CN212380728U

CN212380728U - Power connection line of flame-retardant insulation power distribution cabinet

Info

Publication number: CN212380728U
Application number: CN202020937436.4U
Authority: CN
Inventors: 李雷
Original assignee: Shenzhen Changyingtong Precision Electronics Co ltd
Current assignee: Shenzhen Changyingtong Precision Electronics Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-01-19
Anticipated expiration: 2030-05-28

Abstract

The utility model relates to a power connection line technical field, and a power connection line of fire-retardant insulating switch board is disclosed, the inserted block that sets up including connecting wire and two symmetries, the connecting wire includes the conductor, the lateral wall of conductor is provided with the fire-retardant layer of PVC, the lateral wall winding on the fire-retardant layer of PVC is provided with the band, two inserted blocks fix the cover with the both ends of connecting wire and connect, the lateral wall of connecting wire just is located the fixed plectane that has two symmetries that has cup jointed between two inserted blocks, first ring channel has been seted up to the lateral wall of plectane and has been provided with protection machanism, two inserted blocks are close to one side mutually and have been. The utility model discloses can increase the connection steadiness between electric connection line and the electrical components when the electric connection line is connected.

Description

Power connection line of flame-retardant insulation power distribution cabinet

Technical Field

The utility model relates to a power connection line technical field especially relates to a power connection line of fire-retardant insulating switch board.

Background

Switch board power distribution cabinet and lighting power distribution cabinet, measurement cabinet are distribution system's final stage equipment, all are provided with a plurality of electrical components in the normal switch board to need to connect through power connection line between the electrical component, along with electric power's safety in utilization improves, more and more begin to use the higher switch board of fire-retardant insulating nature.

Traditional power connection line screws up through the bolt after inserting electrical components, but the screw thread is screwed up when live time is too long, can produce certain not hard up to make the connecting wire effectively carry out electric connection, influence the normal use of switch board.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art electric connecting wire can produce not hard up when passing through bolted connection time longer to influence the problem of the normal use of switch board, and the power connection line of a fire-retardant insulation switch board that proposes.

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

the utility model provides a power connection line of fire-retardant insulating switch board, includes the inserted block that connecting wire and two symmetries set up, the connecting wire includes the conductor, the lateral wall of conductor is provided with the fire-retardant layer of PVC, the lateral wall winding on the fire-retardant layer of PVC is provided with the band, two the fixed cover of both ends of inserted block and connecting wire connects, the lateral wall of connecting wire just is located fixed cover between two inserted blocks and has connect the plectane of two symmetries, first ring channel has been seted up to the lateral wall of plectane and is provided with protection machanism, two the inserted block is close to one side mutually and has seted up the second ring channel to be provided with.

Preferably, the protection machanism includes the slider and the commentaries on classics board that two symmetries set up, two the slider is connected with the cell wall contact of first ring channel, and the other end all fixes and is provided with horizontal pole, two the other end and the commentaries on classics board fixed connection of horizontal pole, change the board and rotate with the connecting wire and cup joint, and the fixed bellows that is equipped with in left side, the fixed connecting plate that is equipped with of the other end of bellows, the connecting plate rotates with the connecting wire and cup joints.

Preferably, the fastening mechanism includes an internal thread sleeve, the internal thread sleeve is sleeved with the connecting wire and is fixedly connected with the connecting plate, two symmetrical first springs are fixedly arranged at the upper end and the lower end of the groove wall of the second annular groove, two pressing plates are fixedly arranged at the other ends of the first springs, two contact pins are fixedly arranged on one sides of the pressing plates far away from each other, and the other ends of the contact pins penetrate through the insertion blocks.

Preferably, both ends are all fixed to be equipped with the second spring about the lateral wall of connecting plate, two the other end of second spring all is fixed and is equipped with the backup pad, the top of backup pad is connected with the connecting rod through the pivot rotation, two the connecting rod right-hand member is kept away from one side and is all fixed the inserted bar that is equipped with.

Preferably, the pressing plate is a wedge-shaped pressing plate.

Preferably, two symmetrical wedge blocks are fixedly arranged on the outer side wall of the internal thread sleeve.

Compared with the prior art, the utility model provides a power connection line of fire-retardant insulating switch board possesses following beneficial effect:

1. this fire-retardant insulation power distribution cabinet's power connection line, through the inserted block, plectane and the fastening device who is equipped with, the electric connection line is pegged graft and is screwed up the back through the bolt, increases the connection steadiness between connecting wire and the electrical components.

2. This fire-retardant insulating switch board's power connection line through the protection machanism that is equipped with, confirms the angle of bending after the end is connected to the electric connection line, prevents that the connecting wire from taking place the rupture.

3. This fire-retardant insulating switch board's power connection line through the fire-retardant layer of PVC and the band that is equipped with, carries out fire-retardant protection to the electric connection line, increases the life of electric connection line.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses convenient operation can increase the steadiness that the electric connection line is connected after the electrical components in electric connection line and the switch board is connected, improves the life of connecting wire, has guaranteed the normal operating of switch board simultaneously.

Drawings

Fig. 1 is a schematic structural view of a power connection line of a flame-retardant insulated power distribution cabinet according to the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is an enlarged view of a portion B of FIG. 1;

FIG. 4 is an enlarged view of a portion C of FIG. 3;

fig. 5 is an enlarged view of a portion D of fig. 3.

In the figure: the cable comprises a connecting wire 1, an insert block 2, a conductor 3, a PVC flame-retardant layer 4, a wrapping tape 5, a circular plate 6, a sliding block 7, a rotating plate 8, a cross rod 9, a corrugated pipe 10, a connecting plate 11, an internal thread sleeve 12, a first spring 13, a pressing plate 14, a contact pin 15, a second spring 16, a connecting rod 17, an insert rod 18, a wedge-shaped block 19 and a supporting plate 20.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-5, a power connection line of a flame-retardant insulation power distribution cabinet comprises a connection line 1 and two symmetrically arranged plug-in blocks 2, the plug-in blocks 2 are arranged for connecting with electrical components, the connection line 1 comprises conductors 3, the outer side wall of the conductors 3 is provided with a PVC flame-retardant layer 4, the PVC flame-retardant layer 4 is arranged for performing flame-retardant protection on the conductors 3 in the connection line 1, the outer side wall of the PVC flame-retardant layer 4 is wound with a wrapping tape 5, the wrapping tape 5 is arranged for protecting the whole connection line 1, the two plug-in blocks 2 are fixedly sleeved with the two ends of the connection line 1, two symmetrical circular plates 6 are fixedly sleeved on the side wall of the connection line 1 and positioned between the two plug-in blocks 2, the outer side wall of each circular plate 6 is provided with a first annular groove and a protection mechanism, the two plug-in blocks 2, protection machanism includes slider 7 and commentaries on classics board 8 that two symmetries set up, two sliders 7 are connected with the cell wall contact of first ring channel, and the other end all fixes and is provided with horizontal pole 9, the other end and the commentaries on classics board 8 fixed connection of two horizontal poles 9, change board 8 and connect with 1 rotation of connecting wire and cup joint, and the fixed bellows 10 that is equipped with in left side, it confirms to the angle of bending of connecting wire 1 to set up bellows 10, prevent that connecting wire 1 from bending too big and leading to the rupture, the fixed connecting plate 11 that is equipped with of the other end of bellows 10, connecting plate 11.

The fastening mechanism comprises an internal thread sleeve 12, the internal thread sleeve 12 is sleeved with the connecting wire 1 and fixedly connected with a connecting plate 11, two symmetrical first springs 13 are fixedly arranged at the upper end and the lower end of the groove wall of the second annular groove, the first springs 13 can drive the contact pins 15 to return to the initial positions through the elastic return of the first springs 13, pressing plates 14 are fixedly arranged at the other ends of the two first springs 13, the contact pins 15 are fixedly arranged at the sides of the two pressing plates 14 away from each other, the other ends of the contact pins 15 penetrate through the insertion blocks 2, second springs 16 are fixedly arranged at the upper end and the lower end of the side wall of the connecting plate 11, a supporting plate 20 is fixedly arranged at the other ends of the two second springs 16, a connecting rod 17 is rotatably connected to the top of the supporting plate 20 through a shaft pin, an insertion rod 18 is fixedly arranged at the side of the right end of the two connecting rod 17, the wedge 19 is arranged to cooperate with the pressure plate 14 to facilitate compression of the pressure plate 14 as the internally threaded sleeve 12 enters the second annular groove.

In the utility model, when an operator connects the power distribution cabinet, the conductor 3 and the plug block 2 at one end of the connecting wire 1 are inserted into the jack of the electrical component, the conductor 3 is pressed and connected by the bolt, at the moment, the connecting plate 11 is rotated and the corrugated pipe 10 is driven to rotate, the corrugated pipe 10 rotates and the rotating plate 8 drives the cross rod 18 and the slider 7 to slide in the first annular groove of the side wall of the circular plate 6, the connecting plate 11 and the internal thread sleeve 12 are close to the plug block 2, the wedge block 19 is contacted with the pressing plate 14, the connecting plate 11 is continuously rotated, the internal thread sleeve 12 is meshed with the thread in the second annular groove, the wedge block 19 extrudes the pressing plate 14, the pressing plate 14 pushes the contact pin 15 to insert and extend out the electrical component, the connection of the connecting wire 1 is reinforced, the internal thread sleeve 12 is screwed out during disassembly, and the link 17 is rotated so that the plunger 18 is brought into contact with and presses the pin 15, so that the pin 15 is restored to the original position by the first spring 13.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a power connection line of fire-retardant insulating switch board, includes inserted block (2) that connecting wire (1) and two symmetries set up, its characterized in that, connecting wire (1) includes conductor (3), the lateral wall of conductor (3) is provided with fire-retardant layer (4) of PVC, the lateral wall winding of the fire-retardant layer (4) of PVC is provided with band (5), two inserted block (2) and the fixed cup joint in both ends of connecting wire (1), the lateral wall of connecting wire (1) just is located fixed cup joint between two inserted blocks (2) has plectane (6) of two symmetries, first ring channel has been seted up and has been provided with protection machanism, two inserted block (2) are close to one side mutually and have been seted up the second ring channel to be provided with fastening machanism, the screw thread has been seted up to the.

2. The power connection line of a flame-retardant insulation power distribution cabinet according to claim 1, wherein the protection mechanism comprises two symmetrically arranged sliding blocks (7) and a rotating plate (8), the two sliding blocks (7) are in contact connection with the wall of the first annular groove, the other ends of the sliding blocks are both fixedly provided with a cross rod (9), the other end of the cross rod (9) is fixedly connected with the rotating plate (8), the rotating plate (8) is rotatably sleeved with the connection line (1), the left side of the rotating plate is fixedly provided with a corrugated pipe (10), the other end of the corrugated pipe (10) is fixedly provided with a connecting plate (11), and the connecting plate (11) is rotatably sleeved with the connection line (1).

3. The power connection line of the flame-retardant insulated power distribution cabinet according to claim 1, wherein the fastening mechanism comprises an internal thread sleeve (12), the internal thread sleeve (12) is sleeved with the connection line (1) and fixedly connected with the connection plate (11), two symmetrical first springs (13) are fixedly arranged at the upper end and the lower end of the groove wall of the second annular groove, pressing plates (14) are fixedly arranged at the other ends of the two first springs (13), a contact pin (15) is fixedly arranged at one side, away from each other, of the two pressing plates (14), and the other end of the contact pin (15) penetrates through the insertion block (2).

4. The power connection line of the flame-retardant insulated power distribution cabinet according to claim 2, characterized in that the upper and lower ends of the sidewall of the connection plate (11) are both fixedly provided with a second spring (16), the other end of each of the two second springs (16) is fixedly provided with a support plate (20), the top of the support plate (20) is rotatably connected with a connecting rod (17) through a shaft pin, and the far side of the right end of each of the two connecting rods (17) is fixedly provided with an inserted rod (18).

5. The power connection line of a flame retardant insulated power distribution cabinet according to claim 3, characterized in that the pressure plate (14) is a wedge-shaped pressure plate.

6. The power connection line of a flame retardant insulated power distribution cabinet according to claim 3, characterized in that two symmetrical wedge blocks (19) are fixed on the outer side wall of the internally threaded bushing (12).