CN212777035U

CN212777035U - Indicator lamp mounting structure of switch power adapter

Info

Publication number: CN212777035U
Application number: CN202022251590.9U
Authority: CN
Inventors: 杨庭顺; 汪财军; 俞鑫杰; 刘祖真; 邓金祥
Original assignee: Xiamen Yiheng Electronic Co ltd
Current assignee: Xiamen Yiheng Electronic Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-03-23
Anticipated expiration: 2030-10-12

Abstract

The utility model discloses an indicator lamp mounting structure of a switching power supply adapter, which comprises a shell and a transparent indicator lamp shade, wherein the side wall of the shell is penetrated with a through hole, the indicator lamp shade is inserted in the through hole, a cavity is arranged in the through hole, the cavity divides the through hole into an inlet hole and an outlet hole, and the inlet hole is of a conical structure; the indicating lamp lampshade comprises a connecting cylinder and an installation sleeve, the closed end of the connecting cylinder is positioned in the outlet hole, the installation sleeve has the same structure as the inlet hole, the installation sleeve is inserted into the cavity through the inlet hole, and the lower end face of the installation sleeve covers the upper port of the inlet hole; the mounting sleeve is close to a terminal surface symmetry of advancing the hole and is equipped with the thread groove, advances the hole bilateral symmetry and is equipped with the mounting hole, and two thread grooves and two mounting hole one-to-ones set up, insert the mounting hole through the bolt in the shell to with thread groove cooperation spiro union back, mounting sleeve's lower terminal surface is with the excessive sealing connection of the last port of advancing the hole. The indicator lamp mounting structure of the switching power supply adapter is good in sealing performance.

Description

Indicator lamp mounting structure of switch power adapter

Technical Field

The utility model relates to an electronic power source field, concretely relates to switching power supply adapter's pilot lamp mounting structure.

Background

The switch power adapter is a power supply conversion device of small portable electronic equipment and electronic appliances, and generally comprises a shell, a switch, a power transformer and a rectification circuit; the switch power adapter has the advantages of small appearance, convenience in carrying, wide and various purposes, suitability for various environments, reliable quality and the like.

The utility model discloses a power adapter, including power adapter, installation pilot lamp, plug-in hole, power supply unit's short circuit, certain potential safety hazard exists.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a switching power supply adapter's pilot lamp mounting structure, the installation leakproofness of having solved switching power supply adapter pilot lamp effectively at least is not enough, leads to the relatively poor problem of waterproof nature.

(II) technical scheme

In order to solve the technical problem, the utility model provides a following technical scheme: an indicator lamp mounting structure of a switching power supply adapter comprises a shell and a transparent indicator lamp shade, wherein a through hole penetrates through the side wall of the shell, the indicator lamp shade is inserted into the through hole, a cavity is arranged in the through hole, the cavity divides the through hole into an inlet hole and an outlet hole, the outlet hole penetrates through the outer side wall of the shell, the inlet hole penetrates through the inner side wall of the shell, and the inlet hole is of a conical structure facing the inside of the cavity; the indicating lamp lampshade comprises a connecting cylinder for sleeving an indicating lamp and a mounting sleeve fixedly sleeved outside the connecting cylinder, the mounting sleeve has the same structure as the inlet hole, the mounting sleeve is inserted into the cavity through the inlet hole, the lower end face of the mounting sleeve covers the upper port of the inlet hole, the closed end of the connecting cylinder is positioned in the outlet hole, and the open end of the connecting cylinder extends into the shell to form an operating part; the mounting sleeve is close to a terminal surface symmetry of advancing the hole is equipped with the thread groove, it is equipped with the mounting hole, two to advance hole bilateral symmetry the thread groove with two the mounting hole one-to-one sets up insert through the bolt in the shell the mounting hole, and with behind the thread groove cooperation spiro union, mounting sleeve's lower terminal surface with the upper end mouth of advancing the hole is sufficient sealing connection.

According to the arrangement, the installation sleeve has the same structure as the hole, and is matched and spliced with the hole, so that the installation sleeve is also of a conical structure, when the installation sleeve is installed, the operation part is held, the lampshade of the indicator lamp is pushed into the through hole and squeezed into the cavity, when the installation sleeve is positioned in the cavity, the lower end of the installation sleeve is attached to the upper end of the hole, due to the conical structure, the outer diameter of the lower end of the installation sleeve is larger than that of the upper end, and the lower end face of the installation sleeve covers the upper port of the hole; simultaneously under the cooperation of bolt and thread groove, the lower terminal surface of installing sleeve and the last port of advancing the hole are sufficient sealing connection, make the installing sleeve fixed and closely laminate on advancing the hole, thereby the leakproofness between pilot lamp shade and the through-hole has been improved, prevent effectively that dust and moisture from getting into the shell from the through-hole, and pilot lamp shade itself has the effect of protection pilot lamp, make the shell have better leakproofness and waterproof nature, thereby the leakproofness and the waterproof nature of switching power supply adapter pilot lamp have been improved.

And a sealing gasket is arranged between the mounting sleeve and the inlet hole, one surface of the sealing gasket covers the lower end surface of the mounting sleeve, and the other surface of the sealing gasket is in interference sealing connection with the upper end opening of the inlet hole.

So set up, seal gasket can further improve installation sleeve pipe lower extreme face and advance the leakproofness between the hole, promote the sealed effect of shell.

Further, the surface of the installation sleeve is an arc convex surface, and the inner wall of the inlet hole is an arc convex wall.

So set up for the installation sleeve pipe can conveniently pass through the inlet hole, and crowd into the cavity, thereby improve the installation effectiveness of pilot lamp shade.

Further setting, it is equipped with the guide way to advance the downthehole wall, the installation sleeve pipe outer wall is equipped with the guide, the guide slidable in the guide way.

So set up, through the cooperation of guide and guide way for after the installation sleeve pipe got into the cavity through advancing the hole, the thread groove can align fast with the mounting hole, thereby the fastening connection of the bolt of being convenient for improves the installation effectiveness of pilot lamp.

The installation sleeve is further provided with a limiting part at the position of the threaded groove, the limiting part is inserted in the installation hole, and the threaded groove penetrates through the surface of the limiting part.

So set up, the locating part inserts the mounting hole in the back, and the installation sleeve pipe can be more stable, further improves the connection efficiency of bolt.

And a sealing plate is movably sleeved on the operation part, a hole site penetrates through the sealing plate, the bolt penetrates through the hole site and fastens the sealing plate on the inner side wall of the shell, and the sealing plate covers the inlet hole.

So set up, the closing plate seals at the inside wall of shell, has increased the sealed effect of shell, has further improved the leakproofness and the waterproof nature of switching power supply adapter pilot lamp.

Further, a handle piece is arranged at one end, far away from the sealing plate, of the operating part.

So set up, be convenient for to the operation of pilot lamp shade, improve the efficiency of installation.

In a further arrangement, a sealing ring is arranged between one end of the connecting cylinder, which is positioned in the outlet hole, and the outlet hole.

So set up, the sealing washer can effectively prevent the outside dust of shell and moisture entering, further increases the sealed effect of shell, improves the leakproofness and the waterproof nature of switching power supply adapter pilot lamp.

(III) advantageous effects

Compared with the prior art, the utility model provides a switching power supply adapter's pilot lamp mounting structure possesses following beneficial effect:

the installation sleeve of the indicating lamp installation structure of the switching power supply adapter is of a conical structure, the installation sleeve is matched and spliced with the inlet hole, when the installation is carried out, the operation part is held, the indicating lamp lampshade is pushed into the through hole and squeezed into the cavity, when the installation sleeve is positioned in the cavity, the lower end of the installation sleeve is attached to the upper end of the inlet hole, due to the conical structure, the outer diameter of the lower end of the installation sleeve is larger than that of the upper end, and the lower end face of the installation sleeve covers the upper port of the inlet hole; meanwhile, under the matching of the bolt and the thread groove, the lower end face of the mounting sleeve is in interference sealing connection with the upper end opening of the inlet hole, so that the mounting sleeve is fixed and tightly attached to the inlet hole, the sealing performance between the indicating lamp shade and the through hole is improved, dust and moisture are effectively prevented from entering the shell from the through hole, the indicating lamp shade has the function of protecting the indicating lamp, the shell has better sealing performance and waterproofness, and the sealing performance and the waterproofness of the indicating lamp of the switching power supply adapter are improved; and a sealing gasket is arranged between the mounting sleeve and the inlet hole, and the inlet hole is sealed by the sealing gasket, so that the sealing property between the lower end surface of the mounting sleeve and the inlet hole is further improved, and the sealing effect of the shell is improved.

Drawings

Fig. 1 is a schematic view of the overall front cross-sectional structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is an enlarged schematic view of a portion B in fig. 2.

In the drawings: 1. a housing; 101. a through hole; 1011. a cavity; 1012. entering a hole; 10121. an arc-shaped convex wall; 10122. a guide groove; 1013. an outlet hole; 102. mounting holes; 2. the indicating lamp shade; 201. a connecting cylinder; 2011. an operation section; 202. installing a sleeve; 2021. a thread groove; 2022. an arc convex surface; 2023. a guide member; 2024. a limiting member; 203. a handle member; 3. a bolt; 4. sealing gaskets; 5. a sealing plate; 501. hole site; 6. and (5) sealing rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1, fig. 2 and fig. 3, wherein fig. 1 is a schematic diagram of an overall front cross-sectional structure of the present invention, fig. 2 is an enlarged structural diagram of a point a in fig. 1, and fig. 3 is an enlarged structural diagram of a point B in fig. 2.

The utility model provides a switch power adapter's pilot lamp mounting structure, including the transparent plastic pilot lamp shade 2 of plastic casing 1 and PVC material, the through-hole 101 has been run through perpendicularly to the casing 1 lateral wall, the pilot lamp shade 2 pegs graft in through-hole 101, it has the cavity 1011 to open in the through-hole 101, cavity 1011 divides into inlet hole 1012 and outlet hole 1013 with through-hole 101, outlet hole 1013 runs through the lateral wall of casing 1, inlet hole 1012 runs through the inside wall of casing 1, inlet hole 1012 is towards the toper structure in the cavity 1011; the indicating lamp lampshade 2 comprises a connecting cylinder 201 for sleeving the indicating lamp and a mounting sleeve 202 integrally formed outside the connecting cylinder 201, the mounting sleeve 202 has the same structure as the inlet 1012, the mounting sleeve 202 is inserted into the cavity 1011 through the inlet 1012, the lower end face of the mounting sleeve 202 covers the upper port of the inlet 1012, the upper end of the connecting cylinder 201 is a closed end and is positioned in the outlet 1013, the lower end of the connecting cylinder 201 is an open end, and the open end extends into the housing 1 to form an operating part 2011; the end face of the mounting sleeve 202 close to the inlet hole 1012 is symmetrically provided with thread grooves 2021, two sides of the inlet hole 1012 are symmetrically provided with mounting holes 102, the two thread grooves 2021 and the two mounting holes 102 are arranged in a one-to-one correspondence manner, the mounting holes 102 are inserted into the housing 1 through bolts 3, and after the mounting holes 102 are matched and screwed with the thread grooves 2021, the lower end face of the mounting sleeve 202 is in sealed connection with the upper end opening of the inlet hole 1012. Thus, because the installation sleeve 202 has the same structure as the inlet 1012 and the installation sleeve 202 is inserted into the inlet 1012 in a matching manner, the installation sleeve 202 also has a conical structure, when the installation is performed, the operating part 2011 is held, the indicator lamp shade 2 is pushed into the through hole 101 and is squeezed into the cavity 1011, when the installation sleeve 202 is positioned in the cavity 1011, the installation sleeve 202 is positioned right above the inlet 1012, and the outer diameter of the lower end of the installation sleeve 202 is greater than the outer diameter of the upper port of the inlet 1012; simultaneously under the cooperation of bolt 3 and thread groove 2021, the lower terminal surface of installation sleeve 2020 and the upper port of inlet 1012 are sufficient sealing connection, make installation sleeve 202 fixed and closely laminate on inlet 1012, thereby the leakproofness between pilot lamp shade 2 and the through-hole 101 has been improved, effectively prevent dust and moisture from getting into in the shell 1 from through-hole 101, and pilot lamp shade 2 itself has the effect of protection pilot lamp, make shell 1 have better leakproofness and waterproof nature, thereby the leakproofness and the waterproof nature of switching power supply adapter pilot lamp have been improved.

A rubber sealing gasket 4 is arranged between the mounting sleeve 202 and the inlet hole 1012, the sealing gasket 4 is bonded to the lower end surface of the mounting sleeve 202 through strong glue, the upper end surface of the sealing gasket 4 covers the lower end surface of the mounting sleeve 202, and the lower end surface is connected with the upper end opening of the inlet hole 1012 in a sealing manner. This further improves the sealing performance between the lower end surface of the mounting sleeve 202 and the inlet 1012, and improves the sealing effect of the housing 1.

When the indicator lamp shade 2 is pushed into the through hole 101, the outer diameter of the lower end of the installation sleeve 202 is larger than that of the upper end of the installation sleeve 202 in the process that the installation sleeve 202 passes through the inlet hole 1012 because the installation sleeve 202 is in a conical structure, when the installation sleeve 202 passes through the inlet hole 1012, the lower end of the installation sleeve 202 starts to abut against the inlet hole 1012, and after being extruded by the inlet hole 1012, the installation sleeve 202 starts to deform into the connecting cylinder 201; in order to reduce the degree of deformation and facilitate installation, the surface of the installation sleeve 202 is made into an arc convex 2022 structure, and meanwhile, the inner wall of the inlet 1012 is an arc convex wall 10121; therefore, the mounting sleeve 202 can conveniently pass through the inlet hole 1012 and extrude into the cavity 1011, and the mounting efficiency of the indicator lamp shade 2 is improved.

An inner side wall of the inlet hole 1012 is provided with a guide groove 10122, an outer wall of the installation sleeve 202 is correspondingly and integrally formed with a guide part 2023, and the guide part 2023 can slide in the guide groove 10122. Through the cooperation of the guide 2023 and the guide groove 10122, after the installation sleeve 202 enters the cavity 1011 through the entrance hole 1012, the threaded groove 2021 can be quickly aligned with the installation hole 102, so that the fastening connection of the bolt 3 is facilitated, and the installation efficiency of the indicator lamp is improved.

The lower end surface of the mounting sleeve 202 is integrally formed with a limiting member 2024 at a position located in the threaded groove 2021, the limiting member 2024 is inserted into the mounting hole 102, and the threaded groove 2021 penetrates through the surface of the limiting member 2024. Thus, after the limiting element 2024 is inserted into the mounting hole 102, the mounting sleeve 202 can be more stable, which achieves the effect of pre-fixing the mounting sleeve 202, and meanwhile, the bolt 3 is conveniently aligned, thereby further improving the connection efficiency of the bolt 3.

The activity has cup jointed closing plate 5 on the operation portion 2011, and closing plate 5 comprises for plastic slab and the rubber gasket of PVC material, and the rubber gasket passes through strong glue to be connected on the plastic slab, and it has hole site 501 to run through on closing plate 5, and bolt 3 penetrates hole site 501 to fasten closing plate 5 in the inside wall of shell 1, the rubber gasket on the plastic slab closely laminates on the inside wall of shell 1 simultaneously, and seals up the inlet hole 1012. Seal at 1 inside wall of shell through closing plate 5, increased the sealed effect of shell 1, further improved the leakproofness and the waterproof nature of switching power supply adapter pilot lamp.

The handle piece 203 is integrally formed at one end of the operating part 2011, which is far away from the sealing plate 5, so that the push-pull operation of the indicating lamp shade 2 is facilitated, and the installation efficiency of the indicating lamp shade 2 is improved.

In order to further increase the sealing effect of the housing 1, a rubber sealing ring 6 is arranged between the closed end of the connecting cylinder 201 and the outlet hole 1013, the sealing ring 6 is bonded on the outer circumferential surface of the closed end of the connecting cylinder 201 by strong glue, and the sealing ring 6 is tightly attached to the inner wall of the outlet hole 1013. Through sealing washer 6, can effectively prevent that the outside dust of shell 1 and moisture from getting into to improve the leakproofness and the waterproof nature of switching power supply adapter pilot lamp.

When the indicating lamp shade 2 is installed, the handle piece 203 is pinched by hands to align the upper end of the connecting cylinder 201 with the inlet hole 1012 and the guide piece 2023 with the wire guide groove, then the indicating lamp shade 2 is pushed into the through hole 101, and when the installation sleeve 202 is positioned in the cavity 1011, the closed end of the connecting cylinder 201 is positioned in the outlet hole 1013 and is tightly attached to the outlet hole 1013 through the sealing ring 6; then, the handle 203 is pulled towards the inside of the housing 1, so that the limiting member 2024 on the lower end surface of the mounting sleeve 202 is inserted into the mounting hole 102, the sealing member gasket covers and clings to the upper port of the inlet hole 1012, at this time, the tightening operation of the indicator lamp housing 2 is continuously maintained, then the bolt 3 is inserted into the limiting member 2024 in the mounting hole 102 and screwed with the threaded groove 2021 in the limiting member 2024, so that the indicator lamp housing 2 is fixed in the through hole 101, and finally, the indicator lamp is inserted into the connecting cylinder 201 through the open end of the connecting cylinder 201.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an indicator lamp mounting structure of switching power supply adapter, characterized in that, includes shell (1) and transparent indicator lamp shade (2), through-hole (101) has been run through to shell (1) lateral wall, indicator lamp shade (2) peg graft in through-hole (101), be equipped with cavity (1011) in through-hole (101), cavity (1011) divide into inlet hole (1012) and outlet hole (1013) with through-hole (101), outlet hole (1013) run through the lateral wall of shell (1), inlet hole (1012) run through the inside wall of shell (1), inlet hole (1012) are towards the toper structure in cavity (1011); the indicating lamp lampshade (2) comprises a connecting cylinder (201) for sleeving an indicating lamp and a mounting sleeve (202) fixedly sleeved outside the connecting cylinder (201), the closed end of the connecting cylinder (201) is located in the outlet hole (1013), the open end of the connecting cylinder (201) extends into the shell (1) to form an operating part (2011), the mounting sleeve (202) and the inlet hole (1012) have the same structure, the mounting sleeve (202) is inserted into the cavity (1011) through the inlet hole (1012), and the lower end face of the mounting sleeve (202) covers the upper port of the inlet hole (1012); the mounting sleeve (202) is close to one end face of the inlet hole (1012) and is symmetrically provided with thread grooves (2021), two sides of the inlet hole (1012) are symmetrically provided with mounting holes (102), the two thread grooves (2021) and the two mounting holes (102) are arranged in a one-to-one correspondence manner, the mounting holes (102) are inserted into the shell (1) through bolts (3), and after the mounting sleeve is matched with the thread grooves (2021) and screwed, the lower end face of the mounting sleeve (202) is in excessive sealing connection with the upper end opening of the inlet hole (1012).

2. The indicator lamp mounting structure of the switching power supply adapter according to claim 1, wherein a gasket seal (4) is provided between the mounting sleeve (202) and the inlet hole (1012), one surface of the gasket seal (4) covers the lower end surface of the mounting sleeve (202), and the other surface is in interference seal connection with the upper end opening of the inlet hole (1012).

3. The indicator lamp mounting structure of a switching power adapter according to claim 1, wherein the surface of the mounting sleeve (202) is an arc convex surface (2022), and the inner wall of the inlet hole (1012) is an arc convex wall (10122).

4. The indicator lamp mounting structure of a switching power adapter according to claim 3, wherein the inner wall of the inlet hole (1012) is provided with a guide groove (10123), the outer wall of the mounting sleeve (202) is provided with a guide member (2023), and the guide member (2023) is slidably arranged in the guide groove (10123).

5. The indicator lamp mounting structure of the switching power adapter as claimed in claim 4, wherein the mounting sleeve (202) is provided with a stopper (2024) at a position of the threaded groove (2021), the stopper (2024) is inserted into the mounting hole (102), and the threaded groove (2021) penetrates through a surface of the stopper (2024).

6. The indicator lamp mounting structure of the switching power adapter according to claim 1, wherein a sealing plate (5) is movably sleeved on the operating portion (2011), a hole site (501) penetrates through the sealing plate (5), the bolt (3) penetrates through the hole site (501) and fastens the sealing plate (5) to the inner side wall of the housing (1), and the sealing plate (5) covers the inlet hole (1012).

7. The indicator lamp mounting structure of a switching power adapter according to claim 6, wherein a handle member (203) is provided at an end of the operating portion (2011) remote from the sealing plate (5).

8. The indicator lamp mounting structure of a switching power supply adapter according to claim 1, wherein a sealing ring (6) is provided between an end of the connecting cylinder (201) located in the outlet hole (1013) and the outlet hole (1013).