CN215118785U - Connection structure of leading-out piece and base of electromagnetic relay - Google Patents
Connection structure of leading-out piece and base of electromagnetic relay Download PDFInfo
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- CN215118785U CN215118785U CN202121367443.6U CN202121367443U CN215118785U CN 215118785 U CN215118785 U CN 215118785U CN 202121367443 U CN202121367443 U CN 202121367443U CN 215118785 U CN215118785 U CN 215118785U
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Abstract
The utility model discloses a connection structure of a lead-out sheet and a base of an electromagnetic relay, which comprises a base and a lead-out sheet; a first slot is formed in the side wall of the base, and a second slot is formed in the base; the middle section of the leading-out piece is inserted and matched in the first slot of the base, the outer section of the leading-out piece extends out of the base to be electrically connected with an external component, and the inner section of the leading-out piece is positioned in the base; the end of the inner side section of the lead-out piece is provided with a Z-shaped insertion piece, and the Z-shaped insertion piece at the end of the inner side section of the lead-out piece is inserted and matched in the second slot of the base so as to adjust the positioning position of the lead-out piece in the base by utilizing the fall between two straight side sections of the Z-shaped insertion piece. The utility model can ensure the firmness of the assembly of the lead-out sheet, and the lead-out sheet is not easy to be separated; but also can better reduce the positioning and adjusting difficulty of the leading-out sheet.
Description
Technical Field
The utility model relates to a relay technical field especially relates to an electromagnetic relay draws forth connection structure of piece and base.
Background
A relay is an electronic control device having a control system (also called an input loop) and a controlled system (also called an output loop), which is commonly used in automatic control circuits, and which is actually an "automatic switch" that uses a small current to control a large current. Therefore, the circuit plays the roles of automatic regulation, safety protection, circuit conversion and the like. An electromagnetic relay of the prior art includes a base, a magnetic circuit portion, a contact portion, an armature portion, and a push card; the magnetic circuit part and the contact part are respectively arranged on the base, and the armature part is matched with the magnetic circuit part and can drive the armature part to act when the magnetic circuit part works; the push card is connected between the movable spring and the armature part of the contact part, and the movable spring can be driven to swing when the armature part acts, so that the movable contact and the static contact are closed or separated. The contact portion of such an electromagnetic relay generally includes a lead-out piece having a movable spring lead-out piece and a stationary spring lead-out piece, wherein the stationary spring lead-out piece is integrated with a stationary spring piece (i.e., a member to which a stationary contact is fixed). The connection structure of the leading-out piece and the base of the electromagnetic relay in the prior art is generally characterized in that a first slot is arranged in the side wall of the base, a second slot is arranged in the base, the middle section of the leading-out piece is inserted and matched in the first slot of the base, the outer side section of the leading-out piece extends out of the base and is used for being electrically connected with an external component, the inner side section of the leading-out piece is located in the base, and the end head of the inner side section of the leading-out piece is used for realizing positioning and matching with the second slot in the base. This kind of draw forth piece of prior art and connection structure of base adopts the hypotenuse location (being about to draw forth the end of the inboard section of piece and beat into the hypotenuse), easily deviates from during the assembly, and beat the difficult management and control of size of inclining, difficult adjustment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a connection structure of a lead-out sheet and a base of an electromagnetic relay, and through structural improvement, on one hand, the firmness of the assembly of the lead-out sheet can be ensured, so that the lead-out sheet is not easy to be separated; on the other hand, the positioning adjustment difficulty of the lead-out sheet can be well reduced.
The utility model provides a technical scheme that its technical problem adopted is: a connection structure of a leading-out piece and a base of an electromagnetic relay comprises the base and the leading-out piece; a first slot is formed in the side wall of the base, and a second slot is formed in the base; the middle section of the leading-out piece is inserted and matched in the first slot of the base, the outer section of the leading-out piece extends out of the base to be electrically connected with an external component, and the inner section of the leading-out piece is positioned in the base; the end of the inner side section of the lead-out piece is provided with a Z-shaped insertion piece, and the Z-shaped insertion piece at the end of the inner side section of the lead-out piece is inserted and matched in the second slot of the base so as to adjust the positioning position of the lead-out piece in the base by utilizing the fall between two straight side sections of the Z-shaped insertion piece.
The thickness of the Z-shaped inserting piece is smaller than that of the body of the leading-out piece.
The Z-shaped inserting piece comprises a first straight section integrally connected with the body of the leading-out piece, a second straight section with a free end part and a bevel edge section integrally connected between the first straight section and the second straight section; and the second straight edge section is in interference fit with the second slot of the base.
The second straight edge section of the Z-shaped inserting sheet deviates from the thickness range of the body of the leading-out sheet in the thickness direction of the body of the leading-out sheet.
In the cell wall of the second slot of base, in one of them orientation in the cell wall of the outside one side of the second straight edge section of Z shape inserted sheet, still to the protruding first bud that stretches out of the outside one side of the second straight edge section of Z shape inserted sheet to utilize first bud with the cooperation of the second straight edge section of Z shape inserted sheet, realize drawing out the location of piece in the base.
In the cell wall of the second slot of base, in another orientation in the cell wall of the inboard one side of the second straight edge section of Z shape inserted sheet, still to the inboard one side of the second straight edge section of Z shape inserted sheet is protruding stretches a second bud, in order to utilize the second bud with the cooperation of the second straight edge section of Z shape inserted sheet realizes drawing the interference fit of piece and base.
The area of the first convex bud abutting against the outer side face of the second straight edge section of the Z-shaped inserting sheet is larger than the area of the second convex bud abutting against the inner side face of the second straight edge section of the Z-shaped inserting sheet.
The leading-out piece is a static reed, and the end part of the inner side section of the leading-out piece is fixedly connected with a static contact.
One end of a movable spring is connected to the end part of the inner section of the leading-out piece, and a movable contact is fixed to the other end of the movable spring; the two leading-out pieces and the movable spring pieces connected with the two leading-out pieces respectively form a group of movable and static contact matching structures, wherein the static contact connected with one leading-out piece is correspondingly matched with the movable contact on the movable spring piece connected with the other leading-out piece, and the static contact connected with the other leading-out piece is correspondingly matched with the movable contact on the movable spring piece connected with the one leading-out piece; the base is provided with first slots in the side walls of the two pairs respectively so as to be matched with the middle sections of the two leading-out sheets respectively.
The movable contact and the static contact are matched with each other in a plurality of groups, a plurality of first slots are sequentially arranged on the side wall of the base, and a plurality of second slots are correspondingly arranged in the base; the middle sections of the two leading-out pieces of the multi-group movable contact and static contact matching structure are respectively matched in the first slot of the base.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses owing to adopted and be equipped with Z shape inserted sheet, back at the end of drawing forth the interior side section of piece the cooperation of Z shape inserted sheet cartridge of the end of drawing forth the interior side section of piece is in the second slot of base. The structure of the utility model can utilize the fall between the two straight edge sections of the Z-shaped inserting sheet to adjust the positioning position of the drawing sheet in the base, on one hand, the utility model can ensure the firmness of the assembly of the drawing sheet, so that the drawing sheet is not easy to be separated; on the other hand, the positioning adjustment difficulty of the lead-out sheet can be well reduced.
The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the connection structure of the leading-out piece and the base of the electromagnetic relay of the present invention is not limited to the embodiment.
Drawings
Fig. 1 is a front view of an embodiment using an electromagnetic relay of the present invention;
fig. 2 is a plan view of an embodiment using the electromagnetic relay of the present invention;
fig. 3 is a schematic diagram of an electromagnetic relay using an embodiment of the present invention with the bottom turned up;
FIG. 4 is an enlarged schematic view of section A of FIG. 3;
FIG. 5 is a schematic distribution diagram of three sets of moving and stationary contact mating structures of the present invention;
FIG. 6 is a schematic view of the matching of the leading-out piece and the movable contact spring of the present invention;
FIG. 7 is a top view of the leading-out piece of the present invention matching with the movable contact spring;
fig. 8 is a schematic view of the movable spring plate of the present invention;
fig. 9 is a plan view of the movable spring plate according to the present invention.
Detailed Description
Examples
Referring to fig. 1 to 9, the connection structure of the lead-out piece and the base of the electromagnetic relay of the present invention includes a base 1 and a lead-out piece 2; a first slot 12 is arranged on the side wall 11 of the base 1, and a second slot 13 is arranged in the base 1; the middle section of the lead-out piece 2 is inserted and matched in the first slot 12 of the base 1, the outer section 21 of the lead-out piece 2 extends out of the base 1 to be electrically connected with external components, and the inner section 22 of the lead-out piece 2 is positioned in the base 1; the end of the inner section 22 of the lead-out piece 2 is provided with a Z-shaped insertion piece 3, the Z-shaped insertion piece 3 at the end of the inner section of the lead-out piece 2 is inserted and matched in the second slot 13 of the base 1, so that the positioning position of the lead-out piece 2 in the base 1 is adjusted by utilizing the fall between two straight edge sections of the Z-shaped insertion piece 3.
As shown in fig. 1 to 3, in the present embodiment, the electromagnetic relay using the connection structure further includes a magnetic circuit portion 4, an armature portion 5, and a push card 6, the base 1 has a two-layer structure, the magnetic circuit portion 4 and the armature portion 5 are mounted on one layer, the push card 6 and a contact portion including the lead tab 2 are mounted on the other layer, and the push arm of the armature portion 5 extends from one layer of the base 1 to the other layer of the base 1 to be engaged with the movable spring of the contact portion.
As shown in fig. 4, in this embodiment, the thickness of the Z-shaped insertion piece 3 is smaller than the thickness of the body of the extraction piece 2.
In this embodiment, the Z-shaped inserting piece 3 comprises a first straight section 31 integrally connected to the body of the leading-out piece 2, a second straight section 32 with a free end, and a bevel section 33 integrally connected between the first straight section and the second straight section; the second straight section 32 and the second slot 13 of the base 1 are in interference fit.
In this embodiment, the second straight section 32 of the Z-shaped insertion piece 3 deviates from the thickness range of the body of the lead-out piece 2 in the thickness direction of the body of the lead-out piece.
In this embodiment, in one of the groove walls 131 of the second slot 13 of the base 1, which faces the outer side surface of the second straight section 32 of the Z-shaped insertion sheet 3, a first bud 14 protrudes towards the outer side surface of the second straight section 32 of the Z-shaped insertion sheet 3, so that the first bud 14 and the second straight section 32 of the Z-shaped insertion sheet 3 are matched to realize the positioning of the extraction sheet 2 in the base 1.
In this embodiment, in another groove wall 132 facing the inner side surface of the second straight section 32 of the Z-shaped insertion sheet 3, a second bud 15 protrudes from the inner side surface of the second straight section 32 of the Z-shaped insertion sheet 3 in the groove wall of the second slot 13 of the base 1, so that the interference fit between the extraction sheet 2 and the base 1 is realized by the cooperation of the second bud 15 and the second straight section 32 of the Z-shaped insertion sheet 3.
In this embodiment, the area of the first bract 14 abutting against the outer side of the second straight section 32 of the Z-shaped tab 3 is larger than the area of the second bract 15 abutting against the inner side of the second straight section 32 of the Z-shaped tab 3.
In this embodiment, the leading-out piece 2 is a static reed, and a static contact 71 is further fixedly connected to an end of an inner section of the leading-out piece 2.
As shown in fig. 5, in the present embodiment, the contact portion is a double-acting spring assembly parallel structure, one end of the movable spring 72 is further connected to the end of the inner section 22 of the terminal strip 2 (i.e. the end of the inner section 22 of the terminal strip 2 and one end of the movable spring 72 are fixed together by the fixed contact 71), and the other end of the movable spring 72 is fixed with the movable contact 73; the two leading-out pieces 231 and 232 and the movable spring pieces 721 and 722 connected with the two leading-out pieces respectively form a group of movable and fixed contact matching structures, wherein the fixed contact 71 connected with one leading-out piece 231 is correspondingly matched with the movable contact 73 on the movable spring piece 722 connected with the other leading-out piece 232, and the fixed contact 71 connected with the other leading-out piece 232 is correspondingly matched with the movable contact 73 on the movable spring piece 721 connected with the leading-out piece 231; the base 1 is provided with first slots 12 in the two pairs of side walls 11 respectively for fitting to the middle sections of the two tabs 231, 232 respectively.
As shown in fig. 1-3 and 5, in this embodiment, the electromagnetic relay is a three-phase magnetic latching relay, the movable contact and the stationary contact are matched in three groups, three first slots 12 are sequentially arranged on two opposite side walls of the base 1, and six second slots are correspondingly arranged in the base; the middle sections of the two leading-out pieces 231 and 232 of the three sets of moving and static contact matching structures are respectively matched in the first slots 12 of the two opposite side walls 11 of the base.
The utility model discloses an electromagnetic relay draws forth piece and connection structure of base has adopted and has been equipped with Z shape inserted sheet 3 in the end of drawing forth piece 2's inboard section 22, back 3 cartridge cooperation of Z shape inserted sheet of drawing forth the end of the inboard section of piece 2 is in the second slot 13 of base 1. The structure of the utility model can utilize the fall between the two straight edge sections 31 and 32 of the Z-shaped inserting sheet 3 to adjust the positioning position of the leading-out sheet 2 in the base 1, on one hand, the utility model can ensure the firmness of the assembly of the leading-out sheet 2, so that the leading-out sheet is not easy to be separated; on the other hand, the positioning adjustment difficulty of the leading-out sheet 2 can be well reduced.
The foregoing is illustrative of the preferred embodiment of the present invention and is not to be construed as limiting the invention in any way. Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solutions disclosed above can be used by those skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the present invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. A connection structure of a leading-out piece and a base of an electromagnetic relay comprises the base and the leading-out piece; a first slot is formed in the side wall of the base, and a second slot is formed in the base; the middle section of the leading-out piece is inserted and matched in the first slot of the base, the outer section of the leading-out piece extends out of the base to be electrically connected with an external component, and the inner section of the leading-out piece is positioned in the base; the method is characterized in that: the end of the inner side section of the lead-out piece is provided with a Z-shaped insertion piece, and the Z-shaped insertion piece at the end of the inner side section of the lead-out piece is inserted and matched in the second slot of the base so as to adjust the positioning position of the lead-out piece in the base by utilizing the fall between two straight side sections of the Z-shaped insertion piece.
2. The connection structure of the lead-out piece of the electromagnetic relay and the base as claimed in claim 1, characterized in that: the thickness of the Z-shaped inserting piece is smaller than that of the body of the leading-out piece.
3. The connection structure of the lead-out piece of the electromagnetic relay and the base as claimed in claim 2, characterized in that: the Z-shaped inserting piece comprises a first straight section integrally connected with the body of the leading-out piece, a second straight section with a free end part and a bevel edge section integrally connected between the first straight section and the second straight section; and the second straight edge section is in interference fit with the second slot of the base.
4. A connection structure of a lead-out piece of an electromagnetic relay and a base according to claim 3, characterized in that: the second straight edge section of the Z-shaped inserting sheet deviates from the thickness range of the body of the leading-out sheet in the thickness direction of the body of the leading-out sheet.
5. The connection structure of the lead-out piece of the electromagnetic relay and the base as claimed in claim 4, characterized in that: in the cell wall of the second slot of base, in one of them orientation in the cell wall of the outside one side of the second straight edge section of Z shape inserted sheet, still to the protruding first bud that stretches out of the outside one side of the second straight edge section of Z shape inserted sheet to utilize first bud with the cooperation of the second straight edge section of Z shape inserted sheet, realize drawing out the location of piece in the base.
6. The connection structure of the lead-out piece of the electromagnetic relay and the base as claimed in claim 5, characterized in that: in the cell wall of the second slot of base, in another orientation in the cell wall of the inboard one side of the second straight edge section of Z shape inserted sheet, still to the inboard one side of the second straight edge section of Z shape inserted sheet is protruding stretches a second bud, in order to utilize the second bud with the cooperation of the second straight edge section of Z shape inserted sheet realizes drawing the interference fit of piece and base.
7. The connection structure of the lead-out piece of the electromagnetic relay and the base as claimed in claim 6, characterized in that: the area of the first convex bud abutting against the outer side face of the second straight edge section of the Z-shaped inserting sheet is larger than the area of the second convex bud abutting against the inner side face of the second straight edge section of the Z-shaped inserting sheet.
8. The connection structure of the lead-out piece of the electromagnetic relay and the base as claimed in claim 1, characterized in that: the leading-out piece is a static reed, and the end part of the inner side section of the leading-out piece is fixedly connected with a static contact.
9. The connection structure of the lead-out piece of the electromagnetic relay and the base as claimed in claim 8, characterized in that: one end of a movable spring is connected to the end part of the inner section of the leading-out piece, and a movable contact is fixed to the other end of the movable spring; the two leading-out pieces and the movable spring pieces connected with the two leading-out pieces respectively form a group of movable and static contact matching structures, wherein the static contact connected with one leading-out piece is correspondingly matched with the movable contact on the movable spring piece connected with the other leading-out piece, and the static contact connected with the other leading-out piece is correspondingly matched with the movable contact on the movable spring piece connected with the one leading-out piece; the base is provided with first slots in the side walls of the two pairs respectively so as to be matched with the middle sections of the two leading-out sheets respectively.
10. A connection structure of a lead-out piece of an electromagnetic relay and a base according to claim 9, characterized in that: the movable contact and the static contact are matched with each other in a plurality of groups, a plurality of first slots are sequentially arranged on the side wall of the base, and a plurality of second slots are correspondingly arranged in the base; the middle sections of the two leading-out pieces of the multi-group movable contact and static contact matching structure are respectively matched in the first slot of the base.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121367443.6U CN215118785U (en) | 2021-06-18 | 2021-06-18 | Connection structure of leading-out piece and base of electromagnetic relay |
| EP22824323.4A EP4358109A1 (en) | 2021-06-18 | 2022-06-17 | Multi-phase electromagnetic relay |
| JP2023577570A JP2024522752A (en) | 2021-06-18 | 2022-06-17 | Multiphase Electromagnetic Relay |
| PCT/CN2022/099486 WO2022262851A1 (en) | 2021-06-18 | 2022-06-17 | Multi-phase electromagnetic relay |
| KR1020237044146A KR20240011173A (en) | 2021-06-18 | 2022-06-17 | multiphase electromagnetic relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121367443.6U CN215118785U (en) | 2021-06-18 | 2021-06-18 | Connection structure of leading-out piece and base of electromagnetic relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215118785U true CN215118785U (en) | 2021-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121367443.6U Active CN215118785U (en) | 2021-06-18 | 2021-06-18 | Connection structure of leading-out piece and base of electromagnetic relay |
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| Country | Link |
|---|---|
| CN (1) | CN215118785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022262851A1 (en) * | 2021-06-18 | 2022-12-22 | 厦门宏发电力电器有限公司 | Multi-phase electromagnetic relay |
-
2021
- 2021-06-18 CN CN202121367443.6U patent/CN215118785U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022262851A1 (en) * | 2021-06-18 | 2022-12-22 | 厦门宏发电力电器有限公司 | Multi-phase electromagnetic relay |
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