Tool-free installation connector and connector installation structure

Abstract

The utility model provides a tool-free installation connector and a connector installation structure, and relates to the technical field of connector installation, the tool-free installation connector comprises a connector body, and the connector body comprises an insulation housing; the clamping elastic sheet is a metal elastic sheet, one end of the clamping elastic sheet is connected with the connector body, the other end of the clamping elastic sheet is provided with a first clamping part and a second clamping part in a spaced mode, and the first clamping part and the second clamping part are used for being clamped to the two sides of the mounting plate respectively; the problems that in the prior art, a connector installed without a tool is convenient to disassemble and assemble on an installation plate through a clamping hook which is provided with a clamping groove and integrally formed on an injection molding outer mold, the reliability and stability are low in the using process, and the service life is difficult to guarantee are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of connector installation, and more specifically, relates to a tool-free installation connector and a connector installation structure. Background Art

[0002] Tool-free connectors, also known as toolless connectors, are widely used because of their easy assembly and disassembly. Existing tool-free connectors are directly molded with one or two hooks on the injection mold, such as Figures 1 to 3 As shown, the hook 1 is integrally molded at the end of the injection mold 2, and can be assembled and disassembled from the mounting plate by deforming the hook 1 and the slot 3 on the hook 1. However, in actual use, such tool-free connectors face risks such as shrinkage and deformation of the hook 1 after injection molding, failure to achieve the designed shape, dimensional instability, failure to rebound after repeated presses, scratching of the mounting plate by the plastic slot wall, and brittle fracture and failure over long-term use, all of which pose adverse risks to the production process and the quality of the finished product. Utility Model Content

[0003] The purpose of the utility model is to address the deficiencies in the prior art and provide a connector and a connector mounting structure for tool-free installation, so as to solve the problems in the prior art of tool-free installation connectors, which utilize hooks with card slots and integrally formed on the injection molded outer mold to achieve convenient assembly and disassembly on the mounting plate, but have low reliability and stability during use, and are difficult to guarantee service life.

[0004] In order to achieve the above object, the utility model provides a connector for tool-free installation, comprising:

[0005] A connector body, the connector body comprising an insulating shell;

[0006] The snap-fit ​​spring is a metal spring, one end of which is connected to the connector body, and the other end of which is provided with a first snap-fit ​​portion and a second snap-fit ​​portion, the first snap-fit ​​portion and the second snap-fit ​​portion being respectively used to snap onto the two sides of the mounting plate.

[0007] Optionally, the snap-fit ​​spring includes a connecting portion, a bending deformation portion, and a movable portion that are sequentially connected, the connecting portion is connected to the insulating shell, and the first snap-fit ​​portion and the second snap-fit ​​portion are arranged on the movable portion.

[0008] Optionally, the snap-fit ​​spring is provided at one end of the insulating shell, and a snap-fit ​​groove is provided at the other end of the insulating shell, and the snap-fit ​​groove is used for snapping with the mounting plate.

[0009] Optionally, the curved deformation portion is U-shaped or V-shaped.

[0010] Optionally, the first clamping part and the second clamping part are respectively a protruding part arranged on the surface of the movable part away from the insulating shell and a first widened part arranged on both sides of the movable part in the width direction.

[0011] Optionally, the first clamping part is closer to the bending deformation part than the second clamping part.

[0012] Optionally, the bending deformation part is S-shaped.

[0013] Optionally, the first clamping part and the second clamping part are respectively a bending part arranged on the outer end of the movable part and bent towards the direction away from the insulating shell and a second widened part arranged on both sides of the movable part in the width direction.

[0014] Optionally, the clamping spring is an integrally formed stainless steel spring.

[0015] The utility model also provides a connector mounting structure, comprising:

[0016] The mounting plate is provided with a mounting groove.

[0017] The tool-free connector is mounted in the mounting groove, and the first clamping part and the second clamping part are clamped on both sides of the mounting plate.

[0018] The tool-free connector provided by the utility model has the clamping spring arranged on the insulating shell, the clamping spring is made of metal, the reliability and stability of clamping are obviously improved compared with the plastic clamping hook integrally formed on the insulating shell, the first clamping part and the second clamping part arranged at the other end of the clamping spring can be clamped on both sides of the mounting plate, thereby realizing the installation of the tool-free connector on the mounting plate, the elastic deformation of the clamping spring can facilitate the dismounting and installation of the tool-free connector, the clamping spring and the first clamping part and the second clamping part arranged thereon have the dimensional stability of metal, and the clamping precision can be ensured after long-term and multiple uses.

[0019] Other features and advantages of the utility model will be described in detail in the following specific embodiment part. BRIEF DESCRIPTION OF DRAWINGS

[0020] The above and other objects, features and advantages of the utility model will become more apparent from the following detailed description of exemplary embodiments of the utility model, taken in conjunction with the accompanying drawings in which like reference characters typically identify corresponding components throughout the typical embodiment of the utility model.

[0021] Figure 1A structural schematic diagram of a first tool-free mounted connector in the prior art is shown.

[0022] Figure 2 A structural schematic diagram of a second tool-free mounted connector in the prior art is shown.

[0023] Figure 3 A structural schematic diagram of a third tool-free mounted connector in the prior art is shown.

[0024] Figure 4 A structural schematic diagram of a tool-free mounted connector according to Embodiment One of the present application is shown.

[0025] Figure 5 A schematic diagram of a connector mounting structure according to Embodiment One of the present application is shown.

[0026] Figure 6 A structural schematic diagram of a tool-free mounted connector according to Embodiment Two of the present application is shown.

[0027] Figure 7 A schematic diagram of a connector mounting structure according to Embodiment Two of the present application is shown.

[0028] BRIEF DESCRIPTION OF DRAWINGS

[0029] 1, hook; 2, injection molded outer mold; 3, clamping groove; 4, insulating shell; 5, clamping spring; 6, first clamping portion; 7, second clamping portion; 8, mounting plate; 9, connecting portion; 10, bending deformation portion; 11, movable portion; 12, clamping groove; 13, reinforcing rib; 14, mounting groove; 15, bent protruding portion; 16, insertion groove. DETAILED DESCRIPTION

[0030] Preferred embodiments of the present application will be described in more detail below. Although the following describes preferred embodiments of the present application, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that the present application is more thorough and complete, and to convey the full scope of the present application to those skilled in the art.

[0031] Embodiment One

[0032] As shown in Figure 4 , the present application provides a tool-free mounted connector, comprising:

[0033] A connector body, the connector body comprising an insulating shell 4;

[0034] The clamping elastic sheet 5 is a metal elastic sheet, one end of the clamping elastic sheet 5 is connected with the connector body, and the other end of the clamping elastic sheet 5 is provided with a first clamping part 6 and a second clamping part 7 at intervals, and the first clamping part 6 and the second clamping part 7 are respectively used for clamping on both sides of the mounting plate 8.

[0035] Specifically, in order to solve the problems of low reliability and stability, difficult to guarantee service life and the like in the use process of the tool-free connector in the prior art which is realized convenient dismounting and mounting on the mounting plate 8 by the clamping hook 1 with the clamping groove 3 and integrally formed on the injection molding outer mold 2, the tool-free connector provided by the utility model is provided with the clamping elastic sheet 5 on the insulating shell 4, the clamping elastic sheet 5 is a metal elastic sheet, the reliability and stability of clamping are obviously improved compared with the plastic clamping hook 1 integrally formed on the insulating shell 4, the first clamping part 6 and the second clamping part 7 provided at the other end of the clamping elastic sheet 5 can realize clamping on both sides of the mounting plate 8, and then realize mounting of the tool-free connector on the mounting plate 8, by elastic deformation of the clamping elastic sheet 5, the tool-free connector can be conveniently dismounted and mounted, the clamping elastic sheet 5 and the first clamping part 6 and the second clamping part 7 provided thereon have the dimensional stability of metal, and the clamping precision can be guaranteed after long-term and multiple uses.

[0036] Further, the clamping elastic sheet 5 can be provided at one end or both ends of the insulating shell 4, or more clamping elastic sheets 5 can be provided.

[0037] In the embodiment, the clamping elastic sheet 5 comprises a connecting part 9, a bending deformation part 10 and a movable part 11 connected in sequence, the connecting part 9 is connected with the insulating shell 4, and the first clamping part 6 and the second clamping part 7 are provided on the movable part 11.

[0038] Specifically, the connecting part 9, the bending deformation part 10 and the movable part 11 are all sheet-shaped, the clamping elastic sheet 5 is connected with the insulating shell 4 through the connecting part 9, realizes fixing on the insulating shell 4, the clamping part is embedded into the injection molding mold during the injection molding stage of the insulating shell 4, and inlay injection molding is carried out, after the insulating shell 4 is injection molded, the clamping elastic sheet 5 has very strong connection reliability with the insulating shell 4, when the clamping elastic sheet 5 is elastically deformed, the bending deformation part 10 bears the main elastic deformation action, under the elastic deformation action of the bending deformation part 10, the movable part 11 drives the first clamping part 6 and the second clamping part 7 to displace, and can reset by using elasticity, and convenient clamping and unlocking are realized.

[0039] Further, in order to guarantee the connection strength of the clamping elastic sheet 5 and the insulating shell 4, the connecting part 9 is provided with a through hole, and the injection molding material can pass through the through hole, thereby improving the connection strength of the connecting part 9 in the insulating shell 4.

[0040] In the embodiment, the material of the insulating shell 4 is plastic.

[0041] In the embodiment, the clamping elastic sheet 5 is arranged at one end of the insulating shell 4, and the other end of the insulating shell 4 is provided with a clamping groove 12 for clamping with the mounting plate 8.

[0042] Specifically, the insulating shell 4 can be first clamped with the mounting plate 8 through the clamping groove 12 at the other end of the insulating shell 4, and second clamped with the mounting plate 8 through the clamping elastic sheet 5 at one end of the insulating shell 4, thereby realizing reliable mounting of the insulating shell 4 on the mounting plate 8.

[0043] In the embodiment, the clamping groove 12 is integrally formed at the other end of the insulating shell 4, and a reinforcing rib 13 is arranged in the clamping groove 12 to ensure the structural strength of the insulating shell 4 at the clamping groove 12, so that the mounting groove 14 on the mounting plate 8 can be shaped to match the clamping groove 12 with the reinforcing rib 13.

[0044] In the embodiment, the curved deformation part 10 is U-shaped.

[0045] Specifically, the connecting part 9 and the movable part 11 are arranged at two ends of the U-shaped curved deformation part 10, respectively, and the elastic displacement and elastic reset of the movable part 11 can be realized by the elastic deformation of the U-shaped curved deformation part 10.

[0046] In other embodiments, the curved deformation part can also be V-shaped.

[0047] In the embodiment, the first clamping part 6 and the second clamping part 7 are respectively a protruding part arranged on the surface of the movable part 11 away from the insulating shell 4 and a first widened part arranged at two sides of the movable part 11 in the width direction.

[0048] Specifically, the first clamping part 6 and the second clamping part 7 are respectively a protruding part and a first widened part, the protruding part can be formed on the surface of the movable part 11 by stamping, and the first widened part protrudes outward in the width direction of the sheet-shaped movable part 11 and can be clamped with the mounting plate 8.

[0049] In the embodiment, the first clamping part 6 is closer to the curved deformation part 10 than the second clamping part 7.

[0050] Specifically, the protruding part is closer to the curved deformation part 10 than the first widened part, and since the first widened part realizes clamping with the two side walls of the mounting groove 14 on the mounting plate 8 by protruding outward in the width direction of the movable part 11, in this case, the tool-free mounted connector is first arranged through the mounting groove 14 in sequence from the curved deformation part 10 and the protruding part, and then clamped on both sides of the mounting plate 8 by using the protruding part arranged through the mounting groove 14 and the first widened part not arranged through the mounting groove 14.

[0051] In the embodiment, the clamping spring 5 is integrally formed of stainless steel.

[0052] Specifically, the connecting portion 9, the bending deformation portion 10 and the movable portion 11 of the clamping spring 5 are integrally formed, and the stainless steel material can facilitate the selection of spring steel material and ensure the service life.

[0053] In the embodiment, the V-shaped bending protrusion 15 is arranged at the end of the movable portion 11 away from the bending deformation portion 10, so as to facilitate the pressing operation of the end of the movable portion 11.

[0054] As shown in Figure 5 The utility model also provides a connector mounting structure, which comprises:

[0055] The mounting plate 8 is provided with a mounting groove 14.

[0056] The tool-free connector is mounted in the mounting groove 14, and the first clamping portion 6 and the second clamping portion 7 are clamped on both sides of the mounting plate 8.

[0057] Specifically, when the tool-free connector is mounted on the mounting plate 8, the first clamping portion 6 of the clamping spring 5 is first inserted into the mounting groove 14, and the first clamping portion 6 and the second clamping portion 7 are clamped on both sides of the mounting plate 8, thereby achieving the clamping installation of the tool-free connector. When disassembling, the clamping spring 5 is pressed to be elastically deformed, and then the tool-free connector is pulled out. The clamping spring 5 is made of metal, and the reliability and stability of clamping are obviously improved compared with the plastic clamping hook 1 integrally formed on the insulating shell 4. The clamping spring 5, the first clamping portion 6 and the second clamping portion 7 arranged thereon have the dimensional stability of metal, and the clamping accuracy can be ensured after long-term and multiple uses.

[0058] In the embodiment, the clamping spring 5 is arranged at one end of the insulating shell 4, and the clamping groove 12 is arranged at the other end. During the process of inserting the insulating shell 4 into the mounting groove 14, the clamping groove 12 at the other end is first clamped with the mounting plate 8, and then the clamping spring 5 is used to clamp the other end of the insulating shell 4 with the mounting plate 8.

[0059] In the embodiment, the insulating shell 4 is internally provided with an open plug-in groove 16, the plug-in groove 16 is internally provided with a connecting terminal, and the open end of the plug-in groove 16 and the bending deformation portion 10 are on the same side of the tool-free connector.

[0060] In this embodiment, the mounting plate 8 is a device chassis panel. The plug-in slot 16 in the connector mounting structure is located on the front of the mounting plate 8, the bending deformation portion 10 is also located on the front of the mounting plate 8, and the outer end of the movable portion 11, i.e., the operating end and the first widened portion are located on the back of the mounting plate 8.

[0061] Example 2

[0062] like Figure 6 As shown, the difference between this embodiment and the first embodiment is that:

[0063] In this embodiment, the curved deformation portion 10 is S-shaped.

[0064] Specifically, the connecting portion 9 and the movable portion 11 are respectively arranged at the two ends of the S-shaped bending deformation portion 10, so that the overall shape of the snap-fit ​​spring piece 5 also forms an S shape. When the movable portion 11 is pressed, the entire bending deformation portion 10 can be elastically deformed, so that the movable portion 11 and the first clamping portion 6 and the second clamping portion 7 can move toward the direction close to the connecting portion 9, and can be elastically reset. Compared with the U-shaped bending deformation portion 10, the S-shaped bending deformation portion 10 can change the position of the outer end of the movable portion 11, that is, the operating end of the movable portion 11 is on different sides of the mounting plate 8, which can facilitate the operation of the snap-fit ​​spring piece 5 and the disassembly and assembly of the tool-free installed connector.

[0065] In this embodiment, the first clamping portion 6 and the second clamping portion 7 are respectively a bent portion provided at the outer end of the movable portion 11 and bent away from the insulating housing 4 , and a second widened portion provided on both sides of the movable portion 11 in the width direction.

[0066] Specifically, the first clamping portion 6 and the second clamping portion 7 are respectively a bent portion and a second widened portion. The bent portion can be formed by machining, and the second widened portion protrudes outward in the width direction of the sheet-shaped movable portion 11 and can be clamped with the mounting plate 8.

[0067] In this embodiment, the bent portion is at the outer end of the movable portion 11, that is, the operating end. Since the second widened portion is snap-fitted with the groove walls on both sides of the mounting groove 14 on the mounting plate 8 by protruding outward in the width direction of the movable portion 11, in this case, when the tool-free installation connector is installed on the mounting plate 8, the bent portion is first pressed and passed through the mounting groove 14, and then the bent portion passing through the mounting groove 14 and the second widened portion not passing through the mounting groove 14 are used to achieve snap-fitting on both sides of the mounting plate 8.

[0068] like Figure 7 As shown, the utility model also provides a connector installation structure, including:

[0069] The mounting plate 8 is provided with a mounting groove 14;

[0070] The tool-less mounted connector is mounted in the mounting groove 14, and the first clamping part 6 and the second clamping part 7 are clamped on both sides of the mounting plate 8 respectively.

[0071] In the embodiment, the connector mounting structure is that the insertion groove 16 is on the front side of the mounting plate 8, the outer end of the movable part 11, i.e. the operating end, is also on the front side of the mounting plate 8, and the second widened part is on the back side of the mounting plate 8.

[0072] The above has described the various embodiments of the utility model, the above description is exemplary, is not exhaustive, and also is not limited to the disclosed various embodiments. Many modifications and changes are obvious to those skilled in the art without deviating from the scope and spirit of the described various embodiments.

Claims

1. A tool-less mounted connector characterized by, The utility model relates to a tool-free mounting connector, comprising: a connector body comprising an insulating shell; a clamping spring, which is a metal spring, one end of the clamping spring being connected to the connector body, the other end of the clamping spring being provided with a first clamping portion and a second clamping portion at intervals, the first clamping portion and the second clamping portion being used for clamping on both sides of a mounting plate respectively.

2. The tool-less mounted connector of claim 1, wherein, The clamping spring comprises a connecting portion, a curved deformation portion and a movable portion connected in sequence, the connecting portion being connected to the insulating shell, the first clamping portion and the second clamping portion being provided on the movable portion.

3. The tool-less mounted connector of claim 1, wherein, The clamping spring is provided at one end of the insulating shell, the other end of the insulating shell being provided with a clamping groove for clamping with the mounting plate.

4. The tool-less mounted connector of claim 2, wherein, The curved deformation portion is U-shaped or V-shaped.

5. The tool-less mounted connector of claim 4, wherein, The first clamping portion and the second clamping portion are respectively a protruding portion provided on the surface of the movable portion away from the insulating shell and a first widened portion provided on both sides of the movable portion in the width direction.

6. The tool-less mounted connector of claim 5, wherein, The first clamping portion is closer to the curved deformation portion than the second clamping portion.

7. The tool-less mounted connector of claim 2, wherein, The curved deformation portion is S-shaped.

8. The tool-less mounted connector of claim 7, wherein, The first clamping portion and the second clamping portion are respectively a bending portion provided at the outer end of the movable portion and bent in a direction away from the insulating shell and a second widened portion provided on both sides of the movable portion in the width direction.

9. The tool-less mounted connector of claim 1, wherein, The clamping spring is an integrally formed stainless steel spring.

10. A connector mounting structure characterized by comprising: The utility model relates to a tool-free mounting connector, comprising: a mounting plate provided with a mounting groove; the tool-free mounting connector according to any one of claims 1-9, the connector body being mounted in the mounting groove, and the first clamping portion and the second clamping portion being clamped on both sides of the mounting plate respectively.

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