CN220156205U - Cable connection device with line gram head and stage lamp - Google Patents

Abstract

The utility model relates to the technical field of cable accessories and discloses a cable connecting device with a line gram head and stage lamps, which comprises a gram head main body, a locking nut, a gasket and a cable wire, wherein the gram head main body comprises a threaded table, a rotary table and an anti-bending table which are integrally formed and sequentially connected, the anti-bending table is in a round table shape, a plurality of grooves are formed in the periphery of the anti-bending table, line passing holes are formed in the threaded table, the rotary table and the anti-bending table and sequentially connected into a line passing channel, the locking nut is in threaded connection with the periphery of the threaded table, the cable wire is arranged in the line passing channel in a penetrating mode, and the gram head main body is in embedding connection with the periphery of the cable wire through injection molding. According to the utility model, the gram head main body and the cable are integrally formed, so that the installation steps of the gram head are reduced, and the phenomenon that the cable is damaged due to improper tightening and force application of the installation gram head is avoided. The risk that the cable at the joint of the gram heads is damaged by bending is reduced by arranging the bending prevention table.

Description

Cable connection device with line gram head and stage lamp

Technical Field

The utility model relates to the technical field of cable accessories, in particular to a cable connecting device with a cable gram head and stage lamps.

Background

The gram head is also called a cable joint and is mainly used for fastening and sealing a cable and other plates, so that the cable is prevented from generating axial displacement and torsion when fixedly connected with the plates, and the normal use of the cable is ensured.

At present, the glan head that uses in the market is general three segmentation structures, including main part, lock nut and hugging part, and it mainly has following problem: 1. the cable is more troublesome to assemble; 2. the tightly held part is required to be manually screwed down, so that the gram head can be loosened due to over-loosening of the screwed down part, and the insulating layer of the cable can be damaged due to over-tightening; 3. after the gram head, the cable and the plate are installed, the frequent bending of the cable in the use process easily causes the insulating layer of the part of the cable close to one end of the gram head to be broken.

Disclosure of Invention

The utility model provides a gram head with a wire, which has a simple structure, can be simply installed and has bending-preventing capability, and aims to solve the technical problems that the gram head installation process is complex and a cable insulating layer at the joint of the gram head is easy to damage in the prior art.

In order to solve the problems, the utility model adopts the following technical scheme:

the utility model provides a gram head with a wire, which comprises a gram head main body, a locking nut, a gasket and a cable, wherein the gram head main body comprises a threaded platform, a rotary table and an anti-bending platform which are integrally formed and sequentially connected, the periphery of the threaded platform is provided with external threads, the anti-bending platform is in a round table shape with the outer diameter gradually reduced from one end close to the rotary table to the other end, the periphery of the anti-bending platform is provided with a plurality of grooves, the threaded platform, the rotary table and the anti-bending platform are respectively provided with a wire passing hole penetrating through two ends, the wire passing holes are sequentially communicated to form a wire passing channel, the locking nut is in threaded connection with the periphery of the threaded platform, and the gasket is sleeved outside the threaded platform and is positioned between the locking nut and the rotary table; the cable wire is arranged in the wire passing channel in a penetrating mode, and the gram head main body is embedded in the periphery of the cable wire through injection molding.

Further, the groove is arc-shaped with the central axis of the bending prevention table as the center.

Further, a plurality of grooves are sequentially arranged at intervals along the axial direction of the bending prevention table.

Furthermore, at least two grooves are arranged on the same radial plane of the bending prevention table at intervals, and the grooves on any two adjacent radial planes are staggered.

Further, the central angle of the groove is 90 degrees to 110 degrees.

Wherein the central angle range 90 ° -110 ° includes any point value within the range of values, for example the central angle range is 90 °, 95 °, 100 °, 105 ° or 110 °.

Further, a clamping groove is formed in the periphery of one end, close to the rotary table, of the threaded table, and the gasket is arranged in the clamping groove.

Further, the end face, close to the gasket, of the lock nut is provided with a deformation groove.

Further, the periphery of the turntable is polygonal.

The second aspect of the utility model provides a cable connecting device of stage lamps, which comprises a tail plate and the strip line gram head in the first aspect, wherein a mounting hole is formed in the tail plate, the threaded platform is arranged in the mounting hole in a penetrating manner, and the tail plate is pressed between the locking nut and the gasket.

Compared with the prior art, the cable connecting device with the line gram head and the stage lamp has the beneficial effects that: the glan head with the cable provided by the utility model has the advantages that the glan head main body is embedded on the periphery of the cable through injection molding in production, so that the installation step that the glan head main body needs to be sleeved on the cable in the prior art is reduced, the cable is more simply and conveniently installed, and the phenomenon that the insulating layer of the cable is damaged due to improper force application when the glan head is installed in screwing is avoided. The glan head with the wire is provided with the bending prevention part, so that the risk that the insulating layer of the part of the cable close to one end of the glan head is broken due to frequent bending of the cable in the use process is reduced.

Drawings

FIG. 1 is an overall schematic of an embodiment of the utility model with a line gram header.

Fig. 2 is a schematic front view of a gram head with lines according to an embodiment of the present utility model.

Fig. 3 is a schematic view of the a-direction cross section of fig. 2.

In the figure, 1, a gram head main body; 11. a turntable; 12. a threaded platform; 13. bending-proof table; 131. a groove; 2. a lock nut; 3. a gasket; 4. and (5) a cable line.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "left," "right," "front," "rear," "inner," "outer," "transverse," "longitudinal," and the like are used in the present utility model to indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present utility model and simplifying the description, and are not intended to limit the indicated devices, elements or components to have a specific orientation or to be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present utility model, the terms "provided," "disposed," "connected," and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or of unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The technical scheme of the utility model is further described below with reference to the embodiment and the attached drawings.

The first aspect of the utility model provides a gram head with wires, as shown in fig. 1 and 2, comprising a gram head main body 1, a lock nut 2, a gasket 3 and a cable wire 4, wherein the gram head main body 1 comprises a threaded platform 12, a rotary table 11 and an anti-bending platform 13 which are integrally formed and sequentially connected, the periphery of the threaded platform 12 is provided with external threads, the anti-bending platform 13 is in a shape of a round table with the outer diameter gradually reduced from one end close to the rotary table to the other end, the periphery of the anti-bending platform 13 is provided with a plurality of grooves 131, the threaded platform 12, the rotary table 11 and the anti-bending platform 13 are respectively provided with wire through holes penetrating through the two ends, the wire through holes are sequentially communicated to form a wire through channel, the lock nut 2 is in threaded connection with the periphery of the threaded platform 12, and the gasket 3 is sleeved outside the threaded platform 12 and is positioned between the lock nut 2 and the rotary table 11; the cable wire 4 is inserted into the wire passage, and the gram head body is embedded in the periphery of the cable wire 4 by injection molding. The integral formation of the glan head main body 1 and the cable 4 reduces the installation components of the glan head and further reduces the installation steps of the glan head, and the bending prevention table 13 is provided with a plurality of grooves and is provided with a round table, so that the bending degree of the cable at the position is reduced.

Preferably, the groove 131 is arc-shaped centering on the central axis of the bending prevention table 13. The plurality of grooves 131 are sequentially spaced apart in the axial direction of the buckling prevention table 13. At least two grooves 131 are arranged on the same radial plane of the bending prevention table 13 at intervals, and the grooves 131 on any two adjacent radial planes are staggered. The bending degree of the bending-preventing table 13 is ensured to be certain.

More preferably, the center angle of the groove 131 is 90 ° -110 °, preferably 100 °. The preferred center angle is 100 °, and certain bending degree of the staggered parts of the grooves 131 of any adjacent radial planes is ensured, so that the bending degree of the staggered parts of the grooves 131 is prevented from being too poor due to too small center angle, and the too large center angle provides the bending degree of the bending prevention table.

Preferably, the periphery of the threaded platform 12 near one end of the turntable 11 is provided with a clamping groove, and the gasket 3 is arranged in the clamping groove.

Preferably, the end face of the lock nut 2 adjacent to the washer 3 is provided with a deformation groove. The deformation groove is formed in the lock nut 2 to prevent the connecting plate from heating when the cable is installed, and the gram head expands with heat and contracts with cold to extrude the lock nut 2 to cause the gram head to loosen.

Preferably, the outer periphery of the turntable 11 has a polygonal shape. The polygonal periphery of the turntable 11 facilitates manual tightening of the glan head main body 1 and the lock nut 2 during installation.

In a second aspect of the present utility model, there is provided a cable connection device for stage lamps, comprising a tail plate and a cable head with a wire in the first aspect, wherein the tail plate is provided with a mounting hole, a cable wire 4 with the wire head close to one end of a threaded platform 12 passes through the mounting hole and makes a gasket 3 cling to the tail plate, a locking screw 2 is sleeved on the periphery of the cable wire 4 at one end of the threaded platform 12, and the tail plate is locked by screwing with the threaded platform 12.

In summary, the embodiment of the utility model provides a cable connecting device with a cable head and stage lamps, wherein the head main body and the cable wire are embedded into one piece, so that the installation step that the head needs to be sleeved on the cable wire in the prior art is reduced, the installation of the cable wire and a tail plate is simpler and more convenient, and the phenomenon that an insulating layer of the cable wire is damaged due to improper tightening and force application during the installation of the head is avoided. The glan head provided by the utility model is provided with the anti-bending table, so that the risk that the insulating layer of the part of the cable close to one end of the glan head is broken due to frequent bending of the cable in the use process is reduced.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.

Claims (9)

1. A strip line glan head, characterized in that: the novel anti-bending device comprises a gram head main body (1), a lock nut (2), a gasket (3) and a cable wire (4), wherein the gram head main body (1) comprises a threaded table (12), a rotary table (11) and an anti-bending table (13) which are integrally formed and sequentially connected, an external thread is arranged on the periphery of the threaded table (12), the anti-bending table (13) is in a round table shape with the outer diameter gradually reduced from one end close to the rotary table to the other end, a plurality of grooves (131) are formed in the periphery of the anti-bending table (13), the threaded table (12), the rotary table (11) and the anti-bending table (13) are respectively provided with a wire passing hole penetrating through two ends, each wire passing hole is sequentially communicated to form a wire passing channel (5), the lock nut (2) is in threaded connection with the periphery of the threaded table (12), and the gasket (3) is sleeved outside the threaded table (12) and is positioned between the lock nut (2) and the rotary table (11); the cable (4) is arranged in the cable passage in a penetrating way, and the gram head main body is embedded in the periphery of the cable (4) through injection molding.

2. The strip line glan head as claimed in claim 1, wherein: the groove (131) is arc-shaped with the central axis of the bending prevention table (13) as the center.

3. The strip line glan head as claimed in claim 2, wherein: the grooves (131) are sequentially arranged at intervals along the axial direction of the bending prevention table (13).

4. A strip line glan head as claimed in claim 3, wherein: at least two grooves (131) are arranged on the same radial plane of the bending prevention table (13) at intervals, and the grooves (131) on any two adjacent radial planes are staggered.

5. The strip line glan head as claimed in claim 4, wherein: the central angle of the groove (131) is 90-110 degrees.

6. The strip line glan head as claimed in claim 1, wherein: the periphery of the threaded platform (12) close to one end of the rotary table (11) is provided with a clamping groove, and the gasket (3) is arranged in the clamping groove.

7. The strip line glan head as claimed in claim 1, wherein: the end face, close to the gasket (3), of the lock nut (2) is provided with a deformation groove.

8. The strip line glan head as claimed in claim 1, wherein: the periphery of the turntable (11) is polygonal.

9. A stage lamp cable connection device, comprising a tail plate and a strip line gram head according to any one of claims 1-8, wherein the tail plate is provided with a mounting hole, the threaded platform (12) is arranged in the mounting hole in a penetrating way, and the tail plate is pressed between the lock nut and the gasket.