CN212516954U

CN212516954U - Travel switch and connecting structure

Info

Publication number: CN212516954U
Application number: CN202020914385.3U
Authority: CN
Inventors: 胡钱波; 毛犇; 赖济民; 余挺; 周冉冉; 高鹏强; 丁小燕; 喻臻翔; 张腾飞
Original assignee: Ningbo Sanxing Electric Co Ltd
Current assignee: Ningbo Sanxing Electric Co Ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-02-09
Anticipated expiration: 2030-05-26

Abstract

The utility model relates to a travel switch and a connecting structure, the travel switch comprises a body, a first end of which is provided with a connecting port for connecting a battery, and a second end of which is provided with a pin for electrically connecting with a circuit board; the connecting column is arranged at the second end of the body and is arranged at intervals with the pins, a convex part is arranged on the outer peripheral wall of the connecting column, and a limiting space for limiting the circuit board is formed between the convex part and the body; the method is characterized in that: the number of the connecting columns is at least three, and the connecting columns are arranged on the periphery of the pins at intervals along the circumferential direction. The three connecting columns are arranged around the pins, so that the stability of the travel switch is improved, and the possibility of the travel switch shaking in the background technology is reduced; the detachable installation plug-in unit in the slotted hole of spliced pole is favorable to increasing the interval between the adjacent flexure strip in each spliced pole, has increased the flexure strip and has waited the area of contact between the installation circuit board, and convex part and circuit board joint to the fastness of travel switch and circuit board connection has been improved.

Description

Travel switch and connecting structure

Technical Field

The utility model belongs to the technical field of the switch, concretely relates to a travel switch and connection structure for on electric energy meter.

Background

The travel switch is a component used on a battery box of the electric meter, and two ends of the travel switch are respectively used for connecting the battery box and a PCB in the electric energy meter, so that the battery in the battery box supplies power to the PCB, and the electric energy meter works.

Like chinese utility model patent "a travel switch", its patent number is ZL201821620390.2 (the grant bulletin number is CN208706468U) discloses a travel switch, which comprises a body, the one end of body be equipped with the jack that the inserted sheet on the battery box was pegged graft, the other end is equipped with the connection piece (contact pin) that supplies the PCB board to connect the other end of body still be equipped with two spliced poles, the spliced pole be located the both sides of connection piece. Travel switch passes through the spliced pole to be installed on the PCB board, in the above-mentioned patent, travel switch adopts two spliced poles fixed PCB boards, but two spliced poles are fixed insecure, and travel switch is rocked easily to will lead to the connection piece fracture.

Therefore, further improvements to existing travel switches are needed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the first technical problem that will solve is to the current situation of above-mentioned prior art, provides a travel switch that the structure is firm.

The utility model discloses the second technical problem that will solve provides travel switch and circuit board and is connected firm travel switch's connection structure.

The utility model provides a technical scheme that above-mentioned first technical problem adopted does: a travel switch comprises

The first end of the body is provided with a connector for connecting a battery, and the second end of the body is provided with a pin for electrically connecting the circuit board;

the connecting column is arranged at the second end of the body and is arranged at intervals with the pins, a convex part is arranged on the outer peripheral wall of the connecting column, and a limiting space for limiting the circuit board is formed between the convex part and the body;

the method is characterized in that: the number of the connecting columns is at least three, and the connecting columns are arranged on the periphery of the pins at intervals along the circumferential direction.

In order to facilitate the insertion of the follow-up travel switch, the connecting column is provided with a slotted hole extending along the length direction of the connecting column, and the connecting column is divided into the elastic pieces by the slotted hole.

Preferably, each connecting column is provided with a slotted hole, the slotted hole of each connecting column extends outwards laterally to separate the corresponding connecting column into two elastic sheets, the two connecting columns are arranged oppositely, and the lateral extending directions of the slotted holes of the two connecting columns are consistent.

Preferably, the connecting columns are three, and the lateral extending direction of the slotted hole of the other connecting column is basically perpendicular to the lateral extending direction of the slotted holes of the other two connecting columns. So, when follow-up and the circuit board of treating the installation are connected, travel switch's circumference offsets with the circuit board, realizes the steadiness of follow-up installation.

In order to prevent the travel switch mounted on the subsequent circuit board from shaking easily to cause the breaking of the pins, a plug-in unit for expanding each elastic sheet outwards is detachably connected in the slot hole.

The plug-in components have various structural forms, can adopt a U-shaped structure, can also adopt the form of an inserting plate, and can also adopt other structural forms, but preferably, the plug-in components are basically U-shaped and comprise a middle plate inserted in the slotted holes and side plates positioned at two sides of the middle plate, and the two side plates are respectively positioned at two sides of the slotted holes.

In order to conveniently contain the plug-in, the body is provided with a containing groove for containing the plug-in. Thus, when the plug-in unit is needed to be used, the plug-in unit is taken out of the containing groove, and the loss of the plug-in unit is prevented.

In order to limit the plug-in unit, a clamping block for limiting the movement of the plug-in unit is arranged in the accommodating groove.

Preferably, the cross section of the body is rectangular, and the two pins are arranged at intervals along the length direction of the rectangle.

The utility model provides a technical scheme that above-mentioned second technical problem adopted does: a connection structure of foretell travel switch, its characterized in that: the pin inserting device comprises a circuit board, wherein the circuit board is provided with a jack for the local insertion of the connecting column and a mounting hole for the insertion of the pin, and the circuit board is positioned in the limiting space under the state that the connecting column is inserted into the jack and the pin is inserted into the mounting hole.

Compared with the prior art, the utility model has the advantages of: the travel switch has three connecting columns which are arranged around the pin, so that the stability of the travel switch is improved, and the possibility of shaking of the travel switch in the background technology is reduced; the detachable installation plug-in is in the slotted hole of travel switch's spliced pole, is favorable to increasing the interval between the adjacent flexure strip in each spliced pole, has increased the flexure strip and has waited the area of contact between the installation circuit board, and convex part and circuit board joint to the fastness of travel switch and circuit board connection has been improved.

Drawings

FIG. 1 is a schematic diagram of a connection structure between a travel switch and a circuit board in the present embodiment;

FIG. 2 is a schematic view of the structure of FIG. 1 from another angle;

FIG. 3 is a cross-sectional view of FIG. 1;

FIG. 4 is a schematic perspective exploded view of FIG. 1;

FIG. 5 is a schematic structural view of the travel switch of FIG. 1;

fig. 6 is a schematic view of the structure of fig. 5 at another angle.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 6, the connection structure of the travel switch according to the embodiment of the present invention includes a travel switch and a circuit board 3.

As shown in fig. 5 and 6, the travel switch includes a body 1 and a plug-in unit 2, the cross section of the body 1 is rectangular, the upper end of the body 1 is provided with two connectors 11 for connecting a battery, the connectors 11 are arranged at intervals along the length direction of the rectangle, the lower end of the body 1 is provided with two pins 12 for electrically connecting with the circuit board 3, and the pins 12 are arranged at intervals along the length direction of the rectangle. As shown in fig. 2, the lower end of the body 1 is provided with at least three connecting posts 13 extending downward, in this embodiment, there are three connecting posts 13 and the connecting posts 13 are circumferentially spaced around the periphery of the pins 12.

The structure of 3 connecting columns 13 in this embodiment is the same, and the structure of one connecting column 13 is taken as an example below.

As shown in fig. 4 to 6, the connecting column 13 is formed with a slot 131 extending along the length direction thereof, and the slot 131 of the connecting column 13 extends laterally outward to separate the corresponding connecting column 13 into two elastic pieces 132. As shown in fig. 2, the two connecting posts 13 on the left side are oppositely arranged, the lateral outward extending directions of the slots 131 of the two connecting posts 13 are consistent, and the lateral outward extending direction of the slot 131 of the other connecting post 13 is substantially perpendicular to the lateral outward extending directions of the slots 131 of the other two connecting posts 13. As shown in fig. 2, the slot 131 is detachably connected with the insert 2 for expanding each corresponding elastic piece 132 outward. The plug-in unit 2 is substantially U-shaped, and includes a middle plate 21 inserted into the slot 131 and side plates 22 located at two sides of the middle plate 21, the two side plates 22 are connected to two ends of the middle plate 21 in the length direction, the two side plates 22 are located at two sides of the slot 131, respectively, and the lateral extension direction of each slot 131 is the length direction of the middle plate 21. In addition, in order to accommodate the plug-in unit 2 conveniently, the body 1 is provided with an accommodating groove 15 for accommodating the plug-in unit 2, and a fixture block 151 for limiting the movement of the plug-in unit 2 is disposed in the accommodating groove 15.

In order to realize the installation of the travel switch, the body 1 of the travel switch is located above the circuit board 3, the circuit board 3 is provided with an insertion hole 31 for inserting the elastic sheet 132 of the connection column 13 and a mounting hole 32 for inserting the pin 12, the outer wall of each elastic sheet 132 is provided with a convex part 133, and a limit space 14 for limiting the circuit board 3 is formed between the convex part 133 and the body 1. In a state that the elastic piece 132 of the connection post 13 is inserted into the insertion hole 31 and the pin 12 is inserted into the mounting hole 32, the circuit board 3 is located in the limiting space 14, and the upper surfaces of the convex portion 133 and the side plate 22 are all abutted against the lower surface of the circuit board 3, as shown in fig. 2 and 3.

When the travel switch needs to be mounted on the circuit board, the elastic piece 132 of the travel switch is inserted into the insertion hole 31, the pin 12 is inserted into the mounting hole 32, then the middle plate 21 of the plug-in unit 2 is inserted into the slot 131 between the two elastic pieces 132 to expand the two elastic pieces 132, at this time, the convex part 133 of the elastic piece 132 and the side plate 22 of the plug-in unit 2 are both abutted against the lower surface of the circuit board 3, and the difficulty of separating the connecting column from the insertion hole 31 is increased.

Directional terms such as "upper", "lower", "left", "right", "side", "top", "bottom", and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the present invention, but are used herein for convenience of description only and are determined based on example orientations shown in the drawings. Because the disclosed embodiments may be arranged in different orientations, these directional terms are for illustrative purposes only and should not be construed as limiting, and for example, "upper" and "lower" are not necessarily limited to orientations opposite or consistent with the direction of gravity.

Claims

1. A travel switch comprises

A body (1), wherein a first end of the body is provided with a connecting port (11) for connecting a battery, and a second end of the body is provided with a pin (12) for electrically connecting with a circuit board (3);

the connecting column (13) is arranged at the second end of the body (1), the connecting column (13) is provided with at least two elastic sheets (132) which are inserted into the insertion holes (31) of the circuit board (3), the outer wall of each elastic sheet (132) is provided with a convex part (133), and a limiting space (14) for limiting the circuit board (3) is formed between each convex part (133) and the body (1);

the method is characterized in that: the number of the connecting columns (13) is at least three, and the connecting columns are arranged on the periphery of the pins (12) at intervals along the circumferential direction.

2. The travel switch of claim 1, wherein: slotted holes (131) extending along the length direction of the connecting column (13) are formed in the connecting column (13), and the connecting column (13) is divided into the elastic pieces (132) by the slotted holes (131).

3. The travel switch of claim 2, wherein: each connecting column (13) is provided with a slotted hole (131), the slotted hole (131) of each connecting column (13) extends outwards laterally to separate the corresponding connecting column (13) into two elastic sheets (132), wherein the two connecting columns (13) are arranged oppositely, and the lateral extending directions of the slotted holes (131) of the two connecting columns are consistent.

4. The travel switch of claim 3, wherein: the connecting columns (13) are three, and the lateral extending direction of the slotted hole (131) of the other connecting column (13) is basically vertical to the lateral extending direction of the slotted holes (131) of the other two connecting columns (13).

5. The travel switch of claim 2, wherein: the slot hole (131) is internally detachably connected with an insert (2) used for expanding each elastic sheet (132) outwards.

6. The travel switch of claim 5, wherein: the plug-in components (2) are basically U-shaped and comprise middle plates (21) inserted into the slotted holes (131) and side plates (22) positioned on two sides of the middle plates (21), and the two side plates (22) are respectively positioned on two sides of the slotted holes (131).

7. The travel switch of claim 5, wherein: the body (1) is provided with a containing groove (15) for containing the plug-in (2).

8. The travel switch of claim 7, wherein: a clamping block (151) for limiting the movement of the plug-in unit (2) is arranged in the accommodating groove (15).

9. The travel switch according to any one of claims 1 to 8, wherein: the cross section of the body (1) is rectangular, and the two pins (12) are arranged at intervals along the length direction of the rectangle.

10. A connecting structure of a travel switch according to any one of claims 1 to 9, characterized in that: including circuit board (3), offer on circuit board (3) and supply jack (31) that spliced pole (13) part inserted wherein and supply pin (12) insert mounting hole (32) of establishing spliced pole (13) insert in jack (31) and under pin (12) inserted the state in mounting hole (32), circuit board (3) are located in spacing space (14).