CN209948166U

CN209948166U - LED display screen power AC end parallel connection large current terminal

Info

Publication number: CN209948166U
Application number: CN201920967829.7U
Authority: CN
Inventors: 陈士政; 肖丹
Original assignee: Shenzhen G-Energy Technology Co Ltd
Current assignee: Shenzhen G-Energy Technology Co Ltd
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-01-14
Anticipated expiration: 2029-06-24

Abstract

The utility model relates to the technical field of current terminals, and discloses a LED display screen power supply AC end parallel connection large current terminal, utilizing the elastic effect of a spring II, a limiting plate is lifted by the spring II, the distance between the limiting plate and the lower surface of a locking block is reduced, the step of fixing a cable wire when the cable wire is connected is simplified by utilizing the simple clamping effect of the limiting plate and the locking block, the working efficiency is improved, the locking block is rotated downwards, the fixing effect of the cable wire between the locking block and the limiting plate is increased by utilizing the elastic property of the spring II and the meshing effect of the locking block and a screw hole, the stability of the cable wire between the locking block and the limiting plate is enhanced, the contact impedance is reduced, thereby the heating is reduced, the clamping effect of a fixing groove and a fixing block and the limiting effect of an embedded ball and an embedded groove are utilized, when two insulating blocks are connected, the stability when the two insulating blocks are parallel is enhanced, the phenomenon of terminal welding falling is greatly reduced, and the installation and the maintenance are simple and convenient, etc.

Description

LED display screen power AC end parallel connection large current terminal

Technical Field

The utility model relates to a current terminal technical field specifically is a LED display screen power AC end meets heavy current terminal.

Background

When fixing the cable conductor on the terminal, if fixed unstability, can increase resistance, lead to the cable conductor junction to generate heat, can influence the life of terminal, be connecting some too thick electric cable conductor moreover, need be connected to the cable conductor respectively on two terminals, terminal link that now need parallel, and the stability of terminal that parallels can influence the input and the output effect of cable conductor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a LED display screen power AC end and heavy current terminal, possess simple and convenient connecting cable's step, strengthened the stability of fixed cable conductor and advantage such as nimble combination concatenation terminal unit number, solved cable conductor connection unstable and the inconvenient problem of many fixed cable conductors of needs when last terminal.

(II) technical scheme

For the purpose of realizing above-mentioned step, the stability that has strengthened fixed cable conductor and nimble combination concatenation terminal unit number of having made up of simple and convenient connection cable conductor, the utility model provides a following technical scheme: the utility model provides a LED display screen power AC end and heavy current terminal that connects in parallel, including the insulating block set up the terminal of fixed electric wire in the insulating block, two fixed slots have been seted up altogether to two sides of insulating block, two sides of insulating block are equipped with two fixed blocks altogether, and only are equipped with a fixed slot and a fixed block on two sides of insulating block respectively, two fixed slots and two fixed block cross arrangement, fixed slot and fixed block looks adaptation.

Preferably, a sliding groove is formed in the inner center of the fixing groove, a first spring is fixedly mounted at the bottom of the sliding groove, an embedded ball is arranged in the sliding groove and fixedly connected with the first spring, an embedded groove is formed in the fixing block, and the embedded ball is matched with the embedded groove.

Preferably, the fixing groove is a T-shaped groove.

Preferably, the fixing block is a T-shaped block.

Preferably, the insertion groove is a hemispherical groove.

Preferably, the upper surface of the insulating block is provided with a groove, the bottom of the groove is fixedly provided with a lead-out block, the copper part of the lead-out block for conducting current is externally connected to an electrical component.

Preferably, draw the center department of piece and seted up the screw, draw the edge of piece and seted up the block groove the block inslot is equipped with the limiting plate, the lateral wall of limiting plate is placed at the block inslot, spring two is installed on the fixed top in inside of limiting plate, the lower extreme of spring two is connected with the last fixed surface who draws the piece the intercommunicating pore has been seted up to the top center department of limiting plate, intercommunicating pore and screw hole looks adaptation, be equipped with the screw rod in screw and the intercommunicating pore, screw rod and screw hole looks adaptation, the top fixedly connected with latch segment of screw rod.

Preferably, the locking block is a hemispherical block.

Preferably, the arc-shaped surface of the locking block is provided with a cross groove, and the cross groove is composed of two vertical straight grooves.

Preferably, the limiting plate is a cylinder with an open lower surface.

(III) advantageous effects

Compared with the prior art, the utility model provides a LED display screen power AC end meets heavy current terminal possesses following beneficial effect:

1. this LED display screen power AC end and heavy current terminal connect, through the elasticity effect that utilizes second spring in the limiting plate, the limiting plate is lifted by second spring, reduces the distance of the lower surface of limiting plate and fixed block, utilizes the simple block effect of limiting plate and fixed block, is convenient for place the cable conductor on the limiting plate, has portably connected the step of the fixed cable conductor when cable conductor, has improved work efficiency.

2. This LED display screen power AC end meets heavy current terminal, through the elasticity performance that utilizes spring two and the meshing effect of fixed block and screw, has increased the fixed effect of cable conductor between fixed block and limiting plate, has strengthened the stability of fixed cable conductor, and firm in connection is reliable, has reduced contact resistance to reduce and generate heat increase of service life.

3. This LED display screen power AC end and heavy current terminal connect, through the block effect and the spacing effect of embedding ball and embedded groove that utilize fixed slot and fixed block, when two collets are connected, be connected with the connecting wire in the middle of two collets, guarantee that two collets are linked together, stability when two collets are abreast has been strengthened, it can make up the concatenation terminal unit number in a flexible way, but crimping single strand or stranded cable conductor, the terminal welding phenomenon that drops has significantly reduced, and service life is increased.

4. This LED display screen power AC end and heavy current terminal, through the block effect that utilizes embedding ball and embedded groove, two fixed terminals, and the embedding ball utilizes the spring can pop out automatically, and connecting terminal's mode is simple, is convenient for connect.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is an enlarged view of a in fig. 2 of the present invention.

In the figure: 1 insulating block, 11 fixing groove, 12 fixing block, 13 groove, 14 embedding ball, 15 embedding groove, 16 sliding groove, 17 spring I, 2 locking block, 21 cross groove, 22 screw, 3 leading-out block, 31 clamping groove, 32 screw hole, 4 limiting plate, 41 communicating hole and 42 spring II.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an AC terminal of a power supply of an LED display screen connected in parallel with a large current terminal includes an insulating block 1, a terminal for fixing a wire is disposed in the insulating block 1, two side surfaces of the insulating block 1 are both provided with two fixing grooves 11, two side surfaces of the insulating block 1 are both provided with two fixing blocks 12, and two side surfaces of the insulating block 1 are only provided with one fixing groove 11 and one fixing block 12, respectively, the two fixing grooves 11 and the two fixing blocks 12 are arranged in a crossing manner, the fixing groove 11 is a T-shaped groove, the fixing block 12 is a T-shaped block, the fixing groove 11 and the fixing block 12 are adapted to each other, a sliding groove 16 is disposed at an inner center of the fixing groove 11, a first spring 17 is fixedly mounted at a bottom of the sliding groove 16, an embedded ball 14 is disposed in the sliding groove 16, the embedded ball 14 is fixedly connected with the first spring 17, and the first, half of the embedded ball 14 is located in the fixed groove 11, the other half of the embedded ball 14 is placed in the sliding groove 16, the embedded groove 15 has been seted up on the fixed block 12, the embedded groove 15 is a hemisphere groove, the embedded ball 14 and the embedded groove 15 looks adaptation, two insulating blocks 1 utilize the block effect of fixed groove 11 and fixed block 12 to be fixed mutually, when two insulating blocks 1 block fixed connection, the embedded ball 14 block is at the embedded groove 15, has strengthened the fixed effect of two insulating blocks 1, has guaranteed the stability when two insulating blocks 1 parallel.

The upper surface of the insulating block 1 is provided with a groove 13, the bottom of the groove 13 is fixedly provided with a leading-out block 3, the copper part conducting current of the leading-out block 3 is made of copper, the bottom of the leading-out block 3 is externally connected to an electric element, the center of the leading-out block 3 is provided with a screw hole 32, the edge of the leading-out block 3 is provided with a clamping groove 31, a limiting plate 4 is arranged in the clamping groove 31, the limiting plate 4 is a cylinder with an open lower surface, the side wall of the limiting plate 4 is placed in the clamping groove 31 to ensure that the limiting plate 4 can move up and down in the clamping groove 31, the fixed top end in the interior of the limiting plate 4 is provided with a second spring 42, the lower end of the second spring 42 is fixedly connected with the upper surface of the leading-out block 3, the center of the top end of the limiting plate 4 is provided with a communicating hole 41, the utility model discloses a cable connector, including screw rod 22, screw hole 32, cross groove 21, limiting block 2, limiting plate 4, spring two 42, the elastic effect of spring two 42 is utilized, and spacing plate 4 and locking block 2's distance when reducing initial state is convenient for with cable conductor block in locking block 2 and limiting plate 4 in, the operation of required fixed cable conductor when having reduced the connection cable conductor, the simple and convenient operation step of terminal connection cable conductor has promoted work efficiency.

When the cable fixing device is used, when a cable is required to be fixed on a terminal, the locking block 2 is rotated upwards and moved into the screw hole 32, the elastic effect of the spring II 42 in the limiting plate 4 is utilized, the limiting plate 4 is lifted up by the spring II 42, the distance between the limiting plate 4 and the lower surface of the locking block 2 is reduced, the simple clamping effect of the limiting plate 4 and the locking block 2 is utilized, the cable is convenient to place on the limiting plate 4, the step of fixing the cable when the cable is connected is simple and convenient, the working efficiency is improved, then the locking block 2 is rotated downwards, the cable is fixedly connected between the locking block 2 and the limiting plate 4 by utilizing the meshing effect of the screw rod 22 and the screw hole 32, the fixing effect of the cable between the locking block 2 and the limiting plate 4 is improved by utilizing the elastic performance of the spring II 42 and the meshing effect of the locking block 2 and the, and firm in connection is reliable, contact resistance has been reduced, thereby reduce and generate heat, and the service life is prolonged, utilize the block effect of fixed slot 11 and fixed block 12 and the spacing effect of embedded ball 14 and embedded groove 15, when two collets 1 are connected, be connected with the connecting wire in the middle of two collets 1, guarantee that two collets 1 are linked together, the stability when having strengthened two collets 1 and being abreast, it can make up the concatenation terminal unit number in a flexible way, but crimping single strand or stranded cable conductor, the terminal welding phenomenon of droing has greatly reduced, and the service life is prolonged.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a LED display screen power AC end meets heavy current terminal, includes insulating block (1), its characterized in that: the terminal for fixing the electric wire is arranged in the insulating block (1), two fixing grooves (11) are formed in two side faces of the insulating block (1), two fixing blocks (12) are formed in two side faces of the insulating block (1), only one fixing groove (11) and one fixing block (12) are formed in each of the two side faces of the insulating block (1), the two fixing grooves (11) and the two fixing blocks (12) are arranged in a crossed mode, and the fixing grooves (11) are matched with the fixing blocks (12);

the upper surface of insulating block (1) is seted up flutedly (13) the bottom fixed mounting of recess (13) has the piece of drawing forth (3), the center department of drawing forth piece (3) has seted up screw (32), draw forth the edge of piece (3) and seted up block groove (31) be equipped with limiting plate (4) in block groove (31), the lateral wall of limiting plate (4) is placed in block groove (31).

2. The LED display screen power supply AC terminal parallel connection high current terminal of claim 1, characterized in that: the novel ball-shaped socket is characterized in that a sliding groove (16) is formed in the inner center of the fixing groove (11), a first spring (17) is fixedly mounted at the bottom of the sliding groove (16), an embedded ball (14) is arranged in the sliding groove (16), and the embedded ball (14) is fixedly connected with the first spring (17).

3. The LED display screen power supply AC terminal parallel connection high current terminal of claim 2, characterized in that: an embedded groove (15) is formed in the fixing block (12), and the embedded ball (14) is matched with the embedded groove (15).

4. The LED display screen power supply AC terminal parallel connection high current terminal of claim 1, characterized in that: spring two (42) are installed on the inside top of limiting plate (4), the lower extreme of spring two (42) is connected with the last fixed surface who draws forth piece (3) top center department of limiting plate (4) has seted up intercommunicating pore (41), be equipped with screw rod (22) in screw (32) and intercommunicating pore (41), screw rod (22) and screw (32) looks adaptation.

5. The LED display screen power supply AC terminal parallel connection high current terminal of claim 4, characterized in that: the communicating hole (41) is matched with the screw hole (32).

6. The LED display screen power supply AC terminal parallel connection high current terminal of claim 4, characterized in that: the top end of the screw rod (22) is fixedly connected with a locking block (2), and the arc-shaped surface of the locking block (2) is provided with a crossed groove (21).