CN107191897B - Screw-on lamp holder, lamp matched with screw-on lamp holder and power adapter - Google Patents

Abstract

The invention discloses a screwing lamp cap, a lamp matched with the screwing lamp cap and a power adapter, which comprises a shell, wherein a static contact piece is arranged in the shell, a mains supply connecting end is arranged at the back of the shell, the mains supply connecting end is correspondingly and electrically connected with the static contact piece, and a rectangular hole is formed in the front of the shell; the shape of the shell is matched with that of the 86 bottom box, and the shell can be fixed in the 86 bottom box through screws. The lamp cap is more firmly connected with the lamp, has stronger bearing capacity, and can meet the requirement of rapid installation and fixation of larger lamps; in the whole process from the connection to the disassembly and the removal of the lamp, all the conductive parts are completely in the hidden space and cannot be contacted by hands, so that the lamp is safer to use; the screwing lamp cap is hidden in the 86 bottom box, so that the indoor lamp is more compact and attractive in decoration, and the indoor space occupation is reduced; the lamp is more convenient to use, changes the connection and fixation mode of the traditional lamp and the lamp cap, and provides a new idea for the design of the lighting lamp.

Description

A screw-in lamp holder, a lamp and a power adapter matched therewith

technical field

The patent of the present invention relates to the field of electronic technology, in particular to a screw-in lamp cap, a lamp and a power adapter matched therewith.

Background technique

The lamp holder is a transfer and fixing device for electric energy docking between the lamp and the transmission line. Common lamp holders include screw sockets and hanging sockets (also known as sockets). The hanging lamp cap is provided with a card slot on the lamp cap, and the electrical connection relationship with the lamp is formed by snapping the card slot with the claws on the upper end of the lamp. There are relatively few hanging lamp holders in the current application of lamps. The reason is: in the process of buckling, if the switch is not turned off in advance, the sudden electrical contact between the lamp and the lamp holder is prone to sparks, and the operation safety factor is low. It is easy to burn out the lamps.

The screw lamp cap is set with a metal screw sleeve in the lamp cap and a metal protrusion at the bottom. The metal screw sleeve and the metal protrusion are electrically connected to the power line respectively. The screw head and the metal protrusion are screwed together to form the electrical connection between the lamp and the lamp holder. Because the screw lamp cap is safer to use than the hanging lamp cap, it is widely used in the current lighting industry. However, the screw lamp holder still has its own defects, mainly in that: one, in the process of screwing the lamp on the lamp holder, it often needs to rotate many circles, and the installation of the lamp is slow; two, with the improvement of the living standard now, people More and more attention is paid to interior decoration. Larger lamps such as dome lamps and flying saucer lamps are increasingly used in hotels, clubs, offices and even homes. The firmness of the traditional screw lamp base connection is gradually unable to meet the needs of use.

In view of the above reasons, it is necessary to study a method that can quickly install a lamp and have sufficient connection strength between the lamp and the lamp holder.

Contents of the invention

In order to solve the above problems, the present invention provides a screw-in lamp holder, a lamp and a power adapter matched therewith.

The present invention realizes above-mentioned object through following technical scheme:

A screw-in lamp holder, including a housing, a static contact piece is arranged inside the housing, a mains connection terminal is provided on the back of the housing, the mains connection terminal is electrically connected to the static contact piece, and a rectangular hole is opened in the front of the housing ;

The shape of the housing is compatible with 86 bottom boxes, and the housing can be fixed in 86 bottom boxes by screws (making the front of the housing substantially flush with the wall, thereby ensuring the attractiveness of the interior decoration).

Further, the static contact piece includes a live line static contact piece and a neutral line static contact piece, the mains connection end includes a live line connection end and a neutral line connection end, and the mains power connection end is electrically connected to the static contact piece.

Further, the static contact piece is arc-shaped or strip-shaped.

Further, the static contact piece includes upper and lower parts, and an insertion gap for the moving contact piece of the electrical appliance is formed between the upper and lower parts.

A lamp matched with a screw-in lamp head. The power input end of the lamp includes a fixed shaft 1 and a moving contact piece 1. The moving contact piece 1 is vertically fixed on the side of the fixed shaft 1. The fixed shaft 1 is fixed above the lamp. One is electrically connected to the light-emitting element in the lamp through the fixed shaft-internal conductor; the fixed shaft-and the movable contact piece-can be inserted into the screw-in lamp holder through the rectangular hole opened in the front of the shell, and rotated around the fixed shaft to make the moving The contact pieces contact the static contact pieces one by one to form an electrical connection.

Further, the lamp is also provided with a rotating block 1, which is rotatably arranged on the lamp around a fixed axis, and a groove for accommodating the moving contact piece 1 is provided on the rotating block 1 .

Further, the top of the rotating block 1 is rotatably connected to the top of the fixed shaft 1, the middle part is provided with a vacancy for accommodating the fixed shaft 1, and its lower part is fixed on the turntable, and the turntable is arranged to rotate around the axis of the fixed shaft 1 On the lamp, there is a notch on the circumference of the turntable;

There is a button on the lamp, the lower end of the button is connected to the guide rod, the lower end of the guide rod is hinged to one end of the warping rod, the middle part of the warping rod is hinged to the lamp, a torsion spring is set at the hinge of the warping rod and the lamp, and the other end of the warping rod is bent It is hook-shaped; under the action of the elastic torsion force of the torsion spring, the hook-shaped end of the warping rod can be automatically inserted into the notch of the turntable to lock the turntable;

The position of the recess on the turntable is such that when the turntable is locked, the angle between the rotating block one and the moving contact piece one is 90°.

The power adapter matched with the screw-in lamp head includes a casing, a fixed shaft 2, a moving contact piece 2 and a rotating block 2; Axis 2 is located under the casing, and the moving contact piece 2 is vertically fixed on the side of the fixed shaft 2, and the moving contact piece 2 is electrically connected to the plug-in piece in the casing through the conductor inside the fixed shaft 2; the rotating block 2 is rotatably arranged On the fixed shaft 2, the rotating block 2 is provided with a groove for accommodating the movable contact piece 2.

Beneficial effects of the present invention:

1. The connection between the lamp holder and the lamp is stronger and the load-bearing capacity is stronger, which can meet the fast installation and fixation of larger lamps; from the connection of the lamp to the disassembly and removal of the whole process, all conductive parts are completely in the hidden space, without It will be touched by human hands, and it is safer to use; the conductive contact is good, so that the power supply of the lamp is more stable;

2. It is more convenient to use, and the connection of lamps is faster. It only needs to be inserted and rotated for 1/4 turn to form a stable and reliable connection, changing the connection and fixing method of traditional lamps and lamp holders, and providing new ideas for the design of lighting lamps;

3. The screw-in lamp head is concealed in the 86 bottom box, flush with the ceiling or wall, effectively avoiding the gap between the lamp and the ceiling or wall after the lamp is connected, making the indoor lamp decoration more compact and beautiful, and reducing the indoor space occupation;

4. The power adapter matched with the screw-in lamp head can use the circuit wire of the lamp head to provide electric energy for various household appliances, which is simple, versatile and ingenious.

Description of drawings

Figure 1 is a schematic diagram of the three-dimensional appearance structure of the screw-in lamp holder;

Fig. 2 is a schematic diagram of the plane layout of the static contacts in the housing;

Figure 3 is a schematic diagram of the cross-sectional structure of the static contact piece;

Fig. 4 is a side view structural layout diagram of the static contact piece in the housing;

Fig. 5 is a schematic diagram of the application of the present invention to the state where the rotating block of the downlight is rotated to be perpendicular to the moving contact piece;

Figure 6 is a schematic diagram of the application of the present invention to the rotation of the rotating block of the flying saucer lamp until it is at the same angle as the moving contact piece;

Fig. 7 is a side view of the connection structure between the movable contact piece 1 and the fixed shaft 1;

Fig. 8 is a plane structural view of the contact state between the moving contact piece 1 and the static contact piece;

Fig. 9 is a schematic diagram of the principle of the locking mechanism;

Fig. 10 is a three-dimensional structure diagram of the power adapter;

Description of main component symbols:

1. Housing 11. Rectangular hole

2. Static contact piece 3. Mains connection terminal

4. Lamp 41. Fixed axis 1

42. Moving contact one 43. Rotating block one

44. Turntable 441. Notch

45. Button 46. Guide rod

47. Warped bar 48. Torsion spring

5. Power adapter 51. Shell

52. Fixed shaft two 53. Moving contact piece two

54, rotating block two.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

Embodiment: A screw-in lamp holder and a lamp and a power adapter matched with it, as shown in Fig. There is a mains connection end 3 , which is electrically connected to the static contact piece 2 , and a rectangular hole 11 is provided in the front of the housing 1 . The shape of the shell 1 is compatible with the 86 bottom box, and the shell 1 can be fixed in the 86 bottom box by screws, so that the front of the shell is basically flush with the wall, thereby ensuring the attractiveness of the interior decoration.

The static contact piece 2 includes a live line static contact piece and a neutral line static contact piece. The mains connection end 3 includes a live line connection end and a neutral line connection end. The mains power connection end is electrically connected to the static contact piece 2 . The static contact piece 2 is arc-shaped or strip-shaped (as shown in FIG. 2 ), and includes upper and lower parts, and a moving contact piece insertion gap of an electrical appliance is formed between the upper and lower parts (as shown in FIG. 3 ). The mains connection terminal 3 is a screw-fixed line post slot, and a stopper is provided at the end of the line post slot, which can effectively avoid the contact between the neutral line and the live line caused by the inserted bare wire protruding from the line post slot too long. Hidden danger.

As shown in Figures 5 to 9, for a lamp (which can be a downlight, a flying saucer lamp, etc.) that is matched with a screw-in lamp cap, the power input end of the lamp 4 includes a fixed shaft-41 and a movable contact piece-42, and the movable contact piece-42 Vertically fixed on the side of the fixed shaft one 41, the fixed shaft one 41 is fixed on the top of the lamp 4, and the movable contact piece one 42 is electrically connected with the light-emitting element in the lamp 4 through the conductor inside the fixed shaft one 41. The fixed shaft one 41 and the movable contact piece 142 can be inserted into the screwed lamp cap through the rectangular hole 11 opened in the front of the housing 1, and the rotation around the fixed shaft one 41 can make the movable contact piece 142 contact the static contact piece 2 correspondingly, form an electrical connection.

The lamp 4 is also provided with a rotating block 43, which can be rotatably arranged on the lamp 4 around the fixed shaft 41, and the rotating block 43 is provided with a groove (non-through hole) for accommodating the moving contact piece 42 . The top of the rotating block one 43 is rotatably connected with the top of the fixed shaft one 41, the middle part of the rotating block one 43 offers a vacancy for accommodating the fixed shaft one 41, and its lower part is fixed on the rotating disk 44, and the rotating disk 44 can rotate around the axis of the fixed shaft one 41 The center is rotatably set on the lamp 4 , and the circumference of the turntable 44 is provided with a notch 441 , as shown in FIG. 9 . The lamp 4 is provided with a button 45, the lower end of the button 45 is connected to the guide rod 46, the lower end of the guide rod 46 is hinged to one end of the warping rod 47, the middle part of the warping rod 47 is hinged on the lamp 4, and the hinge between the warping rod 47 and the lamp 4 is provided A torsion spring 48 is arranged, and the other end of the warping bar 47 is bent into a hook shape. Under the action of the elastic torsion force of the torsion spring 48 , the hook-shaped end of the warping rod 47 can be automatically inserted into the notch 441 of the turntable 44 to lock the turntable 44 . The position of the notch 441 on the turntable 44 is such that when the turntable 44 is locked, the included angle between the rotating block one 43 and the moving contact piece one 42 is 90°.

The present invention uses process and working principle:

When the lamp 4 is not in use, rotate the rotating block 143 to the same angular position as the moving contact piece 142, so that the moving contact piece 142 is hidden in the groove on the rotating block 43, so as to prevent the moving contact piece 142 from being damaged. Collision, damage. The installation and use of the lamp 4 is very fast. The rotating block one 43 is inserted into the rectangular hole 11 of the lamp housing, and the lamp is rotated 90° according to the set direction. The rotation block 1 43 (and the turntable 44 fixed thereto) is clamped by the rectangular hole 11, and its orientation remains unchanged. The moving contact piece 142 (and the fixed shaft 41 fixed thereto) then rotates 90° with the lamp 4, so that the moving contact piece 142 and the rotating piece 43 are in a vertical state and contact the static contact piece 2 (inserted into the static contact piece 2 In the gap formed by the upper and lower parts of the upper and lower parts), the electrical connection between the movable contact piece 42 and the static contact piece 2 is formed. Now, under the action of the elastic torsion force of the torsion spring 48, the hooked end of the warping bar 47 is automatically inserted into the recess 441 of the rotating disk 44 to lock the rotating disk 44 and the rotating block one 43 so that they can no longer rotate freely. Therefore, a stable cross connection is formed through the contact engagement between the first movable contact piece 42 and the static contact piece 2 and the first rotating piece 43 and the rectangular hole 11 . It only needs to be inserted and rotated by 1/4 turn to form a good electrical and physical connection. Compared with the traditional screw and hanger lamp holders, the installation and use are much more convenient, and the connection is more stable and reliable.

When dismounting or replacing, press the button 45 to make the hook-shaped end of the warping rod 47 tilt up, thereby breaking away from the notch 441 of the rotating disk 44 . Then, reversely rotate the lamp by 92°, so that the movable contact piece 142 and the rotating block 143 rotate to the same angle (the same angular position as the rectangular hole 11 of the housing 1), and then you can take it out from the lamp holder (in the rectangular hole 11). Lower the light fixture.

The invention is suitable for lamps such as down lights and flying saucer lights, especially for flying saucer lights. Since the screw-in lamp head is installed in the 86 bottom box, after the UFO lamp is connected and fixed on the screw-in lamp head according to the above scheme, the UFO lamp can be closely attached to the ceiling or wall, avoiding the gap between the UFO lamp and the ceiling or wall, and making the indoor lighting decoration More compact and beautiful, reducing indoor space occupation.

A power adapter 5 matching the lamp cap can also be designed by using the above connection principle between the lamp and the screw cap, as shown in FIG. 10 . The power adapter 5 matched with the screw-in lamp head includes a casing 51 , a fixed shaft 2 52 , a movable contact piece 2 53 and a rotating block 2 54 . The shell 51 is provided with a power jack, and the shell 51 is provided with a plug piece opposite to the power jack, the fixed shaft 52 is arranged below the shell 51, and the movable contact piece 53 is vertically fixed on the side of the fixed shaft 52. The second movable contact piece 53 is electrically connected to the plug piece in the casing 51 through the conductor inside the second fixed shaft 52 . The rotating block 2 54 is rotatably disposed on the fixed shaft 2 52 , and the rotating block 2 54 is provided with a groove for accommodating the moving contact piece 2 53 . Among them, the power jack can be a three-hole or two-hole jack that matches with a common electrical plug, or a USB jack that has been transformed or rectified, so as to meet the power supply for household and office common appliances, or for low-voltage power supply. Power electronics, smart devices power or charge.

The part not described in detail in the present invention belongs to the known technology in the field. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (7)

1. A screw-on lamp cap, characterized in that:

the rotary lamp cap comprises a shell, a static contact piece is arranged in the shell, a mains supply connecting end is arranged at the back of the shell and is correspondingly and electrically connected with the static contact piece, and a rectangular hole is formed in the front of the shell; the commercial power connection end is a screw fixed type wire column slot;

the shape of the shell is adapted to that of the 86 bottom box, and the shell can be fixed in the 86 bottom box through screws;

the screwing lamp cap can be matched with the lamp; the electric energy input end of the lamp comprises a fixed shaft I and a movable contact piece I, wherein the movable contact piece I is vertically fixed on the side surface of the fixed shaft I, the fixed shaft I is fixed above the lamp, and the movable contact piece I is electrically connected with a light-emitting element in the lamp through a conductor in the fixed shaft I; the fixed shaft I and the movable contact piece I can be inserted into the screwing lamp holder through a rectangular hole formed in the front of the shell, and the movable contact piece I can correspondingly contact the static contact piece by rotating around the fixed shaft I to form electric connection.

2. The screw cap of claim 1, wherein: the static contact comprises a live wire static contact and a zero line static contact, and the commercial power connection end comprises a live wire connection end and a zero line connection end, and the commercial power connection end is correspondingly and electrically connected with the static contact.

3. The screw cap of claim 1, wherein: the static contact is arc-shaped or bar-shaped.

4. The screw cap of claim 1, wherein: the static contact comprises an upper part and a lower part, and a movable contact insertion gap of the electric appliance is formed between the upper part and the lower part.

5. The screw cap of claim 1, wherein: the lamp is also provided with a first rotating block which can be arranged on the lamp in a rotating way around the first fixed shaft, and the first rotating block is provided with a groove for accommodating the first movable contact.

6. The screw cap of claim 5, wherein: the upper part of the first rotating block is rotatably connected with the top end of the first fixed shaft, the middle part of the first rotating block is provided with a gap for accommodating the first fixed shaft, the lower part of the first rotating block is fixed on a rotary table, the rotary table is rotatably arranged on the lamp around the axis of the first fixed shaft, and the circumference of the rotary table is provided with a notch;

the lamp is provided with a button, the lower end of the button is connected with a guide rod, the lower end of the guide rod is hinged with one end of a tilting rod, the middle part of the tilting rod is hinged on the lamp, a torsion spring is arranged at the hinge part of the tilting rod and the lamp, and the other end of the tilting rod is bent to be in a hook shape; under the action of elastic torsion force of the torsion spring, one hooked end of the warping rod can be automatically inserted into the concave gap of the turntable to lock the turntable;

the notch is arranged on the rotary table, so that when the rotary table is locked, the included angle between the rotary block I and the movable contact piece I is 90 degrees.

7. A power adapter for mating with a screw-on base as claimed in claim 1, wherein: comprises a shell, a second fixed shaft, a second movable contact piece and a second rotating block; the shell is provided with a power jack, a plug-in piece opposite to the power jack is arranged in the shell, the second fixed shaft is arranged below the shell, the second movable contact piece is vertically fixed on the side surface of the second fixed shaft, and the second movable contact piece is electrically connected with the plug-in piece in the shell through a conductor in the second fixed shaft; the second rotating block is rotatably arranged on the second fixed shaft, and a groove for accommodating the second movable contact piece is formed in the second rotating block.

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