A screw-on waterproof snap-fit ​​connector structure

Abstract

This utility model relates to the field of waterproof connector technology, and in particular to a screw-on waterproof snap-fit ​​connector structure, comprising: an adapter with a plurality of wire clamp assemblies built in; end caps are detachably connected to both ends of the adapter, the end caps stopping at both ends of the wire clamp assemblies; a plurality of driving components are rotatably connected to both ends of the adapter, each pair of driving components forming a group, used to force the ends of the wire clamp assemblies to deform respectively; the connector structure of this utility model uses wire clamp assemblies built into the adapter to clamp and fix the ends of two wires and maintain electrical connection, and then uses a wire sleeve assembly to seal both ends of the adapter, so as to achieve a convenient electrical connection without soldering and waterproofing; secondly, the wire clamp assemblies, adapter, end caps, driving components and wire sleeve assemblies in this utility model all adopt a modular design that can be easily assembled, which can effectively improve the overall assembly convenience, and at the same time simplify the process and improve production efficiency.

Description

Technical Field

[0001] This utility model relates to the field of waterproof connector technology, and in particular to a screw-on waterproof snap-fit ​​connector structure. Background Technology

[0002] In the field of electrical connections, the connection between wires is crucial. Traditional connection methods are diverse, each with its own advantages and disadvantages. Although welding provides reliable connections, it is complex to operate, requires specialized equipment, and the welded joints are prone to corrosion and failure in humid environments, and may also damage the insulation layer. Crimping requires specialized tools, has high requirements for processes and materials, and improper operation can easily lead to poor contact or damage to the wires. Simple wrapping with insulating tape can only provide temporary insulation, cannot guarantee good electrical contact, and has extremely poor waterproof performance. In humid or dusty environments, it is very easy for the connection points to become damp, oxidized, or even short-circuited, seriously affecting the safety and reliability of the electrical system. Especially in outdoor, underwater, or high-humidity environments, the requirements for the waterproof performance of wire connections are even higher.

[0003] However, some existing waterproof connection methods are difficult to assemble and therefore difficult to apply widely; or although they can achieve a certain degree of waterproofing, they sacrifice the ease of assembly or the reliability of the connection while ensuring waterproofing.

[0004] Based on this, in order to further optimize the waterproofness and convenience of existing wire connections, we propose a screw-on waterproof snap-fit ​​connector structure. Utility Model Content

[0005] The purpose of this invention is to provide a screw-on waterproof snap-fit ​​connector structure that is easy to assemble and reliably connected.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: Design a screw-on waterproof snap-fit ​​connector structure, including: An adapter with several wire clamp components built in; The adapter is detachably connected to end caps at both ends. The end caps stop at both ends of the wire clamp assembly. Several driving components are rotatably connected to both ends of the adapter. Each pair of driving components forms a group and is used to force the two ends of the wire clamp assembly to deform respectively. Both sides of the adapter are detachably connected to wire sleeve assemblies.

[0007] Furthermore, the adapter has several mounting cavities distributed around its internal circumference, and the wire clamp assembly is placed in the mounting cavity; The adapter has two slides and a positioning groove in the mounting cavity.

[0008] Furthermore, the wire clamp assembly includes a wire clamp base and a wire clamp; The two ends of the clamp are bent toward the middle to form an abutment end, and a bent surface is provided above the clamp base. The bent surface and the abutment end are used to cooperate in clamping the wire end.

[0009] Furthermore, the end face of the wire clamp base also has at least two positioning posts, and the side end of the wire clamp base is provided with a positioning port; The end face of the clamp has a positioning hole that matches the positioning post and a positioning piece that matches the positioning opening.

[0010] Furthermore, a guide bend is formed in the middle of the side of the clamp base, and the guide bend slides in the positioning groove.

[0011] Furthermore, the drive component includes a lever and two arms formed at the bottom of the lever; A shaft is formed at the bottom end of the arm, and the shafts on both sides slide in two slides within the mounting cavity.

[0012] Furthermore, an abutment head is formed below the shaft of the arm, and an abutment portion adapted to the abutment head is formed on the abutment end of the clamp.

[0013] Furthermore, the end cap includes a baffle and a limiting plate and a claw formed on the side of the baffle; The end face of the baffle is provided with a wire hole that is directly opposite to the wire clamp assembly. The outer periphery of the adapter has a snap-fit ​​hole that is compatible with the claw. The two arms span across both sides of the limiting plate.

[0014] Furthermore, the end of the limiting plate abuts against the end of the clamp base, and the inner edge of the end cap stops at the connecting step of the bending part and the arm.

[0015] Furthermore, the sleeve assembly includes a sleeve that is threadedly connected to the adapter. One end of the sleeve is formed with a threaded portion, and the end of the threaded portion is formed with a plurality of deformation claws. A sealing ring is built into the inside of the threaded portion, and an inner conical sleeve is threadedly connected to the outside. The conical surface of the inner conical sleeve abuts against the plurality of deformation claws to deform and compress the sealing ring.

[0016] The beneficial effects of the screw-on waterproof snap-fit ​​connector structure proposed in this utility model are as follows: The connector structure of this utility model uses a wire clamp assembly built into the adapter to clamp and fix the ends of the two wires and maintain electrical connection. Then, the wire sleeve assembly is used to seal both ends of the adapter to achieve a convenient electrical connection that is solderless and waterproof. Attached Figure Description

[0017] Figure 1This is a perspective view of the present utility model; Figure 2 This is a diagram showing the state of the adapter and wire sleeve assembly of this utility model when separated; Figure 3 This is a diagram showing the state of the adapter and end cap of this utility model when separated; Figure 4 This is a schematic diagram of the adapter structure of this utility model; Figure 5 This is a diagram showing the state of the wire clamp assembly and adapter of this utility model when they are separated. Figure 6 This is a schematic diagram of the wire clamp assembly structure of this utility model. Figure 1 ; Figure 7 This is a schematic diagram of the wire clamp assembly structure of this utility model. Figure 2 ; Figure 8 This is a cross-sectional view of the adapter of this utility model; Figure 9 This is an exploded view of the wire sleeve assembly of this utility model; Figure 10 This is a cross-sectional view of the wire sleeve assembly of this utility model.

[0018] In the diagram: 1. Wire clamp assembly; 11. Wire clamp base; 12. Wire clamp; 13. Abutting end; 14. Bending surface; 15. Positioning post; 16. Positioning port; 17. Positioning piece; 18. Guide bending piece; 19. Abutting part; 2. Adapter; 20. Mounting cavity; 21. Slide rail; 22. Positioning slide groove; 23. Snap-fit ​​hole; 3. End cap; 31. Baffle; 32. Limiting plate; 33. Claw; 34. Wire hole; 4. Driving component; 41. Actuating part; 42. Arm; 43. Shaft; 44. Abutting head; 5. Wire sleeve assembly; 51. Wire sleeve; 52. Threaded part; 53. Deformation claw; 54. Sealing ring; 55. Inner cone sleeve. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0020] Reference Figure 1-10As one embodiment of this utility model, a screw-on waterproof snap-fit ​​connector structure is disclosed. Specifically, the connector structure includes an adapter 2 with a plurality of wire clamp assemblies 1 built in. The wire clamp assemblies 1 are used to electrically connect the wire ends of two wires to be connected. In this embodiment, the wire clamp assemblies 1 can preferably be set to three to meet the three-wire connection requirements of live wire, neutral wire and ground wire. Of course, those skilled in the art can also make adaptive changes to the specific number of wire clamp assemblies 1 according to actual needs, and no further restrictions are imposed here. The adapter 2 is detachably connected to end caps 3 at both ends. The end caps 3 stop at both ends of the wire clamp assembly 1. Several driving components 4 are rotatably connected to both ends of the adapter 2. Each pair of driving components 4 forms a group and is used to force the two ends of the wire clamp assembly 1 to deform respectively. In this embodiment, a wire sleeve assembly 5 can be detachably connected to both sides of the adapter 2. Preferably, a stop ring platform is provided in the middle of the outer side of the adapter 2. The stop ring platform is used to limit the installation of the wire sleeve assemblies 5 on both sides. Of course, two sealing gaskets can also be fitted on the outer side of the adapter 2. The two sealing gaskets are located on both sides of the stop ring platform to improve the connection sealing between the adapter 2 and the wire sleeve assembly 5. Furthermore, in this embodiment, an electrode marker can be provided on the end face of the stop ring platform. The electrode marker is used to be opposite to the wire clamp assembly 1 to indicate the current electrode status of the wire clamp assembly 1, so as to avoid misconnection problems when connecting wires.

[0021] In some embodiments, the adapter 2 of the present invention has a plurality of mounting cavities 20 distributed around its internal circumference. As described above, when adapting to the requirements of three-wire wiring, the mounting cavities 20 can be set to three, and the wire clamp assembly 1 is placed in the mounting cavity 20. The adapter 2 has two slides 21 and a positioning slide groove 22 in the mounting cavity 20.

[0022] Furthermore, in this embodiment, the wire clamp assembly 1 includes a wire clamp base 11 and a wire clamp 12. The wire clamp base 11 has a U-shaped structure, and the wire clamp 12 is placed in the opening of the U-shaped structure. The two ends of the wire clamp 12 are bent toward the middle to form an abutment end 13. A bending surface 14 is provided above the wire clamp base 11. The bending surface 14 and the abutment end 13 are used to clamp the wire end.

[0023] Of course, in this embodiment, both the wire clamp base 11 and the wire clamp 12 should be configured as conductive components. In this embodiment, they can preferably be configured as copper sheets. When the ends of the two wires to be connected are inserted between the two ends of the wire clamp 12 and the wire clamp base 11, the contact end 13 at the end of the wire clamp 12 will clamp and limit them, thereby realizing the electrical connection operation of the two wires.

[0024] Based on the above embodiments, in this embodiment, the end face of the wire clamp base 11 is further provided with at least two positioning posts 15, and the side end of the wire clamp base 11 is provided with a positioning port 16. The end face of the wire clamp 12 has a positioning hole that matches the positioning post 15 and a positioning piece 17 that matches the positioning port 16. That is, during assembly, the wire clamp 12 can be placed on the wire clamp base 11 first. Through the cooperation of the positioning post 15 and the positioning hole, as well as the positioning port 16 and the positioning piece 17, the connection and assembly of the wire clamp base 11 and the wire clamp 12 can be realized. The modular assembly method can effectively improve the assembly convenience of the wire clamp assembly 1, and at the same time, simplifying the process can also improve production efficiency.

[0025] In a further embodiment, a guide bending piece 18 is formed in the middle of the side of the wire clamp base 11. The guide bending piece 18 slides in the positioning groove 22. Specifically, in this embodiment, the guide bending piece 18 is integrally formed with the wire clamp base 11. The design of the guide bending piece 18 is to facilitate the assembly of the wire clamp base 11 by sliding the guide bending piece 18 and the positioning groove 22 during installation, thereby further improving the convenience and reliability of modular assembly.

[0026] Based on the above embodiments, the driving component 4 in this embodiment includes a lever 41 and two arms 42 formed at the bottom of the lever 41; A shaft 43 is formed at the bottom end of the arm 42, and the shafts 43 on both sides slide in two slides 21 within the mounting cavity 20.

[0027] During assembly, the shafts 43 on the two arms 42 are slid into the two slides 21, and then the end cap 3 stops the movement of the drive 4. The specific limiting method will be described in detail later, and will not be elaborated here.

[0028] In a preferred embodiment, the arm 42 is formed with an abutment head 44 below the shaft 43, and the abutment end 13 of the clamp 12 is formed with an abutment portion 19 that matches the abutment head 44. That is, in the initial state, the abutment end 13 and the bending surface 14 are in close contact, i.e., in a snap-fit ​​state. When it is necessary to install the wire end, the drive member 4 can be rotated to rotate around its own shaft 43. When the drive member 4 rotates, the contact head 44 on the tail end of the arm 42 will contact the contact part 19 at the end of the wire clamp 12, causing the entire contact end 13 to contract and deform. At this time, an opening is formed between the contact end 13 and the bending surface 14. The wire end can then be inserted into the opening. After insertion, the drive member 4 is rotated in the opposite direction and reset. At this time, the contact end 13 is reset to achieve clamping and fixing of the wire end. The same operation method is used for the other wire end to complete the electrical connection between the two wires.

[0029] In some embodiments, the end cap 3 of the present invention includes a baffle 31 and a limiting plate 32 and a claw 33 formed on the side of the baffle 31; The end face of the baffle 31 is provided with a wire hole 34 that is directly opposite to the wire clamp assembly 1. That is, when connecting the wire, one end of the wire is inserted into the wire clamp assembly 1 through the wire hole 34. The outer periphery of the adapter 2 has a snap-fit ​​hole 23 that is compatible with the claw 33. The two arms 42 span across both sides of the limiting plate 32.

[0030] Specifically, during assembly, the wire clamp assembly 1 is first installed inside the adapter 2, and then the two end caps 3 are placed over both ends of the adapter 2. The end caps 3 are secured by the locking claws 33 on the end caps 3 and the locking holes 23 on the adapter 2. At this time, as the limiting plate 32 on the end cap 3 abuts against the end of the wire clamp base 11, the position of the wire clamp assembly 1 is locked at the same time.

[0031] It should be noted that in this embodiment, the end of the limiting plate 32 abuts against the end of the clamp base 11, and the inner edge of the end cap 3 stops at the connecting step of the lever 41 and the arm 42. As can be seen from the above description, since the driving component 4 of this utility model adopts the sliding cooperation of the shaft 43 and the slide 21, in order to lock the position of the driving component 4, a step is formed between the lever 41 and the arm 42 in this embodiment, and the edge of the end cap 3 stops on the step. In this way, when the lever 41 is rotated and reset, the position of the driving component 4 can be stopped and limited.

[0032] Furthermore, in this embodiment, after the lever part 41 is rotated and reset, its outer side is not higher than the outer surface of the adapter 2, so as to avoid interference with the installation of the wire sleeve assembly 5. Of course, in this embodiment, both the adapter 2 and the driving component 4 are set as insulating components, such as plastic components.

[0033] Furthermore, in this embodiment, the sleeve assembly 5 includes a sleeve 51 that is threadedly connected to the adapter 2. One end of the sleeve 51 is formed with a threaded portion 52, and the end of the threaded portion 52 is formed with a plurality of deformation claws 53. A sealing ring 54 is built into the inside of the threaded portion 52, and an inner conical sleeve 55 is threadedly connected to the outside. The conical surface of the inner conical sleeve 55 abuts against the plurality of deformation claws 53 to deform and compress the sealing ring 54.

[0034] During connection, firstly, the two wire sleeve assemblies 5 are respectively inserted through the outside of the two wires to be connected. Then, the two ends of the two wires are respectively connected to the two ends of the wire clamp assembly 1 inside the adapter 2. After the two wires are connected, the wire sleeve 51 and the adapter 2 are threaded together. Finally, the inner conical sleeve 55 is threaded onto the threaded part 52. The inner conical surface of the inner conical sleeve 55 drives the multiple deformation claws 53 to contract, thereby driving the sealing ring 54 to clamp and seal the wires, thus achieving a comprehensive waterproof purpose.

[0035] In summary, the connector structure of this utility model uses the wire clamp assembly 1 built into the adapter 2 to clamp and fix the wire ends of the two wires and maintain the electrical connection. Then, the wire sleeve assembly 5 is used to seal both ends of the adapter 2 to achieve the purpose of convenient electrical connection without soldering and waterproof. Secondly, the wire clamp assembly 1, adapter 2, end cap 3, drive component 4, and wire sleeve assembly 5 in this utility model all adopt a modular design that allows for easy assembly, which can effectively improve the overall assembly convenience and simplify the process to improve production efficiency.

[0036] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A waterproof snap joint structure of a screwing type, characterized by comprising: include: An adapter (2) with several wire clamp components (1) built in; The adapter (2) is detachably connected to end caps (3) at both ends. The end caps (3) stop at both ends of the wire clamp assembly (1). Several drive components (4) are rotatably connected to both ends of the adapter (2). Each pair of drive components (4) forms a group and is used to force the two ends of the wire clamp assembly (1) to deform respectively. Among them, wire sleeve assemblies (5) can be detachably connected to both sides of the adapter (2).

2. The threaded waterproof snap joint structure according to claim 1, characterized in that: The adapter (2) has several mounting cavities (20) distributed around its internal circumference, and the wire clamp assembly (1) is placed in the mounting cavity (20); The adapter (2) has two slides (21) and a positioning groove (22) in the mounting cavity (20).

3. A threaded waterproof snap joint structure according to claim 2, characterized in that: The wire clamp assembly (1) includes a wire clamp base (11) and a wire clamp (12); The two ends of the clamp (12) are bent toward the middle to form an abutment end (13), and a bending surface (14) is provided above the clamp base (11). The bending surface (14) and the abutment end (13) are used to clamp the wire end.

4. The threaded waterproof snap joint structure according to claim 3, characterized in that: The end face of the wire clamp base (11) also has at least two positioning posts (15), and the side end of the wire clamp base (11) is provided with a positioning port (16). The end face of the clamp (12) has a positioning hole that matches the positioning post (15) and a positioning piece (17) that matches the positioning port (16).

5. The threaded waterproof snap joint structure according to claim 3, characterized in that: A guide bend (18) is formed in the middle of the side of the clamp base (11), and the guide bend (18) slides in the positioning groove (22).

6. The threaded waterproof snap joint structure according to claim 3, characterized in that: The drive unit (4) includes a lever (41) and two arms (42) formed at the bottom of the lever (41). A shaft (43) is formed at the bottom end of the arm (42), and the shafts (43) on both sides slide in two slides (21) in the mounting cavity (20).

7. A threaded waterproof snap joint structure according to claim 6, characterized in that: The arm (42) has an abutment (44) formed below the shaft (43), and the abutment end (13) of the wire clamp (12) has an abutment portion (19) adapted to the abutment (44).

8. The threaded waterproof snap joint structure according to claim 6, characterized in that: The end cap (3) includes a baffle (31) and a limiting plate (32) and a claw (33) formed on the side of the baffle (31). The end face of the baffle (31) is provided with a wire hole (34) that is directly opposite to the wire clamp assembly (1), the outer periphery of the adapter (2) has a snap-fit ​​hole (23) that is compatible with the claw (33), and the two arms (42) span across the two sides of the limiting plate (32).

9. The threaded waterproof snap joint structure according to claim 8, characterized in that: The end of the limiting plate (32) abuts against the end of the clamp base (11), and the inner edge of the end cap (3) stops at the connecting step of the bending part (41) and the arm (42).

10. The threaded waterproof snap joint structure according to claim 1, characterized in that: The wire sleeve assembly (5) comprises a wire sleeve (51) which is screwed with the adapter (2), one end of the wire sleeve (51) is formed with a threaded part (52), the end of the threaded part (52) is formed with a plurality of deformation claws (53), the inside of the threaded part (52) is internally provided with a sealing ring (54), and the outside is screwed with an inner taper sleeve (55), the taper surface of the inner taper sleeve (55) abuts a plurality of deformation claws (53) to deform to extrude the sealing ring (54).

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