CN209747268U

CN209747268U - Coil lead wire connection structure

Info

Publication number: CN209747268U
Application number: CN201920968252.1U
Authority: CN
Inventors: 邱佳俊
Original assignee: Cixi Kangbo Electric Appliance Co Ltd
Current assignee: Cixi Kangbo Electric Appliance Co Ltd
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2019-12-06
Anticipated expiration: 2029-06-26

Abstract

A coil lead connecting structure comprises a coil framework, a wire clamping terminal arranged on one side of the coil framework, a lead inserted in the wire clamping terminal and a protective cover arranged on the lead side of the coil framework. The utility model provides a set up the boss on coil skeleton, and the boss includes the coil pin connection structure in lead wire groove, card line terminal groove and card line post groove, compares with prior art, this coil pin connection structure's simple structure, and convenient assembling and stability are good, can realize automatic coil coiling simultaneously, improve production efficiency.

Description

Coil lead wire connection structure

Technical Field

The utility model relates to a coil winding technical field, in particular to coil pin connection structure.

Background

The coil is widely used for transformers, motor rotors, electromagnetic induction elements and the like, and generally comprises a coil framework, a winding, a connecting terminal and the like. The components are widely used in household appliances such as ovens, electric fans, air conditioners and the like in actual life, wherein a common coil framework comprises a winding post and a retainer ring for blocking an enameled wire, and the enameled wire is wound on the winding post, and leads are led out for being connected with a connecting terminal. The lead of the existing coil is generally led out from the winding and then welded on a welding column of a wiring terminal, and the wiring terminal is buckled with an external lead. However, this connection method usually has major disadvantages, for example, after soldering is completed, a lead needs to be manually installed, the production efficiency is low, and in the process of manual installation, the overall process is complicated, the process quality is difficult to control, and the stability of coil connection cannot be ensured.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the problem to prior art exists provides a more reasonable coil pin connection structure of structure. The utility model provides a set up the boss on coil skeleton, and the boss includes the coil pin connection structure in lead wire groove, card line terminal groove and card line post groove, compares with prior art, this coil pin connection structure's simple structure, and convenient assembling and stability are good, can realize automatic coil coiling simultaneously, improve production efficiency.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

Coil pin connection structure, including coil skeleton, install the card line terminal in coil skeleton one side, peg graft the lead wire in the card line terminal and install the visor in the lead wire side of coil skeleton, coil skeleton is used for the wire winding, and sets up the boss along one side on the coil skeleton, the boss includes that from the bottom up sets gradually lead wire groove, card line terminal groove and card line post groove, lead wire groove and lead wire cooperation, boss bilateral symmetry is provided with first socket, the boss lateral symmetry of following under the coil skeleton is provided with the second socket, the visor includes that the inboard card line post, the first pothook and the symmetry that set up in card line post both sides of lid set up along the second pothook under the protective cover, first pothook and first socket cooperation, second pothook and second socket cooperation.

Preferably, a limiting opening matched with the shape of the lead is arranged at the position, corresponding to the lead slot, of the lower edge of the coil framework.

Preferably, the upper edge of the protective cover is provided with a protruding edge.

Preferably, the second hooks of the protective cover are symmetrically provided with a protrusion therebetween.

Preferably, the shape of the wire clamping terminal groove is matched with the shape of the bent wire clamping terminal.

Compared with the prior art, the utility model discloses coil pin connection structure's beneficial effect:

1. the coil lead wire connection structure is simple in structure, convenient to assemble and good in stability.

2. The lead wire connecting structure can realize automatic coil winding and improve the production efficiency.

Drawings

Fig. 1 is a schematic structural diagram of the coil lead connection structure of the present invention.

Fig. 2 is a schematic structural diagram of the coil framework of the coil lead connection structure of the present invention.

Fig. 3 is a schematic structural view (tiled state) of the coil lead wire connection structure wire clip terminal of the present invention.

Fig. 4 is a schematic structural view (bending state) of the wire clamping terminal of the coil lead connecting structure of the present invention.

Fig. 5 is a schematic structural diagram of a lead of the coil lead connection structure of the present invention.

Fig. 6 is a schematic structural view of the protective cover of the coil lead connecting structure of the present invention.

Fig. 7 is an installation schematic diagram of the coil lead connection structure of the present invention.

Reference numerals: 1. a coil bobbin; 11. a boss; 111. a lead slot; 112. a wire clamping terminal groove; 113. a wire clamping column groove; 114. a first socket; 115. a second socket; 116. a limiting port; 2. a wire clamping terminal; 3. a lead wire; 4. a protective cover; 41. a protruding edge; 42. a first hook; 43. a second hook; 44. a protrusion; 45. and (4) clamping the wire column.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1, the coil lead connecting structure of the present embodiment includes a coil bobbin 1, a wire-clamping terminal 2 installed at one side of the coil bobbin 1, a lead 3 inserted into the wire-clamping terminal 2, and a protective cover 4 installed at the lead side of the coil bobbin 1.

As shown in fig. 2 to 6, the coil bobbin 1 is an i-shaped bobbin, which has an upper edge, a lower edge and a middle cylindrical winding portion, and the coil bobbin 1 is matched with an automatic winding machine to wind an enameled wire on the winding portion, thereby forming the motor coil.

The coil framework 1 is provided with a boss 11 along one side, the boss 11 protrudes outwards, and the boss 11 is sequentially provided with a lead slot 111, a wire clamping terminal slot 112 and a wire clamping column slot 113 from bottom to top. The boss 11 is provided with two lead wire grooves 111 towards outside with the axis as the symmetry axis, and lead wire groove 111 shape and 3 looks adaptations of lead wire, in order to increase the frictional force of lead wire groove 111, the inslot of lead wire groove 111 is provided with anomalous line.

The wire clamping terminal grooves 112 are symmetrically arranged above the lead grooves 111, the wire clamping terminals 2 are in a flat laying state when not installed, after the wire clamping terminal grooves 112 are inserted, the exposed copper columns are used for winding enameled wires, the copper columns are bent through an automatic soldering process, and the shapes of the wire clamping terminal grooves 112 are matched with the shapes of the bent wire clamping terminals 2. The wire clamping column groove 113 is symmetrically arranged above the wire clamping terminal groove 112, and the wire clamping column groove 113 is matched with the wire clamping column 45 arranged on the inner side of the protective cover 4 in shape and used for fixing the position of the lead 3 and preventing the lead 3 from being pulled and falling off.

The protective cover 4 comprises a wire clamping column 45 on the inner side of the cover body, a plurality of ribs for fixing the lead 3 are arranged on the wire clamping column 45, the lead 3 is prevented from being loosened from the side face, first hooks 42 are symmetrically arranged on two sides of the wire clamping column 45, second hooks 43 are symmetrically arranged on the lower edge of the protective cover 4, and a bulge 44 for fixing the lead 3 is arranged between the second hooks 43. The four points are fixed, the protective cover 4 is not easy to loosen, and the stability of the structure is enhanced. In addition, the middle part of the upper edge of the protective cover 4 is provided with a protruding edge 41, and the protruding edge 41 can prevent the exposed wire ends from being punctured.

First insertion holes 114 are symmetrically formed in two sides of the boss 11, and an inclined surface is formed on the inner side of each first insertion hole 114 for clamping and fixing two first hooks 42 transversely arranged on the inner side of the protection cover 4.

The second sockets 115 are symmetrically arranged on the side of the boss on the lower edge of the coil framework 1, the second sockets 115 are in a strip shape and used for fixing two second hooks 43 vertically arranged on the inner side of the protective cover 4, and the lower edge of the coil framework 1 corresponding to the lead groove 111 is provided with a limiting opening 116 matched with the lead 3 in shape and used for limiting the leading-out position of the lead 3.

As shown in fig. 7, when the coil lead connecting structure is assembled, one end of the lead 3 is peeled and clamped in the lead slot 111, and then the wire clamping terminal 2 is automatically welded by the equipment, after the wire clamping terminal 2 is fixed in the wire clamping terminal slot 112, the first clamping hook 42 and the second clamping hook 43 are made to correspond to the socket position, and the protective cover 4 is installed.

The utility model provides a set up the boss on coil skeleton, and the boss includes the coil pin connection structure in lead wire groove, card line terminal groove and card line post groove, compares with prior art, this coil pin connection structure's simple structure, and convenient assembling and stability are good, can realize automatic coil coiling simultaneously, improve production efficiency.

Finally, it should be noted that: the above embodiments are merely illustrative of the technical solutions of the present invention, and not limitative thereof; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a coil lead wire connection structure, includes coil skeleton (1), installs card line terminal (2) in coil skeleton (1) one side, pegs graft lead wire (3) in card line terminal (2) and installs visor (4) in coil skeleton (1) lead wire side, a serial communication port, coil skeleton (1) is used for the wire winding, and coil skeleton (1) goes up along one side and sets up boss (11), boss (11) set gradually lead wire groove (111), card line terminal groove (112) and card line post groove (113) including from the bottom up, lead wire groove (111) and lead wire (3) cooperation, boss (11) both sides are provided with first socket (114) of symmetry, the boss side symmetry on edge is provided with second socket (115) under coil skeleton (1), visor (4) include inboard card line post lid (45) that set up, symmetry set up first pothook (42) and symmetry setting in card line post (45) both sides at visor (4) And the lower edge of the second hook (43), the first hook (42) is matched with the first socket (114), and the second hook (43) is matched with the second socket (115).

2. The coil lead connecting structure according to claim 1, wherein a limiting opening (116) matched with the lead (3) in shape is arranged at the position of the lower edge of the coil frame (1) corresponding to the lead groove (111).

3. The coil lead connection structure according to claim 1, wherein a protruding edge (41) is provided on an upper edge of the protective cover (4).

4. The coil lead connection structure according to claim 1, wherein projections (44) are symmetrically provided between the second hooks (43) of the protective cover (4).

5. The coil lead connection structure according to claim 1, wherein the shape of the wire clamping terminal groove (112) is adapted to the shape of the bent wire clamping terminal (2).