CN203871592U

CN203871592U - Fuse terminal connector

Info

Publication number: CN203871592U
Application number: CN201420138542.0U
Authority: CN
Inventors: 王峰; 柳申
Original assignee: Nanjing Phoenix Contact Co Ltd; Phoenix Contact Asia Pacific Nanjing Co Ltd
Current assignee: Nanjing Phoenix Contact Co Ltd; Phoenix Contact Asia Pacific Nanjing Co Ltd
Priority date: 2014-03-26
Filing date: 2014-03-26
Publication date: 2014-10-08
Anticipated expiration: 2024-03-26

Abstract

The utility model provides a fuse terminal connector comprising a housing, a clamp pin, a breaking rotary arm, a wiring clamping frame, a current strip and a pressing spring; the breaking rotary arm also comprises a metal spring sheet, a light guide sheet, an LED module, and a fuse; an upper portion of the housing is provided with at least one mounting operation port; the breaking rotary arm arranged on the upper portion of the housing can freely rotate along a fixing shaft, the fuse is arranged in the breaking rotary arm; an outer side face of the housing is provided with reserve heat radiation division holes; an outer side of the housing is provided with the light guide plate capable of identifying LED lighting conditions in multi directions; rotation motion connection/disconnection of the breaking rotary arm is used to realize breaking and connection functions of the circuit; safety operation reliability of the fuse terminal connector is realized, and heat radiation capability, accident alarming and client indentifying capability are increased; operation is very convenient.

Description

Fuse terminal connector

Technical field

The utility model relates to a kind of terminal connector structure, particularly, in the electric equipment of large electric current, can in electrical connection arrangement, play the fuse terminal connector of safeguard protection and isolation.

Background technology

Fuse terminal is exactly a kind of terminal with cartridge fuse, and it,, by the elasticity of self head, ensures that it contacts well with fuse, thus guarantee insurance silk normally work, there is good electric conductivity.

Along with client's demand diversity all the more, this series products is through repeatedly improving, from traditional switch formula fuse terminal, screw cap type fuse terminal disjunction swing-arm type fuse terminal till now; The quantity of at present more conventional its assembly of technical scheme is more, increase the risk of assembling, the misoperation of wire cannot be realized in clamp region under the state of closing, housing comparatively seals, thermal diffusivity is bad, volume is larger, and it is unfavorable that scene is installed, and does not possess the reserved location of heat radiation annex.

This new technique scheme is a kind of swing-arm type fuse terminal, and spiral arm upwardly-openable is also fixed on final position, in spiral arm, can pack fuse into; This terminal is with luminescence display and the model with luminescence display not; Band luminescence display type fuse terminal can send demonstration model in the time of blown fuse; luminescence display type fuse terminal is equipped with the light-emitting diode of two reverse parallel connections or fluorescent lamp is housed on its spiral arm; by rotating spiral arm to be jointly switched on or switched off one or more ac circuits; with guide rail, multiple terminals are coupled together again, form a safeguard protection and shielding system.

Therefore, this design is one of current most preferred design, and so, we will further set forth the feature of this technical scheme.

Summary of the invention

The utility model provides a kind of fuse terminal connector, by the architecture advances to rotary terminal connector, adopt the design of frame screw wiring mechanism in the wiring position of housing both sides, the reserved heat radiation of housing pod apertures, the safe and reliable terminal with luminescence display can provide the make-and-break signal of fuse operating state, not only realize the safety operation reliability of fuse terminal connector, can also increase the heat-sinking capability of fuse terminal connector, accident alarming and client ability easy to identify, easy to operate.

The purpose of this utility model is achieved through the following technical solutions:

A kind of fuse terminal connector of the utility model, comprises housing, card base, disjunction spiral arm, clamp frame, current bar, holddown spring, and described disjunction spiral arm inside also comprises metal clips, light guide sheet, LED module, fuse; Two are equipped with the clamp frame left and right distribution housing two bottom sides of current bar link, double team one holddown spring outside the both ends open groove of described current bar, liftable clamp frame is by screw in compression current bar and the cable on top, and described clamp frame lower end also has the anti-mis-insertion block of a bending; Described fuse is positioned in disjunction spiral arm inner chamber, and two ends are fixed with metal clips; It is characterized in that: described disjunction spiral arm is the rotating mechanism with the pivot structure composition of upper and lower cavity isolation, it comprises a closed housing, hollow cavity, rotating shaft, described housing upper inside wall is provided with fixed axis, the supporting corresponding socket of rotating shaft of described fixed axis and disjunction spiral arm, disjunction spiral arm is rotated with respect to fixed axis, and annular air pod apertures is organized in the indwelling of outside both sides more; The isolation of described LED module and bottom hollow out cavity, at right angle setting in described disjunction spiral arm slot, the light guide plate that its outside configuration can the luminous situation of multi-direction identification LED; Realize disjunction, the connection of circuit by the breaking and closing that rotatablely move of disjunction spiral arm.

Described clamp frame wiring mechanism is a rectangle framework, adopt punching press and continuous bending operation to be processed into type, upper end has screwed hole and supporting screw, lower end one side is provided with the block of a bending, the misoperation insertion that limits the left and right displacement of clamp frame and prevent wire with this, rotate fastening insertion wire wherein by jointer gathering hole adjustment screw, realize the current switching between current bar and the wire of disjunction each other.

Described plastic casing adopts technical grade flame-retardant insulating material, because this type of material has various shapes, shock-resistant, and this product is in use and between circuit, have higher safe insulation electric property, not only attractive in appearance but also safe and reliable simultaneously; In addition, the ultrasonic wave encapsulation technology that plastic casing uses, not only greatly overcomes the destructive power of test moment of torsion to shell, and for inside provides enough heat-dissipating spaces, meets to greatest extent the radiating requirements that equipment uses.

The utlity model has unique advantage and beneficial effect as follows:

(1) external shell of technical solutions of the utility model adopts industrial flame-retardant insulating material, because this type of material has various shapes, shock-resistant, has higher safe insulation electric property, not only attractive in appearance but also safe and reliable;

(2) technical solutions of the utility model with improve before technical scheme compared with, the quantity of product component reduces, small product size is smaller and more exquisite, the damage risk of assembling reduces, avoid clamp region under the state of closing, cannot realize the misoperation of wire, for install and client saved use cost;

(3) technical solutions of the utility model are used ultrasonic wave encapsulation technology processing housing, not only greatly overcome the destructive power of test moment of torsion to shell, and for inside provides enough heat-dissipating spaces, meet to greatest extent the radiating requirements that equipment uses;

(4) technical solutions of the utility model have the safe and reliable terminal with luminescence display and can provide the design of the make-and-break signal of fuse, LED mould-group circuit-board adopts horizontal mounting means, the installation difficulty that has reduced LED module, has reduced assembling risk and difficulty.

Brief description of the drawings

Fig. 1 is the perspective view of the technical program fuse terminal connector;

Fig. 2 is the disjunction arm structure schematic diagram of the technical program fuse terminal connector;

In figure, the implication of each Reference numeral is:

1～housing, 2～card base, 3～disjunction spiral arm, 4～clamp frame, 5～current bar, 6～holddown spring, 7～screw, 8～metal clips, 9～light guide sheet, 10～LED module, 11～fuse, 12～block, 21～closed housing, 22～hollow cavity, 23～rotating shaft.

Embodiment

Below in conjunction with Figure of description in detail technical solutions of the utility model are described in detail:

As shown in Fig. 1 Fig. 2, a kind of fuse terminal connector comprises housing, card base, disjunction spiral arm, clamp frame, current bar, holddown spring, screw, and described disjunction spiral arm inside also comprises metal clips, light guide sheet, LED module, fuse, described housing top arranges at least one fitting operation mouth, the disjunction spiral arm that is installed in housing top can freely rotate along fixed axis, be equipped with two clamp frame left and right distribution housing two bottom sides of current bar, the both ends open groove outside of described current bar is provided with a holddown spring, rotating disjunction spiral arm inlay card enters housing top fitting operation mouth, liftable clamp frame is by screw in compression current bar and the cable on top, described clamp frame lower end also has the anti-mis-insertion block of a bending, described disjunction spiral arm is the rotating mechanism with the pivot structure composition of upper and lower cavity isolation, it comprises a closed housing, hollow cavity, rotating shaft, described housing upper inside wall is provided with fixed axis, the supporting corresponding socket of rotating shaft of described fixed axis and disjunction spiral arm, disjunction spiral arm is rotated with respect to fixed axis, air conducting hole is organized in the described upper and lower indwelling in outside both sides more, described housing bottom also has some limit ribs to strangle, and the hollow cavity base slider projection of described disjunction spiral arm is strangled and is matched with limit rib, make disjunction spiral arm do and rotate or move linearly with respect to housing base, circuit is connected the stage, and the rotation of disjunction spiral arm is pushed into predeterminated position, and fuse the two poles of the earth embed in described current bar open slot, the circuit disconnected phase, the rotation of disjunction spiral arm is drawn out housing top fitting operation mouth.

Further, described enclosure interior adopts the design of near symmetrical, is installed in the distribution both sides, current bar left and right of enclosure interior, and fuse that can bridge current bar is embedded in the hollow cavity of disjunction spiral arm; Symmetrical clamp frame, current bar and holddown spring, realize the disjunction of circuit, the function of connection by the breaking and closing that rotatablely move of disjunction spiral arm, and clamp frame adopts screw to connect the mode of lifting, and wire is fixed in clamp frame.

Described current bar left and right disconnects each other, and through bending mold pressing processing, its top is wing shape opening shape, and outside is provided with the holddown spring of supporting slip-off preventing clamping, is socketed in its outside along its surrounding; Then insert clamp frame and use the mode being spirally connected to link together, realize the connection of circuit.

Further, described clamp frame is a rectangle framework, adopts punching press and continuous bending operation to be processed into type, upper end has the screw of screwed hole and configuration thereof, there is the block of a bending lower end, and the left and right displacement that limits clamp frame with this, rotates fastening insertion wire wherein by screw.

Again further, described LED module at right angle setting, in disjunction spiral arm slot, is effectively avoided the bending production technology unreliability of LED fluorescent tube pin, and described LED module outside configuration light guide plate can the luminous situation of multi-direction identification LED, is beneficial to client's observation.

Described LED module and fuse are parallel-connection structures, and when normal, the resistance of the resistance ratio LED module of fuse is little a lot, and electric current is most of by fuse, and LED module does not work; In the time of blown fuse, electric current is by LED module, and lamp is bright.Described LED module is two light-emitting diodes in parallel, and two diode polarities are contrary, and therefore how light-emitting diode the two poles of the earth are exchanged and after blown fuse, all can be lighted diode.

In addition, described housing bottom is provided with mounting groove and the card base of mounting guide rail, and card base is positioned at mounting groove one end afterbody, realizes bridge joint and the fixed function of multi-disc terminal, has covered existing product in function completely, but has greatly reduced difficulty of processing simultaneously.

In sum; above embodiment is only one of preferred implementation of the present utility model; this technical scheme is not done to restriction further, the routine of this technical scheme being carried out those skilled in the art changes and the replacement of unsubstantiality all should be included in the protection range of present patent application.

Claims

1. fuse terminal connector, comprises housing, card base, disjunction spiral arm, clamp frame, current bar, holddown spring, and described disjunction spiral arm inside also comprises metal clips, light guide sheet, LED module, fuse; Two are equipped with the clamp frame left and right distribution housing two bottom sides of current bar link, double team one holddown spring outside the both ends open groove of described current bar, liftable clamp frame is by screw in compression current bar and the cable on top, and described clamp frame lower end also has the anti-mis-insertion block of a bending; Described fuse is positioned in disjunction spiral arm inner chamber, and two ends are fixed with metal clips; It is characterized in that: described disjunction spiral arm is the rotating mechanism with the pivot structure composition of upper and lower cavity isolation, it comprises a closed housing, hollow cavity, rotating shaft, described housing upper inside wall is provided with fixed axis, the supporting corresponding socket of rotating shaft of described fixed axis and disjunction spiral arm, disjunction spiral arm is rotated with respect to fixed axis, and air conducting hole is organized in the described upper and lower indwelling in outside both sides more; The isolation of described LED module and bottom hollow out cavity, at right angle setting in described disjunction spiral arm slot, the light guide plate that its outside configuration can the luminous situation of multi-direction identification LED; Realize disjunction, the connection of circuit by the breaking and closing that rotatablely move of disjunction spiral arm.

2. fuse terminal connector according to claim 1, it is characterized in that: described enclosure interior adopts the design of near symmetrical, be installed in the distribution both sides, current bar left and right of enclosure interior, and fuse that can bridge current bar is embedded in the hollow cavity of disjunction spiral arm; Symmetrical clamp frame, current bar and holddown spring, realize the disjunction of circuit, the function of connection by the breaking and closing that rotatablely move of disjunction spiral arm, and clamp frame adopts screw to connect the mode of lifting, and wire is fixed in clamp frame.

3. fuse terminal connector according to claim 1, it is characterized in that: described current bar left and right disconnects each other, and through bending mold pressing processing, its top is wing shape opening shape, outside is provided with the holddown spring of supporting slip-off preventing clamping, is socketed in its outside along its surrounding; Then insert clamp frame and use the mode being spirally connected to link together, realize the connection of circuit.

4. fuse terminal connector according to claim 1, it is characterized in that: described clamp frame is a rectangle framework, adopt punching press and continuous bending operation to be processed into type, upper end has the screw of screwed hole and configuration thereof, there is the block of a bending lower end, the left and right displacement that limits clamp frame with this, rotates fastening insertion wire wherein by screw.

5. fuse terminal connector according to claim 1, is characterized in that: described LED module at right angle setting is in disjunction spiral arm slot, and its outside configuration can the multi-direction light guide plate of identifying the luminous situation of LED.

6. fuse terminal connector according to claim 1, is characterized in that: described LED module and fuse are parallel-connection structures, and described LED module is two light-emitting diodes in parallel, and two diode polarities are contrary.

7. fuse terminal connector according to claim 1, is characterized in that: described housing bottom is provided with mounting groove and the card base of mounting guide rail, and card base is positioned at mounting groove one end afterbody, realizes the bridge joint of multi-disc terminal and fixes.