CN107464718B

CN107464718B - Connecting terminal

Info

Publication number: CN107464718B
Application number: CN201710815593.0A
Authority: CN
Inventors: 焦驰
Original assignee: Nanjing Service Electric Co ltd
Current assignee: Nanjing Service Electric Co ltd
Priority date: 2017-09-12
Filing date: 2017-09-12
Publication date: 2020-09-18
Anticipated expiration: 2037-09-12
Also published as: CN107464718A

Abstract

The invention discloses a connecting terminal which comprises a front panel and a back panel, wherein the front panel and the back panel are both made of insulating materials, an installation cavity is formed in the back panel, two circuit conducting pieces are installed in the installation cavity, a manual operation toggle break is further hinged to the front panel, two moving contacts are arranged on the manual operation toggle break and connected through a tail portion, the circuit conducting pieces are static contacts, and the moving contacts can be inserted into the installation cavity and conduct the two static contacts. The connecting terminal is simple in structure and can be quickly connected or disconnected.

Description

Connecting terminal

Technical Field

The invention belongs to the field of accessories of switch cabinets, and particularly relates to a connecting terminal.

Background

With the development of electric power utilities, the switching devices of modern power distribution and utilization systems not only require intellectualization in monitoring, control, protection and the like, but also require intellectualization in the operation of the switching devices. The intelligent process of the traditional power grid central-mounted switch cabinet is increasingly accelerated, remote operation mechanisms in various forms are all operated by remote control, the requirement of five prevention in the aspect of matching of remote and field in the intelligent process is improved, the situation that remote operation personnel carry out remote operation on the switch cabinet when in field maintenance is avoided, the situation that field personnel are in danger due to misoperation of the remote operation personnel is avoided, therefore, a manually operated connecting terminal is required to be installed on the switch cabinet, the remote and on-site connecting terminal is disconnected through the connecting terminal when in maintenance, but the current connecting terminal is directly connected by adopting a connector, corrosion is easily generated, and meanwhile, the safety performance is not high when in operation.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, the present invention provides a connection terminal having a simple structure, capable of rapidly connecting or disconnecting the terminals, and having high safety.

In order to achieve the purpose, the invention provides a connecting terminal which comprises a front panel and a back panel, wherein the front panel and the back panel are made of insulating materials, an installation cavity is formed in the back panel, two circuit conducting pieces are installed in the installation cavity, a manual operation toggle break is hinged to the front panel, two moving contacts are arranged on the manual operation toggle break, and the moving contacts can be inserted into the installation cavity and conduct the two circuit conducting pieces.

Furthermore, the lower part of the back plate is provided with a wiring groove.

Furthermore, the installation cavity comprises a left installation half cavity and a right installation half cavity, the installation cavity is separated by an intermediate partition plate, the static contacts are respectively installed on the upper portions of the left installation half cavity and the right installation half cavity, each static contact comprises a spring piece and a conducting strip, and a circuit connecting sheet is further arranged in each static contact.

Furthermore, a nameplate mounting frame for mounting a nameplate and a sign is fixedly arranged on the front panel.

Furthermore, the upper end and the lower extreme of backplate all fix and are provided with the elasticity joint piece, the cross-section of elasticity joint piece is triangle-shaped, the elasticity joint piece is provided with anti-skidding stripe towards that side of front panel.

Furthermore, articulated pieces are further arranged on two sides of the nameplate mounting frame, the manual pulling-off is articulated on the articulated pieces through two support feet, a triangular pulling-off piece is arranged at the top of the manual pulling-off, and anti-skid stripes are arranged on two sides of the triangular pulling-off piece.

Furthermore, the upper portion and the lower part of the back of the front panel are respectively fixed with an upper clamping sheet and a lower clamping sheet, the upper clamping sheet and the lower clamping sheet are both provided with step surfaces, and the rear back plate is provided with a clamping surface matched with the step surfaces.

Furthermore, two circuit connecting sheet supporting tables are arranged on the front panel.

The invention has the beneficial effects that: (1) the connecting terminal has a simple structure, and can be quickly connected or disconnected;

(2) through the sealed design, the occurrence of electric shock hazard of a human body is effectively avoided, meanwhile, the dust-proof and dustproof effects are effectively achieved, the influence of external humidity on metal corrosion is practically avoided, and the formation of an oxide layer on the surface of the metal is slowed down;

(3) the front panel and the rear panel are designed integrally, so that the electric locking function of the connecting terminal is more visually shown, and the panel of the cabinet body is integrally concise, tidy, attractive and elegant;

(4) the moving contact and the static contact are designed in an elastic plug-in type mode, so that the electrical connection is more reliable, the operation is more convenient and faster, the automatic disconnection due to the action of gravity is effectively avoided, and the installation of the connecting terminal and the panel of the cabinet body are simpler and more convenient due to the elastic lock joint type design.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a perspective view of the present invention in another orientation;

FIG. 3 is a schematic structural view of a backplate of the present invention;

FIG. 4 is a schematic view of the front panel of the present invention;

FIG. 5 is a schematic view of the hand-operated snap-off configuration of the present invention;

fig. 6 is a structural view of the front panel of the present invention in another direction.

In the figure: 1. a front panel; 2. a back panel; 3. installing a cavity; 4. a line conducting member; 5. manually-operated snapping; 6. a moving contact; 7. wiring grooves; 8. a left mounting half cavity; 9. the right mounting half cavity; 10. a middle partition plate; 11. static contact; 12. a nameplate mounting frame; 13. a hinged sheet; 14. a support leg; 15. an elastic clip sheet; 16. a triangular shifting piece; 17. an upper clip sheet; 18. a lower clip sheet; 19. a step surface; 20. a clamping surface; 21. a circuit connecting sheet; 22. a circuit connection sheet support table; 23. a spring plate; 24. and (4) conducting strips.

Detailed Description

The invention is further illustrated by the following examples in conjunction with the accompanying drawings:

referring to fig. 1 to 6, the connecting terminal includes a front panel 1 and a back panel 2, the front panel 1 and the back panel 2 are both made of insulating materials, an installation cavity 3 is formed in the back panel 2, two circuit conduction pieces 4 are installed in the installation cavity 3, a manual toggle 5 is hinged to the front panel 1, two moving contacts 6 are arranged on the manual toggle 5, and the moving contacts 6 can be plugged into the installation cavity 3 and conduct the two circuit conduction pieces 4.

When the invention is used, a mounting hole is preset on the switch cabinet body, then the connecting terminal with the attached mark is buckled in the mounting hole, the connecting wire with the corresponding function of the cabinet body is fixed on the circuit conducting piece 4, when a component in the cabinet body needs to be overhauled, in order to prevent the misoperation of an operator and control personnel, the site personnel is in danger of electric shock, so the site personnel can select the connecting terminal with the corresponding function, directly operate the manual operation poking-off piece 5, enable the moving contact 6 which is inserted on the circuit conducting piece 4 on the manual operation poking-off piece 5 to be separated from the circuit conducting piece 4, disconnect various contacts of the component to be repaired and the outside, and ensure the safety of the site personnel. When the on-site maintenance work is finished, the connection relation between the manual operation disconnecting switch 5 and the static contact 11 is restored, various contacts between the component to be maintained and the outside are communicated at the moment, and the maintenance work is finished.

Further, a wiring groove 7 is formed in the lower portion of the rear plate 2. When the connecting wire is fixed to the line conduction member 4, the plurality of strands of wire harnesses can be collectively accommodated in the wiring groove 7, preventing them from being excessively scattered.

Further, the installation cavity 3 includes a left installation half cavity 8 and a right installation half cavity 9, the installation cavity 3 is partitioned by an intermediate partition plate 10, the static contacts 11 are respectively installed on the upper portions of the left installation half cavity 8 and the right installation half cavity 9, each static contact 11 includes a spring piece and a conducting strip, and each static contact 11 is further provided with a circuit connecting sheet 21 for connecting a circuit in the cabinet body. Because the fixed contact 11 is fixed in the installation cavity 3, the fixed contact 11 can enable the movable contact 6 to be stably fixed on the fixed contact 11, the fixed contact 11 comprises the spring piece 23 and the conducting strip 24, when the movable contact 6 is inserted into the fixed contact, the conducting strip 24 is expanded, and when the movable contact 6 is pulled out of the fixed contact, the conducting strip is contracted under the action of the spring piece.

Further, a nameplate mounting frame 12 is fixedly arranged on the front panel 1, and a nameplate, a sign and the like can be mounted in the nameplate mounting frame 12.

Furthermore, the upper end and the lower end of the back plate 2 are both fixedly provided with elastic clamping pieces 15, the cross sections of the elastic clamping pieces 15 are triangular, and the side of the elastic clamping pieces 15 facing the front panel 1 is provided with anti-skid stripes. Because the upper end and the lower extreme of backplate 2 all are provided with elasticity joint piece 15, when with connecting terminal joint, press elasticity joint piece 15 respectively, make during entering into the mounting hole that it can be smooth, after connecting terminal joint was accomplished, so can be with the swift convenient fixing of connecting terminal in the mounting hole, can not deviate from.

Furthermore, hinged pieces 13 are further arranged on two sides of the nameplate mounting frame 12, and the hand-operated snap 5 is hinged to the hinged pieces 13 through two support legs 14. Through the mode, the manual poking-off 5 can be directly pulled up and down, and the opening and closing functions of the connecting terminal can be easily realized.

Furthermore, a triangular shifting piece 16 is arranged at the top of the manual shifting block 5, and anti-skid stripes are arranged on two sides of the triangular shifting piece 16. The triangular shifting piece 16 is arranged, so that the manual shifting of the toggle-off 5 can be operated more quickly and smoothly, and the anti-slip lines arranged on the triangular shifting piece can prevent the triangular shifting piece from sliding when the triangular shifting piece is shifted.

Further, the upper portion and the lower part at the back of front panel 1 still are fixed with joint piece 17 and lower joint piece 19 respectively, it all is provided with the step face with lower joint piece 18 to go up joint piece 17, be provided with on backplate 2 with step face assorted joint face 20. Through the cooperation of step face 17 and joint face 20, can make backplate 2 can be comparatively firm fixed on front panel 1.

Further, the front panel 1 includes two circuit connecting sheet supporting tables 22. Since the circuit connecting sheet support table 22 is further provided on the front panel 1, the conductive sheet 21 can be supported 22 by the circuit connecting sheet support table 22, and thus the conductive sheet is prevented from being bent.

The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims

1. The connecting terminal is characterized by comprising a front panel and a back panel, wherein the front panel and the back panel are both made of insulating materials, an installation cavity is formed in the back panel, two circuit conducting pieces are installed in the installation cavity, a manual operation pull-off is further hinged to the front panel, two moving contacts are arranged on the manual operation pull-off, the two moving contacts are connected through a tail part, the circuit conducting pieces are static contacts, and the moving contacts can be inserted into the installation cavity and conduct the two static contacts;

the lower part of the back plate is provided with a wiring groove;

the installation cavity comprises a left installation half cavity and a right installation half cavity, the installation cavity is partitioned by an intermediate partition plate, the static contacts are respectively installed on the upper parts of the left installation half cavity and the right installation half cavity, each static contact comprises a spring piece and a conducting strip, and a circuit connecting sheet is further arranged in each static contact;

the front panel is also fixedly provided with a nameplate mounting frame for mounting a nameplate and a sign;

elastic clamping pieces are fixedly arranged at the upper end and the lower end of the rear back plate, the cross sections of the elastic clamping pieces are triangular, and anti-skid stripes are arranged on the side, facing the front panel, of the elastic clamping pieces;

the nameplate mounting frame is characterized in that hinged pieces are further arranged on two sides of the nameplate mounting frame, the manual operation pulling-off is hinged to the hinged pieces through two supporting legs, a triangular pulling piece is arranged at the top of the manual operation pulling-off, and anti-skid stripes are arranged on two sides of the triangular pulling piece.

2. A connecting terminal according to claim 1, wherein an upper engaging piece and a lower engaging piece are fixed to the upper portion and the lower portion of the rear surface of the front panel, respectively, and each of the upper engaging piece and the lower engaging piece has a stepped surface, and the rear back panel has an engaging surface matching the stepped surface.

3. A connection terminal according to claim 2, characterized in that said front panel comprises two circuit bond pad support tables thereon.