CN217010562U - Motor terminal structure of miniature brush direct current sweeper - Google Patents

Abstract

The utility model discloses a motor terminal structure of a miniature brushed direct-current sweeper, which relates to the field of motors and comprises a rear cover, wherein a plurality of groups of terminals are arranged on the rear cover, a winding post is arranged on one side of each terminal in a motor, a tin liquid pool is arranged on one side of each terminal outside the motor, a wire inserting box is connected behind the tin liquid pool, a post cap is connected to the top end of each winding post, a wire groove is formed in the post cap, the wire inserting box is of a hollow structure, and a plurality of groups of ratchets are arranged in the wire inserting box. The utility model is provided with a cylindrical wire fixing structure with ratchets in the cylinder to prevent loosening and falling of the connection wire, and is provided with the tin liquor pool to prevent the condition of insufficient soldering between the terminal and the copper core, thereby greatly improving the efficiency and stability of the connection wire.

Description

Motor terminal structure of miniature brush direct current sweeper

Technical Field

The utility model relates to the field of motors, in particular to a motor terminal structure of a miniature brushed direct-current sweeper.

Background

With the continuous progress of science and technology, micro motors are increasingly applied to various fields, and the manufacturing requirements of micro direct current motors are correspondingly higher and higher, and generally, a lead is fused on a terminal during manufacturing.

The motor terminal structure of the existing miniature brush direct current sweeper is easy to generate a desoldering phenomenon when an enameled wire is welded outside a motor, the enameled wire after welding is pulled to be easily separated from a terminal, the copper core of the enameled wire is poor in contact with a wiring copper sheet of the terminal, the performance of the motor is reduced, a winding coil in the motor is not provided with a good firm wiring point, the traditional terminal structure is low in wiring efficiency when in wiring, the wiring part is poor in contact easily, and the terminal structure is easy to fall off when being pulled by external force.

SUMMERY OF THE UTILITY MODEL

Based on this, the present invention provides a motor terminal structure of a micro brushed dc sweeper, so as to solve the technical problems of low wiring efficiency, easy poor contact at the wiring position and easy falling off when the motor terminal structure of the existing micro brushed dc sweeper is pulled by external force.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a miniature brush direct current quick-witted motor terminal structure of sweeping floor, includes the back lid, the back is covered and is provided with the multiunit terminal, one side of terminal in the motor is provided with the winding post, and is provided with the tin liquid pond in one side outside the motor, be connected with the plug wire box behind the tin liquid pond, the top of winding post is connected with the cap, be provided with the wire casing on the cap, the plug wire box is hollow structure, and inside is provided with the multiunit ratchet.

Through adopting above-mentioned technical scheme, set up the tube-shape and set up the solidus structure of ratchet in a section of thick bamboo, can be firm when making outside enameled wire wiring hook the insulated paint department of enameled wire, prevent becoming flexible and droing of wiring, set up the tin liquid pond, make the tin liquid of high temperature in the tin liquid pond with the contact that the copper core can be abundant, prevent that the terminal and the condition of rosin joint from appearing in the copper core, the efficiency and the stability of wiring have been improved greatly, the part that is located the motor inside at the terminal sets up the winding post of toper area cap, set up the wire casing on winding post top, make copper line in the motor can stretch out from the wire casing after the winding post is gone up, the toper winding post can make the winding take-up to the top at the copper line in the top, make the wiring end in the motor difficult not hard up, and wiring efficiency is higher.

The utility model is further provided that the edge of the rear cover is provided with a plurality of groups of mounting holes.

Through adopting above-mentioned technical scheme, can install the rear portion at the motor with the back lid through the mounting hole.

The utility model is further provided that the top of one side of the wire inserting box facing the tin liquor pool is provided with a wire guide plate.

Through adopting above-mentioned technical scheme, the wire guide can make the copper core towards the bottom in tin liquid pond, is favorable to tin liquid and copper core abundant contact of soldering process, promotes the electrically conductive efficiency of copper core.

The utility model is further arranged in that the copper core wrapped with the insulating layer can be inserted into the wire inserting box, the wire winding column is in an inverted cone shape, a copper wire can be wound above the wire winding column, and the copper wire can be clamped in the wire slot.

Through adopting above-mentioned technical scheme, the kinking post of back taper is favorable to the winding of copper line, and the copper line passes through the inside circuit of wire casing connection motor.

In summary, the utility model mainly has the following beneficial effects:

1. according to the utility model, the cylindrical wire fixing structure with the ratchets arranged in the cylinder is arranged, so that the insulating varnish of the enameled wire can be firmly hooked when the external enameled wire is connected, the loosening and falling of the connection wire are prevented, the tin liquid pool is arranged, the high-temperature tin liquid can be fully contacted with the copper core in the tin liquid pool, the condition of insufficient soldering of the terminal and the copper core is prevented, and the efficiency and the stability of the connection wire are greatly improved;

2. according to the utility model, the conical winding post with the cap is arranged at the part of the terminal, which is positioned in the motor, and the wire groove is arranged at the top end of the winding post, so that a copper wire in the motor can be wound on the winding post and then extends out of the wire groove, the conical winding post can enable the copper wire wound above to be tensioned to the top end, the wiring end in the motor is not easy to loosen, and the wiring efficiency is higher.

Drawings

FIG. 1 is a front elevational view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a front view of the rear interior view of the present invention;

FIG. 4 is an enlarged view of A of FIG. 3 according to the present invention;

fig. 5 is an enlarged view of B of fig. 3 according to the present invention.

In the figure: 1. a rear cover; 2. a terminal; 3. a wire plugging box; 4. a tin liquor pool; 5. a wire guide plate; 6. a ratchet; 7. winding the wire column; 8. a cap; 9. a wire slot; 10. a copper core; 11. an insulating layer; 12. a copper wire; 13. and (7) installing holes.

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. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

The utility model provides a miniature brush direct current sweeper motor terminal structure, as shown in fig. 1-5, including back lid 1, be provided with multiunit terminal 2 on the back lid 1, one side of terminal 2 in the motor is provided with kinking post 7, kinking post 7 is the back taper, be favorable to the winding of copper line 12, and one side outside the motor is provided with tin liquor pond 4, can hold the tin liquor that melts when the soldering in the tin liquor pond 4, be connected with plug wire box 3 behind the tin liquor pond 4, kinking post 7's top is connected with cap 8, be provided with wire casing 9 on the cap 8, plug wire box 3 is hollow structure, and inside is provided with multiunit ratchet 6, inserted insulating layer 11 can be hooked to the ratchet 6, prevent copper core 10 from the interior roll-off of plug wire box 3.

Referring to fig. 1, the edge of the rear cover 1 is provided with a plurality of sets of mounting holes 13, and the rear cover 1 can be mounted at the rear of the motor through the mounting holes 13.

Referring to fig. 4, a copper core 10 wrapped with an insulating layer 11 can be inserted into the wire inserting box 3, the winding post 7 is in an inverted cone shape, and a copper wire 12 can be wound above the winding post, the copper wire 12 can be clamped in the wire slot 9, the inverted cone-shaped winding post 7 is beneficial to winding the copper wire 12, and the copper wire 12 is connected with a circuit inside the motor through the wire slot 9.

Referring to fig. 5, the top of the side of the wire inserting box 3 facing the molten tin bath 4 is provided with a wire guiding plate 5, and the wire guiding plate 5 can enable the copper core 10 to face the bottom of the molten tin bath 4, which is beneficial to fully contacting the molten tin with the copper core 10 in the soldering process and improving the conductive efficiency of the copper core 10.

The working principle of the utility model is as follows: copper wire 12 in the motor twines on twine post 7, draw to the motor in from wire casing 9 on the cap nut 8 again, copper wire 12 that twines on twine post 7 gathers together to cap nut 8, fix on twine post 7 through friction each other, install the rear cover 1 that is connected with terminal 2 in the motor rear end through mounting hole 13, copper core 10 that will wrap up insulating layer 11 inserts plug-in box 3, insulating layer 11 contacts to be scratched by ratchet 6, copper core 10 and insulating layer 11 receive ratchet 6 spacing when moving backward, copper core 10 contacts to wire guide 5, wire guide 5 makes copper core 10 contact the bottom of tin liquid pond 4 downwards, to copper core 10 soldering tin this moment, molten tin liquid fully contacts with copper core 10 and terminal 2 in tin liquid pond 4, prevent to produce bad contact's situation.

Although embodiments of the present invention have been shown and described, the present embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and those skilled in the art can make modifications, substitutions, variations, etc. of the embodiments as required without departing from the principle and spirit of the present invention, but within the scope of the claims of the present invention.

Claims (4)

1. The utility model provides a miniature brush direct current quick-witted motor terminal structure of sweeping floor, includes back lid (1), its characterized in that: be provided with multiunit terminal (2) on back lid (1), one side of terminal (2) in the motor is provided with twine post (7), and is provided with tin liquid pond (4) in one side outside the motor, be connected with plug wire box (3) behind tin liquid pond (4), the top of twine post (7) is connected with cap (8), be provided with wire casing (9) on cap (8), plug wire box (3) are hollow structure, and inside is provided with multiunit ratchet (6).

2. The motor terminal structure of the micro brushed direct current sweeper according to claim 1, characterized in that: the edge of the rear cover (1) is provided with a plurality of groups of mounting holes (13).

3. The motor terminal structure of the micro brushed direct current sweeper according to claim 1, characterized in that: and the top of one side of the wire inserting box (3) facing the tin liquor pool (4) is provided with a wire guide plate (5).

4. The motor terminal structure of the micro brushed direct current sweeper according to claim 1, characterized in that: can insert copper core (10) that the package has insulating layer (11) in plug-in box (3), twine line post (7) and be the back taper, and can twine copper line (12) in the top, copper line (12) can block in wire casing (9).

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