High-strength miniaturized single-core female end and connector with same

Abstract

The utility model discloses a high-strength miniaturized single-core female terminal, which comprises a female rubber shell, the middle part of the female rubber shell is provided with a through plugging groove, the rear end of the plugging groove is provided with a first terminal, the first terminal is provided with a clamping groove opposite to the plugging groove, the plugging groove is flat, and the clamping groove is provided with a clamping groove opposite to the plugging groove. The peripheral wall of the female rubber shell located in the plug-in groove is a solid wall, and the front end of the female rubber shell located in the plug-in groove is provided with a recessed chamfer groove. The plugging groove of the female rubber shell is arranged to be of a surrounding structure, and under the condition that the first terminal is kept unchanged, a finished product is lower than an existing product in height, more uniform in wall thickness and higher in stability and strength, and the plugging service life is prolonged; and meanwhile, through the arrangement of the clamping groove and the plugging groove of the first terminal, the clamping stability of the female rubber shell on the second terminal can be improved, the looseness in use is avoided, the anti-vibration function is improved, and the use stability is improved.

Description

Technical Field

[0001] The utility model relates to the field of connectors, in particular to a high-strength miniaturized single-core female end and a connector having the same. Background Art

[0002] The existing single-core female connector (i.e., single terminal) adopts an open plug-in structure (mainly for easy alignment) in the design of the plug-in slot of the female rubber shell, and generally has symmetrical through slots in the horizontal position.

[0003] In practice, increasing the wall thickness of the female connector shell to effectively enhance its insertion and extraction strength is often done (primarily to increase the clamping strength of the male connector socket). However, this approach has certain drawbacks. The uneven increase in wall thickness results in an uneven overall material quality. This results in a larger connector than a more rationally designed design, occupying more space.

[0004] Its main structural disadvantage is that there is a gap in the contact area between the female rubber shell and the terminal, which results in less support for the male terminal in the gap, affecting the stability of plugging and unplugging.

[0005] The height will also exceed expectations, which may cause inconvenience in some scenarios with strict height requirements. At the same time, the weight will also be relatively large, which not only increases transportation costs but also imposes many restrictions in some scenarios with strict weight restrictions. Utility Model Content

[0006] The main purpose of the utility model is to propose a high-strength miniaturized single-core female end and a connector having the same, aiming to improve the female rubber shell structure of the single-core connector. While keeping the terminal unchanged, the finished product is lower in height than the existing product, has a uniform wall thickness, has higher stability and strength, and increases the plugging and unplugging life.

[0007] To achieve the above purpose, the present invention proposes a high-strength miniaturized single-core female end, comprising a female rubber shell,

[0008] The middle of the mother rubber shell is provided with a through-connecting slot, the rear end of the connecting slot is provided with a first terminal, and the first terminal is provided with a clamping slot opposite to the connecting slot.

[0009] The plug-in slot is flat, the outer peripheral wall of the mother rubber shell located in the plug-in slot is a solid wall, and the front end of the mother rubber shell located in the plug-in slot is provided with a concave chamfered groove.

[0010] Specifically, a positioning portion extends downward from the chamfered groove.

[0011] Specifically, the first terminal includes two oppositely arranged clamping parts, the middle parts of the two clamping parts are integrally bent through a connecting part, the opposite walls of the two clamping parts are provided with elastic parts that cooperate with each other, the end walls of the two elastic parts are in contact with each other, and the sides of the two clamping parts away from the connecting part are provided with deformation grooves.

[0012] Specifically, the rear end of the clamping portion is provided with at least two welding feet, and the welding feet are bent.

[0013] Specifically, the clamping portion, the elastic portion, the welding foot and the connecting portion are integrally bent and formed.

[0014] Specifically, the mother rubber shell is provided with an inner cavity, the first terminal is clamped in the inner cavity, the connecting portion is provided with a clamping portion protruding outward, and the mother rubber shell is provided with a clamping groove matched with the clamping portion.

[0015] The mother rubber shell comprises an upper section and a lower section, and the outer diameter of the lower section or the outer diameter in any direction thereof is larger than the outer diameter of the upper section.

[0016] A connector includes the above-mentioned female end and a male plastic shell, the male plastic shell is provided with a second terminal, the second terminal is flat, and the second terminal extends into the clamping groove after passing through the plug-in slot; the male plastic shell is provided with a first boss that matches the chamfered groove.

[0017] Specifically, the rear end wall of the female rubber shell and the rear end wall of the male rubber shell are respectively provided with positioning feet.

[0018] Specifically, a limiting portion is provided at the rear end of the second terminal, the limiting portion is clamped on the male plastic shell, the male plastic shell and the second terminal are integrally injection-molded, and a second boss is provided at the rear end of the male plastic shell located on the outer periphery of the second terminal.

[0019] In the actual design, the plug-in slot of the mother rubber shell is set into an enclosing structure. While keeping the first terminal unchanged, the finished product is lower in height than the existing product (that is, the thickness of the existing mother rubber shell can be reduced and the lateral length can be increased), and the wall thickness is more uniform, with higher stability and strength, and the plug-in life is increased; at the same time, the setting of the clamping groove of the first terminal and the plug-in slot can increase the clamping stability of the mother rubber shell on the second terminal, avoid loosening during use, improve the anti-vibration function, and improve the stability of use.

[0020] The overall material consumption of the masterbatch shell is less, which reduces the production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 For the utility model explosion Figure 1 ;

[0022] Figure 2 For the utility model explosion Figure 2 ;

[0023] Figure 3 This utility model is a cross-sectional view Figure 1 ;

[0024] Figure 4 This utility model is a cross-sectional view Figure 2 ;

[0025] Figure 5 It is a three-dimensional schematic diagram of the utility model.

[0026] In the figure,

[0027] 1 is the mother shell, 10 is the plug slot, 11 is the inner cavity,

[0028] 2 is the first terminal, 20 is the clamping groove, 2a is the clamping part, 2b is the connecting part, 2c is the elastic part, 2d is the deformation groove, 2e is the welding foot,

[0029] 3 is the male plastic shell,

[0030] 4 is the second terminal, 4a is the limiting part,

[0031] 5 is a chamfered groove, 5a is a positioning portion, 51 is a first boss, 52 is a second boss,

[0032] 61 is the card portion, 62 is the card slot,

[0033] 7 is the positioning foot. DETAILED DESCRIPTION

[0034] The following will be combined with the accompanying drawings to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0035] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial...), then the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0036] In addition, if there are descriptions involving "first" or "second" in the embodiments of the present invention, the descriptions of "first" or "second" are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features specified as "first" or "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that ordinary technicians in this field can implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0037] like Figures 1 to 5 As shown, a connector includes:

[0038] A female rubber shell 1 is provided with a plug-in slot 10 extending through the middle of the female rubber shell 1. The plug-in slot 10 is flat. A first terminal 2 is provided at the rear end of the plug-in slot 10. The first terminal 2 is provided with a clamping slot 20 opposite to the plug-in slot 10. The outer peripheral wall of the female rubber shell 1 located at the plug-in slot 10 is a solid wall.

[0039] The male plastic shell 3 is provided with a second terminal 4 . The second terminal 4 is flat. The second terminal 4 passes through the plug-in slot 10 and extends into the clamping slot 20 .

[0040] In the actual design, the plug-in slot 10 of the mother rubber shell 1 is set to an enclosing structure. While keeping the first terminal 2 unchanged, the finished product is lower in height than the existing product (that is, the thickness of the existing mother rubber shell 1 can be reduced and the lateral length can be increased), and the wall thickness is more uniform, with higher stability and strength, and the plug-in life is increased; at the same time, the arrangement of the clamping groove 20 of the first terminal 2 and the plug-in slot 10 can increase the clamping stability of the mother rubber shell 1 on the second terminal 4, avoid loosening during use, improve anti-vibration function, and improve stability in use.

[0041] The overall material consumption of the masterbatch shell 1 is small, thus reducing production costs.

[0042] Specifically, the female rubber shell 1 is provided with a concave chamfered groove 5 at the front end of the plug-in slot 10 , and the male rubber shell 3 is provided with a first boss 51 that matches the chamfered groove 5 .

[0043] Through the cooperation of the chamfered groove 5 and the second boss 52, on the one hand, the fit with the female rubber shell 1 and the male rubber shell 3 is improved, and on the other hand, the strength is increased. At the same time, it also plays a limiting role on the second terminal 4, further limiting the shaking of the male terminal due to environmental influences after insertion, thereby improving stability.

[0044] In the embodiment of the present invention, the chamfered groove 5 has a positioning portion 5a extending downward. The positioning portion 5a extending downward can improve the fit between the first terminal and the female plastic shell 1, thereby increasing the tightness and strength.

[0045] Specifically, the first terminal 2 includes two opposing clamping portions 2a, with a connecting portion 2b integrally bent between the two clamping portions 2a. Opposing walls of the two clamping portions 2a are provided with cooperating elastic portions 2c, with the end walls of the two elastic portions 2c abutting against each other. Deformation grooves 2d are provided on the sides of the two clamping portions 2a away from the connecting portion 2b. This effectively ensures the clamping of the second terminal 4 and provides enhanced structural stability. The deformation grooves 2d provide a deformation range for the two elastic portions 2c.

[0046] In the embodiment of the present invention, the rear end of the clamping portion 2a is provided with at least two welding legs 2e, which are bent, thereby effectively increasing the welding area and welding stability, and improving the stability of the mother rubber shell 1 after installation.

[0047] Specifically, the clamping portion 2a, the elastic portion 2c, the solder foot 2e and the connecting portion 2b are integrally bent and formed, and a single metal sheet is used to form the first terminal 2, which can effectively reduce metal fatigue and improve stability in use.

[0048] In an embodiment of the present utility model, the female rubber shell 1 is provided with an inner cavity 11, the first terminal 2 is clamped in the inner cavity 11, the connecting portion 2b is provided with a clamping portion 61 protruding outward, and the female rubber shell 1 is provided with a clamping groove 62 that cooperates with the clamping portion 61, thereby achieving a tight fit between the first terminal 2 and the female rubber shell 1.

[0049] Specifically, the mother rubber shell 1 includes an upper section and a lower section, and the outer diameter of the lower section or the outer diameter in any direction is larger than the outer diameter of the upper section.

[0050] In this embodiment of the present invention, the rear end wall of the female housing 1 and the rear end wall of the male housing 3 are respectively provided with positioning feet 7. The rear end is defined as being away from the plugging direction. The positioning feet 7 can improve the installation stability of the housing and the PCB board or device, reduce the load on the terminal and the mounting area, and improve the installation stability.

[0051] Specifically, a limiting portion 4a is provided at the rear end of the second terminal 4, and the limiting portion 4a is clamped on the male plastic shell 3. The male plastic shell 3 and the second terminal 4 are integrally injection-molded.

[0052] The rear end of the male housing 3 is provided with a second boss 52 on the outer periphery of the second terminal 4. The arrangement of the first boss 51 and the second boss 52 facilitates the placement and positioning of the second terminal 4 on the injection molding device. At the same time, the arrangement of the stopper 4a improves the connection stability between the male housing 3 and the second terminal 4.

[0053] During injection molding, the second terminal 4 can be better placed in the mold for molding, and stress can be effectively dispersed to improve quality and stability. After injection molding, the contact area between the housing and the mold is reduced, and the friction is also reduced, thereby facilitating smooth demoulding.

[0054] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made by using the contents of the present invention specification and drawings under the practical concept of the present invention, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A high-strength miniaturized single-core female end, characterized in that: Including motherboard shell, The middle of the mother rubber shell is provided with a through-connecting slot, the rear end of the connecting slot is provided with a first terminal, and the first terminal is provided with a clamping slot opposite to the connecting slot. The plug-in slot is flat, the outer peripheral wall of the mother rubber shell located in the plug-in slot is a solid wall, and the front end of the mother rubber shell located in the plug-in slot is provided with a concave chamfered groove.

2. The high-strength miniaturized single-core female terminal according to claim 1, characterized in that: A positioning portion is extended downward from the chamfered groove.

3. The high-strength, miniaturized single-core female terminal according to claim 1, wherein: The first terminal includes two oppositely arranged clamping parts, the middle parts of the two clamping parts are bent integrally through a connecting part, the opposite walls of the two clamping parts are provided with elastic parts that cooperate with each other, the end walls of the two elastic parts are in contact with each other, and the sides of the two clamping parts away from the connecting part are provided with deformation grooves.

4. The high-strength miniaturized single-core female terminal according to claim 3, characterized in that: The rear end of the clamping portion is provided with at least two welding legs, and the welding legs are bent.

5. The high-strength miniaturized single-core female terminal according to claim 2, characterized in that: The clamping portion, the elastic portion, the welding foot and the connecting portion are integrally bent and formed.

6. The high-strength miniaturized single-core female terminal according to claim 3, characterized in that: The mother rubber shell is provided with an inner cavity, the first terminal is clamped in the inner cavity, the connecting portion is provided with a clamping portion protruding outward, and the mother rubber shell is provided with a clamping groove matched with the clamping portion.

7. The high-strength miniaturized single-core female terminal according to claim 1, characterized in that: The mother rubber shell comprises an upper section and a lower section, and the outer diameter of the lower section or the outer diameter in any direction thereof is larger than the outer diameter of the upper section.

8. A connector, characterized in that: It comprises the female end and male rubber shell of any one of claims 1-7, wherein the male rubber shell is provided with a second terminal, the second terminal is flat, and the second terminal extends into the clamping groove after passing through the plug-in slot; the male rubber shell is provided with a first boss that matches the chamfered groove.

9. The connector according to claim 8, wherein: The rear end wall of the female rubber shell and the rear end wall of the male rubber shell are respectively provided with positioning feet.

10. The connector according to claim 8, wherein: The rear end of the second terminal is provided with a limiting portion, which is clamped on the male plastic shell. The male plastic shell and the second terminal are integrally injection-molded. The rear end portion of the male rubber shell is located on the outer periphery of the second terminal and is provided with a second boss.

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