CN115377707B

CN115377707B - Cable joint device for connecting I-shaped copper bars

Info

Publication number: CN115377707B
Application number: CN202211315894.4A
Authority: CN
Inventors: 安龙吉
Original assignee: Nanjing Trali Precision Electronic Technology Co ltd
Current assignee: Nanjing Trali Precision Electronic Technology Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2022-12-23
Anticipated expiration: 2042-10-26
Also published as: CN115377707A

Abstract

The invention belongs to the technical field of cable joint devices, and discloses a cable joint device for connecting I-shaped copper bars. The device includes the roof, the middle part threaded connection of roof has locking bolt, locking bolt's lower extreme is connected with the line ball piece, the downside of line ball piece is equipped with the line ball seat, the line ball piece cooperates with one side that the line ball seat is relative and is formed with the line ball mouth, the rear side of roof articulates there is first curb plate, and its front side fixedly connected with second curb plate, be equipped with torque spring between first curb plate and the roof, one side that first curb plate and second curb plate are relative is equipped with the spout, both sides are equipped with the first slider with spout complex around line ball piece and the line ball seat, the second curb plate corresponds the position with the line ball mouth and is equipped with the entrance hole. The first side plate and the second side plate cannot be separated from the top plate, so that the mounting operation is facilitated; the cable can be prevented from easily falling off from the wire pressing port; the installation direction of line ball piece and line ball seat is adjustable, satisfies the use scene demand that the cable direction is on a parallel with the length direction of I shape copper bar.

Description

Cable joint device for connecting I-shaped copper bars

Technical Field

The invention relates to the technical field of cable joint devices, in particular to a cable joint device for connecting I-shaped copper bars.

Background

The copper bar is a common bus component in the field of power distribution and can be used for connecting a plurality of cables to get electricity. The traditional copper bar is flat plate structure, through set up a plurality of connecting holes on the copper bar to at the tip crimping connecting wire nose of cable, the wire nose passes through locking bolt to be fixed on the connecting hole, and this kind of connected mode reliability is general. The I-shaped copper bar begins to appear afterwards, and the use of the corresponding cable joint device is cooperated, in order to install the cable joint device on the I-shaped copper bar, the existing cable joint device is of a splicing structure and comprises a top plate, slide rails are arranged on two sides of the top plate and are connected with sliding grooves in side plates through the slide rails, a threaded hole and a locking bolt are arranged on the top plate and are in threaded connection, a line pressing block is installed at the lower end of the locking bolt, and a line pressing seat is arranged below the line pressing block in a matched mode. When using, earlier put the preset position at the I shape copper bar with the line ball seat, then assemble the curb plate on the roof, the downside of curb plate is equipped with the fixture block, places the cable head back between line ball block and line ball seat, screws up the locking bolt and can be fixed cable joint device and cable and I shape copper bar simultaneously. The installation method can be seen that the installation process is complex and has certain defects. Firstly, before the locking bolt is tightened, the parts are in a loose state, and the side plates may move or even slide off the top plate; secondly, before the locking bolt is screwed up, the locking block and the locking seat do not have the clamping effect on the cable, so that the cable is easy to move between the locking block and the locking seat and even slips from the locking block to the locking seat. Therefore, the operator needs to prevent the side plates from moving on the top plate and prevent the cable from slipping off in the process of tightening the locking bolt, and the installation operation is quite unchanged. In addition, when the existing cable joint device is used for connecting a cable, the direction of the cable is perpendicular to the length direction of the I-shaped copper bar, and the specific use requirement that the direction of the cable is parallel to the length direction of the I-shaped copper bar cannot be met.

Disclosure of Invention

The invention aims to provide a cable joint device for connecting I-shaped copper bars, aiming at the defects in the prior art.

In order to achieve the purpose, the invention provides a cable joint device for connecting an I-shaped copper bar, which comprises a top plate, wherein a locking bolt is connected to the middle part of the top plate in a threaded manner, the lower end of the locking bolt is rotatably connected with a wire pressing block, a wire pressing seat is arranged on the lower side of the wire pressing block, wire pressing grooves are respectively arranged on one sides of the wire pressing block opposite to the wire pressing seat, a wire pressing port is formed by matching the two wire pressing grooves, a first side plate is hinged to the rear side of the top plate, a second side plate is fixedly connected to the front side of the top plate, a torsion spring is arranged between the first side plate and the top plate, clamping blocks are arranged on the inner sides of the lower ends of the first side plate and the second side plate, a sliding groove is arranged on one side of the upper side of each clamping block opposite to the first side plate and the second side plate, first sliding blocks matched with the sliding grooves are arranged on the front and rear sides of the wire pressing block and the wire pressing seat, and wire inlet holes are arranged on the positions of the second side plate corresponding to the wire pressing port.

Further, be equipped with fixture between roof and the second curb plate, the front end of roof extends to the front side of second curb plate forward, fixture includes a plurality of connecting rods of fixing at roof front end downside, connecting rod sliding connection has the connecting block, the lower extreme of connecting rod is equipped with spacing portion, the downside of connecting block is fixed with the clamp splice, be equipped with a plurality of springs between connecting block and the roof, the spring housing is established in the outside of connecting rod, the spring is in compression state, the outside of second curb plate is fixed with the fixed plate, be fixed with clamp splice down on the fixed plate, clamp splice corresponds with last clamp splice position down.

Furthermore, the connecting rod is perpendicular to the top plate, and a shifting plate is arranged on the outer side of the connecting block.

Further, the lower extreme of connecting rod leans out the setting, the connecting block is the structure of buckling, the upper end perpendicular to connecting rod setting of connecting block, and its lower extreme is the perpendicular to roof setting.

Furthermore, the width of the lower clamping block is larger than that of the upper clamping block, and when the lower side of the connecting block is attached to the limiting part, the upper clamping block is flush with the front end of the lower clamping block.

Furthermore, a clamping groove is formed in one side, opposite to the upper clamping block and the lower clamping block, of the clamping groove, and the outer side of the clamping groove is of an inclined surface structure or a round angle structure.

Further, the number of the connecting rods is 2, and the connecting rods are symmetrically arranged relative to the center of the wire inlet hole.

Furthermore, the two sides of the line pressing block and the line pressing seat are respectively provided with a plurality of connectors, the connectors on each side are arranged at even intervals, the two adjacent connectors are formed with connecting plates at intervals, the width of each connector is larger than that of each connecting plate, and the connecting plates on the line pressing seat and the line pressing block are respectively arranged opposite to the connectors on the line pressing block and the line pressing seat.

Furthermore, one side of the line pressing block opposite to the line pressing seat is provided with a plurality of pressing ribs, and each pressing rib is opposite to the middle of the connector or the connecting plate.

Furthermore, the line pressing block is detachably connected with the locking bolt, the length and the width of the line pressing block are equal to those of the line pressing seat, second sliding blocks are arranged on the left side and the right side of the line pressing block and the right side of the line pressing seat, and the position of each second sliding block corresponds to the position of each sliding groove after the line pressing block and the line pressing seat rotate horizontally by 90 degrees.

Has the advantages that: 1. according to the invention, the first side plate is hinged at the rear side of the top plate, and the torsion spring is arranged between the first side plate and the top plate, so that the first side plate and the second side plate fixed at the front side of the top plate are clamped on the I-shaped copper bar in a matching manner during installation, and the first side plate and the second side plate cannot be separated from the top plate, so that the installation operation is facilitated;

2. the clamping mechanism is arranged between the top plate and the first side plate, so that the cable can be prevented from easily falling off from the line pressing port under the action of the clamping mechanism before being fixed in the line pressing port, the device only needs to be held by hands when the locking bolt is screwed down, the cable does not need to be held by hands, the fixing operation is more convenient, the lower end of the connecting rod is obliquely arranged outwards, when the cable is subjected to the pulling force of outward falling, the clamping force of the upper clamping block can be correspondingly increased through the pulling force, and the clamping effect is better;

3. the length through with line ball piece and line ball seat sets up to equal with the width, and the line ball piece sets up the lower extreme at the locking bolt with the detachable mode to set up the second slider through the left and right sides at line ball piece and line ball seat, make the installation direction of line ball piece and line ball seat adjustable, satisfy the cable direction and be on a parallel with the length direction's of I shape copper bar use scene demand.

Drawings

Fig. 1 is a schematic structural view of a cable joint device for connecting an i-shaped copper bar;

fig. 2 is a schematic view, partly in section, of a cable joint device for connecting i-shaped copper bars;

FIG. 3 is a schematic view of the clamping mechanism with the connecting rod disposed between the second side plate and the top plate to perpendicular the top plate;

FIG. 4 is a schematic view of the structure after a clamping mechanism for inclining the connecting rod is arranged between the second side plate and the top plate;

FIG. 5 is a schematic structural diagram of the line pressing port parallel to the length direction of the I-shaped copper bar;

fig. 6 is a schematic perspective view of the layout in fig. 5.

Detailed Description

The present invention will be further illustrated with reference to the accompanying drawings and specific examples, which are carried out on the premise of the technical solution of the present invention, and it should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1 to 6, an embodiment of the present invention provides a cable joint device for connecting an i-shaped copper bar, which includes a top plate 1, wherein a threaded hole is formed in a middle portion of the top plate 1, a locking bolt 2 is connected to the threaded hole through an internal thread, and a wire pressing block 3 is rotatably connected to a lower end of the locking bolt 2. Specifically, referring to fig. 1 and 2, a through hole 301 is formed in the middle of the cable clamp 3, a connecting portion 201 is disposed at the lower end of the locking bolt 2, an external thread structure is not disposed on the outer side of the connecting portion 201, and the outer diameter of the connecting portion 201 is smaller than the inner diameter of the through hole 301, so that the connecting portion 201 can pass through the through hole 301, the inner diameter of the through hole 301 is smaller than the outer diameter of the body of the locking bolt 2, thereby forming a limiting step for limiting the cable clamp 3 at the upper end of the connecting portion 201, an avoiding groove 302 with an inner diameter larger than that of the through hole 301 is formed in the cable clamp 3 on the outer side of the lower end of the through hole 301, the lower end of the connecting portion 201 is not exposed from the lower side of the avoiding groove 302, a limiting piece 202 is disposed in the avoiding groove 302, the lower end of the connecting portion 201 passes through the limiting piece 202, the limiting piece 201 can be deformed to avoid the limiting piece 202 from coming off from the lower end of the connecting portion 201, and can also be achieved by disposing a snap spring or screwing a nut on the lower end of the connecting portion 201, and the like, and the limiting piece is not limited herein. The wire pressing block 3 is rotatably connected with the locking bolt 2, and is limited up and down through the limiting step and the limiting sheet 202.

Be equipped with wire pressing seat 4 at wire pressing block 3's downside, wire pressing block 3 is equipped with wire pressing groove respectively with wire pressing seat 4 relative one side, and two wire pressing grooves cooperate and be formed with wire pressing opening 5, and the tip of cable can compress tightly in this wire pressing opening 5. One side facing to the cable is used as the front side, the rear side of the top plate 1 is hinged with a first side plate 6, a torsion spring 7 is arranged between the first side plate 6 and the top plate 1, the torsion spring 7 is still in a compression force storage state when the first side plate 6 is perpendicular to the top plate 1, the upper end of the first side plate 6 has a limiting effect, and the lower end of the first side plate cannot be excessively inclined forwards. For the convenience of installation, two hinged portions 101 can be respectively arranged at two ends of the rear side of the top plate 1, a hinged shaft 8 is arranged between the two hinged portions 101, the upper end of the first side plate 6 is provided with a hinge sleeve 9 for the hinged shaft 8 to pass through, the number of the hinge sleeves 9 is preferably 2, the hinge sleeves are arranged at intervals, and the torsion spring 7 is arranged between the two hinge sleeves 9. After the cable is fixed by screwing the locking bolt 2, the hinge shaft 8 and the hinge sleeve 9 both bear certain pulling force, and the hinge shaft 8 and the hinge sleeve 9 need to be free from deformation under the maximum pulling force. The second side plate 10 is fixedly connected to the front side of the top plate 1, the second side plate 10 is perpendicular to the top plate 1, the fixture blocks 11 are arranged on the inner sides of the lower ends of the first side plate 6 and the second side plate 10, the fixture blocks 11 are used for clamping the lower side of the upper end plate of the I-shaped copper bar 100 when the fixture blocks are fixed, the upper ends of the fixture blocks 11 can be in a tooth-shaped structure, and the connection stability of the fixture blocks and the I-shaped copper bar 100 is improved. The front side of the first side plate 6 on the upper side of the clamping block 11 is provided with two sliding grooves 12, and the sliding grooves 12 are preferably arranged in two ways. All be equipped with first slider 13 in line ball 3 and line ball seat 4 front and back both sides, the position of first slider 13 corresponds with the position of spout 12, and the width is less than the width of spout 12 about it for line ball 3 and line ball seat 4 can freely move from top to bottom, and position is injectd by spout 12 and the cooperation of first slider 13 about nevertheless it, and it rotates when twisting locking bolt 2 to avoid line ball seat 4 to remove and remove. The second side plate 10 is provided with a wire inlet 14 at a position corresponding to the wire pressing port 5, and the end of the cable penetrates through the wire inlet 14 and then penetrates into the wire pressing port 5. In addition, an opening may be provided at a position of the first side plate 6 opposite to the wire inlet hole 14. When using, open first curb plate 6 with the hand earlier and block this device on I shape copper bar 100 after certain angle, avoid the pressure line seat 4 to drop with the hand during, after loosening one's hand, first curb plate 6 can cooperate the centre gripping on I shape copper bar 100 with second curb plate 10 under torque spring 7's effect, it needs to explain that torque spring 7's dynamics is moderate can, neither be difficult to open as to make first curb plate 6, can cooperate again with second curb plate 10 to produce certain centre gripping dynamics to I shape copper bar 100. Finally, the end part of the cable can penetrate through the wire inlet 14 and extend into the wire pressing port 5, and then the locking bolt 2 is screwed down, so that the device can be simultaneously fixed with the I-shaped copper bar 100 and the cable.

Because before screwing up locking bolt 2, must the hand hold the cable and prevent the cable roll-off in the wire pressing opening 5, and when screwing up locking bolt 2, although first curb plate 6 and second curb plate 10 can not break away from roof 1, because torsion spring 7's dynamics is limited, the centre gripping dynamics is just also limited, needs the hand to hold up first curb plate 6 and second curb plate 10 and prevents to shift, and fixed operation still is inconvenient a bit like this. Referring to fig. 3 and 4, as a preferred embodiment, a clamping mechanism is arranged between the top plate 1 and the first side plate 6, and the clamping mechanism is used for clamping a cable with a certain force to prevent the cable from being separated from the wire pressing port 5 in the fixing process. Specifically, the front end of the top plate 1 extends forward to the front side of the second side plate 10, and the clamping mechanism comprises a plurality of connecting rods 15 fixed on the lower side of the front end of the top plate 1, wherein the number of the connecting rods 15 is preferably 2, and the connecting rods 15 are symmetrically arranged relative to the center of the wire inlet hole 14. The connecting rod 15 is slidably connected with a connecting block 16, specifically, a connecting hole is arranged on the connecting block 16 corresponding to the connecting rod 15, and the connecting rod 15 penetrates through the connecting hole and is slidably connected in the connecting hole. The lower end of the connecting rod 15 is provided with a limiting part 151, and the limiting part 151 can prevent the connecting block 16 from sliding out of the connecting rod 15. An upper clamping block 17 is fixed on the lower side of the connecting block 16, a plurality of springs 18 are arranged between the connecting block 16 and the top plate 1, the springs 18 are sleeved on the outer side of the connecting rod 15, the springs 18 are in a compressed state, a fixing plate 19 is fixed on the outer side of the second side plate 10, a lower clamping block 20 is fixed on the fixing plate 19, and the lower clamping block 20 corresponds to the upper clamping block 17 in position. When the locking bolt 2 is screwed down, the cable does not need to be held by hands, and the fixing operation is convenient. The lower clamping block 20 and the upper clamping block 17 can be made of metal materials, and more preferably made of rubber and the like, so that on one hand, the friction resistance is large, the cable is prevented from sliding relative to the lower clamping block 20 and the upper clamping block 17, and a good clamping effect is ensured; and on the other hand, the insulating layer of the cable can be prevented from being scratched. It can be seen that the larger the diameter of the cable, the more the spring 18 will be compressed, thereby creating a greater clamping force, just to meet the actual requirements. It should also be noted that the compression stroke of the spring 18 should meet the maximum diameter requirement of the cable that can be accessed.

Referring to fig. 3, the connection rod 15 may be disposed perpendicular to the top plate 1. To facilitate pushing the connecting piece 16 upwards, a dial plate 21 is also preferably fixed to the outside of the connecting piece 16. Referring to fig. 4, it is more preferable to set up connecting rod 15 to the setting that the lower extreme leans out, and connecting block 16 sets up to the structure of buckling, and connecting block 16's upper end perpendicular to connecting rod 15 sets up, and its lower extreme is perpendicular to roof 1 and sets up. In order to ensure that the upper clamping block 17 and the lower clamping block 20 can have small clamping on cables with various sizes, the width of the lower clamping block 20 is preferably larger than that of the upper clamping block 17, and when the lower side of the connecting block 16 is attached to the limiting part 151, the upper clamping block 17 is flush with the front end of the lower clamping block 20. The specific width of the lower clamping block 20 is related to the maximum diameter of the cable which can be accessed, when the width of the cable is increased, the upper clamping block 17 moves backwards and upwards, and the upper clamping block 17 is still positioned above the lower clamping block 20 when the cable with the maximum diameter which can be accessed is accessed, so that the cable can be effectively clamped. With connecting rod 15 slope setting, when the cable received the pulling force of outwards deviating from, this pulling force can make the centre gripping dynamics of going up clamp splice 17 correspond and increase, can make the cable more be difficult to outwards deviate from during screwing locking bolt 2.

In order to prevent the two sides of the upper clamping block 17 and the lower clamping block 20 of the cable from sliding out, a clamping groove 22 is arranged on one side of the upper clamping block 17 opposite to the lower clamping block 20, the clamping groove 22 is preferably arc-shaped, when the upper clamping block 17 is located at the lowest end position, the clamping groove 22 of the upper clamping block 17 and the lower clamping block 20 can form a clamping failure area, the maximum height of the clamping failure area is smaller than the minimum diameter of the cable which can be accessed, and therefore the clamping mechanism still has a certain clamping effect on the cable with the minimum diameter which can be accessed. In order to facilitate the insertion of the cable into the clamping groove 22 between the upper clamping block 17 and the lower clamping block 20, the outer side of the clamping groove 22 is preferably in a bevel structure or a rounded structure.

The two sides of the wire pressing block 3 and the wire pressing seat 4 of the embodiment of the invention are respectively provided with a plurality of connecting ports 23, the connecting ports 23 on each side are uniformly arranged at intervals, the two adjacent connecting ports 23 are formed with connecting plates 24 at intervals, the width of the connecting ports 23 is slightly larger than that of the connecting plates 24, and the connecting plates 24 on the wire pressing seat 4 and the wire pressing block 3 are respectively arranged opposite to the connecting ports 23 on the wire pressing block 3 and the wire pressing seat 4. Thereby make connecting plate 24 on the line ball 3 can insert in the connector 23 on the line ball seat 4, in the same, connecting plate 24 on the line ball seat 4 also can insert the connector 23 on the line ball 3, behind fixed cable, the degree of depth that connecting plate 24 inserted connector 23 is decided by the inner core external diameter of cable, and this structure guarantees that line ball seat 4 and line ball 3 all have great area of contact with the cable of multiple size, guarantees connection stability. In order to further compress the cable, a plurality of pressing ribs 25 are arranged on the opposite side of the pressing block 3 and the pressing seat 4, and each pressing rib 25 is opposite to the middle part of the connecting port 23 or the connecting plate 24.

Referring to fig. 5 and 6, in order to meet the requirement that a cable is connected in a direction parallel to the direction of the i-shaped copper bar 100, the lengths and widths of the line pressing block 3 and the line pressing base 4 of the embodiment of the invention are equal, that is, the top of the line pressing block 3 and the bottom of the line pressing base 4 are both square, second sliders 26 are arranged on the left side and the right side of the line pressing block 3 and the line pressing base 4, and after the line pressing block 3 and the line pressing base 4 are horizontally rotated by 90 degrees in the current state, the positions of the second sliders 26 correspond to the positions of the sliding grooves 12. In this embodiment, when the direction of the wire pressing block 3 needs to be adjusted, the wire pressing block 3 needs to be detached from the locking bolt 2, and therefore, the lower end of the locking bolt 2 needs to be detachably connected to the wire pressing block 3, the lower end of the connecting portion 201 cannot be deformed to prevent the limiting piece 202 from being detached from the lower end of the connecting portion 201, and the mode of setting the snap spring or the threaded connection nut at the lower end of the connecting portion 201 can be continuously adopted to prevent the limiting piece 202 from being detached from the lower end of the connecting portion 201. When needing the cable to be on a parallel with the 100 directions of I shape copper bar and connecting, outwards turn over first curb plate 6, can take out line ball seat 4 this moment, then pull down line ball 3 from locking bolt 2, on putting back line ball 3 back locking bolt 2 after the horizontal rotation 90 again, then put back line ball seat 4 same rotation 90 back again, can assemble and be the structure shown in figure 5, at this moment, line ball mouth 5 sets up along the direction of I shape copper bar 100 promptly, second slider 26 is inserted and is established in spout 12, play limiting displacement.

The above description is only a preferred embodiment of the present invention, and it should be noted that other parts not specifically described are known in the art or common general knowledge to those skilled in the art. Without departing from the principle of the invention, several improvements and modifications can be made, and these improvements and modifications should also be construed as the scope of the invention.

Claims

1. A cable joint device for connecting an I-shaped copper bar comprises a top plate, wherein a locking bolt is connected to the middle of the top plate in a threaded manner, the lower end of the locking bolt is rotatably connected with a line pressing block, a line pressing seat is arranged on the lower side of the line pressing block, line pressing grooves are respectively formed in one side, opposite to the line pressing seat, of the line pressing block, and a line pressing port is formed by matching the two line pressing grooves;

a clamping mechanism is arranged between the top plate and the second side plate, the front end of the top plate extends forwards to the front side of the second side plate, the clamping mechanism comprises a plurality of connecting rods fixed on the lower side of the front end of the top plate, the connecting rods are connected with connecting blocks in a sliding mode, limiting parts are arranged at the lower ends of the connecting rods, an upper clamping block is fixed on the lower side of each connecting block, a plurality of springs are arranged between the connecting blocks and the top plate, the springs are sleeved on the outer sides of the connecting rods, the springs are in a compressed state, a fixing plate is fixed on the outer side of the second side plate, a lower clamping block is fixed on the fixing plate, and the lower clamping block corresponds to the upper clamping block in position;

the wire pressing block is detachably connected with the locking bolt, the length and the width of the wire pressing block and the wire pressing seat are equal, second sliding blocks are arranged on the left side and the right side of the wire pressing block and the wire pressing seat, and the position of each second sliding block corresponds to the position of the corresponding sliding groove after the wire pressing block and the wire pressing seat rotate horizontally by 90 degrees.

2. The cable joint device for connecting I-shaped copper bars as claimed in claim 1, wherein the connecting rod is perpendicular to the top plate, and a shifting plate is arranged outside the connecting block.

3. The cable joint device for connecting I-shaped copper bar of claim 1, wherein the lower end of the connecting rod is arranged to incline outwards, the connecting block is of a bent structure, the upper end of the connecting block is arranged perpendicular to the connecting rod, and the lower end of the connecting block is arranged perpendicular to the top plate.

4. The cable connector device for connecting the I-shaped copper bar as claimed in claim 3, wherein the width of the lower clamping block is greater than that of the upper clamping block, and when the lower side of the connecting block is fitted to the limiting portion, the upper clamping block is flush with the front end of the lower clamping block.

5. The cable joint device for connecting the I-shaped copper bars as claimed in claim 1, wherein a clamping groove is formed on one side of the upper clamping block opposite to the lower clamping block, and the outer side of the clamping groove is of an inclined surface structure or a round angle structure.

6. The cable joint device for connecting I-shaped copper bars as claimed in claim 1, wherein the number of the connecting rods is 2, and the connecting rods are symmetrically arranged relative to the center of the wire inlet hole.

7. The cable joint device for connecting I-shaped copper bars as claimed in claim 1, wherein a plurality of connectors are respectively disposed on two sides of the pressing block and the pressing block, the connectors on each side are uniformly spaced, a connecting plate is formed between two adjacent connectors, the width of each connector is greater than that of each connecting plate, and the connecting plates on the pressing block and the pressing block are respectively disposed opposite to the connectors on the pressing block and the pressing block.

8. The cable connector device for connecting I-shaped copper bars as claimed in claim 7, wherein a plurality of ribs are provided on the opposite side of the pressing block and the pressing base, and each rib is opposite to the middle of the connecting port or the connecting plate.