CN219418889U

CN219418889U - Time control switch

Info

Publication number: CN219418889U
Application number: CN202320903946.3U
Authority: CN
Inventors: 童宏伟
Original assignee: Zhejiang Lannuo Electric Appliance Co ltd
Current assignee: Zhejiang Lannuo Electric Appliance Co ltd
Priority date: 2023-04-21
Filing date: 2023-04-21
Publication date: 2023-07-25
Anticipated expiration: 2033-04-21

Abstract

The present utility model relates to a time-controlled switch. The utility model aims to solve the technical problem of providing a time control switch which is reasonable in layout and convenient to assemble. The technical scheme includes that the portable electronic device comprises a lower shell, an upper shell, a circuit board assembly, a backlight board, a screen board, wiring terminals and a button suite, wherein battery installation parts are respectively arranged at the upper end and the lower end of the upper shell, battery embedded grooves are formed in the battery installation parts, a wiring terminal placing cavity is formed between the lower end of the lower shell, a first positioning column and a second positioning column are arranged in the lower shell, the screen board is arranged below a screen display opening, and the backlight board is arranged below the screen board and props against the top of the first positioning column. The time control switch has the advantages that: the battery box and the upper shell are integrally injection molded, and the battery box and the wiring terminal are arranged separately and are not mutually interfered, so that the layout is more reasonable and the safety is higher; the backlight plate and the screen plate are fixed through the first positioning column and the circuit board extension part, so that the assembly process is further reduced, and the assembly efficiency is improved.

Description

Time control switch

Technical Field

The present utility model relates to a time-controlled switch.

Background

The time control switch is an electrical device capable of automatically switching according to preset time, and is generally used for controlling the working time of the electrical device so as to achieve the purposes of energy saving and automatic control. The prior time control switch comprises an upper shell, a lower shell, a control circuit board arranged between the upper shell and the lower shell, a wiring terminal, a screen board, a battery box and a button assembly, wherein the battery box is arranged above the wiring terminal and is unreasonable in layout, the battery is relatively close to the wiring terminal, interference is easy to generate, the safety is relatively poor, in addition, parts are relatively many, the assembly process is many, the wiring is complex, for example, the battery box is required to be assembled after outsourcing, the screen board is required to be fixed by screwing, and the like, so that the prior time control switch is required to be optimized aiming at the problems, the layout is more reasonable, the structure is compact, and the safety and the production assembly efficiency of products are improved.

Disclosure of Invention

In order to solve the problems, the utility model aims to provide the time control switch which is reasonable in layout and convenient to assemble.

The time control switch adopts the technical scheme that the time control switch comprises a lower shell, an upper shell, a circuit board assembly, a backlight board, a screen board, a wiring terminal and a button suite, wherein the circuit board assembly, the backlight board, the screen board, the wiring terminal and the button suite are arranged between the lower shell and the upper shell;

the lower shell is provided with a wiring terminal placing cavity at the lower end, a first positioning column and a second positioning column are arranged in the lower shell, the screen plate is arranged below the screen display opening, and the backlight plate is arranged below the screen plate and props against the top of the first positioning column.

The circuit board assembly comprises a first circuit board assembly and a second circuit board assembly electrically connected with the first circuit board assembly, the first circuit board assembly is electrically connected with the battery and the wiring terminal respectively, and the screen board is electrically connected with the second circuit board assembly.

The upper shell is internally provided with a key installation seat, the key installation seat is internally provided with a second circuit board installation hole and a button suite installation cavity communicated with the key hole, the button suite is arranged in the button suite installation cavity and the second circuit board assembly abuts against the bottom of the button suite, the second circuit board assembly is provided with a second circuit board fixing hole corresponding to the second circuit board installation hole, the second circuit board assembly is provided with a circuit board extension part, and the circuit board extension part abuts against the lower part of the backlight board.

The first circuit board assembly is provided with a first circuit board fixing hole and a first circuit board penetrating hole for penetrating the first positioning column, and the second positioning column is provided with a first circuit board mounting hole corresponding to the first circuit board fixing hole.

The lower shell is provided with a lower shell first positioning convex plate and a bottom shell first positioning convex plate at intervals on the left side and the right side, and an upper shell first positioning convex plate corresponding to the lower shell first positioning convex plate and an upper shell first positioning convex plate corresponding to the bottom shell first positioning convex plate are arranged at intervals on the left side and the right side of the upper shell.

The front side and the rear side of the lower shell are provided with lower shell clamping blocks, and the front side and the rear side of the upper shell are provided with shell clamping interfaces corresponding to the lower shell clamping blocks.

Screen board limiting blocks used for limiting the screen board are arranged at four corners of the screen display opening in the upper shell.

The transformer and the relay are arranged on the first circuit board assembly, and the anti-shaking protruding block for preventing the transformer and the relay from shaking is arranged in the lower shell.

The upper shell is provided with a terminal limiting plate for limiting the wiring terminal at the screw tightening hole.

The bottom of the lower shell is provided with a guide rail inserting port.

The time control switch has the advantages that: the battery box and the upper shell are integrally formed through injection molding, so that the assembly of parts is reduced, the battery box and the wiring terminal are arranged separately and are not interfered with each other, the layout is more reasonable, and the safety is higher; the backlight plate and the screen plate are fixed through the first positioning column and the circuit board extension part, the fixation is firm and convenient, the assembly procedure is further reduced, the assembly efficiency is improved, and the cost is effectively reduced.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is an exploded view of a timed switch of the present utility model;

FIG. 2 is a schematic elevational view of the upper shell of the present utility model;

FIG. 3 is a schematic view of the structure of the lower case of the present utility model;

FIG. 4 is a schematic view of a first circuit board assembly according to the present utility model;

FIG. 5 is a schematic view of a second circuit board assembly according to the present utility model;

fig. 6 is a schematic view of the back structure of the upper case of the present utility model.

Detailed Description

As shown in fig. 1 to 6, the time control switch according to the present utility model comprises a lower case 1, an upper case 2, a circuit board assembly 3 arranged between the lower case 1 and the upper case 2, a backlight board 4, a screen board 5, a wiring terminal 6 and a button set 7, wherein the upper and lower ends of the upper case 2 are respectively provided with a battery mounting part 10 and a case wiring part 11, the middle part of the upper case 2 is provided with a screen display opening 18 and a button hole 19, the battery mounting part 10 is provided with a battery embedding groove 12 for battery mounting, and the case wiring part 11 is provided with a screw tightening hole 13 corresponding to the wiring terminal 6; the lower end of the lower shell 1 is provided with a wiring terminal imbedding cavity 15 for installing the wiring terminal 6, the lower shell 1 is internally provided with a first positioning column 16 and a second positioning column 17, the screen board 5 is arranged below the screen display port 18, the backlight board 4 is arranged below the screen board 5 and props against the top of the first positioning column 16, the battery box and the upper shell are integrally formed by injection molding, the assembly of parts is reduced, the battery box and the wiring terminal are separately arranged without mutual interference, the layout is more reasonable, and the safety is higher; the backlight plate 4 and the screen plate 5 are fixed through the first positioning columns 16, so that the assembly process is further reduced, the assembly efficiency is improved, and the cost is effectively reduced.

The circuit board assembly 3 comprises a first circuit board assembly 8 and a second circuit board assembly 9 electrically connected with the first circuit board assembly 8, the second circuit board assembly 9 is arranged above the first circuit board assembly 8, the first circuit board assembly 8 is electrically connected with the battery and the wiring terminal 6 respectively, and the screen board 5 is electrically connected with the second circuit board assembly 9, so that the structure is compact and the layout is reasonable.

The upper shell 2 is internally provided with a key installation seat 24, the key installation seat 24 is internally provided with a second circuit board installation hole 25 and a button suite installation cavity 26 communicated with the key hole 19, the button suite 7 is arranged in the button suite installation cavity 26, the second circuit board assembly 9 is propped against the bottom of the button suite 7, the second circuit board assembly 9 is provided with a second circuit board fixing hole 27 corresponding to the second circuit board installation hole 25, the second circuit board assembly 9 is provided with a circuit board extension 28, the circuit board extension 28 is propped against the lower part of the backlight 4, and the backlight 4 is further fixed through the circuit board extension 28 and the first positioning column 16, so that the backlight 4 is firmly fixed and is not easy to fall.

The first circuit board assembly 8 is provided with a first circuit board fixing hole 20 and a first circuit board penetrating hole 21 for penetrating the first positioning column 16, the second positioning column 17 is provided with a first circuit board mounting hole 22 corresponding to the first circuit board fixing hole 20, and the first circuit board assembly 8 is simple and convenient to mount, accurate in positioning and firm in fixing.

The left side and the right side of the lower shell 1 are provided with a lower shell first positioning convex plate 31 and a bottom shell first positioning concave opening 32 at intervals, the left side and the right side of the upper shell 2 are provided with an upper shell first positioning concave opening 33 corresponding to the lower shell first positioning convex plate 31 and an upper shell first positioning convex plate 34 corresponding to the bottom shell first positioning concave opening 32 at intervals, and the positioning is accurate and the shell connection is tight.

The front and back sides of the lower shell 1 are provided with lower shell clamping blocks 36, and the front and back sides of the upper shell 2 are provided with shell clamping interfaces 37 corresponding to the lower shell clamping blocks 36, so that the clamping is convenient.

Screen board limiting blocks 40 used for limiting the screen board 5 are arranged in the upper shell 2 at four corners of the screen display port 18, so that the positioning of the screen board 5 is further improved, and offset is prevented.

Be equipped with transformer 41 and relay 42 on the first circuit board subassembly 8, be equipped with in the inferior valve 1 prevent transformer 41 with the anti-shake lug 44 that relay 42 rocked effectively prevents to lead to components and parts damage because outside rocks.

The upper shell 2 is provided with a terminal limiting plate 46 for limiting the wiring terminal 6 at the screw tightening hole 13, so that the contact stability of the product is improved.

The bottom of the lower shell 1 is provided with a guide rail inserting port 47, so that the installation is convenient.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a time control switch, includes inferior valve (1), epitheca (2), establishes inferior valve (1) with circuit board subassembly (3), back light plate (4), screen panel (5), binding post (6) and button external member (7) between epitheca (2), its characterized in that: the upper end and the lower end of the upper shell (2) are respectively provided with a battery mounting part (10) and a shell wiring part (11), the middle part of the upper shell (2) is provided with a screen display port (18) and a key hole (19), the battery mounting part (10) is provided with a battery embedded groove (12) for battery mounting, and the shell wiring part (11) is provided with a screw tightening hole (13) corresponding to the wiring terminal (6);

the lower shell (1) lower extreme interval is equipped with and is used for binding post (6) installation's binding post is put into chamber (15), be equipped with first reference column (16) and second reference column (17) in lower shell (1), screen board (5) are arranged in screen display mouth (18) below, backlight unit (4) are arranged in screen board (5) below and pass through first reference column (16) top supports.

2. The time-controlled switch of claim 1, wherein: the circuit board assembly (3) comprises a first circuit board assembly (8) and a second circuit board assembly (9) electrically connected with the first circuit board assembly (8), the first circuit board assembly (8) is electrically connected with the battery and the wiring terminal (6) respectively, and the screen board (5) is electrically connected with the second circuit board assembly (9).

3. A time-controlled switch as claimed in claim 2, wherein: be equipped with button mount pad (24) in epitheca (2), be equipped with second circuit board mounting hole (25) in button mount pad (24) and with communicating button external member installation cavity (26) of button hole (19), button external member (7) are arranged in button external member installation cavity (26) just second circuit board subassembly (9) support button external member (7) bottom, be equipped with on second circuit board subassembly (9) with second circuit board fixed orifices (27) corresponding to second circuit board mounting hole (25), be equipped with circuit board extension (28) on second circuit board subassembly (9), circuit board extension (28) support backlight unit (4) below.

4. A time-controlled switch as claimed in claim 2, wherein: the first circuit board assembly (8) is provided with a first circuit board fixing hole (20) and a first circuit board penetrating hole (21) used for penetrating the first positioning column (16), and the second positioning column (17) is provided with a first circuit board mounting hole (22) corresponding to the first circuit board fixing hole (20).

5. The time-controlled switch of claim 1, wherein: the lower shell (1) is provided with a lower shell first positioning convex plate (31) and a bottom shell first positioning concave opening (32) at left and right side intervals, and the upper shell (2) is provided with an upper shell first positioning concave opening (33) corresponding to the lower shell first positioning convex plate (31) and an upper shell first positioning convex plate (34) corresponding to the bottom shell first positioning concave opening (32) at left and right side intervals.

6. The time-controlled switch of claim 1, wherein: the front side and the rear side of the lower shell (1) are provided with lower shell clamping blocks (36), and the front side and the rear side of the upper shell (2) are provided with shell clamping interfaces (37) corresponding to the lower shell clamping blocks (36).

7. The time-controlled switch of claim 1, wherein: screen board limiting blocks (40) used for limiting the screen board (5) are arranged in the upper shell (2) at four corners of the screen display port (18).

8. A time-controlled switch as claimed in claim 2, wherein: be equipped with transformer (41) and relay (42) on first circuit board subassembly (8), be equipped with in inferior valve (1) prevent transformer (41) with prevent shaking lug (44) that relay (42) rocked.

9. The time-controlled switch of claim 1, wherein: the upper shell (2) is provided with a terminal limiting plate (46) for limiting the wiring terminal (6) at the screw tightening hole (13).

10. The time-controlled switch of claim 1, wherein: the bottom of the lower shell (1) is provided with a guide rail inserting port (47).