CN216530491U

CN216530491U - Wire outlet sleeve and electric device with same

Info

Publication number: CN216530491U
Application number: CN202123438173.6U
Authority: CN
Inventors: 郑春开; 张勇; 贾海威
Original assignee: Kedu Electric Co Ltd
Current assignee: Kedu Electric Co Ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-05-13
Anticipated expiration: 2031-12-30

Abstract

The utility model provides a wire outlet sleeve and an electric device with the same, belonging to the technical field of electric elements, wherein the wire outlet sleeve comprises: the sealing part extends along the axial direction; the center of the connecting part and the sealing part is provided with a central through hole for passing a cable; a framework is embedded in the inner wall of the connecting part, a sealing sleeve extending towards the central through hole is arranged on the inner wall of the sealing part, and an elastic necking used for a cable to pass through is formed in the center of the sealing sleeve; according to the wire outlet sleeve, the framework is embedded in the connecting part for connecting with the wire outlet of the electric device, and the strength of the connecting part is improved through the support of the framework, so that the problem that a gap is formed between the wire outlet sleeve and the electric device when an external cable is pulled by an external force is solved, the tightness of sealing the wire outlet through the wire outlet sleeve is ensured, and the protection effect on a product is improved.

Description

Wire outlet sleeve and electric device with same

Technical Field

The utility model relates to the technical field of electrical elements, in particular to a wire outlet sleeve and an electrical device with the same.

Background

Among the current earth-leakage protector, be connected with the wire sleeve of rubber material on the outlet for the wiring, be used for wrapping up the cable of business turn over earth-leakage protector through this wire sleeve to avoid the clearance of being qualified for the next round of competitions in this outlet department, improve earth-leakage protector's protective capability.

However, the rubber material adopted by the existing wire outgoing sleeve is soft, and when an external cable is pulled by external force, a gap appears between the wire outgoing sleeve and an electric device, so that the waterproof effect of the leakage protector is influenced.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims to solve the technical problem of overcoming the defect that when an external cable is pulled by an external force, a gap is easily formed between the wire outlet sleeve and an electric device to cause loose sealing in the prior art, thereby providing the wire outlet sleeve and the electric device with the wire outlet sleeve.

In order to solve the above technical problem, the present invention provides an outlet sleeve, including: the sealing part extends along the axial direction;

the centers of the connecting part and the sealing part are provided with a central through hole for passing a cable;

the inner wall of the connecting part is embedded with a framework, the inner wall of the sealing part is provided with a sealing sleeve extending towards the central through hole, and the center of the sealing sleeve is provided with an elastic necking for a cable to pass through.

Optionally, the skeleton has an inner wall partially forming the connection portion.

Optionally, the outer wall of the connecting portion is provided with two annular flanges arranged at intervals, and an annular groove for clamping the outlet of the electric device is formed at the interval of the two annular flanges.

Optionally, the bottom of the annular groove has a first resilient projection.

Optionally, the position of the annular groove corresponds to the position of the inner wall of the connecting portion formed by the framework.

Optionally, a part of the framework is embedded in a first annular flange, which is close to the end, of the annular flanges.

Optionally, the skeleton has an annular plate for embedding within the first annular flange, the annular plate having a plurality of through holes therein.

Optionally, the framework is a plastic part, and the connecting part and the sealing part wrapped outside the framework are rubber parts.

Optionally, the sealing portion extends axially outward relative to the connecting portion, and a sealing sleeve in the sealing portion is tapered toward an inner direction.

The utility model provides an electric device which is provided with a wire outlet used for connecting a cable, wherein the wire outlet is connected with a wire outlet sleeve in any one of the schemes.

The technical scheme of the utility model has the following advantages:

1. according to the wire outlet sleeve, the framework is embedded in the connecting part for connecting with the wire outlet of the electric device, and the strength of the connecting part is improved through the support of the framework, so that the problem that a gap is formed between the wire outlet sleeve and the electric device when an external cable is pulled by an external force is solved, the tightness of sealing the wire outlet through the wire outlet sleeve is guaranteed, and the protection effect of the product is improved.

2. The electric device provided by the utility model can be an electric switch for a leakage protector, and the outlet is provided with the outlet sleeve, so that the waterproof effect of the product is better.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a cut-away perspective view of one embodiment of an outlet sleeve provided in an embodiment of the present invention.

Fig. 2 is a perspective view of the outlet collar of fig. 1.

Fig. 3 is a front cross-sectional view of the outlet sleeve of fig. 1 installed at an outlet of an electrical device.

Fig. 4 is a perspective view of the carcass in the outlet sleeve of fig. 1.

Fig. 5 is a perspective view of another side of the armature of fig. 4.

Fig. 6 is another perspective view of the outlet collar of fig. 2.

Description of reference numerals:

1. a wire outlet sleeve; 2. a connecting portion; 3. a sealing part; 4. a framework; 5. sealing sleeves; 6. elastic necking; 7. a first annular flange; 8. a second annular flange; 9. an annular groove; 10. a first elastic protrusion; 11. an annular plate; 12. through the hole; 13. positioning holes; 14. a second elastic protrusion; 15. an electrical device.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

The outlet sleeve 1 provided by the embodiment is used for being connected to the outlet of the electric device 15, and the cable at the outlet is sealed, so that the protection effect of the electric device 15 is improved.

As shown in fig. 1, a specific embodiment of an outlet collar 1 provided in this embodiment includes: a connecting portion 2 for connection with an outlet of the electric device 15 and a seal portion 3 extending in the axial direction; the centers of the connecting part 2 and the sealing part 3 are provided with a central through hole for passing a cable; a framework 4 is embedded in the inner wall of the connecting part 2, a sealing sleeve 5 extending towards the central through hole is arranged on the inner wall of the sealing part 3, and an elastic necking 6 for a cable to pass through is formed in the center of the sealing sleeve 5.

The wire outlet sleeve 1 that this embodiment provided has buried skeleton 4 underground in connecting portion 2 that is used for going on being connected with the outlet of electrical part 15, through the support of skeleton 4 to when avoiding external force to drag outside cable conductor, lead to the problem that the gap appears between wire outlet sleeve and the electrical part, thereby guarantee to carry out sealed tightness through wire outlet sleeve 1 to outlet department, improve the protective effect to the product.

In the outlet sleeve 1 provided by the embodiment, the framework 4 can be made of plastic parts and has a strong supporting effect, and then rubber is adopted to perform injection molding and encapsulation on the framework 4 to form the outlet sleeve 1, wherein the rubber is made of soft materials and can be in contact with a cable for sealing protection. In addition, as an alternative embodiment, the framework 4 may also be made of other hard materials, such as metal pieces.

As shown in fig. 1 to 3, in the case of the lead-out bush 1 provided in the present embodiment, the framework 4 has an inner wall partially forming the connecting portion 2, and the corresponding outer wall of the inner wall is used for connecting with a lead-out port of an electric device 15. It is specific, have two annular flanges that the interval set up on the outer wall of connecting portion 2, two the annular flange is first annular flange 7 and second annular flange 8 respectively, is formed with at the interval department of first annular flange 7 and second annular flange 8 and is used for the joint the annular groove 9 of the outlet of electrical part 15, the position at annular groove 9 place with skeleton 4 forms the position at the inner wall place of connecting portion 2 is corresponding, and the support through skeleton 4 improves the rigidity that the outlet bush 1 lies in the outlet junction, avoids when external force pulls external cable conductor, leads to the problem that the gap appears between outlet bush and the electrical part. In addition, as a preferred embodiment, the bottom of the annular groove 9 is provided with a first elastic projection 10 for further improving the connection sealing between the outlet sleeve 1 and the outlet of the electric device 15.

As shown in fig. 1, in the outlet collar 1 provided in the present embodiment, a portion of the skeleton 4 is embedded in the first annular flange 7 near the end of the annular flange. The part of the framework 4 is used for being clamped and fixed inside the outlet of the electric device 15, so that the firmness of the connection between the outlet sleeve 1 and the shell of the electric device 15 is improved.

As shown in fig. 4 and 5, the framework 4 has an annular plate 11 embedded in the first annular flange 7, and the annular plate 11 has a plurality of through holes 12, and specifically, the through holes 12 may be circular holes or rectangular holes. The annular plate 11 can be used for clamping the outlet sleeve 1 inside the outlet in a comprehensive mode, and the through holes 12 in the annular plate 11 are used for enabling rubber to pass through when injection molding and rubber coating are carried out, so that the rubber can be coated on the framework 4 better, and the bonding strength of the rubber and the framework 4 is improved.

As shown in fig. 5 and 6, a plurality of positioning holes 13 are formed in the annular plate 11 of the framework 4 on a surface facing the end, and specifically, the positioning holes 13 may be counter bores with internal threads. When the injection molding and encapsulation are carried out, the positioning piece is connected to the positioning hole 13, so that the framework 4 is conveniently positioned, and the uniformity of the injection molding and encapsulation of the lead-out sleeve 1 is ensured.

As shown in fig. 1 and 3, the sealing portion 3 extends outward in the axial direction with respect to the connecting portion 2, and the sealing sleeve 5 in the sealing portion 3 is tapered toward the inner direction. When the cable is inserted towards the inside of the electric appliance through the wire outlet sleeve 1, the outer wall of the cable can be wrapped by the sealing part 3 with the taper, so that the waterproof performance of the outer wall of the cable is guaranteed. In addition, as an alternative embodiment, the sealing part 3 may be arranged parallel to the outlet, or taper towards the outside, and then after the cable is inserted, the sealing part 3 is restored by retracting the cable, thereby ensuring the water resistance of the outer wall of the cable.

As shown in fig. 1 and 3, a second elastic protrusion 14 for sealing is formed on one end of the outlet sleeve 1 for connecting to an electric device 15, and the second elastic protrusion 14 is used for contacting with a housing of the electric device 15, so that a waterproof effect on an outlet of the electric device 15 is improved.

In addition, the present embodiment also provides an electric device 15, and the electric device 15 may be an electric switch, or other electric products requiring a cable connection. The shell of the electric device 15 is provided with a wire outlet for connecting a cable, and the wire outlet is connected with the wire outlet sleeve 1 in the scheme.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the utility model may be made without departing from the scope of the utility model.

Claims

1. An outlet sleeve, comprising: a connecting part (2) for connecting with an outlet of an electric device and a sealing part (3) extending along the axial direction;

the centers of the connecting part (2) and the sealing part (3) are provided with a central through hole for passing a cable;

a framework (4) is embedded in the inner wall of the connecting portion (2), a sealing sleeve (5) extending towards the central through hole is arranged on the inner wall of the sealing portion (3), and an elastic necking (6) for a cable to pass through is formed in the center of the sealing sleeve (5).

2. An outlet sleeve according to claim 1, characterised in that the skeleton (4) has an inner wall that partly forms the connection part (2).

3. The collar as claimed in claim 2, characterised in that the outer wall of the connecting portion (2) has two spaced annular flanges, the spacing of which forms an annular groove (9) for snap-fitting the outlet of the electrical device.

4. An outlet sleeve according to claim 3, characterised in that the bottom of the annular groove (9) has a first resilient projection (10).

5. An outlet sleeve according to claim 3, characterised in that the annular groove (9) is located in a position corresponding to the position of the inner wall of the connection portion (2) formed by the skeleton (4).

6. An outlet sleeve according to claim 3, characterised in that a portion of said skeleton (4) is embedded in the first annular flange (7) of said annular flanges close to the ends.

7. An outlet sleeve according to claim 6, characterised in that the skeleton (4) has an annular plate (11) for embedding in the first annular flange (7), the annular plate (11) having a plurality of through holes (12) therein.

8. An outlet bushing according to claim 7, characterized in that the skeleton (4) is a plastic piece, the connecting portion (2) and the sealing portion (3) externally wrapped by the skeleton (4) being rubber pieces.

9. An outlet sleeve according to any one of claims 1-8, characterised in that the sealing portion (3) extends axially outwards with respect to the connecting portion (2), the sealing sleeve (5) in the sealing portion (3) being tapered towards the inside.

10. An electrical device characterized by an outlet for connecting a cable, said outlet having an outlet sleeve according to any one of claims 1 to 9 attached thereto.