CN210806892U

CN210806892U - Motor terminal structure of miniature brush direct current sweeper

Info

Publication number: CN210806892U
Application number: CN201921908893.4U
Authority: CN
Inventors: 许雄; 倪吉平
Original assignee: Dongguan Jilaisheng Motor Co ltd
Current assignee: Dongguan Jilaisheng Motor Co ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-06-19
Anticipated expiration: 2029-11-06

Abstract

The utility model belongs to the technical field of the quick-witted motor technique of sweeping the floor and specifically relates to indicate a miniature brushed direct current quick-witted motor terminal structure of sweeping the floor, it includes the end cover, the carbon brush, terminal structure includes the plug end, wire winding section and pin end, wire winding section integrated into one piece has initial wire winding lug, line separating lug and wire winding block lug, the wire winding section still is equipped with first wire winding recess and second wire winding recess, line separating lug is located between first wire winding recess and the second wire winding recess, initial wire winding lug sets up in the upper end of wire winding section, wire winding block lug sets up in the lower extreme of wire winding section, line separating lug has the first arc section as the cell wall of first wire winding recess, line separating lug has the second arc section as the cell wall of second wire winding recess. The utility model discloses avoided too big and lead to the fact terminal structure to sink of soldering bit high temperature pressure, further avoided noise, card to die and the function harmfulness scheduling problem, can also realize the wire-wound autosegregation of terminal structure.

Description

Motor terminal structure of miniature brush direct current sweeper

Technical Field

The utility model belongs to the technical field of the quick-witted motor technique of sweeping the floor and specifically relates to indicate a miniature brush direct current quick-witted motor terminal structure of sweeping the floor.

Background

At present, with the continuous progress of science and technology, micro motors are increasingly applied to various different fields, and meanwhile, the manufacturing requirements of micro direct current motors are correspondingly higher and higher so as to correspond to various higher requirements continuously proposed by various industries, such as the household appliance industry, the automobile industry, the toy industry and the like. The carbon brush is a device for transmitting energy or signals between a fixed part and a rotating part of a motor, is generally made of pure carbon and a coagulant, is generally square in shape and is clamped on a metal support. The carbon brush generally includes a carbon brush body, a lead is led out from the carbon brush body and connected with a copper sheet, and the lead is usually melted and fixed in the carbon brush body during preparation.

The side brush motor of the existing direct current sweeper in the current market is mostly a straight terminal, when a client uses a terminal to weld a lead soldering iron, the temperature of the lead soldering iron is too high and the pressure of the lead soldering iron is too high, the motor terminal can slightly sink, a commutator clamping ring can be scraped by a carbon brush after the terminal slightly sinks, the seriously-sunk carbon brush cannot contact with a commutator, the motor is opened, the motor fails, the client is poor in functionality after being installed with a product, and troubles are caused to the client. In addition, the spiral of motor need connect the enameled wire, and the wire winding is hugged closely each other and is unfavorable for the dip soldering when winding to the terminal structure, appears welding failure, rosin joint scheduling problem easily, and traditional terminal structure can not realize wire-wound autosegregation, needs manual operation, and the cost of labor is high, and the wire winding separation effect is poor, can not solve welding failure, rosin joint scheduling problem.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a miniature brush direct current quick-witted motor terminal structure of sweeping floor avoids the too big terminal structure that causes of soldering bit high temperature pressure to sink, further avoids noise, card to die and the function scheduling problem, can also realize the wire-wound autosegregation of terminal structure.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a motor terminal structure of a miniature brushed direct-current sweeper comprises an end cover, a carbon brush arranged on the end cover and a terminal structure inserted in the carbon brush, wherein the terminal structure comprises a plug end inserted in the carbon brush, a winding section arranged in a crossed mode with the plug end and a pin end arranged in a crossed mode with the winding section, an initial winding lug, a wire spacing lug and a winding stopping lug are integrally formed on the winding section, the winding section is further provided with a first winding groove and a second winding groove, the wire spacing lug is located between the first winding groove and the second winding groove, the initial winding lug is arranged at the upper end of the winding section, the winding stopping lug is arranged at the lower end of the winding section, the wire spacing lug is provided with a first arc section serving as the groove wall of the first winding groove, and the wire spacing lug is provided with a second arc section serving as the groove wall of the second winding groove.

Further, the intersection angle of the winding segment and the pin end is 90 °.

Furthermore, the plug end is connected with the winding section in a riveting and pressing mode.

Further, the carbon brush is equipped with a plurality of grafting breachs, carbon brush integrated into one piece has a plurality of stopper, and is a plurality of the stopper extends to the inside both sides of grafting breach respectively, the plug end is inserted and is located the grafting breach, a plurality of stoppers and plug end butt, the one end of stopper is equipped with the skew wall.

Furthermore, the pin end is provided with a through hole, and chamfers are arranged on two sides of the pin end.

Further, the motor terminal structure further comprises a carbon body mounted on the carbon brush.

The utility model has the advantages that:

1. one end of the winding segment and one end of the pin end are arranged in a crossed manner, the end face of the carbon brush and the pin end are arranged in parallel relatively, when the pin end is subjected to tin soldering, the soldering bit does not need to be excessively close to the plug end, the operation is more flexible, the phenomenon that the plug end sinks due to overhigh temperature and overhigh pressure of the soldering bit is avoided, and the problems of noise, jamming, poor function and the like are further avoided;

2. during the wiring to the spiral of motor, the wire winding is earlier to initial wire winding lug wire winding to fixed wire winding one end, the wire winding in-process, the enameled wire is automatic by first segmental arc slide to first wire winding recess in, the enameled wire is automatic from second segmental arc slide to second wire winding recess in, thereby realize separating the automation of winding enameled wire, reduce the cost of labor, the wire winding separation is effectual, effectively solves welding failure, rosin joint scheduling problem.

Drawings

Fig. 1 is a schematic view of the exploded structure of the present invention.

Fig. 2 is a schematic structural diagram of the terminal structure of the present invention.

Fig. 3 is a schematic structural diagram of the end cap and the pin end of the present invention.

Description of reference numerals:

1-carbon brush; 11-a splicing gap; 12-a limiting block; 13-an inclined wall; 2-end cap; 3-terminal structure; 31-plug end; 32-winding section; 321-initial winding bump; 322-winding stopping the bump; 323-first winding groove; 324-a second winding groove; 325-space line bump; 326 — first arc segment; 327-a second arc segment; 33-pin end; 331-a through hole; 332-chamfering; 4-carbon sperm.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

As shown in fig. 1 to 3, the present invention provides a motor terminal structure of a micro brushed dc sweeper, which includes an end cap 2, a carbon brush 1 mounted on the end cap 2, and a terminal structure 3 inserted in the carbon brush 1, wherein the terminal structure 3 includes a plugging end 31 inserted in the carbon brush 1, a winding section 32 crossing the plugging end 31, and a lead end 33 crossing the winding section 32, the winding section 32 is integrally formed with an initial winding protrusion 321, a spacer protrusion 325, and a winding stop protrusion 322, the winding section 32 is further provided with a first winding groove 323 and a second winding groove 324, the spacer protrusion 325 is located between the first winding groove 323 and the second winding groove 324, the initial winding protrusion 321 is disposed at an upper end of the winding section 32, the winding stop protrusion 322 is disposed at a lower end of the winding section 32, the spacer protrusion 325 has a first arc section 326 as a groove wall of the first winding groove 323, the wire-separating protrusion 325 has a second arc 327 as a groove wall of the second winding groove 324.

In practical application, in order to solve the problem that the terminal structure 3 sinks when a motor client of the sweeper welds, one end of the winding section 32 and one end of the pin end 33 are arranged in a crossed manner, the end face of the carbon brush 1 and the pin end 33 are arranged in parallel, when the pin end 33 is soldered, the soldering bit does not need to be excessively close to the plug end 31, operation is flexible, the problem that the plug end 31 sinks due to overhigh temperature and overhigh pressure of the soldering bit is avoided, and the problems of noise, jamming, poor function and the like are further avoided; when the spiral to the motor connects the enameled wire, the wire winding is earlier to initial wire winding lug 321 wire winding to fixed wire winding one end, the wire winding in-process, the enameled wire is automatic by first arc section 326 slide to first wire winding recess 323 in, the enameled wire is automatic from second arc section 327 slide to second wire winding recess 324 in, thereby realize separating the automation of winding enameled wire, reduce the cost of labor, the wire winding separation is effectual, effectively solves welding failure, rosin joint scheduling problem.

In this embodiment, the crossing angle between the winding segment 32 and the lead end 33 is 90 °, and the end surface of the carbon brush 1 and the lead end 33 are arranged in parallel, so that when the lead end 33 is soldered, the soldering iron does not need to be too close to the plug end 31, the situation that the plug end 31 sinks due to too high temperature and too high pressure of the soldering iron is avoided, and the problems of noise, jamming, poor function and the like are further avoided.

In this embodiment, the plugging end 31 is connected to the winding section 32 by riveting.

In this embodiment, the carbon brush 1 is provided with a plurality of insertion notches 11, the carbon brush 1 is integrally formed with a plurality of limiting blocks 12, the limiting blocks 12 extend to two sides inside the insertion notches 11 respectively, the insertion/extraction end 31 is inserted into the insertion notches 11, the limiting blocks 12 abut against the insertion/extraction end 31, and one end of the limiting block 12 is provided with an inclined wall 13. The inclined wall 13 is used for expanding the opening end of the insertion gap 11 so that the plugging end 31 can be inserted into the insertion gap 11, and the assembly operation is simple; the plugging end 31 is limited and fixed in the plugging gap 11 by the limiting blocks 12, so that the plugging end 31 is stably connected with the carbon brush 1, and the stability is improved.

In this embodiment, the pin end 33 is provided with a through hole 331, and both sides of the pin end 33 are provided with chamfers 332. The through hole 331 can not only play a role of normal power-on, but also enable the terminal structure to be easily pulled out, thereby avoiding the danger of electric leakage and electric shock and improving the power utilization safety.

In this embodiment, the motor terminal structure further includes a carbon element 4 mounted on the carbon brush 1.

All the technical features in the embodiment can be freely combined according to actual needs.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

Claims

1. The utility model provides a miniature brush direct current quick-witted motor terminal structure of sweeping floor, includes the end cover and installs in the carbon brush of end cover, its characterized in that: the terminal structure comprises a plug end inserted in the carbon brush, a winding section arranged with the plug end in a crossed mode and a pin end arranged with the winding section in a crossed mode, wherein the winding section is integrally formed with an initial winding lug, a spacing lug and a winding stopping lug, the winding section is further provided with a first winding groove and a second winding groove, the spacing lug is located between the first winding groove and the second winding groove, the initial winding lug is arranged at the upper end of the winding section, the winding stopping lug is arranged at the lower end of the winding section, the spacing lug is provided with a first arc section serving as the groove wall of the first winding groove, and the spacing lug is provided with a second arc section serving as the groove wall of the second winding groove.

2. The motor terminal structure of the micro brushed direct current sweeper according to claim 1, characterized in that: the crossing angle of the winding segment and the pin end is 90 degrees.

3. The motor terminal structure of the micro brushed direct current sweeper according to claim 1, characterized in that: the plug end is connected with the winding section in a riveting and pressing mode.

4. The motor terminal structure of the micro brushed direct current sweeper according to claim 1, characterized in that: the carbon brush is equipped with a plurality of grafting breachs, carbon brush integrated into one piece has a plurality of stoppers, and is a plurality of the stopper extends to the inside both sides of grafting breach respectively, the plug end is inserted and is located the grafting breach, a plurality of stoppers and plug end butt, the one end of stopper is equipped with the skew wall.

5. The motor terminal structure of the micro brushed direct current sweeper according to claim 1, characterized in that: the pin end is provided with a through hole, and chamfers are arranged on two sides of the pin end.

6. The motor terminal structure of the micro brushed direct current sweeper according to claim 1, characterized in that: the motor terminal structure further comprises a carbon body mounted on the carbon brush.