Connection terminal and electronic device
By designing the connection terminals, using screws to tighten the end of the wire into the connection body, the problems of complex operation and high cost of existing wiring terminals are solved, and stable fixation and low-cost wiring are achieved.
Patent Information
- Application Number
- CN202422106148.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-28
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-08-28
AI Technical Summary
The existing terminals are complex and costly during the wiring process, and require auxiliary fixation of holed terminals, and there is a risk of separation of wire and terminals.
A connection terminal is designed, including a connection body, a screw joint and a wire crimping member. By increasing the screw depth of the screw joint, the end of the wire is pressed into the connection body to form a fixation without the need for holed terminals, simplifying the wiring process and reducing production costs.
The stable fixation between the wire and the connecting terminal is achieved, the risk of wire separation is avoided, wiring operations are simplified, and production costs are reduced.
Smart Images
Figure CN223079393U_ABST
Abstract
Description
Technical Field
[0001] The embodiments of the present utility model relate to the technical field of electronic devices, and particularly to a connection terminal and an electronic device. Background Art
[0002] Wiring terminals are often used in electronic devices. Common wiring terminals mainly include press-fit nut welding terminals and copper / aluminum busbar wiring terminals. Among them, the press-fit nut welding terminals can be welded to the PCB board, but the wire harness must be equipped with OT round terminals to be locked and wired with screws, which is complex in operation and increases the wiring cost; the copper / aluminum busbar wiring terminals can be pressed and connected without the need for the wire harness to have OT terminals, but the terminals themselves need to be machined, resulting in high production costs.
[0003] How to make the wiring process of the wiring terminal simple and fast, be able to wire and energize without adding additional terminals, and reduce production costs is an urgent problem to be solved by the current wiring terminals. Summary of the Utility Model
[0004] The main technical problem to be solved by the embodiments of the present utility model is to provide a connection terminal and an electronic device, which do not need to use perforated terminals to fix the wire to the connection terminal, and the wiring is simple and fast and can reduce production costs.
[0005] To solve the above technical problem, one technical solution adopted by the embodiments of the present utility model is: to provide a connection terminal, including a connection body, a screwing member, and a wire pressing member. The connection body includes a first fixing portion, a bottom plate, a first side plate, and a first top plate. The first fixing portion is used to fix to the substrate of the circuit board. The bottom plate is connected to the fixing portion. One end of the first side plate is connected to the bottom plate, and the first top plate is connected to the other end of the first side plate. The bottom plate and the first top plate are opposite to each other, and the bottom plate, the first side plate, and the first top plate jointly enclose a wiring space; the connection body is provided with a screw hole penetrating the first top plate, the screwing member is screwed into the screw hole, the wire pressing member includes a screwing portion, a connecting portion, and a pressing portion connected in sequence. Along a first direction, the screwing portion is located between the first top plate and the nut of the screwing member, the first direction is perpendicular to the bottom plate, and at least a part of the pressing portion is received in the wiring space, and the pressing portion and the bottom plate are jointly used to press the wire.
[0006] In some embodiments, the screwing portion is provided with an avoidance opening, the screwing member passes through the avoidance opening, and one end of the screwing portion abuts against the first top plate, and the other end of the screwing portion abuts against the nut.
[0007] In some embodiments, the connection terminal further includes a washer, and the washer is disposed between the first top plate and the screwing portion.
[0008] In some embodiments, the connection body further includes a second side plate and a second top plate. The second side plate is connected to one end of the bottom plate away from the first side plate, and the second top plate is connected to one end of the second side plate away from the bottom plate. And along the first direction, the first top plate and the second top plate are stacked, and the screw hole penetrates through the first top plate and the second top plate.
[0009] In some embodiments, a first welding portion is provided at one end of the first fixing portion away from the bottom plate, a first welding hole is provided on the substrate, the first welding portion passes through the first welding hole, and the first welding portion is fixedly welded to the substrate.
[0010] In some embodiments, a plurality of first welding portions are provided on the first fixing portion at intervals, a plurality of first welding holes are provided on the substrate, one first welding portion passes through one first welding hole, and the plurality of first welding portions are all fixedly welded to the substrate.
[0011] In some embodiments, the connection body further includes a second fixing portion. The second fixing portion is connected to one end of the bottom plate away from the first fixing portion. The first fixing portion and the second fixing portion are opposite to each other. A second welding portion is provided on the second fixing portion, a second welding hole is provided on the substrate, the second welding portion passes through the second welding hole, and the second welding portion is fixedly welded to the substrate.
[0012] In some embodiments, a plurality of second welding portions are provided on the second fixing portion at intervals, a plurality of second welding holes are provided on the substrate, one second welding portion passes through one second welding hole, and the plurality of second welding portions are all fixedly welded to the substrate.
[0013] To solve the above technical problems, another technical solution adopted in the embodiments of the present invention is: to provide an electronic device, including a circuit board and the above-mentioned connection terminal, and the connection terminal is arranged on the circuit board.
[0014] In some embodiments, the circuit board includes a substrate and a wire. The connection terminal is fixed to the substrate, and the wire is fixed between the pressing portion of the connection terminal and the bottom plate.
[0015] The beneficial effects of the embodiments of the present invention are: different from the prior art, in the embodiments of the present invention, one end of the first side plate is connected to the bottom plate, the first top plate is connected to the other end of the first side plate, and the bottom plate and the first top plate are opposite to each other, so that the bottom plate, the first side plate and the first top plate jointly enclose a wiring space; by providing a screw hole penetrating the first top plate, when a screw member is screwed into the screw hole, as the screwing depth increases, the pressing member gradually presses the end of the wire against the bottom plate, thereby realizing the fixation between the wire and the connection body, without using a perforated terminal for connection, avoiding the risk of separation between the perforated terminal and the wire when being pulled, being beneficial to improving the connection strength between the wire and the connection body, and the wiring is simple and fast and can reduce costs. Description of the Drawings
[0016] To more clearly illustrate the technical solutions in the specific embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.
[0017] Figure 1 is a schematic structural diagram of a copper / aluminum row terminal in the prior art;
[0018] Figure 2 is a schematic structural diagram of a terminal in the prior art;
[0019] Figure 3 is a schematic structural diagram of a circuit board provided in an embodiment of the present invention;
[0020] Figure 4 is an exploded schematic structural diagram of the circuit board provided in an embodiment of the present invention. Detailed Embodiments
[0021] For ease of understanding the present invention, the following will describe the present invention in more detail in conjunction with the drawings and specific embodiments. It should be noted that when an element is expressed as "fixed to" another element, it can be directly on the other element, or there can be one or more intermediate elements therebetween. When an element is expressed as "connected to" another element, it can be directly connected to the other element, or there can be one or more intermediate elements therebetween. The terms "upper", "lower", "inner", "outer", "vertical", "horizontal", etc. used in this specification indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as a limitation of the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.
[0022] Unless otherwise defined, all the technical and scientific terms used in this specification have the same meaning as commonly understood by those skilled in the technical field to which the present invention belongs. The terms used in the description of the present invention in this specification are only for the purpose of describing specific embodiments and are not used to limit the present invention. The term "and / or" used in this specification includes any and all combinations of one or more of the related listed items.
[0023] In addition, the technical features involved in different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
[0024] Please refer toFigure 1 , existing terminal blocks generally include welding terminals 4, screws 5, and wire 6. A perforated terminal 7 is provided at the end of the wire 6, and the perforated terminal 7 and the wire 6 are clamped and fixed by a claw portion 71. By passing the screw 5 through the hole 72 of the perforated terminal 7 and then screwing it into the screw hole 41 on the welding terminal 4, the fixing between the perforated terminal 7 and the welding terminal 4 is achieved and electrical connection is realized. When the wire 6 is pulled, it is easy to cause the separation of the wire 6 from the perforated terminal 7, affecting the connection strength between the wire 6 and the welding terminal 4. In addition, during the wiring process, it is necessary to first fix the perforated terminal 7 to the wire 6, then sleeved the perforated terminal 7 on the screw 5, and then screw the screw 5 into the screw hole 41 of the welding terminal 4, with cumbersome operations.
[0025] In order to avoid the easy separation of the wire 6 from the perforated terminal 7 when being pulled, and at the same time simplify the wiring operation, in the related art, a copper / aluminum bar terminal block 8 appears. Please refer to Figure 2 , a receiving groove 81 and a screw hole 82 are formed on the copper / aluminum bar terminal block 8. The receiving groove 81 communicates with the screw hole 82, and the axis of the receiving groove 81 is perpendicular to the axis of the screw hole 82. During the wiring process, only the end of the wire 6 needs to be inserted into the receiving groove 81, and then the screw 5 is tightened into the screw hole 82, so that the end of the wire 6 can be fixed to the copper / aluminum bar terminal block 8, and its wiring process is simple. However, in this way, the terminal block itself needs to be machined to form the receiving groove 81 and the screw hole 82, resulting in high production and manufacturing costs and expensive prices.
[0026] Therefore, the present application provides a connection terminal, which has a simple and fast wiring and a relatively low cost.
[0027] Please refer to Figure 3 and Figure 4 , the connection terminal 1 includes a connection body 11, a wire pressing member 12, and a screwing member 13. The connection body 11 is fixed on the substrate 21 of the circuit board 2 and forms an electrical connection with a circuit (not shown) provided on the substrate 21. The connection body 11 forms a wiring space 115 for receiving the end 221 of the wire 22. One end of the wire pressing member 12 is received in the wiring space 115, and the other end of the wire pressing member 12 is connected to the screwing member 13. The connection body 11 is provided with a screw hole 116, and the screwing member 13 is screwed into the screw hole 116. As the screwing depth of the screwing member 13 increases, the screwing member 13 and the wire pressing member 12 gradually squeeze the wiring space 115, thereby gradually squeezing and fixing the end 221 of the wire 22 and the connection body 11, realizing the fixing between the wire 22 and the connection terminal 1 and forming an electrical connection.
[0028] For the above connection body 11, please refer to Figure 3 and Figure 4, the connecting body 11 includes a first fixing portion 111, a bottom plate 112, a first side plate 113 and a first top plate 114. The first fixing portion 111 is used to be fixed to the substrate 21 and form an electrical connection with the circuit on the substrate 21. The bottom plate 112 is connected to one end of the first fixing portion 111 away from the substrate 21, and the bottom plate 112 is substantially parallel to the substrate 21. One end of the first side plate 113 is connected to the bottom plate 112, and the first top plate 114 is connected to the other end of the first side plate 113. The first top plate 114 is opposite to the bottom plate 112, so that the bottom plate 112, the first side plate 113 and the first top plate 114 jointly enclose the above-mentioned wiring space 115. The above-mentioned screw hole 116 penetrates through the first top plate 114 along the first direction X, and the first direction X is perpendicular to the bottom plate 112. Along the first direction X, one end of the wire pressing member 12 is located between the nut 131 of the screwing member 13 and the first top plate 114, and the other end of the wire pressing member 12 is located between the first top plate 114 and the bottom plate 112. The end portion 221 of the wire 22 is placed between the wire pressing member 12 and the bottom plate 112. When the screwing depth of the screwing member 13 screwed into the screw hole 116 gradually increases, the wire pressing member 12 gradually approaches the bottom plate 112 along the first direction X, thereby gradually pressing and fixing the wire 22 between the bottom plate 112 and the wire pressing member 12. With such a setting, there is no need to provide a perforated terminal at the end portion 221 of the wire 22, avoiding the separation between the perforated terminal and the wire 22 when the wire 22 is pulled, and improving the connection strength between the wire 22 and the connection terminal 1.
[0029] In some embodiments, please refer to Figure 3 and Figure 4, the connecting body 11 further includes a second side plate 117 and a second top plate 118. The second side plate 117 is connected to one end of the bottom plate 112 away from the first side plate 113. The second side plate 117 is opposite to the first side plate 113. The second top plate 118 is connected to one end of the second side plate 117 away from the bottom plate 112. And along the first direction X, the first top plate 114 and the second top plate 118 are stacked. The screw hole 116 sequentially penetrates through the first top plate 114 and the second top plate 118. Among them, the bottom plate 112, the first side plate 113, the first top plate 114, the second side plate 117 and the second top plate 118 jointly enclose the above-mentioned wiring space 115. In this embodiment, by providing the second side plate 117 and the second top plate 118, the strength of the connecting body 11 can be enhanced. When the screw connector 13 and the wire pressing member 12 jointly press the end portion 221 of the wire 22 between the wire pressing member 12 and the bottom plate 112, the risk of the first side plate 113 and the second side plate 117 being bent can be reduced, thereby improving the strength of the connecting body 11; in addition, by stacking the first top plate 114 and the second top plate 118 and the screw hole 116 penetrates through the first top plate 114 and the second top plate 118, the length of the screw hole 116 is increased. When the screw connector 13 is screwed into the screw hole 116, a greater screwing force can be provided to the screw connector 13, reducing the risk of the screw connector 13 loosening, and further reducing the risk of the wire 22 separating from the connecting body 11.
[0030] In some embodiments, please refer to Figure 3 and Figure 4 , one end of the first fixing portion 111 away from the bottom plate 112 is provided with a first welding portion 1111. The substrate 21 is provided with a first welding hole 211. The first welding portion 1111 penetrates through the first welding hole 211, and the first welding portion 1111 is fixedly welded to the substrate 21. In this embodiment, by passing the first welding portion 1111 through the first welding hole 211, when the first welding portion 1111 is fixedly welded to the substrate 21, the welding material can fill at least part of the gap between the first welding portion 1111 and the first welding hole 211, thereby improving the connection strength between the first welding portion 1111 and the substrate 21, and further improving the stability of the fixation between the connecting body 11 and the substrate 21.
[0031] Furthermore, the first fixing portion 111 is provided with a plurality of first welding portions 1111 distributed at intervals. The substrate 21 is provided with a plurality of first welding holes 211. One first welding portion 1111 penetrates through one first welding hole 211, and the plurality of first welding portions 1111 are all fixedly welded to the substrate 21. In this embodiment, by providing a plurality of first welding portions 1111 and all the plurality of first welding portions 1111 are fixedly welded to the substrate 21, the stability of the fixation between the connecting body 11 and the substrate 21 can be improved.
[0032] In some embodiments, refer to Figure 3 and Figure 4 , the connecting body 11 further includes a second fixing portion 119. The second fixing portion 119 is connected to one end of the bottom plate 112 away from the first fixing portion 111, and the second fixing portion 119 is opposite to the first fixing portion 111. A second welding portion 1191 is provided at one end of the second fixing portion 119 away from the bottom plate 112. The substrate 21 is provided with a second welding hole 212. The second welding portion 1191 passes through the second welding hole 212, and the second welding portion 1191 is fixedly welded to the substrate 21. In this embodiment, by fixedly welding the second welding portion 1191 to the substrate 21, the stability of the fixation between the connecting body 11 and the substrate 21 can be improved.
[0033] Further, a plurality of second welding portions 1191 are spaced apart from each other at one end of the second fixing portion 119 away from the bottom plate 112. The substrate 21 is provided with a plurality of second welding holes 212. One second welding portion 1191 passes through one second welding hole 212, and the plurality of second welding portions 1191 are all fixedly welded to the substrate 21, thereby improving the stability of the fixation between the connecting body 11 and the substrate 21.
[0034] For the above wire pressing member 12, refer to Figure 3 and Figure 4, the wire pressing member 12 includes a screwing portion 121, a connecting portion 122 and a pressing portion 123. The screwing portion 121 is connected to one end of the connecting portion 122, the pressing portion 123 is connected to the other end of the connecting portion 122, and the screwing portion 121 is opposite to the pressing portion 123. Along the first direction X, the pressing portion 123 is located between the nut 131 and the first top plate 114, so that the nut 131 and the first top plate 114 jointly press the screwing portion 121. At least part of the pressing portion 123 is received in the wiring space 115, and the pressing portion 123 is located between the end of the screw member 13 away from the nut 131 and the bottom plate 112. The pressing portion 123 and the bottom plate 112 are jointly used to press the end portion 221 of the wire 22. Specifically, as the screwing depth of the screw member 13 screwed into the screw hole 116 increases, the pressing portion 123 gradually approaches the bottom plate 112, thereby pressing the end portion 221 of the wire 22 between the pressing portion 123 and the bottom plate 112, realizing the fixation between the wire 22 and the connecting terminal 1 and achieving electrical connection. In this embodiment, by pressing and fixing the end portion 221 of the wire 22 to the bottom plate 112 through the pressing portion 123 of the wire pressing member 12, the contact area between the wire 22, the pressing portion 123 and the bottom plate 112 can be increased, which is beneficial to improving the connection strength between the wire 22 and the connecting terminal 1; in addition, by pressing and fixing the end portion 221 of the wire 22 to the connecting terminal 1 through the pressing portion 123, there is no need to provide a perforated terminal at the end portion 221 of the wire 22, avoiding the separation between the perforated terminal and the wire 22, which is beneficial to further improving the connection strength between the wire 22 and the connecting terminal 1; in addition, compared with Figure 1 and Figure 3 in the structure, the wiring in this application is simple and fast, and the cost of the connecting terminal 1 is relatively low.
[0035] In some embodiments, please refer to Figure 3 and Figure 4 , the screwing portion 121 is provided with an avoidance opening 1211, and the screw member 13 passes through the avoidance opening 1211. In this embodiment, by providing the avoidance opening 1211, during the process of pressing and fixing the wire 22 between the bottom plate 112 and the pressing portion 123, the screw member 13 can be first screwed into the screw hole 116 and rotated to a preset position, and then the screwing portion 121 can be clamped into the position between the nut 131 and the first top plate 114, without first sleeving the pressing portion 123 on the screw member 13 and then screwing the screw member 13 into the screw hole 116, avoiding the inconvenience caused by the pressing member rotating with the screw member 13 during the rotation of the screw member 13.
[0036] In some embodiments, the connecting terminal 1 further includes a washer 14, and the washer 14 is disposed between the first top plate 114 and the screwing portion 121. By providing the washer 14, the pressure between the screw member 13 and the first top plate 114 can be increased, which is beneficial to reducing the risk of loosening of the screw member 13.
[0037] In an embodiment of the present utility model, one end of the first side plate 113 is connected to the bottom plate 112, the first top plate 114 is connected to the other end of the first side plate 113, and the bottom plate 112 is opposite to the first top plate 114, so that the bottom plate 112, the first side plate 113, and the first top plate 114 jointly enclose a wiring space 115; by providing a screw hole 116 penetrating through the first top plate 114, when the screw member 13 is screwed into the screw hole 116, as the screwing depth increases, the wire pressing member 12 gradually presses the end 221 of the wire 22 against the bottom plate 112, thereby realizing the fixation between the wire 22 and the connection body 11. There is no need to use a perforated terminal for connection, avoiding the risk of separation between the perforated terminal and the wire 22 when being pulled, which is beneficial to improving the connection strength between the wire 22 and the connection body 11, and the wiring is simple and fast, with a relatively low production cost.
[0038] The present utility model further provides an embodiment of an electronic device 100. The electronic device 100 includes a circuit board 2 and the above-mentioned connection terminal 1, and the connection terminal 1 is arranged on the circuit board 2.
[0039] In some embodiments, please refer to Figure 3 and Figure 4 , the circuit board 2 includes a wire 22 and a substrate 21. A circuit is arranged on the substrate 21. At least one of the first fixing portion 111 and the second fixing portion 119 of the connection terminal 1 is electrically connected to the circuit. The connection terminal 1 is welded and fixed to the substrate 21 through the first fixing portion 111 and the second fixing portion 119. The wire core at the end 221 position of the wire 22 is exposed, and the end 221 of the wire 22 is jointly pressed and fixed by the wire pressing portion 123 and the bottom plate 112, realizing the electrical connection between the wire 22 and the connection terminal 1 at the same time.
[0040] The above are only embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall be included in the patent protection scope of the present utility model by the same token.
Claims
1. A connection terminal, characterized in that, Comprising: A connection body, including a first fixing portion, a bottom plate, a first side plate, and a first top plate. The first fixing portion is used for fixing with the substrate of the circuit board. The bottom plate is connected to the fixing portion. One end of the first side plate is connected to the bottom plate, and the other end of the first side plate is connected to the first top plate. The bottom plate and the first top plate are opposite to each other, and the bottom plate, the first side plate, and the first top plate jointly enclose a wiring space; A screwing member and a wire pressing member. The connection body is provided with a screw hole penetrating through the first top plate. The screwing member is screwed into the screw hole. The wire pressing member includes a screwing portion, a connecting portion, and a pressing portion connected in sequence. Along a first direction, the screwing portion is located between the first top plate and the nut of the screwing member. The first direction is perpendicular to the bottom plate. At least a part of the pressing portion is received in the wiring space, and the pressing portion and the bottom plate are jointly used for pressing the wire.
2. The connection terminal according to claim 1, wherein The screwing portion is provided with an avoidance opening. The screwing member passes through the avoidance opening, and one end of the screwing portion abuts against the first top plate, and the other end of the screwing portion abuts against the nut.
3. The connection terminal according to claim 1, wherein The connection terminal further includes a washer, and the washer is disposed between the first top plate and the screwing portion.
4. The connection terminal according to claim 1, wherein The connection body further includes a second side plate and a second top plate. The second side plate is connected to the end of the bottom plate away from the first side plate, and the second top plate is connected to the end of the second side plate away from the bottom plate. And along the first direction, the first top plate and the second top plate are stacked, and the screw hole penetrates through the first top plate and the second top plate.
5. The connection terminal according to claim 1, wherein One end of the first fixing portion away from the bottom plate is provided with a first welding portion. The substrate is provided with a first welding hole. The first welding portion passes through the first welding hole, and the first welding portion is fixedly welded to the substrate.
6. The connection terminal according to claim 5, wherein The first fixing portion is provided with a plurality of first welding portions distributed at intervals. The substrate is provided with a plurality of first welding holes. One first welding portion passes through one first welding hole, and all the plurality of first welding portions are fixedly welded to the substrate.
7. The connection terminal according to claim 1, wherein The connection body further includes a second fixing portion. The second fixing portion is connected to the end of the bottom plate away from the first fixing portion. The first fixing portion and the second fixing portion are opposite to each other. The second fixing portion is provided with a second welding portion. The substrate is provided with a second welding hole. The second welding portion passes through the second welding hole, and the second welding portion is fixedly welded to the substrate.
8. The connection terminal according to claim 7, wherein The second fixing portion is provided with a plurality of second welding portions distributed at intervals, the substrate is provided with a plurality of second welding holes, one of the second welding portions passes through one of the second welding holes, and the plurality of second welding portions are all welded and fixed to the substrate.
9. An electronic device, characterized in that, It includes a circuit board and the connection terminal according to any one of claims 1-8, and the connection terminal is arranged on the circuit board.
10. The electronic device according to claim 9, wherein, The circuit board includes a substrate and a wire, the connection terminal is fixed to the substrate, and the wire is fixed between the pressing portion of the connection terminal and the bottom plate.