CN207559718U - A kind of connection structure of motor stator secondary connection - Google Patents

Abstract

A kind of connection structure of motor stator secondary connection, is related to a kind of termination.General motor cable length nargin is big, and waste is serious.The utility model includes male terminal, female terminal, and the inscribed cable splice on the wound stator of male terminal and motor is fixed；Female terminal engages fixation with accessing the external cable of connection box for motor；Pass through plug connection and fixation between male terminal and female terminal；Periphery between male terminal and two outer ends of female terminal, which applies envelope, insulating cement, and male terminal, female terminal and the adjacent part of the inscribed cable of both sides and external cable form joint portion, heat-shrink tube are cased with outside joint portion.The technical program does not need to increase the nargin of cable length in advance, in final assembling, the cable that corresponding length is taken according to actual path length carries out secondary connection, reduce the usage amount of cable, it puts and ends to waste, and avoids the problem that insulated paint enters cable and cable is caused to be hardened during the wound stator dipping lacquer in primary connection, operability is poor.

Description

A kind of connection structure of motor stator secondary connection

Technical field

The utility model is related to a kind of termination more particularly to a kind of connection structures of motor stator secondary connection.

Background technology

The electric energy of external power supply is introduced the wound stator of motor by cable by threephase asynchronous, and wound stator passes through Cable is attached with the binding post in terminal box with wire connection terminal, and cable not takes the air line from wound stator to terminal box, and The end of rounded cap shape is to bypass, goes out engine base side plate again across the threading hole of electric machine stand siding and enters terminal box, tortuous path is difficult Accurately to calculate cable length, wound stator press fitting angular deviation in addition causes actual needs length that can also generate deviation, thus More cable length nargin can be reserved during design, in wound stator wiring, patching operations person worries that cable length is inadequate, after Road assembly process is looked for trouble, and then increases the nargin of the length of cable again, and to during final assembling, practical discrepancy reaches 30% left side The right side causes expensive cable to generate huge waste.

Invention content

The technical problems to be solved in the utility model and propose technical assignment be to prior art carry out improve with It improves, a kind of connection structure of motor stator secondary connection is provided, cable usage amount is reduced as mesh to be realized by secondary connection 's.For this purpose, the utility model takes following technical scheme.

A kind of connection structure of motor stator secondary connection, including male terminal, female terminal, the male terminal and motor Inscribed cable splice on wound stator is fixed；The female terminal engages fixation with accessing the external cable of connection box for motor； Pass through plug connection and fixation between the male terminal and female terminal；Between the male terminal and two outer ends of female terminal Periphery, which applies envelope, insulating cement, and the male terminal, female terminal and the adjacent part of the inscribed cable of both sides and external cable are formed Joint portion is cased with heat-shrink tube outside the joint portion.

During secondary connection, the inscribed cable on the wound stator of motor engages fixation, female terminal and access electricity with male terminal The external cable engagement of machine terminal box is fixed, by plug connection and fixation between male terminal and female terminal, male terminal and female end Periphery between two outer ends of son, which applies, seals up insulating cement, then in joint portion housing heat-shrink tube, with Hot-blast Heating heat-shrink tube, heat-shrink tube The stable and firm connection of secondary connection is realized at the tight joint portion of heat shrinkable back ferrule, by the connection structure, does not need to add in advance The nargin of big cable length, in final assembling, the cable that corresponding length is taken according to actual path length carries out secondary connection, It avoids a large amount of length that primary connection is generated when estimating cable length and be not allowed extra, the usage amount of cable can be substantially reduced, It puts and ends to waste, and insulated paint during the wound stator dipping lacquer in primary connection is avoided to enter cable and cable is caused to be hardened, operate The problem of property is poor.

As further improving and supplementing to above-mentioned technical proposal, it is special that the utility model further includes following supplementary technology Sign.

The male terminal includes male end cable connector pipe and the plug positioned at male end cable jacket pipes front end, described Female terminal includes female end cable jacket pipes and the jointing holes head positioned at female end cable jacket pipes front end, and plug insertion connects To realize the plug connection of male terminal and female terminal, the inscribed cable is inserted into male end cable connector pipe and is connect jack head It closes, the external cable is inserted into female end cable connector pipe and is engaged.Inserting mode is easy to operate, connection is efficient and convenient.

Between the jointing holes head of the female terminal and the plug of male terminal, male end cable connector pipe and inscribed cable it Between, between female end cable connector pipe and external cable be that cold conditions is fixed.The fixed form that cold conditions compresses, it is easy to operate, It can realize and be firmly fixed.

The plug and the section of jointing holes head are flat rectangle, the assembling between the hole of jointing holes head and plug Gap is between 0.15 ~ 0.20.The contact surface of flat rectangular shape cold weld is larger, and suitable fit-up gap not only facilitates insertion into, And crimping gap is small, and crimping effect is good.

The insulating cement is epoxy resin.Adhering with epoxy resin intensity is high, and stability is good, can be effectively prevented gas Bubble improves electrical safety performance.

Advantageous effect：

1st, the usage amount of cable can be substantially reduced, is put and ended to waste, it can be by the cable waste rate 5% ~ 30% of primary connection 0 is reduced to, generates huge economic benefit.

2nd, the cable amount for participating in stator dipping is reduced, when dipping lacquer can be protected by big envelope, and cable can be greatly improved Operability during access, while improve the service life of cable.

3rd, epoxy resin is carried out to joint portion and applies envelope, bubble can be prevented, improve electrical safety performance.

4th, it by the joint portion at secondary connection position insulating properties heat-shrink tube sleeve, with air exclusion, avoids direct with air Contact, prevents from aoxidizing；The metal part of out of phase terminal is avoided mutually to be in direct contact, improves electrical safety performance.

Description of the drawings

Fig. 1 is the utility model attachment structure schematic diagram.

Fig. 2 is the connection diagram of the utility model female terminal and male terminal.

Fig. 3 is the cut-away illustration that the utility model female terminal is connect with male terminal.

In figure：1- male terminals；2- female terminals；Cable is inscribed in 3-；4- external cables；5- epoxy resin；6- thermal shrinkable sleeves；101- Male end cable connector pipe；102- plugs；201- female end cable jacket pipes；202- jointing holes heads.

Specific embodiment

The technical solution of the utility model is described in further detail below in conjunction with Figure of description.

As shown in Figs. 1-3, a kind of connection structure of motor stator secondary connection, including male terminal 1, female terminal 2, male terminal 1 engages fixation with the inscribed cable 3 on the wound stator of motor；Female terminal 2 is engaged with accessing the external cable 4 of connection box for motor It is fixed；Pass through plug connection and fixation between male terminal 1 and female terminal 2；It is outer between male terminal 1 and two outer ends of female terminal 2 Applying envelope week has epoxy resin 5, and male terminal 1, female terminal 2 and the formation of the adjacent part of the inscribed cable 3 of both sides and external cable 4 connect Conjunction portion is cased with heat-shrink tube 6 outside joint portion.

For the ease of grafting, male terminal 1 includes male end cable connector pipe 101 and positioned at 101 front end of male end cable jacket pipes Plug 102, female terminal 2 include female end cable jacket pipes 201 and the jointing holes head positioned at 201 front end of female end cable jacket pipes 202, plug 102 is inserted into jointing holes head 202 to realize the plug connection of male terminal 1 and female terminal 2, and inscribed cable 3 is inserted into public affairs End cable insertion pipe 101 is engaged, and external cable 4 is inserted into female end cable connector pipe 201 and is engaged.Inserting mode operation letter List, connection are efficient and convenient.

It is fast firmly fixed to realize, between the jointing holes head 202 of female terminal 2 and the plug 102 of male terminal 1, It is that cold conditions compresses between male end cable connector pipe 101 and inscribed cable 3, between female end cable connector pipe 201 and external cable 4 It is fixed.The fixed form that cold conditions compresses, it is easy to operate, it can realize and fast be firmly fixed.

During secondary connection, inscribed cable 3 on the wound stator of motor is inserted into male end cable jacket pipes, and with Crimping Pliers into Row cold conditions is fixed；The external cable 4 of access connection box for motor is inserted into female end cable jacket pipes 201 and is carried out with Crimping Pliers cold State is fixed；The plug 102 of male terminal 1 is inserted into the jointing holes head 202 of female terminal 2, and carries out cold conditions compression with Crimping Pliers It is fixed；Periphery filling between male terminal 1 and two outer ends of female terminal 2, which applies, seals up epoxy resin 5, then in joint portion housing pyrocondensation Pipe 6, with heat gun heat-shrink tube 6, the stable and firm of secondary connection is realized at the 6 tight joint portion of heat shrinkable back ferrule of heat-shrink tube Connection by the connection structure, does not need to increase the nargin of cable length in advance, long according to Actual path in final assembling The cable that degree takes corresponding length carries out secondary connection, a large amount of length that primary connection is avoided to generate when estimating cable length and be not allowed It is extra to spend, and can substantially reduce the usage amount of cable, put and end to waste, and while avoiding the wound stator dipping lacquer in primary connection is exhausted The problem of edge paint enters cable and cable is caused to be hardened, operability difference.

In this example, the section of plug 102 and jointing holes head 202 is flat rectangle, and flat rectangular shape cold weld connects Contacting surface is larger；The hole of jointing holes head 202 is 0.2 in the fit-up gap of width direction with plug 102, the assembly building of short transverse Gap is 0.15.Suitable fit-up gap not only facilitates insertion into, and crimping gap is small, and crimping effect is good.

A kind of connection structure of motor stator secondary connection shown in figure 1 above -3 is the specific implementation of the utility model Example, has embodied the utility model in essence feature and progress, can be according to practical use needs, in opening for the utility model Under showing, the equivalent modifications of shape, structure etc., the row in the protection domain of this programme are carried out to it.

Claims (5)

1. a kind of connection structure of motor stator secondary connection, it is characterised in that：Including male terminal（1）, female terminal（2）, it is described Male terminal（1）With the inscribed cable on the wound stator of motor（3）Engagement is fixed；The female terminal（2）With accessing motor The external cable of terminal box（4）Engagement is fixed；The male terminal（1）With female terminal（2）Between pass through plug connection and fixation； The male terminal（1）With female terminal（2）Two outer ends between periphery apply envelope have insulating cement, the male terminal（1）, female end Son（2）And the inscribed cable of both sides（3）And external cable（4）Adjacent part form joint portion, be cased with outside the joint portion Heat-shrink tube（6）.

2. a kind of connection structure of motor stator secondary connection according to claim 1, it is characterised in that：The male end Son（1）Including male end cable connector pipe（101）With positioned at male end cable jacket pipes（101）The plug of front end（102）, it is described Female terminal（2）Including female end cable jacket pipes（201）With positioned at female end cable jacket pipes（201）The jointing holes head of front end（202）, The plug（102）It is inserted into jointing holes head（202）To realize male terminal（1）With female terminal（2）Plug connection, it is described Inscribed cable（3）It is inserted into male end cable connector pipe（101）It is engaged, the external cable（4）It is inserted into female end cable connector Pipe（201）It is engaged.

3. a kind of connection structure of motor stator secondary connection according to claim 2, it is characterised in that：The female end Son（2）Jointing holes head（202）With male terminal（1）Plug（102）Between, male end cable connector pipe（101）With inscribed electricity Cable（3）Between, female end cable connector pipe（201）With external cable（4）Between be that cold conditions is fixed.

4. a kind of connection structure of motor stator secondary connection according to claim 2, it is characterised in that：Described patches Head（102）With jointing holes head（202）Section be flat rectangle, jointing holes head（202）Hole and plug（102）Between dress With gap between 0.15 ~ 0.20.

5. a kind of connection structure of motor stator secondary connection according to claim 1, it is characterised in that：The insulation Glue is epoxy resin（5）.