CN208722823U - Input power connector - Google Patents

Abstract

The utility model relates to input power connectors, including at least two miniature circuit breaker unit splits in the breaker group of one, each miniature circuit breaker unit has input port and output port, the input port side of the breaker group forms terminal box, the terminal box includes junction block and the L-type sealing plate that is fixedly mounted on the junction block, the junction block includes bottom wall, front side wall and rear wall and right side wall, on the right side wall, position corresponding with the input port of each miniature circuit breaker unit form wire inserting slot.The connector of the utility model is by opening up on the right side wall wire inserting slot, so that more convenient when its application installation, and the installation space due to not needing to vacate bridge type support in junction block cavity, effectively shorten the length of junction block bottom wall, so that the input power connector shell material of the structure is more saved, effective control has been obtained in terms of cost and has been saved.

Description

Input power connector

Technical field

The utility model is specifically related to a kind of input power connector.

Background technique

It is well known that miniature circuit breaker is also known as miniature circuit breaker, such as the breaker of model C45.According to domestic phase Electric power standard is closed, miniature circuit breaker applies in general to exchange 50/60Hz, voltage rating 230/400V, rated current to 63A route Overload and short-circuit protection be used, can also under normal circumstances as route infrequently operation conversion be used, so, it is small-sized Effect of the breaker in many cases as switch seems extremely common.Based on this, the utility model specially small-sized disconnected R & D design is carried out on the basis of the device of road, is applied and is such as being welded so that this technology product can be used as input power connector In the equipment such as machine, bar cutter.

In the prior art, the input power switch being typically employed in the electrical equipments such as electric welding machine, bar cutter, often It is all on the panel for directly using miniature circuit breaker (such as C45 model breaker) to be mounted on equipment as switch, then same Multiple connecting terminal blocks are installed in another position of panel again, to the access of outer lead, and miniature circuit breaker and terminals It is attached between son row by conducting wire, therefore, because conducting wire and connecting terminal block are added, so that higher cost, and due to Connecting terminal block is exposed on device panel, and there is also great security risks；In addition, by retrieval, it has been found that bulletin Number a kind of entitled " input power connector and input power connector peace are disclosed for the Chinese patent of 205790438 U of CN Assembling structure " technology contents, the technology contents of the patent are predominantly by miniature circuit breaker group and terminal box by way of clamping Secure bond together, and then realizes that outer lead directly passes through terminal box inner cavity access input terminal interface, to reach drop Low cost, the effect for improving safety；However there is also a defects for the input power connector of this structure: being exactly terminal box Entrance hole be provided on sealing plate, then cause that sealing plate must there are enough areas to open up entrance hole, make accordingly The housing parts of terminal box will also make the adjustment consistent with sealing plate, so that the materials higher cost of junction box part； In addition, due to entrance hole is provided on sealing plate, after cable enters terminal box inner cavity by entrance hole, in by cable Several separated times be respectively connected in input terminal interface, and the mode of this connection structure makes cable and the perpendicular pass of terminal box System's access, then the separated time in cable must form vertical relation with the approach axis of cable again, and access input terminal interface, Therefore, the cable butting wire box (especially in the inlet wire hole site of sealing plate) of this mode of connection has a kind of lasting torsion, makes It is unstable at the structure of terminal box, furthermore, wiring distribution and cable itself due to the separated time in cable in the inner cavity of terminal box Vertical relation is formed, therefore in the bending position of separated time, which will receive lasting fatigue damage, and the connection of butted line is reliable Property also has totally unfavorable influence.

Summary of the invention

The purpose of the utility model is to overcome the defect of the prior art, provide it is a kind of it is novel in design, structure is simple, wiring Safe ready and the strong input power connector of connection reliability.

To achieve the above object, the utility model uses a kind of input power connector, including at least two small-sized open circuits For the split of device unit in the breaker group of one, each miniature circuit breaker unit has input port and output port, described The input port side of breaker group forms terminal box, and the terminal box includes junction block and is fixedly mounted on the junction block L-type sealing plate, the junction block includes bottom wall, front side wall and rear wall and right side wall, on the right side wall, with it is described each The corresponding position of the input port of a miniature circuit breaker unit forms wire inserting slot, specifically, the L-type sealing plate has transverse plate And longitudinal plate, the top of the right side wall form the fluting for adapting to the longitudinal plate, the wire inserting slot is located under the fluting Side.The utility model by will open up wire inserting slot with input port respective numbers on the right side wall, so that external cable is not required to It first to penetrate in the junction block of terminal box, only separated time need to once then be corresponded into a wire inserting slot in outside by the good line of cable point It is just good that straight cutting enters the input port, so that forming direct insertion connection structure between external cable conducting wire and input port, greatly Facilitate staff wiring installation.

As the further setting of the utility model, the inside both ends of the transverse plate and longitudinal plate intersection location have cross To mounting post, on the front side wall and rear wall, position corresponding with the transverse direction for being transversely mounted column open up it is useful In the mounting hole of screw fastening installation.By being transversely mounted column setting, not only acts as and fastened convenient for screw from front and back two sidewalls The effect of the sealing plate is installed, even more plays the role of reinforcing rib to L-type sealing plate, because due to the characteristic of plastics products, L Type sealing plate is easiest to embrittlement in the position connected, and reinforcing rib then exactly plays reinforcement effect.

As the further setting of the utility model, the output port and input port are respectively provided with crimping chamber and tune Knothole, the adjustment hole of the input port are located at the top of crimping chamber, meanwhile, to improve safety, the transverse direction of the L-type sealing plate Plate is preferably the adjustment hole for covering the input port, and the adjustment hole of the output port is located at the lower section of crimping chamber and is formed down Dress formula structure.By above-mentioned further improvement it is found that since the upper end (i.e. side where sealing plate) of input power connector needs It is arranged on device panel, so then will lead to the adjustment hole and device panel of the output port of miniature circuit breaker conventional structure The distance between it is too short, extremely inconvenient staff carries out the adjusting installation of wiring, therefore by the output in the utility model Port is set at the position on the lower on rear side of the breaker group, and its adjustment hole is located at the lower section of crimping chamber and is formed Flip-over type structure, so that staff installs from the adjusting that the rear of equipment carries out wiring.

Meanwhile in order to avoid outer lead is touched each other and is formed short because of adverse circumstances such as concussions in terminal box inner cavity It connects, there is high-order partition between the input port of each breaker unit.

In addition, since the shell of general device (such as electric welding machine) is all metal conductive material, to prevent output end Conducting wire at mouthful is contacted with shell, and the utility model is also provided with shield, the shield tool on the outside of the output port Have lateral backplate and from the both lateral sides edge placement of lateral backplate, in the elasticity for being approximately perpendicular to the lateral backplate and extending Wall has on the elastic wall, on corresponding two medial surfaces to inward side to the wedge-shaped clamping portion of extension, the breaker group Two sides, position corresponding with the wedge-shaped clamping portion be respectively formed card slot, the wedge shape clamping portion is formed with the card slot Clamping.

Detailed description of the invention

Fig. 1 is the connection structure that miniature circuit breaker and connecting terminal come on load surface plate in the prior art.

Fig. 2 is the shell structure of miniature circuit breaker in the prior art.

Fig. 3 is that the cable connection connection that the input power connector of the utility model is arranged on panel is shown

It is intended to.

Fig. 4 is the shell structure stereoscopic schematic diagram of the input power connector of the utility model.

Fig. 5 is the stereoscopic schematic diagram of L-type sealing plate in the utility model.

Fig. 6 is the stereoscopic schematic diagram of shield in the utility model.

Fig. 7 is the main view of the utility model middle connecting terminal.

Fig. 8 is the schematic diagram removed after L-type sealing plate in Fig. 5.

Fig. 9 is another angle stereoscopic schematic diagram after removing shield in Fig. 5.

Figure 10 is another angle schematic diagram after removing shield in Fig. 8.

Specific embodiment

As shown in Fig. 1-Figure 10, the present embodiment uses a kind of input power connector, specifically, from shown in Fig. 1 it is found that existing Have in technology, applying the input power connector in equipment often is all using breaker group 1 and 2 common groups of connecting terminal block At then being connected between miniature circuit breaker group 1 and connecting terminal block 2 by conducting wire 3, set because connecting terminal block 2 is exposed at On standby panel 4, therefore, security risk is very big, meanwhile, in the prior art, notification number is the China of 205790438 U of CN The attached drawing 5 of patent, attached drawing 6 and the display of attached drawing 7 serial number of (mark of components be subject to the present embodiment), external cable 50 needs The entrance hole first passed through on sealing plate (sealing plate is board-type structure) introduces in the cavity of terminal box 51, then again by external cable 50 separated time 500 is sequentially ingressed into corresponding input port, and the mode of connection of this structure makes external cable 50 and terminal box 51 perpendicular structures, while the separated time 500 in cable forms vertical relation with cable itself again, such connection structure is obviously not It is big ideal, first is that the difficulty of wiring is increased, second is that external cable 50 and the vertical structure of terminal box will be so that terminal box 51 be held By biggish bearing capacity, if things go on like this go down, terminal box 51 is easy fatigue, influences the stability of 51 structure of terminal box；Therefore, exist It in the present embodiment, is shown in Fig. 3-Figure 10, input power connector includes three 10 splits of miniature circuit breaker unit in one Breaker group 1, as can be known from Fig. 2, each miniature circuit breaker unit 10 have input port 10a and output port 10b, and It is further displayed in Fig. 4, the side the input port 10a formation terminal box 51 of the breaker group 1, it is described to connect in the present embodiment The shell of wire box 51 and breaker group 1 forms integral structure, and the terminal box 51 includes junction block 512 and is fixedly mounted on institute State the L-type sealing plate 513 on junction block 512, the junction block 512 include bottom wall 5120, front side wall 5121 and rear wall 5122 with And right side wall 5123, on the right side wall 5123, corresponding with the input port 10a of each miniature circuit breaker unit 10 Position formed wire inserting slot 51230, further combined with Fig. 5 it is found that the L-type sealing plate 513 have transverse plate 5130 and longitudinal plate 5131, the top of the right side wall 5123 forms the fluting 51231 for adapting to the longitudinal plate 5131, the wire inserting slot 51230 Positioned at 51231 lower section of fluting.In conjunction with Fig. 3 connection structure shown and Figure 10 it is found that the present embodiment passes through in right side wall The wire inserting slot 51230 with input port 10a respective numbers is opened up on 5123, so that external cable 50 does not need first to penetrate terminal box In 51 junction block 512, only it is straight that separated time 500 then need to be corresponding in turn to a wire inserting slot 51230 in outside by the good line of cable point It is inserted into the input port 10a, so that forming direct insertion connection structure, pole between external cable 50 and input port 10a The big wiring installation for facilitating staff, meanwhile, it, can be on panel 4 in setting one to prevent external cable 50 from deviating Bridge type support 40, cable to be fastened on panel 4.

It is further displayed in Fig. 5, the inside both ends of 5131 intersection location of the transverse plate 5130 and longitudinal plate have laterally Mounting post 514, on the front side wall 5121 and rear wall 5122, corresponding with the transverse direction for being transversely mounted column 514 Position offers the mounting hole 51212 for screw fastening installation.It is arranged by being transversely mounted column 514, has not only acted as and be convenient for Screw installs the effect of the L-type sealing plate 513 from the fastening of front and back two sidewalls, and the work of reinforcing rib is even more played to L-type sealing plate 513 With because L-type sealing plate 513 is easiest to embrittlement in the position connected, and reinforcing rib is then due to the characteristic of plastics products Exactly play reinforcement effect.

Fig. 4 combination Fig. 8 and Fig. 9 and Figure 10 shows that the output port 10b and input port 10a are respectively provided with crimping Chamber 101 and adjustment hole 102, the adjustment hole 102 of the input port 10a is located at the top of crimping chamber 101, simultaneously as aforementioned Wire inserting slot 51230 is provided with the reason on right side wall 5123, applies when by the input power connector of the present embodiment in electric welding machine Etc. in equipment when, the wire inserting slot 51230 on 51 right side wall 5123 of terminal box must then protrude panel 4, so as to wiring, and with This simultaneously, such wiring construction will make the adjustment hole 102 above input port 10a be exposed to outside (because of the adjustment hole 102 Conductive adjusting screw is inside generally set), there are some potential safety problemss, to improve safety, the L-type sealing plate 513 Transverse plate 5130 is preferably the adjustment hole 102 for covering the input port 10a, and the adjustment hole 102 of the output port 10b is located at The lower section of crimping chamber 101 and form flip-over type structure, specifically, being to installation diagram in the input port and output port The connecting terminal 7 shown in 7 comprising frame-type terminal base 70 and be threaded on the upper head plate 700 of the frame-type terminal base 70 Expansion screw 71, in the present embodiment, the frame-type terminal base 70 is located in the crimping chamber 101, the adjustable spiral shell Nail 71 be located at the adjustment hole 102 in, facilitate staff by the adjustment hole 102 to the expansion screw 71 carry out precession or The adjusting that person screws out.By above-mentioned further improvement it is found that since the upper end of input power connector is (i.e. where L-type sealing plate 513 Side) need be arranged on device panel 4, so then will lead to the adjustment hole of the output port of miniature circuit breaker conventional structure The distance between device panel is too short (because of the output terminal 10b of the miniature circuit breaker unit of conventional structure, adjustment hole 102 are located at 101 top of crimping chamber), extremely inconvenient staff carries out the adjusting installation of wiring, therefore will be described in the present embodiment Output port 10b is set at the position on the lower of 1 rear side of breaker group, and its adjustment hole 102 is located at crimping chamber 101 lower section and form flip-over type structure, so as to staff from the rear of equipment carry out wiring adjusting installation.

Meanwhile in order to avoid the separated time 500 in terminal box 51 51 inner cavity of terminal box because concussion etc. adverse circumstances due to each other Touch and formed short circuit, in conjunction with Figure 10 it is found that have between the input port 10a of each breaker unit 10 it is high-order every Plate 120.

In addition, since the shell of general device (such as electric welding machine) is all metal conductive material, to prevent output end Conducting wire at mouth 10b is contacted with shell, and the present embodiment is also provided with shield 6, the protection on the outside of the output port 10b Cover 6 have lateral backplate 60 and from the both lateral sides edge placement of lateral backplate 60, in being approximately perpendicular to the lateral backplate 60 elastic walls 61 extended have on the elastic wall 61, on corresponding two medial surfaces to inward side to the wedge-shaped card of extension Socket part 610, the two sides of the breaker group 1, position corresponding with the wedge shape clamping portion 610 are respectively formed card slot 140, institute It states wedge-shaped clamping portion 610 and forms clamping with the card slot 140.

The basic principles and main features and advantage of the utility model have been shown and described above.The technology people of the industry Member it should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe The principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model also have various changes Change and improve, these various changes and improvements fall within the scope of the claimed invention.The protection of the requires of the utility model Range is according to the attached claims and its equivalent thereof.

Claims (7)

1. input power connector, described each including at least two miniature circuit breaker unit splits in the breaker group of one Miniature circuit breaker unit has input port and output port, and the input port side of the breaker group forms terminal box, Be characterized in that: the terminal box includes junction block and the L-type sealing plate that is fixedly mounted on the junction block, and the junction block includes Bottom wall, front side wall and rear wall and right side wall, the input terminal on the right side wall, with each miniature circuit breaker unit The corresponding position of mouth forms wire inserting slot.

2. input power connector according to claim 1, it is characterised in that: the L-type sealing plate has transverse plate and indulges To plate, the top of the right side wall forms the fluting for adapting to the longitudinal plate, and the wire inserting slot is located at below the fluting.

3. input power connector according to claim 2, it is characterised in that: the transverse plate and longitudinal plate intersection location Inside both ends have and be transversely mounted column, on the front side wall and rear wall, opposite with the transverse direction for being transversely mounted column The position answered offers the mounting hole for screw fastening installation.

4. input power connector according to claim 3, it is characterised in that: the output port and input port difference With crimping chamber and adjustment hole, the adjustment hole of the input port is located at the top of crimping chamber, and the transverse plate of the L-type sealing plate covers The adjustment hole of the input port is covered, the adjustment hole of the output port is located at the lower section of crimping chamber and forms flip-over type structure.

5. input power connector according to claim 4, it is characterised in that: the input of each breaker unit There is high-order partition between port.

6. input power connector according to claim 5, it is characterised in that: be provided with protection on the outside of the output port Cover.

7. input power connector according to claim 6, it is characterised in that: the shield have lateral backplate and From the both lateral sides edge placement of lateral backplate, in the elastic wall for being approximately perpendicular to the lateral backplate and extending, on the elastic wall, Have to inward side on corresponding two medial surfaces to the wedge-shaped clamping portion of extension, the two sides of the breaker group, with it is described The corresponding position in wedge-shaped clamping portion is respectively formed card slot, and the wedge shape clamping portion and the card slot, which are formed, to be clamped.