CN210035418U - Wire locking component and panel lamp junction box - Google Patents

Abstract

The utility model relates to a terminal box technical field provides a locking wire component and panel light terminal box, include: the movable plate is connected with the tooth part and can be kept in a final moving state when the movable plate moves towards the direction of the bottom plate. By the structure, the movable plate is meshed with the bottom plate to clamp the electric wire, and after the electric wire is clamped, the conducting wire and the terminal are locked, so that the screw is easy to mount and is not easy to pull off by external force.

Description

Wire locking component and panel lamp junction box

Technical Field

The utility model relates to a terminal box technical field especially provides a locking wire component and panel lamp terminal box.

Background

The panel lamp junction box has the main function of facilitating an installer to quickly and safely connect the indoor reserved live wire and zero line of the commercial power into the lamp when the panel lamp is installed. The upper and lower parts of a wire locking device of a common junction box are locked and fixed through screws, a screwdriver is needed to be used for locking when the wires are locked, the screws are easy to fall off in the screw alignment installation process, and the screws are time-consuming and labor-consuming especially when being installed on a roof or a narrow area, so that the junction box is inconvenient. In addition, the conducting wire is a group of thin metal wires after the insulating sheath is removed, so that the conducting wire is easy to scatter and has low connection strength. The connection of the screw to the conductive portion of the wire after the insulation is removed is not reliable enough, and the slight pulling of the wire may cause the wire to be separated from the screw and not be reliably connected to the terminal.

Disclosure of Invention

In order to solve the above technical problem, the utility model discloses a main objective provides a locking wire component and panel lamp terminal box, and this structure presss from both sides tight electric wire through fly leaf and bottom plate meshing, after pressing from both sides tight electric wire, carries out the locking of wire and terminal again, and the screw is installed easily and be difficult to receive external force and pull out this moment.

In order to achieve the above purpose, the utility model adopts the following technical scheme: there is provided a wire locking member comprising:

the movable plate is connected with the tooth part and can be kept in a final moving state when the movable plate moves towards the direction of the bottom plate.

In the technical scheme, the fixed plate is provided with the tooth part, and the movable plate is meshed with the fixed plate and can move up and down along the fixed plate. When the movable plate is pressed from top to bottom, the movable plate moves downwards along the tooth part on the fixed plate and can be kept in a final motion state, so that the electric wire is clamped between the movable plate and the bottom plate. The movable plate is meshed with the bottom plate to clamp the electric wire, and after the electric wire is clamped, the conducting wire and the terminal are locked, so that the screw is easy to mount and is not easy to pull off due to external force. Meanwhile, screws are not needed to be locked during installation, an installer can hold and fix the cable with one hand, operation of a user is simple and convenient, and the cable is convenient to lock, time-saving and labor-saving. The convex teeth can be inverted teeth, and the design of combining the inverted teeth and the movable plate can ensure that the displacement of the tension test of 60N 25 times specified in EN60598 does not exceed the requirement of 2 mm.

In this embodiment, the fixing plate preferably includes first and second fixing plates, and the teeth are located on sides of the first and second fixing plates close to the movable plate.

In this embodiment, the fixing plate preferably includes first and second fixing plates, and the tooth portions are located on sides of the first and second fixing plates away from the movable plate.

In this embodiment, preferably, a side of the bottom plate facing the movable plate is provided with a first convex tooth;

and/or one side of the movable plate facing the bottom plate is provided with second convex teeth.

In the technical scheme, the convex teeth are arranged on one side, facing the movable plate, of the bottom plate, and the convex teeth are arranged on one side, facing the bottom plate, of the movable plate, so that when the movable plate and the bottom plate clamp the electric wire, the insulating rubber strips on the electric wire are filled into the convex tooth grooves between the convex tooth grooves along extrusion, and the electric wire is more tightly connected with the wire locking component.

In this embodiment, preferably, a first arc-shaped groove is formed in one side of the bottom plate facing the movable plate, and the first convex teeth are arranged on the first arc-shaped groove;

and/or one side of the movable plate, which faces the bottom plate, is provided with a second arc-shaped groove, and the second convex teeth are arranged on the second arc-shaped groove.

In the technical scheme, the movable plate or the bottom plate is provided with the arc-shaped groove, so that the electric wire can be prevented from moving left and right in the wire locking component, and a user can install the electric wire more conveniently; meanwhile, the convex teeth arranged on the arc-shaped grooves are larger than the convex teeth arranged on the flat plate, so that the contact surface between the convex teeth and the electric wire is increased, and the electric wire and the wire locking component are more tightly connected.

In this embodiment, preferably, a plurality of first arc-shaped grooves are provided;

and/or a plurality of second arc-shaped grooves are arranged.

In the technical scheme, the plurality of arc-shaped grooves are arranged, the sizes of the arc-shaped grooves can be different, and various electric wires with different specifications can be installed; through the porous design, can make the wiring mouth have the function of inserting and connect out simultaneously, make the panel light can carry out the series connection and use.

In this embodiment, preferably, the fixing plate includes a first fixing plate and a second fixing plate, the first fixing plate and the second fixing plate are vertically fixed on the bottom plate, and a distance between the first fixing plate and the second fixing plate is not less than 13 mm; the distance between the bottom plate and the movable plate is not less than 13 mm.

In practical application, the junction boxes of different wire locking devices are needed to be matched according to the wire diameters of different indoor reserved wires, a common panel lamp is a 3-core plastic-covered wire, and the maximum diameter area of the wire is 7.5mm²However, with the development of technology, a DALI control mode has emerged that requires the use of 5-core wires, with a maximum diameter area of 12.5mm for the european standard wire rod²At present, no corresponding junction box wire locking device exists in the market. By adopting the technical scheme, the connecting terminal of the junction box adopts a bolt type inverted tooth structure, and the maximum insertable section of the connecting terminal is 20mm²The electric wire meets the wiring requirement of the large-wire-diameter electric wire commonly used by European customers.

The utility model discloses another technical scheme who uses is: the panel lamp junction box comprises the wire locking component in any one of the embodiments, and further comprises a box body and a box cover, wherein the box cover is covered on the box body, a wire inlet part and a wire outlet part are arranged on the box body, the wire locking component is arranged on the wire inlet part and/or the wire outlet part, a wire holder is arranged inside the box body, and the wire holder is used for fixing a wire terminal.

In this embodiment, it is preferable that the bottom plate is provided with a clamping plate, and the clamping plate is used for fixing the wire holder.

In the technical scheme, the clamping plate is arranged on the bottom plate, the wire holder provided with the groove matched with the clamping plate is inserted into the clamping plate, the wire holder and the junction box can be fixed without screws, and the operation of a user is simple and convenient.

In this embodiment, preferably, one side of the box body is rotatably connected with one side of the box cover;

the relative one side of box body is equipped with the joint lug, the relative one side of lid is equipped with the joint groove, the joint lug with joint groove adaptation joint.

Among this technical scheme, rotate one side through the box body and one side of lid and be connected, joint lug and joint groove adaptation joint need not to realize the combination of box body and lid through the screw, and the installer singlehanded just can grip, fix, has portably user's operation.

The utility model provides a locking wire component and panel light terminal box can bring following at least one beneficial effect:

1. in the utility model, the movable plate is meshed with the bottom plate to clamp the electric wire, and after the electric wire is clamped, the wire and the terminal are locked, so that the screw is easy to install and is not easy to be pulled off by external force; the installer can hold and fix the cable with one hand, the operation of the user is simple and convenient, the cable is convenient to lock, and time and labor are saved.

2. The utility model discloses in, through setting up a plurality of arc walls, the size of every arc wall can set up inequality, can install the electric wire of multiple different specifications, can insert the maximum cross-section and be 20mm²The wire meets the wiring requirements of the large-wire-diameter wire commonly used by European customers; through the porous design, can make the wiring mouth have the function of inserting and connect out simultaneously, make the panel light can carry out the series connection and use.

Drawings

Fig. 1 is a schematic structural diagram of a first wire locking member in the first embodiment.

Fig. 2 is a schematic structural diagram of a first wire locking seat in the first embodiment.

Fig. 3 is a schematic structural diagram of the first movable plate in the first embodiment.

Fig. 4 is a schematic structural diagram of a second wire locking seat in the second embodiment.

Fig. 5 is a schematic structural view of the second movable plate in the second embodiment.

Fig. 6 is a schematic structural diagram of a third wire locking seat in the third embodiment.

Fig. 7 is a schematic structural view of a third movable plate in the third embodiment.

Fig. 8 is a schematic structural view of a panel light junction box in the fourth embodiment.

Fig. 9 is a schematic structural diagram of the fourth embodiment of the wire holder and the wire installation.

The reference numbers illustrate:

1. the wire locking device comprises a first wire locking member, 11, a first wire locking seat, 111, a first left side plate, 112, a first right side plate, 12, a first movable plate, 2, a second wire locking member, 21, a second wire locking seat, 211, a second left side plate, 212, a second right side plate, 213, a first arc-shaped groove, 22, a second movable plate, 221, a second arc-shaped groove, 3, a box body, 31, a wire inlet part, 32, a wire outlet part, 33, a clamping plate, 34, a rotating groove, 35, a clamping lug, 4, a box cover, 41, a rotating lug, 42, a clamping groove, 5, a wire connecting seat, 51, an access wire, 52, an access wire, 61, a third wire locking seat, 611, a third left side plate, 612, a third right side plate, 62 and a third movable plate.

Detailed Description

While the present invention may be susceptible to embodiment in different forms, there is shown in the drawings and will herein be described in detail, specific embodiments thereof with the understanding that the present description is to be considered as an exemplification of the principles of the invention and is not intended to limit the invention to that as illustrated herein.

Thus, a feature indicated in this specification will serve to explain one of the features of an embodiment of the invention, and not to imply that every embodiment of the invention must have the described feature. Further, it should be noted that this specification describes many features. Although some features may be combined to show a possible system design, these features may also be used in other combinations not explicitly described. Thus, the combinations illustrated are not intended to be limiting unless otherwise specified.

In the embodiments shown in the drawings, the directions (such as up, down, left, right, front, and rear) are used to explain the structure and movement of the various components of the present invention not absolutely, but relatively. These illustrations are appropriate when these components are in the positions shown in the figures. If the description of the positions of these components changes, the indication of these directions changes accordingly.

The preferred embodiments of the present invention will be further described in detail with reference to the accompanying drawings.

In the first embodiment, as shown in fig. 1, the first wire locking member 1 is used for locking the wires in the junction box, so as to prevent the wires in the junction box from falling off due to pulling of an external force, thereby causing a line fault and having a potential safety hazard of electric leakage. The first wire locking member 1 includes a first wire locking seat 11 and a first movable plate 12, the first wire locking seat 11 is in fit and engagement with the first movable plate 12, and the electric wire is clamped between the first wire locking seat 11 and the first movable plate 12, so as to achieve locking of the electric wire.

Specifically, as shown in fig. 2, the first wire locking seat 11 is provided with a first left side plate 111 and a first right side plate 112 which are oppositely arranged, the first left side plate 111 and the first right side plate 112 are vertically fixed at the bottom of the first wire locking seat 11, one side of the first left side plate 111 opposite to the first right side plate 112 is provided with a convex tooth, and one side of the first right side plate 112 opposite to the first left side plate 111 is provided with a convex tooth. Preferably, the convex teeth are distributed on the upper and lower parts of the side plate, the convex teeth are strip-shaped inverted teeth arranged side by side, or the cross section of the convex teeth is 1/4 circular arcs, one plane of the 1/4 circular arc is fixed on the side plate, the other plane of the 1/4 circular arc faces to the bottom of the first locking wire seat 11, and the circular arc surface of the 1/4 circular arc faces upwards; two sides of the first left side plate 111 are respectively provided with a baffle plate, and the convex teeth are clamped between the two baffle plates; the first right side plate 112 is provided with two baffles on its two sides, and the convex teeth are clamped between the two baffles. The bottom of the first lock wire seat 11 is a plane or a concave-convex surface. Preferably, the bottom of the first wire locking seat 11 is provided with two rows of convex teeth, which are respectively located at the front side and the rear side of the bottom of the first wire locking seat 11. The first wire locking seat 11 may be a plastic structure and is integrally formed by a mold.

As shown in fig. 3, the first movable plate 12 is provided with convex teeth on both sides thereof, the convex teeth of the first movable plate 12 are fittingly engaged with the convex teeth on both sides of the first locking wire seat 11, and when the first movable plate 12 moves along the upper end of the first locking wire seat 11 to the lower end of the first locking wire seat 11, the first movable plate 12 maintains a final state on the first locking wire seat 11. Specifically, the upper and lower of first lock line seat 11 both sides is covered with to the dogtooth, and the dogtooth is the bar pawl that sets up side by side. When the first movable plate 12 is pressed down from the top, the first movable plate 12 moves down along the teeth on the first left side plate 111 and the first right side plate 112, and the first movable plate 12 cannot move up due to the arrangement of the inverted teeth, so that the electric wire is clamped between the first movable plate 12 and the first wire locking seat 11. The bottom of the first movable plate 12 is a plane or a concave-convex surface. Preferably, the bottom of the first movable plate 12 is provided with two rows of convex teeth, which are respectively located at the front and rear sides of the bottom of the first movable plate 12. The first wire locking seat 11 may be a plastic structure and is integrally formed by a mold. Through first line locking seat 11 and the tight electric wire of first fly leaf 12 meshing clamp, need not screw locking during the installation, the installer singlehanded just can grip, fix, has made things convenient for user's operation, and the locking wire is convenient, labour saving and time saving. Meanwhile, the combination design of the inverted teeth and the movable plate can ensure that the displacement of the tension test of 60N 25 times specified in EN60598 does not exceed the requirement of 2 mm.

In the second embodiment, as shown in fig. 4, the second wire locking seat 21 is provided with a second left side plate 211 and a second right side plate 212 which are oppositely arranged, the second left side plate 211 and the second right side plate 212 are vertically fixed at the bottom of the second wire locking seat 21, one side of the second left side plate 211 opposite to the second right side plate 212 is provided with a convex tooth, and one side of the second right side plate 212 opposite to the second left side plate 211 is provided with a convex tooth. Preferably, the convex teeth are distributed on the upper and lower sides of the side plate, the convex teeth are strip-shaped inverted teeth arranged side by side, or the cross section of the convex teeth is 1/4 circular arcs, one plane of the 1/4 circular arc is fixed on the side plate, the other plane of the 1/4 circular arc faces to the bottom of the second wire locking seat 21, and the circular arc surface of the 1/4 circular arc faces upwards; two sides of the second left side plate 211 are respectively provided with a baffle plate, and the convex teeth are clamped between the two baffle plates; two sides of the second right side plate 212 are respectively provided with a baffle plate, and the convex teeth are clamped between the two baffle plates. The bottom of the second wire locking seat 21 is a plane or a concave-convex surface. The bottom of the second wire locking seat 21 is provided with a first arc-shaped slot 213, and the first arc-shaped slot 213 may be provided in plural. Preferably, the upper end of the first arc-shaped slot 213 is provided with two rows of convex teeth, which are respectively located at the front and rear sides of the first arc-shaped slot 213. The second wire locking seat 21 may be a plastic structure and is integrally formed by a mold.

As shown in fig. 5, the protruding teeth are disposed on both sides of the second movable plate 22, the protruding teeth of the second movable plate 22 are fittingly engaged with the protruding teeth on both side plates of the second locking wire seat 21, and when the second movable plate 22 moves along the upper end of the second locking wire seat 21 to the lower end of the second locking wire seat 21, the second movable plate 22 maintains the final state on the second locking wire seat 21. Specifically, the upper and lower sides of the second wire locking seat 21 are covered with convex teeth, which are bar-shaped inverted teeth arranged side by side. When the second movable plate 22 is pressed down from top to bottom, the second movable plate 22 moves down along the teeth on the second left side plate 211 and the second right side plate 212, and the second movable plate 22 cannot move up due to the arrangement of the inverted teeth, so that the electric wire is clamped between the second movable plate 22 and the second wire locking seat 21. The bottom of the second movable plate 22 is a plane or a concave-convex surface. The bottom of the second movable plate 22 is provided with a second arc-shaped slot 221, and the second arc-shaped slot 221 can be provided in plurality. Preferably, the upper end of the second arc-shaped groove 221 is provided with two rows of convex teeth, which are respectively located at the front side and the rear side of the second arc-shaped groove 221. The second movable plate 22 may be a plastic structure and is integrally formed by a mold. By arranging the plurality of arc-shaped grooves, the sizes of the arc-shaped grooves can be different, and various electric wires with different specifications can be installed; through the porous design, can make the wiring mouth have the function of inserting and connect out simultaneously, make the panel light can carry out the series connection and use.

The distance between the second left side plate 211 and the second right side plate 212, and the distance between the bottom of the second wire locking seat 21 and the second movable plate 22 may be determined according to a specific size of the junction box. In this embodiment, a distance between the second left side plate 211 and the second right side plate 212 is not less than 13mm, and a distance between the bottom of the second wire locking seat 21 and the second movable plate 22 is not less than 13 mm. Preferably, the distance between the second left side plate 211 and the second right side plate 212 is 30mm, and the distance between the bottom of the second wire locking seat 21 and the second movable plate 22 is 20 mm. In practical application, the junction boxes of different wire locking devices are needed to be matched according to the wire diameters of different indoor reserved wires, a common panel lamp is a 3-core plastic-covered wire, and the maximum diameter area of the wire is 7.5mm²However, with the development of technology, a DALI control mode which requires the use of 5-core wires is developed, and the maximum diameter area of the wire rod is 12.5mm2 according to the european specification, and no corresponding wire locking component is available on the market at present. Through the bolt type pawl structure adopting the wire locking component, the wire with the maximum section of 20mm2 can be inserted, and the requirement of the wire locking component on the maximum section is metThe wiring requirement of the large-wire-diameter electric wire commonly used by European customers.

In the third embodiment, as shown in fig. 6, the third wire locking seat 61 is provided with a third left side plate 611 and a third right side plate 612 which are oppositely arranged, the third left side plate 611 and the third right side plate 612 are vertically fixed at the bottom of the third wire locking seat 61, and convex teeth are arranged on the outer side between the third left side plate 611 and the third right side plate 612. The third wire locking seat 61 may be a plastic structure and is integrally formed by a mold.

As shown in fig. 7, the inner sides of the two ends of the third movable plate 62 are provided with convex teeth, the convex teeth of the third movable plate 62 are fittingly engaged with the convex teeth on the two side plates of the third locking wire seat 61, and when the third movable plate 62 moves along the upper end of the third locking wire seat 61 to the lower end of the third locking wire seat 61, the third movable plate 62 maintains a final state on the third locking wire seat 61. Specifically, the convex teeth are distributed on the upper and lower sides of the outer side of the third wire locking seat 61, and are bar-shaped inverted teeth arranged side by side. When the third movable plate 62 is pressed down from top to bottom, the third movable plate 62 moves down along the teeth on the third left side plate 611 and the third right side plate 612, and the third movable plate 62 cannot move up due to the arrangement of the inverted teeth, so that the electric wire is clamped between the third movable plate 62 and the third wire locking seat 61.

In a fourth embodiment, as shown in fig. 8, in addition to the first, second and third embodiments, the panel lamp junction box includes a box body 3 and a box cover 4 covering the box body 3, and the box body 3 is provided with a wire inlet portion 31 and a wire outlet portion 32. To facilitate wiring in actual installation, the incoming line portion 31 and the outgoing line portion 32 are opened on opposite sides of the box body 3. The inner side of the wire inlet part 31 is provided with a first locking member 1, the inner side of the wire outlet part 32 is provided with a second locking member 2, and the first locking member 1, the second locking member 2 and the box body 3 are integrally formed through a mold. The centre of box body 3 is equipped with joint board 33, joint board 33 and 3 integrated into one piece of box body, and one side of joint board 33 is equipped with the sand grip, and the bottom of connection terminal 5 is equipped with the recess with joint board 33 adaptation, and 5 joints of connection terminal are fixed on joint board 33. The wire holder and the junction box are fixed without screws, and operation of a user is simple and convenient. The two ends of the rear side of the box body 3 are both provided with a rotating groove 34, the two ends of the rear side of the box cover 4 are both provided with a rotating lug 41, and the rotating lug 41 can be inserted into the rotating groove 34 to rotate, so that the box body 3 and the box cover 4 are rotatably connected. The front side of the box body 3 is provided with a plurality of clamping convex blocks 35, and the clamping convex blocks 35 can be arranged; the front side of the box cover 4 is provided with clamping grooves 42, the number of the clamping grooves 42 is consistent with that of the clamping convex blocks 35, and the clamping convex blocks 35 and the clamping grooves 42 can be clamped in an adaptive mode. Rotate through box body 3 and lid 4 and be connected, joint lug 35 and joint groove 42 adaptation joint need not to realize the combination of box body 3 with lid 4 through the screw, and the installer singlehanded just can grip, fix, has made things convenient for user's operation.

In practical applications, as shown in fig. 9, the installation process of the panel light junction box is as follows: inserting an indoor reserved access wire 51 through the wire inlet part 31, inserting the access wire 51 into a corresponding wire inlet terminal on the wire holder 5, screwing a screw to connect the access wire 51 with the wire holder 5, pressing down the movable plate, and fixing the access wire 51 on the junction box; inserting one or more groups of outgoing connecting wires 52 from the outgoing part, inserting the outgoing connecting wires into corresponding outgoing terminals on the wire holder 5, and screwing down the screws to connect the outgoing connecting wires 52 with the wire holder 5; placing a plurality of groups of outgoing connecting wires 52 in the corresponding arc-shaped grooves, pressing down the movable plate, and fixing the outgoing connecting wires 52 on the junction box; the plural sets of lead-out wires 52 led out of the lead-out portions are connected in series or in parallel with the plural panel lamps. Through the tight electric wire of lockstitch seat and fly leaf meshing clamp, need not screw locking during the installation, installer one hand just can grip, fix, has made things convenient for user's operation, and the lockstitch is convenient, labour saving and time saving. When the panel light is installed on a roof or a narrow area, the locking wire cover can be fixed simply and conveniently only by pressing down the locking wire cover with one hand.

It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. A wire locking member, comprising: the movable plate is connected with the tooth part and can be kept in a final moving state when the movable plate moves towards the direction of the bottom plate.

2. The lockwire member of claim 1 wherein:

the fixed plate comprises a first fixed plate and a second fixed plate, and the tooth parts are positioned on one sides of the first fixed plate and the second fixed plate close to the movable plate.

3. The lockwire member of claim 1 wherein:

the fixed plate comprises a first fixed plate and a second fixed plate, and the tooth parts are positioned on one sides of the first fixed plate and the second fixed plate, which are far away from the movable plate.

4. The lockwire member according to claim 2 or 3, wherein:

one side of the bottom plate, which faces the movable plate, is provided with first convex teeth;

and/or one side of the movable plate facing the bottom plate is provided with second convex teeth.

5. The lockwire member of claim 4 wherein:

a first arc-shaped groove is formed in one side, facing the movable plate, of the bottom plate, and the first convex teeth are arranged on the first arc-shaped groove;

and/or one side of the movable plate, which faces the bottom plate, is provided with a second arc-shaped groove, and the second convex teeth are arranged on the second arc-shaped groove.

6. The lockwire member of claim 5 wherein:

a plurality of first arc-shaped grooves are formed;

and/or a plurality of second arc-shaped grooves are arranged.

7. The lockwire member of claim 6 wherein:

the distance between the first fixing plate and the second fixing plate is not less than 13 mm; the distance between the bottom plate and the movable plate is not less than 13 mm.

8. A panel light junction box comprising the wire locking member of any one of claims 1-7, wherein:

still establish including box body, lid on the box body, be equipped with inlet wire portion and the portion of being qualified for the next round of competitions on the box body, inlet wire portion and/or the portion of being qualified for the next round of competitions is equipped with the locking wire component, the inside of box body is provided with the connection terminal, the connection terminal is used for fixed wire terminal.

9. The panel light junction box of claim 8, wherein:

the bottom plate is equipped with the joint board, the joint board is used for fixed connection terminal.

10. The panel light junction box of claim 9, wherein:

one side of the box body is rotatably connected with one side of the box cover;

the relative one side of box body is equipped with the joint lug, the relative one side of lid is equipped with the joint groove, the joint lug with joint groove adaptation joint.

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