Elastic terminal set and connector
By setting a spring arm and guide ramp structure between the contact elastic terminal and the terminal, combined with the housing block restriction, the problems of complex and unstable connection in household appliance connectors are solved, and the effect of easy maintenance and stable contact is achieved.
Patent Information
- Application Number
- CN202310709645.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-06-15
- Publication Date
- 2026-08-25
- Estimated Expiration
- 2043-06-15
AI Technical Summary
In existing household appliance connectors, the connection method between the contact elastic terminals and the terminals is complicated, difficult to repair, and the connection effect is unstable under high temperature and pressure.
A flexible terminal assembly is designed. By setting first and second elastic arms and a guide ramp structure between the contact elastic terminal and the terminal, the connection and limiting are achieved by utilizing its own elasticity, simplifying the connection process, and the position stability is limited by the stop on the housing.
It achieves a simple connection between contact elastic terminals and terminals, requires no external tools, is easy to maintain, and maintains a stable contact effect under high temperature and pressure.
Smart Images

Figure CN116646753B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of connector technology, and more particularly to a flexible terminal block and connector. Background Technology
[0002] To facilitate consumer use, many household appliances that require electric heating have connectors with elastic contact terminals, such as dishwashers or blenders. However, the existing connection methods between the power terminals and the elastic contact terminals are welding or riveting, which makes the assembly process more complicated, increases time costs, and makes it impossible to rework during production. When poor connection occurs, it is not easy to repair. Furthermore, the existing elastic contact terminals only have one elastic area that can deform and bend. Under long-term high temperature and pressure conditions, this may affect the connection effect of the connector. Summary of the Invention
[0003] To overcome the shortcomings of the prior art, the present invention provides a flexible terminal assembly and a connector. The connection relationship between the contact flexible terminals and the terminals is simple and can be achieved without the aid of external tools. The connector includes the contact flexible terminals. The connector is easy to maintain and has a stable contact effect.
[0004] The technical solution adopted by this invention to solve its technical problem is: A resilient terminal assembly includes a terminal and a contact resilient terminal that can be installed on or detached from the tail end of the terminal. The contact resilient terminal has a base, one end of the base has a first elastic arm extending toward the center of the base, and the other end of the base has a second elastic arm extending away from the surface of the base. The tail end of the terminal is formed into a pressure block with a groove. The base has a through hole in the middle for the pressure block to pass through. The two ends of the first elastic arm have a first guide ramp rising toward the center. When the pressure block passes through the through hole and rotates the contact resilient terminal by 90 degrees, the through hole intersects with the pressure block, and the first guide ramp is compressed and abuts against the bottom of the pressure block, thereby limiting the terminal and the contact resilient terminal to each other.
[0005] As a further improvement to the above solution, the through hole is set as a square hole, and the pressure block is a straight-line structure.
[0006] As a further improvement to the above solution, a circular hole is provided in the middle of the square hole, the diameter of the circular hole is greater than the width of the square hole, the two sides of the cross-section of the slot are parallel and the two ends are arc-shaped, and the distance between the two sides of the cross-section of the slot is less than the distance between the two arcs at its ends.
[0007] As a further improvement to the above scheme, the first spring arm is located on both sides of the base end.
[0008] The present invention also provides a connector, including the resilient terminal group as described above, and a housing, the housing having a plurality of terminal mounting positions, the resilient terminal group being disposed on the terminal mounting positions.
[0009] As a further improvement to the above solution, the outer shell is provided with a front wall block, the top of the front wall block is provided with a second guide ramp that descends towards the middle, and the middle of the base end is provided with a convex structure extending in the horizontal direction. When the convex structure can slide along the second guide ramp at the top of the front wall block to the outside of the front wall block, the vertical height of the second guide ramp is greater than the vertical height of the convex structure. The second guide ramp is used to restrict the convex structure from rotating towards the front wall block.
[0010] As a further improvement to the above solution, the outer shell is provided with a rear wall block, which is located in the opposite direction to the front wall block. The rear wall block is used to restrict the end of the base away from the convex structure from rotating in the direction of the rear wall block.
[0011] The beneficial effects of this invention are: The present invention provides a contact elastic terminal and a connector. The connection between the contact elastic terminal and the terminal is simple and can be achieved without the aid of external tools. The connector includes the contact elastic terminal. The connector is easy to maintain and has a stable contact effect. Attached Figure Description
[0012] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0013] Figure 1 This is a schematic diagram of the assembly of the contact elastic terminal and the terminal in this invention; Figure 2 This is a schematic diagram (left view) of the contact elastic terminal in this invention; Figure 3 This is a schematic diagram (isometric view) of the contact elastic terminal in this invention. Figure 4 This is another schematic diagram of the contact elastic terminal in this invention; Figure 5 This is a schematic diagram of the terminals in this invention; Figure 6 It is along Figure 5 Sectional view of AA; Figure 7 This is a schematic diagram of the connector in this invention; Figure 8 This is a bottom schematic diagram of the connector in this invention; Figure 9 yes Figure 8 Enlarged diagram of point A in the middle. Detailed Implementation
[0014] The following will clearly and completely describe the concept, specific structure, and technical effects of the present invention in conjunction with embodiments and accompanying drawings, so as to fully understand the purpose, features, and effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. Other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are all within the scope of protection of the present invention. Furthermore, all connections / linkages involved in the patent do not simply refer to direct contact between components, but rather to the ability to form a better connection structure by adding or reducing connecting accessories according to specific implementation conditions. The various technical features in this invention can be combined interactively without contradicting each other.
[0015] Reference Figures 1 to 6 The present invention provides a flexible terminal assembly, which includes a contact flexible terminal 1 and a terminal 2. The contact flexible terminal 1 can be installed or detached from the tail of the terminal 2, and the head of the terminal 2 is used to connect to a female terminal.
[0016] Reference Figures 2 to 3 As shown, the contact elastic terminal 1 of the present invention has a base 11. First elastic arms 12 extending towards the center of the base 11 are provided on both sides of one end of the base 11. First guide ramps 120 rising towards the center are provided at both ends of the first elastic arms 12. A gap exists between the end of the first elastic arm 12 extending towards the center of the base 11 and the surface of the base 11. The contact elastic terminal 1 is made entirely of an elastic conductive material, and its inherent elasticity allows for the compression and release of the gap between the first elastic arm 12 and the surface of the base 11. A second elastic arm 14 extending away from the base surface is provided at the other end of the base 11. When the second elastic arm 14 is subjected to an external force, it can float due to its elastic properties.
[0017] Reference Figure 4 As shown, a through hole 15 is provided in the middle of the base 11. The through hole 15 is a square hole, and a round hole 150 is provided in the middle of the square hole. The diameter of the round hole 150 is larger than the width of the square hole. The through hole 15 is used to connect with the terminal 2.
[0018] Reference Figure 5 In this invention, the tail of terminal 2 is used to connect to contact elastic terminal 1. Specifically, the tail of terminal 2 is formed into a pressure block 21 with a slot 22. The pressure block 21 has a straight-line structure and can pass through the through hole 15 described above. (Refer to...) Figure 6As shown, the two sides of the cross-section of the slot 22 are parallel and the two ends are arc-shaped. The distance between the two sides of the cross-section of the slot 22 is less than the distance between the arcs at its two ends. To facilitate the connection between the terminal 2 and the contact elastic terminal 1, the outer peripheral contour dimension of the pressure block 21 is set to be less than or equal to the dimension of the through hole 150. The dimensions of the two sides of the cross-section of the slot 22 are less than or equal to the dimensions of the two sides of the pressure block 21, and the distance between the arcs at the two ends of the cross-section of the slot 22 is less than or equal to the diameter of the circular hole 150 provided in the middle of the through hole 15.
[0019] The connection process between terminal 2 and contact elastic terminal 1 is as follows: after passing the pressure block 21 through the through hole 15, the contact elastic terminal 1 is rotated 90°, and the through hole 15 intersects with the pressure block 21. The first guide ramp 120 is compressed and abuts against the bottom of the pressure block 21, and the slot 22 is confined in the circular hole 150 provided inside the square hole, realizing the mutual limiting between terminal 2 and contact elastic terminal 1. When it is necessary to disengage, simply rotate the contact elastic terminal 1 another 90°.
[0020] Reference Figure 1 The diagram shows the connection state of the contact elastic terminal 1 and the terminal 2. Due to the elastic properties of the contact elastic terminal 1 itself, the second elastic arm 14 can be floated by external force to change the contact state between it and the terminal 2, thereby realizing the connection or disconnection of the circuit.
[0021] Reference Figures 7 to 9 The present invention also provides a connector applicable to household appliances, primarily those that rely on contact for power transmission. The connector includes the aforementioned resilient terminal group, which is disposed within the male connector 10. It also includes a female connector 20 connected to the male connector 10, wherein the female connector 20 contains a female terminal connected to the end of the terminal 2 furthest from the contact resilient terminal 1. The connector further includes a housing 30 with a plurality of terminal mounting positions, where the resilient terminal group is disposed.
[0022] To ensure the stability of the positional relationship of the flexible terminal group during use, a front wall block 301 and a rear wall block 320 are provided on the connector. The front wall block 301 is used to restrict the end of the base 11 where the first elastic arm 12 is located, and the rear wall block 320 is used to restrict the end of the base 11 where the second elastic arm 14 is located.
[0023] Reference Figure 3 and Figure 9A horizontally extending convex structure 13 is provided between the first elastic arms 12 on both sides of the base 11. The top of the front wall block 301 is provided with a second guide ramp 3011 with its end descending towards the middle and a horizontal area 3012 in the middle. When the through hole 15 of the contact elastic terminal 2 is inserted into the pressure block 21 at the tail of the terminal, the convex structure 13 is located in the horizontal area 3012 in the middle of the top of the front wall block 301. Rotating the contact elastic terminal 1 allows the convex structure 13 to slide along the second guide ramp 3011 to the outside of the front wall block 301. The vertical height of the end of the front wall block 301 is greater than the vertical height of the convex structure 13. The front wall block 301 can restrict the convex structure 13 from rotating further toward the front wall block 301.
[0024] The rear wall stop 320 is located in the opposite direction to the front wall stop 301. The rear wall stop 320 is used to restrict the end of the base 11 with the second spring arm 14 from rotating toward the rear wall stop 320.
[0025] The specific assembly process is as follows: First, place terminal 2 in the terminal mounting position in the housing 30. Then, insert the contact elastic terminal 1 along the tail end into the slot 22. At this time, the contact elastic terminal 1 is located in the middle horizontal area 3012 of the top of the front wall block. Rotate the contact elastic terminal 1 so that it intersects and is limited by the pressure block 21. The first guide ramp 120 of the compressed contact elastic terminal 1 can abut against the bottom of the pressure block. At the same time, the contact elastic terminal 1 will slide along the second guide ramp 3011 to the outside of the front wall block 301. The front wall block 301 and the rear wall block 320 can restrict the contact elastic terminal 1 from rotating further. When disassembly is required, simply compress the contact elastic terminal 1 manually and rotate it back to the middle horizontal area 3012 of the top of the front wall block. The positional relationship between the contact elastic terminal 1 and the pressure block 22 will be restored to parallel, and the connection can be released.
[0026] The above is a detailed description of the preferred embodiments of the present invention. However, the present invention is not limited to the embodiments described. Those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention. All such equivalent modifications or substitutions are included within the scope defined by the claims of this application.
Claims
1. A resilient terminal assembly, comprising a terminal and a contact resilient terminal installable or detachable from the tail end of the terminal, the contact resilient terminal having a base, one end of the base having a first resilient arm extending toward the center of the base, and the other end of the base having a second resilient arm extending toward a direction away from the surface of the base, characterized in that, The tail of the terminal is formed into a pressure block with a groove. The base has a through hole in the middle for the pressure block to pass through. The two ends of the first elastic arm have a first guide ramp that rises towards the center. When the pressure block passes through the through hole and rotates the contact elastic terminal 90 degrees, the through hole intersects with the pressure block. The first guide ramp is compressed and abuts against the bottom of the pressure block, so that the terminal and the contact elastic terminal are mutually limited. The through hole is a square hole, and the pressure block has a straight-line structure; The square hole has a circular hole in the middle, the diameter of which is greater than the width of the square hole. The two sides of the cross-section of the slot are parallel and the two ends are arc-shaped. The distance between the two sides of the cross-section of the slot is less than the distance between the two arcs at its ends.
2. The elastic terminal assembly according to claim 1, characterized in that, The first spring arm is located on both sides of the base end.
3. A connector, characterized in that, The device includes the resilient terminal assembly as described in any one of claims 1 to 2, and further includes a housing having a plurality of terminal mounting positions, wherein the resilient terminal assembly is disposed on the terminal mounting positions.
4. A connector according to claim 3, characterized in that, The outer casing is provided with a front wall stop, and the top of the front wall stop is provided with a second guide ramp that descends towards the middle. The middle of the base end is provided with a convex structure extending in the horizontal direction. When the convex structure can slide along the second guide ramp at the top of the front wall stop to the outside of the front wall stop, the vertical height of the second guide ramp is greater than the vertical height of the convex structure. The second guide ramp is used to restrict the convex structure from rotating towards the front wall stop.
5. A connector according to claim 4, characterized in that, The outer casing is provided with a rear wall stop, which is located in the opposite direction of the front wall stop. The rear wall stop is used to restrict the end of the base away from the convex structure from rotating in the direction of the rear wall stop.
Citation Information
Patent Citations
Electric connector, conductive terminal and manufacturing method therefor
CN107248632A
Connector
CN114865400A