CN211176710U

CN211176710U - Novel lamp power supply device

Info

Publication number: CN211176710U
Application number: CN202020040182.6U
Authority: CN
Inventors: 刘天明; 辛倜
Original assignee: Zhongshan Mls Photoelectric Co ltd
Current assignee: Zhongshan Mls Photoelectric Co ltd
Priority date: 2020-01-08
Filing date: 2020-01-08
Publication date: 2020-08-04
Anticipated expiration: 2030-01-08

Abstract

The utility model provides a novel lamp power supply device, which comprises a shell, a circuit board and an end cover, wherein the circuit board is arranged in the shell, the end cover is connected with the opening end of the shell, the end cover is provided with a through hole, and a rubber plug is arranged in the through hole; the rubber plug comprises a pressing part and an installation part connected with the pressing part, the pressing part protrudes upwards out of the surface of the end cover, and the pressing part is made of soft materials; the installation department install in the through-hole, and still be equipped with the cavity in the installation department, install mechanical switch on the circuit board, mechanical switch stretches into in the cavity, and the mechanical switch and the plug press the splenium to be equipped with the clearance between. Clearance fit between this power supply unit's mechanical switch and the plug can avoid the unable normal assembly of mechanical switch and plug that leads to because of processing defect to can promote the yield of power supply unit production.

Description

Novel lamp power supply device

Technical Field

The utility model relates to a power supply unit technical field especially relates to a novel lamps and lanterns power supply unit.

Background

In the existing power supply device for lamps (such as christmas lights), the switch part of the power supply device is usually installed by placing a mechanical switch inside. For example, a hole is formed in the shell of the power supply device, a rubber plug is placed in the hole, the mechanical switch is arranged in the shell, and the mechanical switch is matched with the rubber plug in a propping manner; the rubber plug is pressed to drive the mechanical switch, so that the function switching of the power supply device is realized by on-off of an internal circuit of the mechanical switch.

However, in the prior art, the mechanical switch and the rubber plug are in abutting fit, so that if the machining size of the mechanical switch and/or the rubber plug is deviated, the mechanical switch and the rubber plug are easily assembled abnormally, and the power supply device is not well produced.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a novel lamps and lanterns power supply unit, this power supply unit can solve the problem of the unable normal assembly of mechanical switch and plug that leads to because of processing defect to can promote the yield of power supply unit production.

In order to solve the problems, the utility model discloses a novel lamp power supply device, which comprises a shell, a circuit board and an end cover, wherein the circuit board is arranged in the shell, and the end cover is connected with the opening end of the shell; the rubber plug comprises a pressing part and an installation part connected with the pressing part, the pressing part protrudes upwards out of the surface of the end cover, and the pressing part is made of soft materials; the installation department install in the through-hole, and still be equipped with the cavity in the installation department, install mechanical switch on the circuit board, mechanical switch stretches into in the cavity, and the mechanical switch and the plug press the splenium to be equipped with the clearance between.

Preferably, the upper end of installation department is located in the through-hole, the lower tip of installation department stretches out downwards the through-hole, and the lower extreme of installation department is equipped with the mounting panel of being connected with the end cover bottom.

Further preferably, the mounting plate is connected with the bottom of the end cover in a clamping manner; the bottom of the end cover is provided with a mounting block or a mounting hole, and the corresponding position of the mounting plate is provided with a mounting hole or a mounting block which is matched with the mounting block.

Preferably, the outer side of the upper end part of the mounting part is provided with a groove or a bump, and the corresponding position of the inner side wall of the through hole is provided with a matched bump or groove.

Preferably, the mechanical switch comprises a button, a reed, a base and at least two first contact pins, the base is provided with a containing cavity, the reed is installed in the containing cavity, the lower end part of the button is located in the containing cavity above the reed, the upper end part of the button extends out of the containing cavity and is in clearance fit with a pressing part of the rubber plug, and a clearance is formed between the outer side of the button and the inner side wall of the installing part of the rubber plug; one end of each first contact pin is electrically connected with the circuit board, the other end of each first contact pin is installed in the base below the reed, and the two first contact pins are respectively in contact with the reed to realize a passage.

Further preferably, the support is installed to the base upper end, the support is equipped with and holds the hollow structure that the chamber corresponds, one side that the support is close to the circuit board is equipped with the second contact foot of being connected with the circuit board electricity, and the second contact foot is located the top of first contact foot, and the second contact foot is triangular distribution with two first contact feet.

Preferably, the side edge of the pressing part is provided with a transition section smoothly connected with the surface of the end cover.

Preferably, the end cover is provided with a wiring livestock, and the outer side wall of the wiring livestock is provided with a thread structure in threaded connection with an external lamp; the wiring terminal is internally provided with a conducting strip, the upper end part of the conducting strip is electrically connected with an external lamp, the lower end part of the conducting strip extends into the shell, and the lower end part of the conducting strip is provided with a conducting seat which is electrically connected with the circuit board.

Preferably, the circuit board is provided with a conductive pin, the lower end of the conductive pin extends out of the shell downwards, and the upper end of the conductive pin is provided with a conductive seat electrically connected with the circuit board.

Further preferably, the conductive pin is cylindrical and comprises a connecting section at the upper end and a conductive section at the lower end, the radius of the connecting section is smaller than that of the conductive section, the connecting section is electrically connected with the conductive seat, and the conductive section extends out of the shell and is electrically connected with an external socket; the upper end of the conductive section is also provided with a fastening section with the radius slightly smaller than that of the conductive section, and the circumferential surface of the fastening section is provided with a dentate structure connected with the shell.

Compared with the prior art, the utility model discloses a following beneficial effect:

this power supply unit's mechanical switch and the plug press the portion between clearance fit, also this clearance provides the assembly space for mechanical switch and plug to even certain deviation appears in the machining dimension of mechanical switch and/or plug, mechanical switch also can normally assemble with the plug, and then promote the yield of power supply unit production.

Moreover, the splenium of pressing of plug is soft material, presses down to press the splenium, makes to press the splenium to take place deformation and move down to triggering mechanical switch to make the inside route of mechanical switch, in order to realize power supply unit's circular telegram function, wherein, the splenium of plug is through deformation downstream, compares the button of complex construction design, the simple structure of plug, compactness, and the design is more reasonable, is particularly useful for christmas lamp.

Drawings

Fig. 1 is a schematic perspective view of the power supply device of the present embodiment.

Fig. 2 is an exploded schematic view of the power supply device with the housing removed in the embodiment.

Fig. 3 is a schematic perspective view of the conductive pin of the present embodiment.

Fig. 4 is an exploded schematic view of the rubber plug and the mechanical switch of the present embodiment.

Fig. 5 is a sectional view of the power supply device of the present embodiment.

Fig. 6 is a partially enlarged view of reference character a in fig. 5.

Fig. 7 is an exploded structural schematic diagram of the mechanical switch of the present embodiment.

The reference numbers illustrate: 1, a shell; 2, a circuit board; 3, end cover; 31 a through hole; 32 a mounting block; 33 bumps; 4, a rubber plug; 41 a pressing part; 411 transition section; 42 an installation part; 421 a cavity; 422 grooves; 423 mounting the plate; 424 mounting holes; 5, a gap; 6, a mechanical switch; 61 push buttons; a reed of 62; 63 a base; 631 an accommodation chamber; 632 a first contact pin; 64 a bracket; 641 a hollow structure; 642 a second contact pin; 7, a binding post; 71 a conductive sheet; 72 a thread structure; 8, a conductive seat; 9 conductive pins; 91 a connecting section; 92 conductive segments; 93 a fastening section; 931 toothed structure.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

The novel lamp power supply device of the embodiment, referring to fig. 1-2, includes a housing 1 and an end cover 3 connected to an opening end of the housing 1, and a circuit board 2 is installed in the housing 1. The end cover 3 is provided with a binding post 7, the outer side wall of the binding post 7 is provided with a thread structure 72 in threaded connection with an external lamp, a conducting strip 71 is arranged inside the binding post 7, the upper end part of the conducting strip 71 is electrically connected with the external lamp, the lower end part of the conducting strip 71 extends into the shell 1, and the lower end part of the conducting strip 71 is provided with a conducting seat 8 electrically connected with the circuit board 2.

Referring to fig. 2-3, the circuit board 2 is mounted with a conductive pin 9, the conductive pin 9 is cylindrical and includes a connecting segment 91 and a conductive segment 92 connected with the lower end of the connecting segment 91, the radius of the connecting segment 91 is smaller than that of the conductive segment 92, and the upper end of the connecting segment 91 is mounted with a conductive seat 8 electrically connected with the circuit board 2; the lower end of the conductive segment 92 extends downwardly out of the housing 1 and is electrically connected to an external socket. The upper end of the conductive segment 92 is further provided with a fastening segment 93 with a radius slightly smaller than that of the conductive segment 92, and the circumferential surface of the fastening segment 93 is provided with a tooth-shaped structure 931 connected with the housing 1, so as to stably mount the conductive pin 9 on the housing 1.

Referring to fig. 2 and 4-6, wherein the end cover 3 is provided with a through hole 31 (see fig. 2), and a rubber plug 4 is installed in the through hole 31; the rubber plug 4 comprises a pressing part 41 and an installation part 42 connected with the pressing part 41, the pressing part 41 protrudes upwards from the surface of the end cover 3, and the pressing part 41 is made of soft material; the side edge of the pressing part 41 is provided with a transition section 411 smoothly connected with the surface of the end cap 3. The upper end of installation department 42 is located the through-hole 31, and the upper end outside of installation department 42 is equipped with recess 422 or lug, and the corresponding position of through-hole 31 inside wall is equipped with matched with lug 33 or recess, through the cooperation of recess 422 with lug 33, realizes the installation of the installation department 42 of plug 4 and the through-hole 31 inside wall of end cover 3.

In practical application, in order to further realize the firm connection between the rubber plug 4 and the end cover 3, the lower end part of the mounting part 42 extends downwards out of the through hole 31, and the lower end of the mounting part 42 is provided with a mounting plate 423 which is clamped and connected with the bottom of the end cover 3; specifically, the bottom of the end cover 3 is provided with a mounting block 32 (see fig. 2 and 6) or a mounting hole, a corresponding position of the mounting plate 423 is provided with a mounting hole 424 or a mounting block which is matched with the mounting block, and the mounting plate 423 of the rubber plug 4 is firmly connected with the bottom of the end cover 3 through the matching of the mounting block 32 and the mounting hole 424.

Wherein, the plug 4 is in addition to set up in the installation department 42 outside with through-hole 31 inside wall matched with recess 422 or lug, still sets up the mounting panel 423 of being connected with end cover 3 bottom block at the lower extreme of installation department 42, adopts multilayer mounting structure to carry out firm connection, simple structure, compactness with plug 4 and end cover 3.

Referring to fig. 5-7, a cavity 421 is provided within the mounting portion 42; the circuit board 2 is mounted with a mechanical switch 6. The mechanical switch 6 comprises a button 61, a reed 62, a bracket 64 and a base 63; base 63 has a receiving cavity 631, bracket 64 is mounted on the upper end of base 63, bracket 64 has a hollow structure 641 corresponding to receiving cavity 631, and spring plate 62 is mounted in receiving cavity 631; the lower end part of the button 61 is positioned in the accommodating cavity 631 above the reed 62, the upper end part of the button 61 extends out of the accommodating cavity 631 and the hollow structure 641 and extends into the cavity 421 of the mounting part 42, the upper end part of the button 61 is matched with the pressing part 41 of the rubber plug 4 through a gap 5, and the outer side of the button 61 is matched with the inner side wall gap 5 of the mounting part 42 of the rubber plug 4; the button 61 of the mechanical switch 6 is matched with the pressing part 41 of the rubber plug 4 through the gap 5, namely the gap 5 provides an assembly space for the mechanical switch 6 and the rubber plug 4, so that even if a certain deviation occurs in the machining size of the mechanical switch 6 and/or the rubber plug 4, the mechanical switch 6 and the rubber plug 4 can be normally assembled, and the yield of the power supply device is further improved.

Two first contact pins 632 are arranged on one side of the base 63, one end of each first contact pin 632 is electrically connected with the circuit board 2, the other end of each first contact pin 632 is installed in the base 63 below the reed 62, the two first contact pins 632 are disconnected, and the two first contact pins 632 are respectively contacted with the reed 62 to realize the access. One side of the bracket 64 close to the circuit board 2 is provided with a second contact pin 642 electrically connected to the circuit board 2, the second contact pin 642 is located above the first contact pin 632, and the second contact pin 642 and the two first contact pins 632 are distributed in a triangular shape. The first contact pin 632 and the second contact pin 642 are electrically connected (including but not limited to soldering) to the circuit board 2, and the first contact pin 632 and the second contact pin 642 in triangular parts form a stable triangular structure, so as to achieve a firm connection between the mechanical switch 6 and the circuit board 2.

In power supply unit's practical application, because the splenium 41 of pressing of plug 4 is soft material, so after pressing splenium 41 downwards, pressing splenium 41 can take place deformation and follow cavity 421 and move down to conflict mechanical switch 6's button 61 to make button 61 along the chamber 631 that holds of base 63 to remove to trigger reed 62, make reed 62 communicate two first contact feet 632 that open circuit, thereby make mechanical switch 6 internal passage, and then realize power supply unit's opening or other regulatory function's conversion. Correspondingly, after the power supply device is used, the two first contact pins 632 of the mechanical switch 6 can be disconnected by pressing the pressing portion 41 of the rubber plug 4 downwards, so that the power supply device is turned off or other adjusting functions are switched. Wherein, the splenium 41 of pressing of plug 4 is through deformation downstream, compares the button 61 of complex structure design, and plug 4's simple structure, compactness, the design is more reasonable, is particularly useful for christmas lamp.

While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the embodiments of the invention.

The technical solution provided by the present invention is described in detail above, and the principle and the implementation of the present invention are explained by applying specific examples, and the description of the above examples is only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. A novel lamp power supply device comprises a shell, a circuit board and an end cover, wherein the circuit board is arranged in the shell, and the end cover is connected with the opening end of the shell; the rubber plug comprises a pressing part and an installation part connected with the pressing part, the pressing part protrudes upwards out of the surface of the end cover, and the pressing part is made of soft materials; the installation department install in the through-hole, and still be equipped with the cavity in the installation department, install mechanical switch on the circuit board, mechanical switch stretches into in the cavity, and the mechanical switch and the plug press the splenium to be equipped with the clearance between.

2. The novel lamp power supply device as claimed in claim 1, wherein the upper end of the mounting portion is located in the through hole, the lower end of the mounting portion extends downwards out of the through hole, and a mounting plate connected with the bottom of the end cover is arranged at the lower end of the mounting portion.

3. The novel lamp power supply device of claim 2, wherein the mounting plate is in snap-fit connection with the bottom of the end cap; the bottom of the end cover is provided with a mounting block or a mounting hole, and the corresponding position of the mounting plate is provided with a mounting hole or a mounting block which is matched with the mounting block.

4. The novel lamp power supply device according to claim 1, wherein a groove or a projection is arranged on the outer side of the upper end of the mounting portion, and a matched projection or groove is arranged at a corresponding position of the inner side wall of the through hole.

5. The novel lamp power supply device according to claim 1, wherein the mechanical switch comprises a button, a reed, a base and at least two first contact pins, the base is provided with a containing cavity, the reed is installed in the containing cavity, the lower end part of the button is located in the containing cavity above the reed, the upper end part of the button extends out of the containing cavity and is in clearance fit with the pressing part of the rubber plug, and a clearance is formed between the outer side of the button and the inner side wall of the installing part of the rubber plug; one end of each first contact pin is electrically connected with the circuit board, the other end of each first contact pin is installed in the base below the reed, and the two first contact pins are respectively in contact with the reed to realize a passage.

6. The novel lamp power supply device according to claim 5, wherein a support is mounted at the upper end of the base, the support is provided with a hollow structure corresponding to the accommodating cavity, one side of the support, which is close to the circuit board, is provided with a second contact pin electrically connected with the circuit board, the second contact pin is located above the first contact pins, and the second contact pin and the two first contact pins are distributed in a triangular manner.

7. The novel lamp power supply device as claimed in claim 1, wherein the side edge of the pressing portion is provided with a transition section smoothly connected with the surface of the end cap.

8. The novel lamp power supply device according to claim 1, wherein the end cover is provided with a binding post, and the outer side wall of the binding post is provided with a thread structure in threaded connection with an external lamp; the wiring terminal is internally provided with a conducting strip, the upper end part of the conducting strip is electrically connected with an external lamp, the lower end part of the conducting strip extends into the shell, and the lower end part of the conducting strip is provided with a conducting seat which is electrically connected with the circuit board.

9. The novel lamp power supply device as claimed in claim 1, wherein the circuit board is provided with conductive pins, the lower end portions of the conductive pins extend downward out of the housing, and the upper end portions of the conductive pins are provided with conductive seats electrically connected with the circuit board.

10. The novel lamp power supply device according to claim 9, wherein the conductive pin is cylindrical and comprises a connecting section at the upper end and a conductive section at the lower end, the radius of the connecting section is smaller than that of the conductive section, the connecting section is electrically connected with the conductive seat, and the conductive section extends out of the housing and is electrically connected with an external socket; the upper end of the conductive section is also provided with a fastening section with the radius slightly smaller than that of the conductive section, and the circumferential surface of the fastening section is provided with a dentate structure connected with the shell.