CN208315838U

CN208315838U - Inverter direct current connecting terminal with protection cap

Info

Publication number: CN208315838U
Application number: CN201620919590.2U
Authority: CN
Inventors: 李资权; 王鑫; 王振宇
Original assignee: Shenzhen Yiyuan Technology Co ltd
Current assignee: Shenzhen Yiyuan Technology Co ltd
Priority date: 2016-08-22
Filing date: 2016-08-22
Publication date: 2019-01-01
Anticipated expiration: 2026-08-22

Abstract

The utility model discloses a kind of direct current connecting terminals of the inverter with protection cap, the junction for solving cable and connecting terminal is directly exposed to outside, so that be easy to appear in actual use because metal is fallen between two direct current connecting terminals cause short-circuit hidden danger the problem of, its key points of the technical solution are that, including the mounting plate with first side and second side and the conductive plate being fixed on mounting plate, the isolation board that upper surface is higher than the first side of mounting plate is equipped in the first side of mounting plate, and the protection cap of the supporting part abutted against with isolation board is fastened and is equipped with mounting plate, the horn mouth for cable stretching of powering is equipped on any side surface of protection cap.The utility model has the advantages that the junction by cable and direct current connecting terminal is coated in protection cap to reduce and occur causing short-circuit occurrence probability because metal is fallen between two connecting terminals.

Description

Inverter direct current connecting terminal with protection cap

Technical field

The utility model relates to the part field of inverter, in particular to a kind of inverter direct current with protection cap Connecting terminal.

Background technique

Inverter is a kind of electronic equipment that low-voltage DC is changed into 220 volts of alternating currents, it is patrolled by inverter bridge, control It collects and filter circuit forms.People are in the epoch of one " movement " now, mobile office, mobile communication, mobile leisure and Amusement, in mobile state, people not only need the low-voltage DC supplied by battery or storage battery, while being also required to daily life 220 volts of indispensable alternating currents in work, and inverter just can satisfy this demand of people.

Directly cable is bundled on direct current connecting terminal when in use for existing inverter, possible leakage Electricity, the bad problem of heat dissipation, authorized announcement date on December 9th, 2015, the Chinese patent of Authorization Notice No. CN204858999U are public A kind of inverter direct current connecting terminal is opened.It include match screw portion and fixed part, fixed part includes that installation is fixed Plate, the mounting base being set on a side surface of mounting plate are fixed on mounting plate and mutually hang down with mounting plate Straight conductive plate, conductive plate and mounting base are located at the two sides of mounting plate, are provided in mounting base and fix through installation The mounting hole of plate；The portion of screwing includes that the bolt being plugged in mounting hole and the end for being fixed on bolt screw cap.It is using When cable is bonded mounting base, then by rotation screw cap push where bolt from mounting plate upper mounting seat one Side wears the side to where conductive plate, and cable is pressed on mounting plate and at the same time screwing cap, to realize Purpose cable being fixed on connecting terminal.

But the junction of cable and direct current connecting terminal is directly exposed to outside in above-mentioned technical proposal, if in reality Accidentally there is metal to fall on two in use process to be connected on the direct current connecting terminal of cable, then it is hidden to easily cause short circuit Suffer from.Therefore, there is also spaces to be modified.

Utility model content

The purpose of the utility model is to provide a kind of direct current connecting terminals of the inverter with protection cap, have cable Line is coated in protection cap with the inverter with protection cap with the junction of direct current connecting terminal, to improve because of conductor such as metal The advantages of stick is accidentally overlapped between two direct current connecting terminals and causes the problem of short circuit.

The above-mentioned technical purpose of the utility model has the technical scheme that

A kind of direct current connecting terminal of the inverter with protection cap, including fixed part and screw portion, the fixed part packet Include the mounting plate for offering fixation hole and the conductive plate being fixedly mounted on the mounting plate, the mounting plate Including first side and second side, the first side of the mounting plate is equipped with mounting base, the surface of the mounting base To the mounting plate sunken inside to be formed with mounting hole, the portion of screwing includes the chimeric spiral shell in the mounting hole of nut Bolt and the nut being threaded on the bolt, the conductive plate are entrenched in the mounting base and fix with the installation Plate matches the fixation hole to be formed and limit the movable space of nut, in the first side of the mounting plate Periphery be equipped with upper surface be higher by the mounting plate first side isolation board；

The inverter with protection cap further includes the guarantor being interlocked with the mounting plate with direct current connecting terminal Protecting cover, the protection cap are equipped with for offseting when the protection cap is fastened on the mounting plate with the isolation board The supporting part connect offers on the supporting part and to be aligned when the supporting part is abutted with the isolation board with the fixation hole Connecting hole offers the horn mouth for cable stretching of powering on any side surface of the protection cap.

Using the above scheme, cable jacket be located on bolt and be pressed on conductive plate by nut with realize cable with Connecting terminal is fixedly connected, and then fastens protection cap and mounting plate, at this point, supporting part and isolation board abut against and Connecting hole and fixation hole are mutually aligned, so that fixing bolt is successively worn through connecting hole and fixation hole to realize protection cap and peace Cable, then extend out to outside protection cap by being fixedly connected for dress fixed plate from horn mouth；In this way, cable with protect In the inverter of protecting cover is coated on the junction of direct current connecting terminal by protection cap, to be effectively improved in use such as The conductors such as metal bar are accidentally overlapped on the problem between two direct current connecting terminals and causing short circuit.

Preferably, the isolation board is to be open towards " L " type isolation board outside the mounting plate, and the isolation The space for only accommodating a fixation hole is collectively formed in the outer of plate and the mounting plate.

Using the above scheme, on the one hand opening facilitates towards " L " type isolation board outside mounting plate and twists fixing bolt Enter in fixation hole, on the other hand also can preferably realize and be contacted with supporting part.

Preferably, the horn mouth includes being fixedly connected with the protection cap and perpendicular to the side surface of the protection cap Interconnecting piece and be fixedly connected on the expansion mouth of the interconnecting piece, the expansion mouth relative to the interconnecting piece be obliquely installed with Form a flaring.

Using the above scheme, expansion mouth opposing connections are obliquely installed to form a flaring, so that cable can rely on The inner wall of expansion mouth extends to all directions, and since the bore of expansion mouth gradually becomes larger, so can improve cable Because needing to bend without pliable problem suddenly.

Preferably, the angle between the expansion mouth and the interconnecting piece is 120 degree to 150 degree.

Using the above scheme, the angle of expansion mouth and interconnecting piece can preferably draw and stretch between 120 degree to 150 degree The trend of cable outside protection cap out.

Preferably, the supporting part set there are two and two supporting parts in diagonal distribution.

Using the above scheme, protection can be realized in two supporting parts being diagonally distributed and the connecting hole being provided on supporting part Fixation between lid and mounting plate has the advantages that reduce fixing bolt usage quantity.

Preferably, the height of the supporting part is less than the height of the protection cap.

Using the above scheme, the height of supporting part is less than the height of protection cap, is successively worn in this way through connecting hole and is consolidated The length for determining the fixing bolt in hole is less than the height of protection cap, and common fixing bolt can meet application, solid without customizing Determine bolt.

It is reinforced preferably, being equipped in the second side of the mounting plate corresponding to the position of the mounting hole Cover.

Using the above scheme, because of the first side of mounting plate to mounting plate sunken inside to form mounting hole, make It obtains position thickness corresponding to mounting plate upper installing hole to reduce, by adding the reinforcing in mounting plate second side Cover is to realize the reinforcing to mounting hole corresponding position, to reduce the probability that mounting hole is penetrated by bolt.

Preferably, the conductive plate includes the fitting portion being entrenched in the mounting base and the fixed company of the fitting portion Connect and the extension vertical with the second side of the mounting plate and be fixedly connected on the fitting portion and with the peace The engaging portion that the second side of fixed plate is interlockingly connected is filled, offers on the mounting plate and is used in combination through the mounting plate In offering through the mounting plate and be used on the first through hole worn for the extension, the mounting plate For the second through hole that the engaging portion is worn, and first through hole and second through hole are parallel to each other.

Using the above scheme, extension wears the second side and and second side by the first through hole to mounting plate Face is vertical, and engaging portion wears the second side by the second through hole to mounting plate and is buckled in second side, extension It is mutually clamped down on engaging portion to realize that conductive plate is fixed on mounting plate.

Preferably, the engaging portion includes the snapping terminal being interlockingly connected with the second side of the mounting plate.

Using the above scheme, engaging portion, which passes through, forms snapping power between snapping terminal and mounting plate, to reinforce conduction Being fixedly connected between plate and mounting plate.

Preferably, in the second side of the mounting plate corresponding to the snapping terminal snapping position to Sunken inside is to be formed with snap groove.

Using the above scheme, the setting of snap groove is so that the surface for snapping onto the snapping terminal in snap groove is no more than installation The second side of fixed plate, and the bending angle of snapping terminal is also reduced, to increase snapping terminal and installation fixation Pressing force between plate, so that conductive plate is preferably fixed on mounting plate.

In conclusion the utility model has the following beneficial effects:

First, by the protection cap being interlocked with mounting plate that is equipped with by the connection of cable and direct current connecting terminal Place is coated in protection cap, to be effectively improved in use process because the conductors such as metal bar are accidentally overlapped on two direct current wiring Cause the problem of short circuit between terminal；

Second, by the mutual cooperation of mounting plate and conductive plate bolt is fixed on mounting plate, and by spiral shell The nut of bolt is limited in mounting hole, to reduce the probability of bolt and internal components formation interference.

Detailed description of the invention

Fig. 1 is the perspective view of the explosion of the present embodiment；

Fig. 2 is the rearview of protection cap；

Fig. 3 is the front view of connecting terminal；

Fig. 4 is the front view of mounting plate；

Fig. 5 is the rearview of mounting plate；

Fig. 6 is the cross-sectional view of A-A in Fig. 3.

In figure: 1, the direct current connecting terminal of the inverter with protection cap；11, mounting plate；111, first side； 112, second side；113, mounting base；114, the first limited block；115, the second limited block；116, the first through hole；117, second Through hole；118, snap groove；119, mounting hole；1110, hexagonal hole；1111, round hole；1112, third limited block；12, it revolves Tight portion；121, bolt；1211, nut；122, nut；13, conductive plate；131, embedded division；132, extension；133, snapping end Son；14, reinforcement hood；15, isolation board；16, fixing bolt；17, protection cap；171, supporting part；172, connecting hole；173, loudspeaker Mouthful；1731, interconnecting piece；1732, expansion mouth.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

A kind of direct current connecting terminal of the inverter with protection cap, referring to Fig.1, including is mutually detained disclosed in the present embodiment The mounting plate 11 and protection cap 17 of conjunction, protection cap 17 is by cable and with the inverter direct current connecting terminal of protection cap 1 junction is coated in protection cap 17, to be effectively improved in use because the conductors such as metal bar are accidentally overlapped on Cause the problem of short circuit between two direct current connecting terminals.

Referring to Fig. 2, it is provided with horn mouth 173 on any side surface of protection cap 17, wherein horn mouth 173 includes and protection cap 17 side surface is fixedly connected and the interconnecting piece 1731 vertical with the side surface of protection cap 17 and is fixedly connected on interconnecting piece 1731 and the expansion mouth 1732 being flared is formed in 130 degree to 150 degree angles with interconnecting piece 1731, cable is from horn mouth 173 stretch out outside protection cap 17, and rely on the inner wall of expansion mouth 1732 that can extend to all directions, and due to expansion mouth 1732 Bore be incrementally increase, therefore can improve cable because suddenly need bend without pliable problem.

Protection cap 17 is additionally provided with the height that height is less than protection cap 17 in wherein a pair of diagonal position combined with Figure 1 and Figure 2, Two supporting parts 171, be provided with connecting hole 172 on two supporting parts 171.

Referring to Fig. 3, mounting plate 11 includes first side 111 and second side 112, referring to Fig. 4, in mounting plate The corner location of 11 first side 111 is provided with hexagonal hole 1110, referring to Fig. 5, in the second side 112 of mounting plate 11 Corner location be provided with round hole 1111, hexagonal hole 1110 and round hole 1111 are interconnected to form fixation hole.Referring to figure 4, opening is equipped in the first side 111 of mounting plate 11 towards " L " the type isolation board 15 outside mounting plate 11, isolation The outer of plate 15 and mounting plate 11 is formed together the space for only accommodating a fixation hole.

When mounting plate 11 and protection cap 17 are interlocked, isolation board 15 is abutted against with supporting part 171 and fixation hole It is mutually aligned with connecting hole 1721, fixing bolt 16 is successively worn through connecting hole 172 and fixation hole to realize peace Being fixedly connected between dress fixed plate 11 and protection cap 17.

Referring to Fig. 4, mounting base 113 is equipped in the first side 111 of mounting plate 11, in the upper end of mounting base 113 It is provided with the first through hole 116 through mounting plate 11, is provided in the lower end of mounting base 113 parallel with the first through hole 116 And equal sized the second through hole 117 through mounting plate 11, referring to Fig. 5, in the second side of mounting plate 11 The length direction edge of the end of the width direction edge of first through hole 116 and close mounting plate 11 is set on 112 There is third limited block 1112.

Referring to Fig. 6, conductive plate 13 is fixedly connected on mounting plate 11, conductive plate 13 includes being entrenched in mounting base Fitting portion 131 in 113, be fixedly connected with fitting portion 131 and wear by the first through hole 116 to mounting plate 11 It two side faces 112 and the extension 132 vertical with the second side of mounting plate 11 112 and is fixedly connected with fitting portion 131 And the engaging portion of the second side 112 by the second through hole 117 to mounting plate 11 is worn, engaging portion includes two and peace The snapping terminal 133 that the second side 112 of dress fixed plate 11 is interlockingly connected, referring to Fig. 5, in the second side of mounting plate 11 It is recessed inwardly at the snapping position of snapping terminal 133 on 112 to be formed there are two snap groove 118, snapping terminal 133 snaps onto Make the surface of snapping terminal 133 be no more than the second side 112 of mounting plate 11 in access slot 118, and also reduces button The bending angle of connecting terminal 133, to increase the pressing force between snapping terminal 133 and snap groove 118, to limit conductive plate 13 It is relatively movable between mounting plate 11.

Referring to Fig. 4, the first limited block being parallel to each other is provided between the first through hole 116 and the second through hole 117 114 and second limited block 115, and the both ends of the first limited block 114 are connected to the first through hole 116 and the second through hole 117 one end edge, the both ends of the second limited block 115 are connected to the another of the first through hole 116 and the second through hole 117 One end edge.First limited block 114 and the second limited block 115 play limitation to the fitting portion 131 being entrenched in mounting base 113 Effect, to reduce the relative motion between fitting portion 131 and mounting base 113.

Referring to Fig. 4, mounting base 113 center surface to 11 sunken inside of mounting plate to be formed with shape as hexagon Mounting hole 119, referring to Fig. 5, corresponding to being equipped at the position of mounting hole 119 in the second side 112 of mounting plate 11 Diameter dimension is greater than the round reinforcement hood 14 of the aperture size of mounting hole 119, and referring to Fig. 6, being fitted into mounting hole 119 has bolt 121 nut 1211, fitting portion 131 are matched with mounting plate 11 to form a movable space of limitation nut 1211, So that bolt 121 is fixed on mounting plate 11；Nut 122 is threaded on bolt 121.Cable jacket is located at bolt On 121, and the inverter direct current wiring on conductive plate 13 to realize cable with have protection cap is pressed on by nut 122 Terminal 1 is fixedly connected.

Claims

1. a kind of direct current connecting terminal of the inverter with protection cap, including fixed part and screw portion (12), the fixed part Including the conductive plate (13) for offering the mounting plate (11) of fixation hole and being fixedly mounted on the mounting plate (11), The mounting plate (11) includes first side (111) and second side (112), the first side of the mounting plate (11) Face (111) is equipped with mounting base (113), it is characterized in that:

The surface of the mounting base (213) is formed with mounting hole (119), the rotation to the mounting plate (11) sunken inside Tight portion (12) includes the bolt (121) and be threaded in the spiral shell that nut (1211) is entrenched in the mounting hole (119) Nut (122) on bolt (121), the conductive plate (13) be entrenched in the mounting base (113) and with the mounting plate (11) first side to be formed and limit the movable space of the nut (1211), in the mounting plate (11) is matched (111) periphery of the fixation hole on be equipped with upper surface be higher by the mounting plate (11) first side (111) every From plate (15)；

The inverter with protection cap further includes being interlocked with the mounting plate (11) with direct current connecting terminal (1) Protection cap (17), the protection cap (17) are equipped with for being fastened on the mounting plate (11) in the protection cap (17) When the supporting part (171) that abuts against with the isolation board (15), offer in the supporting part on the supporting part (171) (171) connecting hole (172) being aligned when being abutted with the isolation board (15) with the fixation hole, in appointing for the protection cap (17) The horn mouth (173) for cable stretching of powering is offered on one side surface；

The isolation board (15) is " L " type isolation board (15) of the opening towards the mounting plate (11) outside, and the isolation The space for only accommodating a fixation hole is collectively formed in the outer of plate (15) and the mounting plate (11)；

Angle between the expansion mouth (1732) and the interconnecting piece (1731) is 120 degree to 150 degree.

2. the direct current connecting terminal of the inverter with protection cap according to claim 1, it is characterized in that: the horn mouth It (173) include being fixedly connected with the protection cap (17) and perpendicular to the interconnecting piece (1731) of the side surface of the protection cap (17) And it is fixedly connected on the expansion mouth (1732) of the interconnecting piece (1731), the expansion mouth (1732) is relative to the interconnecting piece (1731) it is obliquely installed to form a flaring.

3. the inverter direct current connecting terminal according to claim 1 with protection cap, it is characterized in that: the supporting part (171) there are two setting and two supporting parts (171) are in diagonal distribution.

4. the inverter direct current connecting terminal according to claim 3 with protection cap, it is characterized in that: the supporting part (171) height is less than the height of the protection cap (17).

5. the direct current connecting terminal of the inverter with protection cap according to claim 1, it is characterized in that: in the installation Position in the second side (112) of fixed plate (11) corresponding to the mounting hole (119) is equipped with reinforcement hood (14).

6. the direct current connecting terminal of the inverter with protection cap according to claim 1, it is characterized in that: the conductive plate (13) include the fitting portion (131) being entrenched in the mounting base (113), be fixedly connected with the fitting portion (131) and with institute State the vertical extension (132) of second side of mounting plate (11) and be fixedly connected on the fitting portion (131) and with The engaging portion that the second side of the mounting plate (11) is interlockingly connected offers on the mounting plate (11) through described Mounting plate (11) and the first through hole (116) for being used to wear for the extension (132), the mounting plate (11) On offer through the mounting plate (11) and the second through hole (117) for wearing for the engaging portion, and institute It states the first through hole (116) and second through hole (117) is parallel to each other.

7. the direct current connecting terminal of the inverter with protection cap according to claim 6, it is characterized in that: the engaging portion The snapping terminal (133) being interlockingly connected including the second side (112) with the mounting plate (11).

8. the direct current connecting terminal of the inverter with protection cap according to claim 7, it is characterized in that: in the installation Correspond at the snapping position of the snapping terminal (133) in the second side (112) of fixed plate (11) and is recessed inwardly to be formed There are snap groove (118).