CN217468868U

CN217468868U - Cable lapping device

Info

Publication number: CN217468868U
Application number: CN202221695467.9U
Authority: CN
Inventors: 赵杰; 杨延鹏; 时波
Original assignee: Beijing Zhongrong Security Printing Co ltd
Current assignee: Beijing Zhongrong Security Printing Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-09-20
Anticipated expiration: 2032-06-30

Abstract

The utility model discloses a cable bridging device, a plurality of laps that set up including the interval, the one end of laps is used for connecting the power supply terminal, and the other end is used for connecting cable lap joint, every the surface that the laps is used for the one end of connecting cable lap joint with the contact surface profile modeling of cable lap joint, just the surface area that the laps is used for the one end of connecting cable lap joint is greater than the surface area of the contact surface of cable lap joint, so that cable lap joint overlap joint when on the laps, the contact surface of cable lap joint can by the laps covers completely. The strap in this application can improve the surface area that the current was received to the lap joint to reduce cable lap joint unit area's current-carrying capacity, so can reduce cable lap joint's temperature.

Description

Cable lapping device

Technical Field

The utility model relates to a transmission of electricity field, in particular to cable lap strap.

Background

In a production workshop, various electric equipment is communicated with a power supply through cables. For example, in a printing shop, electrical devices such as printers and exhaust fans are often connected to power terminals via cable joints, and the cable joints and the power terminals are in point-to-point contact or have small contact surfaces. When consumer load is higher, because cable lap joint is less with power supply terminal area of contact, cable lap joint unit area's current-carrying capacity is higher, uses for a long time and will lead to the lap joint temperature higher, causes great potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cable bridging device aims at solving the technical problem who mentions in the background art.

In an embodiment of the present application, the cable splicing device includes: including a plurality of laps that the interval set up, the one end of laps is used for connecting the power supply terminal, and the other end is used for connecting the cable lap joint, every the lap joint be used for the surface of the one end of connecting the cable lap joint with the contact surface profile modeling of cable lap joint, just the surface area that the laps is used for the one end of connecting the cable lap joint is greater than the surface area of the contact surface of cable lap joint, so that the cable lap joint overlap joint when on the lap joint, the contact surface of cable lap joint can by the lap joint is covered completely.

In an embodiment of the application, the strap is a tin-plated strap.

In the embodiment of the application, the protection device further comprises a first protection cover, wherein the first protection cover comprises a plurality of first isolation chambers, and the first isolation chambers are respectively covered on the terminals of the power supply so as to isolate the terminals of the power supply from each other.

In the embodiment of the application, still include the second protection casing, the second protection casing includes a plurality of second isolation rooms, a plurality of second isolation rooms cover respectively and are located each the one end of strap connection cable lap joint is with each the one end mutual isolation of strap connection cable lap joint.

In this application embodiment, each one end that the overlap joint is connected with the power supply terminal all is equipped with two at least overlap holes, and each the overlap joint passes through two at least overlap holes and connects on the power supply terminal.

In the embodiment of the application, one end of each strap connecting with the cable lap joint is provided with a through hole, a fixing bolt and a fixing nut;

when the cable overlapping joint is installed, the fixing bolt penetrates through the connecting hole in the cable overlapping joint and the through hole and is fixed on the overlapping piece through the fixing nut.

In an embodiment of the present application, the length of the fixing bolt is greater than the sum of the thickness of one of the straps and the thickness of two of the cable joints, so that one cable joint is respectively lapped on the left side and the right side of the same strap.

In this application embodiment, a plurality of laps are arranged in proper order, and the distance between two adjacent laps and the one end that the cable lap joint is connected is greater than the distance between two laps and the one end that the power supply terminal is connected.

In this application embodiment, a plurality of laps with the one end parallel arrangement that the power supply terminal is connected, a plurality of laps with the one end that the cable lap joint is connected is buckled to the homonymy, and the range of just buckling increases in proper order.

In the embodiment of the application, the power supply is provided with three power supply terminals, the plurality of overlapping pieces comprise a first overlapping piece, a second overlapping piece and a third overlapping piece, and one ends of the first overlapping piece, the second overlapping piece and the third overlapping piece, which are connected with the power supply terminals, are arranged in parallel;

the two ends of the second overlapping plate are located on the same plane, and one end, connected with the cable overlapping joint, of the first overlapping plate and one end, connected with the cable overlapping joint, of the third overlapping plate are bent towards one side far away from the second overlapping plate respectively.

The cable overlap joint device among this application technical scheme includes a plurality of laps, and the one end that every laps and cable lap joint are connected is compared in cable lap joint and has great surface area, and when cable lap joint overlap joint was on the laps, the contact surface of cable lap joint can be covered by the laps completely, so the whole contact surface homoenergetic of cable lap joint can receive current. Compare in direct with the lap joint connect on the power supply terminal, the lap joint piece in this application can improve the surface area that the current was received to the lap joint to reduce cable lap joint unit area's current-carrying capacity, so can reduce cable lap joint's temperature.

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 structures shown in the drawings without creative efforts.

FIG. 1 is a schematic view of a cable splicing device according to an embodiment of the present disclosure;

FIG. 2 is a cross-sectional view of another embodiment of the cable splicing device of the present application;

FIG. 3 is a cross-sectional view of a strap in another embodiment of the present application;

fig. 4 is a schematic structural diagram of a cable splicing device according to another embodiment of the present application.

Reference numerals: 100-strap, 110-fixing bolt, 120-fixing nut, 130-strap hole, first strap-160, second strap-170, third strap-180, 200-power terminal, 300-cable strap, 310-contact surface, 400-first shield, 410-first isolation chamber, 500-second shield, 510-second isolation chamber.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1, the embodiment of the present application provides a cable splicing device, which includes a plurality of splicing sheets 100 arranged at intervals; one end of the strap 100 is used for connecting the power terminal 200, and the other end is used for connecting the cable joint 300; each of the straps 100 has a surface for connecting one end of the cable strap 300 that is contoured to the contact surface 310 of the cable strap 300, and the surface area of the strap 100 for connecting one end of the cable strap 300 is greater than the surface area of the contact surface 310 of the cable strap 300, so that the contact surface 310 of the cable strap 300 can be completely covered by the strap 100 when the cable strap 300 is lapped on the strap 100.

In this application embodiment, the material of strap 100 can adopt the copper material the same with the cable material, and copper has better electric conductivity, can reduce the loss of electric conduction. In other embodiments, the copper strap 100 may be plated with tin to improve electrical conductivity.

The surface of one end of the strap 100 connected to the cable joint 300 is contoured to the contact surface 310 of the cable joint 300; for example, in the embodiment shown in fig. 1, the contact surface 310 of the cable splice 300 is planar, and the surface of the end of the splice strap 100 that is connected to the cable splice 300 is also planar. For another example, if the contact surface 310 of the cable splice 300 is a curved surface, the surface of the end of the splice 100 that is connected to the cable splice 300 is also a curved surface.

The number of the overlapping pieces 100 is consistent with that of the power terminals 200; for example, if the power source has three terminals, then three straps 100 are provided; if the power source has two terminals, then two straps 100 are provided. The present application is not limited to a particular number of straps 100.

As shown in fig. 1, in the present embodiment, the cable lap joint 300 is substantially sheet-shaped, the contact surface 310 of the cable lap joint 300 is planar, the strap 100 is also sheet-shaped, and the end connected to the cable lap joint 300 is also planar, so as to ensure good contact effect after the contact surface 310 of the cable lap joint 300 is lapped on the strap 100. In addition, the surface area of the end of strap 100 connected with cable strap 300 is greater than the surface area of contact surface 310 of cable strap 300, that is, contact surface 310 of cable strap 300 is less than rather than the surface of lapped strap 100, thereby contact surface 310 of cable strap 300 can overlap completely on strap 100, guarantee that cable strap 300 fully contacts with strap 100, make the overlap area maximize of cable strap 300 and strap 100, thereby reduce the current-carrying capacity of cable strap 300 unit area, and then avoid cable strap 300's high temperature in the use.

As shown in fig. 2, in the embodiment of the present application, the cable splicing device further includes a first protection cover 400, where the first protection cover 400 includes a plurality of first isolation chambers 410, and the plurality of first isolation chambers 410 are respectively covered on the terminals of the power supply to isolate the terminals of the power supply from each other. The first shield 400 may be made of an insulator material such as rubber, resin, or the like. The first protective cover 400 is provided with a plurality of first isolation chambers 410 which are isolated from each other, the number of the first isolation chambers 410 in the first protective cover 400 is consistent with the number of the power terminals 200, and each first isolation chamber 410 corresponds to one power terminal 200, so that the first protective cover 400 can isolate each terminal of the power supply, and prevent electric arcs from being generated between each power terminal 200 to cause short circuit; in addition, the direct exposure of the contact part of the power supply terminal 200 and the overlapping plate 100 to the air for conducting current can be avoided, so that the dust can be prevented, the oxidation risk can be reduced, and the electric shock accident caused by the touch of a human body can be avoided.

As shown in fig. 2, in the embodiment of the present application, the cable splicing apparatus further includes a second protective cover 500, the second protective cover 500 includes a plurality of second isolation chambers 510, and the plurality of second isolation chambers 510 respectively cover one end of each of the splicing sheets 100 connected to the cable splices 300, so as to isolate one end of each of the splicing sheets 100 connected to the cable splices 300 from each other. The second protection casing 500 sets up the one end of being connected at strap 100 and cable lap joint 300, the quantity of the second isolation room 510 in the second protection casing 500 keeps unanimous with the quantity of strap 100, cable lap joint 300 overlap joint back on strap 100, utilize second protection casing 500 to keep apart each strap 100 and each power supply lap joint each other, thereby correspond a set of strap 100 and cable lap joint 300 in every second isolation room 510, on the one hand, can prevent to produce electric arc between each strap 100, on the other hand, can also cover and establish cable lap joint 300 and strap 100, avoid the two position of mutual contact conduction current to directly expose in the air, not only can prevent dust, reduce the oxidation risk, can also avoid human touch and lead to the emergence of electric shock accident.

As shown in fig. 1, in the embodiment of the present application, each of the straps 100 is provided with at least two strap holes 130 at one end connected to the power terminal 200, and each of the straps 100 is connected to the power terminal 200 through the at least two strap holes 130. The strap 100 is connected to the power terminal 200 through the strap 130, and each strap 100 is provided with at least two strap 130, so that the connection strength between the strap 100 and the power terminal 200 can be increased, and the strap 100 can be prevented from rotating on the power terminal 200.

As shown in fig. 2, in the embodiment of the present application, one end of each strap 100 connected to the cable strap 300 is provided with a through hole, a fixing bolt 110, and a fixing nut 120; when installed, the fixing bolt 110 passes through the connection hole and the through hole of the cable strap 300 and is fixed to the strap 100 by the fixing nut 120. During installation, the attachment holes on the cable strap 300 are aligned with the perforations on the strap 100, and the strap is then secured to the strap 100 using the fixing bolts 110 and the fixing nuts 120. When the cable is disassembled, the fixing nut 120 is loosened, and the cable overlapping joint 300 can be taken out. The disassembly and the assembly are convenient.

As shown in fig. 3, in the embodiment of the present application, the length of the fixing bolt 110 is greater than the sum of the thickness of one strap 100 and the thickness of two cable taps 300, so that the left and right sides of the same strap 100 are respectively lapped by one cable tap 300. Wherein, the length of the fixing nut 120 is greater than the sum of the thickness of the strap 100 and the thickness of the two power straps, so that one fixing bolt 110 can fix the two power straps, for example, the two power straps are fixed on the same side of the strap 100 by the fixing bolt 110; alternatively, two power straps are fixed to both sides of the strap 100 by one fixing bolt 110. Whether the lap joints are provided on the same side or both sides of the strap 100, a two-way power supply can be formed.

As shown in fig. 4, in the embodiment of the present application, the plurality of straps 100 are sequentially arranged, and a distance between ends of two adjacent straps 100 connected to the cable strap 300 is greater than a distance between ends of two straps 100 connected to the power terminal 200. Wherein, the distance between the one end that two adjacent laps 100 and power supply terminal 200 are connected is the same with the distance between two adjacent power supply terminals 200, and the other end, then can suitably increase the distance between two adjacent laps 100 to for power supply lap joint provides great installation space, easy to assemble and dismantlement.

For example, in the embodiment shown in fig. 4, the ends of the plurality of straps 100 connected to the power terminal 200 are arranged in parallel, and the ends of the plurality of straps 100 connected to the cable connector 300 are bent toward the same side, and the bending widths are sequentially increased. As shown in fig. 4, in the embodiment of the present application, four straps 100 are provided, the four straps 100 are arranged from left to right, the upper ends of the four straps 100 are respectively connected to the power supply terminal 200, the distances between the upper ends of two adjacent straps 100 are the same, if the distance between the upper ends is 5CM, the lower ends are bent to the right, and the bending distance increases from left to right. For example, the lower end of the first strap 100 is bent 1cm to the right from the left, the lower end of the second strap 100 is bent 2cm to the right, the lower end of the third strap 100 is bent 3cm to the right, and the lower end of the fourth strap 100 is bent 4cm to the right. At this time, the distance between the lower ends of two adjacent straps 100 is 6cm, which is greater than 5cm between the upper ends, thereby increasing the installation space of the cable lap joint 300 to some extent. In other embodiments, the lower end of each strap 100 may also be bent to the left, and the embodiment of the present application does not limit the specific bending direction of the strap 100. In addition, the first strap 100 may not be bent, whether bent to the left or right. For example, when the first strap 100 is bent to the right, the first strap 100 may not be bent, and when the first strap 100 is bent to the left, the first strap 100 may not be bent.

In the embodiment shown in fig. 2, the power supply is provided with three power terminals 200, three tabs are a first tab 100(160), a second tab 100(170), and a third tab 100(180), respectively, and the first tab 100(160), the second tab 100(170), and the third tab 100(180) are arranged in parallel with one end of the power terminal 200 connected thereto; both ends of the second strap 100(170) are in the same plane, and one ends of the first strap 100(160) and the third strap 100(180) of the connecting cable joint 300 are respectively bent to the side far away from the second strap 100 (170). Wherein, the upper ends of the first strap 100(160), the second strap 100(170) and the third strap 100(180) are respectively connected with the power terminals 200, the upper ends of the first strap 100(160), the second strap 100(170) and the third strap are arranged in parallel, the distance between two adjacent straps is the same as the distance between two adjacent power terminals 200, the lower end of the first strap 100(160) is bent to the left, the lower end of the second strap 100(170) is not bent vertically downwards, the lower end of the third strap 100(180) is bent to the right, thus, a large installation space can be provided between the lower ends of the first strap 100(160) and the second strap 100(170), and a large installation space can also be provided between the lower ends of the second strap 100(170) and the third strap 100(180), so as to facilitate the cable strap 100 to be lapped on the lower ends of the three straps 100.

The cable bridging device in this application technical scheme includes a plurality of laps 100, and the one end that every laps 100 and cable lap joint 300 are connected has great surface area in comparison with cable lap joint 300, and when cable lap joint 300 overlap joint on laps 100, cable lap joint 300's contact surface 310 can be covered by laps 100 completely, so cable lap joint 300's whole contact surface 310 homoenergetic can receive current. Compared with the direct connection of the lap joint to the power terminal 200, the lap joint 100 in the present application can increase the surface area of the lap joint receiving current, thereby reducing the current-carrying capacity per unit area of the cable lap joint 300, and thus reducing the temperature of the cable lap joint 300.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A cable lapping device is characterized by comprising a plurality of lapping plates which are arranged at intervals; one end of the lapping plate is used for connecting a power supply terminal, and the other end of the lapping plate is used for connecting a cable lapping head; each lap joint is used for connecting the surface of one end of the cable lap joint and the contact surface profile modeling of the cable lap joint, and the surface area of one end of the lap joint used for connecting the cable lap joint is greater than the surface area of the contact surface of the cable lap joint, so that when the cable lap joint is lapped on the lap joint, the contact surface of the cable lap joint can be completely covered by the lap joint.

2. The cable splicing device of claim 1 wherein said splice is a tin plated splice.

3. The cable splicing device of claim 1 further comprising a first shield, said first shield including a plurality of first isolation chambers, said plurality of first isolation chambers respectively covering respective terminals of said power source to isolate said respective terminals of said power source from one another.

4. The cable splicing apparatus of claim 1 further comprising a second protective enclosure, said second protective enclosure including a plurality of second isolation chambers, said plurality of second isolation chambers respectively enclosing an end of each of said splice connection cable splices to isolate each of said one end of each of said splice connection cable splices from each other.

5. The cable splicing device of claim 1 wherein each of said splices is provided with at least two splicing holes at an end thereof connected to a power terminal, and each of said splices is connected to said power terminal through said at least two splicing holes.

6. The cable splicing device of claim 1 wherein each of said splice tabs is provided with a perforation, a fixing bolt and a fixing nut at one end thereof to which a cable splice is connected;

7. The cable splicing device of claim 6 wherein said anchor stud has a length greater than the sum of the thickness of one of said splice tabs and the thickness of two of said cable splices such that one cable splice is spliced to each of the left and right sides of the same splice tab.

8. The cable splicing device of claim 1 wherein said plurality of splice tabs are arranged in a sequence such that the distance between the ends of adjacent splice tabs connected to said cable splice is greater than the distance between the ends of said splice tabs connected to said power terminals.

9. The cable splicing apparatus of claim 8, wherein the ends of the plurality of splicing pieces connected to the power terminals are arranged in parallel, and the ends of the plurality of splicing pieces connected to the cable splices are bent to the same side, and the bending widths are increased in sequence.

10. The cable splicing apparatus of claim 8, wherein said power supply is provided with three power terminals, and said plurality of splices include a first splice, a second splice, and a third splice, and said first splice, said second splice, and said third splice are arranged in parallel with an end to which said power terminals are connected;