CN215646119U

CN215646119U - Cable termination of high security connects

Info

Publication number: CN215646119U
Application number: CN202121845371.1U
Authority: CN
Inventors: 陈雷; 马明海; 张子健
Original assignee: Jiangsu Zhuoyue Electric Power Technology Co ltd
Current assignee: Jiangsu Zhuoyue Electric Power Technology Co ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2022-01-25
Anticipated expiration: 2031-08-09

Abstract

The utility model relates to the technical field of cable connectors, in particular to a high-safety cable terminal connector, which solves the problem that the safety of the cable terminal connector in the prior art needs to be improved. The utility model provides a cable termination of high security connects, overlaps the fixed cover of establishing outside the cable and the hexagon nut of screw thread closure connection on fixed cover soon, the bolt hole has been seted up on the hexagon nut, still including installing the spacing ring at fixed cover extension end. According to the cable terminal joint, the first rubber pads and the second rubber pads are extruded to form a closed annular structure between the two groups of first rubber pads and the two groups of second rubber pads and the limiting ring, so that outside water is prevented from entering the cable joint.

Description

Cable termination of high security connects

Technical Field

The utility model relates to the technical field of cable connectors, in particular to a high-safety cable terminal connector.

Background

The cable is widely used for communication and electrifying, and when the cable is used, the cable terminal needs to use the connecting joint to realize the connection between the cable and equipment.

Most of the existing cable terminal connectors are sleeved at cable terminals and depend on clamping force between an internal rubber sleeve and the outer wall of a cable, so that the cable connectors have waterproof performance. When the cable is electrified, the cable is required to be waterproof, and the treatment efficiency of some cables is high, so that the aging of the rubber sleeve can be accelerated at the cable terminal joint due to high temperature for a long time, the deformation of the rubber sleeve is influenced, and the safety of the cable terminal joint needs to be improved;

therefore, a cable termination connector with high safety is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-safety cable terminal connector, which solves the problem that the safety of the cable terminal connector in the prior art needs to be improved.

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

a high-safety cable terminal connector comprises a fixed sleeve sleeved outside a cable, a hexagon nut screwed and connected on the fixed sleeve, a bolt hole arranged on the hexagon nut, a limiting ring arranged at the extending end of the fixed sleeve, an outer sleeve ring arranged at one end of the limiting ring far away from the fixed sleeve, two groups of first rubber pads and two groups of second rubber pads arranged at the inner side of the outer sleeve ring, two groups of first limiting plates and two groups of second limiting plates arranged at the inner side of the outer sleeve ring, wherein the two groups of first limiting plates respectively and oppositely extrude the two groups of first rubber pads so as to enable the two groups of first rubber pads to be abutted against the outer wall of the cable, the two groups of second limiting plates respectively and oppositely extrude the two groups of second rubber pads so as to enable the two groups of second rubber pads to be abutted against the outer wall of the cable, wherein one side end face of any one of the second rubber pads is simultaneously abutted against the side end faces of the two groups of first rubber pads, the other end faces of the two groups of first rubber pads are abutted to the limiting ring.

Preferably, two sets of first rubber pads are the arc structure, and are connected with first elastic connection area between two sets of first rubber pads to form a circular structure, the inboard of two sets of first limiting plates corresponds respectively and offsets with the outer wall of two sets of first rubber pads.

Preferably, two sets of second rubber pads are the arc structure, and are connected with second elastic connection area between two sets of second rubber pads to form a circular structure, the inboard of two sets of second limiting plates corresponds respectively and offsets with the outer wall of two sets of second rubber pads.

Preferably, a plurality of slots are formed in one side, opposite to the second rubber pad, of the first rubber pad, the slots are located in one side close to the extending end of the first rubber pad, and a plurality of inserting blocks which are inserted into the slots in the two groups of first rubber pads are installed on one side, opposite to the first rubber pad, of the second rubber pad.

Preferably, at least two groups of positioning holes are formed in the outer collar opposite to each first limiting plate or each second limiting plate, and the positioning holes are connected with screws in a screwing mode through internal threads.

Preferably, one side of the limiting ring close to the fixed sleeve is fixedly connected with a supporting ring, the cross section of the side of the supporting ring is of a right-angled triangle structure, the inner diameter of the limiting ring is the same as that of the fixed sleeve, and the outer diameter of the limiting ring is larger than that of the fixed sleeve.

The utility model has at least the following beneficial effects:

through utilizing extrusion first rubber pad and second rubber pad, make two sets of first rubber pads, form a confined annular structure between two sets of second rubber pads and the spacing ring, in order to reduce external water and get into cable joint, extrude first rubber pad through first limiting plate, extrude the second rubber pad through the second limiting plate, thereby make the rubber pad self that corresponds receive certain extrusion force, and the extrusion force can be greater than the normal extrusion force of rubber pad self, be less than the biggest extrusion force that the rubber pad can bear, this structure is compared with the sealed mode of current rubber sleeve, laminating force between rubber sleeve and the cable outer wall is inseparabler, so realized that a water-proof effects is good, the high cable terminal connects of security.

The utility model also has the following beneficial effects:

1. close in the locating hole through the screw thread soon, the inner of screw offsets with first limiting plate or the second limiting plate that corresponds, and the setting of this structure when the user maintains, can be through screwing the screw once more for corresponding first rubber pad or second rubber pad are compressed tightly, realize the adjustable of rubber material extrusion force, thereby can improve cable termination connector's life.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic side sectional view of a terminal fitting;

FIG. 2 is a cross-sectional schematic view of the outer collar at the first rubber pad;

fig. 3 is a cross-sectional schematic view of the outer collar at the second rubber pad.

In the figure: 1. fixing a sleeve; 2. a hexagonal nut; 3. bolt holes; 4. a support ring; 5. a limiting ring; 6. an outer collar; 7. a first rubber pad; 8. a first elastic connecting band; 9. a first limit plate; 10. a slot; 11. a second rubber pad; 12. inserting a block; 13. a second elastic connecting band; 14. a second limiting plate; 15. positioning holes; 16. and (4) screws.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1-3, a high-safety cable terminal connector comprises a fixing sleeve 1 sleeved outside a cable, a hexagonal nut 2 screwed on the fixing sleeve 1, a bolt hole 3 formed on the hexagonal nut 2, a limiting ring 5 installed at an extending end of the fixing sleeve 1, an outer collar 6 installed at an end of the limiting ring 5 away from the fixing sleeve 1, two sets of first rubber pads 7 and two sets of second rubber pads 11 installed inside the outer collar 6, two sets of first limiting plates 9 and two sets of second limiting plates 14 installed inside the outer collar 6, the two sets of first limiting plates 9 respectively and oppositely press the two sets of first rubber pads 7 to make the two sets of first rubber pads 7 abut against the outer wall of the cable, the two sets of second limiting plates 14 respectively and oppositely press the two sets of second rubber pads 11 to make the two sets of second rubber pads 11 abut against the outer wall of the cable, wherein one side end face of any one of the second rubber pads 11 simultaneously and the side end faces of the two sets of first rubber pads 7 abut against each other in a limiting manner, the end face of the other side of the two groups of first rubber pads 7 is abutted against the limiting ring 5, and specifically, the inner diameter of the fixed sleeve 1 is equal to the outer diameter of the cable;

the scheme has the following working processes: the cable terminal is inserted into one end of the outer sleeve 6 and penetrates out of the fixed sleeve 1, then the inner walls of the two groups of first rubber pads 7 are abutted against the outer wall of the cable by adjusting the two groups of first limiting plates 9, the inner walls of the two groups of second rubber pads 11 are abutted against the outer wall of the cable by adjusting the two groups of second limiting plates 14, one sides of the two groups of first rubber pads 7 are abutted against the limiting ring 5, the other sides of the two groups of first rubber pads 7 are abutted against the two groups of second rubber pads 11, and each second rubber pad 11 is abutted against the two groups of first rubber pads 7 simultaneously, so that the water inlet condition in the cable joint end can be prevented;

according to the working process, the following steps are known: through utilizing extrusion first rubber pad 7 and second rubber pad, make two sets of first rubber pads 7, form a confined annular structure between two sets of second rubber pads 11 and the spacing ring 5, in order to reduce external water and get into cable joint, extrude first rubber pad 7 through first limiting plate 9, extrude second rubber pad 11 through second limiting plate 14, thereby make the rubber pad self that corresponds receive certain extrusion force, and the extrusion force can be greater than the normal extrusion force of rubber pad self, be less than the biggest extrusion force that the rubber pad can bear, this structure is compared with the sealed mode of current rubber sleeve, the laminating power between rubber sleeve and the cable outer wall is little, so, a water-proof effects is good, the high cable terminal connects of security.

Further, two sets of first rubber pads 7 are the arc structure, and are connected with first elastic connection area 8 between two sets of first rubber pads 7 to form a circular structure, the inboard of two sets of first limiting plate 9 corresponds respectively and offsets with the outer wall of two sets of first rubber pads 7, and is concrete, the outer wall of first rubber pad 7 and the inner wall fixed connection of the first limiting plate 9 that corresponds.

Further, two sets of second rubber pads 11 are the arc structure, and are connected with second elastic connection area 13 between two sets of second rubber pads 11 to form a circular structure, the inboard of two sets of second limiting plate 14 corresponds respectively and offsets with the outer wall of two sets of second rubber pads 11, and is specific, the outer wall of second rubber pad 11 and the inner wall fixed connection of the second limiting plate 14 that corresponds.

Further, a plurality of slots 10 are formed in one side, facing the second rubber pad 11, of the first rubber pad 7, the slots 10 are located in one side, close to the extending end of the first rubber pad 7, a plurality of inserting blocks 12 which are inserted into the slots 10 in the two groups of first rubber pads 7 are installed on one side, facing the first rubber pad 7, of the second rubber pad 11, specifically, the inserting blocks 12 are made of rubber materials, the slots 10 are inserted into the inserting blocks 12 in a sealing mode, stable positioning and attaching between the first rubber pad 7 and the second rubber pad 11 are achieved, and the contact surfaces of the second rubber pad 11 and the two first rubber pads 7 are fixed through sealing glue.

Further, the outer collar 6 is just right to every first limiting plate 9, or just has seted up at least two sets of locating hole 15 to every second limiting plate 14, and the internal thread of locating hole 15 closes soon to be connected with screw 16, and is concrete, closes the mode of being connected through screw 16 and locating hole 15 screw soon, realizes carrying on spacingly to first limiting plate 9 or second limiting plate 14, and screw 16 wholly is cylindrical structure, and the top of screw 16 imbeds to in the locating hole 15.

Further, one side fixedly connected with support ring 4 that spacing ring 5 is close to fixed cover 1, the side cross-section of support ring 4 is the right triangle structure, and the internal diameter of spacing ring 5 is the same with the internal diameter of fixed cover 1, and the external diameter of spacing ring 5 is greater than the external diameter of fixed cover 1, and is concrete, the setting of support ring 4 improves spacing ring 5's stability for offset between first rubber pad 7 and the spacing ring 5 is more stable.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A high-safety cable terminal connector comprises a fixing sleeve (1) sleeved outside a cable and a hexagonal nut (2) connected to the fixing sleeve (1) in a threaded screwing manner, wherein a bolt hole (3) is formed in the hexagonal nut (2), and the high-safety cable terminal connector is characterized by further comprising a limiting ring (5) installed at the extending end of the fixing sleeve (1), an outer collar (6) is installed at one end, away from the fixing sleeve (1), of the limiting ring (5), two groups of first rubber pads (7) and two groups of second rubber pads (11) are installed at the inner side of the outer collar (6), two groups of first limiting plates (9) and two groups of second limiting plates (14) are installed at the inner side of the outer collar (6), the two groups of first limiting plates (9) respectively and relatively extrude the two groups of first rubber pads (7) so that the two groups of first rubber pads (7) are abutted to the outer wall of the cable, and the two groups of second limiting plates (14) respectively and relatively extrude the two groups of second rubber pads (11), so that the two groups of second rubber pads (11) are abutted against the outer wall of the cable, one side end face of any one second rubber pad (11) is simultaneously limited and abutted against the side end faces of the two groups of first rubber pads (7), and the other side end face of the two groups of first rubber pads (7) is abutted against the limiting ring (5).

2. The high-safety cable terminal connector according to claim 1, wherein the two groups of first rubber gaskets (7) are both arc-shaped structures, and a first elastic connecting band (8) is connected between the two groups of first rubber gaskets (7) to form a circular structure, and the inner sides of the two groups of first limiting plates (9) are respectively and correspondingly abutted against the outer walls of the two groups of first rubber gaskets (7).

3. The high-safety cable terminal connector according to claim 1, wherein the two groups of second rubber gaskets (11) are both arc-shaped structures, and a second elastic connecting band (13) is connected between the two groups of second rubber gaskets (11) to form a circular structure, and inner sides of the two groups of second limiting plates (14) are respectively and correspondingly abutted against outer walls of the two groups of second rubber gaskets (11).

4. The high-safety cable terminal joint as claimed in claim 1, wherein a plurality of slots (10) are formed in one side of the first rubber gasket (7) opposite to the second rubber gasket (11), the slots (10) are located at one side close to the extending end of the first rubber gasket (7), and a plurality of insertion blocks (12) inserted into the slots (10) of the two groups of first rubber gaskets (7) are installed on one side of the second rubber gasket (11) opposite to the first rubber gasket (7).

5. A high-safety cable termination according to claim 1, wherein the outer collar (6) has at least two positioning holes (15) for each first limiting plate (9) or each second limiting plate (14), and the positioning holes (15) are screwed with screws (16).

6. A high-safety cable terminal connector as claimed in claim 1, wherein a support ring (4) is fixedly connected to a side of the limit ring (5) close to the fixing sleeve (1), a cross-sectional side of the support ring (4) is in a right-angled triangle structure, an inner diameter of the limit ring (5) is the same as an inner diameter of the fixing sleeve (1), and an outer diameter of the limit ring (5) is larger than the outer diameter of the fixing sleeve (1).