CN219458650U

CN219458650U - Waterproof cable intermediate head

Info

Publication number: CN219458650U
Application number: CN202320099996.0U
Authority: CN
Inventors: 胡兵; 胡云龙
Original assignee: Anhui Shenglang Electric Co ltd
Current assignee: Anhui Shenglang Electric Co ltd
Priority date: 2023-02-02
Filing date: 2023-02-02
Publication date: 2023-08-01
Anticipated expiration: 2033-02-02

Abstract

The utility model discloses a waterproof cable intermediate joint which is used for phase line connection between two cables, wherein the end parts of the phase lines are respectively provided with a bare wire core connector, the waterproof cable intermediate joint comprises an inner heat shrinkage tube, an outer heat shrinkage tube, a connecting copper tube and a wrapping belt, the two ends of the connecting copper tube are fixedly connected with the corresponding wire core connectors, the wrapping belt is uniformly wrapped on the outer side of the connecting copper tube, a fixing adhesive used for bonding and fixing after wrapping is arranged on the wrapping belt, the inner heat shrinkage tube is sleeved on the outer side of the corresponding wrapping belt, the outer heat shrinkage tube is sleeved on the outer side of all the phase lines, good sealing performance can be kept between the connecting copper tube and the wire core connectors by wrapping the wrapping belt, and meanwhile, the wrapping belt is provided with the fixing adhesive, so that a better sealing jacket can be formed after the wrapping belt is wrapped, water is effectively prevented from entering, and the overall waterproof performance is improved. The utility model overcomes the defects of the prior art, has reasonable design and compact structure, and has higher social use value and application prospect.

Description

Waterproof cable intermediate head

Technical Field

The utility model relates to the technical field of cable joints, in particular to a waterproof cable intermediate joint.

Background

Cables, which are an important component in electrical energy transmission networks, are used for transmitting electrical current. The length of a single-segment cable is limited and multiple segments of cable need to be connected by cable intermediate connectors for remote power. In practical use, the operation environment of part of the cable lines is bad and even is soaked in water for a long time, faults are easy to occur, the cable intermediate connectors serve as weak links in the cable lines, and system operation experience shows that most of the cable line faults are related to the cable intermediate connectors. Therefore, the cable intermediate joint with good waterproof performance and high structural strength is provided, and the safety and reliability of a cable line are improved.

Chinese patent CN212875371U discloses a waterproof reinforced cable intermediate joint for connection between two cables, comprising a heat shrink tube, wherein the interior of the heat shrink tube is provided with a plurality of intermediate joint main bodies and is filled with waterproof cement, so that the interior of the heat shrink tube can be effectively prevented from water inflow; the outside cover of pyrocondensation pipe is equipped with outer pyrocondensation pipe, is equipped with the reinforcing net between outer pyrocondensation pipe and the pyrocondensation pipe, is favorable to improving the holistic structural strength of cable intermediate head, and wherein, the reinforcing net includes a plurality of bracing pieces of circumference interval arrangement along the pyrocondensation pipe, is connected through the flexible band between each bracing piece, and the structure is comparatively simple. Has good waterproof performance and higher structural strength.

Accordingly, the inventor has the problem of providing a waterproof cable intermediate connector, which is expected to achieve the purpose of having more practical value, by keeping the experience of the design development and the actual manufacturing in the related industry for many years and researching and improving the existing structure and the defects.

Disclosure of Invention

In order to solve the problems mentioned in the background art, the present utility model provides a waterproof cable intermediate connector.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a waterproof type cable intermediate head for the phase line connection between two cables, every the phase line tip of cable tip all is equipped with naked sinle silk connector, including pyrocondensation pipe, outer pyrocondensation pipe, connecting copper pipe and around the band, connect copper pipe both ends and be connected fixedly with corresponding sinle silk connector, around the band evenly winding in the connecting copper pipe outside, and around connecting fixedly between band both ends and the corresponding phase line respectively, be equipped with the fixed glue that is used for bonding after winding around the band, the pyrocondensation pipe cover is established in corresponding around the band outside, and the pyrocondensation pipe both ends are connected fixedly with corresponding phase line outside, outer pyrocondensation pipe cover is established in all phase line outsides, and connects fixedly between outer pyrocondensation pipe both ends and the corresponding cable respectively.

Preferably, a strip-shaped protruding strip is arranged on one side surface of the wrapping belt, a connecting strip fixedly connected with the other side of the wrapping belt is arranged on the other side of the wrapping belt, and a clamping groove for clamping and fixing the protruding strip is formed in the connecting strip.

Preferably, the inside extrusion strip that is equipped with solid connection of draw-in groove, extrusion strip both sides wall is the slope form, protruding strip bottom is equipped with and is used for extrusion strip male extrusion groove.

Preferably, the width of the extrusion groove is smaller than that of the bottom of the extrusion strip, and inclined planes which are symmetrically distributed and used for extrusion fixation of two sides of the protrusion strip are arranged on two side walls of the clamping groove.

Preferably, the protruding strip and the connecting strip are both made of plastic products.

Preferably, a flexible and puncture-proof protective net is arranged inside the wrapping belt.

Preferably, the fixing glue is uniformly coated on one side of the wrapping tape, the fixing glue adopts waterproof glue, and the wrapping tape is provided with a sticking strip which is attached to the outer side of the fixing glue and can be separated from the fixing glue through tearing.

Compared with the prior art, the utility model has the beneficial effects that:

1. the design of the connecting copper pipe can enable the wire core connectors to be connected with each other, two cables can be connected and fixed, the winding tape is arranged on the outer side of the connecting copper pipe, the winding tape can be utilized, good sealing performance between the connecting copper pipe and the wire core connectors can be kept, meanwhile, the fixing glue is arranged on the winding tape, after the winding tape is wound, a better sealing coat can be formed, water can be effectively prevented from entering, the integral waterproof performance is improved, meanwhile, due to the addition of the heat shrinkage pipe, after the heat shrinkage pipe is heated and contracted, an integral structure can be formed between the winding tape and the phase line, so that damage of external force to the winding tape is prevented, and the waterproof performance is improved to a certain extent; and set up outer pyrocondensation pipe in the phase line outside, make outer pyrocondensation pipe after the heat shrink, can make two cables, can form a whole, both improved holistic aesthetic property, also further improved waterproof performance simultaneously.

2. The design of protruding strip, connecting strip and draw-in groove can make around the band at the in-process of winding, through the mode of protruding strip and draw-in groove block, can form the effect of a water conservancy diversion, makes around the band in-process of winding at every turn, all can evenly wind to keep the same interval, guaranteed around the uniformity of band winding, thereby guaranteed that the difference has the same leakproofness after winding around the band.

In conclusion, the utility model overcomes the defects of the prior art, has reasonable design and compact structure, and has higher social use value and application prospect.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the 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 perspective view of the present utility model.

Fig. 2 is a schematic view of a three-dimensional connection structure between phase lines according to the present utility model.

Fig. 3 is a schematic perspective view of the wrapping band of the present utility model.

Fig. 4 is an enlarged view of fig. 3 a in accordance with the present utility model.

In the figure: 1. a cable; 11. a phase line; 2. an outer heat shrinkage tube; 3. a heat shrinkage tube; 4. wrapping the belt; 41. a connecting strip; 42. a clamping groove; 43. an inclined plane; 44. extruding the strip; 45. a protruding strip; 46. an extrusion groove; 5. connecting copper pipes; 51. a fixing groove.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-4, a waterproof cable 1 intermediate head is used for phase line 11 connection between two cables 1, every phase line 11 tip of cable 1 tip all is equipped with naked sinle silk connector, including pyrocondensation pipe 3, outer pyrocondensation pipe 2, connecting copper pipe 5 and around band 4, connecting copper pipe 5 both ends are connected fixedly with corresponding sinle silk connector, around band 4 evenly twine in connecting copper pipe 5 outside, and around band 4 both ends respectively with corresponding phase line 11 between be connected fixedly, be equipped with on the band 4 and be used for twining the fixed glue of back bonding, pyrocondensation pipe 3 cover is established in corresponding around band 4 outside, and pyrocondensation pipe 3 both ends are connected fixedly with corresponding phase line 11 outside, outer pyrocondensation pipe 2 cover is established in all phase line 11 outsides, and is connected fixedly between outer pyrocondensation pipe 2 both ends respectively and corresponding cable 1.

The design of the connecting copper pipe 5 can enable the wire core connectors to be connected with each other, two cables 1 can be connected and fixed, the wrapping tape 4 is arranged on the outer side of the connecting copper pipe 5, the wrapping tape 4 can be utilized to wind the connecting copper pipe 5 and the wire core connectors, good sealing performance can be kept, meanwhile, the fixing glue is arranged on the wrapping tape 4, after the wrapping tape 4 is wound, a better sealing jacket can be formed, water can be effectively prevented from entering, the integral waterproof performance is improved, meanwhile, the heat shrinkage pipe 3 is added, after the heat shrinkage is carried out, the heat shrinkage pipe 3 can effectively form an integral between the wrapping tape 4 and the phase line 11, so that the damage of external force to the wrapping tape 4 is prevented, and the waterproof performance is improved to a certain extent; and set up outer pyrocondensation pipe 2 in the phase line 11 outside, make outer pyrocondensation pipe 2 after the heat shrinkage, can make two cables 1, can form a whole, both improved holistic aesthetic property, also further improved waterproof performance simultaneously.

In this embodiment, a strip-shaped protrusion strip 45 is disposed on one side of the wrapping belt 4, a connecting strip 41 fixedly connected with the other side of the wrapping belt 4 is disposed on the other side of the wrapping belt 4, and a clamping groove 42 for clamping and fixing the protrusion strip 45 is disposed on the connecting strip 41.

The design of the protruding strip 45, the connecting strip 41 and the clamping groove 42 can enable the wrapping tape 4 to form a diversion effect in the winding process through the clamping mode of the protruding strip 45 and the clamping groove 42, enable the wrapping tape 4 to be uniformly wound in each winding process, keep the same interval, ensure the winding uniformity of the wrapping tape 4, and further ensure the same tightness after different wrapping tapes 4 are wound.

In this embodiment, the inside of the clamping groove 42 is provided with a pressing strip 44 that is connected with a solid, two side walls of the pressing strip 44 are inclined, the bottom of the protruding strip 45 is provided with a pressing groove 46 for inserting the pressing strip 44, the width of the pressing groove 46 is smaller than that of the bottom of the pressing strip 44, and two side walls of the clamping groove 42 are provided with inclined planes 43 that are symmetrically distributed and used for pressing and fixing two sides of the protruding strip 45.

Utilize the principle of using the dead's tenon, make protruding strip 45 and draw-in groove 42 block simultaneously, can make extrusion strip 44 insert in the extrusion groove 46 voluntarily, the inclined plane 43 of extrusion strip 44 both sides, can be with the protruding strip 45 contact extrusion of the corresponding inclined plane 43 of draw-in groove 42 both sides of extrusion groove 46 both sides, firmly fix, thereby realized the stability after protruding strip 45 and draw-in groove 42 block are connected, can effectually prevent that the outsider will tear around carrying on of band 4 easily, holistic security has been improved.

In this embodiment, the protruding strip 45 and the connecting strip 41 are made of plastic. The design of the plastic can effectively reduce the cost, and meanwhile, the plastic also has good elasticity, and the protruding strips 45 on two sides of the extrusion groove 46 cannot be easily broken in the process of inserting the extrusion strip 44 into the extrusion groove 46.

In this embodiment, a flexible and puncture-proof protection net is disposed inside the wrapping belt 4.

The addition of the protective net can effectively prevent the puncture of external force on the premise of ensuring the winding function of the winding belt 4, improves the overall safety performance and also improves the strength of the winding belt 4.

In this embodiment, the fixing glue is uniformly coated on one side of the wrapping tape 4, the fixing glue is waterproof glue, and the wrapping tape 4 is provided with a sticking strip which is attached to the outer side of the fixing glue and can be separated from the fixing glue by tearing.

The fixing glue adopts the design of waterproof glue, so that the overall waterproof tightness can be further improved; the design of the sticking strip is convenient for the transportation around the belting 4, and simultaneously, when the belting 4 is used, the sticking strip can be directly torn off, so that the sticking strip can be used, and is more convenient and quicker.

The application is when using:

(1) Firstly, wire core connectors of two cables 1 are respectively inserted into two ends of a corresponding connecting copper pipe 5, then a plurality of fixing grooves 51 which are concave like inwards appear on the connecting copper pipe 5 through extrusion of mechanical external force, and the inner walls of the connecting copper pipes 5 are respectively extruded and fixed to the corresponding wire core connectors by utilizing the concave of the fixing grooves 51, so that connection and fixation between the cables 1 are realized;

(2) Tearing the adhesive strip on the wrapping tape 4, connecting and fixing one end of the wrapping tape 4 with the phase line 11 connected with one end of the copper pipe 5, enabling the wrapping tape 4 to be in a winding shape, moving towards the phase line 11 connected with the other end of the copper pipe 5, enabling the protruding strip 45 to be inserted into the clamping groove 42 in the winding process of the wrapping tape 4, enabling the wrapping tape 4 to have a fixed winding track and uniformly winding, enabling the extrusion strip 44 to be automatically inserted into the extrusion groove 46 in the process of inserting the protruding strip 45 into the clamping groove 42, enabling the inclined surfaces 43 on two sides of the extrusion strip 44 to contact and extrude the protruding strip 45 on two sides of the extrusion groove 46 towards the corresponding inclined surfaces 43 on two sides of the clamping groove 42, firmly fixing the wrapping tape 4, and enabling the wrapping tape 4 to be directly bonded and fixed through fixing glue, so that waterproof sealing of a connecting position of the copper pipe 5 is completed;

(3) Then, the heat shrinkage pipe 3 is sleeved on the outer side of the wrapping belt 4, and the heat shrinkage pipe 3 is heated and shrunk by heating the heat shrinkage pipe 3, and is attached to the outer side of the wrapping belt 4, so that the overall waterproof sealing performance is further improved;

(4) Finally, a plurality of phase lines 11 are bound together by binding bands, the outer heat shrinkage tube 2 is sleeved outside the phase lines 11, and the outer heat shrinkage tube 2 is heated, so that the outer heat shrinkage tube 2 is shrunk and attached to the outer side of the phase lines 11, a complete whole can be formed between the cables 1, and the waterproof performance can be effectively improved.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the connection may be mechanical connection, direct connection or indirect connection through an intermediate medium, and may be internal connection of two elements or interaction relationship of two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a waterproof type cable (1) intermediate head for phase line (11) between two cable (1) are connected, every phase line (11) tip of cable (1) tip all is equipped with naked sinle silk connector, its characterized in that: including pyrocondensation pipe (3), outer pyrocondensation pipe (2), connecting copper pipe (5) and around band (4), connect copper pipe (5) both ends and corresponding sinle silk connector connection fixedly, around band (4) even winding in connect copper pipe (5) outside, and around connecting fixedly between band (4) both ends and corresponding phase line (11) respectively, be equipped with the fixed glue that is used for bonding after winding on band (4), pyrocondensation pipe (3) cover is established in corresponding band (4) outside, and pyrocondensation pipe (3) both ends and corresponding phase line (11) outside connection fixedly, outer pyrocondensation pipe (2) cover is established in all phase line (11) outsides, and connects fixedly between outer pyrocondensation pipe (2) both ends and corresponding cable (1) respectively.

2. A waterproof cable (1) intermediate joint according to claim 1, characterized in that: a strip-shaped protruding strip (45) is arranged on one side face of the wrapping strip (4), a connecting strip (41) fixedly connected with the other side of the wrapping strip (4) is arranged on the other side of the wrapping strip, and a clamping groove (42) for clamping and fixing the protruding strip (45) is formed in the connecting strip (41).

3. A waterproof cable (1) intermediate joint according to claim 2, characterized in that: the clamping groove (42) is internally provided with a squeezing strip (44) which is connected with the clamping groove in a solid mode, two side walls of the squeezing strip (44) are inclined, and the bottom of the protruding strip (45) is provided with a squeezing groove (46) for inserting the squeezing strip (44).

4. A waterproof cable (1) intermediate joint according to claim 3, characterized in that: the width of the extrusion groove (46) is smaller than that of the bottom of the extrusion strip (44), and inclined planes (43) which are symmetrically distributed and used for extrusion fixation of two sides of the protruding strip (45) are arranged on two side walls of the clamping groove (42).

5. A waterproof cable (1) intermediate joint according to claim 2, characterized in that: the protruding strip (45) and the connecting strip (41) are made of plastic products.

6. A waterproof cable (1) intermediate joint according to claim 1, characterized in that: the inside of the wrapping belt (4) is provided with a bendable and puncture-proof protective net.

7. A waterproof cable (1) intermediate joint according to claim 1, characterized in that: the fixing glue is uniformly coated on one side of the wrapping tape (4), waterproof glue is adopted for the fixing glue, and the wrapping tape (4) is provided with a sticking strip which is attached to the outer side of the fixing glue and separated from the fixing glue through tearing.