Small-size self-adaptive elbow signal connector

Abstract

The utility model relates to the technical field of connectors, in particular to a small-size self-adaptive elbow signal connector. Comprising a first metal shell, a first plastic main body, a plurality of plugging terminals, a second metal shell and an elbow, the second metal shell sleeves the outer side of the first metal shell, and one side, facing the first metal shell, of the second metal shell is provided with a first assembling gap; a buckling groove is formed in the surface of the first assembling notch; the front side of the elbow is provided with a first assembling convex part, the outer side surface of the first assembling convex part is provided with a buckling convex point, and the buckling convex point can be buckled into the buckling groove so as to install the elbow on the first metal shell. Compared with the prior art, the elbow does not need to be welded, on one hand, it can be guaranteed that the joint between the elbow and the first metal shell is not prone to breakage, the use reliability is improved, and the service life is prolonged; and on the other hand, the convenience of elbow assembly can be improved, and elbows with different angles can be replaced conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of connectors, in particular to a small-volume adaptive elbow signal connector. Background Art

[0002] Electronic connectors are generally used for electrical connection between wires. In order to meet installation requirements, elbow connectors are also commonly seen in the market.

[0003] In the prior art, the elbow connector usually includes a connector body and an elbow welded to the connector body. The elbow and the connector body are usually fixedly connected together by welding. When connected by welding, the corner is easy to break when encountering strong external force, which seriously affects the service life and reliability of the elbow connector. At the same time, because the elbow and the connector body are formed together by welding, the elbow of different angles cannot be replaced at any time, and the versatility of use is limited.

[0004] Therefore, it is necessary to study a new technical solution to solve the above problems. Utility Model Content

[0005] In view of this, the present invention aims at the deficiencies in the prior art, and its main purpose is to provide a small-volume adaptive elbow signal connector, which effectively solves the technical defects of the prior art, that is, the elbow connector is unreliable and has poor versatility.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a small-volume adaptive elbow signal connector, comprising a first metal shell, a first plastic body installed in the first metal shell, and a plurality of plug-in terminals embedded in the first plastic body, wherein the first plastic body and the first metal shell form a first plug interface; further comprising a second metal shell and an elbow, wherein the second metal shell is sleeved on the outside of the first metal shell, and a first assembly notch is provided on a side of the second metal shell facing the first metal shell; a snap-fit ​​groove is provided on the surface of the first assembly notch; a first assembly convex portion is provided on the front side of the elbow, and a snap-fit ​​convex point is provided on the outer side of the first assembly convex portion, and the snap-fit ​​convex point can be snapped into the snap-fit ​​groove to install the elbow on the first metal shell.

[0007] The beneficial effects of the small-volume adaptive elbow signal connector provided by the present application are: compared with the prior art, a second metal shell is provided with a first assembly notch; when assembling the elbow, the first assembly protrusion is inserted into the first assembly notch, and then the snap-fit ​​protrusion is snapped into the snap-fit ​​groove to complete the assembly of the elbow; the elbow does not need to be welded, which on the one hand can ensure that the connection between the elbow and the first metal shell is not prone to breakage, thereby improving the reliability and service life of use; on the other hand, it can improve the convenience of elbow assembly and facilitate the replacement of elbows at different angles.

[0008] As a preferred solution: a first rubber strip is provided on the front side of the first assembly notch, and when the buckling protrusion is buckled into the buckling groove, the front surface of the first assembly protrusion abuts against the first rubber strip.

[0009] As a preferred solution: the snap-fit ​​groove includes a first groove body extending axially and a second groove body extending radially, and the front end of the first groove body is conductively connected to the second groove body; when the first assembly protrusion is inserted into the first assembly notch from back to front, the snap-fit ​​protrusion is snapped into the second groove body through the first groove body.

[0010] As a preferred solution: the first plastic body is installed in the first metal shell and surrounds the first glue containing groove, and the second metal shell is provided with a first glue injection hole which can be connected to the first glue containing groove.

[0011] As a preferred solution: a plurality of first clamping arms are provided at the front end of the outer side surface of the first metal shell, a first functional protrusion is provided on the outer side of the first clamping arm, a first inclined surface is provided on the outer side of the first functional protrusion, and the first inclined surface is inclined outward from front to back; the first metal shell is movably installed with a first push-pull shell, the first push-pull shell can move forward and backward relative to the first metal shell, the first push-pull shell is provided with a first notch, and the first functional protrusion is provided in the first notch; when the first push-pull shell moves backward, the first notch can abut against the first inclined surface and push the front end of the first clamping arm to move toward the center direction of the first metal shell.

[0012] As a preferred solution: a plurality of second clamping arms are provided at the bottom of the elbow, and the plurality of second clamping arms can clamp the wiring harness; it also includes a first locking shell that is buckled and installed at the bottom of the elbow. When the first locking shell is buckled into the bottom of the elbow, it can cause the bottom of the plurality of second clamping arms to move toward the center direction to clamp the wiring harness.

[0013] As a preferred solution: a second buckling elastic arm is provided on the outer side of the bottom of the elbow, and a first buckling notch for buckling the second buckling elastic arm is provided on the top of the inner side of the first locking shell.

[0014] As a preferred solution: a second inclined surface is provided on the inner side of the first locking shell, and multiple second clamping arms are provided with a third inclined surface; when the first locking shell is buckled into the elbow, the second inclined surface abuts against the third inclined surface and causes the multiple second clamping arms to move toward the center direction of the elbow to clamp the wiring harness. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of a small-volume adaptive elbow signal connector provided in an embodiment of the present application;

[0017] Figure 2 yes Figure 1 A cross-sectional view of a low-volume adaptive elbow signal connector is shown;

[0018] Figure 3 yes Figure 1 An exploded view of the second metal shell and the elbow is shown;

[0019] Figure 4 yes Figure 2 A partial enlarged view of the A portion of the small volume adaptive elbow signal connector shown;

[0020] Figure 5 yes Figure 2 A cross-sectional view of the first plastic body being installed in the first metal shell;

[0021] Figure 6 yes Figure 5 The schematic diagram of the structure of the first sol tank being injected with plastic slurry is shown.

[0022] Among them, the reference numerals in the figure are:

[0023] 10. Small volume adaptive elbow signal connector; 11. First metal shell; 111. First glue containing groove; 112. First clamping arm; 113. First action convex part; 114. First inclined surface; 12. First plastic body; 13. Plug terminal; 14. First plug interface; 15. Second metal shell; 151. First assembly notch; 152. First slot body; 153. Second slot body; 154. First rubber strip; 155. First glue injection hole; 16. Elbow; 161. First assembly convex part; 162. Snap-fit ​​convex point; 163. Second clamping arm; 1631. Third inclined surface; 164. First locking shell; 1641. First snap-fit ​​notch; 1642. Second inclined surface; 165. Second snap-fit ​​elastic arm; 17. First push-pull shell; 171. First notch. DETAILED DESCRIPTION

[0024] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0025] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0026] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0027] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0028] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0029] Please also read Figures 1 to 6 Now, the small volume adaptive elbow signal connector 10 provided in the embodiment of the present application is described. The small volume adaptive elbow signal connector 10 comprises: a first metal shell 11, a first plastic body 12 and a plurality of plug terminals 13.

[0030] The first plastic body 12 is installed in the first metal shell 11. The first plastic body 12 can enclose a first plug interface 14 with the first metal shell 11. The first plug connector is used for inserting a connector plug. A plurality of plug terminals 13 are embedded in the first plastic body 12. The plug terminals 13 have a plug portion, an embedding portion and a connecting portion. The plug portion extends forward to the first plug interface 14 and is used to contact and connect with the terminal of the connector plug. The embedding portion is embedded in the plastic of the first plastic body 12. The connecting portion extends backward to protrude from the rear side of the first plastic body 12. The connecting portion is used to connect the wiring harness. It also includes a second metal shell 15 and an elbow 16. The second metal shell 15 is arranged on the outside of the first metal shell 11. The side of the second metal shell 15 facing the first metal shell 11 is provided with a first assembly notch 151; the surface of the first assembly notch 151 is provided with a snap-fit ​​groove; the front side of the elbow 16 is provided with a first assembly protrusion 161, and the outer side surface of the first assembly protrusion 161 is provided with a snap-fit ​​protrusion 162, which can be snapped into the snap-fit ​​groove to install the elbow 16 on the first metal shell 11.

[0031] Specifically, the second metal shell 15 is provided with a first assembly notch 151; when assembling the elbow 16, the first assembly protrusion 161 is inserted into the first assembly notch 151, and then the snap-fit ​​protrusion 162 is snapped into the snap-fit ​​groove to complete the assembly of the elbow 16; the elbow 16 does not need to be welded, which on the one hand can ensure that the connection between the elbow 16 and the first metal shell 11 is not prone to breakage, thereby improving the reliability and service life of use; on the other hand, it can improve the convenience of assembling the elbow 16, and facilitate the replacement of elbows 16 of different angles.

[0032] In some embodiments of the present application, a first rubber strip 154 ​​is provided at the front side of the first assembly notch 151, and when the buckling protrusion 162 is buckled into the buckling groove, the front surface of the first assembly protrusion 161 abuts against the first rubber strip 154. The first rubber strip 154 ​​is used to seal the gap between the first assembly protrusion 161 and the first assembly notch 151, which is beneficial to improving the waterproof performance, and also ensures that after the elbow 16 is buckled and installed on the first metal shell 11, it is not easily affected by vibration and separated from the buckling connection with the first metal shell 11, thereby improving the reliability of use.

[0033] Preferably, the snap-fit ​​groove includes a first groove body 152 extending axially and a second groove body 153 extending radially, and the front end of the first groove body 152 is conductively connected to the second groove body 153; during assembly, the first assembly protrusion 161 is inserted into the first assembly notch 151 from back to front, and the snap-fit ​​protrusion 162 is snapped into the second groove body 153 through the first groove body 152.

[0034] Please also read Figure 5 and Figure 6The first plastic body 12 is loaded into the first metal shell 11 and surrounds the first glue containing groove 111. The second metal shell 15 is provided with a first glue injection hole 155 which can be connected to the first glue containing groove 111. After the first plastic body 12 is loaded into the first metal shell 11, the plastic slurry is injected into the first sol tank from the first glue injection hole 155. After the plastic slurry is solidified, the first plastic body 12 can be fixed in the first metal shell 11, which can not only improve the assembly stability of the first plastic body 12, but also improve the waterproof performance.

[0035] In some other embodiments of the present application, a plurality of first clamping arms 112 are provided at the front end of the outer side surface of the first metal shell 11, a first functional protrusion 113 is provided on the outer side of the first clamping arm 112, a first inclined surface 114 is provided on the outer side of the first functional protrusion 113, and the first inclined surface 114 is inclined outward from front to back; the first metal shell 11 is movably installed with a first push-pull shell 17, the first push-pull shell 17 can move forward and backward relative to the first metal shell 11, the first push-pull shell 17 is provided with a first notch 171, and the first functional protrusion 113 is provided in the first notch 171; when the first push-pull shell 17 moves backward, the first notch 171 can abut against the first inclined surface 114 and push the front end of the first clamping arm 112 to move toward the center direction of the first metal shell 11.

[0036] Specifically, by setting the first push-pull shell 17, when assembling the connector plug, the connector plug is inserted into the first plug interface 14, and then the first push-pull shell 17 is pushed backward, which can cause the front ends of the multiple first clamping arms 112 to move toward the center direction of the first metal shell 11 to abut against the outside of the connector plug, and then clamp the connector plug through the multiple first clamping arms 112.

[0037] In some embodiments of the present application, the elbow 16 is provided with a plurality of second clamping arms 163 at the bottom, and the plurality of second clamping arms 163 can clamp the wiring harness; and further includes a first locking shell 164 that is buckled and installed at the bottom of the elbow 16. When the first locking shell 164 is buckled into the bottom of the elbow 16, the bottom of the plurality of second clamping arms 163 can be displaced toward the center to clamp the wiring harness. A second buckling elastic arm 165 is provided at the outer side of the bottom of the elbow 16, and a first buckling notch 1641 for the second buckling elastic arm 165 to buckle is provided at the top of the inner side of the first locking shell 164. A second inclined surface 1642 is provided at the inner side of the first locking shell 164, and the plurality of second clamping arms 163 are provided with a third inclined surface 1631; when the first locking shell 164 is buckled into the elbow 16, the second inclined surface 1642 abuts against the third inclined surface 1631 and causes the plurality of second clamping arms 163 to be displaced toward the center of the elbow 16 to clamp the wiring harness.

[0038] The above are only preferred embodiments of the present invention, and only specifically describe the technical principles of the present invention. These descriptions are only for the purpose of explaining the principles of the present invention, and cannot be interpreted as limiting the scope of protection of the present invention in any way. Based on the explanation here, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention, and other specific implementation methods of the present invention that can be associated with by technicians in this field without creative labor, should be included in the scope of protection of the present invention.

Claims

1. A small-volume adaptive elbow signal connector, comprising a first metal shell (11), a first plastic body (12) installed in the first metal shell (11), and a plurality of plug-in terminals (13) embedded in the first plastic body (12), wherein the first plastic body (12) and the first metal shell (11) enclose a first plug-in interface (14); characterized in that: The invention also comprises a second metal shell (15) and an elbow (16), wherein the second metal shell (15) is sleeved on the outside of the first metal shell (11), and a first assembly notch (151) is provided on the side of the second metal shell (15) facing the first metal shell (11); a snap-fit ​​groove is provided on the surface of the first assembly notch (151); a first assembly convex portion (161) is provided on the front side of the elbow (16), and a snap-fit ​​convex point (162) is provided on the outer side surface of the first assembly convex portion (161), and the snap-fit ​​convex point (162) can be snapped into the snap-fit ​​groove to install the elbow (16) on the first metal shell (11).

2. The small volume adaptive elbow signal connector according to claim 1, characterized in that: A first rubber strip (154) is provided on the front side of the first assembly notch (151); when the buckling protrusion (162) is buckled into the buckling groove, the front surface of the first assembly protrusion (161) abuts against the first rubber strip (154).

3. The small volume adaptive elbow signal connector according to claim 1 or 2, characterized in that: The buckling groove comprises a first groove body (152) extending axially and a second groove body (153) extending radially, and the front end of the first groove body (152) is conductively connected to the second groove body (153); When the first assembly protrusion (161) is inserted into the first assembly notch (151) from the back to the front, the buckling protrusion (162) is buckled into the second groove body (153) through the first groove body (152).

4. The small volume adaptive elbow signal connector according to claim 1, characterized in that: The first plastic body (12) is installed in the first metal shell (11) and surrounds a first glue containing groove (111), and the second metal shell (15) is provided with a first glue injection hole (155) capable of communicating with the first glue containing groove (111).

5. The small volume adaptive elbow signal connector according to claim 1, characterized in that: A plurality of first clamping arms (112) are provided at the front end of the outer side surface of the first metal shell (11), a first functional convex portion (113) is provided on the outer side of the first clamping arm (112), a first inclined surface (114) is provided on the outer side of the first functional convex portion (113), and the first inclined surface (114) is inclined outward from front to back; The first metal shell (11) is movably mounted with a first push-pull shell (17), and the first push-pull shell (17) can move forward and backward relative to the first metal shell (11). The first push-pull shell (17) is provided with a first notch (171), and the first action protrusion (113) is provided in the first notch (171); when the first push-pull shell (17) moves backward, the first notch (171) can abut against the first inclined surface (114) and push the front end of the first clamping arm (112) to move toward the center direction of the first metal shell (11).

6. The small volume adaptive elbow signal connector according to claim 1, characterized in that: A plurality of second clamping arms (163) are provided at the bottom of the elbow (16), and the plurality of second clamping arms (163) are capable of clamping the wiring harness; It also includes a first locking shell (164) that is buckled and installed at the bottom of the elbow (16). When the first locking shell (164) is buckled into the bottom of the elbow (16), it can cause the bottoms of the plurality of second clamping arms (163) to move toward the center to clamp the wiring harness.

7. The small volume adaptive elbow signal connector according to claim 6, characterized in that: A second buckling elastic arm (165) is provided on the outer side of the bottom of the elbow (16), and a first buckling notch (1641) for buckling the second buckling elastic arm (165) is provided on the top of the inner side of the first locking shell (164).

8. The small volume adaptive elbow signal connector according to claim 6 or 7, characterized in that: A second inclined surface (1642) is provided on the inner side of the first locking shell (164), and a plurality of second clamping arms (163) are provided with a third inclined surface (1631); when the first locking shell (164) is buckled into the elbow (16), the second inclined surface (1642) abuts against the third inclined surface (1631) and causes the plurality of second clamping arms (163) to move toward the center direction of the elbow (16) to clamp the wiring harness.

Images