CN108224383A - A kind of electric connection structure of lamp - Google Patents

Abstract

The invention relates to an electrical connection structure of a lamp, which includes a housing, a driving power supply, a light source module, a driving sleeve, a ball and an elastic member; the driving sleeve is arranged in the housing, and a conductive plate is arranged at the bottom of the driving sleeve; the ball accommodates At the bottom of the housing, the lower part of the sphere is provided with a mounting part, the light source module is installed and connected to the mounting part, the upper part of the sphere is provided with a spring pin, and a channel is provided inside the sphere; The top of the needle is against the conductive plate; the positive pole of the driving power is electrically connected to the conductive plate, the lower end of the spring pin is electrically connected to the positive pole of the light source module through the wire passing through the channel, and the negative pole of the driving power is electrically connected to the elastic member. The elastic member is electrically connected to the sphere, and the sphere is electrically connected to the negative pole of the light source module. The advantage of the invention is that when the lamp rotates universally, it can be electrically connected continuously without twisting the electric wire and causing damage and leakage.

Description

A lamp electrical connection structure

technical field

The invention relates to an electric connection structure of a lamp.

Background technique

Lamps have become an indispensable lighting tool in modern life. People usually set a rotating structure between the lamp cap and the lamp holder to adjust the irradiation angle of the lamp. Electricity leakage is caused by the damage of the electric wire, and the existing structure is not reasonable enough.

Contents of the invention

The object of the present invention is to provide an electrical connection structure for a lamp, which can realize continuous electrical connection without twisting the wires and causing damage and leakage when the lamp is rotating universally.

To achieve the above object, the present invention adopts the following technical solutions:

An electrical connection structure for a lamp, including a housing, a driving power supply, a light source module, a driving sleeve, a sphere and an elastic member; the driving sleeve is arranged in the housing and can slide up and down along the axial direction of the housing, and the bottom of the driving sleeve is arranged There is a conductive plate that can conduct electricity and is insulated from the drive sleeve; the sphere is made of conductive material and is rotatably accommodated at the bottom of the casing and is insulated from the casing. The installation part of the connection, the light source module is installed and connected on the installation part, the upper part of the sphere is provided with a spring pin that can conduct electricity and is insulated from the sphere, and the inside of the sphere is provided with a channel for the wire to pass through; the elastic part is provided between the drive sleeve and the sphere. The top of the spring pin is against the conductive plate; the positive pole of the driving power is electrically connected to the conductive plate, the lower end of the spring pin is electrically connected to the positive pole of the light source module through the wire passing through the channel, and the negative pole of the driving power is connected to the elastic member Electrically connected, the elastic member is electrically connected to the sphere, and the sphere is electrically connected to the negative electrode of the light source module.

The advantage of the invention is that when the lamp rotates universally, it can be electrically connected continuously without twisting the wires and causing damage and leakage.

The present invention can be improved by following scheme:

The electrical connection structure also includes a conductive stabilizing adjustment ring, the stabilizing adjusting ring is sleeved on the sphere and is electrically connected with the sphere, the elastic member is a first spring, and the first end of the first spring abuts against the driving In the lower part of the cover, the second end of the first spring is against the stable adjusting ring.

The inner surface of the stability adjusting ring is provided with a curved surface matching with the surface of the sphere. When the sphere is rotated, the stability adjustment ring continues to protect the stability.

The side wall of the lower part of the driving sleeve is provided with an opening, the driving power is arranged inside the driving sleeve, and the negative pole of the driving power is electrically connected to the first spring through a wire passing through the opening.

The lower end of the drive sleeve is extended with an accommodating portion for the conductive plate to be accommodated and installed, the conductive plate is accommodated and installed in the accommodating portion, and the first end of the first spring is sleeved in the accommodating portion. The periphery of the part and abut against the end surface of the lower end of the drive sleeve.

The end surface of the conductive plate facing the spring pin is a concave curved surface. Make the contact of the spring pin with this end face softer.

A fixing seat made of insulating material is arranged on the upper part of the sphere, and the fixing seat has a guiding through hole communicating with the channel, and the spring pin is installed in the guiding through hole.

The spring pin is a conductive pogo pin, which includes a needle body and a needle seat, and a second spring is arranged between the needle body and the needle seat to enable the needle body to expand and contract axially relative to the needle seat.

The upper end of the housing is equipped with a lamp base, the lamp base is connected with a back cover, the inner side wall of the housing and the back cover are provided with buckles that cooperate with each other, and the back cover is installed and connected with the housing through the buckles.

The side wall of the top of the drive sleeve is provided with at least one axially extending guide slot, and the rear cover is provided with a number of axially extending stoppers corresponding to the guide slot of the drive sleeve, and the stoppers extend into guide slot.

Description of drawings

Fig. 1 is the three-dimensional state schematic diagram of lamp in the embodiment;

Fig. 2 is a schematic diagram of the decomposed three-dimensional state in the embodiment;

Fig. 3 is a schematic cross-sectional structure diagram of the lamp in the embodiment;

Fig. 4 is the enlarged state schematic diagram of I among Fig. 3;

Fig. 5 is the magnified state schematic diagram of I among Fig. 3 (after the sphere rotates certain angle);

Fig. 6 is a schematic diagram of the three-dimensional state of the driving sleeve in the embodiment.

Detailed ways

In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

A lamp as shown in accompanying drawings 1 to 5 has an electrical connection structure, including a housing 1 , a driving power supply 2 , a light source module 3 , a driving sleeve 4 , a ball 5 and an elastic member 6 . Wherein, the casing 1 and the driving sleeve 4 are made of insulating materials, and the ball 5 and the elastic member 6 are made of conductive materials.

The upper end of the housing 1 is equipped with a lamp holder 11, the lamp holder 11 is connected with a rear cover 12, the inner side wall of the housing 1 and the rear cover 12 are provided with a buckle that cooperates with each other, and the rear cover 12 is connected to the housing through the buckle. 1 to install the connection.

The driving sleeve 4 is arranged in the housing 1 and can slide up and down along the axial direction of the housing 1. Specifically, the side wall of the top of the driving sleeve 4 is provided with at least one axially extending guide slot 41, so that The rear cover 12 is provided with a plurality of axially extending limiting pieces 121 corresponding to the guiding slot 41 of the driving sleeve 4 , and the limiting pieces 121 protrude into the guiding slot 41 . The bottom of the guide slot 41 can be formed with a protrusion 411 extending radially along the drive sleeve 4, and when the end surface of the stopper 121 contacts the bottom of the guide slot 41, the stopper 121 and the guide slot 41 are raised. The contact stability of groove 41.

The inner diameter of the lower end of the drive sleeve 4 gradually decreases from top to bottom, so that the ball 5 can only enter the interior of the housing 1 from the upper opening of the housing 1 and be rotatably accommodated at the bottom of the housing 1. The inner wall of the bottom of the housing 1 is provided with an annular anti-off belt 13 , and the inner side of the annular anti-off belt 13 is a curved surface matching the surface of the sphere 5 .

A conductive plate 7 capable of conducting electricity and insulated from the driving sleeve 4 is provided at the bottom of the driving sleeve 4 . The end surface of the conductive plate 7 facing the spring pin 8 described below is a concave curved surface.

The lower part of the sphere 5 is provided with a mounting part 51 protruding from the bottom of the housing for mounting and connection of the light source module 3. The light source module 3 is mounted and connected on the mounting part 51. Specifically, the light source module 3 has a convertible connector 31 , the connecting piece 31 is butt-connected with the mounting part 51 , the connecting piece 31 and the mounting part 51 are butt-connected by means of threaded connection, and the connecting piece 31 is detachable to adapt to different types of light source modules 3 . A channel 52 for the wire to pass is arranged inside the ball 5 .

The upper part of the sphere 5 is provided with a spring pin 8 which is conductive and insulated from the sphere 5. Specifically, the upper part of the sphere 5 is provided with a fixing seat 53 made of insulating material. The fixing seat 53 has a There is a guide through hole 531 through which the spring pin 8 is installed in the guide through hole 531 . The spring pin 8 is a conductive pogo pin, which includes a needle body and a needle seat, and a second spring is arranged between the needle body and the needle seat to enable the needle body to expand and contract axially relative to the needle seat.

The elastic member 6 is arranged between the driving sleeve 4 and the ball 5 , so that the tip of the elastic pin 8 abuts against the conductive plate 7 . Specifically, the sphere 5 is covered with a conductive stabilizing ring 9, and the stabilizing ring 9 is electrically connected to the sphere 5 during the rotation of the sphere 5. The inner surface of the stabilizing ring 9 is provided with a mated surfaces.

The elastic member 6 is a first spring, the first end of the first spring abuts against the lower part of the driving sleeve 4 , and the second end of the first spring abuts against the stability adjustment ring 9 . More specifically, an accommodating portion 42 for accommodating and installing the conducting plate 7 is extended from the lower end of the driving sleeve 4, and the conducting plate 7 is accommodated and installed in the accommodating portion 42, and the first The first end of the spring is sleeved on the periphery of the accommodating portion 42 and abuts against the end surface of the lower end of the driving sleeve 4 .

As shown in FIG. 6 , the lower side wall of the drive sleeve 4 is provided with an opening 43 .

The drive power supply 2 is arranged inside the drive sleeve 4, the positive pole of the drive power supply 2 is electrically connected to the conductive plate 7, and the lower end of the spring pin 8 is electrically connected to the positive pole of the light source module 3 through the wire passing through the passage 52; the drive power supply The negative electrode of 2 is electrically connected to the first spring through the wire passing through the opening 43, the first spring is electrically connected to the sphere 5 through the stabilizing adjusting ring 9, and the sphere 5 is electrically connected to the negative electrode of the light source module 3.

Claims (10)

1. a kind of electric connection structure of lamp, including housing, driving power and light source module group, which is characterized in that electric connection structure is also Including actuating sleeve, sphere and elastic component；Driving is set in housing and can be slided up and down along the axial direction of housing, actuating sleeve Bottom is provided with the conductive plate that an energy is conductive and insulate with actuating sleeve；Sphere is made of an electrically conducting material and can rotationally be accommodated in shell The bottom of body is simultaneously insulated with housing, and the lower part of sphere, which is provided with, stretches out mounting portion of the housing bottom for light source module group installation connection, Light source module group installation is connected on mounting portion, and the top setting energy conduction and the bullet needle to insulate with sphere, ball interior of sphere are set Be equipped with for conducting wire by channel；Elastic component, which is arranged on, makes the top for playing needle support the conduction between actuating sleeve and sphere Plate；The anode of driving power is electrically connected with conductive plate, is played the lower end of needle and is passed through the conducting wire by the channel and light source module group Anode is electrically connected, and the cathode of driving power is electrically connected with elastic component, and elastic component is electrically connected with sphere, and sphere and light source module group are born Pole is electrically connected.

2. the electric connection structure of a kind of lamp according to claim 1, which is characterized in that electric connection structure further includes one and can lead The stable regulation ring of electricity, stable regulation ring set are located on sphere and are electrically connected with sphere holding, and the elastic component is the first spring, The first end of first spring is supported in the lower part of the actuating sleeve, and the second end of the first spring is supported on stable regulation ring.

A kind of 3. electric connection structure of lamp according to claim 2, which is characterized in that the medial surface of the stable regulation ring It is provided with the curved surface coordinated with the spherome surface.

A kind of 4. electric connection structure of lamp according to claim 2, which is characterized in that the side wall of the lower part of the actuating sleeve Be provided with trepanning, the driving power is arranged on the inside of actuating sleeve, the cathode of driving power by pass through the conducting wire of trepanning with First spring is electrically connected.

5. the electric connection structure of a kind of lamp according to claim 2, which is characterized in that the lower end extension of the actuating sleeve is set The holding part that installation is housed for the conductive plate is equipped with, the conductive plate is housed in the holding part, first spring First end be set in the periphery of holding part and support on the end face of actuating sleeve lower end.

6. a kind of electric connection structure of lamp according to claim 1 to claim 5 any claim, feature exist In the end face of the conductive plate towards bullet needle is inner sunken face.

7. a kind of electric connection structure of lamp according to claim 6, which is characterized in that the top of the sphere be provided with by Fixed seat made of insulating materials, fixed seat have a guide through hole being connected with the channel, and the bullet needle, which is mounted on, leads Into through-hole.

8. a kind of electric connection structure of lamp according to claim 7, which is characterized in that the bullet needle is power spring needle, It includes needle body and needle stand, and second spring is provided between needle body and needle stand enables needle body with respect to needle stand axial stretching.

9. the electric connection structure of a kind of lamp according to claim 6, which is characterized in that the upper end of the housing is equipped with lamp Head, lamp cap are connected with rear cover, and the madial wall and rear cover of the housing are provided with the buckle of mutual cooperation, and rear cover passes through buckle and shell Body installation connection.

A kind of 10. electric connection structure of lamp according to claim 9, which is characterized in that the side at the top of the actuating sleeve Wall is slotted at least provided with one of axially extending guiding, and the guiding fluting that the rear cover corresponds to actuating sleeve is provided with several axial directions The banking stop of extension, the banking stop are put in guiding fluting.