamp cup, two power lines are branched from the power line, and the power lines are respectively connected to the key switches; the LED lamp body is a three-section structure, the top is a light source section, the lower end of the light source section is a fixed section, the lower end of the fixed section is a power-on section, the light source section is an LED lamp body, and the light source section is installed in the lamp body groove, The fixed section is installed in the connecting groove, and the power supply section is installed in the power supply groove; The power-on section is in a conical structure, and a ring-shaped metal outer contact ring is provided on the side end surface of the power-on section, and the outer contact ring contacts and conducts electricity with the side guide piece, and a metal contact point is provided on the lower end surface of the power-on section, and the contact point contacts and conducts electricity with the lower guide piece, and an isolation ring is provided between the contact point and the outer contact ring to isolate them from each other, and the contact point and the outer contact ring are respectively connected to the LED component in the light source section through a wire; The push button switch comprises: a pressing cap, a top block is arranged at the lower end of the pressing cap, a guide column is arranged between the pressing cap and the top block, the top of the guide column is fixedly installed with the pressing cap, a spring is nested on the guide column, one end of the spring supports the pressing cap, and the other end supports the top block, a through hole is arranged at the lower end of the guide column, the guide column can extend through the through hole and contact with the lower guide piece or the side guide piece, and a conductive sheet is also nested on the guide column, and the conductive sheet is connected with the wire; The fixing section of the LED lamp body is provided with a fixing external thread, the connecting groove of the lamp cup is provided with a fixing internal thread, the fixing external thread on the fixing section is threadably connected with the fixing internal thread on the connecting groove, thereby fixing the LED lamp body on the lamp holder.

2. A safe and electric shock-proof LED lamp according to claim 1, characterized in that: The side end shells of the light source section and the fixing section of the LED lamp body are both made of insulating plastic material.

Images