CN215496555U - High-reliability double-contact moving contact component - Google Patents
High-reliability double-contact moving contact component Download PDFInfo
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- CN215496555U CN215496555U CN202122238270.4U CN202122238270U CN215496555U CN 215496555 U CN215496555 U CN 215496555U CN 202122238270 U CN202122238270 U CN 202122238270U CN 215496555 U CN215496555 U CN 215496555U
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Abstract
A high-reliability double-contact moving contact component comprises a moving contact terminal main body, a moving contact spring component connected with one end of the moving contact terminal main body, and two moving contacts arranged on one side of the moving contact spring component far away from the moving contact terminal main body; the movable contact spring component is riveted with the movable contact terminal main body through a plurality of rivets; the middle part of the movable reed component is provided with a middle opening along the length direction, the middle opening extends from a position close to the rivet to one end far away from the rivet, and movable reed units are respectively formed on two sides of the middle opening; one side of the two moving contact spring units, which is far away from one end of the rivet and faces the moving contact terminal main body, is connected with a bridging unit. The bridging unit is connected with the end, away from the rivet, of the two movable reed units, so that the action consistency of the movable reeds on the two sides can be improved, and the reliability of integral electric connection is improved when the movable reeds on any side are closed with the static contact.
Description
Technical Field
The utility model relates to the technical field of low-voltage electrical appliances, in particular to a high-reliability double-contact moving contact component.
Background
The double-contact moving contact component of the existing relay is provided with a plurality of reeds which are arranged in an overlapped mode, the first ends of the reeds are connected with a moving contact connecting plate through rivets, the middle of each reed is provided with a middle opening extending to the second end along the length direction, two moving contacts are arranged on two sides of the middle opening respectively and are used for being abutted to two static contacts respectively. The middle opening divides the reed into two parts, so that when two moving contacts are respectively abutted against the two fixed contacts, the reed can adapt to slight difference of the heights of the fixed contacts or the moving contacts or slight difference of pressures borne by the reeds on two sides of the middle opening. But also has some drawbacks: 1. the reeds on the two sides of the middle opening can move independently, so that the integral elasticity of the moving contact component is inconsistent, when the moving contact is integrally disconnected after long-time use, one moving contact is in a state of being disconnected with the corresponding fixed contact, and the other moving contact is still connected with the corresponding fixed contact, namely, the situation that the moving contact cannot be effectively disconnected occurs, so that the relay is disabled; 2. after long-term use, the connection of the reed on one side may be unreliable, that is, the reed is not electrically connected with the moving contact terminal, and if the reed is connected with the fixed contact and the reed on the other side is not connected with the fixed contact, the overall electrical connection may fail.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a highly reliable dual-contact moving contact assembly capable of improving the consistency of the actions of the moving springs on both sides and improving the reliability of the overall electrical connection when the moving spring on either side and the static contact are closed, so as to solve the above problems.
A high-reliability double-contact moving contact component comprises a moving contact terminal main body, a moving contact spring component connected with one end of the moving contact terminal main body, and two moving contacts arranged on one side of the moving contact spring component far away from the moving contact terminal main body; the movable contact spring component is riveted with the movable contact terminal main body through a plurality of rivets; the middle part of the movable reed component is provided with a middle opening along the length direction, the middle opening extends from a position close to the rivet to one end far away from the rivet, and movable reed units are respectively formed on two sides of the middle opening; one side of the two moving contact spring units, which is far away from one end of the rivet and faces the moving contact terminal main body, is connected with a bridging unit.
Furthermore, the shape of the bridging unit is U-shaped, and the bridging unit comprises a bridging piece and connecting support legs respectively connected with two ends of the bridging piece, and the connecting support legs are connected with the movable spring leaf assembly.
Furthermore, the moving contact is riveted with the connecting support leg and the moving spring leaf assembly.
Further, the connecting leg further has an inclined portion inclined toward the movable contact terminal main body, and a gap is provided between the jumper and the end of the movable spring piece assembly.
Furthermore, a limiting bump is arranged in the middle of the jumper and protrudes towards one side of the center of the middle opening.
Furthermore, the moving contact terminal main body is provided with a riveting part and an avoiding part which is obliquely connected with the riveting part at an acute angle towards one side far away from the moving contact spring assembly.
Further, the movable contact spring assembly is formed by stacking and combining a plurality of elastic sheets, the middle part of the elastic sheet closest to the movable contact terminal main body is bent to form an elastic abutting supporting leg, and the elastic abutting supporting leg can movably abut against the avoiding part.
Furthermore, the moving contact terminal main body is perpendicularly connected with a wiring terminal at one end far away from the rivet, and a limiting convex point is arranged at one side of the moving contact terminal main body close to one end of the wiring terminal and far away from the movable spring leaf assembly in a protruding mode.
Compared with the prior art, the high-reliability double-contact moving contact component comprises a moving contact terminal main body, a moving contact spring component connected with one end of the moving contact terminal main body, and two moving contacts arranged on one side of the moving contact spring component far away from the moving contact terminal main body; the movable contact spring component is riveted with the movable contact terminal main body through a plurality of rivets; the middle part of the movable reed component is provided with a middle opening along the length direction, the middle opening extends from a position close to the rivet to one end far away from the rivet, and movable reed units are respectively formed on two sides of the middle opening; one side of the two moving contact spring units, which is far away from one end of the rivet and faces the moving contact terminal main body, is connected with a bridging unit. The bridging unit is connected with the end, away from the rivet, of the two movable reed units, so that the action consistency of the movable reeds on the two sides can be improved, and the reliability of integral electric connection is improved when the movable reeds on any side are closed with the static contact.
Drawings
Embodiments of the utility model are described below with reference to the accompanying drawings, in which:
fig. 1 is a schematic perspective view of a highly reliable dual-contact moving contact assembly provided by the present invention.
Fig. 2 is a schematic side view of a highly reliable dual-contact movable contact assembly according to the present invention.
Fig. 3 is a schematic diagram of a split of the high-reliability dual-contact moving contact assembly provided by the utility model.
Detailed Description
Specific embodiments of the present invention will be described in further detail below based on the drawings. It should be understood that the description herein of embodiments of the utility model is not intended to limit the scope of the utility model.
Referring to fig. 1 to fig. 3, the high-reliability dual-contact moving contact assembly provided by the present invention includes a moving contact terminal body 10, a moving contact spring assembly 20 riveted to one end of the moving contact terminal body 10 by a plurality of rivets 40, and two moving contacts 30 disposed on one side of the moving contact spring assembly 20 away from the moving contact terminal body 10.
The end of the moving contact terminal body 10 away from the rivet 40 is vertically connected with a wiring terminal 11, which facilitates wiring with an external element or a cable.
The one side that moving contact terminal main part 10 is close to binding post 11 one end and keeps away from movable contact spring subassembly 20 is outstanding to be provided with spacing bump 12, and spacing bump 12 is used for with the lateral wall butt of a casing, prevents from following the roll-off in the casing after moving contact terminal main part 10 installs.
The movable contact terminal main body 10 has a riveting portion 101 and an avoiding portion 102 connected to the riveting portion 101 in an inclined manner at an acute angle toward a side away from the movable spring assembly 20, so that a gap is formed between the movable contact terminal main body 10 and the movable spring assembly 20.
The movable spring plate assembly 20 is formed by stacking and combining a plurality of elastic plates 21. The middle portion of the movable contact spring assembly 20 is bent toward a direction away from the movable contact terminal main body 10 to form a bent portion 201, so as to improve the elastic force.
The middle of the movable spring plate assembly 20 is provided with a middle opening 202 along the length direction, and the middle opening 202 extends from a position close to the rivet 40 to an end far away from the rivet 40. Thus, the movable reed units are formed on both sides of the central opening 202.
A bridging unit 22 is connected to one end of the two moving reed units away from the rivet 40 and facing the moving contact terminal body 10.
The jumper unit 22 is U-shaped, and includes a jumper 221 and connection legs 222 respectively connected to two ends of the jumper 221, and the movable contact 30 is riveted to the connection legs 222 and the movable contact assembly 20.
In this embodiment, the connecting leg 222 further has an inclined portion inclined toward the movable contact terminal main body 10 so that a gap is formed between the jumper 221 and the end of the movable spring assembly 20.
A limit projection 223 is protrudingly provided at a side of the center of the middle opening 202 of the bridge piece 221.
The bridging unit 22 can improve the consistency of the movable reed units on both sides during operation, and improve the reliability of the overall electrical connection when the movable reed units on either side are closed with the fixed contacts.
The tail end of the movable reed assembly 20 and the bridging piece 221 are used for extending into a connecting groove of a push rod, and the limiting projection 223 can limit the position where the tail end of the movable reed assembly 20 and the bridging piece 221 extend into the connecting groove of the push rod.
The end of the movable spring piece assembly 20 and the jumper piece 221 have elastic force, so that the connection reliability between the movable spring piece assembly 20 and the push rod can be improved.
The middle part of the elastic sheet 21 of the movable contact spring assembly 20 closest to the movable contact terminal main body 10 tilts or bends towards the direction of the movable contact terminal main body 10 to form an elastic abutting supporting leg 23, and the elastic abutting supporting leg 23 can movably abut against the avoiding part 102 so as to improve the elasticity of the movable contact spring assembly 20 and promote the movable contact 30 to be connected with the fixed contact.
Compared with the prior art, the high-reliability double-contact moving contact component comprises a moving contact terminal main body 10, a moving contact spring component 20 connected with one end of the moving contact terminal main body 10, and two moving contacts 30 arranged on one side of the moving contact spring component 20 far away from the moving contact terminal main body 10; the movable contact spring assembly 20 is riveted with the movable contact terminal main body 10 through a plurality of rivets 40; a middle opening 202 is formed in the middle of the movable spring plate assembly 20 along the length direction, the middle opening 202 extends from a position close to the rivet 40 to one end far away from the rivet 40, and movable spring plate units are respectively formed on two sides of the middle opening 202; a bridging unit 22 is connected to one end of the two moving reed units away from the rivet 40 and facing the moving contact terminal body 10. The bridging unit 22 connects the ends of the two movable spring units far away from the rivet 40, so that the consistency of the actions of the movable springs on the two sides can be improved, and the reliability of the integral electrical connection is improved when the movable springs on any side and the static contact are closed.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, and any modifications, equivalents or improvements that are within the spirit of the present invention are intended to be covered by the following claims.
Claims (8)
1. The utility model provides a high reliable double contact moving contact subassembly which characterized in that: the movable contact terminal comprises a movable contact terminal main body, a movable contact spring component connected with one end of the movable contact terminal main body, and two movable contacts arranged on one side of the movable contact spring component far away from the movable contact terminal main body; the movable contact spring component is riveted with the movable contact terminal main body through a plurality of rivets; the middle part of the movable reed component is provided with a middle opening along the length direction, the middle opening extends from a position close to the rivet to one end far away from the rivet, and movable reed units are respectively formed on two sides of the middle opening; one side of the two moving contact spring units, which is far away from one end of the rivet and faces the moving contact terminal main body, is connected with a bridging unit.
2. The highly reliable dual-contact movable contact assembly as recited in claim 1, wherein: the bridging unit is U-shaped and comprises a bridging piece and connecting support legs connected with two ends of the bridging piece respectively, and the connecting support legs are connected with the movable reed assembly.
3. The highly reliable dual-contact movable contact assembly as recited in claim 2, wherein: the moving contact is riveted with the connecting support leg and the moving spring leaf assembly.
4. The highly reliable dual-contact movable contact assembly as recited in claim 2, wherein: the connecting support leg is also provided with an inclined part inclined towards the main body of the moving contact terminal, and a gap is formed between the jumper and the tail end of the moving contact spring piece assembly.
5. The highly reliable dual-contact movable contact assembly as recited in claim 2, wherein: and a limiting lug is arranged in the middle of the jumper and protrudes towards one side of the center of the middle opening.
6. The highly reliable dual-contact movable contact assembly as recited in claim 1, wherein: the moving contact terminal main body is provided with a riveting part and an avoiding part which is connected with the riveting part in an inclined way at an acute angle towards one side far away from the moving contact spring assembly.
7. The highly reliable dual-contact movable contact assembly as recited in claim 6, wherein: the movable contact spring assembly is formed by stacking and combining a plurality of elastic sheets, the middle part of the elastic sheet closest to the movable contact terminal main body is bent to form an elastic butt supporting leg, and the elastic butt supporting leg can movably abut against the avoidance part.
8. The highly reliable dual-contact movable contact assembly as recited in claim 1, wherein: the moving contact terminal main body is far away from the one end of rivet and is connected with binding post perpendicularly, and moving contact terminal main body is close to binding post's one end and keeps away from one side of movable contact spring subassembly and protrudingly is provided with spacing bump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122238270.4U CN215496555U (en) | 2021-09-15 | 2021-09-15 | High-reliability double-contact moving contact component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122238270.4U CN215496555U (en) | 2021-09-15 | 2021-09-15 | High-reliability double-contact moving contact component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215496555U true CN215496555U (en) | 2022-01-11 |
Family
ID=79769389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122238270.4U Active CN215496555U (en) | 2021-09-15 | 2021-09-15 | High-reliability double-contact moving contact component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215496555U (en) |
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2021
- 2021-09-15 CN CN202122238270.4U patent/CN215496555U/en active Active
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