CN113964553B - Waterproof wiring nose - Google Patents

Abstract

The invention provides a waterproof connection nose, which belongs to the technical field of electrical parts, and adopts the following scheme: it includes a connection section and a waterproof cap, the connection section includes a cylindrical main body with only one end closed, and a wiring The outer periphery of the cylindrical main body near the opening end is covered with a waterproof cap, the waterproof cap includes an end cap capable of sealing the opening end, the end cap is provided with a wire hole, and the inner diameter of the wire hole is adapted to the diameter of the cable. The device has reasonable structure, simple operation, safety and reliability, and low production cost. The setting of the waterproof cap can effectively prevent rainwater from penetrating into the wiring nose, and realize the waterproof insulation of the entire cable line; when installing, only need to tighten the waterproof cap, no other professional Tools and equipment; the material is highly anti-aging and can be used for the same life as the cable, and does not require other daily maintenance.

Description

A waterproof wiring nose

technical field

The invention relates to the technical field of electrical components, in particular to a waterproof connection nose.

Background technique

Wiring lugs are often used for cable end connection and continuation. No soldering is required for wiring. It is convenient for wiring and can make the connection between cables and electrical appliances stronger and safer. The existing wiring nose is only a simple cylinder with a nose welded on the top, and after the cable is connected, there is still a relatively large gap at one end of the opening of the wiring nose.

The current wiring nose still has the following disadvantages: first, the opening end of the wiring nose is easy to leak rainwater, and after the rainwater seeps in, it will cause excessive current and heat and cause an accident; second, after the wiring nose is installed, only the nose and electrical equipment There is no other fixed structure, which may easily lead to loosening of the wiring nose.

Contents of the invention

In order to overcome the deficiency that the open end of the existing wiring nose is easy to seep into rainwater, the invention provides a waterproof wiring nose.

The technical solution adopted by the present invention to solve the above-mentioned technical problems is: a waterproof connection nose, including a connection section and a waterproof cap, the connection section includes a cylindrical body with only one end closed, and the closed end of the cylindrical body is provided with a connection part A waterproof cap is set on the outer periphery of the cylindrical main body close to the open end, the waterproof cap includes an end cap capable of sealing the open end, the end cap is provided with a wire hole, and the inner diameter of the wire hole is adapted to the diameter of the cable. When connecting the cable, firstly, peel off the head of the cable to be connected and pass it through the waterproof cap, insert the peeled part into the cylindrical body of the wiring section and install the waterproof cap on the outside of the waterproof nose through the connecting part, so that the peeled part The cable is in good contact with multiple protrusions on the inner wall of the cylindrical main body; it can effectively prevent rainwater from penetrating into the wiring nose, ensure good contact between the cable and the wiring nose, and help eliminate the safety hazard of heating caused by cable short circuit.

Further, the waterproof cap also includes a connecting sleeve, which is fixedly connected to the cylindrical main body. The setting of the connection sleeve can ensure the connection strength between the waterproof cap and the cylindrical main body, enhance the reliability of the device and prolong its service life.

Further, the cylindrical body includes a large-diameter section and a small-diameter section connected to each other. The large-diameter section is arranged on the side close to the open end of the cylindrical main body, and the end of the large-diameter section away from the small-diameter section is provided with a plurality of holes spaced along its circumference. Arranged elastic arms, the length of the elastic arms is less than the length of the large-diameter section, each elastic arm is provided with at least one bump, and the cable is installed in the inner cavity of the cylindrical main body and contacts with the bump. The setting of the elastic arm can ensure good contact between the cable and the protrusion on the cylindrical main body, which is beneficial to enhance the reliability of the device.

Further, the outer circumference of the large-diameter section is also provided with an outer cylinder, the outer cylinder is located at one end of the elastic arm provided on the large-diameter section, one end of the outer cylinder is flush with the fixed end of the elastic arm, and the outer cylinder is in the shape of Split type setting, including two semicircular cylindrical units, and the waterproof cap is set on the outer cylinder. The split type of the outer cylinder is easy to install, and can give radial force to the spring arm to deform the spring arm, ensuring good contact after the cable is connected.

Further, the inner wall of the connecting sleeve is provided with internal threads, and the outer cylinder is provided with corresponding external threads, and the connecting sleeve is threadedly connected with the outer cylinder. The external thread is compatible with the internal thread, and the threaded connection is selected for easy assembly and disassembly, which can ensure the connection strength between the waterproof cap and the wiring section.

Further, the length of the outer cylinder is greater than the length of the elastic arm, and the outer cylinder is provided with a transition portion near the free end of the elastic arm. The transition portion is tapered, and the small end of the transition portion is located on the side close to the upper end cover of the waterproof cap. The outer diameter of the small head end of the transition part is adapted to the inner diameter of the connecting sleeve. The setting of the transition part facilitates the installation of the waterproof cap, shortens the wiring time and improves the working efficiency.

Further, it also includes a fixing block, the fixing block is located on the inner side of the elastic arm and arranged close to the free end of the elastic arm, and a plurality of fixing blocks cooperate with the position of fixing the cable. The setting of the fixing block can further fix the position of the cable after the waterproof cap is installed on the large-diameter section, preventing the cable from loosening and causing poor contact; it is convenient to clamp and fix cables with different diameters, and expand the scope of application of the device.

Further, blind holes are provided on the fixed block and the projection, and the blind holes extend radially along the large diameter section and open toward the outer cylinder. Springs and top blocks are installed in the blind holes, and the springs are fixed to the inner wall of the blind holes. Connection, one end of the top block is fixedly connected with the spring, and the other end is connected with the inner wall of the outer cylinder. The setting of the top block can squeeze the spring arm when the waterproof cap is tightened, so that the spring arm shrinks inward, thereby ensuring good contact between the bump and the cable, and making the fixing block clamp and fix the cable to prevent loosening.

Further, the top block is conical, the big end of the top block is spherical, and the small end of the top block is located in the spring and does not contact the bottom surface of the blind hole. The top block is set in point contact with the outer cylinder body to facilitate extrusion of the top block and ensure that the elastic arm drives the bump and the fixed block to shrink inward.

As can be seen from the above technical solutions, the present invention has the following advantages:

This scheme provides a waterproof wiring nose, the device is reasonable in structure, simple in operation, safe and reliable, and low in production cost. , you only need to tighten the waterproof cap, no other professional tools and equipment are required; the material is anti-aging and can be used for the same life as the cable, and does not require other daily maintenance.

Description of drawings

In order to illustrate the technical solution of the present invention more clearly, the accompanying drawings that need to be used in the description will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. As far as people are concerned, other drawings can also be obtained based on these drawings on the premise of not paying creative work.

Fig. 1 is a schematic structural diagram of a specific embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a wiring segment in a specific embodiment of the present invention.

Fig. 3 is a structural schematic diagram of a waterproof cap in a specific embodiment of the present invention.

Fig. 4 is a schematic structural view of a cylindrical body in a specific embodiment of the present invention.

FIG. 5 is a cross-sectional view of FIG. 2 .

In the figure, 1. Wiring section, 2. Cylindrical main body, 3. Wiring part, 4. Waterproof cap, 5. Connecting sleeve, 6. End cap, 7. Large diameter section, 8. Small diameter section, 9. Outer cylinder Body, 10, transition part, 11, elastic arm, 12, projection, 13, fixed block 14, blind hole, 15, spring, 16, top block, 17, wire hole.

Detailed ways

In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions in the present invention will be clearly and completely described below in conjunction with the accompanying drawings in this specific embodiment. Obviously, the implementation described below Examples are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in this patent, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this patent.

As shown in Figures 1 to 4, a waterproof connection nose includes a connection section and a waterproof cap. The connection section 1 includes a cylindrical body 2 with only one end closed, and a connection part 3 is provided at the closed end of the cylindrical body 2. A waterproof cap 4 is sheathed on the outer periphery of the cylindrical body 2 near the open end, and the waterproof cap 4 includes an end cap 6 capable of blocking the open end. The end cap 6 is provided with a wire hole 17, and the inner diameter of the wire hole 17 is adapted to the diameter of the cable.

In this embodiment, the cylindrical body 2 includes a large-diameter section 7 and a small-diameter section 8 that are connected to each other. One end is provided with a plurality of elastic arms 11 arranged at intervals along its circumference, the length of the elastic arms 11 is smaller than the length of the large-diameter section 7, and each elastic arm 11 is provided with at least one bump 12, and the cable is installed on the cylindrical main body 2 and in contact with the bump 12. The shape of the bump 12 is not limited to the shape shown in the accompanying drawings of the present invention, and other shapes that can ensure that the bump 12 is in contact with the cable can be used; the setting of the elastic arm 11 can ensure the contact between the cable and the cylindrical main body 2 The bumps 12 are in good contact, which is beneficial to enhance the reliability of the device.

Specifically, the outer circumference of the large-diameter section 7 is also provided with an outer cylinder 9, the outer cylinder 9 is located at one end of the large-diameter section 7 provided with the elastic arm 11, and one end of the outer cylinder 9 is connected to the fixed end of the elastic arm 11. Flush, the outer cylinder 9 is arranged in a split type, including two semicircular cylindrical units, and the waterproof cap 4 is set on the outer cylinder 9 . The 9-split configuration of the outer cylinder is convenient for installation, and can give radial force to the elastic arm 11 to deform the elastic arm 11 to ensure good contact after the cable is connected.

In this embodiment, the specific structure of the waterproof cap 4 is: the waterproof cap 4 further includes a connecting sleeve 5 , and the connecting sleeve 5 is fixedly connected with the cylindrical main body 2 . The cylindrical main body 2 and the waterproof cap 4 can be arranged to be plugged, and the two can also be threaded to facilitate assembly and disassembly while ensuring good contact between the cable and the cylindrical main body 2 .

Specifically, the inner wall of the connecting sleeve 5 is provided with internal threads, and the outer cylinder 9 is provided with corresponding external threads, and the connecting sleeve 5 and the outer cylinder 9 are screwed together. The external thread is compatible with the internal thread, and the threaded connection is selected for easy assembly and disassembly, which can ensure the connection strength between the waterproof cap 4 and the wiring section 1 .

In this embodiment, the specific structure of the outer cylinder 9 is as follows: the length of the outer cylinder 9 is greater than the length of the elastic arm 11, and the free end of the outer cylinder 9 near the elastic arm 11 is provided with a transition portion 10, and the transition portion 10 is conical. Shape, the small end of the transition part 10 is located on the side close to the upper end cover 6 of the waterproof cap 4, and the outer diameter of the small end of the transition part 10 is adapted to the inner diameter of the connecting sleeve 5. The setting of the transition part 10 facilitates the installation of the waterproof cap 4, shortens the wiring time, and improves work efficiency.

In addition, it also includes a fixing block 13, the fixing block 13 is located inside the elastic arm 11 and arranged near the free end of the elastic arm 11, and a plurality of fixing blocks 13 cooperate with the position of fixing the cable. The quantity and shape of the fixed clamp 13 can clamp the cable, and it is not limited to the fixed clamp 13 on each elastic arm 11; the surface of the fixed clamp 13 near the cable side can be set as a circle The curved surface is convenient for better clamping the cable; it is also possible to cut out a card slot on the cable to be connected that is compatible with the fixing block 13, so that the cable can be fixed while conducting electricity through the fixing block 13; the fixing block The setting of 13 can further fix the position of the cable after the waterproof cap 4 is installed on the large-diameter section 7, so as to prevent the cable from loosening and then poor contact; it is convenient to clamp and fix cables with different diameters, and expand the scope of application of the device.

Wherein, the fixed block 13 and the protruding block 12 are provided with blind holes 14, the blind holes 14 extend radially along the large-diameter section 7 and open toward the outer cylinder 9, and the blind holes 14 are equipped with a spring 15 and a top block 16 , the spring 15 is fixedly connected to the inner wall of the blind hole 14 , one end of the top block 16 is fixedly connected to the spring 15 , and the other end is connected to the inner wall of the outer cylinder 9 . The setting of top block 16 can extrude elastic arm 11 when tightening waterproof cap 4, elastic arm 11 is shrunk inwardly, thereby guarantees that bump 12 is in good contact with cable, and makes fixed block 13 clamp fixed cable, prevents from loosening.

Specifically, the top block 16 is conical, the big end of the top block 16 is spherical, and the small end of the top block 16 is located in the spring 15 and does not contact the bottom surface of the blind hole 14 . The top block 16 is arranged to be in contact with the outer cylinder body at 9 points, so as to facilitate extrusion of the top block 16 and ensure that the elastic arm 11 drives the bump 12 and the fixed block 13 to shrink inwardly.

The working principle of the waterproof connection nose is as follows: when wiring between the cable and the electrical appliance, firstly, the head of the cable to be connected is peeled off and passed through the waterproof cap 4, so that the unstripped part of the cable is closely matched with the end cover 6; Connect the peeling part into the cylindrical body 2 of the wiring section 1, and install the waterproof cap 4 on the outside of the wiring section 1 through the connecting part. In the process of continuing to tighten the waterproof cap 4, the gap between the outer cylinder body 9 and the large-diameter section 7 gradually decreases and squeezes the top block 16, and then drives the elastic arm 11 to shrink inward, and multiple fixing blocks 13 cooperate to clamp the fixing line cable, and keep the cable of the peeling part in good contact with a plurality of bumps 12 on the inner wall of the cylindrical main body 2; after completing the connection between the wiring section 1 and the cable to be connected, connect the wiring section 3 to the electrical appliance.

The terms "upper", "lower", "outer side", "inner side" and the like in the description and claims of the present invention and the above drawings (if any) are used to distinguish the relative relationship in position, but not necessarily to be qualitative. It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the invention described herein can be practiced in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion.

The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. A waterproof wiring nose is characterized by comprising a wiring section (1) and a waterproof cap (4), wherein the wiring section (1) comprises a cylindrical main body (2) with only one closed end, a wiring part (3) is arranged at the closed end of the cylindrical main body (2), the waterproof cap (4) is sleeved on the periphery of the cylindrical main body (2) close to the open end, the waterproof cap (4) comprises an end cover (6) capable of plugging the open end, a wire guide hole (17) is arranged on the end cover (6), the inner diameter of the wire guide hole (17) is matched with the diameter of a cable, the cylindrical main body (2) comprises a large-diameter section (7) and a small-diameter section (8) which are connected with each other, the large-diameter section (7) is arranged on one side close to the open end of the cylindrical main body (2), one end of the large-diameter section (7) far away from the small-diameter section (8) is provided with a plurality of elastic arms (11) arranged along the circumferential direction of the large-diameter section at intervals, the length of each elastic arm (11) is smaller than that of the large-diameter section (7), each elastic arm (11) is provided with at least one convex block (12), a cable is installed in an inner cavity of the cylindrical main body (2) and is in contact with the convex block (12), the cable fixing device further comprises a fixing clamping block (13), the fixing clamping block (13) is located on the inner side of the elastic arm (11) and is close to the free end of the elastic arm (11), the plurality of fixing clamping blocks (13) are matched with the position of the fixing cable, and blind holes (14) are formed in the fixing clamping block (13) and the convex blocks (12) ) The blind hole (14) extends along the radial direction of the large-diameter section (7) and is opened towards the outer cylinder body (9), a spring (15) and an ejector block (16) are installed in the blind hole (14), the spring (15) is fixedly connected with the inner wall of the blind hole (14), one end of the ejector block (16) is fixedly connected with the spring (15), and the other end of the ejector block is connected with the inner wall of the outer cylinder body (9).

2. A waterproof wire connection nose according to claim 1, wherein the waterproof cap (4) further comprises a connecting sleeve (5), the connecting sleeve (5) being fixedly connected with the cylindrical body (2).

3. The waterproof wiring nose according to claim 1, wherein an outer cylinder (9) is further arranged on the periphery of the large-diameter section (7), the outer cylinder (9) is positioned at one end of the large-diameter section (7) where the elastic arm (11) is arranged, one end of the outer cylinder (9) is flush with the fixed end of the elastic arm (11), the outer cylinder (9) is arranged in a split mode and comprises two semicircular cylindrical units, and the waterproof cap (4) is sleeved on the outer cylinder (9).

4. The waterproof wire connecting nose according to claim 3, wherein an inner thread is provided on the inner wall of the connecting sleeve (5), a corresponding outer thread is provided on the outer cylinder (9), and the connecting sleeve (5) is in threaded connection with the outer cylinder (9).

5. The waterproof wiring nose according to claim 4, wherein the length of the outer cylinder (9) is greater than that of the elastic arm (11), a transition part (10) is arranged at the free end of the outer cylinder (9) close to the elastic arm (11), the transition part (10) is conical, the small end of the transition part (10) is positioned at one side close to the upper end cover (6) of the waterproof cap (4), and the outer diameter of the small end of the transition part (10) is adapted to the inner diameter of the connecting sleeve (5).

6. The waterproof wire connecting nose according to claim 1, wherein the top block (16) is conical, the large head end of the top block (16) is spherical, and the small head end of the top block (16) is located in the spring (15) and is not in contact with the bottom surface of the blind hole (14).

Images