CN208939205U - Connection structure, coil block and the motor of connecting terminal, itself and enameled wire - Google Patents

Abstract

The utility model provides a kind of connecting terminal, itself and the connection structure and method of enameled wire, coil block and motor.The connecting terminal of the utility model, including connecting terminal ontology；The binding post connecting with for the terminals with enameled wire, the binding post are fixed on the connecting terminal ontology, including first surface, and the first groove opened up downwards by the first surface.The connection structure of connecting terminal and enameled wire includes enameled wire and connecting terminal, the terminals of the enameled wire are placed on first groove, fixing terminal crimps and fixes the terminals and the binding post of the enameled wire, and the terminals of the enameled wire are connect with the fixing terminal, the binding post butt-joint.The utility model makes enameled wire in the placement of binding post and fixes more convenient secured and carried out advantageous protection to enameled wire, is not easy to cause enameled wire to damage because of external force；The butt-joint for realizing enameled wire and binding post connects, and keeps the coat of paint removal length of enameled wire controllable, the service life of extension coil component or motor.

Description

Connection structure, coil block and the motor of connecting terminal, itself and enameled wire

Technical field

The utility model belongs to wiring and its connection area more particularly to a kind of connecting terminal and its company with enameled wire Binding structure, coil block and motor.

Background technique

Enameled wire used in motor can be copper wire or aluminum steel, and aluminum steel is applied to by 1970s existing research Motor.Either copper enameled wire or aluminium enamel-covered wire, the connection between existing enameled wire and connecting terminal mainly use soldering side Formula.Soldering mode needs first to remove enameled wire coat of paint with liquid tin, and specific method is that enameled wire the end of a thread was first immersed high temperature by it Tin furnace melts the enameled wire on surface, and in order to fix enameled wire, the binding post of connecting terminal is cylindrical, and enameled wire generally uses The mode of winding is fixed on binding post.However, on the one hand, this connecting terminal makes the fixation (winding) of enameled wire need to consume Take more artificial investment, and fixed enameled wire is still easily loosened and fallen off；On the other hand, the enameled wire being raised in outside binding post It is easy to be pulled off or damage under external force, causes product bad and then cause motor failure.

Utility model content

Based on this, the purpose of the utility model is to provide a kind of connecting terminals, overcome lacking for existing connecting terminal Point can make enameled wire in the placement of binding post and fixed more convenient secured, the artificial investment of reduction, and since enameled wire is incorporated in In first groove, advantageous protection has been carried out to enameled wire, has been not easy to lead to enameled wire because of external force (such as injection pressure etc.) Damage.

The technical solution that the utility model is taken is as follows:

A kind of connecting terminal characterized by comprising connecting terminal ontology；It is connect with for the terminals with enameled wire Binding post, the binding post is fixed on the connecting terminal ontology, including first surface, and is opened downwards by the first surface If the first groove, first groove include two sides and a bottom surface.Due to the setting of the first groove, the wiring of enameled wire End can be filled in wherein, is preferably protected, is not easy to be damaged because of external force；In addition, the structure is suitable for enamel-cover The butt-joint of line and binding post is fixed, and is also not easy to loosen once butt-joint fixation.

Further, the angle between the bottom surface and the first surface of first groove is 0-20 °.The angle makes The bottom surface of first groove compared with first surface, be a flat surface or for an inclined-plane and gradient it is smaller.If subsequent need to enamel-cover Line carries out crimping or butt-joint, enameled wire and the contact of the first groove floor can be made closer, and enameled wire can be prevented in terminals Excessive deformation is depressed on son and causes strength reduction excessive, and better protective effect is played to conducting wire.

Further, the bottom surface of first groove is oblique relative to the first surface.Further limit Angle is not zero between one groove floor and first surface, the first groove with certain gradient, if enameled wire is subsequent It may be stamped or compression when butt-joint, it is ensured that the precompressed section height of enameled wire changes linearly, and gradually transition, the angle can protect So that it is not pressed down while demonstrate,proving the precompressed amount of enameled wire, and ensures its intensity.

Further, the binding post further includes the end of a thread winding post positioned at top.In use, the terminals of enameled wire are logical The first groove of binding post is crossed, then can be wound in the end of a thread winding post fixed.

As an implementation, the enameled wire is aluminium enamel-covered wire.Since aluminium enamel-covered wire takes off except being more vulnerable to after coat of paint Air corrosion, aluminium enamel-covered wire is more when practical application.

Further, the connecting terminal, which is characterized in that further include that one can crimp and be fixed on consolidating for the binding post Fixed end.In some embodiments, fixing terminal can be single stamping parts, be connect by that can wrap up and be fixed on after punching press Terminal；In other embodiments, fixing terminal can also be a component for being fixed on the binding post in itself, part It is fixed with binding post, it partially can be by being fixed on binding post after punching press.

As an implementation, the fixing terminal includes pressure contact portion and fixed part interconnected, the fixed part Be fixed on the binding post, the pressure contact portion compression-joint cover together in the first surface of the binding post on.In the embodiment, Gu Fixed end is a component for being fixed on the binding post in itself, and compression-joint cover is together in the first of binding post after pressure contact portion is stamped Surface.

As another embodiment, the section of fixing terminal is in U-shape or semi-circular.In the embodiment, fixing terminal It is independent stamping parts, realizes and wrapped in binding post after stamped, three surfaces of binding post may be wrapped up, be the first table Face and side positioned at first surface two sides, it is also possible to which four surfaces for wrapping up binding post, further include bottom surface.

Preferably, the medial surface of the fixing terminal is equipped with multiple dentalations.It can be better protected from enameled wire pine in this way It is de-.

The utility model also provides the connection structure of a kind of connecting terminal and enameled wire, which is characterized in that including enameled wire With above-mentioned connecting terminal, enameled wire include a terminals, the terminals of the enameled wire be placed on first groove and with The binding post butt-joint is connected and fixed.

When removing coat of paint by soldering mode due to the motor enamel-covered wire of the prior art, need first to remove enamel-cover with liquid tin Enameled wire the end of a thread is first crossed high temperature tin furnace by line coat of paint, melts the enameled wire on surface, and the length that paint is moved back in soldering leans on experience completely, This process is difficult to accurately control the time of the length of coating removal section and coating removal process, so that coating removal segment length may too long or mistake It is short.If coating removal segment length is too long, it is exposed in air to may cause enameled wire coating removal section, is oxidized easily, along with humidity Air in contain acid and alkali substance, easily corrode enameled wire and its pad, and then lead to motor initial failure；If coating removal Segment length is too short, then it is insufficient to may cause open circuit or connecting terminal and aluminum steel contact area between enameled wire and connecting terminal It will lead to poor contact or contact resistance be big, equally cause motor failure.Moreover, for particularly with aluminium enamel-covered wire, due to Aluminium is not easy tin, usually also scaling powder can be added during soldering to assist, scaling powder itself has corrosivity, therefore tin The shortcomings that weldering mode is brought has: first is that soldering terminates to need to increase flux cleaning process, second is that if scaling powder has residual meeting The service life of motor is influenced, third is that soldering process is difficult to realize automate because aluminum steel is softer, is needed in manufacturing process a large amount of Artificial investment.

The connecting terminal of the utility model and the connection structure of enameled wire, the connecting terminal based on specific structure realize The butt-joint of enameled wire and binding post connects, and overcomes the shortcomings that above-mentioned conventional soldering process is brought；And make the coat of paint of enameled wire It is controllable to remove length, air is preferably minimized the likelihood of corrosion for going coat of paint section, extending indirectly includes connecting terminal and enamel-cover The coil block of the connection structure of line or the service life of motor.

The utility model also provides the connection structure of a kind of connecting terminal and enameled wire, which is characterized in that including enameled wire With the above-mentioned connecting terminal including fixing terminal, the enameled wire includes a terminals, and the terminals of the enameled wire are placed in institute It states on the first groove, the fixing terminal crimps and fixes the terminals and the binding post of the enameled wire, the enameled wire Terminals connect with the fixing terminal, the binding post butt-joint.

The connecting terminal of the utility model and the same butt-joint for realizing enameled wire and binding post of the connection structure of enameled wire Fixed, since binding post has specific structure, enameled wire has just been initially positioned in the first groove, the terminals of enameled wire by Under pressure, due to itself elasticity, the terminals of enameled wire are fixed terminal compression, with fixing terminal and the first groove Contact close between bottom surface, while width of the enameled wire in the first groove will increase and make its two sides that may contact the first groove Side, the terminals of final enameled wire are filled in fixing terminal and the first groove of binding post is formed by through-hole.For One groove is preferably obliquely installed, can prevent fixing terminal by enameled wire press excessive deformation and cause strength reduction excessive, protect The precompressed section height for demonstrate,proving enameled wire changes linearly, gradually transition, it is ensured that conducting wire is not pressed down or the mutation of shape, disappears simultaneously Hidden danger is broken in addition to subsequent.

Further, the fixing terminal is fixed with the terminals of the enameled wire and the binding post by punching press, paint The precompressed amount of the terminals of envelope curve is not more than 80%.It is solid in enameled wire and binding post butt-joint by the fixing terminal that punching press is fixed After fixed, since butt-joint technique will not remove enameled wire in fixing terminal with the coat of paint of outer portion, having removed the peel in fixing terminal Enameled wire is in close contact in the first groove of butt-joint process and fixing terminal and binding post, forms a confined space, butt-joint portion Position is difficult to contact with air, protects it from air oxidation or corrosion.The precompressed amount of enameled wire is not more than 80% certifiable conducting wire With enough intensity.

Further, the connection structure of the connecting terminal and enameled wire, it is characterised in that: it further include insulation division, institute State the butt-joint position that insulation division covering seals at least described enameled wire.For the connecting terminal including fixing terminal, insulation division can It is filled on the outside of the enameled wire in the through-hole of fixing terminal and the formation of the first groove, which, which can pass through, is added dropwise insulated paint shape At can also be formed by integrally immersing in insulated paint the connection structure of connecting terminal and enameled wire, playing ensures butt-joint position Not oxidized or corrosion effect.

Further, the connection structure of the connecting terminal and enameled wire, it is characterised in that: it further include heat-shrink tube, institute The outer wall that shrinkable sleeve is set to the binding post is stated, or is sheathed on the outer wall of the binding post and the fixing terminal.Heat-shrink tube Application to further protect.

The utility model also provides a kind of coil block characterized by comprising coil rack and the connecting terminal With the connection structure of enameled wire, the connecting terminal is fixed on the coil rack, and enameled wire is wound in the coil rack shape At coil, the terminals butt-joint of enameled wire is fixed in the first groove of the binding post.

Preferably, the coil rack includes a leading part, offers a wire lead slot, the wire lead slot on the leading part Identical as the opening direction of first groove, the wire lead slot is located at the underface of first groove and groove center line is mutual Alignment.This is provided with the terminals beneficial to enameled wire and enter precisely intos into the first groove.Especially drain the wiring of pump motor Terminal is smaller, and the width of the first groove only has grade, and very careful, people is needed when manually penetrating the terminals of enameled wire Power consumption is big, and by the setting of wire lead slot, so that the tail end of enameled wire is introduced into the wire lead slot for being easily caught in enameled wire, then take advantage of a situation It is directly entered the first groove, artificial carefully alignment is not needed, production efficiency can be improved.

As an implementation, the wire lead slot is V-shaped.Wire lead slot is V-shaped, and outer end opening is big, keeps enameled wire easy Into, interior end opening is small, and it is suitable with the opening width of the first groove, and the first groove is set on wire lead slot, need to only be pulled up The terminals of enameled wire can be made to be directly placed into the first groove.

Further, the coil block, it is characterised in that: further include plastic packaging layer, the plastic packaging layer is wrapped in described The outer layer of coil rack, coil and binding post.The plastic packaging layer serves to coil block protection, on the one hand can to butt-joint position into Capable protection, is allowed to that further waterproof action on the other hand can be played, such as have the motor of waterproof requirement with air exclusion, can incite somebody to action The coil block plastic packaging is in sealed environment.

The utility model also provides a kind of motor, it is characterised in that: including the coil block.

The beneficial effects of the utility model are:

(1) connecting terminal of the utility model, specific structure can make enameled wire in the placement of binding post and fix more It is convenient securely to reduce artificial investment, and since enameled wire is incorporated in the first groove, advantageous guarantor has been carried out to enameled wire Shield, is not easy to lead to the damage of enameled wire because of external force；

(2) connecting terminal of the utility model and its connection structure with enameled wire use butt-joint mode and enameled wire Connection, on the one hand overcomes the shortcomings that soldering mode is brought, keeps the coating removal segment length of enameled wire controllable, improve the consistent of product Property and production efficiency, and coating removal section consistent in length be without exposure in air, can extending product service life, on the other hand, The design of first groove, make the terminals of enameled wire be finally filled in fixing terminal and binding post the first groove be formed by it is logical Kong Zhong, or be filled in the first groove, as the preferred inclined design in bottom surface, make fixing terminal by the binding post of connecting terminal with After enamel-cover wire crimp is fixed, the terminals of enameled wire will not cause strength reduction (particularly with material because being depressed into excessive deformation The softer aluminum steel of matter), preferable protective effect is played to conducting wire；

(3) connecting terminal of the utility model and its connection structure with enameled wire, can be applied to various coil blocks and In a variety of electric appliances including motor.

Detailed description of the invention

Fig. 1 is the side schematic view of the connecting terminal of embodiment 1；

Fig. 2 is the cross-sectional view of the connecting terminal of embodiment 1；

Fig. 3 is the stereoscopic schematic diagram of the connecting terminal of embodiment 1；

Fig. 4 is the connecting terminal of embodiment 4 and the connection structure stereoscopic schematic diagram of enameled wire；

Fig. 5 is the stereoscopic schematic diagram of fixing terminal in embodiment 4；

Fig. 6 is the stereoscopic schematic diagram of fixing terminal in an embodiment；

Fig. 7 is the stereoscopic schematic diagram of fixing terminal in another embodiment；

Fig. 8 be embodiment 9 connecting terminal and enameled wire connection structure original state when stereoscopic schematic diagram；

Fig. 9 is the stereoscopic schematic diagram after the connection structure punch forming of the connecting terminal and enameled wire of embodiment 9；

Figure 10 be embodiment 8 or 9 middle connecting terminals and enameled wire connection structure butt-joint before two electrode of butt-welding machine it is opposite Location status schematic diagram；

Figure 11 is two electrode of butt-welding machine during the connection structure butt-joint of embodiment 8 or 9 middle connecting terminals and enameled wire Relative position status diagram；

Figure 12 is stereoscopic schematic diagram of the 11 middle line coil assembly of embodiment before fixing terminal punching press；

Figure 13 is stereoscopic schematic diagram of the 11 middle line coil assembly of embodiment after fixing terminal punching press and Jing Guo butt-joint；

Figure 14 is 11 middle line ring framework schematic diagram of embodiment；

Figure 15 is the coil block stereoscopic schematic diagram of embodiment 12；

Figure 16 is the draining pump motor schematic diagram of embodiment 13；

Wherein: 1- connecting terminal, 11- connecting terminal ontology, 12- binding post, 121- first surface, the first groove of 122-, The bottom surface 1221-, the side 1222-, 123- the end of a thread winding post, 13- fixing terminal, 131- dentalation, 132- pressure contact portion, 133- Fixed part, 2- enameled wire, 21- terminals, A- insulated paint dropwise addition position, 4- coil rack, 41- leading part, 411- wire lead slot, 5- plastic packaging layer, 61- top electrode, electrode under 62-, 7- coil block, 8- stator core, the 91- pump housing, 92- pump cover.

Specific embodiment

Following embodiment is all with the connection structure for draining the connecting terminal in pump motor, connecting terminal and enameled wire and its company For connecing method, but and it is not limited to the application in draining pump motor.

Embodiment 1

Fig. 1~3 are please referred to, are the structural schematic diagram of the connecting terminal of the utility model.

The connecting terminal 1 of the present embodiment, including connecting terminal ontology 11 and binding post 12.Binding post 12 is used for and enameled wire Terminals connection, binding post 12 is fixed on connecting terminal ontology 11, including first surface 121, the first groove 122 and the end of a thread twine Around column 123.First groove 122 is opened up downwards by first surface 121 and is formed, including two sides 1222 and a bottom surface 1221.This In embodiment, the angle theta between the bottom surface 1221 and first surface 121 of the first groove is 15 °, in other embodiments, the angle theta Within the scope of preferably 0-20 °, i.e. the bottom surface 1221 of the first groove both can be in parastate with first surface 121, be also possible to It is inclined.Enameled wire is aluminium enamel-covered wire in the present embodiment, can also use traditional copper enameled wire in other embodiments.Other realities It applies in example, binding post 12 can not also include the end of a thread winding post 123.

Embodiment 2

Please refer to Fig. 4~5, the connecting terminal 1 of the present embodiment, including connecting terminal ontology 11, binding post 12 and fixing end Son 13, binding post 12 do not include the end of a thread winding post 123, the other components and shape of binding post 12, terminal body 11 and are connect The structural relation of terminal 12 is with embodiment 1, and angle theta is 20 ° in the present embodiment.

In the present embodiment, the section of fixing terminal 13 is in U-shape, and its medial surface is equipped with multiple dentalations 131, to play The effect that enameled wire loosens is further prevented, in other embodiments, the dentalation 131 can not also be set.When original state, Gu Fixed end son 13 with binding post 12 be it is disconnected from each other and independent, can through the stamping process by 13 punching press of fixing terminal extremely and binding post 12 is fixed, and is wrapped in three outer surfaces of binding post, the side including the first surface and first surface two sides.

In other embodiments, the section of fixing terminal 13 can also be in semi-circular, as shown in fig. 6, or section is totally in U Shape, the U-shaped fixing terminal 13 include two free ends, and the length of two free ends differs, as shown in Figure 7.

Embodiment 3

Fig. 8~9 are please referred to, the connecting terminal 1 of the present embodiment includes connecting terminal ontology 11, binding post 12 and fixing terminal 13.The structural relation of the shape and structure of binding post 12, terminal body 11 and binding post 12 is the same as embodiment 1, this reality in the present embodiment Applying angle theta in example is 10 °.

In the present embodiment, fixing terminal 13 is fixed on binding post 12, including pressure contact portion interconnected 132 and fixed part 133, fixing terminal 13 is fixed on the side wall of binding post 12 by fixed part 133, and pressure contact portion 132 can be by compression-joint cover together in wiring The first surface 121 of column 12.When the original state of the fixing terminal 13, as shown in figure 8, fixed part 133 and binding post 12 are solid Fixed, pressure contact portion 132 is located at 12 top of binding post and does not contact with binding post 12；After pressure contact portion 132 is stamped, as shown in figure 9, crimping First surface 121 of 132 compression-joint cover of portion together in binding post 12.

Embodiment 4

As shown in Figures 4 and 5, the connection structure of the connecting terminal of the present embodiment and enameled wire, including connecting terminal 1 and enamel-cover Line 2.The structure of connecting terminal 1 includes a terminals 21 with embodiment 2, enameled wire 2, and 21 enameled wire of terminals of enameled wire connects Line end 21 is placed on the first groove 122, and fixing terminal crimps and fixes the terminals 21 and binding post of enameled wire, and enameled wire connects Line end 21 is connect with fixing terminal 13, binding post butt-joint, and the precompressed amount of the terminals of enameled wire is not more than 80%.

Embodiment 5

The connecting terminal of the present embodiment and the connection structure of enameled wire, on the basis of embodiment 4, further include insulation division and Heat-shrink tube.Insulation division is filled in the through-hole that fixing terminal 13 and the first groove 122 are formed, enameled wire and fixing terminal and enamel-cover Between line and binding post, at least covers the butt-joint position of enameled wire 2 and be allowed to seal.Shrinkable sleeve is set to fixing terminal 13 and connects The outer wall of terminal.

Embodiment 6

As shown in Fig. 8~9, the connecting terminal of the present embodiment and the connection structure of enameled wire, including connecting terminal 1 and enamel-cover Line 2.The structure of connecting terminal 1 includes a terminals 21 with embodiment 3, enameled wire 2, and 21 enameled wire of terminals of enameled wire connects Line end 21 is placed on the first groove 122, and fixing terminal crimps and fix the terminals 21 and binding post 12 of enameled wire, enameled wire Terminals 21 are connect with fixing terminal 13, binding post butt-joint, and the precompressed amount of the terminals of enameled wire is not more than 80%.In other realities Apply in example, can also similar embodiment 5, further include insulation division, or not only include insulation division but also included heat-shrink tube.

Embodiment 7

The connecting terminal of the present embodiment and the connection structure (not shown) of enameled wire, including enameled wire and connecting terminal, connect The structure of line terminals is with embodiment 1, and enameled wire includes a terminals, and the terminals of enameled wire are placed on the first groove and and wiring Column butt-joint is connected and fixed.

Embodiment 8

The connecting terminal of the present embodiment and the connection structure of enameled wire, connecting terminal, enameled wire including the utility model And fixing terminal, fixing terminal, which can crimp, to be fixed on the binding post and is wrapped at least two outer surfaces of binding post, institute Stating two outer surfaces includes the first surface.In the present embodiment, binding post includes the end of a thread winding post.

The connection method of the connection structure of the connecting terminal and enameled wire, comprising the following steps:

The terminals of enameled wire: being passed through and is placed in the first groove of binding post by S1, and end is wrapped in the end of a thread winding Fixed function is played on column；

S2: carrying out punching press to fixing terminal with automatic terminal machine, be allowed to wrap the terminals of enameled wire and binding post, It contacts the terminals of enameled wire with the bottom surface of fixing terminal and the first groove respectively, and makes the precompressed amount of the terminals of enameled wire No more than 80%；

S3: terminals and binding post to fixing terminal, enameled wire carry out butt-joint (referring to Figure 10~11), make enameled wire The coat of paint of terminals, which takes off, to be removed, and terminals and binding post, the fixing terminal of enameled wire are connected and fixed, and cuts off the end of a thread winding post and winding Enameled wire thereon；

S4: insulated paint covering is added dropwise to the butt-joint position of enameled wire and is allowed to seal, and in the outer of binding post and fixing terminal Wall is arranged heat-shrink tube, obtains the connecting terminal of the present embodiment and the connection structure of enameled wire.Preferably, pyrocondensation bottom of the tube is lower than solid The sub- bottom 0-4mm in fixed end, can prevent using or transportational process in the end of a thread loosen or break.

The present embodiment is preferred embodiment, in other embodiments, also may not include S4.

The connection structure connection method of above-mentioned connecting terminal and enameled wire is not limited to the mutually isostructural wiring of the present embodiment The connection structure of terminal and enameled wire, such as in other embodiments if binding post 12 does not include the end of a thread winding post 123, S1 It may not include the end winding to the terminals 21 of enameled wire, S3 may not include to the end of a thread winding post 123 and wind thereon The excision of enameled wire, other steps are identical.

Embodiment 9

Referring to Fig. 8~9, the connecting terminal of the present embodiment and the connection structure of enameled wire, with embodiment 6.The connecting terminal With the connection method of the connection structure of enameled wire, comprising the following steps:

The terminals 21 of enameled wire: being passed through and is placed in the first groove 122 of binding post 12 by S1, end is wound online Fixed function is played in head winding post 123；

S2: punching press is carried out to fixing terminal 13, makes 132 compression-joint cover of pressure contact portion together in the first surface 121 of binding post 12 Entire fixing terminal 13 plays the role of wrapping the terminals 21 and binding post 12 of enameled wire, the terminals 21 of enameled wire It is contacted respectively with the bottom surface 1221 of fixing terminal 13 and the first groove, and is not more than the precompressed amount of the terminals 21 of enameled wire 80%；

S3: terminals and binding post 12 to fixing terminal 13, enameled wire carry out butt-joint, make the paint of the terminals of enameled wire Skin, which takes off, to be removed, and terminals and binding post, the fixing terminal of enameled wire are connected and fixed, and obtains the connecting terminal and enameled wire of the present embodiment Connection structure, specific step is as follows (referring to Figure 10~11):

S31: the terminals for having crimped fixed fixing terminal 13, enameled wire and binding post 12 are put into the positive and negative of butt-welding machine Between electrode, positive and negative electrode is set to top and the binding post of fixing terminal respectively as top electrode and lower electrode in the present embodiment Bottom when original state, contacts lower electrode 62 with wiring column bottom, top electrode 61 is far from fixing terminal；

S32: set butt-joint electric current 1000-5000A and butt-joint time no more than 100ms (the butt-joint time can guarantee Not damage wires), start butt-welding machine, top electrode 61, which moves downward, is brought into contact with fixing terminal, then star t-up discharge process, up and down Electrode realizes conducting, and the high temperature of moment makes the coat of paint of the terminals of enameled wire melt to fall to take off and remove, and reaches the terminals of enameled wire and connects The conducting and fixation of terminal and fixing terminal cut off the enameled wire of the end of a thread winding post 123 and winding thereon.

The butt-joint time is controlled within 100ms, it can not damage wires；Butt-joint process generates the high temperature of moment because of high current, So that the coat of paint of the part enameled wire contacted with fixing terminal and binding post is melted removal, reaches conducting purpose.It is solid for having Fixed end to butt-joint structure, which will not remove enameled wire in fixing terminal with the coat of paint of outer portion, in fixing terminal The enameled wire removed the peel closely is connect with fixing terminal, the first groove floor, can effectively reduce contact of the air with conducting wire.In order to Reinforce protection to butt-joint position, subsequent dropwise addition insulated paint and the draw can be heated be protected.

Embodiment 10

The connecting terminal of the present embodiment and the connection structure of enameled wire, with embodiment 7.The company of the connecting terminal and enameled wire The connection method of binding structure, comprising the following steps:

S1: the terminals of enameled wire are passed through to and are placed in the first groove of the binding post；

S3: terminals and the binding post to the enameled wire carry out butt-joint, take off the coat of paint of the terminals of enameled wire It removes, terminals and the binding post of enameled wire are connected and fixed, and obtain the connection structure of connecting terminal and enameled wire, specific steps are such as Under:

S31: the terminals of the enameled wire and the binding post are put between the positive and negative electrode of butt-welding machine；

S32: setting butt-joint electric current and butt-joint time, start butt-welding machine, positive and negative electrode movement is allowed to compress enameled wire Terminals and binding post, wherein an electrode is contacted with the first surface of the terminals upper surface of enameled wire and binding post, Ling Yi electricity Pole is contacted with the bottom of binding post；Then star t-up discharge process, positive and negative electrode conducting make the coat of paint of the terminals of enameled wire is molten to go It takes off and removes, terminals and the binding post of enameled wire are connected and fixed.

The connection method of the connection structure of the connecting terminal and enameled wire of above-described embodiment 8~10, high production efficiency, the work By the high temperature arc melting enameled wire contacted with fixing terminal, coat of paint melts degree to be carried out by electric current and time parameter skill Control, because the process is instantaneous high-temperature, heat affected zone in fixing terminal package range (if being free of fixing terminal, Then heat affected areas is in butt-joint electrode institute coverage area), it is wrapped in the through-hole of fixing terminal and the formation of the first groove It goes coat of paint conducting wire to completely cut off air, can also further be reached by the enhancing safeguard measure such as drop insulated paint and set heat-shrink tube Further protection.Compared with traditional soldering process, the connection method will move back the scope control of paint within the scope of fixing terminal or , it can be achieved that protection to conducting wire, is easier to automation control, reduces manual operation in butt-joint electrode coverage area, without the use of helping Solder flux reduces remaining processing sequences, and further protects the safety of product.

Embodiment 11

As shown in Figure 12~13, the coil block of the present embodiment, comprising: the terminals of coil rack 4 and the utility model The connection structure of son and enameled wire.

Connecting terminal 1 can be fixed in the inserting groove on coil rack 4 by inserting mode, and enameled wire 2 is wound in coil Skeleton 4 forms coil, and 21 butt-joint of terminals of enameled wire is fixed in the first groove 122 of binding post 12.Figure 12 and Figure 13 points It Wei not be before 13 punching press of fixing terminal, after punching press and coil block stereoscopic schematic diagram that butt-joint is completed, the welding position that crashes set dropwise addition insulation Paint protection, can be added dropwise from location A in figure.

Preferentially, as shown in figure 14, coil rack 4 includes a leading part 41, offers a lead on 41, the lead Slot 411, wire lead slot 411 is identical as the opening direction of the first groove 122, and wire lead slot 411 is located at the underface of the first groove 122 And groove center line is mutually aligned, in the present embodiment, wire lead slot 411 is V-shaped, and outward opening width is greater than inner opening width.

Embodiment 12

As shown in figure 15, the coil block of the present embodiment, structure further include plastic packaging layer 5 on the basis of embodiment 11, Plastic packaging layer 5 is wrapped in the outer layer of coil rack 4, coil and binding post 12.

Embodiment 13

The draining pump motor (as shown in figure 16) of this implementation, coil block 7, stator core 8, pump including the utility model Body 91 and pump cover 92.In other embodiments, it is also possible to include the utility model coil block applied to other occasions Motor.

The connecting terminal of the utility model and its with the connection structure of enameled wire, coil block be not limited to be applied to electricity In machine, can be applied to all may comprising connecting terminal and its in the electric appliance of the connection structure of enameled wire or coil block, Such as solenoid valve, transformer etc..

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand For limitations of the present invention.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or two More than a.

Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The protection scope of the utility model.

Claims (20)

1. a kind of connecting terminal characterized by comprising

Connecting terminal ontology；

The binding post connecting with for the terminals with enameled wire, the binding post are fixed on the connecting terminal ontology, including First surface, and the first groove opened up downwards by the first surface, first groove include two sides and a bottom surface.

2. connecting terminal according to claim 1, it is characterised in that: the bottom surface of first groove and the first surface Between angle be 0-20 °.

3. connecting terminal according to claim 2, it is characterised in that: the bottom surface of first groove is relative to described first Surface is oblique.

4. connecting terminal according to claim 1, it is characterised in that: the binding post further includes that the end of a thread positioned at top twines Around column.

5. connecting terminal according to claim 1, which is characterized in that the enameled wire is aluminium enamel-covered wire.

6. any connecting terminal according to claim 1~5, which is characterized in that further include one can crimp be fixed on it is described The fixing terminal of binding post.

7. connecting terminal according to claim 6, which is characterized in that the fixing terminal includes pressure contact portion interconnected And fixed part, the fixed part are connected to the binding post, the pressure contact portion can compression-joint cover together in the binding post the first table On face.

8. connecting terminal according to claim 6, it is characterised in that: the section of fixing terminal is in U-shape or semi-circular.

9. connecting terminal according to claim 6, it is characterised in that: the medial surface of the fixing terminal is equipped with multiple dentations Structure.

10. the connection structure of a kind of connecting terminal and enameled wire, which is characterized in that any including enameled wire and Claims 1 to 5 The connecting terminal, enameled wire include a terminals, the terminals of the enameled wire be placed on first groove and with institute Binding post butt-joint is stated to be connected and fixed.

11. the connection structure of connecting terminal according to claim 10 and enameled wire, it is characterised in that: further include insulation Portion, the insulation division covering seal the butt-joint position of at least described enameled wire.

12. the connection structure of a kind of connecting terminal and enameled wire, which is characterized in that any including enameled wire and claim 6~9 The connecting terminal, the enameled wire include a terminals, and the terminals of the enameled wire are placed on first groove, institute State terminals and the binding post that fixing terminal crimps and fixes the enameled wire, the terminals of the enameled wire with it is described solid Fixed end, binding post butt-joint connection.

13. the connection structure of connecting terminal according to claim 12 and enameled wire, it is characterised in that: the fixing terminal It is fixed with the terminals of the enameled wire and the binding post by punching press, the precompressed amount of the terminals of enameled wire is not more than 80%.

14. the connection structure of connecting terminal according to claim 12 and enameled wire, it is characterised in that: further include insulation Portion, the insulation division covering seal the butt-joint position of at least described enameled wire.

15. the connection structure of connecting terminal according to claim 14 and enameled wire, it is characterised in that: further include pyrocondensation Pipe, the shrinkable sleeve are set to the outer wall of the binding post, or are sheathed on the outer wall of the binding post and the fixing terminal.

16. a kind of coil block characterized by comprising coil rack and any terminals of claim 10~14 The connection structure of son and enameled wire, the connecting terminal are fixed on the coil rack, and enameled wire is wound in the coil rack Coil is formed, the terminals butt-joint of enameled wire is fixed in the first groove of the binding post.

17. coil block according to claim 16, it is characterised in that: the coil rack includes a leading part, described A wire lead slot is offered on leading part, the wire lead slot is identical as the opening direction of first groove, and the wire lead slot is located at The underface of first groove and groove center line is mutually aligned.

18. coil block according to claim 17, it is characterised in that: the wire lead slot is V-shaped.

19. coil block according to claim 16, it is characterised in that: further include plastic packaging layer, the plastic packaging layer is wrapped in The outer layer of the coil rack, coil and binding post.

20. a kind of motor, it is characterised in that: including any coil block of claim 16~19.