Buckling-free wiring terminal for testing
By designing the test crimp-free terminal, the crimp-free terminal is used to utilize the storage cavity and conductive connecting piece in the insulated shell, and combined with the abutment part of the connecting hole, the automatic electrical connection between the external terminal and the conductive part is realized, solving the problem of time-consuming and labor-intensive operation in the prior art and improving the testing efficiency.
Patent Information
- Application Number
- CN202421967383.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-14
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-08-14
AI Technical Summary
During PCB testing, the operator needs to manually press the press to ensure that the external terminals come into contact with the conductive parts, resulting in time-consuming and labor-intensive operation and inefficient efficiency.
A test crimp-free terminal is designed, by providing a receptacle cavity and a conductive connecting piece inside the insulated housing, and a contact part is provided on the axis of the connection hole. When the external terminal is connected from the connection hole, it directly extends into the bottom of the receptacle cavity along the axis of the connection hole to contact the contact part and realizes electrical connection.
The electrical connection is achieved without pressing or opening the pressing parts, which significantly improves the testing efficiency and reduces the labor intensity of the operator.
Smart Images
Figure CN222980844U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wiring terminals, in particular to a test-free crimping wiring terminal. Background Art
[0002] A wiring terminal is a component widely used in electronic devices, mainly used to achieve a reliable electrical connection between an external terminal and a printed circuit board (PCB). Existing wiring terminals usually include a housing, a conductive member (such as a spring clip or a screw clamping device), and a pressing member for fixing an externally connected terminal to the conductive member.
[0003] During the PCB test process, the operator needs to manually press the pressing member to ensure that the external terminal contacts the conductive member to achieve electrical connection. This process is not only time-consuming and laborious, but also in large-scale PCB tests, the operator needs to repeatedly press the pressing member many times, resulting in low efficiency. Summary of the Utility Model
[0004] The utility model aims to at least solve the technical problems existing in the prior art. For this purpose, the utility model provides a test-free crimping wiring terminal for externally connected terminals inserted through a connection hole.
[0005] According to some embodiments of the utility model, a test-free crimping wiring terminal includes an insulating housing. An accommodation cavity is arranged inside the insulating housing. A connection hole is formed in the outer side of the insulating housing, and the connection hole communicates with the accommodation cavity. A conductive connection piece is arranged inside the accommodation cavity. A connection pin is arranged at the bottom of the conductive connection piece. A through hole is formed in the top of the insulating housing, and the connection pin passes through the through hole. An abutting portion is arranged at the top of the end of the conductive connection piece away from the connection hole, and the abutting portion is located on the axis of the connection hole.
[0006] According to some embodiments of the utility model, a test-free crimping wiring terminal has at least the following beneficial effects:
[0007] In the utility model, the connection hole communicates with the accommodation cavity. A conductive connection piece is arranged inside the accommodation cavity. A connection pin is arranged at the bottom of the conductive connection piece. A through hole is formed in the top of the insulating housing, and the connection pin passes through the through hole. An abutting portion is arranged at the top of the end of the conductive connection piece away from the connection hole, and the abutting portion is located on the axis of the connection hole. When an external terminal is inserted through the connection hole, it can directly extend along the axis of the connection hole to the bottom of the accommodation cavity and abut against the abutting portion to achieve electrical connection. During the test, the operator does not need to press or open the pressing member, which can greatly improve the test efficiency when testing the PCB.
[0008] According to a test-free crimping terminal of some embodiments of the present utility model, a clamping groove is formed by the inward depression of the inner wall at the rear end of the accommodating cavity, and the abutting portion is arranged in the clamping groove.
[0009] According to a test-free crimping terminal of some embodiments of the present utility model, a clamping elastic piece is arranged at the top of the accommodating cavity. One end of the clamping elastic piece close to the connecting hole is warped to form a guiding portion, and the clamping elastic piece is located at the top of the conductive connecting piece.
[0010] According to a test-free crimping terminal of some embodiments of the present utility model, a positioning groove is formed inside the insulating housing, and the top of the clamping elastic piece is arranged in the positioning groove.
[0011] According to a test-free crimping terminal of some embodiments of the present utility model, the insulating housing includes an insulating main body and a cover plate, and the insulating main body is detachably connected to the cover plate.
[0012] According to a test-free crimping terminal of some embodiments of the present utility model, there are multiple insulating main bodies, and the multiple insulating main bodies are detachably connected in sequence.
[0013] According to a test-free crimping terminal of some embodiments of the present utility model, a pressing member is arranged at the top of the insulating housing. The pressing member is located above the connecting hole, and the pressing member presses the terminal onto the conductive connecting piece.
[0014] According to a test-free crimping terminal of some embodiments of the present utility model, the pressing member includes a handle push rod and a connecting elastic piece. The handle push rod is located outside the insulating housing, and the connecting elastic piece is located inside the accommodating cavity. The handle push rod abuts against the connecting elastic piece, and the handle push rod can be pressed downward to drive the connecting elastic piece to rotate downward to press the terminal onto the conductive connecting piece.
[0015] The additional aspects and advantages of the present utility model will be partially given in the following description, partially will become obvious from the following description, or be understood through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The above and / or additional aspects and advantages of the present utility model will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:
[0017] Figure 1 is a schematic structural diagram of an embodiment of the present utility model.
[0018] Figure 2 is a schematic structural diagram of the embodiment of the present utility model with the cover plate hidden.
[0019] Reference numerals: 1, insulating housing; 2, accommodating cavity; 3, connection hole; 4, conductive connection piece; 5, connection pin; 6, through hole; 7, abutting portion; 8, clamping groove; 9, clamping elastic piece; 10, guiding portion; 11, positioning groove; 12, insulating main body; 13, cover plate; 14, pressing member; 15, handle push rod; 16, connecting elastic piece. Detailed implementation manners
[0020] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the accompanying drawings, in which the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary only for explaining the present utility model and should not be construed as limiting the present utility model.
[0021] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as up, down, left, right, front, back, etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the module or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
[0022] In the description of the present utility model, if the first and the second are described only for the purpose of distinguishing technical features, they should not be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence of the indicated technical features.
[0023] In the description of the present utility model, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present utility model in combination with the specific content of the technical solution.
[0024] As Figure 1 - Figure 2 shown, the embodiment of the present utility model provides a test-free crimping terminal.
[0025] A test-free crimping terminal includes an insulating housing 1. An accommodating cavity 2 is provided inside the insulating housing 1. A connection hole 3 is opened on the outer side of the insulating housing 1. The connection hole 3 communicates with the accommodating cavity 2. A conductive connection piece 4 is provided inside the accommodating cavity 2. A connection pin 5 is provided at the bottom of the conductive connection piece 4. A through hole 6 is opened at the top of the insulating housing 1. The connection pin 5 passes through the through hole 6. An abutting portion 7 is provided at the top of the end of the conductive connection piece 4 away from the connection hole 3. The abutting portion 7 is located on the axis of the connection hole 3.
[0026] The utility model is communicated with the accommodating cavity 2 through the connection hole 3. A conductive connection piece 4 is arranged inside the accommodating cavity 2. A connection pin 5 is arranged at the bottom of the conductive connection piece 4. A through hole 6 is formed at the top of the insulating housing 1. The connection pin 5 penetrates through the through hole 6. A butting portion 7 is arranged at the top of the end of the conductive connection piece 4 far away from the connection hole 3. The butting portion 7 is located on the axis of the connection hole 3. When an external terminal is inserted from the connection hole 3, it can directly extend along the axis of the connection hole 3 into the bottom of the accommodating cavity 2 and abut against the butting portion 7 to achieve electrical connection. When an operator is testing, there is no need to press or open the pressing piece 14, and the testing efficiency can be greatly improved when testing a PCB.
[0027] It can be understood that, in some embodiments, the butting portion 7 is formed by bending the conductive connection piece 4.
[0028] For a test-free crimping wiring terminal described in this embodiment, an inwardly concave clamping groove 8 is formed on the inner wall at the rear end of the accommodating cavity 2, and the butting portion 7 is arranged in the clamping groove 8. Specifically, the above setting limits the butting portion 7 and improves the stability of the overall structure.
[0029] For a test-free crimping wiring terminal described in this embodiment, a clamping elastic piece 9 is arranged at the top of the accommodating cavity 2. One end of the clamping elastic piece 9 close to the connection hole 3 is upturned to form a guiding portion 10, and the clamping elastic piece 9 is located on the top of the conductive connection piece 4. Specifically, with the above setting, when an external terminal is inserted, the clamping elastic piece 9 can simultaneously apply a downward force, so that the position of the external terminal can be stably located on the top of the conductive connection piece 4 and abut against the butting portion 7.
[0030] For a test-free crimping wiring terminal described in this embodiment, a positioning groove 11 is formed inside the insulating housing 1, and the top of the clamping elastic piece 9 is arranged in the positioning groove 11. Specifically, the above structural setting has good stability.
[0031] For a test-free crimping wiring terminal described in this embodiment, the insulating housing 1 includes an insulating main body 12 and a cover plate 13, and the insulating main body 12 is detachably connected to the cover plate 13. Specifically, the above setting is convenient for assembly and convenient for maintaining and replacing internal components.
[0032] For a test-free crimping wiring terminal described in this embodiment, a plurality of insulating main bodies 12 are provided, and the plurality of insulating main bodies 12 are detachably connected in sequence. Specifically, several insulating main bodies 12 can be selected and assembled and spliced according to actual needs.
[0033] A kind of test-free crimping terminal described in this embodiment, a pressing member 14 is arranged at the top of the insulating housing 1, the pressing member 14 is located above the connection hole 3, and the pressing member 14 presses the terminal onto the conductive connection piece 4. Specifically, in addition to testing, when the utility model is normally connected, the external terminal can be positioned on the electrical connection piece through the pressing member 14 to ensure the stability of the connection, and the external terminal is not easy to withdraw from the connection hole 3.
[0034] A kind of test-free crimping terminal described in this embodiment, the pressing member 14 includes a handle push rod 15 and a connecting elastic sheet 16, the handle push rod 15 is located outside the insulating housing 1, the connecting elastic sheet 16 is located inside the accommodating cavity 2, the handle push rod 15 abuts against the connecting elastic sheet 16, and the handle push rod 15 can be pressed downward to drive the connecting elastic sheet 16 to rotate downward to press the terminal onto the conductive connection piece 4. Specifically, the above structure realizes the locking of the external terminal, with low structural cost and good locking effect.
[0035] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present utility model, and the scope of the present utility model is defined by the claims and their equivalents.
Claims
1. A test crimp-free terminal block, characterized in that: It includes an insulating shell, a accommodating cavity is arranged inside the insulating shell, a connecting hole is opened on the outside of the insulating shell, the connecting hole is communicated with the accommodating cavity, a conductive connecting sheet is arranged inside the accommodating cavity, a connecting pin is arranged at the bottom of the conductive connecting sheet, a through hole is opened on the top of the insulating shell, the connecting pin is passed through the through hole, and an abutting portion is arranged on the top of the conductive connecting sheet away from one end of the connecting hole, and the abutting portion is located on the axis of the connecting hole.
2. A test crimp-free terminal block according to claim 1, characterized in that: The rear end inner wall of the accommodating cavity is recessed inward to form a clamping groove, and the abutting portion is arranged in the clamping groove.
3. The test crimp-free terminal block according to claim 1, characterized in that: A snap-on spring sheet is disposed on the top of the accommodating cavity, one end of the snap-on spring sheet close to the connecting hole is tilted to form an introduction portion, and the snap-on spring sheet is located on the top of the conductive connecting sheet.
4. A test crimp-free terminal block according to claim 3, characterized in that: A positioning groove is provided inside the insulating shell, and the top of the clamping spring is arranged in the positioning groove.
5. The test crimp-free terminal block according to claim 1, characterized in that: The insulating shell includes an insulating body and a cover plate, and the insulating body and the cover plate are detachably connected.
6. A test crimp-free terminal block according to claim 5, characterized in that: The insulating bodies are provided in plurality, and the plurality of insulating bodies are detachably connected in sequence.
7. The test crimp-free terminal block according to claim 1, characterized in that: A pressing piece is arranged on the top of the insulating shell, and the pressing piece is located above the connecting hole. The pressing piece presses the terminal onto the conductive connecting sheet.
8. The test crimp-free terminal block according to claim 7, characterized in that: The pressing member includes a handle push rod and a connecting spring sheet, the handle push rod is located on the outside of the insulating shell, the connecting spring sheet is located inside the accommodating cavity, the handle push rod abuts against the connecting spring sheet, and the handle push rod can be pressed downward to drive the connecting spring sheet to rotate downward and press the terminal onto the conductive connecting sheet.