CN104993295B - A kind of bull electrical power connection device - Google Patents

Abstract

The invention provides a multi-head power connection device, which includes a bottom plate, an outer ring is arranged on the bottom plate, a central cable seat is arranged at the center of the outer ring, the central cable seat is connected with the bottom plate through a support rod, and multiple A plurality of power connectors are respectively fixed on the two positioning rods. The power connectors are provided with cable inlet pipes. The central cable base is provided with a cable center hole. The cable plug is inserted into the cable center hole. The side walls of the cable plug are equidistant. There are four positioning blocks, and the center hole of the cable is connected with the power connector through the contact guide rod. The surface of the entire multi-head power connection device is covered with insulating rubber. The center hole of the cable is provided with a fastening device, which is convenient for loading and unloading. , high safety performance. The problem that the existing power connection device can only be connected with a single cable and is inconvenient to use is solved.

Description

A multi-head power connection device

technical field

The invention relates to a power device, in particular to a multi-head power connection device.

Background technique

The connection device is a component that electronic engineers and technicians often contact. Its function is to build a bridge of communication between blocked or isolated circuits in the circuit, so that the current can flow and the circuit can realize the predetermined function. . The connection device simplifies the assembly process of electronic products, and also simplifies the mass production process. The traditional connection device has complex structure, complicated manufacturing process, high production cost and poor corrosion resistance.

At present, with the wide application of cable assemblies in the field of communication, the requirements for the stability of electrical performance, service life and environmental resistance of cable assemblies are getting higher and higher. Currently commonly used cable assemblies are all cables in the middle and connecting devices at both ends. The cables and connecting devices are connected by crimping, fitting or welding, and are protected by heat-shrinkable sleeves or injection molding. However, when this kind of cable assembly is used, the interface is often loosened due to the user pulling the cable, resulting in damage to the cable assembly, and in some working environments, the cable may bear a certain pressure and cause the cable to be crushed, resulting in damage to the cable assembly.

The Chinese patent document with the authorized announcement number CN 204315801 discloses a power connector, which includes a first plug-in combination and a second plug-in combination integrated through an intermediate connecting sleeve. The first plug-in combination includes a first housing, several plugs The needle and the pin fixing seat, the second plug-in combination includes several shrapnel sockets corresponding to the several pins, and the second shell and the shrapnel socket fixing seat. When the first plug-in combination and the second plug-in combination are engaged, the two ends of the middle connecting sleeve are respectively fixedly connected with the other end of the first housing and the other end of the second housing through threads, and several pins are respectively inserted into corresponding several shrapnel sockets. Inside. The invention has the advantages of simple structure, convenient insertion and reliable connection, is suitable for quick connection and quick separation of power cables, and can effectively lock the connection of the first plug-in combination and the second plug-in combination. It has a reliable waterproof function and prolongs the service life of the connector. When connecting the cables, the workers screw the cables into the power connection plugs. When laying the cables, the cables are easily pulled out by pulling the cables. The connection is not firm enough, and it can only meet the connection between single cables.

The Chinese patent document with the authorized announcement number CN203895676 discloses a branch connection technology of power wires, especially a power line branch connector; the power line branch connector of the present invention has a simple and effective connection method, and no wires will appear after long-term use Fuse due to heat and burn out equipment to cause power outages, including interconnected tubular trunk conduits and plate-shaped branch connection plates, trunk conduits include cover plates and open tubes, cover plates are installed on the open tubes and assembled into tubular shapes The trunk conduit, the open pipe and the branch connection plate are integrally structured, and the branch connection plate is provided with wiring holes, which is simple in structure, poor in safety, and inconvenient for cable loading and unloading.

Contents of the invention

In order to solve the above-mentioned deficiencies in the prior art, the present invention proposes a multi-head power connection device, which includes a bottom plate, an outer ring is arranged on the bottom plate, and a central cable seat is provided at the center of the outer ring, and the center cable seat is supported by The rod is connected to the bottom plate, and a plurality of power connectors are respectively fixed on the outer ring through a plurality of positioning rods. The power connector is provided with a cable inlet tube, and the center cable seat is provided with a cable center hole, and the cable plug is inserted in the center of the cable. In the connection hole, four positioning blocks are arranged at equal intervals on the side wall of the cable plug. The center connection hole of the cable is connected with the power connector through the contact guide rod. The surface of the entire multi-head power connection device is covered with insulating rubber. The center connection of the cable There is a fastening device at the hole, which is convenient for loading and unloading and has high safety performance. The problem that the existing power connection device can only be connected with a single cable and is inconvenient to use is solved.

In order to achieve the purpose of the present invention, the present invention provides a multi-head power connection device, including a base plate, an outer ring is provided on the base plate, a central cable seat is provided at the center of the outer ring, and the central cable seat is connected to the base plate through a support rod , a plurality of power connectors are respectively fixed on the outer ring through a plurality of positioning rods, the power connector is provided with a cable inlet tube, the center cable seat is provided with a cable center hole, the cable plug is inserted into the cable center hole, and the cable There are four positioning blocks at equal intervals on the side wall of the plug. The center connection hole of the cable is connected with the power connector through the contact guide rod. The surface of the entire multi-head power connection device is covered with insulating rubber. fixed device.

Beneficial effects: the present invention provides a multi-head power connection device. In the multi-head power connection device, the cable main pipe joint is connected to the cable center hole, and multiple power connectors can be used to connect other cable branch pipes. It is easy to use and the entire connection The device can connect multiple cables, and the surface of the device is covered with insulating rubber to ensure the safety of the entire device during installation.

Preferably, the fastening device includes four long slots arranged at equal intervals on the inner wall of the cable central connection hole, one side of the end of the long slot is vertically provided with a notch, and the other side of the end of the long slot is provided with a groove A groove, a slide block is arranged in the groove, and a return spring is arranged between the slide block and the groove.

Beneficial effects: the positioning block of the plug slides along the long slot in the socket. When the two are inserted tightly, the plug is rotated so that the positioning block is fixed in the slot, and then the ferrule is rotated so that the ferrule is fixed relative to the socket. There is a slider, and the slider squeezes the positioning block so that the positioning block enters the notch,

Preferably, the edge of the positioning block in contact with the slider is a hypotenuse structure.

Beneficial effect: the contacting side of the positioning block and the sliding block is a trimming structure, which facilitates the positioning block to be inserted into the sliding block, and then automatically enters into the notch under the action of the sliding block.

Preferably, the power connector includes a ball cavity, the ball cavity is provided with thread grooves, the thread grooves communicate with the cable inlet pipe and the contact guide rod respectively, and bolts are arranged in the thread grooves.

Beneficial effects: the cable enters the ball cavity from the cable inlet pipe, and then is positioned by the bolt to compress the cable, and the cable is electrically connected to the center hole of the cable through the bolt and the contact guide rod to realize the connection of the circuit.

Preferably, the screw end of the bolt is provided with an inner cylindrical groove, and a relatively sliding ejector rod is arranged in the inner cylindrical groove, and a spring is arranged between the ejector rod and the bolt.

Beneficial effects: the end of the bolt is provided with a movable push rod, which facilitates the fixed connection with the cable and facilitates loading and unloading.

Preferably, the head of the bolt is provided with a handle.

Beneficial effect: the head of the bolt is provided with a handle to facilitate the rotation of the bolt and facilitate loading and unloading.

Preferably, a rubber flip cover is provided at the central connection hole, and the flip cover is connected to the side wall of the central cable seat through a chain cable.

Beneficial effect: when not in use, the center connection hole is sealed by the rubber flip cover to prevent the external environment from corroding the center connection hole and affecting the electrical conductivity.

Description of drawings

Fig. 1 is the overall schematic diagram of the present invention;

2 is a cross-sectional view of the power connector of the present invention;

Fig. 3 is a cross-sectional view at the central connection hole of the cable;

Fig. 4 is a schematic diagram of the structure at the elongated groove.

Among them, 1--base plate, 2--outer ring, 3--center cable seat, 4--power connector, 5--positioning rod, 6--cable inlet pipe, 7--contact guide rod, 8-- Cable center connection hole, 9--support rod, 10--ball cavity, 11--thread groove, 12--bolt, 13--inner cylindrical groove, 14--ejector, 15--spring, 16--handle , 17--rubber cover, 18--chain cable, 19--plug, 20--positioning block, 21--long slot, 22--notch, 23--groove, 24--slider, 25 -- Return spring.

detailed description

The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

Fig. 1 shows a specific embodiment of the present invention: a multi-head power connection device, comprising a base plate 1, an outer ring 2 is arranged on the base plate 1, and a center cable seat 3 is provided at the center of the outer ring 2, and the center cable seat 3 is connected to the bottom plate 1 through the support rod 9, and a plurality of power connectors 4 are respectively fixed on the outer ring 2 through a plurality of positioning rods 5. The power connector 4 is provided with a cable inlet pipe 6, and the center cable seat 3 is provided with a There is a cable center connection hole 8, and the cable plug 19 is inserted into the cable center connection hole 8. The side wall of the cable plug 19 is equidistantly provided with four positioning blocks 20, and the cable center connection hole 8 connects with the power connector 4 through the contact guide rod 7. The surface of the entire multi-head power connection device is covered with insulating rubber, and a fastening device is provided at the central connection hole 8 of the cable.

In the multi-head power connection device provided by the present invention, the cable main pipe connector is connected to the cable center connection hole 8, and multiple power connectors 4 can be used to connect other cable branch pipes, which is convenient to use, and the whole connection device can be connected to multiple cables. The surface is covered with insulating rubber to ensure the safety of the whole device during installation; the cable center hole 8 is provided with a rubber flip cover 17, and the flip cover is connected with the side wall of the central cable seat 3 through a chain cable 18. When not in use, pass through The rubber flip cover 17 seals the cable center hole 8 to prevent the external environment from corroding the cable center hole 8 and affecting the electrical conductivity.

As shown in Figures 3 and 4, the fastening device includes four strip grooves 21 equidistantly arranged on the inner wall of the cable center connection hole 8, and one side of the end of the strip groove 21 is vertically provided with a notch 22, and the strip The other side of groove 21 end is provided with groove 23, is provided with slide block 24 in groove 23, is provided with back-moving spring 25 between slide block 24 and groove 23, and the positioning block 20 of plug 19 is along the socket in the socket. The strip groove 21 slides. When the two are inserted tightly, the plug 19 is rotated so that the positioning block 20 is fixed in the notch 22, and then the ferrule is rotated so that the ferrule is fixed relative to the socket. The groove 23 is provided with a slider 24. Block 24 squeezes positioning block 20 so that positioning block 20 enters in the notch 22; Under the effect of block 24, enter in the notch 22 automatically.

As shown in Figure 2, the power connector 4 includes a ball cavity 10, the ball cavity 10 is provided with a threaded groove 11, the threaded groove 11 communicates with the positioning rod 6 and the contact guide rod 7 respectively, and the threaded groove 11 is provided with a bolt 12, and the cable from The positioning rod 6 enters the ball cavity 10, and then is positioned by the bolt 12 to compress the cable, and the cable is electrically connected to the cable center hole 8 through the bolt 12 and the contact guide rod 7 to realize the communication of the circuit; the end of the screw rod of the bolt 12 is set There is an inner cylindrical groove 13, and a relatively sliding ejector rod 14 is arranged in the inner cylindrical groove 13, and a spring 15 is arranged between the ejector rod 14 and the bolt 12, which facilitates the fixed connection with the cable and facilitates loading and unloading; The head is provided with a handle 16, which is convenient for rotating the bolt 12 and convenient for loading and unloading.

It can be known from common technical knowledge that the present invention can be realized through other embodiments without departing from its spirit or essential features. Accordingly, the above-disclosed embodiments are, in all respects, illustrative and not exclusive. All changes within the scope of the present invention or within the scope equivalent to the present invention are embraced by the present invention.

Claims (7)

1. a kind of bull electrical power connection device, including bottom plate and cable plug, it is characterised in that the bottom plate is provided with outer ring, The home position of outer ring is provided with center cable seat, and center cable seat is connected by support bar with bottom plate, by each on outer ring Locating rod is respectively fixed with an electric connector, and the electric connector is provided with cable inlet pipe, and center cable seat is provided with cable Center connects hole, and cable plug is inserted in cable center and connect in hole, and the side wall of cable plug is equidistantly provided with four locating pieces, in cable The heart connects hole and is connected by contacting guide rod with electric connector, and the cable center, which connects, is provided with fastener at hole.

2. bull electrical power connection device according to claim 1, it is characterised in that the fastener includes equidistantly setting Put four strip grooves that the heart in the cable connects hole inwall, the side of strip grooves end is vertically provided with notch, strip grooves end it is another Side is provided with groove, is provided with sliding block in groove, back-moving spring is provided between sliding block and groove.

3. bull electrical power connection device according to claim 1, it is characterised in that what the locating piece was in contact with sliding block Side is hypotenuse structure.

4. bull electrical power connection device according to claim 1, it is characterised in that the electric connector includes spherical cavity, Spherical cavity is provided with thread groove, and with cable inlet pipe and contacting guide rod and communicating, bolt is provided with thread groove respectively for thread groove.

5. bull electrical power connection device according to claim 4, it is characterised in that the screw rod end of the bolt is provided with interior Cylinder groove, interior cylinder groove is interior to be provided with the relative push rod slided, and spring is provided between push rod and bolt.

6. bull electrical power connection device according to claim 5, it is characterised in that the head of the bolt is provided with handle.

7. bull electrical power connection device according to claim 1, it is characterised in that the center connects and turned at hole provided with rubber Lid, renovates and is connected with the side wall of center cable seat by chain cable.