L-shaped connector
By incorporating an inverted snap structure in the L-type connector, the problem of insulator loosening and falling off during welding is solved by utilizing the expansion and embedding of the insulator during high-temperature welding, thereby improving the stability and reliability of the connector.
Patent Information
- Application Number
- CN202422993222.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-03
AI Technical Summary
During the soldering process, the insulating medium of existing L-type connectors is prone to loosening and falling off, resulting in unstable connections.
An L-shaped connector is designed, including a first body, a second body, a first insulator, and a second insulator. By setting a first buckle inside the second body and a second buckle on the outer periphery of the center pin conductor, the connection is strengthened by utilizing the expansion of the insulator during high-temperature welding to embed the buckle.
It effectively prevents the insulator from loosening and falling off during the welding process, thus improving the stability and reliability of the connection.
Smart Images
Figure CN223527427U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of connector, concretely relates to a L type connector. BACKGROUND
[0002] The connector used on the printed board is generally L type connector, and the common structure is generally divided into integral type structure and split type structure, wherein the main body of the integral type L type connector is difficult to process, time-consuming and material-wasting, and the shell of the split type L type connector is connected by welding, and the production process is complex and the welding failure is prone to occur.
[0003] The existing L type connector generally adopts split type structure, one end of which is welded on the PCB board through the pin, and the insulation layer medium in the main body will expand due to heat in the welding process, thereby causing the insulation medium to loosen and fall off. UTILITY MODEL CONTENTS
[0004] In order to overcome the defects of the prior art, the utility model provides a L type connector which can prevent the second insulation body from loosening and falling off in the welding process.
[0005] The utility model solves the technical problems by adopting the technical scheme of:
[0006] A L type connector, including first main body, second main body, first insulation body, second insulation body and center needle conductor, the first main body is connected with the second main body and forms L type structure, the first main body is provided with first inner chamber, the second main body is provided with second inner chamber, the first insulation body is arranged in the first inner chamber, the second insulation body is arranged in the second inner chamber, the first main body, the second main body, the first insulation body, the second insulation body enclose and form closed cavity, the center needle conductor is L type structure, the center needle conductor penetrates the first insulation body and the second insulation body, the bottom of the first main body is provided with pin, the inside of the second main body is provided with first reverse buckle, the first reverse buckle is embedded in the second insulation body.
[0007] As a further improvement of the above technical scheme, the second insulation body includes first cylinder, circular truncated cone body and second cylinder which are coaxially arranged from inside to outside, the first cylinder, the circular truncated cone body and the second cylinder are all provided with through hole in the middle for the center needle conductor to pass through, the diameter of the first cylinder is less than the diameter of the second cylinder, and the circular truncated cone body is matched with the first reverse buckle.
[0008] As a further improvement of the above technical scheme, the center needle conductor is provided with second reverse buckle on the periphery, and the second reverse buckle is embedded in the second insulation body.
[0009] As a further improvement of the above technical solution, the second main body is a cylinder, one end of the second main body is provided with a first external thread, the first internal cavity is provided with an internal thread, and the first external thread is screwed with the internal thread.
[0010] As a further improvement of the above technical solution, the second main body is provided with a second external thread away from one end of the first main body.
[0011] As a further improvement of the above technical solution, the first main body is a quadrangular body, and the first internal cavities respectively pass through the bottom and the side adjacent to the bottom of the quadrangular body.
[0012] As a further improvement of the above technical solution, the number of the pins is four, and the four pins are distributed in a rectangular shape on the bottom of the quadrangular body.
[0013] As a further improvement of the above technical solution, the outer surface of the center pin conductor is provided with a gold plating layer.
[0014] As a further improvement of the above technical solution, the first insulator is a stepped cylindrical structure, and the middle part of the first insulator is provided with a through hole for accommodating the center pin conductor.
[0015] As a further improvement of the above technical solution, the materials of the first insulator and the second insulator are both polytetrafluoroethylene materials.
[0016] The L-shaped connector provided by the utility model has the advantages that the first undercut is arranged in the second main body, the second undercut is arranged on the outer periphery of the center pin conductor, in the process of welding the pins on the PCB, the L-shaped connector will pass through a high-temperature environment, the first insulator and the second insulator will also expand due to heat, the first undercut and the second undercut will continue to be embedded in the second insulator after the second insulator expands, thereby, the connection firmness between the second main body and the second insulator can be improved, and the second insulator can be prevented from loosening and falling off in the welding process. BRIEF DESCRIPTION OF DRAWINGS
[0017] The utility model will be further described in connection with the drawings and examples.
[0018] Fig. 1 is the structure schematic view provided by the utility model;
[0019] Fig. 2 is the explosion view of the utility model;
[0020] Fig. 3 is the sectional view of the utility model.
[0021] Reference numerals: 100 - first body, 110 - internal thread, 120 - pin, 200 - second body, 210 - first undercut, 220 - first external thread, 230 - second external thread, 300 - first insulator, 400 - second insulator, 410 - first cylinder, 420 - truncated cone, 430 - second cylinder, 500 - center pin conductor, 510 - second undercut. DETAILED DESCRIPTION
[0022] The concept, specific structure and technical effects of the present application will be described clearly and completely in combination with the embodiments and drawings, so as to fully understand the purpose, features and effects of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all embodiments, and other embodiments obtained by those skilled in the art without creative labor based on the embodiments of the present application are within the scope of protection of the present application. In addition, all the coupling / connection relationships involved in the patent do not mean that the components are directly connected, but that a better coupling structure can be formed by adding or reducing coupling accessories according to the specific implementation situation. The various technical features in the present application can be combined interactively without mutual contradiction and conflict.
[0023] REFERENCE Figs. 1 to 3 The L-shaped connector provided by an example of the present application comprises a first body 100, a second body 200, a first insulator 300, a second insulator 400 and a center pin conductor 500, the first body 100 and the second body 200 are connected to form an L-shaped structure, the first body 100 is provided with a first inner cavity, the second body 200 is provided with a second inner cavity, the first insulator 300 is arranged in the first inner cavity, the second insulator 400 is arranged in the second inner cavity, the first body 100, the second body 200, the first insulator 300 and the second insulator 400 enclose a closed cavity, the center pin conductor 500 is in an L-shaped structure, the center pin conductor 500 penetrates through the first insulator 300 and the second insulator 400, so that an open circuit is formed between the center pin conductor 500 and the first body 100 or the second body 200, avoiding short circuit of the L-shaped connector when transmitting signals, the bottom of the first body 100 is provided with a pin 120, the inside of the second body 200 is provided with a first undercut 210, and the first undercut 210 is embedded in the second insulator 400, so that the connection firmness between the second body 200 and the second insulator 400 can be improved.
[0024] Moreover, during the process of welding the pin 120 on the PCB, the L-shaped connector will pass through a high-temperature environment, and the first insulator 300 and the second insulator 400 will also expand due to the heat. After the expansion of the second insulator 400, the first undercut 210 will continue to be embedded in the second insulator 400, thereby further improving the connection firmness between the second body 200 and the second insulator 400 and preventing the second insulator 400 from loosening and falling off during the welding process.
[0025] In some preferred embodiments, the second insulator 400 comprises a first cylinder 410, a circular truncated cone 420 and a second cylinder 430 arranged coaxially from inside to outside, and the first cylinder 410, the circular truncated cone 420 and the second cylinder 430 are all provided with through holes for accommodating the center pin conductor 500 to pass through. The diameter of the first cylinder 410 is smaller than that of the second cylinder 430, and the circular truncated cone 420 is matched with the first undercut 210.
[0026] It can be understood that the diameter of the first cylinder 410 on the inside is smaller than that of the second cylinder 430 on the outside, which facilitates the assembly of the second insulator 400 in the second body 200. By arranging the circular truncated cone 420, the matching position of the second insulator 400 and the first undercut 210 forms a slope, which facilitates the embedding of the first undercut 210 in the second insulator 400.
[0027] In some preferred embodiments, the center pin conductor 500 is provided with a second undercut 510 on the outer periphery, and the second undercut 510 is embedded in the second insulator 400. When the second insulator 400 expands due to heat, the second undercut 510 continues to be embedded in the second insulator 400, so that the second insulator 400 and the center pin conductor 500 are firmly matched, preventing the second insulator 400 from loosening and falling off during the welding process.
[0028] In some preferred embodiments, the second body 200 is a cylinder, and the first outer thread 220 is arranged at one end of the second body 200. The first inner cavity is provided with an inner thread 110, and the first outer thread 220 is screwed with the inner thread 110, thereby facilitating the assembly of the first body 100 and the second body 200 and improving the assembly efficiency.
[0029] Further, the second body 200 is provided with a second outer thread 230 at the end away from the first body 100. The second outer thread 230 can be threadedly connected with the equipment end, thereby preventing the center pin conductor 500 from loosening after being connected with the equipment.
[0030] In some preferred embodiments, the first body 100 is a quadrangular body, and the first inner cavity penetrates through the bottom and the side adjacent to the bottom of the quadrangular body, respectively, to ensure that the second body 200 is perpendicular to the first body 100.
[0031] Further, the number of the pins 120 is four, and the four pins 120 are distributed in a rectangular shape at the bottom of the quadrangular body, facilitating the welding of the pins 120 on the PCB.
[0032] In some preferred embodiments, the outer surface of the center pin conductor 500 is provided with a gold plating layer, so that the conductivity of the center pin conductor 500 can be greatly improved, and the stability in the signal transmission process can be ensured.
[0033] In some preferred embodiments, the first insulator 300 is in a stepped columnar structure, and the middle part of the first insulator 300 is provided with a through hole for accommodating the center pin conductor 500, so that the assembly between the first main body 100, the first insulator 300 and the center pin conductor 500 can be facilitated.
[0034] In some preferred embodiments, the materials of the first insulator 300 and the second insulator 400 are both polytetrafluoroethylene materials, which have good electrical insulation, corrosion resistance and sealing performance, can improve the service life, and can facilitate the embedding of the first inverted buckle 210 and the second inverted buckle 510 into the second insulator 400.
[0035] The above is a specific description of the preferred embodiment of the utility model, but the utility model is not limited to the described embodiments, and those skilled in the art can make various equivalent modifications or replacements without departing from the spirit of the utility model, and these equivalent modifications or replacements are all included in the scope defined by the claims of the present application.
Claims
1. An L-shaped connector characterized by comprising: The application relates to a connector, which comprises a first body, a second body, a first insulator, a second insulator and a center pin conductor, the first body and the second body are connected to form an L-shaped structure, the first body is provided with a first inner cavity, the second body is provided with a second inner cavity, the first insulator is arranged in the first inner cavity, the second insulator is arranged in the second inner cavity, the first body, the second body, the first insulator and the second insulator enclose a closed cavity, the center pin conductor is in an L-shaped structure, the center pin conductor penetrates through the first insulator and the second insulator, the bottom of the first body is provided with a pin, the inside of the second body is provided with a first undercut, and the first undercut is embedded in the second insulator.
2. The L-type connector of claim 1, wherein The second insulator comprises a first cylinder, a circular truncated cone and a second cylinder which are coaxially arranged from inside to outside, the first cylinder, the circular truncated cone and the second cylinder are all provided with through holes in the middle portions of the first cylinder, the circular truncated cone and the second cylinder, the center pin conductor penetrates through the through holes, the diameter of the first cylinder is smaller than that of the second cylinder, and the circular truncated cone is matched with the first undercut.
3. The L-type connector of claim 1, wherein The center pin conductor is provided with a second undercut in the outer periphery of the center pin conductor, and the second undercut is embedded in the second insulator.
4. The L-shaped connector of claim 1, wherein The second body is a cylinder, one end of the second body is provided with a first external thread, the first inner cavity is provided with an internal thread, and the first external thread is screwed with the internal thread.
5. The L-shaped connector of claim 1, wherein The second body is provided with a second external thread at the end, away from the first body.
6. The L-shaped connector of claim 1, wherein The first body is a quadrangular body, and the first inner cavity penetrates through the bottom and the side adjacent to the bottom of the quadrangular body.
7. A L-shaped connector according to claim 6, wherein The number of the pins is four, and the four pins are distributed in a rectangular shape on the bottom of the quadrangular body.
8. The L-shaped connector of claim 1, wherein, The outer surface of the center pin conductor is provided with a gold plating layer.
9. The L-shaped connector of claim 1, wherein, The first insulator is in a stepped columnar structure, and the first insulator is provided with a through hole in the middle portion of the first insulator, the center pin conductor penetrates through the through hole.
10. The L-shaped connector of claim 1, wherein, The materials of the first insulator and the second insulator are both polytetrafluoroethylene materials.