Welding-free wire-to-wire connector
By designing a solderless wire-to-wire connector, and utilizing a combination of a rotating sleeve and a blade sliding bracket, wire stripping and fixing can be achieved without special tools. This solves the problems of cumbersome operation and low efficiency in existing technologies, and improves the applicability and safety of the connector.
Patent Information
- Application Number
- CN202511726747.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-24
- Publication Date
- 2026-03-03
AI Technical Summary
Existing wire-to-wire connectors are difficult to use for connection work in the absence of specialized wire stripping tools and soldering equipment. The operation is cumbersome and inefficient, and they are especially unsuitable for non-professionals and quick on-site work.
A solderless wire-to-wire connector was designed, which uses a rotatable rotating sleeve and a sliding frame with a blade, combined with elastic elements and sliding blocks, to achieve wire stripping and fixing without special tools. It is easy to manage by magnetic adsorption, rubber rings enhance sealing, and groove structure increases the contact area to ensure electrical connection stability.
It simplifies wire stripping and soldering steps, improves assembly efficiency, is suitable for non-professionals and quick on-site operations, avoids dependence on soldering equipment, enhances connection stability and safety, adapts to different wire diameters, and reduces operational difficulty and risk.
Smart Images

Figure CN121602165A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the technical field of wire connectors, and more particularly to a solderless wire-to-wire connector. Background Technology
[0002] In modern electronic and electrical equipment and various precision instruments, wire-to-wire connectors are widely used as key components for transmitting circuit signals and power. Currently, the common connection method in the industry is as follows: first, the insulation sheath at the end of the wire is removed using a cutting tool to expose the internal metal core; then, soldering equipment such as a soldering iron is used to solder the exposed core to the contact pieces inside the connector, thereby achieving both electrical and mechanical connection.
[0003] However, this traditional connection process has several technical drawbacks: First, the operation is cumbersome, requiring multiple steps such as wire stripping, straightening, positioning, and soldering, which demands a high level of skill from the operator and is generally inefficient, making it difficult to meet the needs of rapid assembly. Second, for small-diameter wires, both the insulation layer and the metal core are very thin. Without specialized wire stripping tools, users typically use ordinary knives to manually split the wire, which can easily lead to the core being cut, scratched, or twisted due to improper force control, severely affecting conductivity and connection reliability. Furthermore, the soldering process itself requires specialized soldering equipment and solder, increasing costs and making it difficult to implement in environments without power or with limited portability, thus preventing the connection from being completed. Especially for individual users or non-technical personnel, the lack of suitable wire stripping and soldering tools makes it almost impossible to connect the wire and connector independently. Summary of the Invention
[0004] In view of this, the present invention provides a solderless wire-to-wire connector, which overcomes the shortcomings of existing wire-to-wire connectors, which are difficult to complete the connection operation in the absence of special wire stripping tools and soldering equipment, and have cumbersome steps and low overall efficiency.
[0005] The technical solution of the present invention is: a solderless wire-to-wire connector, comprising: a socket; a plug disposed on the side of the socket and plug-in mating with the socket; terminals respectively installed inside the socket and the plug, and the two terminals plug-in mating with each other; a rotating sleeve rotatably connected to opposite sides of the plug and the socket; a sliding frame symmetrically slidably connected to the rotating sleeve; a blade connected to the sliding frame and slidingly penetrating the rotating sleeve; a connecting spring, with its two ends respectively connected to the sliding frame and the rotating sleeve; and a fixing assembly disposed inside the plug and the socket for fixing the wire core at the end of the wire to the terminal.
[0006] Furthermore, the fixing components include: an elastic element, which is connected to the inner bottom of the plug and the socket respectively, and the elastic element uses elastic force to press the wire core at the end of the wire onto the surface of the terminal block; and a pressing mechanism, which is respectively disposed on the plug and the socket, for pressing the elastic element.
[0007] Furthermore, the pressing mechanism includes: a limiting rod, which is connected to the plug and the socket respectively; and a sliding column, which is slidably connected to the plug and the socket respectively, and the sliding column is slidably connected to the limiting rod.
[0008] Furthermore, it also includes magnets, which are installed on three sides of the socket and plug respectively.
[0009] Furthermore, it also includes: rubber rings, symmetrically connected to the plug, and the rubber rings contact and fit with the inner wall of the socket.
[0010] Furthermore, it also includes: rubber sleeves, symmetrically connected to both sides of the socket and plug; and sliding blocks, connected to the inner wall of the rubber sleeves, which slide through the sides of the socket and plug respectively.
[0011] Furthermore, it also includes: protrusions, which are circumferentially spaced and connected to the outer wall of the rotating sleeve.
[0012] Furthermore, the inner top of the terminal block is spaced apart with grooves, and the grooves are located directly above the elastic element.
[0013] The beneficial effects are: 1. By setting a rotatable rotating sleeve, a sliding frame with a blade and a connecting spring, the operator only needs to squeeze the rotating sleeve with one hand to drive the blade to cut into the wire insulation layer. After rotation, the wire stripping can be completed without special wire stripping tools. Combined with the clamping mechanism composed of sliding block and rubber sleeve, the cut insulation can be automatically peeled off and fixed, which greatly simplifies the traditional multi-step operation of wire stripping, straightening and welding, significantly improves assembly efficiency, and is especially suitable for rapid on-site operation and use by non-professionals.
[0014] 2. The present invention uses a fixing assembly composed of an elastic element and a sliding column. After the sliding column is pressed down, the wire core is inserted. After it is released, the elastic element uses the restoring force to press the wire core into the groove at the top of the terminal block. The structure of the groove can increase the contact area and friction, which provides mechanical locking and ensures the stability of electrical connection. It completely avoids the dependence of traditional welding process on equipment, power supply and operating skills, and broadens the application scenarios.
[0015] 3. This invention provides magnets on multiple sides of the socket and plug, allowing multiple connectors to be installed side by side by magnetic attraction, facilitating centralized wiring and management. At the same time, the rubber ring on the plug cooperates with the annular groove on the inner wall of the socket, which can enhance the sealing and vibration resistance after insertion and effectively prevent loosening. The rubber sleeve and sliding block further improve the adaptability of clamping the wire, taking into account the compatibility of different wire diameters and the operation feel.
[0016] 4. The present invention has protrusions on the outer wall of the rotating sleeve, which can increase friction and facilitate the application of force. The blade sliding limit design avoids excessive cutting and damage to the wire core. The overall structure does not require an external power supply or high-temperature equipment, eliminating the risk of burns or fires during welding. It is especially suitable for outdoor, mobile environments or safe use by individual users. Attached Figure Description
[0017] Figure 1 This is a three-dimensional structural diagram of the present invention.
[0018] Figure 2 This is a schematic diagram of the installation of the wiring terminals of the present invention.
[0019] Figure 3 This is a schematic diagram showing the installation of the sliding frame, blade, and connecting spring of the present invention.
[0020] Figure 4 This is a schematic diagram showing the installation of the elastic element, limiting rod, and sliding column of the present invention.
[0021] Figure 5 This is a schematic diagram of the specific structure of the sliding column of the present invention.
[0022] Figure 6 This is a schematic diagram illustrating the installation of the magnet, rubber ring, and rubber sleeve of the present invention.
[0023] Figure 7 This is a schematic diagram of the specific structure of the rubber sleeve and sliding block of the present invention.
[0024] Figure 8 This is a schematic diagram of the specific structure of the terminal block of the present invention.
[0025] In the attached diagram, the following are the reference numerals: 1-socket, 2-plug, 3-terminal block, 4-rotating sleeve, 5-sliding bracket, 6-blade, 7-connecting spring, 8-elastic element, 9-limiting rod, 10-sliding column, 11-magnet, 12-rubber ring, 13-rubber sleeve, 14-sliding block, 15-protrusion, 16-groove. Detailed Implementation
[0026] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.
[0027] In the description of this invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.
[0028] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.
[0029] Furthermore, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
[0030] Example: A solderless wire-to-wire connector, such as Figures 1-5 As shown, the device includes a socket 1, a plug 2, a terminal block 3, a rotating sleeve 4, a sliding frame 5, a blade 6, a connecting spring 7, and a fixing assembly. The plug 2 is located on the right side of the socket 1 and is plugged into the socket 1. Both the socket 1 and the plug 2 have discharge ports at their bottoms. Both the socket 1 and the plug 2 have terminal blocks 3 installed inside. The two terminal blocks 3 are respectively enclosed by the socket 1 and the plug 2 to prevent them from being deformed or damaged by external forces. The two terminal blocks 3 are plugged into each other on opposite sides. The left side of the left terminal block 3 and the right side of the right terminal block 3 have openings. The rotating sleeve 4 is rotatably connected to the opposite sides of the plug 2 and the socket 1. The sliding frame 5 is slidably connected to the upper and lower sides of the two rotating sleeves 4. Each sliding frame 5 is connected to a blade 6, and the upper and lower blades 6 slide through the top and bottom of the rotating sleeve 4, respectively. A connecting spring 7 is connected between the sliding frame 5 and the rotating sleeve 4. Both the plug 2 and the socket 1 have fixing assemblies inside for fixing the wire core at the end of the wire to the terminal block 3.
[0031] like Figure 4 and Figure 5As shown, the fixing assembly includes an elastic element 8 and a pressing mechanism. The inner bottom of both the plug 2 and the socket 1 is connected to the elastic element 8, which is a spring sheet. The elastic element 8 uses its elasticity to press the wire core at the end of the wire onto the inner top of the terminal 3 to complete the connection between the wire and the terminal 3. Both the plug 2 and the socket 1 are provided with a pressing mechanism for pressing the elastic element 8. The pressing mechanism includes a limiting rod 9 and a sliding post 10. The upper part of both the plug 2 and the socket 1 is connected to the limiting rod 9, and the top of both the plug 2 and the socket 1 is slidably connected to the sliding post 10. Vertical grooves are opened on both the front and rear sides of the sliding post 10. The limiting rod 9 passes through the vertical grooves so that the sliding post 10 can move up and down along the limiting rod 9 under the action of the vertical grooves. The limiting rod 9 can limit the sliding post 10. The bottom of the sliding post 10 contacts the top of the elastic element 8.
[0032] like Figure 6 As shown, it also includes magnets 11. Magnets 11 are installed on the front, back, sides, and bottom of the socket 1 and plug 2. When multiple sockets 1 and plugs 2 are used side by side, the magnetic force of the magnets 11 can attract and connect two adjacent sockets 1 and plugs 2 together, which is convenient for unified management. It also includes rubber rings 12. Two rubber rings 12 are connected to the left side of the plug 2, and two corresponding annular grooves are opened on the right side of the inner wall of the socket 1, so that after the plug 2 is inserted into the socket 1, the rubber rings 12 can be inserted into the corresponding annular grooves to increase the stability between the plug 2 and the socket 1.
[0033] like Figure 6 and Figure 7 As shown, it also includes a rubber sleeve 13 and a sliding block 14. The front and rear sides of the socket 1 and the plug 2 are connected to the rubber sleeve 13. The opposite side of the front and rear rubber sleeves 13 is connected to the sliding block 14. The sliding blocks 14 on the front and rear sides slide through the front and rear sides of the socket 1 and the plug 2 respectively.
[0034] like Figure 1 As shown, it also includes protrusions 15. Multiple protrusions 15 are circumferentially spaced on the outer walls of the two rotating sleeves 4 to increase the contact area and friction between the operator's hand and the rotating sleeve 4, making it easier for the operator to control the rotating sleeve 4 to rotate.
[0035] like Figure 8 As shown, the inner top of each of the two terminals 3 is spaced apart by a plurality of grooves 16, and the grooves 16 are located directly above the elastic member 8. When the elastic member 8 presses the wire core at the end of the wire into the groove 16 at the inner top of the terminal 3, the groove 16 can increase the contact area and friction between the wire core and the terminal 3, thereby increasing the connection stability between the wire core and the terminal 3 and preventing the wire core from accidentally coming loose.
[0036] When using this connector, the operator first inserts the end of a wire into the rotating sleeve 4 on the side of the socket 1, allowing the end of the wire to pass between the upper and lower blades 6 until it moves between the two sliding blocks 14 on the socket 1. Then, the operator pinches the two rubber sleeves 13 on the socket 1 with one hand. The rubber sleeves 13 drive the sliding blocks 14 on the front and rear sides to move towards each other, clamping the end of the wire. Then, the operator holds the rotating sleeve 4 on the side of the socket 1 with the other hand. The operator's palm squeezes the upper and lower sliding brackets 5, causing them to move towards each other. The connecting spring 7 is compressed, and the sliding brackets 5 drive the upper and lower blades 6 to move towards each other, causing the ends of the blades 6 to cut into the insulation of the wire end. Then, the rotating sleeve 4 is rotated, causing the blades 6 to rotate, so that the blades 6 can cut the insulation of the wire end. Then, the rotating sleeve 4 on the side of the socket 1 is released, allowing the operator's palm to disengage from the sliding brackets 5. At this time, the connecting spring 7 returns to its original position, driving the upper and lower sliding brackets 5... The blade 6 moves back to its original position, and then the end of the wire is pulled out from the rotating sleeve 4 on the side of the socket 1. Since the cut insulation at the end of the wire is clamped by the two sliding blocks 14, the cut insulation will not be pulled out with the wire, so that the end of the wire can be directly separated from the cut insulation. Then, the two rubber sleeves 13 on the socket 1 are released. The rubber sleeves 13 will return to their original shape due to their elasticity, causing the sliding blocks 14 on the front and rear sides to move back to their original position. At this time, the cut insulation will be removed from the bottom of the socket 1 due to gravity. The wire falls out of the outlet; then push the sliding post 10 on the socket 1 downwards. The sliding post 10 will squeeze the elastic element 8 and deform. Then reinsert the end of the wire into the socket 1, so that the exposed metal core of the wire end passes through the top of the elastic element 8. Then release the sliding post 10 on the socket 1. The elastic element 8 will return to its original state and push the sliding post 10 upwards to reset. At the same time, the elastic element 8 will press the exposed metal core of the wire end into the top of the terminal 3 in the socket 1 to complete the connection between the wire and the terminal 3 in the socket 1.Then, insert the end of the other wire into the rotating sleeve 4 on the side of the plug 2. The operator then pinches the two rubber sleeves 13 on the plug 2, causing the sliding blocks 14 on both sides to clamp the end of the wire. The operator then holds the rotating sleeve 4 on the side of the plug 2, causing the blade 6 to cut into the insulation of the other wire. The operator then controls the rotating sleeve 4 to rotate, causing the blade 6 to rotate and cut the insulation of the other wire. Then, the operator releases the rotating sleeve 4 on the side of the plug 2 and pulls the end of the other wire out of the rotating sleeve 4 on the side of the plug 2, separating the end of the other wire from the cut insulation. The operator then releases the two rubber sleeves 13 on the plug 2, allowing the cut insulation to fall out of the outlet at the bottom of the plug 2. The operator then pushes the sliding post 10 on the plug 2 downwards, causing the sliding post 10 to compress the elastic element 8 and deform. The operator then pulls the end of the other wire... Reinsert the connector into plug 2, allowing the exposed metal core of the wire end to pass over the elastic element 8. Then release the sliding post 10 on plug 2. The elastic element 8 will return to its original position, pushing the sliding post 10 upwards to reset. Simultaneously, the elastic element 8 will press the exposed metal core of the other wire end against the top of the terminal 3 inside plug 2, completing the connection between the wire and the terminal 3 inside plug 2. Then insert plug 2 into socket 1, allowing the two terminals 3 to be plugged in. This completes the connection of two wires. The operation is simple and does not require additional cutting tools or soldering equipment. Because different wire diameters vary, this connector has multiple specifications to adapt to different wire sizes. The difference between different specifications lies in the travel distance of the blade 6, which prevents the blade 6 from damaging the wire core when cutting into the insulation of the wire end.
[0037] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in the present invention should be included within the scope of protection of the present invention.
Claims
1. A solderless wire-to-wire connector, comprising: a socket (1); a plug (2) disposed on the side of the socket (1) and inserted into the socket (1); and terminals (3) respectively installed inside the socket (1) and the plug (2), and inserted into each other; characterized in that, It also includes: a rotating sleeve (4), which is rotatably connected to the opposite side of the plug (2) and the socket (1); a sliding frame (5), which is symmetrically slidably connected to the rotating sleeve (4); a blade (6), which is connected to the sliding frame (5) and slides through the rotating sleeve (4); a connecting spring (7), which is connected to the sliding frame (5) and the rotating sleeve (4) at both ends; and a fixing component, which is set inside the plug (2) and the socket (1) respectively, for fixing the wire core at the end of the wire to the terminal block (3).
2. The solderless wire-to-wire connector according to claim 1, characterized in that, The fixing components include: an elastic element (8) connected to the inner bottom of the plug (2) and the socket (1) respectively, and the elastic element (8) presses the wire core at the end of the wire onto the surface of the terminal (3) using elastic force; and a pressing mechanism, which is provided on the plug (2) and the socket (1) respectively, for pressing the elastic element (8).
3. A solderless wire-to-wire connector according to claim 2, characterized in that, The pressing mechanism includes: a limiting rod (9), which is connected to the plug (2) and the socket (1) respectively; and a sliding column (10), which is slidably connected to the plug (2) and the socket (1) respectively, and the sliding column (10) is slidably connected to the limiting rod (9).
4. A solderless wire-to-wire connector according to claim 1, characterized in that, It also includes magnets (11), which are installed on three sides of the socket (1) and plug (2).
5. A solderless wire-to-wire connector according to claim 1, characterized in that, It also includes: a rubber ring (12), which is symmetrically connected to the plug (2), and the rubber ring (12) is in contact with the inner wall of the socket (1).
6. A solderless wire-to-wire connector according to claim 1, characterized in that, It also includes: a rubber sleeve (13), which is symmetrically connected to both sides of the socket (1) and the plug (2); a sliding block (14), which is connected to the inner wall of the rubber sleeve (13), and the sliding block (14) slides through the sides of the socket (1) and the plug (2).
7. A solderless wire-to-wire connector according to claim 1, characterized in that, It also includes: protrusions (15), which are circumferentially spaced and connected to the outer wall of the rotating sleeve (4).
8. A solderless wire-to-wire connector according to claim 2, characterized in that, The inner top of the terminal (3) is spaced apart by a groove (16), and the groove (16) is located directly above the elastic member (8).