CN210326278U

CN210326278U - Wire connection joint

Info

Publication number: CN210326278U
Application number: CN201921168141.9U
Authority: CN
Inventors: 赵建军; 马春芳; 朱光华
Original assignee: China Great Wall Wine Co ltd
Current assignee: China Great Wall Wine Co ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-04-14
Anticipated expiration: 2029-07-23

Abstract

The utility model provides a wire connection joint, which relates to the technical field of auxiliary wiring accessories and comprises a sleeve, a plugging cover and a clamping sleeve, wherein one end of the sleeve is provided with an opening and the inside of the sleeve is used for accommodating two wire ends; the plugging cover is used for plugging the open end of the sleeve and is in threaded connection with the sleeve; the clamping sleeve is sleeved on the peripheries of the two wire ends, and a plurality of helical teeth are arranged on the outer wall of the clamping sleeve; the inner wall of the plugging cover is provided with a plurality of elastic forks which are used for being clamped with the helical teeth. The utility model provides a wire connection connects, through the sleeve pipe and the effective isolation of shutoff lid realization wire connection and external of cover in two end of a thread peripheries of establishing, avoid wire connection to receive the potential safety hazard that external humid environment influences caused, after the end of a thread passes through the chucking cover to be fixed in the shutoff lid, the threaded connection who utilizes sleeve pipe and shutoff lid realizes screwing up two end of a thread rotations, guarantees switching on between two end of a thread, realizes the reliable connection of end of a thread.

Description

Wire connection joint

Technical Field

The utility model belongs to the technical field of the wiring accessories, more specifically say, relate to an electric wire connection connects.

Background

When power installation or power maintenance is performed, work for connecting two insulated wires is often required, and conventionally, two wire ends are respectively screwed together after an insulating sheath is removed, and finally, a plurality of layers of adhesive tapes are wound around the outer periphery of the two wire ends for insulation treatment.

However, the method for connecting the electric wires is complex to operate and is limited by the operation level of workers, the problem of disconnection caused by loose connection and falling is easy to occur, and in addition, the problems of poor sealing, poor insulation effect and easy electric leakage exist in the winding of the adhesive tape, so that great inconvenience and potential safety hazard are brought to users.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric wire connection connects to solve the electric wire connection operation that exists among the prior art complicated and the security performance poor technical problem who connects.

In order to achieve the above object, the utility model adopts the following technical scheme: the wire connecting joint comprises a sleeve, a plugging cover and a clamping sleeve, wherein one end of the sleeve is provided with an opening, and the inside of the sleeve is used for accommodating two wire ends; the plugging cover is used for plugging the open end of the sleeve and is in threaded connection with the sleeve; the clamping sleeve is sleeved on the peripheries of the two thread ends, and a plurality of helical teeth which are distributed along the circumferential direction of the clamping sleeve and are obliquely arranged towards one side of the free end far away from the thread ends are arranged on the outer wall of the clamping sleeve; the inner wall of the plugging cover is provided with a plurality of elastic forks which are used for being clamped with the helical teeth.

As a further optimization, the free end of the elastic fork is provided with a socket used for being clamped with the helical teeth.

As a further refinement, the resilient prongs extend to the side remote from the opening of the closure cap.

As a further optimization, the helical teeth are distributed in a plurality of rows in the axial direction of the clamping sleeve.

As a further optimization, the inner wall of the sleeve is also provided with at least two backstop sheets extending towards the open end of the sleeve, and the free ends of the backstop sheets incline towards the axis of the sleeve and are abutted against the outer walls of the two thread ends.

As a further optimization, the open end of the sleeve is provided with a connecting sleeve which extends outwards and is provided with an external thread, and the inner wall of the open end of the plugging cover is provided with an internal thread which is matched with the external thread of the connecting sleeve.

As a further optimization, one end of the sleeve far away from the open end is also provided with an elastic wrapping sleeve used for abutting against the peripheries of the two thread ends.

As a further optimization, a rubber sealing gasket is arranged between the end faces of the sleeve adjacent to the plugging cover.

As further optimization, the sleeve and the plugging cover are both insulating material members, and the clamping sleeve is a conductive material member.

As a further optimization, the outer wall of the clamping sleeve is provided with a through groove which is parallel to the main shaft of the clamping sleeve.

The utility model provides an electric wire connection connects's beneficial effect lies in: the utility model provides a wire connection connects, through the sleeve pipe and the effective isolation of shutoff lid realization wire connection and external of cover in two end of a thread peripheries of establishing, avoid wire connection to receive the potential safety hazard that external humid environment influences caused, after the end of a thread passes through the chucking cover to be fixed in the shutoff lid, the threaded connection who utilizes sleeve pipe and shutoff lid realizes screwing up two end of a thread rotations, guarantees switching on between two end of a thread, realizes the reliable connection of end of a thread.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural view of an electric wire connection terminal according to an embodiment of the present invention during installation;

FIG. 2 is a schematic view of the wire connecting terminal of FIG. 1 after completion of installation;

FIG. 3 is a schematic left side view of the closure of FIG. 1;

FIG. 4 is a schematic front view of the clamping sleeve of FIG. 1;

fig. 5 is a left side view of the structure of fig. 4.

In the figure: 100. a sleeve; 110. a withdrawal stopping sheet; 111. connecting sleeves; 120. an elastic wrapping sleeve; 200. a blocking cover; 210. an elastic fork; 211. a socket; 300. a clamping sleeve; 310. helical teeth; 320. a through groove; 500. a rubber gasket; 610. and (4) thread ends.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 5, the wire connection terminal according to the present invention will be described. The wire connecting joint comprises a sleeve 100, a blocking cover 200 and a clamping sleeve 300, wherein one end of the sleeve 100 is provided with an opening and the inside of the sleeve is used for accommodating two wire ends 610; the plugging cover 200 is used for plugging the open end of the sleeve 100 and is in threaded connection with the sleeve 100; the clamping sleeve 300 is sleeved on the peripheries of the two thread ends 610, and a plurality of helical teeth 310 which are distributed along the circumferential direction of the clamping sleeve 300 and are obliquely arranged towards one side of the free end far away from the thread ends 610 are arranged on the outer wall of the clamping sleeve 300; the inner wall of the blocking cover 200 is provided with a plurality of elastic forks 210 for engaging with the helical teeth 310. It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or be indirectly on the other element. The terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The utility model provides an electric wire connection connects, compared with the prior art, the utility model provides an electric wire connection connects, establish through the cover and realize effective isolation of electric wire connection and external world in sleeve pipe 100 and the shutoff lid 200 of two end of a thread 610 peripheries, avoid electric wire connection to receive the potential safety hazard that external humid environment influences caused, after end of a thread 610 passes through clamping sleeve 300 and fixes in shutoff lid 200, threaded connection through sleeve pipe 100 and shutoff lid 200 realizes screwing up two end of a thread 610 rotations, guarantees switching on between two end of a thread 610, realizes the reliable connection of end of a thread 610.

Referring to fig. 1 to 3, as an embodiment of the wire connection terminal provided by the present invention, the free end of the elastic fork 210 is provided with a socket 211 for engaging with the helical teeth 310. Elastic fork 210 one end links to each other with the inner wall of shutoff lid 200, the other end is provided with the socket 211 that is used for holding skewed tooth 310, the lateral wall of skewed tooth 310 contacts with the inner wall of socket 211 of elastic fork 210, realize skewed tooth 310 and elastic fork 210's effective joint, guarantee the relative stability of circumference position between shutoff lid 200 and the chucking cover 300, so that the in-process that shutoff lid 200 is connected with sleeve pipe 100 can drive the effect that the spiral was screwed up is realized to stub 610 in chucking cover 300 and the chucking cover 300, increase the area of contact between two stubs 610, guarantee effectual connection between two stubs 610. The elastic fork 210 is provided with two, three, four and other forms in the circumferential direction, so that the clamping connection of the plurality of helical teeth 310 in the circumferential direction of the socket 211 is conveniently realized, and the firmness of the connection of the clamping sleeve 300 and the plugging cover 200 in the circumferential direction is ensured.

Referring to fig. 1 to 2, as an embodiment of the wire connection terminal of the present invention, an elastic fork 210 extends to a side away from the opening of the plugging cover 200. The elastic fork 210 is clamped and fixed with the helical teeth 310 in the circumferential direction through the socket 211, the limitation on the axial position between the clamping sleeve 300 and the blocking cover 200 is realized through the clamping resistance of the elastic fork 210 and the helical teeth 310 in the axial direction, and the problem of separation caused by the movement of the thread end 610 to one end of the sleeve 100 is avoided. The elastic fork 210 and the helical teeth 310 are arranged in the same number in the circumferential direction, and may be in various forms such as three, four, five or six, in this embodiment, the elastic fork 210 and the helical teeth 310 are arranged in six in the circumferential direction, and the positioning of the thread end 610 in the circumferential direction and the axial direction is realized through the clamping action of the elastic fork 210 and the helical teeth 310.

Referring to fig. 1 to 5, as an embodiment of the wire connecting terminal of the present invention, the helical teeth 310 are distributed in a plurality of rows in the axial direction of the clamping sleeve 300. The helical teeth 310 may be arranged in two, three or more rows in the axial direction of the grip sleeve 300 to facilitate the adjustment of the length of the stub 610 inserted into the interior of the block-out cover 200.

Referring to fig. 1 to 2, as an embodiment of the wire connection terminal according to the present invention, at least two anti-back-off pieces 110 extending to the open end of the sleeve 100 are further disposed on the inner wall of the sleeve 100, and the free ends of the anti-back-off pieces 110 are inclined to the axis of the sleeve 100 and abut against the outer walls of the two wire ends 610. The arrangement of the anti-return sheet 110 can realize the position stability of the thread ends 610 in the sleeve 100, and effectively limit the circumferential position of the sleeve 100, so that the free ends of the thread ends 610 can be fixed relative to the circumferential direction of the plugging cover 200, the thread ends 610 close to the side of the sleeve 100 can be fixed relative to the circumferential direction of the sleeve 100, and further, in the process of threaded connection between the subsequent plugging cover 200 and the sleeve 100, the effect of rotary screwing can be generated between the two thread ends 610, and the effective conduction between the two thread ends 610 is ensured.

Referring to fig. 1 to 5, as an embodiment of the wire connection terminal according to the present invention, the open end of the sleeve 100 is provided with a connection sleeve 111 extending outward and having an external thread, and the inner wall of the open end of the blocking cover 200 is provided with an internal thread for matching with the external thread of the connection sleeve 111. Adapter sleeve 111 extends to the outside of sleeve pipe 100, the internal thread that sets up on the external screw thread of its periphery and the shutoff lid 200 inner wall can form effectual connection, guarantee the fastness of being connected between sleeve pipe 100 and the shutoff lid 200, the end of a thread 610 for inside provides stable accommodation space, the inner wall of shutoff lid 200 is the step form, the internal thread setting is on being close to the great inner wall of the opening side's of internal diameter, provide sufficient space for being connected of sleeve pipe 100 and shutoff lid 200.

Referring to fig. 1 to 2, as an embodiment of the wire connection terminal provided by the present invention, an end of the sleeve 100 away from the open end is further provided with an elastic wrapping cover 120 for abutting against the outer peripheries of the two wire ends 610. The arrangement of the elastic wrapping 120 further ensures effective sealing of the two wire ends 610 with the end of the sleeve 100, and prevents moisture from entering the sleeve 100 from the outer end of the sleeve 100 to affect the reliability of the wire connection.

Referring to fig. 1 to 5, as an embodiment of the wire connection terminal provided by the present invention, a rubber gasket 500 is further disposed between the end surfaces of the sleeve 100 adjacent to the plugging cover 200. The rubber sealing gasket 500 is arranged to realize effective sealing between the sleeve 100 and the plugging cover 200, so as to prevent the entry of humid air or moisture and ensure good sealing performance.

Referring to fig. 1 to 5, in an embodiment of the wire connection terminal according to the present invention, the sleeve 100 and the plugging cover 200 are both made of insulating material, and the clamping sleeve 300 is made of conductive material. The sleeve 100 and the plugging cover 200 are finally positioned outside the two wire ends 610, so that good insulation between the inner wire ends 610 and the external environment is realized, and the safety of power utilization is ensured. The clamping sleeve 300 is a member made of a conductive material, and can be made of a copper material or an iron material, so that good conductive performance between the two wire ends 610 is ensured.

Referring to fig. 4 to 5, in an embodiment of the wire connecting terminal according to the present invention, a through groove 320 is formed on an outer wall of the clamping sleeve 300 and is parallel to a main axis of the clamping sleeve 300. In order to effectively clamp the two thread ends 610 by the clamping sleeve 300, the inner diameter of the clamping sleeve 300 is smaller than the maximum outer diameter of the two thread ends 610 when the two thread ends 610 are arranged side by side, when the thread ends 610 penetrate into the clamping sleeve 300, the through groove 320 of the clamping sleeve 300 needs to be enlarged, so that the thread ends 610 can easily enter the clamping sleeve 300, and the through groove 320 of the clamping sleeve 300 automatically retracts after the thread ends 610 are put into the clamping sleeve 300, so that the two thread ends 610 can be effectively clamped.

In this embodiment, the insulation skin on the periphery of the wire end 610 of the electric wire to be connected needs to be removed first, then the two wire ends 610 are inserted into the sleeve 100 together, the insulation skin is left on the periphery of the end of the wire end 610 with the smaller diameter of the sleeve 100, which is convenient for ensuring the insulation effect of the subsequent joint, then the clamping sleeve 300 is clamped on the periphery of the two wire ends 610, the two wire ends 610 can be fastened by the clamping sleeve 300 to realize effective connection, and the free ends of the two wire ends 610 can also be effectively fixed without fastening by the clamping sleeve 300, when the clamping sleeve 300 is pushed into the plugging cover 200, the clamping of the elastic fork 210 and the inclined teeth 310 on the periphery of the clamping sleeve 300 is realized, so that the wire end 610 is stably located in the plugging cover 200, the plugging cover 200 is screwed on the open end of the sleeve 100 in a rotating manner, and the effective connection between the sleeve 100 and the plugging cover 200 is realized.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Wire attach fitting, its characterized in that includes:

the sleeve (100) is provided with an opening at one end and internally used for accommodating two wire ends (610);

a plugging cover (200) for plugging the open end of the sleeve (100) and being in threaded connection with the sleeve (100); and

the clamping sleeve (300) is sleeved on the peripheries of the two thread ends (610), and a plurality of inclined teeth (310) which are distributed along the circumferential direction of the clamping sleeve (300) and are obliquely arranged towards one side of the free end far away from the thread ends (610) are arranged on the outer wall of the clamping sleeve (300);

the inner wall of the blocking cover (200) is provided with a plurality of elastic forks (210) which are used for being clamped with the helical teeth (310).

2. The wire connection joint according to claim 1, characterized in that the free end of the elastic fork (210) is provided with a socket (211) for engaging with the helical tooth (310).

3. The wire connection terminal according to claim 1, wherein the elastic fork (210) extends to a side away from the opening of the block cover (200).

4. The wire connection terminal according to any one of claims 1 to 3, wherein the helical teeth (310) are distributed in several rows in the axial direction of the clamping sleeve (300).

5. The wire connection terminal according to claim 1, wherein the inner wall of the sleeve (100) is further provided with at least two retaining pieces (110) extending toward the open end of the sleeve (100), and free ends of the retaining pieces (110) are inclined toward the axial center of the sleeve (100) and abut against outer walls of the two wire ends (610).

6. The wire connection terminal according to claim 5, wherein the open end of the sleeve (100) is provided with a connection sleeve (111) extending outward and provided with an external thread, and an internal thread for mating with the external thread of the connection sleeve (111) is provided on an inner wall of the open end of the block cover (200).

7. The wire connection terminal according to claim 1, wherein an end of the sleeve (100) remote from the open end is further provided with an elastic wrapping (120) for abutting against the outer peripheries of the two stubs (610).

8. The wire connection joint according to claim 1, wherein a rubber packing (500) is further provided between the end faces of the sleeve (100) adjacent to the block cover (200).

9. The wire connection terminal according to claim 1, wherein the sleeve (100) and the block cover (200) are both made of an insulating material, and the clamping sleeve (300) is made of a conductive material.

10. The wire connection terminal according to any one of claims 5 to 9, wherein the clamping sleeve (300) is provided on an outer wall thereof with a through groove (320) disposed parallel to a main axis of the clamping sleeve (300).