CN218072064U - Safe type voltage selector - Google Patents

Abstract

The utility model discloses a safe type voltage selector, which comprises an outer shell, circuit board and embedded shell, the both ends of shell all are provided with fixed knot and construct, the circuit board is installed to the inside bottom of shell, the connection terminal is installed to one side on circuit board top, the outside of connection terminal is provided with protective structure, the inside of shell is provided with embedded shell, the surface of embedded shell is provided with the thermovent, the inside top of embedded shell is provided with dustproof construction, dustproof construction includes positioning seat, picture peg and dust screen, the positioning seat is installed in the inside bottom of embedded shell, the inside of positioning seat is provided with the picture peg, the dust screen is installed to the inboard of picture peg. The utility model discloses a be provided with dustproof construction, install the positioning seat in the inside below of embedded shell, picture peg slidable mounting is inboard at the positioning seat, is located the below of thermovent, when dispelling the heat through the thermovent, and the existence of dust screen can prevent that debris from entering into the inside of device through the thermovent, has realized the dirt proofness when this voltage selector uses.

Description

Safe type voltage selector

Technical Field

The utility model relates to an electrical accessories technical field, in particular to safe type voltage selector.

Background

The voltage selector is an auxiliary electrical appliance device, can be used for switching input voltage and increasing the safety in use, a transformer and various filter capacitors are generally installed in the voltage selector, a plurality of groups of wiring terminals are arranged on the side surface of the voltage selector and are used for connecting circuits, and output voltage can be switched through a switching key on the surface of the device in use so as to be convenient for a user to use;

the surface of a traditional voltage selector is generally provided with a plurality of groups of heat dissipation holes for dissipating heat inside the device, but dust and impurities easily enter the inside of the device through the heat dissipation holes to affect the inside of the device, so that the traditional voltage selector needs to be improved to be more convenient to use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims at providing a safe type voltage selector for solve the general defect of dustproof effect of current voltage selector.

(II) contents of utility model

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a safe type voltage selector, includes shell, circuit board and embedded shell, the both ends of shell all are provided with fixed knot and construct, the circuit board is installed to the inside bottom of shell, the connection terminal is installed to one side on circuit board top, the outside of connection terminal is provided with protective structure, the inside of shell is provided with embedded shell, the surface of embedded shell is provided with the thermovent, the inside top of embedded shell is provided with dustproof construction, dustproof construction includes positioning seat, picture peg and dust screen, the positioning seat is installed in the inside bottom of embedded shell, the inside of positioning seat is provided with the picture peg, the dust screen is installed to the inboard of picture peg.

Preferably, protective structure includes protecting crust, mount pad and spacing groove, the protecting crust sets up in the outside of wire holder, the both sides of protecting crust all are fixed with the mount pad, one side of protecting crust is provided with the spacing groove. Can assist in protecting the wire holder.

Preferably, the limiting grooves are arranged on one side of the protective shell and distributed at equal intervals.

Preferably, the fixed knot constructs including mounting hole, gim peg and rotatory cap, the mounting hole sets up in the both ends of shell, the inside of mounting hole is provided with the gim peg, rotatory cap is installed to the one end of gim peg. The device is convenient for later-period operators to open for maintenance.

Preferably, eight groups of mounting holes are arranged at two ends of the shell, and the eight groups of mounting holes are symmetrically distributed.

Preferably, the inside of mounting hole is provided with the internal thread, the surface of gim peg is provided with the external screw thread, the mounting hole is connected through the screw thread with the gim peg.

Preferably, the cross section of the positioning seat is larger than that of the inserting plate, and the inserting plate and the positioning seat form a slidable structure.

(III) advantageous effects

The utility model provides a pair of safe type voltage selector, its advantage lies in: the dustproof structure is arranged, the positioning seat is arranged below the inner part of the embedded shell, the inserting plate is slidably arranged on the inner side of the positioning seat and is positioned below the heat radiating port, and when heat is radiated through the heat radiating port, sundries can be prevented from entering the device through the heat radiating port due to the existence of the dustproof net, so that the dustproof performance of the voltage selector during use is realized;

by arranging the protection structure, after the circuit is connected to the wire holder, an operator can install the protection shell, and the protection shell cover is arranged on the outer sides of the wire holder and the connecting circuit, so that the circuit and the wire holder can be protected in an auxiliary manner, the circuit and the wire holder are prevented from being contacted with foreign objects, and the protection performance of the voltage selector in use is realized;

through being provided with fixed knot and constructing, when later stage need be maintained the inside of device, operating personnel can twist to not hard up the gim peg at shell both ends, not hard up back, alright take off embedded shell from the inboard of shell to this alright maintain the inside of device, realized the convenience when this voltage selector is maintained.

Drawings

In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the description below are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic diagram of the three-dimensional structure of the present invention;

fig. 2 is a schematic front view of the cross-sectional structure of the present invention;

fig. 3 is a schematic diagram of the three-dimensional structure of the protective structure of the present invention;

fig. 4 is a schematic view of a partially enlarged structure at a position a in fig. 1 according to the present invention;

fig. 5 is a schematic diagram of the three-dimensional structure of the dustproof structure of the present invention.

In the figure: 1. a housing; 2. a circuit board; 3. a wire holder; 4. a protective structure; 401. a protective shell; 402. a mounting base; 403. a limiting groove; 5. a fixed structure; 501. mounting holes; 502. a fixing bolt; 503. rotating the cap; 6. an embedded shell; 7. a heat dissipation port; 8. a dust-proof structure; 801. positioning seats; 802. inserting plates; 803. and (4) a dust screen.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Example one

Referring to fig. 1-5, the present invention provides an embodiment: a safety voltage selector comprises a shell 1, a circuit board 2 and an embedded shell 6, wherein fixing structures 5 are arranged at two ends of the shell 1, the circuit board 2 is arranged at the bottom end inside the shell 1, a wire holder 3 is arranged at one side of the top end of the circuit board 2, a protective structure 4 is arranged on the outer side of the wire holder 3, the embedded shell 6 is arranged inside the shell 1, a heat dissipation port 7 is arranged on the surface of the embedded shell 6, a dustproof structure 8 is arranged at the top end inside the embedded shell 6, the dustproof structure 8 comprises a positioning seat 801, a plug board 802 and a dustproof net 803, the positioning seat 801 is arranged at the bottom end inside the embedded shell 6, the plug board 802 is arranged inside the positioning seat 801, the dustproof net 803 is arranged inside the plug board 802, the cross section of the positioning seat 801 is larger than that of the plug board 802, and the plug board 802 and the positioning seat 801 form a slidable structure;

specifically, during the use, firstly, operating personnel can be with the line connection dress on wire holder 3, inlay the surface of shell 6 and seted up thermovent 7 in, the device accessible thermovent 7 dispels the heat, inlay the inside below of shell 6 and install positioning seat 801 in, picture peg 802 slidable mounting is inboard at positioning seat 801, be located the below of thermovent 7, when dispelling the heat through thermovent 7, the existence of dust screen 803 can prevent that debris from entering into the inside of device through thermovent 7, and when later maintenance, operating personnel can take out picture peg 802 from dust screen 803 from the side, with this can clear up the debris on dust screen 803 surface.

Example two

This embodiment still includes: the protective structure 4 comprises a protective shell 401, a mounting seat 402 and a limiting groove 403, the protective shell 401 is arranged on the outer side of the wire holder 3, the mounting seat 402 is fixed on two sides of the protective shell 401, the limiting groove 403 is arranged on one side of the protective shell 401, the limiting grooves 403 are distributed at equal intervals, the fixing structure 5 comprises mounting holes 501, fixing bolts 502 and rotating caps 503, the mounting holes 501 are arranged at two ends of the shell 1, the fixing bolts 502 are arranged in the mounting holes 501, the rotating caps 503 are arranged at one ends of the fixing bolts 502, eight groups of the mounting holes 501 are arranged at two ends of the shell 1, the eight groups of the mounting holes 501 are symmetrically distributed, internal threads are arranged in the mounting holes 501, external threads are arranged on the surface of the fixing bolts 502, and the mounting holes 501 are connected with the fixing bolts 502 through threads;

specifically, during the use, along with the circuit connects back on wire holder 3, operating personnel alright install protecting crust 401, protecting crust 401 covers in the outside of wire holder 3 and interconnecting link, can assist and protect circuit and wire holder 3, avoid it to contact with the foreign object, spacing groove 403 on protecting crust 401 still can assist and carry on spacingly to the circuit, prevent that the circuit is mixed and disorderly, and simultaneously, when the later stage needs to maintain the inside of device, operating personnel can twist the gim peg 502 at shell 1 both ends to not hard up, not hard up back, alright take off embedded shell 6 from the inboard of shell 1, with this alright maintain the inside of device, after finishing maintaining, alright inlay shell 1 in the inboard of shell 1 again, and rotate gim peg 502, it can to extrude fixed shell 1 inboard.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one position, or may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (7)

1. The utility model provides a safe type voltage selector, includes shell (1), circuit board (2) and embedded shell (6), its characterized in that: the two ends of the shell (1) are respectively provided with a fixed structure (5), and the bottom end in the shell (1) is provided with a circuit board (2);

a wire holder (3) is mounted on one side of the top end of the circuit board (2), a protective structure (4) is arranged on the outer side of the wire holder (3), and an embedded shell (6) is arranged in the shell (1);

the surface of embedded shell (6) is provided with thermovent (7), the inside top of embedded shell (6) is provided with dustproof construction (8), dustproof construction (8) include positioning seat (801), picture peg (802) and dust screen (803), install in the inside bottom of embedded shell (6) positioning seat (801), the inside of positioning seat (801) is provided with picture peg (802), dust screen (803) are installed to the inboard of picture peg (802).

2. A safety type voltage selector according to claim 1, wherein: protective structure (4) include protecting crust (401), mount pad (402) and spacing groove (403), protecting crust (401) set up in the outside of wire holder (3), the both sides of protecting crust (401) all are fixed with mount pad (402), one side of protecting crust (401) is provided with spacing groove (403).

3. A safety voltage selector according to claim 2, wherein: the limiting groove (403) is provided with a plurality of limiting grooves (403) on one side of the protective shell (401), and the limiting grooves (403) are distributed at equal intervals.

4. A safety voltage selector according to claim 1, wherein: fixed knot constructs (5) including mounting hole (501), gim peg (502) and rotatory cap (503), mounting hole (501) set up in the both ends of shell (1), the inside of mounting hole (501) is provided with gim peg (502), rotatory cap (503) are installed to the one end of gim peg (502).

5. A safety type voltage selector according to claim 4, wherein: eight groups of mounting holes (501) are arranged at two ends of the shell (1), and the eight groups of mounting holes (501) are symmetrically distributed.

6. A safety voltage selector according to claim 4, wherein: the mounting hole (501) is internally provided with internal threads, the surface of the fixing bolt (502) is provided with external threads, and the mounting hole (501) is connected with the fixing bolt (502) through threads.

7. A safety type voltage selector according to claim 1, wherein: the cross section of the positioning seat (801) is larger than that of the inserting plate (802), and the inserting plate (802) and the positioning seat (801) form a slidable structure.

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