Plug connector

Abstract

The utility model discloses a connecting plug, which relates to the field of medical instruments, and comprises an injection molding shell and an elastic sheet group, the elastic sheet group comprises an injection molding connecting piece and a plurality of electric connection elastic sheets which are sequentially arranged along the arc direction, the injection molding connecting piece is obtained through injection molding, the plurality of electric connection elastic sheets are connected, and the injection molding shell is obtained through injection molding and wraps part of the elastic sheet group. The connecting plug is obtained through twice injection molding, so that the precision of the electric connection elastic sheet on the injection molding shell is ensured, the manufacturing is convenient, the manufacturing process is simplified, the product yield of the connecting plug is improved, and the production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the field of medical equipment, in particular to a plug connector. Background Art

[0002] The plug connector of the endoscope body generally adopts a direct mechanical installation solution, in which the electrical connection spring is installed on the plastic part to obtain the plug connector, which leads to many production steps for the plug connector and low product yield between different steps, resulting in a large amount of production waste, increasing the production cost of the plug connector and causing huge waste. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a plug connector, which is convenient to manufacture, simplifies the manufacturing process, improves the product yield of the plug connector, and reduces the production cost.

[0004] To achieve the above purpose, the utility model provides the following solutions:

[0005] The utility model provides a plug connector, comprising an injection molded shell and a spring sheet group, wherein the spring sheet group comprises an injection molded connector and a plurality of electrical connection spring sheets arranged in sequence along an arc direction, the injection molded connector is obtained by injection molding and a plurality of the electrical connection spring sheets are connected, and the injection molded shell is obtained by injection molding and wraps a portion of the spring sheet group.

[0006] Preferably, the injection-molded connector includes a first connector and a second connector, the first connector connects the upper portions of the plurality of electrical connection springs, and the second connector connects the lower portions of the plurality of electrical connection springs.

[0007] Preferably, the outer side surface of the upper portion of the electrical connection spring protrudes from the outer side surface of the first connection member and the outer side surface of the injection molded shell, and the lower end of the electrical connection spring passes through the bottom end of the injection molded shell and extends to the outside.

[0008] Preferably, the electrical connection spring sheet includes a U-shaped spring sheet, an L-shaped spring sheet and a straight spring sheet, the L-shaped spring sheet and the straight spring sheet are respectively connected to the two ends of the U-shaped spring sheet, the first connecting member connects the upper parts of multiple U-shaped spring sheets and multiple L-shaped spring sheets, the outer side surface of the L-shaped spring sheet protrudes from the outer side surface of the first connecting member and the outer side surface of the injection molded shell, the second connecting member connects multiple straight spring sheets, and the lower end of the straight spring sheet passes through the bottom end of the injection molded shell and extends to the outside.

[0009] Preferably, the injection molded shell includes a cylindrical shell and an annular boss sleeved on the lower part of the cylindrical shell, the outer side surface of the upper part of the electrical connection spring protrudes from the outer side surface of the first connecting piece and the outer side surface of the cylindrical shell, and the lower end of the electrical connection spring passes through the bottom end of the annular boss and extends to the outside.

[0010] Preferably, the spring sheet group is provided in plurality, and the plurality of spring sheet groups are arranged in sequence along the circumferential direction, and the injection-molded housing is obtained by injection molding and the plurality of spring sheet groups are connected.

[0011] Preferably, the number of the spring sheet groups is 2 to 6.

[0012] Preferably, each of the spring sheet groups includes 2 to 10 electrical connection spring sheets.

[0013] Preferably, the electrical connection spring is a gold-plated spring.

[0014] Compared with the prior art, the utility model has achieved the following technical effects:

[0015] The plug connector of the utility model comprises an injection molded shell and a spring sheet group, the spring sheet group comprises an injection molded connector and a plurality of electrical connection spring sheets arranged in sequence along an arc direction, the injection molded connector is obtained by injection molding and the plurality of electrical connection spring sheets are connected, the injection molded shell is obtained by injection molding and a part of the spring sheet group is wrapped. The plug connector is obtained by two injection moldings, thereby ensuring the accuracy of the electrical connection spring sheet on the injection molded shell, facilitating manufacturing, simplifying the manufacturing process, improving the product yield of the plug connector, and reducing the production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the arrangement of multiple electrical connection springs of each spring group in the plug connector provided by the utility model;

[0018] Figure 2 This is a structural schematic diagram of the spring piece group in the plug connector provided by the utility model;

[0019] Figure 3 A schematic diagram of the arrangement of multiple spring leaf groups in the plug connector provided by the utility model;

[0020] Figure 4 A schematic diagram of the structure of the plug connector provided by the utility model;

[0021] Figure 5 The present invention is a manufacturing flow chart of the plug connector provided by the present invention.

[0022] Explanation of the reference numerals: 100, plug connector; 1, electrical connection spring; 11, U-shaped spring; 12, L-shaped spring; 13, straight spring; 2, injection molded connector; 21, first connector; 22, second connector; 3, spring assembly; 4, injection molded housing; 41, cylindrical housing; 42, annular boss. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] The utility model aims to provide a plug connector, which is convenient to manufacture, simplifies the manufacturing process, improves the product yield of the plug connector, and reduces the production cost.

[0025] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0026] like Figure 1-Figure 5 As shown, this embodiment provides a plug connector 100, including an injection molded shell 4 and a spring group 3, the spring group 3 includes an injection molded connector 2 and a plurality of electrical connection springs 1 arranged in sequence along an arc direction, the injection molded connector 2 is obtained by injection molding and the plurality of electrical connection springs 1 are connected, the injection molded shell 4 is obtained by injection molding and wraps part of the spring group 3, that is, the injection molded shell 4 wraps a portion of the spring group 3. Specifically, the outer side surface of the upper part of the electrical connection spring 1 protrudes from the outer side surface of the injection molded connector 2 and the outer side surface of the injection molded shell 4, and the injection molded shell 4 does not wrap the lower end of the spring group 3.

[0027] The injection-molded connector 2 is an integrated structure or a split structure, that is, the injection-molded connector 2 can be an integral component or a plurality of split components.

[0028] like Figure 2 As shown, the injection molded connector 2 in this embodiment is two separate components. Specifically, the injection molded connector 2 includes a first connector 21 and a second connector 22. The first connector 21 connects the upper parts of multiple electrical connection springs 1, and the second connector 22 connects the lower parts of multiple electrical connection springs 1.

[0029] In this specific embodiment, the first connecting member 21 and the second connecting member 22 are both arc-shaped structures.

[0030] Specifically, the outer side surface of the upper portion of the electrical connection spring 1 protrudes from the outer side surface of the first connector 21 and the outer side surface of the injection molded housing 4 , and the lower end of the electrical connection spring 1 passes through the bottom end of the injection molded housing 4 and extends to the outside.

[0031] like Figure 1 As shown, the electrical connection spring 1 includes a U-shaped spring 11, an L-shaped spring 12 and a straight spring 13, the L-shaped spring 12 and the straight spring 13 are respectively connected to the two ends of the U-shaped spring 11, the first connecting member 21 connects the upper parts of the plurality of U-shaped springs 11 and the plurality of L-shaped springs 12, the outer side surface of the L-shaped spring 12 protrudes from the outer side surface of the first connecting member 21 and the outer side surface of the injection molded housing 4, the second connecting member 22 connects the plurality of straight springs 13, and the lower end of the straight spring 13 passes through the bottom end of the injection molded housing 4 and extends to the outside. It should be noted that the electrical connection spring 1 in this embodiment is an integrated structure.

[0032] In this specific embodiment, the U-shaped spring clip 11 includes a main spring clip and a first spring clip and a second spring clip respectively connected to the two ends of the main spring clip; the L-shaped spring clip 12 includes a third spring clip and a fourth spring clip vertically connected to one end of the third spring clip, the other end of the third spring clip is connected to the end of the first spring clip away from the main spring clip, and the outer side surface of the third spring clip protrudes from the outer side surface of the first connecting member 21 and the outer side surface of the injection molded shell 4; the straight spring clip 13 is connected to the end of the second spring clip away from the main spring clip.

[0033] like Figure 4 As shown, the injection molded housing 4 includes a cylindrical housing 41 and an annular boss 42 sleeved on the lower part of the cylindrical housing 41, the outer side surface of the upper part of the electrical connection spring 1 protrudes from the outer side surface of the first connecting member 21 and the outer side surface of the cylindrical housing 41, and the lower end of the electrical connection spring 1 passes through the bottom end of the annular boss 42 and extends to the outside. It should be noted that the injection molded housing 4 in this embodiment is an integrated structure.

[0034] In this embodiment, the outer side surface of the third elastic piece in the L-shaped elastic piece 12 protrudes from the outer side surface of the first connecting member 21 and the outer side surface of the cylindrical shell 41, and the lower end of the straight elastic piece 13 passes through the bottom end of the annular boss 42 and extends to the outside.

[0035] The spring sheet group 3 can be provided as one or more. In this embodiment, the spring sheet group 3 is provided as a plurality, and the plurality of spring sheet groups 3 are sequentially arranged along the circumferential direction, and the injection molded housing 4 is obtained by injection molding and the plurality of spring sheet groups 3 are connected.

[0036] Specifically, the number of the spring sheet groups is 2 to 6. In this embodiment, the number of the spring sheet groups is 4.

[0037] Specifically, each of the spring sheet groups includes 2 to 10 electrically connected spring sheets. In this embodiment, each of the spring sheet groups includes 8 electrically connected spring sheets.

[0038] In this embodiment, the multiple electrical connection springs 1 in each spring group 3 are evenly arranged in sequence along the arc direction, and the multiple spring groups 3 are evenly arranged in sequence along the circumferential direction.

[0039] Specifically, the electrical connection spring piece 1 is a gold-plated spring piece. The electrical connection spring piece 1 in this embodiment is folded and formed, and then gold-plated to improve the conductive performance.

[0040] like Figure 5 As shown, this embodiment also provides a method for manufacturing the plug connector 100, comprising the following steps:

[0041] Step 1: Arrange multiple electrical connection springs 1 in a first mold in sequence along an arc direction, perform a first injection molding to form an injection-molded connector 2, and the injection-molded connector 2 connects the multiple electrical connection springs 1 to obtain a spring assembly 3;

[0042] Step 2: Place the spring sheet assembly 3 in a second mold, and perform a second injection molding to form an injection-molded shell 4 . The injection-molded shell 4 wraps a portion of the spring sheet assembly 3 to obtain the plug connector 100 .

[0043] When there are multiple spring leaf groups 3, first repeat the operation of step one to produce multiple spring leaf groups 3, then arrange the multiple spring leaf groups 3 in sequence along the circumferential direction in the second mold, perform a second injection molding to form an injection molded shell 4, and the injection molded shell 4 connects the multiple spring leaf groups 3 to obtain the plug connector 100.

[0044] In this embodiment, the injection molded connector 2 obtained by the first injection molding is first used to position and connect multiple electrical connection springs 1, and then the injection molded shell 4 obtained by the second injection molding is used to position and connect multiple spring groups 3, that is, the plug connector 100 in this embodiment is obtained by two injection moldings, thereby ensuring the accuracy of the electrical connection spring 1 on the injection molded shell 4, so that the electrical connection spring 1 will not be damaged or dropped due to mechanical force when the plug connector 100 is plugged in, avoiding the situation of poor contact of the electrical connection spring 1, and facilitating manufacturing, simplifying the manufacturing process, improving the product yield of the plug connector 100, reducing production costs, and improving the existing problems of complex production, cumbersome manufacturing process, and low yield of processed products in the existing plug connectors. At the same time, compared with the mechanical installation method, the injection molding method makes the electrical connection spring 1 less likely to deform, improves its rigidity, and makes it less likely to leave gaps, thereby improving the waterproof performance of the plug connector 100.

[0045] This specification uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core idea of ​​the utility model. At the same time, for those skilled in the art, according to the idea of ​​the utility model, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the utility model.

Claims

1. A plug connector, characterized in that: It includes an injection molded shell and a spring group, wherein the spring group includes an injection molded connector and a plurality of electrical connection springs arranged in sequence along an arc direction. The injection molded connector is obtained by injection molding and the plurality of electrical connection springs are connected. The injection molded shell is obtained by injection molding and wraps a portion of the spring group.

2. The plug connector according to claim 1, characterized in that The injection-molded connector includes a first connector and a second connector. The first connector connects the upper portions of the plurality of electrical connection springs, and the second connector connects the lower portions of the plurality of electrical connection springs.

3. The plug connector according to claim 2, characterized in that: The outer side surface of the upper part of the electrical connection spring protrudes from the outer side surface of the first connecting member and the outer side surface of the injection molded shell, and the lower end of the electrical connection spring passes through the bottom end of the injection molded shell and extends to the outside.

4. The plug connector according to claim 3, characterized in that The electrically connecting spring pieces include U-shaped spring pieces, L-shaped spring pieces and straight spring pieces, the L-shaped spring pieces and the straight spring pieces are respectively connected to the two ends of the U-shaped spring pieces, the first connecting piece connects the upper parts of the plurality of U-shaped spring pieces and the plurality of L-shaped spring pieces, the outer side surface of the L-shaped spring piece protrudes from the outer side surface of the first connecting piece and the outer side surface of the injection molded shell, the second connecting piece connects the plurality of straight spring pieces, and the lower end of the straight spring piece passes through the bottom end of the injection molded shell and extends to the outside.

5. The plug connector according to claim 3, characterized in that: The injection molded shell includes a cylindrical shell and an annular boss sleeved on the lower part of the cylindrical shell, the outer side surface of the upper part of the electrical connection spring protrudes from the outer side surface of the first connecting piece and the outer side surface of the cylindrical shell, and the lower end of the electrical connection spring passes through the bottom end of the annular boss and extends to the outside.

6. The plug connector according to claim 1, characterized in that The plurality of spring sheet groups are arranged in sequence along the circumferential direction, and the injection molded shell is obtained by injection molding and the plurality of spring sheet groups are connected.

7. The plug connector according to claim 6, characterized in that The number of the spring sheet groups is 2 to 6.

8. The plug connector according to claim 1, characterized in that Each of the spring sheet groups includes 2 to 10 electrical connection spring sheets.

9. The plug connector according to claim 1, characterized in that: The electrical connection spring is a gold-plated spring.

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