CN217086413U

CN217086413U - On-line switch

Info

Publication number: CN217086413U
Application number: CN202220812949.1U
Authority: CN
Inventors: 鲁绍洪
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2022-07-29
Anticipated expiration: 2032-04-08

Abstract

An on-line switch relates to the technical field of switches. It contains casing, circuit board, switch and wire, be provided with the confession on the casing the mounting hole that the wire was worn to establish, be provided with the annular spacing groove of a plurality of on the lateral wall of mounting hole, the cover is established in the mounting hole the wire is provided with waterproof stopper, waterproof stopper and integrative setting of wire, be provided with on the waterproof stopper surface a plurality of with the annular bead of spacing groove joint. And the waterproof plug and the lead are subjected to injection molding. Every the inboard wall of mounting hole is provided with three spacing groove side by side, every the waterproof stopper lateral wall is provided with three bead side by side. One end of the lead is welded with the circuit board. Adopt above-mentioned technical scheme to have and realize multiple waterproof effect, promote tensile ability between wire and the circuit board simultaneously, easy to assemble is fit for the outdoor advantage of using.

Description

On-line switch

Technical Field

The utility model relates to the technical field of switches, concretely relates to online switch.

Background

As is known, switches can be used in many fields for controlling the opening or closing functions of the relevant devices, while switches in the electrical field are particularly important; the system is mainly applied to an electric power system and plays roles in power generation, power transmission, power distribution, electric energy exchange, safety control, protection and the like.

Traditional online switch includes casing and circuit board usually, casing under the casing right side and constitute with the last casing of casing lock down, the circuit board is fixed in the space that casing and casing enclose down in, be provided with two through wires holes on the casing, the through wires hole is worn to establish by the electric wire tip and circuit board carries out electric connection, in the use, liquid flows into in the casing and leads to the potential safety hazard that the user electrocuted from the clearance between electric wire and the casing easily, simultaneously because the effect of external force, the electric wire is not hard up and lead to contact failure with the circuit board easily, therefore, need improve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's defect with not enough, provide an online switch, have and realize multiple waterproof effect, promote tensile ability between wire and the circuit board simultaneously, easy to assemble is fit for the advantage of outdoor use.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides an on-line switch, includes casing, circuit board, switch and wire, be provided with the confession on the casing the mounting hole that the wire was worn to establish, be provided with the annular spacing groove of a plurality of on the lateral wall in the mounting hole, the cover is established in the mounting hole the wire is provided with waterproof stopper, waterproof stopper and the integrative setting of wire, be provided with on the waterproof stopper surface a plurality of with the annular bead of spacing groove joint.

And the waterproof plug and the lead are subjected to injection molding.

Every the inboard wall of mounting hole is provided with three spacing groove side by side, every the waterproof stopper lateral wall is provided with three bead side by side.

One end of the lead is welded with the circuit board.

The shell comprises a bottom shell and a face shell, the bottom shell and the face shell are fastened and fixed, a plurality of bearing parts are arranged on two corresponding sides in the bottom shell, the circuit board is placed on the bearing parts, and a plurality of abutting pieces capable of abutting the circuit board on the bearing parts are arranged on the inner side of the face shell.

The circuit board is provided with limiting holes in one-to-one correspondence with the abutting parts, and the end part of each abutting part is provided with a limiting part capable of being connected with the limiting holes in an inserting mode.

The bottom shell is internally provided with a plurality of fixed columns on the outer side of the circuit board, the inner side wall of the face shell is provided with plug connectors in one-to-one correspondence with the fixed columns, the fixed columns are provided with insertion grooves, and the plug connectors are inserted into the insertion grooves.

The upside inward flange downwardly extending of drain pan lateral wall has the ladder groove, the downside inward flange downward protrusion of face-piece lateral wall be provided with can with the ladder step of groove butt.

After the technical scheme is adopted, the utility model discloses beneficial effect does: when the switch is assembled on the line, a lead injection molded with a waterproof plug, a circuit board with a switch, a face shell with a through hole for the switch to penetrate through, and a bottom shell are prepared, the lead is welded with a conductive contact corresponding to the circuit board, the circuit board is placed on a bearing part of the bottom shell, then the waterproof plug is clamped in a half mounting hole on the bottom shell, so that convex edges on the waterproof plug are clamped in a limiting groove of the mounting hole one by one, then the face shell is covered on the bottom shell, a butting part is butted with the circuit board, meanwhile, a limiting part is spliced with the limiting hole, a plug connector is spliced with a splicing groove, a step part is spliced with a stepped groove, a half mounting hole of the face shell is connected with a half mounting hole on the bottom shell to form a complete ring, the convex edge on the waterproof plug is spliced with the limiting groove on the face shell, under the mutual covering effect of the face shell and the bottom shell, the waterproof plug is tightly pressed in the mounting groove and the limiting groove, thereby realize multiple waterproof effect, promote tensile ability between wire and the circuit board simultaneously, easy to assemble is fit for outdoor use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the waterproof plug of the present invention separated from the housing;

fig. 3 is a schematic structural view of the present invention showing the separation of the face shell from the pressing cap and the bottom shell of the switch;

FIG. 4 is a schematic view of the structure of FIG. 3 in another orientation;

fig. 5 is an exploded schematic view of the present invention;

fig. 6 is a schematic view of the structure in the other direction of fig. 5.

Description of reference numerals: 1. a housing; a. a mounting cavity; 11. a bottom case; 111. a bearing part; 112. fixing a column; 12. a face shell; 121. an abutting member; 122. a limiting member; 123. a plug-in unit; 124. a step portion; 2. a circuit board; 3. a switch; 4. a wire; b. mounting holes; c. a limiting groove; 5. a waterproof plug; 51. a rib; d. a limiting hole; e. inserting grooves; f. a stepped groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment as required without making a contribution, but all the embodiments are protected by the patent law within the scope of the claims of the present invention.

The embodiment relates to an on-line switch, as shown in fig. 1-3, which includes a housing 1, a circuit board 2, a switch 3 and a wire 4, wherein the housing 1 includes a bottom shell 11 and a face shell 12, the bottom shell 11 and the face shell 12 are fastened and fixed, as shown in fig. 4, 5 and 6, a plurality of bearing parts 111 are disposed on two corresponding sides in the bottom shell 11, and the circuit board 2 is placed on the bearing parts 111, so that the circuit board 2 is prevented from being heated and the service life of the circuit board 2 is shortened due to the large-area attachment of the circuit board 2 to the housing 1. The inner side of the face shell 12 is provided with a plurality of abutting pieces 121 capable of abutting the circuit board 2 on the bearing part 111, and the effect of preventing the circuit board 2 from directly contacting the face shell 12 and preventing the circuit board 2 from moving up and down in the shell 1 is achieved. The number of the bearing parts 111 is 3, 4, 5, 6 or 8, the number of the abutting pieces 121 is 2-4, and the bearing parts 111 and the abutting pieces 121 are respectively integrally formed with the bottom shell 11 and the face shell 12. In this embodiment, as shown in fig. 4 and 5, a mounting cavity a is defined between the bottom case 11 and the face case 12, the supporting portion 111 and the abutting member 121 are both located in the mounting cavity a, and the switch 3 is disposed on the face case 12 in a penetrating manner and electrically connected to the circuit board 2. As shown in fig. 2 and 3, a mounting hole b is formed in the housing 1, the wire 4 penetrates through the mounting hole b and is electrically connected with the circuit board 2, a plurality of annular limiting grooves c are formed in the inner side wall of the mounting hole b, the wire 4 is provided with a waterproof plug 5 in the mounting hole b in a sleeved mode, and the waterproof plug 5 is arranged to prevent external moisture from entering the mounting cavity a from a gap between the wire 4 and the mounting hole b to cause contact danger or short circuit of the circuit board 2 to damage the circuit board 2. The outer surface of the waterproof plug 5 is provided with a plurality of annular convex ribs 51 connected with the limiting grooves c in a clamped mode, the limiting grooves c correspond to the convex ribs 51 one to one, the limiting grooves c in the mounting holes b and the convex ribs 51 on the waterproof plug 5 are all 3, the situation that external liquid enters the mounting cavity a from a gap between the waterproof plug 5 and the mounting holes b is further prevented, and meanwhile the waterproof plug 5 is stably mounted in the mounting holes b is achieved. Waterproof stopper 5 sets up and gapless between wire 4 and the waterproof stopper 5 with wire 4 is integrative, and waterproof stopper 5 sets up with wire 4 is integrative avoids outside liquid to enter into installation cavity an from the clearance between wire 4 and the waterproof stopper 5, increases the tensile energy between wire 4 and the circuit board 2 simultaneously, transmits the pulling force of part direction on casing 1 through waterproof stopper 5. In the present embodiment, in order to avoid the poor contact caused by the loose between the wires 4 and the circuit board 2, one end of the wire 4 is soldered to the circuit board 2.

Preferably, in order to prevent the wire 4 from passing through the waterproof plug 5, the wire 4 does not need to be manually inserted into the waterproof plug 5, so that a gap exists between the waterproof plug 5 and the wire 4, and the tensile energy between the wire 4 and the circuit board 2 is improved, the waterproof plug 5 and the wire 4 are injection molded. It should be noted that, after the wire 4 is prepared, the waterproof plug 5 is formed by directly injecting the plastic on the wire 4 through an injection molding process, so that the waterproof plug 5 is fixed on the wire 4 without a gap therebetween.

Preferably, the waterproof plug 5 is arranged to increase the tensile strength between the waterproof plug and the housing 1 while further preventing liquid from entering the installation cavity a. Three limiting grooves c are arranged in parallel on the inner side wall of each mounting hole b, three convex ribs 51 are arranged in parallel on the outer side wall of each waterproof plug 5, and the outer diameter of the convex rib 51 positioned in the middle is smaller than that of the convex ribs 51 on the two sides of the waterproof plug 5. In other embodiments, each mounting hole b is provided with 2 or 4 limiting grooves c, and each water plug outer side wall is provided with 2 or 4 protruding ribs 51, so that multiple waterproof effects of the waterproof plug 5 are achieved while the tensile capacity of the waterproof plug 5 relative to the shell 1 is increased.

Preferably, as shown in fig. 2 to 4, in order to stably place the circuit board 2 in the installation cavity a of the housing 1, the circuit board 2 is provided with limiting holes d corresponding to the abutting members 121 one by one, and the end of each abutting member 121 is provided with a limiting member 122 capable of being inserted into the limiting hole d, so as to prevent the circuit board 2 from moving back and forth and/or left and right in the installation cavity a. The limiting member 122 and the abutting member 121 are integrally formed. In this embodiment, two limiting holes d are provided, and the two limiting holes d are disposed on the front and back sides or the left and right sides of the circuit board 2 and are located on the central line of the circuit board 2 in the length direction or the width direction.

Preferably, as shown in fig. 3 to 5, in order to fasten the bottom case 11 and the face case 12 to form the housing 1, a plurality of fixing posts 112 are disposed inside the bottom case 11 and outside the circuit board 2, plug connectors 123 corresponding to the fixing posts 112 are disposed on the inner side wall of the face case 12, plug slots e are disposed on the fixing posts 112, and the plug connectors 123 are plugged with the plug slots e. In this embodiment, the plug 123 on the face casing 12 is in transition fit with the plug groove e on the bottom casing 11, and the fixing post 112 and the plug 123 are respectively integrally formed with the bottom casing 11 and the face casing 12, in other embodiments, the plug 123 is located on the bottom casing 11, and the fixing post 112 is located on the face casing 12. In the present embodiment, in order to prevent external liquid from entering the housing 1 from the gap between the bottom case 11 and the face case 12, the upper inner edge of the sidewall of the bottom case 11 is extended downward with a stepped groove f, and the lower inner edge of the sidewall of the face case 12 is provided with a stepped portion 124 protruding downward to be able to abut against the stepped groove f. In some embodiments, at least one fixing post 112 and at least one plug 123 are disposed in both the front shell 12 and the bottom shell 11, one fixing post 112 and one plug 123 are disposed on the bottom shell 11, and the fixing post 112 and the plug 123 on the bottom shell 11 are located diagonally outside the circuit board 2. The casing 1 and the circuit board 2 are rectangular, and the casing 1 and the circuit board 2 can be triangular, circular, elliptical or pentagonal, etc.

The working principle of the utility model is as follows: when the switch on the assembly line is switched, the wire 4 with the waterproof plug 5, the circuit board 2 with the switch 3, the face shell 12 and the bottom shell 11 with the through hole for the switch 3 to penetrate through are prepared, then the wire 4 is welded with the conductive contact corresponding to the circuit board 2, then the circuit board 2 is placed on the bearing part 111 of the bottom shell 11, then the waterproof plug 5 is clamped in the half mounting hole b on the bottom shell 11, so that the convex ribs 51 on the waterproof plug 5 are clamped in the limiting grooves c of the mounting holes b one by one, then the face shell 12 is covered on the bottom shell 11, so that the abutting part is abutted against the circuit board 2, the limiting part 122 is inserted into the limiting hole d, the plug connector 123 is inserted into the insertion groove e, the stepped part 124 is inserted into the stepped groove f, the half mounting hole b of the face shell 12 is connected with the half mounting hole b on the bottom shell 11 to form a complete ring shape, the convex ribs 51 on the waterproof plug 5 are inserted into the limiting grooves c on the face shell 12, under the effect that face-piece 12 and drain pan 11 each other approximately closed for waterproof plug 5 is compressed tightly in mounting groove and spacing inslot c, thereby realizes multiple waterproof effect, promotes tensile ability between wire 4 and the circuit board 2 simultaneously, and easy to assemble is fit for outdoor use.

The above description is only for the purpose of illustration and not limitation, and other modifications or equivalent replacements made by those skilled in the art to the technical solution of the present invention should be covered by the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides an online switch, includes casing (1), circuit board (2), switch (3) and wire (4), be provided with the confession on casing (1) mounting hole (b) that wire (4) were worn to establish, a serial communication port, be provided with annular spacing groove (c) of a plurality of on mounting hole (b) inside wall, in mounting hole (b) and the cover establish wire (4) are provided with waterproof stopper (5), waterproof stopper (5) and wire (4) an organic whole set up, be provided with on waterproof stopper (5) surface a plurality of with annular bead (51) of spacing groove (c) joint.

2. An on-line switch according to claim 1, characterized in that the waterproof plug (5) is injection molded with the wire (4).

3. The on-line switch of claim 2, characterized in that, three limiting grooves (c) are arranged in parallel on the inner side wall of each mounting hole (b), and three convex ribs (51) are arranged in parallel on the outer side wall of each waterproof plug (5).

4. An in-line switch according to any of claims 1 to 3, characterised in that one end of the conductor (4) is soldered to the circuit board (2).

5. The on-line switch according to claim 4, wherein the housing (1) comprises a bottom shell (11) and a face shell (12), the bottom shell (11) and the face shell (12) are fastened and fixed, a plurality of bearing portions (111) are arranged on two corresponding sides in the bottom shell (11), the circuit board (2) is placed on the bearing portions (111), and a plurality of abutting pieces (121) capable of abutting the circuit board (2) on the bearing portions (111) are arranged on the inner side of the face shell (12).

6. The on-line switch according to claim 5, wherein the circuit board (2) is provided with limiting holes (d) corresponding to the abutting members (121) one by one, and the end of each abutting member (121) is provided with a limiting member (122) capable of being inserted into the limiting hole (d).

7. The on-line switch according to claim 6, wherein a plurality of fixing posts (112) are disposed in the bottom case (11) and outside the circuit board (2), the inner side wall of the face case (12) is provided with plug connectors (123) corresponding to the fixing posts (112) one by one, the fixing posts (112) are provided with insertion slots (e), and the plug connectors (123) are inserted into the insertion slots (e).

8. The on-line switch of claim 7, wherein the upper inner edge of the sidewall of the bottom case (11) is extended downward with a stepped groove (f), and the lower inner edge of the sidewall of the face case (12) is protruded downward with a stepped portion (124) capable of abutting against the stepped groove (f).