CN211828637U

CN211828637U - Wire clamping module of direct current contactor

Info

Publication number: CN211828637U
Application number: CN202020226606.8U
Authority: CN
Inventors: 不公告发明人
Original assignee: Juen Electrical Shanghai Co ltd
Current assignee: Juen Electrical Shanghai Co ltd
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2020-10-30
Anticipated expiration: 2030-02-28

Abstract

The utility model provides a direct current contactor's card line module, includes the card line board, card line board fixed mounting is on explosion-proof cover, in the dome, be provided with wiring through-hole, installation indicating hole on the card line board respectively, and the wiring through-hole is used for making the coil wire pass, and the installation indicating hole is used for installing feedback circuit wire, feedback circuit prints on the PCB board, be fixed with the draw-in groove board on the card line board, be provided with positioning channel on the draw-in groove board, positioning channel has a plurality at least, wherein two be used for with coil wire chucking assembly. The utility model discloses a card line module realizes the external shell that goes out of feedback circuit to reduce the dismouting degree of difficulty, increase later maintenance efficiency.

Description

Wire clamping module of direct current contactor

Technical Field

The utility model relates to a contactor especially relates to a direct current contactor's card line module.

Background

The DC contactor is a high-power switch electric appliance which remotely operates a circuit (closing, opening or switching) through low current and low voltage, and mainly comprises two parts: electrical contact systems (moving and stationary contacts) and electromagnetic systems, while structurally double-break bridge contacts and solenoid-in magnetic systems are mostly used.

The feedback circuit of the current direct current contactor for feeding back the conducting state of the movable contact and the fixed contact is directly led out through a switch, the switch is arranged in a shell, and once the switch is damaged, the switch needs to be repaired after being detached, so that time and labor are consumed.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defect of prior art, the utility model aims to solve the technical problem that a direct current contactor's card line module is provided, it draws forth the pin pole through the card line board to can draw the shell installation with feedback circuit's switch, with the complexity when reducing the later stage and overhauing, thereby increase dismouting efficiency.

In order to achieve the purpose, the utility model provides a wire clamping module of a direct current contactor, which comprises a wire clamping plate, wherein the wire clamping plate is fixedly arranged on an explosion-proof cover and in a top cover, the wire clamping plate is respectively provided with a wiring through hole and an installation indicating hole, the wiring through hole is used for leading a coil wire to pass through, the installation indicating hole is used for installing a feedback circuit wire, and the feedback circuit is printed on a PCB (printed circuit board);

the wire clamping plate is fixedly provided with a clamping groove plate, the clamping groove plate is provided with at least one positioning clamping groove, and two positioning clamping grooves are used for clamping and assembling with a coil wire; the other three lead posts are respectively clamped and assembled with the COM, NC and NO ends of the feedback circuit;

the assembly of the lead post and the positioning clamping groove is provided with an annular groove, the annular groove and the edge of the positioning clamping groove are tightly clamped and assembled, and the lead post is tightly attached to the conductive block to conduct electricity.

The upper side and the lower side of the wire clamping plate are provided with insulating blocks, the insulating blocks are respectively provided with a conductive notch groove and a conductive guide groove, the bottom of the conductive notch groove is fixed with an elastic switch, the conductive blocks are conductively connected with electric connection ends, the electric connection ends penetrate through the conductive guide grooves and then are conductively connected with one ends of at least three wires, and the other ends of the three wires are respectively conductively connected with COM (component interconnect) ends, NC (numerical control) ends and NO (NO) ends of a feedback circuit; the bottom of the lead post is tightly attached to the conductive block for conducting electricity.

The top of the lead post penetrates through the top cover and a shrinkage cylinder fixed on the top cover and then is electrically connected with external equipment, the shrinkage cylinder comprises a fixing ring and elastic clamping flaps fixed on the top cover, at least two elastic clamping flaps are provided, a yielding gap is formed between the two elastic clamping flaps, and the distance between one end of each elastic clamping flap and the fixing ring is gradually increased from the end connected with the fixing ring to the other end of each elastic clamping flap in an initial state; the elastic clamping flap is externally sleeved with a threaded sleeve, and the threaded sleeve extrudes the elastic clamping flap so that the elastic clamping flap tightly clamps the lead post.

The outer wall of the elastic clamping flap is provided with an external thread, the elastic clamping flap is arranged in the screw sleeve, and the external thread is screwed with the internal thread on the inner side of the screw sleeve.

The bottom of the screw sleeve is provided with a horn mouth which is used for facilitating the screw sleeve to be sleeved outside the elastic clamping flap.

The beneficial effects of the utility model are that, fix the lead post through card line board, a shrink section of thick bamboo to the realization is with the external shell that goes out of feedback circuit, in order to reduce the dismouting degree of difficulty, increases later maintenance efficiency.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of the structure of the wire clamping plate of the present invention.

Fig. 3 is a schematic view of the local structure of the positioning slot and the lead post of the present invention.

Fig. 4 is a schematic view of the elastic clip of the present invention.

Fig. 5 is a schematic cross-sectional view of the shrink cylinder of the present invention.

In the figure: 1. a wire clamping plate; 2. an explosion-proof cover; 3. a wiring through hole; 4. installing an indicating hole; 5. a PCB board; 6. a slot clamping plate; 7. positioning the clamping groove; 8. a lead post; 801. a ring groove; 802. a conductive block; 803. a conductive notch; 804. a conductive guide groove; 805. an elastic switch; 806. connecting the electric terminal; 807. an insulating block; 9. a top cover; 901. a fixing ring; 902. an elastic clip flap; 903. a threaded sleeve; 904. a bell mouth; 905. a abdication gap; 10. and (5) shrinking the cylinder.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1 to 5, a wire clamping module of a direct current contactor comprises a wire clamping plate 1, wherein the wire clamping plate 1 is fixedly installed on an explosion-proof cover 2 and in a top cover 9, a wiring through hole 3 and an installation indicating hole 4 are respectively formed in the wire clamping plate 1, the wiring through hole 3 is used for a coil wire to pass through, the installation indicating hole 4 is used for installing a feedback circuit wire, and a feedback circuit is printed on a PCB 5;

a clamping groove plate 6 is fixed on the wire clamping plate 1, positioning clamping grooves 7 are formed in the clamping groove plate 6, at least 5 positioning clamping grooves 7 are formed in each positioning clamping groove 7, and two positioning clamping grooves are used for being clamped and assembled with a coil conducting wire; the other three lead posts are respectively clamped and assembled with the COM, NC and NO ends of the feedback circuit; an annular groove 801 is formed in the assembly position of the lead post 8 and the positioning clamping groove 7, the annular groove 801 and the edge of the positioning clamping groove 7 are tightly clamped and assembled, and the lead post 8 is tightly attached to the conductive block 802 for conducting electricity. The feedback circuit in this embodiment is a circuit used by the existing contactor for feeding back the conducting state at the moving contact, and is the prior art, wherein the COM end is grounded, and the NC and the NO are respectively electrically connected with the moving contact and the power outlet post.

An annular groove 801 is formed in the assembly position of the lead post 8 and the positioning clamping groove 7, and the annular groove 801 and the edge of the positioning clamping groove 7 are tightly assembled so as to relatively fix the lead post 8; an insulating block 807 is arranged above and below the wire clamping plate 1, the insulating block 807 is respectively provided with a conductive notch 803 and a conductive guide groove 804, the bottom of the conductive notch is fixed with an elastic switch 805, a conductive block 802 is conductively connected with an electric connection end 806, the electric connection end 806 penetrates through the conductive guide groove 804 and is conductively connected with one end of a lead, at least three leads are arranged, and the other ends of the three leads are respectively conductively connected with COM (COM), NC (numerical control) and NO (NO) ends of a feedback circuit; the bottom of the lead post 8 is tightly attached to the conductive block 802 for conduction.

The top of the lead post 8 penetrates through the top cover 9 and a shrinkage cylinder 10 fixed on the top cover 9 and then is electrically connected with external equipment, the shrinkage cylinder 10 comprises a fixing ring 901 fixed on the top cover 9 and elastic clamping flaps 902, at least two elastic clamping flaps 902 are provided, a yielding gap 905 is formed between the two elastic clamping flaps 902, and the distance between one end connected with the fixing ring 901 and the other end of the elastic clamping flaps 902 and the fixing ring 901 is gradually increased in an initial state; the elastic clip flap 902 has elastic elasticity, the clip flap 902 is sleeved with a threaded sleeve 903, and the threaded sleeve 903 presses the elastic clip flap 902, so that the elastic clip flap 902 tightly clamps the lead post 8.

The outer wall of the elastic clamping flap 902 is provided with an external thread, the elastic clamping flap 902 is arranged in the threaded sleeve 903, and the external thread is screwed with the internal thread on the inner side of the threaded sleeve 903. The bottom of the screw sleeve 903 is provided with a bell mouth 904, and the bell mouth 904 is used for facilitating the screw sleeve 903 to be sleeved outside the elastic clamping flap 902.

This kind of design makes lead wire post convenient to detach, and will originally install the installation of all leading out of switch in the shell to reduce the dismouting degree of difficulty and the later stage overall arrangement of being convenient for, lead wire post draws forth alone in addition, can pass through plug, slot with external equipment and peg graft, thereby be convenient for assemble and standardize.

The details of the present invention are well known to those skilled in the art.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. The utility model provides a card line module of direct current contactor which characterized by: the anti-explosion wire clamping plate comprises a wire clamping plate (1), wherein the wire clamping plate (1) is fixedly arranged on an anti-explosion cover (2) and in a top cover (9), a wiring through hole (3) and an installation indicating hole (4) are respectively formed in the wire clamping plate (1), a coil wire penetrates through the wiring through hole (3), a feedback circuit wire is installed in the installation indicating hole (4), and the feedback circuit is printed on a PCB (5);

a clamping groove plate (6) is fixed on the wire clamping plate (1), at least 5 positioning clamping grooves (7) are formed in the clamping groove plate (6), and two positioning clamping grooves are used for clamping and assembling with a coil lead; the other three lead posts (8) are respectively clamped and assembled with COM, NC and NO ends of the feedback circuit; lead post (8) and positioning groove (7) assembly department is provided with annular (801), and annular (801) and positioning groove (7) edge chucking assembly, lead post (8) and conducting block (802) paste tightly electrically conductive.

2. The wire clamping module of the direct current contactor as claimed in claim 1, wherein: insulation blocks (807) are arranged above and below the wire clamping plate (1), a conductive notch groove (803) and a conductive guide groove (804) are respectively arranged on the insulation blocks (807), the bottom of the conductive notch groove is fixed with an elastic switch (805), the conductive block (802) is in conductive connection with an electric connection end (806), the electric connection end (806) penetrates through the conductive guide groove (804) and then is in conductive connection with one end of a lead, at least three leads are arranged, and the other ends of the three leads are respectively in conductive connection with COM (COM), NC (NC) and NO (NO) ends of a feedback circuit; the bottom of the lead post (8) is tightly attached to the conductive block (802) for conducting electricity.

3. The wire clamping module of the direct current contactor as claimed in claim 1 or 2, wherein: the top of the lead post (8) penetrates through the top cover (9) and a shrinkage cylinder (10) fixed on the top cover (9) and then is electrically connected with external equipment, the shrinkage cylinder (10) comprises a fixing ring (901) fixed on the top cover (9) and elastic clamping flaps (902), at least two elastic clamping flaps (902) are provided, a yielding gap (905) is formed between the two elastic clamping flaps (902), and the distance between one end connected with the fixing ring (901) and the other end and the fixing ring (901) is gradually increased when the elastic clamping flaps (902) are in an initial state; the elastic clamping flap (902) is sleeved with a threaded sleeve (903) in a sleeved mode, and the threaded sleeve (903) presses the elastic clamping flap (902) to enable the elastic clamping flap (902) to clamp the lead post (8).

4. The wire clamping module of the direct current contactor as claimed in claim 3, wherein: the elastic clamping flap (902) is provided with an external thread on the outer wall, the elastic clamping flap (902) is arranged in the threaded sleeve (903), and the external thread is assembled with the internal thread on the inner side of the threaded sleeve (903) in a screwing mode.

5. The wire clamping module of the direct current contactor as claimed in claim 3, wherein: the bottom of the threaded sleeve (903) is provided with a horn mouth (904), and the horn mouth (904) is used for facilitating the threaded sleeve (903) to be sleeved outside the elastic clamping flap (902).