Pluggable connecting terminal and connecting sleeve thereof

Abstract

The utility model belongs to the technical field of connectors, and particularly relates to a plug-in type connecting terminal and a connecting sleeve thereof, the plug-in type connecting terminal comprises a terminal body, the terminal body comprises a plug-in part and a connecting part, one end of the plug-in part is connected with one end of the connecting part, the connecting part is used for being connected with a wire, and the plug-in part is used for being matched with another plug-in terminal. The pulling and inserting part comprises a pulling and inserting sleeve, a pulling and inserting hole is formed in the pulling and inserting sleeve, the pulling and inserting hole transversely penetrates through the pulling and inserting sleeve, and the center line of the pulling and inserting hole and the center line of the pulling and inserting sleeve are located on the same straight line. A receding groove is further formed in the side edge of the pulling and inserting sleeve and communicated with the pulling and inserting hole, and the receding groove transversely penetrates through the pulling and inserting sleeve. The connecting part comprises an arc connecting plate, one end of the arc connecting plate is connected with one end of the plugging sleeve, and the radian of the arc connecting plate is equal to that of the plugging sleeve. Through the design, the gold plating quality and uniformity of the terminal can be improved, the connection reliability of the hearing aid terminal can be further improved, and the user experience is ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to connector technical field especially, it is a kind of plug-in connection terminal and its connecting sleeve. BACKGROUND

[0002] With the continuous progress of hearing aid technology and people pay more and more attention to hearing health, the reliability and comfort of hearing aid become the focus of researchers. Hearing aid can better help hearing impaired people to restore normal life through its precise electronic components and design. However, these precision components contact with external environment, must have excellent durability and corrosion resistance, to maintain its long time optimal working condition. Terminal is an important part of hearing aid, mainly used for connecting other electronic components, signal transmission. However, the traditional material is susceptible to external environment corrosion in the process of long time use, leading to the working performance of hearing aid to decline. Therefore, it is particularly important to find a kind of material and process that can improve the stability and corrosion resistance of terminal.

[0003] In order to make hearing aid maintain good performance in various environments, many researches are devoted to improve the manufacturing technology of hearing aid terminal. Gold plating as a common surface treatment process, can effectively improve the corrosion resistance and oxidation resistance of metal surface, because it can form a very dense gold layer on the surface of metal, this gold layer not only can protect the internal metal from corrosion, but also can effectively reduce the wear between contacts, so as to improve the service life of terminal and the stability of signal transmission. Especially in precision equipment such as hearing aid, this surface treatment technology is particularly important. Gold plating layer not only can prevent the oxidation and corrosion of metal surface, but also can improve the conductivity, so that the signal transmission is more stable and reliable.

[0004] However, in the process of gold plating of these small terminals, two main problems are often encountered: one is that the gold plating layer may block the plug-in hole of the terminal, resulting in insufficient coverage of the gold plating layer on the inner side wall when the terminal is plugged in; The second is that the gold plating layer may become too thick, so that the female terminal after gold plating cannot be smoothly matched with the male terminal, affecting the normal work of hearing aid. Therefore, a new plug-in terminal needs to be developed to increase the success rate of terminal gold plating. SUMMARY

[0005] The utility model aims at providing a kind of plug-in connection terminal, it is aimed at solving the gold plating layer in prior art may block the plug-in hole of terminal, resulting in insufficient coverage of the gold plating layer on the inner side wall when the terminal is plugged in;Gold plating layer may also become too thick, so that the female terminal after gold plating cannot be smoothly matched with the male terminal, affect the normal work of hearing aid technical problem.

[0006] To achieve the above object, the utility model embodiment provides a kind of plug-in connection terminal, including terminal body, terminal body includes plug-in part and connecting part, one end of plug-in part is connected with one end of connecting part, connecting part is used to be connected with wire, plug-in part is used to be matched with another plug-in terminal.The plug-in part includes plug-in sleeve, plug-in sleeve is equipped with a plug-in hole, plug-in hole transversely penetrates plug-in sleeve and the center line of plug-in hole and the center line of plug-in sleeve are on the same straight line.The side of plug-in sleeve is further equipped with a clearance groove, the clearance groove is communicated with plug-in hole, and the clearance groove transversely penetrates plug-in sleeve.The connecting part includes circular arc connecting plate, one end of circular arc connecting plate is connected with one end of plug-in sleeve, and the radian of circular arc connecting plate is equal to the radian of plug-in sleeve.

[0007] Further, the clearance groove includes a first section, a second section, a third section, a first bending section and a second bending section. The first section is provided at one end of the plug-in sleeve, and the third section is provided at the other end of the plug-in sleeve. The first section and the third section are located on the same straight line. The second section is provided between the first section and the second section, and the second section is parallel to the first section and the third section. One end of the first bending section is connected to one end of the first section, and the other end of the first bending section is connected to one end of the second section. One end of the second bending section is connected to one end of the third section, and the other end of the second bending section is connected to the other end of the second section. The first bending section is parallel to the second bending section.

[0008] The utility model embodiment further provides a kind of connecting sleeve, including plug-in connection terminal, further including installation sleeve, installation sleeve is equipped with two installation holes, installation hole penetrates installation sleeve, and installation hole is used to install plug-in connection terminal.

[0009] Further, the installation hole includes a circular arc hole and a placement hole. One end of the placement hole is communicated with one end of the circular arc hole. The circular arc hole is for the circular arc connecting plate to pass through. The placement hole is used to place the plug-in sleeve.

[0010] Further, the plug-in sleeve is provided with a fixing hole on one side. The fixing hole is communicated with the plug-in hole. The side of the installation sleeve is provided with a avoiding hole. The avoiding hole is communicated with the placement hole and located on one side of the fixing hole.

[0011] Further, it further includes a fixing block. One end of the fixing block extends outwardly and is provided with a shaped boss. The shaped boss is sequentially arranged in the plug-in sleeve through the avoiding hole and the fixing hole.

[0012] Further, the side end of the installation sleeve is provided with a placement groove. The placement groove is used to place the fixing block.

[0013] The plug-in connection terminal and the connecting sleeve thereof provided by the embodiment of the utility model have at least one of the following technical effects: a hollow groove is arranged on the side of the plug-in sleeve, so that the gold plating liquid can flow to the inner side wall of the plug-in hole more smoothly during the gold plating process, and the insufficient gold plating layer of the inner side wall is effectively avoided. Meanwhile, the side groove also provides a certain elastic space for the terminal, when the female terminal and the male terminal after gold plating need to be matched, the side groove can reduce the discomfort caused by the too thick metal layer, improve the flexibility and stability of the matching between the terminals, thereby ensuring the overall performance of the hearing aid, and the arc connecting plate is directly connected with the wire and then welded. Through the design, the quality and uniformity of the terminal gold plating can be improved, and the connection reliability of the hearing aid terminal can be further improved, so that the hearing experience of the user is not affected. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor under the premise of the drawings.

[0015] Figure 1 The structure diagram of the plug-in connection terminal provided by the embodiment of the utility model.

[0016] Figure 2 The explosion diagram of the plug-in connection terminal and the connecting sleeve thereof provided by the embodiment of the utility model.

[0017] Figure 3 The structure diagram of the connecting sleeve provided by the embodiment of the utility model.

[0018] Figure 4 Another structure diagram of the connecting sleeve provided by the embodiment of the utility model.

[0019] The drawings show that: 100, terminal body; 200, plug-in part; 210, plug-in sleeve; 211, plug-in hole; 212, hollow groove; 213, first section; 214, second section; 215, third section; 216, first bending section; 217, second bending section; 218, fixing hole; 300, connecting part; 310, arc connecting plate; 400, mounting sleeve; 410, mounting hole; 411, arc hole; 412, placing hole; 420, avoiding hole; 430, placing groove; 500, fixing block; 510, shaped boss. DETAILED DESCRIPTION

[0020] The embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary, and are intended to explain the embodiments of the present application, and cannot be understood as a limitation of the present application.

[0021] In the description of the embodiments of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only intended to facilitate the description of the embodiments of the present application and simplify the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0022] In addition, the terms "first", "second" are only for descriptive purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0023] In the embodiments of the present application, unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0024] In one embodiment of the present application, reference is made to Figure 1To achieve the above object, the utility model provides a kind of plug-in connection terminal, including terminal body 100, terminal body 100 includes plug-in part 200 and connecting part 300, one end of plug-in part 200 is connected with one end of connecting part 300, connecting part 300 is used to be connected with wire, plug-in part 200 is used to be matched with another insertion terminal.The plug-in part 200 includes plug-in sleeve 210, plug-in hole 211 is equipped in plug-in sleeve 210, plug-in hole 211 transversely penetrates plug-in sleeve 210 and the center line of plug-in hole 211 and the center line of plug-in sleeve 210 are located on the same straight line.The side of plug-in sleeve 210 is also equipped with a void slot 212, void slot 212 is communicated with plug-in hole 211, and void slot 212 transversely penetrates plug-in sleeve 210.Connecting part 300 includes circular arc connecting plate 310, one end of circular arc connecting plate 310 is connected with one end of plug-in sleeve 210, and the radian of circular arc connecting plate 310 is equal to the radian of plug-in sleeve 210.In the embodiment, a void slot 212 is opened in the side of plug-in sleeve 210, so that the gold plating solution can flow more smoothly to the inner side wall of plug-in hole 211 during gold plating process, effectively avoiding the insufficient gold plating layer of inner side wall.At the same time, the existence of side groove also provides a certain elastic space for terminal, when female terminal and male terminal need to cooperate after gold plating, side groove can reduce the discomfort caused by too thick metal layer, improve the flexibility and stability of terminal cooperation, so as to ensure the overall performance of hearing aid, and circular arc connecting plate 310 is directly connected with wire and then welded.Through such design, not only the quality and uniformity of terminal gold plating can be improved, but also the connection reliability of hearing aid terminal can be further improved, to ensure that the hearing experience of user is not affected.

[0025] Specifically, referring to Figure 1As shown, the clearance groove 212 includes a first section 213, a second section 214, a third section 215, a first bent section 216, and a second bent section 217. The first section 213 is located at one end of the insertion sleeve 210, and the third section 215 is located at the other end of the insertion sleeve 210, with the first section 213 and the third section 215 on the same straight line. The second section 214 is located between the first section 213 and the second section 215, and the second section 214 is parallel to the first section 213 and the third section 215. One end of the first bent section 216 is connected to one end of the first section 213, and the other end is connected to one end of the second section 214. One end of the second bent section 217 is connected to one end of the third section 215, and the other end is connected to the other end of the second section 214, with the first bent section 216 and the second bent section 217 being parallel to each other. In this embodiment, when the female terminal and the male terminal are engaged, the gap of the clearance groove 212 increases, thereby increasing the friction between the female terminal and the male terminal. The first bending section 216 and the second bending section 217 are perpendicular to the first section 213, the second section 214 and the third section 215, so that the clearance groove 212 will only deform along the direction of the first bending section 216 and the second bending section 217 during the deformation process, thus avoiding irreversible deformation of the insertion sleeve 210.

[0026] This utility model also provides a connecting sleeve, see reference. Figures 1-4 As shown, the device includes plug-in connectors and a mounting sleeve 400. The mounting sleeve 400 has two mounting holes 410 that penetrate the mounting sleeve 400 and are used to mount the plug-in connectors. In this embodiment, the plug-in connectors on the two mounting holes 410 are connected to the positive and negative terminals, respectively.

[0027] Specifically, refer to Figures 1-4 As shown, the mounting hole 410 includes an arc-shaped hole 411 and a placement hole 412. One end of the placement hole 412 communicates with one end of the arc-shaped hole 411. The arc-shaped hole 411 allows the arc-shaped connecting plate 310 to pass through, and the placement hole 412 is used to place the plug-in sleeve 210. In this embodiment, the arc-shaped hole 411 allows the arc-shaped connecting plate 310 to pass through and then be soldered to the wire. The plug-in sleeve 210 is disposed in the placement hole 412 for connection with the corresponding male terminal.

[0028] Specifically, refer to Figures 1-4 As shown, a fixing hole 218 is provided on one side of the plug-in sleeve 210, and the fixing hole 218 communicates with the plug-in hole 211. A clearance hole 420 is provided on the side of the mounting sleeve 400, and the clearance hole 420 communicates with the placement hole 412 and is located on one side of the fixing hole 218. In this embodiment, the fixing hole 218 and the clearance hole 420 correspond to each other to ensure that the plug-in connector terminal is correctly positioned in the placement hole 412.

[0029] Specifically, refer to Figures 1-4As shown, the fixing block 500 has a shaped boss 510 extending outward at one end, and the shaped boss 510 is arranged in the pull-out sleeve 210 through the avoiding hole 420 and the fixing hole 218. In this embodiment, the shaped boss 510 is arranged in the pull-out sleeve 210 through the avoiding hole 420 and the fixing hole 218 to fix the pull-out sleeve 210, so that the pull-out connection terminal is prevented from loosening in the mounting hole 410 and affecting the connection effect.

[0030] Specifically, referring to Figures 1-4 As shown, the side end of the mounting sleeve 400 is provided with a placing groove 430 for placing the fixing block 500. In this embodiment, the placing groove 430 is used for placing the fixing block 500, so that the appearance of the mounting sleeve 400 is more flat, and space is saved.

[0031] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A pluggable connector terminal, characterized in that: The device includes a terminal body, which comprises a plug-in portion and a connecting portion. One end of the plug-in portion is connected to one end of the connecting portion. The connecting portion is used to connect to a wire, and the plug-in portion is used to mate with another insertion terminal. The plug-in portion includes a plug-in sleeve with a plug-in hole inside. The plug-in hole extends laterally through the plug-in sleeve, and the center line of the plug-in hole is on the same straight line as the center line of the plug-in sleeve. A clearance groove is also provided on the side of the plug-in sleeve, which communicates with the plug-in hole and extends laterally through the plug-in sleeve. The connecting portion includes an arc-shaped connecting plate, one end of which is connected to one end of the plug-in sleeve, and the arc of the arc-shaped connecting plate is equal to the arc of the plug-in sleeve.

2. The plug-in connector terminal according to claim 1, characterized in that: The clearance groove includes a first section, a second section, a third section, a first bending section, and a second bending section; the first section is located at one end of the insertion sleeve, the third section is located at the other end of the insertion sleeve, and the first section and the third section are located on the same straight line; the second section is located between the first section and the second section, and the second section is parallel to the first section and the third section; one end of the first bending section is connected to one end of the first section, and the other end is connected to one end of the second section; one end of the second bending section is connected to one end of the third section, and the other end is connected to the other end of the second section; the first bending section and the second bending section are parallel to each other.

3. A connecting sleeve, comprising the plug-in connecting terminal as described in any one of claims 1 to 2, characterized in that: It also includes a mounting sleeve with two mounting holes that penetrate the mounting sleeve and are used to install the plug-in connector terminal.

4. The connecting sleeve according to claim 3, characterized in that: The mounting hole includes an arc-shaped hole and a placement hole. One end of the placement hole is connected to one end of the arc-shaped hole. The arc-shaped hole allows the arc-shaped connecting plate to pass through, and the placement hole is used to place the plug-in sleeve.

5. The connecting sleeve according to claim 4, characterized in that: The plug-in sleeve has a fixing hole on one side, which communicates with the plug-in hole; the mounting sleeve has an clearance hole on its side, which communicates with the placement hole and is located on one side of the fixing hole.

6. The connecting sleeve according to claim 5, characterized in that: It also includes a fixing block, one end of which extends outward and is provided with a shaped boss. The shaped boss passes through the clearance hole and the fixing hole in sequence and is disposed inside the insertion sleeve.

7. The connecting sleeve according to claim 6, characterized in that: The mounting sleeve has a placement groove on its side, which is used to place the fixing block.

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