Leading-out sheet limiting structure of solid-state relay and solid-state relay

Abstract

The utility model discloses a solid-state relay leading-out sheet spacing structure and a solid-state relay, the solid-state relay leading-out sheet spacing structure comprises an upper shell, a lower shell and a plurality of leading-out sheets, the top of the lower shell is respectively provided with accommodating grooves corresponding to the leading-out sheets, and the leading-out sheets are arranged in the accommodating grooves; the upper shell is connected with the lower shell, and the upper shell is provided with vertically-through receding through grooves corresponding to the leading-out sheets. A limiting step surface is arranged on the inner side face of the receding through groove, and the limiting step surface faces downwards and presses the edge of the lead-out piece so as to limit the lead-out piece from shaking up and down. According to the utility model, the position of the assembled lead-out sheet is stable and reliable, and the structure complexity of the lead-out sheet is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of relays, in particular to a lead-out piece limiting structure of a solid-state relay and the solid-state relay. Background Art

[0002] A solid-state relay is a contactless switch composed of microelectronic circuits, discrete electronic devices, power electronic devices, etc. At present, the housing of a solid-state relay in the prior art usually includes an upper housing and a lower housing, with multiple lead-out plates installed on the top of the lower housing, the upper housing connected to the lower housing, and each lead-out plate is provided with a clearance groove to facilitate the external connection of the lead-out plate with wires. In order to limit the lead-out plate and prevent the lead-out plate from shaking after assembly, a limit groove is currently designed on the lower housing, and a corresponding structure is designed on the lead-out plate to be inserted into the limit groove for limiting. However, this structure is relatively complicated. Utility Model Content

[0003] The utility model aims at the technical problems existing in the prior art and provides a lead-out piece limiting structure of a solid-state relay and a solid-state relay.

[0004] The utility model adopts the following technical solution to solve the technical problem: a lead-out piece limiting structure of a solid-state relay, comprising an upper shell, a lower shell and a plurality of lead-out pieces, wherein the top of the lower shell is provided with a receiving groove corresponding to each lead-out piece, and the lead-out piece is installed in the receiving groove; the upper shell is connected to the lower shell, and the upper shell is provided with a vertically penetrating through groove corresponding to each lead-out piece; the inner side surface of the through groove is provided with a limiting step surface, and the limiting step surface faces downward and presses the edge of the lead-out piece to limit the up and down shaking of the lead-out piece.

[0005] Furthermore, at least one accommodating groove has groove walls at two opposite ends in the first horizontal direction of the lower shell, and the lead-out piece in the accommodating groove is limited by the two groove walls of the accommodating groove in the first horizontal direction to limit the lead-out piece from shaking in the first horizontal direction.

[0006] Furthermore, at least one accommodating groove is provided with openings at two opposite ends in the first horizontal direction of the lower shell body, and the lead-out piece in the accommodating groove is limited by two groove walls of the through groove in the first horizontal direction to limit the lead-out piece from shaking in the first horizontal direction.

[0007] Furthermore, the accommodating groove and the lead-out piece cooperate with a limiting structure in the second horizontal direction of the lower shell body to limit the lead-out piece from shaking in the second horizontal direction; the first horizontal direction and the second horizontal direction are perpendicular to each other; the limiting step surfaces are respectively provided on both sides of the clearance groove in the first horizontal direction and / or the second horizontal direction.

[0008] Furthermore, the limiting structure includes a limiting hole provided on the lead-out piece and a limiting block provided on the bottom surface of the accommodating groove, and the limiting block is inserted into the limiting hole; the limiting hole is in the shape of a notch or a through hole.

[0009] Furthermore, the accommodating groove and the lead-out piece are respectively matched with the limiting structures at both ends of the lower shell in the first horizontal direction.

[0010] Furthermore, the two groove walls of the accommodating groove in the first horizontal direction are respectively provided with a plurality of limiting ribs, and each limiting rib extends in the up-down direction and abuts against the side surface of the corresponding lead-out piece.

[0011] Furthermore, a nut limiting groove is provided on the bottom surface of the accommodating groove for installing the nut, and the lead-out piece is provided with a vertically penetrating clearance hole corresponding to the nut limiting groove.

[0012] Furthermore, the upper shell is connected to the lower shell by snapping, and a plurality of snap holes are provided on the side wall of the upper shell, and snaps are respectively provided on the outer surface of the lower shell corresponding to each snap hole, and the snaps are snapped with the snap holes.

[0013] The utility model further provides a solid-state relay, comprising the lead-out piece limiting structure of the solid-state relay as described in the utility model.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. In the utility model, on the basis of the lower shell being provided with a receiving groove for the lead-out piece, a limiting step surface is provided on the inner side surface of the clearance groove of the upper shell. The limiting step surface faces downward and presses the edge of the lead-out piece to limit the up and down shaking of the lead-out piece, so that the position of the lead-out piece is stable and reliable after assembly, and it is helpful to reduce the structural complexity of the lead-out piece.

[0016] 2. The utility model utilizes two groove walls of the accommodating groove or the giving way groove in the first horizontal direction to limit the lead-out piece, which can prevent the lead-out piece from shaking in the first horizontal direction, thereby further improving the stability of the lead-out piece after assembly.

[0017] 3. The lead-out piece and the accommodating groove cooperate with a limiting structure in the second horizontal direction of the lower shell, which can further improve the stability of the lead-out piece after assembly. In particular, the limiting structure includes a limiting hole provided on the lead-out piece and a limiting groove provided on the bottom surface of the accommodating groove, which has a simple structure and does not increase the complexity of the lead-out piece structure.

[0018] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments; however, the lead-out piece limiting structure of a solid-state relay and the solid-state relay of the present invention are not limited to the embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the lower shell of the utility model;

[0020] Figure 2 It is a three-dimensional structural schematic diagram of the upper shell of the utility model;

[0021] Figure 3 It is a three-dimensional structural schematic diagram of one of the lead-out pieces of the utility model;

[0022] Figure 4 It is a three-dimensional structural schematic diagram of the lower housing and the lead-out piece of the utility model in the assembled state;

[0023] Figure 5 It is a top view of the lower housing and the lead-out piece of the utility model in the assembled state;

[0024] Figure 6 yes Figure 5 AA section view;

[0025] Figure 7 It is a three-dimensional structural schematic diagram of the lead-out piece limiting structure of the utility model;

[0026] Figure 8 It is a side view of the lead-out piece limiting structure of the utility model;

[0027] Fig. 9 yes Figure 8 BB cross-sectional view;

[0028] In the figure, 1, lower shell, 11, accommodating groove, 111, limiting block, 112, limiting rib, 113, nut limiting groove, 12, buckle, 2, upper shell, 21, make way groove, 211, limiting step surface, 22, clamping hole, 3, lead-out piece, 31, limiting hole, 32, make way hole. DETAILED DESCRIPTION

[0029] In the present utility model, the terms "first", "second", etc. are only used to distinguish similar objects, rather than to describe a specific order or sequence, and cannot be understood as indicating or implying relative importance. In the description, the directions or positional relationships indicated by "upper", "lower", "left", "right", "front", "back", "inside", "outside", etc. are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model, rather than indicating or implying that the device referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present utility model. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0030] In addition, in the description of the present invention, unless otherwise specified, "plurality" refers to two or more than two. "And / or" describes the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. The character " / " generally indicates that the objects associated before and after are in an "or" relationship. In the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be a direct connection or an indirect connection through an intermediate medium. It can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] See also Figure 1-Figure 9 As shown, a lead-out piece limiting structure of a solid-state relay of the utility model comprises an upper shell 2, a lower shell 1 and a plurality of lead-out pieces 3, wherein a receiving groove 11 is provided at the top of the lower shell 1 corresponding to each lead-out piece 3, and the lead-out piece 3 is loaded into the receiving groove 11; the upper shell 2 is connected to the lower shell 1, and the upper shell 2 is provided with a vertically penetrating through groove 21 corresponding to each lead-out piece 3. A limiting step surface 211 is provided on the inner side surface of the through groove 21, and the limiting step surface 211 faces downward and presses the edge of the lead-out piece 3 to limit the up and down shaking of the lead-out piece 3. The number of the lead-out pieces 3 is specifically four, wherein two lead-out pieces 3 are signal end lead-out pieces of the solid-state relay, and the remaining two lead-out pieces 3 are load lead-out pieces of the solid-state relay. The four lead-out pieces 3 are distributed at four corners on the top of the lower shell 1, and accordingly, four receiving grooves 11 are provided on the top of the lower shell 1.

[0032] In this embodiment, at least one accommodating groove 11 has groove walls at two opposite ends in the first horizontal direction of the lower shell 1, and the lead-out piece 3 in the accommodating groove 11 is limited by the two groove walls of the accommodating groove 11 in the first horizontal direction, so as to limit the lead-out piece 3 from shaking in the first horizontal direction. The first horizontal direction is specifically the left-right direction of the lower shell 1, and the two accommodating grooves 11 distributed on the left and right sides of the front end of the lower shell 1 respectively have the two groove walls, so the lead-out piece 3 in the two accommodating grooves 11 is limited by the two groove walls of the accommodating groove 11. Specifically, the two groove walls of the two accommodating grooves 11 in the first horizontal direction are respectively provided with a plurality of limiting ribs 112, and each limiting rib 112 extends in the up-down direction and presses against the side of the corresponding lead-out piece 3.

[0033] In this embodiment, at least one accommodating groove 11 is provided with openings at two opposite ends in the first horizontal direction of the lower housing 1, and the lead-out piece 3 in the accommodating groove 11 is limited by two groove walls of the clearance groove 21 in the first horizontal direction, so as to limit the shaking of the lead-out piece 3 in the first horizontal direction. Specifically, the two accommodating grooves 11 distributed on the left and right sides of the rear end of the lower housing 1 are provided with openings at two opposite ends in the first horizontal direction, so that the lead-out piece 3 in the two accommodating grooves 11 is limited by two groove walls of the corresponding clearance groove 21 in the first horizontal direction.

[0034] In this embodiment, each accommodating groove 11 and the lead-out piece 3 cooperate with a limiting structure in the second horizontal direction of the lower shell 1 to limit the shaking of the lead-out piece 3 in the second horizontal direction. The first horizontal direction and the second horizontal direction are perpendicular to each other. Since the first horizontal direction is the left-right direction of the lower shell 1, the second horizontal direction is the front-to-back direction of the lower shell 1. In other embodiments, the first horizontal direction is the front-to-back direction of the lower shell 1, and the second horizontal direction is the left-to-right direction of the lower shell 1. The stop slot 21 is provided with the limiting step surfaces 211 on both sides of the first horizontal direction and / or the second horizontal direction. Specifically, in this embodiment, the stop slot 21 is provided with the limiting step surfaces 211 on both sides of the first horizontal direction, but it is not limited thereto.

[0035] The above-mentioned limiting structure specifically includes a limiting hole 31 provided on the lead-out piece 3 and a limiting block 111 provided on the bottom surface of the receiving groove 11, and the limiting block 111 is inserted into the limiting hole 31. The limiting hole 31 is in the shape of a notch and is located at the edge of the lead-out piece 3, but is not limited thereto. In other embodiments, the limiting hole 31 is in the shape of a through hole with four sides closed. Each receiving groove 11 and the lead-out piece 3 are respectively matched with the limiting structure at both ends of the first horizontal direction of the lower housing 1, so as to improve the limiting structure of the receiving groove 11 on the lead-out piece 3 in the second horizontal direction.

[0036] In this embodiment, the bottom surface of each accommodating groove 11 is respectively provided with a nut limiting groove 113 for installing a nut, and the lead-out piece 3 is provided with a vertical through-hole 32 corresponding to the nut limiting groove 113 for allowing the connecting bolt to pass through and be threadedly connected with the nut in the nut limiting groove 113.

[0037] In this embodiment, the upper shell 2 is snap-connected to the lower shell 1 , and a plurality of snap holes 22 are provided on the side wall of the upper shell 2 . The outer surface of the lower shell 1 is provided with snap hooks 12 corresponding to each snap hole, and the snap hooks 12 snap into the snap holes 22 .

[0038] The utility model is a lead-out piece limiting structure of a solid-state relay. On the basis of the lower housing 1 being provided with a receiving groove 11 for the lead-out piece 3, a limiting step surface 211 is provided on the inner side surface of the clearance groove 21 of the upper housing 2, which is used to press the lead-out piece 3 to prevent the lead-out piece 3 from shaking up and down, so that the position of the lead-out piece is stable and reliable after assembly, so that the lead-out piece can be reliably assembled without setting a complex structure. In addition, the utility model further uses the two groove walls of the receiving groove or the clearance groove in the first horizontal direction to limit the lead-out piece, which can prevent the lead-out piece from shaking in the first horizontal direction; the lead-out piece and the receiving groove are matched with the above-mentioned limiting structure in the second horizontal direction of the lower housing, which can prevent the lead-out piece from shaking in the second horizontal direction, thereby further improving the stability of the lead-out piece after assembly. Therefore, the utility model uses the upper housing 2 and the lower housing 1 to cooperate with each other, and the lower housing 1 and the lead-out piece 3 to cooperate with each other, so as to realize three-dimensional limiting of the lead-out piece 3, so that the position of the lead-out piece 3 is stable and reliable after assembly.

[0039] A solid-state relay of the utility model comprises the lead-out piece limiting structure of the solid-state relay of the utility model.

[0040] The utility model provides a lead-out piece limiting structure of a solid-state relay and a solid-state relay, and the uninvolved parts are the same as those in the prior art or can be implemented by using the prior art.

[0041] The above embodiments are only used to further illustrate a lead-out piece limiting structure of a solid-state relay and a solid-state relay of the utility model, but the utility model is not limited to the embodiments. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the utility model fall within the protection scope of the technical solution of the utility model.

Claims

1. A lead-out piece limiting structure of a solid-state relay, comprising an upper housing, a lower housing and a plurality of lead-out pieces, wherein a receiving groove is provided at the top of the lower housing corresponding to each lead-out piece, and the lead-out piece is loaded into the receiving groove; the upper housing is connected to the lower housing, and the upper housing is provided with a vertically penetrating through groove corresponding to each lead-out piece; characterized in that: The inner side surface of the clearance groove is provided with a limiting step surface, and the limiting step surface faces downward and presses the edge of the lead-out piece to limit the up and down shaking of the lead-out piece.

2. The lead-out piece limiting structure of the solid-state relay according to claim 1, characterized in that: At least one accommodating groove has groove walls at two opposite ends in the first horizontal direction of the lower shell, and the lead-out piece in the accommodating groove is limited by the two groove walls of the accommodating groove in the first horizontal direction to limit the lead-out piece from shaking in the first horizontal direction.

3. The lead-out piece limiting structure of the solid-state relay according to claim 1, characterized in that: At least one accommodating groove is provided with openings at two opposite ends of the lower shell in the first horizontal direction, and the lead-out piece in the accommodating groove is limited by two groove walls of the through groove in the first horizontal direction to limit the lead-out piece from shaking in the first horizontal direction.

4. The lead-out piece limiting structure of the solid-state relay according to claim 2 or 3, characterized in that: The accommodating groove and the lead-out piece cooperate with a limiting structure in the second horizontal direction of the lower shell body to limit the lead-out piece from shaking in the second horizontal direction; the first horizontal direction and the second horizontal direction are perpendicular to each other; the limiting step surfaces are respectively provided on both sides of the clearance groove in the first horizontal direction and / or the second horizontal direction.

5. The lead-out piece limiting structure of the solid-state relay according to claim 4, characterized in that: The limiting structure comprises a limiting hole arranged on the lead-out piece and a limiting block arranged on the bottom surface of the accommodating groove, wherein the limiting block is inserted into the limiting hole; the limiting hole is in the shape of a notch or a through hole.

6. The lead-out piece limiting structure of the solid-state relay according to claim 4, characterized in that: The accommodating groove and the lead-out piece are respectively matched with the limiting structures at both ends of the lower shell in the first horizontal direction.

7. The lead-out piece limiting structure of the solid-state relay according to claim 2, characterized in that: The two groove walls of the accommodating groove in the first horizontal direction are respectively provided with a plurality of limiting ribs, each of which extends in the up-down direction and abuts against the side surface of the corresponding lead-out piece.

8. The lead-out piece limiting structure of the solid-state relay according to claim 1, characterized in that: The bottom surface of the accommodating groove is provided with a nut limiting groove for installing the nut, and the lead-out piece is provided with a vertically penetrating clearance hole corresponding to the nut limiting groove.

9. The lead-out piece limiting structure of the solid-state relay according to claim 1, characterized in that: The upper shell is connected to the lower shell by buckles, and a plurality of buckle holes are arranged on the side wall of the upper shell. Buckles are respectively arranged on the outer surface of the lower shell corresponding to the buckle holes, and the buckles are buckled with the buckle holes.

10. A solid-state relay, characterized in that: The invention comprises a lead-out piece limiting structure of a solid-state relay as claimed in any one of claims 1 to 9.

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