CN112885620A

CN112885620A - On-line switch convenient to fast assembly

Info

Publication number: CN112885620A
Application number: CN202110056589.7A
Authority: CN
Inventors: 吴镜清
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2021-06-01
Anticipated expiration: 2041-01-15
Also published as: CN112885620B

Abstract

The invention discloses an on-line switch convenient for quick assembly, which comprises a shell and a PCB (printed circuit board) arranged in the shell, wherein a wire slot for a wire to pass through and be connected with the PCB is formed in the shell, a PCB protective cover is further arranged in the shell, the shell comprises an upper shell and a lower shell, a containing groove matched with the PCB is formed in the upper shell, the PCB protective cover is installed in the containing groove in a buckling mode, the opening edge of the PCB protective cover is in pressing contact with the lower surface of the PCB arranged in the containing groove, a connecting terminal used for being connected with the wire is arranged on the PCB, a slot for inserting a wire core of the wire is formed in the connecting terminal, an elastic sheet for enabling the wire core to be kept in contact with the inner side wall of the slot is arranged in the slot, and a notch for exposing the. The invention improves the assembly efficiency of the PCB and the connection efficiency of the lead, improves the production efficiency of the on-line switch and reduces the labor cost of enterprises.

Description

On-line switch convenient to fast assembly

Technical Field

The invention relates to the technical field of switches, in particular to an on-line switch convenient to assemble quickly.

Background

The on-line switch is connected in series with the power line when in use, and is mainly used for controlling the switches of electronic equipment such as electric lamps, sound equipment, aromatherapy machines, purifiers and the like. The on-line switch generally includes a housing and a PCB disposed in the housing, wherein the housing is provided with a button corresponding to a key on the PCB, and two ends of the housing are provided with wire slots for a wire to pass through. When the existing on-line switch is assembled, a lead is mainly connected with a PCB in a welding mode, and the mode has higher requirement on the professional performance of workers, so that the production cost of an enterprise is increased, and the assembly efficiency of a product is low; the PCB is mainly locked in the shell through screws during assembly, so that the assembly efficiency of the structure is low, and the production cost is high; simultaneously, when using for a long time, steam, dust etc. carry out the casing from the wire casing mouth easily and contact with the PCB board, lead to electrical components on the PCB board to receive the influence, make the reliability of on-line switch reduce.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the on-line switch convenient for quick assembly, which can realize quick assembly of a PCB (printed circuit board) and quick connection of a lead, improve the assembly efficiency of the on-line switch, reduce the production cost of an enterprise and improve the reliability of the on-line switch.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an online switch convenient to fast assembly, includes the casing and locates the PCB board in the casing, be equipped with on the casing and supply the wire to pass the wire casing mouth of being connected with the PCB board, still be equipped with PCB board protective cover in the casing, the casing includes epitheca and inferior valve, be equipped with the storage tank with PCB board adaptation in the epitheca, PCB board protective cover buckle is installed in the storage tank to the opening border of PCB board protective cover supports the pressure contact with the lower surface of locating the PCB board in the storage tank, be equipped with the binding post that is used for being connected with the wire on the PCB board, the binding post shaping has the slot that supplies the sinle silk of wire to peg graft, be equipped with the shell fragment that makes the sinle silk keep conflicting with the inside wall of slot in the slot, be equipped with the scarce.

As an optimal technical scheme, the opening border of PCB board protective cover is equipped with a plurality of horizontal outside convex first fixture blocks, the lateral wall of storage tank is equipped with the first draw-in groove that corresponds with first fixture block, the PCB board protective cover is installed in the storage tank through the cooperation buckle of first fixture block and first draw-in groove.

As a preferred technical scheme, the upper shell and the lower shell are provided with wire clamping plates for clamping wires entering from a wire slot opening at the inner sides of the wire slot opening, a second clamping block protruding upwards is arranged at the edge of the opening of the lower shell, a second clamping groove corresponding to the second clamping block is arranged on the inner side wall of the upper shell, and the lower shell is connected with the upper shell in a clamping manner through the matching of the second clamping block and the second clamping groove.

As a preferable technical solution, the insertion end of the insertion slot is provided with a guide portion which expands and extends outward, and the guide portion forms a trumpet-shaped opening at the insertion end of the insertion slot.

As a preferred technical scheme, the elastic sheet is bent from the insertion end of the slot to the inner part of the slot and obliquely extends at a certain angle.

As a preferred technical scheme, the guide part and the elastic sheet are connected with the wiring terminal in an integrated forming mode.

As an optimal technical scheme, two wiring terminals are respectively arranged at two ends of the PCB, and wire notches are formed in two ends of the shell.

As a preferred technical scheme, two groups of guide plates used for guiding the inserted wires into the slots are respectively arranged at two ends, located at the containing groove, of the upper shell, each group of guide plates comprises two guide plates, the two guide plates of each group are arranged in a splayed mode from inside to outside, and one ends, close to the wire groove openings, of the two guide plates located in the middle of the two groups of guide plates at the same end are integrally formed and connected.

As a preferred technical scheme, the upper shell is provided with a button hole for placing a button, the PCB is provided with a control key, and the position of the control key corresponds to the position of the button hole during assembly.

As a preferred technical scheme, a connecting column extending downwards is arranged in the upper shell, a threaded hole is formed in the connecting column, a connecting hole corresponding to the threaded hole is formed in the lower shell, and the lower shell penetrates through the connecting hole through a screw to be screwed with the threaded hole to be fixedly connected with the upper shell.

Compared with the prior art, the PCB fixing device has the advantages and beneficial effects that the PCB protecting cover is arranged in the shell, so that the PCB protecting cover is arranged in the accommodating groove in a buckling mode, and the opening edge of the PCB protecting cover is in pressing contact with the lower surface of the PCB arranged in the accommodating groove, so that the PCB is fixed through the PCB protecting cover, screws are not required to be locked, the assembly efficiency of the PCB is improved, and the production cost of an enterprise is reduced; the slot is formed in the wiring terminal of the PCB, and the elastic sheet which enables the wire core to keep abutting against the inner side wall of the slot is arranged in the slot, so that the wire can be directly electrically connected with the PCB in an inserting mode without welding, the professional performance of workers is reduced, and the wire connection efficiency is improved; the wire biting plate is arranged on the inner side of the wire notch, so that the wire is clamped by the wire biting plate after the upper shell and the lower shell are buckled, the wire is effectively prevented from falling off in the use process, and the stability of the on-line switch is improved; the guide part is arranged at the insertion end of the insertion groove, so that the guide part forms a horn-shaped opening at the insertion end of the insertion groove, and therefore when the wire is inserted, the wire core is guided to be quickly inserted into the insertion groove, and the assembly efficiency is further improved.

To more clearly illustrate the structural features and technical means of the present invention and the specific objects and functions attained thereby, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:

drawings

FIG. 1 is an assembled structural view of an embodiment of the present invention;

FIG. 2 is an exploded view of an embodiment of the present invention;

FIG. 3 is a schematic diagram of a PCB structure according to an embodiment of the present invention;

FIG. 4 is an enlarged schematic view at A in FIG. 3;

FIG. 5 is a schematic diagram of the upper case structure of the embodiment of the present invention;

fig. 6 is a structural view of the lower case according to the embodiment of the present invention.

The attached drawings indicate the following:

10. casing 11, upper shell 111, containing groove

112. First slot 113, positioning lug 114 and step surface

115. Second clamping groove 116, connecting column 117 and wire biting plate

118. Guide plate 12, lower shell 121 and second latch

122. Connecting hole 123, wire biting plate 13 and wire slot opening

20. PCB board 21, binding post 22, location breach

23. Slot 24, spring plate 25 and guide part

30. PCB protective cover 31, first fixture block 32 and notch groove

40. Wire 41, core 50, button.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the positions or elements referred to must have specific orientations, be constructed and operated in specific orientations, and thus, are not to be construed as limiting 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, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 appropriate by those of ordinary skill in the art.

As shown in fig. 1 to 6, a high-reliability on-line switch includes a housing 10 in a rectangular parallelepiped shape, a PCB 20 and a PCB protecting cover 30 disposed in the housing 10, wherein the housing 10 includes an upper casing 11 and a lower casing 12, a receiving groove 111 adapted to the PCB 20 is disposed in the upper casing 11, the PCB protecting cover 30 is snap-mounted in the receiving groove 111, and an opening edge of the PCB protecting cover 30 is in contact with a lower surface of the PCB 20 disposed in the receiving groove 111. The upper case 11 is provided with a button hole for placing the button 50, the PCB board 20 is provided with a control key, and the position of the control key corresponds to the position of the button hole during assembly. The both ends of PCB board 20 respectively are equipped with two binding post 21 that are used for being connected with wire 40, the both ends of PCB board protective cover 30 all are equipped with the scarce groove 32 that supplies binding post 21 to expose, the both ends of casing 10 all are equipped with and supply the wire to pass the wire casing mouth 13 of being connected with PCB board 20.

Specifically, the opening edge of the PCB protective cover 30 is provided with a plurality of first fixture blocks 31 protruding outward in the transverse direction, the side wall of the accommodating groove 111 is provided with first clamping grooves 112 corresponding to the first fixture blocks 31, and the PCB protective cover 30 is installed in the accommodating groove 111 through the cooperation of the first fixture blocks 31 and the first clamping grooves 112. In the invention, six first fixture blocks 31 are arranged, and the six first fixture blocks 31 are symmetrically distributed on two sides of the opening of the PCB protective cover 30. The PCB board 20 is provided with a positioning notch 22, the upper case 11 is provided with a positioning protruding board 113 protruding into the accommodating groove 111, and the positioning protruding board 113 is embedded in the positioning notch 22 of the PCB during assembly. The upper case 11 is provided with a limiting plate protruding into the receiving groove 111, one side of the limiting plate facing the center of the receiving groove 111 is provided with a step surface 114 for supporting the PCB 20, and when the PCB is assembled, the edge of the upper surface of the PCB 20 is attached to the step surface 114, so that a certain distance is maintained between the upper surface of the PCB 20 and the upper case 11, and the PCB 20 obtains a larger heat dissipation space.

In the invention, the opening edge of the lower shell 12 is provided with a second clamping block 121 protruding upwards, the inner side wall of the upper shell 11 is provided with a second clamping groove 115 corresponding to the second clamping block 121, and the lower shell 12 is connected with the upper shell 11 in a buckling manner through the matching of the second clamping block 121 and the second clamping groove 115. In order to improve the connection stability, a connection column 116 extending downwards is arranged in the upper shell 11, a threaded hole is formed in the connection column 116, a connection hole 122 corresponding to the threaded hole is formed in the lower shell 12, and the lower shell 12 penetrates through the connection hole 122 through a screw to be screwed with the threaded hole to be fixedly connected with the upper shell 11.

The wiring terminal 21 is formed with a slot 23 for inserting the wire core 41 of the wire 40, and the slot 23 is internally provided with an elastic sheet 24 which makes the wire core 41 keep abutting against the inner side wall of the slot 23. The insertion end of the insertion slot 23 is provided with a guide part 25 which expands and extends outwards. In the invention, the elastic sheet 24 is bent from the bottom side of the insertion end of the insertion slot 23 to the inside of the insertion slot 23 and obliquely extends at a certain angle, the guide parts 25 are distributed on the left side, the right side and the upper side of the insertion end of the insertion slot 23, the guide parts 25 form a horn-shaped opening at the insertion end of the insertion slot 23, and the guide parts 25 and the elastic sheet 24 are integrally connected with the wiring terminal 21. The upper shell 11 and the lower shell 12 are provided with line biting plates (117, 123) for clamping the wires entering from the line slot opening 13 at the inner side of the line slot opening 13. Two groups of guide plates 118 for guiding the inserted lead 40 into the slot 23 are respectively arranged at two ends of the upper shell 11 located in the accommodating groove 111, each group comprises two guide plates 118, the two guide plates 118 of each group are arranged in a splayed shape from inside to outside, and one ends of the two guide plates 118 located in the middle of the two groups of guide plates 118 at the same end and close to the wire notch 13 are integrally formed and connected.

In summary, the PCB protective cover is arranged in the shell, so that the PCB protective cover is arranged in the accommodating groove in a buckling mode, and the opening edge of the PCB protective cover is in abutting contact with the lower surface of the PCB arranged in the accommodating groove, so that the PCB is fixed through the PCB protective cover without locking screws, the assembly efficiency of the PCB is improved, and the production cost of an enterprise is reduced; the slot is formed in the wiring terminal of the PCB, and the elastic sheet which enables the wire core to keep abutting against the inner side wall of the slot is arranged in the slot, so that the wire can be directly electrically connected with the PCB in an inserting mode without welding, the professional performance of workers is reduced, and the wire connection efficiency is improved; the wire biting plate is arranged on the inner side of the wire notch, so that the wire is clamped by the wire biting plate after the upper shell and the lower shell are buckled, the wire is effectively prevented from falling off in the use process, and the stability of the on-line switch is improved; the guide part is arranged at the insertion end of the insertion groove, so that the guide part forms a horn-shaped opening at the insertion end of the insertion groove, and therefore when the wire is inserted, the wire core is guided to be quickly inserted into the insertion groove, and the assembly efficiency is further improved.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the present invention, so that any modifications, equivalents, improvements, etc. made to the above embodiment according to the present invention are within the scope of the present invention.

Claims

1. The utility model provides an online switch convenient to fast assembly, includes the casing and locates the PCB board in the casing, be equipped with on the casing and supply the wire to pass the line notch of being connected with the PCB board, its characterized in that: still be equipped with the PCB board protective cover in the casing, the casing includes epitheca and inferior valve, be equipped with the storage tank with PCB board adaptation in the epitheca, PCB board protective cover buckle is installed in the storage tank to the opening border of PCB board protective cover supports the pressure contact with the lower surface of locating the PCB board in the storage tank, be equipped with the binding post that is used for being connected with the wire on the PCB board, the binding post shaping has the slot that supplies the sinle silk grafting of wire, be equipped with the shell fragment that makes the sinle silk keep conflicting with the inside wall of slot in the slot, be equipped with the scarce groove that supplies the binding post to expose on the PCB board protective cover.

2. A high reliability on-line switch as claimed in claim 1, wherein: the opening border of PCB board protective cover is equipped with a plurality of horizontal outside convex first fixture blocks, the lateral wall of storage tank is equipped with the first draw-in groove that corresponds with first fixture block, the PCB board protective cover is installed in the storage tank through the cooperation buckle of first fixture block and first draw-in groove.

3. An on-line switch facilitating quick assembly according to claim 1, wherein: the inner sides of the upper shell and the lower shell, which are positioned in the wire slot openings, are provided with wire clamping plates for clamping wires entering from the wire slot openings, the edge of an opening of the lower shell is provided with a second clamping block protruding upwards, the inner side wall of the upper shell is provided with a second clamping groove corresponding to the second clamping block, and the lower shell is in clamping connection with the upper shell through the matching of the second clamping block and the second clamping groove.

4. An on-line switch facilitating quick assembly according to claim 1, wherein: the inserting end of the slot is provided with a guide part which expands outwards, and the guide part forms a horn-shaped opening at the inserting end of the slot.

5. An on-line switch to facilitate quick assembly according to claim 4, wherein: the elastic sheet is bent from the insertion end of the slot to the inside of the slot and obliquely extends at a certain angle to form the elastic sheet.

6. An on-line switch to facilitate quick assembly according to claim 5, wherein: the guide part and the elastic sheet are connected with the wiring terminal in an integrated manner.

7. An on-line switch facilitating quick assembly according to claim 1, wherein: two ends of the PCB are respectively provided with two wiring terminals, and two ends of the shell are respectively provided with a wire notch.

8. An on-line switch to facilitate quick assembly as claimed in claim 7, wherein: the both ends that the epitheca is located the storage tank are equipped with two sets of deflectors that are used for guiding the male wire to the slot respectively, and every group all includes two deflectors, and two deflectors of every group are the splayed setting from inside to outside, and the one end integrated into one piece that is close to the wire notch of two deflectors in the middle of lieing in two sets of deflectors of same end connects.

9. A high reliability on-line switch as claimed in claim 1, wherein: the PCB board is provided with a control key, and the control key corresponds to the button hole in position during assembly.

10. An on-line switch facilitating quick assembly according to claim 1, wherein: the improved multifunctional umbrella is characterized in that a connecting column extending downwards is arranged in the upper shell, a threaded hole is formed in the connecting column, a connecting hole corresponding to the threaded hole is formed in the lower shell, and the lower shell penetrates through the connecting hole through a screw to be screwed with the threaded hole to be fixedly connected with the upper shell.