CN218958105U - Sealing waterproof tail claw connector - Google Patents

Abstract

The utility model belongs to the technical field of connectors, and particularly relates to a sealing waterproof tail claw connector, which comprises a main body; the front end of the main body is provided with an electric connector, the rear end of the main body is provided with a tail claw, the rear end of the main body is also in threaded connection with an annular rear cover, the annular rear cover is covered outside the tail claw, and a cable passes through an annular hole of the annular rear cover and the center of the tail claw and extends into the main body to be electrically connected with the electric connector; the annular hole of annular back lid inlays and is equipped with a sealing ring, screw up when the lid behind the annular, the sealed outer wall that compresses tightly the cable of tail claw, just the sealing ring parcel is sealed to be compressed tightly the outer wall of tail claw has improved the leakproofness of tail claw, even has tiny gap between each claw of tail claw, the sealing ring also can tightly wrap up the tail claw and block the inflow of the outside water of product, has improved the sealing performance of this waterproof tail claw connector of seal greatly, and waterproof effect is good.

Description

Sealing waterproof tail claw connector

Technical Field

The utility model belongs to the technical field of connectors, and particularly relates to a sealing waterproof tail claw connector.

Background

The electric connector is a high-precision and high-quality automatic plugging and self-locking device which is widely applied to various power supplies, signals and challenging environments and occasions, such as the fields of LED screens, medical equipment, industrial control, detection and measurement equipment, AV systems, broadcast television, communication and the like.

The existing waterproof connector is generally provided with a tail claw structure at the end, the wire is clamped through the tail claw structure to be sealed and waterproof, and waterproof effect is achieved, however, when the waterproof connector is assembled, if the tail claws are tightly pressed by the end cover, the tail claws are not tightly attached to each other, small gaps are easily formed between the claws, inflow of external water of a product is not easily blocked, waterproof effect is poor, and use of the product is affected.

Disclosure of Invention

The utility model aims to provide a sealing waterproof tail claw connector, which aims to solve the technical problems that when the waterproof connector in the prior art is assembled, if an end cover is not tightly pressed on a tail claw, the tail claws are not tightly attached, small gaps are easy to appear among the claws, inflow of water outside a product is not easy to block, the waterproof effect is poor, and the use of the product is affected.

In order to achieve the above object, the embodiment of the present utility model provides a sealed waterproof tail claw connector, including a main body; the front end of the main body is provided with an electric connector, the rear end of the main body is provided with a tail claw, the rear end of the main body is also in threaded connection with an annular rear cover, the annular rear cover is covered outside the tail claw, and a cable passes through an annular hole of the annular rear cover and the center of the tail claw and extends into the main body to be electrically connected with the electric connector; the annular hole of the annular rear cover is embedded with a sealing ring, when the annular rear cover is screwed down, the tail claw is tightly pressed on the cable in a sealing mode, and the tail claw is wrapped and tightly pressed on the sealing ring.

Optionally, the tail claw is tapered to be conical from being close to one end of main part to keeping away from the one end of main part, the annular ring of sealing ring is the taper hole, the inner wall seal in taper hole compresses tightly the outer wall of tail claw.

Optionally, the annular hole of annular back lid is kept away from the protruding spacing platform that is equipped with of one end inner wall of main part, the protruding spacing ring that is equipped with of one end of sealing ring, the spacing ring butt in spacing platform.

Optionally, the annular hole of annular back lid is close to the one end inner wall of main part is equipped with first internal thread, the rear end of main part is close to the outer wall of tail claw is equipped with first external screw thread, first external screw thread with first internal screw thread cooperation is connected.

Optionally, the front end of the main body is provided with an opening communicated with the inside of the main body, the opening adaptive cover is provided with a front cover, the front cover is provided with a perforation in a penetrating way, the rear end of the electric connector is inserted into the inside of the main body from the opening, and the seal of the electric connector penetrates through the perforation and stretches out of the front cover.

Optionally, a second external thread is arranged on the outer wall of the front end of the main body, a second internal thread is arranged on the inner wall of the front cover, and the second internal thread is in fit connection with the second external thread; the outer wall of the front cover is annularly and uniformly provided with a plurality of first bulges.

Optionally, a sealing ring is arranged between the front cover and the front end of the main body.

Optionally, an external threaded connection ring is rotatably connected to the front end of the electrical connector.

Optionally, the front end edge of the electric connector is convexly provided with an annular limiting part, and the annular limiting part is larger than an annular hole of the external threaded connecting ring and is used for limiting the axial movement of the external threaded connecting ring.

Optionally, a plurality of second protrusions are annularly and uniformly distributed on the outer wall of the external thread connecting ring.

Compared with the prior art, the one or more technical schemes in the sealing waterproof tail claw connector provided by the embodiment of the utility model have at least one of the following technical effects:

when the annular rear cover is screwed up, and the annular hole of the annular rear cover is embedded with a sealing ring, the annular rear cover drives the sealing ring to gradually push and extrude the tail claw to gather together inwards, so that the tail claw is reduced and seals the outer wall of the cable tightly, the inner wall of the tail claw tightly compresses the outer wall of the cable, and the tail claw is wrapped by the sealing ring, so that the sealing ring wraps and seals the outer wall of the tail claw tightly, the tightness of the tail claw is further improved, even if a tiny gap exists between the tail claws, the sealing ring can also tightly wrap the tail claw to block the inflow of external water of a product, the sealing performance of the sealing waterproof tail claw connector is greatly improved, and the waterproof effect is good.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of the sealed waterproof tail claw connector of the present utility model.

Fig. 2 is an exploded view of the sealed waterproof tail-claw connector of the present utility model.

Fig. 3 is a cut-away view of the sealed waterproof tail-claw connector of the present utility model.

Fig. 4 is an exploded cut-away view of the sealed waterproof tail-claw connector of the present utility model.

Wherein, each reference sign in the figure:

100. a main body; 110. tail claws; 120. a cable; 130. a first external thread; 140. a second external thread;

200. an electrical connector; 210. an annular limit part; 220. an external threaded connection ring; 221. a second protrusion; 222. a third external thread;

300. an annular rear cover; 310. a seal ring; 311. a conical bore; 312. a limiting ring; 320. a limiting table; 330. a first internal thread;

400. a front cover; 410. a second internal thread; 420. a first protrusion; 430. and (3) sealing rings.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended to illustrate embodiments of the utility model and should not be construed as limiting the utility model.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In one embodiment of the present utility model, referring to fig. 1-4, a sealed waterproof tail-claw connector is provided, comprising a body 100.

Referring to fig. 2-4, an electrical connector 200 is disposed at the front end of the main body 100, a tail claw 110 is disposed at the rear end of the main body 100, an annular rear cover 300 is further screwed at the rear end of the main body 100, the annular rear cover 300 is covered outside the tail claw 110, and a cable 120 passes through an annular hole of the annular rear cover 300 and the center of the tail claw 110 and extends into the main body 100 to be electrically connected with the electrical connector 200.

Referring to fig. 2-4, a sealing ring 310 is embedded in the annular hole of the annular rear cover 300, the sealing ring 310 is sleeved outside the cable 120, when the annular rear cover 300 is screwed down, the tail claw 110 seals and compresses the cable 120, and the sealing ring 310 wraps and seals and compresses the tail claw 110.

The sealing ring 310 is made of silica gel or rubber, and has good elasticity and good sealing effect.

Referring to fig. 2-4, the tail claw 110 is formed by combining a plurality of claw sheets which are annularly and uniformly distributed, and is a mature prior art.

Specifically, referring to fig. 2-4, when the annular rear cover 300 is screwed down, and the annular hole of the annular rear cover 300 is embedded with a sealing ring 310, the annular rear cover 300 drives the sealing ring 310 to gradually push and press the tail claws 110 to gather inwards, so that the tail claws 110 shrink and seal the outer wall of the compression cable 120, the inner wall of the tail claws 110 tightly compress the outer wall of the cable 120, and the tail claws 110 are wrapped by the sealing ring 310, so that the sealing ring 310 wraps and seals the outer wall of the tail claws 110, the tightness of the tail claws 110 is further improved, and even if small gaps exist between the claws of the tail claws 110, the sealing ring 310 can tightly wrap the tail claws 110 to block the inflow of external water of products, so that the sealing performance of the sealing waterproof connector of the tail claws 110 is greatly improved, and the waterproof effect is good.

In another embodiment of the present utility model, referring to fig. 2-4, the tail claw 110 is tapered from one end close to the main body 100 to one end far from the main body 100, the annular hole of the sealing ring 310 is a conical hole 311, and the inner wall of the conical hole 311 seals and presses the outer wall of the tail claw 110. When the annular rear cover 300 is screwed down, the conical hole 311 can gradually push and press the tail claw 110 to gather inwards, so that the tail claw 110 is sealed and pressed against the cable 120, and the sealing ring 310 is sealed and pressed against the tail claw 110, so that the sealing effect is good.

Further, referring to fig. 2-4, a limiting table 320 is protruding from an inner wall of an end of the annular back cover 300 away from the main body 100, a limiting ring 312 is protruding from an end of the sealing ring 310, and the limiting ring 312 abuts against the limiting table 320, so that the sealing ring 310 is clamped in the annular hole of the annular back cover 300, and the sealing ring 310 is not separated when the annular back cover 300 is screwed.

Further, referring to fig. 2 to 4, the annular ring of the annular rear cover 300 is provided with a first internal thread 330 near an inner wall of one end of the main body 100, the rear end of the main body 100 is provided with a first external thread 130 near an outer wall of the tail claw 110, and the first external thread 130 is cooperatively connected with the first internal thread 330, so that the annular rear cover 300 is in threaded connection with the rear end of the main body 100. When the annular rear cover 300 is screwed, the annular rear cover 300 can push the sealing ring 310 to seal and press the tail claws 110, so that the tail claws 110 are pressed to press the cable 120.

In another embodiment of the present utility model, referring to fig. 2-4, the front end of the main body 100 is provided with an opening communicating with the inside of the main body, the opening is adapted to be covered with a front cover 400, the front cover 400 is provided with a through hole therethrough, the rear end of the electrical connector 200 is inserted into the inside of the main body 100 from the opening, and the seal of the electrical connector 200 is disposed through the through hole and extends out of the front cover 400. The front cover 400 is provided, and when assembled, the electric connector 200 is conveniently installed in the main body 100 and the front cover 400, thereby facilitating product assembly.

Further, referring to fig. 2 to 4, the outer wall of the front end of the main body 100 is provided with a second external thread 140, the inner wall of the front cover 400 is provided with a second internal thread 410, and the second internal thread 410 is cooperatively connected with the second external thread 140, so that the front cover 400 is fixedly connected to the front end of the main body 100, and the connection is firm. The outer wall of the front cover 400 is uniformly provided with a plurality of first protrusions 420 in an annular shape, the first protrusions 420 are arranged to increase the friction coefficient between the front cover 400 and fingers of a user, and the front cover 400 is convenient for the user to twist and operate.

Further, referring to fig. 2 to 4, a sealing ring 430 is disposed between the front cover 400 and the front end of the main body 100, and the sealing ring 430 improves the sealing performance between the front cover 400 and the main body 100, prevents the product external water from flowing into the main body 100 from the front end opening of the main body 100, and has good sealing performance.

In another embodiment of the present utility model, referring to fig. 2-4, an external thread connection ring 220 is rotatably connected to the front end of the electrical connector 200, and a third external thread 222 is provided on the outer wall of the front end of the external thread connection ring 220, so that when the electrical connector 200 is docked with a connection socket (not shown) of another connector, the external thread connection ring 220 is cooperatively connected with an internal thread on the connection socket through the third external thread 222 thereon, so that the electrical connector 200 is firmly docked with the connection socket of the other connector.

Further, referring to fig. 2-4, the front edge of the electrical connector 200 is convexly provided with an annular limiting portion 210, the annular limiting portion 210 is larger than the annular hole of the externally threaded connecting ring 220 and is used for limiting the axially moving of the externally threaded connecting ring 220, and the annular limiting portion 210 plays a role in limiting, so that the externally threaded connecting ring 220 can only rotate on the electrical connector 200 and cannot fall off from the electrical connector 200, and the structure is stable.

Further, referring to fig. 2-4, a plurality of second protrusions 221 are uniformly distributed on the outer wall of the rear end of the externally threaded connecting ring 220, and the second protrusions 221 are provided to increase the friction coefficient between the outer wall of the externally threaded connecting ring 220 and the fingers of the user, so that the user can conveniently screw the externally threaded connecting ring 220, and the operation is convenient.

The rest of the present embodiment is the same as the first embodiment, and the unexplained features in the present embodiment are all explained by the first embodiment, and are not described here again.

The foregoing is a further detailed description of the utility model in connection with the preferred embodiments, and it is not intended that the utility model be limited to the specific embodiments described. For those skilled in the art, the architecture of the utility model can be flexible and changeable without departing from the concept of the utility model, and serial products can be derived. But a few simple derivatives or substitutions should be construed as falling within the scope of the utility model as defined by the appended claims.

Claims (10)

1. A sealed waterproof tail claw connector comprising a body; the front end of the main body is provided with an electric connector, the rear end of the main body is provided with a tail claw, the rear end of the main body is also in threaded connection with an annular rear cover, the annular rear cover is covered outside the tail claw, and a cable passes through an annular hole of the annular rear cover and the center of the tail claw and extends into the main body to be electrically connected with the electric connector; the cable is characterized in that a sealing ring is embedded in an annular hole of the annular rear cover, when the annular rear cover is screwed, the tail claw is tightly pressed on the cable in a sealing mode, and the tail claw is wrapped and tightly pressed by the sealing ring.

2. The sealed waterproof tail-claw connector of claim 1 wherein: the tail claw is tapered to be conical from being close to one end of main part to keeping away from one end of main part, the annular ring of sealing ring is the taper hole, the inner wall seal in taper hole compresses tightly the outer wall of tail claw.

3. The sealed waterproof tail-claw connector of claim 1 wherein: the annular hole of the annular rear cover is far away from the inner wall of one end of the main body, a limiting table is convexly arranged at one end of the sealing ring, and the limiting ring is abutted to the limiting table.

4. The sealed waterproof tail-claw connector of claim 1 wherein: the annular hole of annular back lid is close to the one end inner wall of main part is equipped with first internal thread, the rear end of main part is close to the outer wall of tail claw is equipped with first external screw thread, first external screw thread with first internal screw thread cooperation is connected.

5. The sealed, waterproof tail-gate connector of any of claims 1-4, wherein: the front end of the main body is provided with an opening communicated with the inside of the main body, the opening is matched with the cover, the front cover is provided with a through hole in a penetrating mode, the rear end of the electric connector is inserted into the inside of the main body from the opening, and the electric connector is sealed to penetrate through the through hole and extend out of the front cover.

6. The sealed waterproof tail-claw connector of claim 5 wherein: the outer wall of the front end of the main body is provided with a second external thread, the inner wall of the front cover is provided with a second internal thread, and the second internal thread is connected with the second external thread in a matching way; the outer wall of the front cover is annularly and uniformly provided with a plurality of first bulges.

7. The sealed waterproof tail-claw connector of claim 5 wherein: a sealing ring is arranged between the front cover and the front end of the main body.

8. The sealed, waterproof tail-gate connector of any of claims 1-4, wherein: the front end of the electric connector is rotationally connected with an external threaded connecting ring.

9. The sealed waterproof tail-claw connector of claim 8 wherein: the front end edge of the electric connector is convexly provided with an annular limiting part, and the annular limiting part is larger than an annular hole of the external threaded connecting ring and used for limiting the axial movement of the external threaded connecting ring.

10. The sealed waterproof tail-claw connector of claim 8 wherein: the outer wall of the external thread connecting ring is annularly and uniformly provided with a plurality of second bulges.

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