CN210142933U - Terminal block and motor with the same - Google Patents

Abstract

The utility model relates to a terminal block and a motor having the same. The terminal block includes: a first connection part, the first connection part has a receiving cavity for receiving a plug pin; a second connection part, the second connection part is integrally arranged with the first connection part, and the second connection part can fix the motor wire and is conductively connected to the motor wire. In the terminal block of the utility model embodiment, the first connection part can accommodate the plug pin. When the plug pin is connected to the receiving cavity of the first connection part, the terminal block can be conductively connected to the enameled wire wound on the plug pin. The second connection part can fix the motor wire and is conductively connected to the motor wire. When the motor wire is conductively connected to the second connection part, the motor wire can be conductively connected to the enameled wire. Therefore, the terminal block can replace the circuit board to realize the connection between the enameled wire and the motor wire. Compared with the circuit board, the cost of the terminal block is much lower, thereby solving the problem of high cost caused by using the circuit board to connect the enameled wire and the motor wire.

Description

Terminal block and motor with the same

technical field

The utility model relates to the technical field of motors, in particular to a wiring terminal and a motor having the same.

Background technique

In the related art, the enameled wire in the stator winding of the motor needs to be connected with the motor wire, so as to realize the energization of the winding coil. See Figure 1 for the connection method of the existing enameled wire and the motor wire. The enameled wire 300' is wound on the pin 400', the circuit board 600' is sleeved on the pin 400', the motor wire 200' is connected to the wiring hole on the circuit board 600', and 700' of solder is used. Solder and fix, and the motor wire 200' and the pin 400' are also connected by solder, so that the motor wire 200' and the enameled wire 300' are connected. The problem with the above connection method is that the cost of the circuit board 600' is high. Therefore, the use of the circuit board 600' to connect the enameled wire and the motor leads increases the cost of the motor, which in turn hinders the promotion and application of the motor.

Utility model content

The purpose of the utility model is to at least solve the problem of high cost of the existing connection mode of the enameled wire and the motor wire. This purpose is achieved through the following technical solutions:

A first aspect of the present utility model proposes a connection terminal, which is made of conductive material, the connection terminal includes: a first connection part, the first connection part has an accommodating cavity for accommodating pins; a second connection part The second connection part is integrally provided with the first connection part, and the second connection part can fix the motor wire and be electrically connected with the motor wire.

The connection terminal according to the embodiment of the present invention is made of conductive material, and the first connection part of the connection terminal can accommodate the pin. The enameled wire is conductively connected, and at the same time, the second connection part of the terminal can fix the motor wire and is conductively connected with the motor wire. When the motor wire is conductively connected with the second connection part, the motor wire can be conductively connected with the enameled wire. Therefore, the terminal can be The connection between the enameled wire and the motor wire can be realized by replacing the circuit board. Compared with the circuit board, the cost of the terminal is much lower, which can solve the problem of high cost caused by using the circuit board to connect the enameled wire and the motor wire.

In addition, the connection terminal according to the embodiment of the present invention may also have the following additional technical features:

In some embodiments of the present invention, the first connecting portion is a connecting sleeve, and the hollow portion of the connecting sleeve forms the accommodating cavity.

In some embodiments of the present invention, the cross section of the connecting sleeve is square or circular.

In some embodiments of the present invention, the connecting sleeve is a coiled structure, and the end-to-end contact can be opened under the action of an external force.

In some embodiments of the present invention, one or more protrusions are provided on the inner wall of the connecting sleeve, and when there are multiple protrusions, a plurality of the protrusions surround the connecting sleeve The axes are spaced apart.

In some embodiments of the present invention, the extension length of the protrusion in the height direction of the connection sleeve is greater than half of the height of the connection sleeve, and the height of the connection sleeve refers to the height of the connection sleeve in itself Dimensions in the axis direction.

In some embodiments of the present invention, a groove extending along the height direction of the connecting sleeve is provided on the side wall of the connecting sleeve, and the groove communicates with the outside of the connecting sleeve and the accommodating cavity.

In some embodiments of the present invention, the extending length of the groove in the height direction is half of the height of the connecting sleeve, and the height of the connecting sleeve refers to the connecting sleeve in the direction of its own axis size of.

In some embodiments of the present invention, one end of the connection sleeve is formed with an expansion portion extending away from the axis of the connection sleeve.

In some embodiments of the present invention, the second connection portion includes a first rivet piece, and the first rivet piece can be fixed with the metal core of the motor wire in a clamping manner.

In some embodiments of the present invention, the second connection portion further includes a second rivet piece, and the second rivet piece can be fixed to the portion of the motor wire having an insulating skin in a clamping manner.

In some embodiments of the present invention, the second connecting portion is disposed on one side of the connecting sleeve, and a reinforcing structure is formed at the connecting portion of the second connecting portion and the connecting sleeve.

A second aspect of the present utility model provides a motor, comprising: a motor wire; an enameled wire; a pin, the enameled wire is wound around the pin; the terminal in any of the above embodiments, the pin and The motor wires are connected through the connection terminals.

According to the motor of the embodiment of the present invention, the connection between the enameled wire and the motor wire is realized by the terminal, which can significantly reduce the production cost of the motor compared to the way of using the expensive circuit board to realize the connection between the enameled wire and the motor wire.

Description of drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The accompanying drawings are only for the purpose of illustrating the preferred embodiments, and are not considered to be a limitation of the present invention. The same reference numerals are used to refer to the same parts throughout the drawings. In the attached image:

Fig. 1 is the connection structure schematic diagram of existing enameled wire and motor wire;

2 is a schematic structural diagram of a connection terminal according to an embodiment of the present invention;

3 is a schematic structural diagram of the wiring terminal according to the embodiment of the present invention from another perspective;

4 is a schematic diagram of the terminal in use state (before the first connecting part is inserted into the pin) according to the embodiment of the present invention;

FIG. 5 is a schematic diagram of the connection terminal of the embodiment of the present invention in a state of use.

The symbols in the accompanying drawings are indicated as follows:

200ˊ: motor wire;

300ˊ: enameled wire;

400ˊ: pin;

600ˊ: circuit board;

700ˊ: Solder;

100: terminal;

10: first connecting part, 101: protrusion, 102: groove, 103: expansion part;

20: the second connection part, 201: the first rivet piece, 202: the second rivet piece, 203: the reinforcement structure;

200: motor wire;

210: metal core, 220: insulating skin;

300: enameled wire;

400: pin;

500: Pin base.

Detailed ways

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that the present disclosure will be more thoroughly understood, and will fully convey the scope of the present disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. As used herein, the singular forms "a," "an," and "the" can also be intended to include the plural forms unless the context clearly dictates otherwise. The terms "comprising", "comprising", "containing" and "having" are inclusive and thus indicate the presence of stated features, steps, operations, elements and/or components, but do not preclude the presence or addition of one or Various other features, steps, operations, elements, components, and/or combinations thereof. Method steps, procedures, and operations described herein are not to be construed as requiring that they be performed in the particular order described or illustrated, unless an order of performance is explicitly indicated. It should also be understood that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be restricted by these terms. These terms may only be used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of example embodiments.

For ease of description, spatially relative terms may be used herein to describe the relationship of one element or feature to another element or feature as shown in the figures, such as "inner", "outer", "inner" ", "outside", "below", "below", "above", "above", etc. This spatially relative term is intended to include different orientations of the device in use or operation other than the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "above the other elements or features" above features". Thus, the example term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

As shown in FIG. 1 to FIG. 5 , an embodiment of the first aspect of the present invention provides a connection terminal 100, which is made of conductive material (such as copper, aluminum and other metal conductive materials), and the connection terminal 100 includes a first connection portion 10 and the second connection part 20, wherein the first connection part 10 has an accommodation cavity for accommodating the pin 400, the second connection part 20 is integrally provided with the first connection part 10, and the second connection part 20 can fix the motor wire 200 And it is conductively connected with the motor wire 200 .

The connecting terminal 100 according to the embodiment of the present invention is made of conductive material, and the first connecting portion 10 of the connecting terminal 10 can accommodate the pins 400 . The enameled wire 300 wound on the pin 400 is conductively connected, and at the same time, the second connection portion 20 of the terminal 100 can fix the motor wire 200 and is conductively connected to the motor wire 200. After the motor wire 200 is conductively connected to the second connection portion 20, The motor wire 200 can be conductively connected with the enameled wire 300. Therefore, the terminal 100 can replace the circuit board to realize the connection between the enameled wire 300 and the motor wire 200. Compared with the circuit board, the cost of the terminal 100 is much lower, which can solve the problem. The problem of high cost caused by using the circuit board to connect the enameled wire 300 and the motor wire 200 .

In some embodiments of the present invention, the first connecting part 10 is a connecting sleeve, the hollow part of the connecting sleeve forms a accommodating cavity, and the connecting sleeve is used as the first connecting part 100, and the pins 400 can be inserted into the connecting sleeve more conveniently, so , which is beneficial to improve the connection efficiency between the pin 400 and the first connection part 10 . It is easy to understand that, in order to make the pin 400 and the first connection part 100 be connected stably, after the pin 400 is inserted into the connection sleeve, the top of the first connection part 100 needs to be soaked in tin, so as to ensure the first connection part 10. A firm and reliable conductive connection between the pin 400 and the enameled wire 300.

In other embodiments of the present invention, the first connecting portion 10 may also be a connecting cylinder with one end closed and one end open. The hollow structure of the connecting cylinder forms a accommodating cavity, and the pin 400 can be inserted into the first connecting portion 10 from the open end. . After the pin 400 is inserted into the connection barrel, molten solder can be dropped into the barrel from the open end of the connection barrel to form a firm and reliable conductive connection between the pin 400 and the connection barrel.

In some embodiments of the present invention, the cross-section of the connecting sleeve may be square, circular or other shapes, as long as it can enclose an accommodating cavity.

In some embodiments of the present invention, the connecting sleeve is a winding structure, and the head and tail contacts can be opened under the action of external force. In this case, the volume of the accommodating cavity can be increased by opening the connecting sleeve. , so that the case where the pin 400 is relatively thick can be accommodated.

In some embodiments of the present invention, one or more protrusions 101 are provided on the inner wall of the connecting sleeve. The function of the protrusions 101 is to reduce the gap between the pin 400 and the inner wall of the connecting sleeve. When the height is appropriate, the pin 400 can be inserted into the connection sleeve and be in contact or semi-contact with the protrusion 101. At this time, the protrusion 101 can form a certain frictional force on the pin 400, so that the pin 400 can pass through the solder. It is not easy to slip out of the accommodating cavity before being fixed with the connecting sleeve.

Further, in the case of a plurality of protrusions 101, the plurality of protrusions 101 are distributed at intervals around the axis of the connecting sleeve, and the specific distribution method may depend on the number of protrusions 101. For example, when the protrusions 101 are two When there are three protrusions 101, the two protrusions 101 can be arranged oppositely, so that the two protrusions 101 can be used to form a certain clamping effect on the pins 400. When there are three protrusions 101, the three protrusions Two of the protrusions 101 may be disposed oppositely, and the third protrusion 101 may be distributed at equal intervals with the two protrusions 101 disposed opposite to each other.

In some embodiments of the present invention, the extension length of the protrusions 101 in the height direction of the connecting sleeve is greater than half of the height of the connecting sleeve, and the height of the connecting sleeve refers to the dimension of the connecting sleeve in the direction of its own axis. The pin 400 is uniformly stressed within a certain length range, and the pin 400 is prevented from being deflected or bent due to uneven stress.

In some embodiments of the present invention, a groove 102 extending along the height direction of the connecting sleeve is provided on the side wall of the connecting sleeve. The groove 102 communicates with the outside of the connecting sleeve and the accommodating cavity. The function of the groove 101 is to facilitate the The molten solder enters the inside of the connection sleeve, so that the pins 400 are well combined with the connection sleeve.

In some embodiments of the present invention, the extension length of the groove 102 in the height direction of the connecting sleeve is about half of the height of the connecting sleeve, and the height of the connecting sleeve refers to the dimension of the connecting sleeve in the direction of its own axis, thus , it can be ensured that about half the length of the connection sleeve is combined with the pin 400 by soldering, thereby enhancing the connection stability of the pin 400 and the connection sleeve.

In some embodiments of the present invention, one end of the connection sleeve is formed with an expansion part 103 extending away from the axis of the connection sleeve. The expansion part 103 can make the pin 400 enter the accommodating cavity more easily. In addition, the expansion part 103 The existence of the pin 400 can provide a larger distance between the pin 400 and the end edge of the connection sleeve, so as to prevent the enameled wire 300 wound on the pin 400 from being scraped off by the end of the connection sleeve during the insertion of the pin 400 into the connection sleeve.

In some embodiments of the present invention, the second connection portion 20 includes a first rivet piece 201 , and the first rivet piece 201 can be fixed with the metal core 210 of the motor lead 200 in a clamping manner. It is easy to understand that the first rivet piece 201 can be deformed under the action of an external force, so as to clamp the metal core 210 , wherein the external force can be applied to the first rivet piece by a person, for example, through pliers.

In some embodiments of the present invention, the second connection part 20 may further include a second rivet piece 202 , and the second rivet piece 202 can be fixed to the part of the motor wire 200 with the insulating skin 220 in a clamping manner. The arrangement of the second rivet piece 202 can further improve the connection stability between the second connection portion 20 and the motor wire 200 , wherein the connection between the first rivet piece 201 and the metal core 210 can ensure the connection between the terminal 100 and the motor wire 200 The second rivet piece 202 is fixed to the part of the motor wire 200 with the insulating skin 220, so that the second connection part 20 and the motor wire 200 can be firmly connected physically.

In some embodiments of the present invention, the second connecting portion 20 is disposed on one side of the connecting sleeve, and a reinforcing structure 203 is formed at the connecting portion of the second connecting portion 20 and the connecting sleeve. The reinforcing structure 203 can improve the strength of the terminal 100 Structural strength, to avoid breakage of the connecting portion between the second connecting portion 20 and the first connecting portion 10 .

Further, the reinforcing structure 203 may be a reinforcing rib disposed between the second connecting portion 20 and the connecting sleeve, or may be a section extending the connecting portion of the second connecting portion 20 and the connecting sleeve along the height direction of the connecting sleeve, by This forms a reinforcing structure.

The embodiment of the second aspect of the present invention proposes a motor, which includes a motor lead 200 , an enameled wire 300 , a pin 400 and the terminal 100 in any of the above embodiments, wherein the enameled wire 300 is wound around the pin 400 , the pin 400 and the motor wire 200 are connected through the terminal 100 .

According to the motor of the embodiment of the present invention, the connection terminal 100 is used to realize the connection between the enameled wire 300 and the motor lead 200, which can significantly reduce the production of the motor compared to the method of using a circuit board with high cost to realize the connection between the enameled wire 300 and the motor lead 200. cost.

Further, the other end of the pin 400 is installed on the pin base 500, the pin base 500 is fixed on the fixed part of the motor, and the pin base 500 is used to fix the pin 400, so that the pin 400 is stably installed on the motor. motor.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. The changes or replacements should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims (13)

1. A terminal block made of a conductive material, the terminal block comprising:

the first connecting part is provided with an accommodating cavity for accommodating a contact pin;

the second connecting portion with first connecting portion an organic whole sets up, the second connecting portion can fixed motor wire and with motor wire conductive connection.

2. The connection terminal according to claim 1, wherein the first connection portion is a connection sleeve, and a hollow portion of the connection sleeve forms the receiving cavity.

3. A terminal according to claim 2, wherein the cross-section of the connecting sleeve is square or circular.

4. The connecting terminal according to claim 2 or 3, wherein the connecting sleeve is of a winding structure, and the head-to-tail contact part can be opened under the action of external force.

5. A connecting terminal according to claim 2 or 3, wherein one or more protrusions are provided on the inner wall of the connecting sleeve, and in the case of a plurality of protrusions, the plurality of protrusions are spaced around the axis of the connecting sleeve.

6. A connecting terminal according to claim 5, characterized in that the extension length of the protrusion in the height direction of the connecting sleeve is greater than half of the height of the connecting sleeve, and the height of the connecting sleeve refers to the dimension of the connecting sleeve in the direction of the axis of the connecting sleeve.

7. The connection terminal according to claim 2 or 3, wherein a groove extending in a height direction of the connection sleeve is provided on a side wall of the connection sleeve, the groove communicating an outside of the connection sleeve with the accommodation chamber.

8. The connecting terminal according to claim 7, wherein the extension length of the groove in the height direction is half of the height of the connecting sleeve, and the height of the connecting sleeve refers to the dimension of the connecting sleeve in the axis direction.

9. A terminal block according to claim 2 or 3, wherein one end of the connecting sleeve is formed with an expanded portion extending in a direction away from the axis of the connecting sleeve.

10. A terminal according to any one of claims 1 to 3, wherein the second connecting portion comprises a first rivet, which is fixable in a clamping manner with a metal core of the motor wire.

11. The connection terminal according to claim 10, wherein the second connection portion further includes a second rivet that is fixable with the portion of the motor wire having the insulating sheath in a clamping manner.

12. A connection terminal according to claim 2 or 3, wherein the second connection portion is provided at one side of the connection sleeve, and a reinforcing structure is formed at a connection portion of the second connection portion and the connection sleeve.

13. An electric machine, comprising:

a motor lead;

enamelled wires;

the enameled wire is wound on the contact pin;

the connection terminal according to any one of claims 1 to 12, the contact pin and the motor lead being connected by the connection terminal.

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