CN210297226U

CN210297226U - Middle head connecting device

Info

Publication number: CN210297226U
Application number: CN201921463078.1U
Authority: CN
Inventors: 熊炽坚; 郭志和; 陈炳健
Original assignee: Guangdong Power Grid Co Ltd; Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
Current assignee: Guangdong Power Grid Co Ltd; Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2020-04-10
Anticipated expiration: 2029-09-04

Abstract

The embodiment of the utility model discloses a middle head connecting device, which comprises a shell, two protective sheets and inserting tables symmetrically arranged at the two ends of the shell, wherein a joint hollow cover corresponding to the inserting table is arranged in the shell, annular movable grooves are arranged at the two ends of the joint hollow cover, the two protective sheets are respectively arranged at the two ends of the joint hollow cover, the device is provided with the shell, when a cable is connected, a lead can be inserted into the joint hollow cover through the inserting table, then the joint is covered through the protective sheets and a sealing ring sheet, even if explosion occurs, the internal fragmentary parts cannot easily fly out, meanwhile, the sealing cover can be covered, so that the insulating ring cover is inserted into the sealing ring sheet to further fix the joint, when the external joint is burnt, the joint in the shell can not be influenced due to the existence of the shell and the sealing cover, when in use, the external joints do not affect the joints in the housing, and the joints in the housing do not affect the external joints.

Description

Middle head connecting device

Technical Field

The utility model relates to a cable joint technical field especially relates to a middle head device of plugging into.

Background

An intermediate joint is generally referred to as a cable intermediate joint, i.e. a cable joint in the middle of a cable run. The intermediate connector is a cable accessory for the intermediate connection of cross-linked cables or oil-immersed cables of various voltage classes. The main effect is that make the circuit unobstructed, make the cable keep sealed to guarantee the insulation level of cable joint department, make its safe and reliable operation, and present intermediate head preparation is comparatively difficult, needs the manual work to operate, and the preparation technology is complicated, and the staff need consume very long time and accomplish this operation, so provide the device that can directly plug into two cables.

At present, when a user makes an intermediate joint in a cable duct, a plurality of joints are arranged to connect a plurality of cables, then the joints are all piled up at one position, the operation is complex, the protection performance is low, once one joint is open fire due to short circuit and other conditions, other joints are easily ignited, even explosion between the joints can be caused, the large-scale cables are damaged, the joints are exploded, the internal fragmentary parts can be splashed out, the danger of equipment is improved, if the user explodes when the cable is detected, the safety of the user can be affected.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model discloses middle head device of plugging into to in case there is a joint because open fire appears in the condition such as short circuit among the solution prior art, just very easily make other joints be ignited, can arouse the explosion between the joint even, make cable on a large scale be damaged, and the joint explodes, its inside fragmentary part just can splash and go out, thereby improve equipment's danger, if the user explodes when carrying out the cable detection, just can cause the problem of influence to user's safety.

The embodiment of the utility model provides a middle head device of plugging into, including shell and two protecting plates to and the symmetry is installed at the platform that inserts at the shell both ends install in the shell and insert the joint cavity cover that the platform corresponds, the annular movable groove has all been seted up, two at the both ends that connect the cavity cover the protecting plate is located the both ends that connect the cavity cover respectively, be provided with the through connection cavity cover in the annular movable groove and with protecting plate lug connection's mobile station, the mobile station is equipped with the removal bevel ring in the one end of keeping away from the protecting plate, the protecting plate is provided with the seal ring piece in the one side of keeping away from joint cavity cover, the seal ring piece passes through the promotion spring is connected with the shell.

As an optimized scheme of the utility model, the annular movable groove is provided with trapezoidal sloping platform in the one end of keeping away from the protecting chip, trapezoidal sloping platform is located annular movable groove and covers sliding connection with joint cavity, run through connection has the isolated ring cover of the transversal T style of calligraphy structure of personally submitting on the mobile station, the one end that the protecting chip was kept away from to isolated ring cover is located annular movable groove, just be connected with fixed spring between isolated ring cover and the shell, trapezoidal sloping platform is located between isolated ring cover and the removal sloping ring, the ring cover recess that blocks isolated ring cover is seted up to the side of sealing ring piece.

As an optimized scheme of the utility model, the semi-ring through groove has been seted up to the inner wall in annular movable groove the semi-ring is run through the inslot and is installed the stationary half ring, the internal surface of mobile station is provided with the arc platform that is used for promoting the stationary half ring.

As a preferred scheme of the utility model, the protection plate comprises two half ring pieces, just the transversal right trapezoid structure of personally submitting of protection plate, the one end that the shell was kept away from to the protection plate is provided with sealed lid, sealed lid is connected with a plurality of at a side surface that is close to the protection plate and promotes the piece.

As an optimized scheme of the utility model, the protection piece is provided with supplementary arc piece on a side surface that is close to the seal ring piece, the side of seal ring piece is provided with the supplementary recess that blocks supplementary arc piece.

According to the technical solution provided by the utility model, the embodiment of the utility model has the following advantage:

this equipment is provided with the shell, when the user carries out cable plugging into, can be directly through inserting a joint cavity cover, the operation of plugging into, later rethread protecting sheet covers with the sealed ring piece will connect, even the inside fragmentary part of explosion also can not fly out easily, the user still can cover sealed lid simultaneously, thereby make isolated ring cover insert in the sealed ring piece realize the further fixed that connects, and when external joint burning, the joint in the shell can not receive the influence because of the existence of shell and sealed lid, the security of this equipment is further improved promptly, when using, external joint can not influence the joint in the shell, and the joint in the shell can not influence the external world yet.

Drawings

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

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

fig. 2 is a side, partial cross-sectional view of an embodiment of the invention;

fig. 3 is an enlarged view of a portion a in fig. 1.

In the figure:

1-a housing; 2-protective sheet; 3-an insertion station; 4-joint hollow cover; 5-a mobile station; 6-sealing ring sheet; 7-sealing cover;

201-half ring piece; 202-auxiliary arc sheet;

401-annular active groove; 402-trapezoidal sloping platforms; 403-a fixed spring; 404-semi-ring through groove; 405-stationary half ring;

501-isolating ring cover; 502-arc table; 503-moving inclined ring; 601-ring cover groove; 602-auxiliary grooves; 603-a push spring; 701-pushing block.

Detailed Description

In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, fig. 2 and fig. 3, the utility model provides a middle head device of plugging into, it passes through shell 1, it is covered with the joint, when using, external joint can not influence the joint in the shell, and the joint in the shell can not influence the external world yet, when the user carries out cable connection simultaneously, accessible protecting plate 2 and seal ring piece 6 will connect firm fixing, even the inside fragmentary part of explosion also can not fly out easily, the user still can cover sealed lid 7 simultaneously, thereby it realizes the further fixing of joint to make isolated ring cover 501 insert in the seal ring piece 6, and when external joint burning, because of having the existence of shell 1 and sealed lid 7 so the joint in the shell 1 can not receive the influence, the security of this equipment is further improved promptly.

Including shell 1 and two protecting sheets 2 to and the symmetry install the platform 3 that inserts at the shell both ends install in the shell 1 and insert the joint cavity cover 4 that platform 3 corresponds, be provided with the cable duct through the cable on this protecting sheet 2, in order to make the fixity of protecting sheet 2 better, can set up rubber insulating ring in the cable duct, can set up cable connecting cylinder in this joint cavity cover 4, this cable connecting cylinder optional copper section of thick bamboo for the tip of cable can be covered by inseparable.

Annular movable groove 401 has all been seted up at the both ends that connect cavity cover 4, two protection plate 2 is located the both ends that connect cavity cover 4 respectively, be provided with in the annular movable groove 401 run through joint cavity cover 4 and with protection plate 2 lug connection's mobile station 5, mobile station 5 is equipped with the removal inclined ring 503 in the one end of keeping away from protection plate 2, protection plate 2 is provided with seal ring piece 6 in the one side of keeping away from to connect cavity cover 4, seal ring piece 6 passes through push spring 603 is connected with shell 1.

This equipment is when using, can be directly with the cable through inserting 3 plug-in connection cavity covers in 4, at this moment, thereby sealing ring piece 6 can be promoted by push spring 603 and tightly paste on protecting sheet 2, simultaneously because of the wire has got into completely and connects cavity cover 4, so sealing ring piece 6 and protecting sheet 2 can play the effect and cover completely with connecting, thereby avoided connecting to burst and lead to the condition emergence that the fragmentary part splashes and go out, shell 1 also can play the effect simultaneously, make equipment when using, the joint in the shell can not be influenced to external joint, and the joint in the shell can not influence the external world yet.

As shown in fig. 1 and 3, a trapezoidal sloping platform 402 is arranged at one end of the annular movable groove 401 far away from the protection plate 2, two side faces are arranged on the trapezoidal sloping platform 402, meanwhile, the trapezoidal sloping platform 402 is arranged between an isolation ring cover 501 and a movable sloping ring 503, the trapezoidal sloping platform 402 is arranged in the annular movable groove 401 and is in sliding connection with the joint hollow cover 4, the movable table 5 is connected with the isolation ring cover 501 with a cross section in a T-shaped structure in a penetrating manner, one end of the isolation ring cover 501 far away from the protection plate 2 is arranged in the annular movable groove 401, a fixing spring 403 is connected between the isolation ring cover 501 and the housing 1, the trapezoidal sloping platform 402 is arranged between the isolation ring cover 501 and the movable sloping ring 503, and a ring cover groove 601 for clamping the isolation ring cover 501 is formed in the side face of the sealing ring 6.

When a cable is inserted into the connector hollow cover 4, once a user covers the sealing cover 7, because the sealing cover 7 is arranged at one end of the protection sheet 2 far away from the shell 1, the sealing cover 7 is connected with a plurality of pushing blocks 701 on the surface of one side close to the protection sheet 2, the sealing cover 7 can press the pushing blocks 701 down to push the protection sheet 2, and because the protection sheet 2 consists of two half-edge ring sheets 201, the pushing blocks 701 are positioned between the two half-edge ring sheets 201, and the cross section of the protection sheet 2 is in a right-angled trapezoid structure, the protection sheet 2 can be pushed by the pushing blocks 701 to move towards the annular movable groove 401, then the protection sheet 2 can push the movable table 5 to move along the annular movable groove 401, and when the movable table 5 moves, the movable inclined ring 503 can be pushed to move along the inclined surface of the trapezoid inclined table 402, then the trapezoid inclined table 402 can be pushed to move towards the fixed spring, at this time, the inclined surface at the other side of the trapezoid inclined surface of the trapezoid inclined table 402 can push the, therefore, the isolation ring cover 501 is pushed out of the annular movable groove 401, the fixing spring 403 is stretched, and the isolation ring cover 501 is clamped in the ring cover groove 601 after being pushed out, so that the protection performance between the protection sheet 2 and the sealing ring sheet 6 is higher.

Specifically, a half ring through groove 404 is formed in the inner wall of the annular movable groove 401, a stationary half ring 405 is installed in the half ring through groove 404, the height of the stationary half ring 405 is greater than the depth of the half ring through groove 404, and an arc-shaped platform 502 for pushing the stationary half ring 405 is disposed on the inner surface of the mobile platform 5.

When a user covers the sealing cover 7 and pushes the protection sheet 2 to push the mobile station 5 to move along the annular movable groove 401, the movable mobile station 5 drives the arc-shaped table 502 to move, and when the arc-shaped table 502 contacts with the fixed half ring 405, the fixed half ring 405 is pushed to press on the outer surface of the lead, so that the lead is further fixed, and the protection performance of the lead is higher.

Further, the protection plate 2 is provided with an auxiliary arc plate 202 on a side surface close to the sealing ring plate 6, and an auxiliary groove 602 for clamping the auxiliary arc plate 202 is provided on a side surface of the sealing ring plate 6.

After the protection plate 2 is attached to the sealing ring plate 6, the auxiliary arc plate 202 can be clamped into the auxiliary groove 602, so that the explosion-proof performance between the protection plate 2 and the sealing ring plate 6 is better, and even if the joint explodes, the protection plate 2 and the sealing ring plate 6 cannot be easily loosened.

It is right above the utility model provides an intermediate head device of plugging into has carried out detailed introduction, to the general technical personnel in this field, the foundation the utility model discloses the thought of embodiment all has the change part on concrete implementation and application scope, to sum up, this description content should not be understood as right the utility model discloses a restriction.

Claims

1. An intermediate head connection device is characterized by comprising a shell (1), a pushing spring (603), two protection sheets (2) and insertion tables (3) which are symmetrically arranged at two ends of the shell, a joint hollow cover (4) corresponding to the inserting table (3) is arranged in the shell (1), two ends of the joint hollow cover (4) are respectively provided with an annular movable groove (401), the two protection sheets (2) are respectively positioned at two ends of the joint hollow cover (4), a movable platform (5) which penetrates through a joint hollow cover (4) and is directly connected with the protective sheet (2) is arranged in the annular movable groove (401), a movable inclined ring (503) is arranged at one end of the movable platform (5) far away from the protective sheet (2), a sealing ring sheet (6) is arranged on one side of the protection sheet (2) far away from the joint hollow cover (4), the sealing ring sheet (6) is connected with the shell (1) through the pushing spring (603).

2. The middle connector connecting device according to claim 1, wherein a trapezoidal sloping table (402) is arranged at one end of the annular movable groove (401) far away from the protective plate (2), the trapezoidal sloping table (402) is located in the annular movable groove (401) and is slidably connected with the connector hollow cover (4), an isolation ring cover (501) with a T-shaped cross section is connected to the movable table (5) in a penetrating manner, one end of the isolation ring cover (501) far away from the protective plate (2) is located in the annular movable groove (401), a fixing spring (403) is connected between the isolation ring cover (501) and the shell (1), the trapezoidal sloping table (402) is located between the isolation ring cover (501) and the movable sloping ring (503), and a ring cover groove (601) for blocking the isolation ring cover (501) is formed in the side face of the sealing ring (6).

3. The middle joint connection device according to claim 1, wherein the inner wall of the annular movable groove (401) is opened with a semi-ring through groove (404), a fixed semi-ring (405) is installed in the semi-ring through groove (404), and the inner surface of the mobile station (5) is provided with an arc-shaped table (502) for pushing the fixed semi-ring (405).

4. The middle head connecting device according to claim 1, wherein the protective sheet (2) is composed of two half ring sheets (201), the cross section of the protective sheet (2) is in a right trapezoid structure, a sealing cover (7) is arranged at one end of the protective sheet (2) far away from the shell (1), and a plurality of pushing blocks (701) are connected to the surface of one side, close to the protective sheet (2), of the sealing cover (7).

5. The intermediate head connection device according to claim 1, wherein the protection sheet (2) is provided with an auxiliary arc sheet (202) on one side surface close to the sealing ring sheet (6), and the side surface of the sealing ring sheet (6) is provided with an auxiliary groove (602) for clamping the auxiliary arc sheet (202).