Hardware crimping terminal
By designing a special structure of conductive bracket and crimp connector in the hardware crimp terminal, the problem of easy loosening of crimp nut and pin bracket is solved, realizing a stable connection in vibration environment and enhancing the overall stability and durability of the terminal.
Patent Information
- Application Number
- CN202520216918.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-11
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-02-11
AI Technical Summary
The crimp nuts and pin supports of existing metal wire terminals are prone to loosening under long-term vibration or frequent tightening and loosening, resulting in unstable connections and affecting the stability and firmness of use.
A conductive bracket and a press-fit connector were designed. The press-fit connector is equipped with a guide part, embossed riveting teeth, press-fit limiting teeth, and a meshing part. The riveting connection enhances stability. The press-fitting insert fits into the mounting hole. The embossed riveting teeth increase the contact area. The press-fit limiting teeth prevent rotation. The meshing part improves reliability.
It improves the connection stability and firmness between the crimped connector and the conductive bracket, prevents loosening, enhances the overall stability and durability of the hardware crimped terminal, and ensures that it is not easy to loosen in a vibration environment.
Smart Images
Figure CN223612701U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the hardware terminal field, concretely relates to hardware press -in terminal. BACKGROUND
[0002] Hardware press -in terminal, as an important electrical connection element, has been widely used in many key fields. Including but not limited to the application in communication equipment, rail transit, lighting system, building intelligentization, automobile manufacturing, electrical and electronic fields and other fields. This kind of terminal is usually used to connect wires or conductors to electronic devices, circuit boards or other electrical components to ensure that the current can flow stably between the connection points, so as to realize the normal operation of the circuit. Hardware press -in terminal not only plays a key role in various industrial applications, but also plays an important role in improving the stability and efficiency of electrical systems.
[0003] The existing hardware press -in terminal usually has a specially designed crimping part, which can tightly contact the conductor with the terminal conductor by external screw extrusion when the wire is inserted into the connector, so as to establish electrical connection. This connection method is relatively stable and can maintain the reliability of the connection in vibration, impact and other environments. The basic structure of this kind of hardware press -in terminal includes a pin support and a terminal head arranged on the pin support.
[0004] However, although the existing hardware press -in terminal performs well in electrical connection, there are still some defects. In the process of pressing rivet nut and pin support, the pressing rivet locking mechanism can indeed provide better locking effect in the initial stage, but under the influence of long-term vibration environment or frequent screw tightness, the pressing rivet locking mechanism may be degraded due to material fatigue, wear or plastic deformation, which may gradually increase the deformation of the pressing rivet nut and pin support gap, and may further loosen due to vibration and impact, thereby affecting the firmness of the press -in terminal, resulting in poor firmness and stability of the hardware press -in terminal formed by the combination of the pressing rivet nut and the pin support, affecting the actual use. UTILITY MODEL CONTENTS
[0005] The utility model aims at solving the above defects, providing hardware press -in terminal to solve the technical problem that the stability of the riveting structure of the hardware press -in terminal is poor, which leads to easy deformation or loosening under long-term use, thereby affecting the stability and firmness of the press -in terminal.
[0006] The utility model aims at solving the above defects, providing hardware press -in terminal to solve the technical problem that the stability of the riveting structure of the hardware press -in terminal is poor, which leads to easy deformation or loosening under long-term use, thereby affecting the stability and firmness of the press -in terminal.
[0007] The hardware crimping terminal comprises a conductive support and a crimping connector arranged on the conductive support, one end of the crimping connector is formed with a protruding guide portion, the outer surface of the guide portion is provided with a crimping embedding portion matched with the mounting hole, the end surface of the crimping connector close to the guide portion is formed with a tooth-shaped embossing riveting tooth, and the end surface of the crimping connector is formed with a protruding crimping limiting tooth, the two ends of the crimping limiting tooth are formed with symmetrically arranged crimping limiting portions, the outer side surface of the crimping limiting portion is formed with an inwardly recessed clamping portion, and the outer side surface of the crimping limiting portion is formed with an embedding positioning surface, the conductive support is provided with a mounting hole connected with the guide portion, the crimping connector is riveted and connected with the bottom of the conductive support through the embossing riveting tooth and the crimping limiting tooth, and the guide portion of the crimping connector passes through the mounting hole and is embedded and installed through the crimping embedding portion.
[0008] Further in the above description, the crimping embedding portion is formed on the outer side surface of the guide portion, and the outer diameter of the crimping embedding portion is larger than the outer diameter of the guide portion, and a crimping gap is formed between the crimping embedding portion and the embossing riveting tooth.
[0009] Through the embedding of the crimping embedding portion and the mounting hole, the stability and firmness of the connection between the crimping connector and the conductive support are improved, the crimping embedding portion can axially limit the crimping connector, the crimping gap can make the extruded material of riveting embedded inside, and the riveting reliability and stress relief of the crimping embedding portion can be further improved.
[0010] Further in the above description, the embossing riveting tooth is arranged between the embossing connector and the guide portion, the embossing riveting tooth is arranged on the end surface of the crimping connector in the form of a boss, and the embossing riveting tooth is riveted and installed on the bottom of the conductive support, so that the bottom of the conductive support is formed with a riveting groove matched with the embossing riveting tooth.
[0011] The embossing riveting tooth can improve the riveting firmness with the conductive support, limit the crimping connector, avoid the rotation of the crimping connector due to vibration, increase the wedge surface of riveting contact through the tooth-shaped arrangement of the embossing riveting tooth, and improve the stability and reliability of riveting contact.
[0012] Further in the above description, a threaded connection hole is arranged on the crimping connector and penetrates through the guide portion, and the threaded connection hole is coaxially arranged with the mounting hole.
[0013] The threaded connection hole is used for connecting external crimping screws, specifically, the crimping terminal is welded on the circuit board, and the external wire can be pressed on the circuit board through the threaded connection hole.
[0014] Further in the above description, the middle part of the rivet limiting tooth is formed with a rivet positioning part, the upper surface of the rivet limiting tooth is formed with an arc-shaped rivet inclined surface, and the rivet limiting tooth and the embossed riveting tooth form a rivet groove.
[0015] The rivet limiting part and the rivet positioning part on the rivet limiting tooth further improve the firmness of the rivet connection with the conductive support, the rivet limiting part on both sides of the rivet limiting tooth can limit the rotation direction, and the rivet positioning part further improves the stability and reliability of the rivet assembly, and prevents the rivet connector from rotating radially.
[0016] Optionally, the engagement part is arranged to improve the rivet contact surface with the conductive support, so as to further ensure the reliability of the rivet connection with the conductive support, and prevent the rivet nut from loosening.
[0017] Further in the above description, the two sides of the conductive support are formed with symmetrically arranged support parts through bending, and the bottom of the support part is provided with a pin for welding installation.
[0018] The beneficial effects of the utility model are as follows: the rivet connector is connected with the conductive support in a riveting manner, the guide part is arranged to facilitate the correct alignment of the rivet connector with the mounting hole of the conductive support during installation, to ensure the accuracy and smoothness of the riveting process, the rivet embedding part is matched and embedded with the mounting hole, to enhance the connection strength between the rivet connector and the conductive support, the embossed riveting tooth increases the rivet contact area and friction with the conductive support, to effectively prevent the rivet connector from loosening after long-term use, the rivet limiting tooth further ensures the stability of the rivet connection between the rivet connector and the conductive support, the symmetric design of the rivet limiting part ensures the balanced stress during the riveting process, to avoid damage caused by stress concentration, meanwhile, the engagement part on the rivet limiting part increases the rivet locking effect of the rivet connector and the conductive support, to reduce the loosening phenomenon under the action of vibration or external force, and the embedding positioning surface prevents the rivet connector from rotating and loosening after long-term use, to enhance the overall stability and durability of the rivet terminal. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a whole structure schematic view of the top view angle of the embodiment;
[0020] Figure 2 It is a whole structure schematic view of the bottom view angle of the embodiment;
[0021] Figure 3 It is a structure schematic view of the rivet connector in the embodiment;
[0022] Figure 4 It is a side view of the rivet connector in the embodiment;
[0023] Figure 5 Fig. 1 is a structural schematic diagram of the conductive support in the embodiment;
[0024] In the figure, the reference numerals are as follows: 100-conductive support, 101-mounting hole, 102-riveting groove, 103-supporting part, 104-pin, 200-riveting connector, 201-guide part, 202-riveting embedding part, 203-riveting embossing tooth, 204-riveting limiting tooth, 205-riveting limiting part, 206-biting part, 207-embedding positioning surface, 208-riveting gap, 209-threaded hole, 210-riveting positioning part, and 211-riveting groove. DETAILED DESCRIPTION
[0025] The utility model will be described in further detail below in combination with the drawings and specific embodiments.
[0026] In the embodiment, reference is made to Figures 1-5 The hardware wire pressing terminal is specifically implemented, and includes a conductive support 100 and a riveting connector 200 arranged at the bottom of the conductive support 100. One end of the riveting connector 200 is formed with a protruding guide part 201. The outer surface of the guide part 201 is provided with a riveting embedding part 202 matched with the mounting hole 101. The end surface of the riveting connector 200 close to the guide part 201 is formed with a tooth-shaped riveting embossing tooth 203. The end surface of the riveting connector 200 is formed with a protruding riveting limiting tooth 204. The two ends of the riveting limiting tooth 204 are formed with symmetrically arranged riveting limiting parts 205. The outer side surface of the riveting limiting part 205 is formed with an inwardly recessed biting part 206. The outer side surface of the riveting limiting part 205 is formed with an embedding positioning surface 207. The middle part of the conductive support 100 is provided with a mounting hole 101 connected with the guide part 201. The riveting connector 200 is riveted and connected with the bottom of the conductive support 100 through the riveting embossing tooth 203 and the riveting limiting tooth 204. The guide part 201 of the riveting connector 200 passes through the mounting hole 101 and is embeddedly installed through the riveting embedding part 202.
[0027] The riveting embedding part 202 is formed on the outer side surface of the guide part 201. The outer diameter of the riveting embedding part 202 is greater than the outer diameter of the guide part 201. The riveting embedding part 202 and the riveting embossing tooth 203 are formed with a riveting gap 208. Through the embedded arrangement of the riveting embedding part 202 and the mounting hole 101, the stability and firmness of the riveting connector 200 connected with the conductive support 100 are improved. The riveting embedding part 202 can axially limit the riveting connector 200. The riveting gap 208 can make the extruded material of riveting embedded in the interior, and can further improve the riveting reliability and stress elimination of the riveting embedding part 202.
[0028] The embossing riveting tooth 203 is arranged between the embossing connecting head and the guide part 201, and is arranged on the end surface of the embossing riveting connecting head 200 in the form of a boss. The embossing riveting tooth 203 is installed on the bottom of the conductive support 100 through riveting, and the bottom of the conductive support 100 is formed with a riveting groove 102 matched with the embossing riveting tooth 203. The embossing riveting tooth 203 can improve the riveting firmness of the conductive support 100, limit the embossing riveting connecting head 200, prevent the embossing riveting connecting head 200 from rotating due to vibration, increase the wedge surface of riveting contact through the tooth-shaped arrangement of the embossing riveting tooth 203, and improve the stability and reliability of riveting contact.
[0029] The middle part of the embossing riveting connecting head 200 is provided with a threaded connecting hole 209 penetrating through and in communication with the guide part 201 of the embossing riveting connecting head 200 and coaxially arranged with the mounting hole 101. The threaded connecting hole 209 is used for connecting an external wire pressing screw. Specifically, the wire terminal is welded on the circuit board, and the external wire is pressed on the circuit board through the wire pressing screw penetrating through the threaded connecting hole 209.
[0030] The middle part of the embossing riveting limiting tooth 204 is formed with an embossing riveting positioning part 210, and the upper surface of the embossing riveting limiting tooth 204 is formed with an arc-shaped embossing riveting inclined surface. The embossing riveting limiting tooth 204 and the embossing riveting tooth 203 form an embossing riveting groove 211. The embossing riveting limiting part 205 and the embossing riveting positioning part 210 on the embossing riveting limiting tooth 204 further improve the firmness of the riveting connection with the conductive support 100. The embossing riveting limiting parts 205 on both sides of the embossing riveting limiting tooth 204 limit the rotating direction, the embossing riveting positioning part 210 further improves the stability and reliability of the riveting assembly, and prevents the radial rotation of the embossing riveting connecting head 200.
[0031] Optionally, the engagement part 206 improves the riveting contact surface with the conductive support 100, further ensures the riveting reliability with the conductive support 100, and prevents the loosening of the embossing riveting nut.
[0032] The two sides of the conductive support 100 are formed with symmetrically arranged support parts 103 through bending, and the bottom of the support part 103 is provided with a pin 104 for welding installation. Specifically, the embossing riveting limiting tooth 204 arranged in the circumferential direction in the embodiment ensures that the internal stress of the embossing riveting embedded in the conductive support 100 is consistent, and prevents the deformation of the embossing riveting limiting tooth 204 at a certain position due to uneven internal stress.
[0033] The specific embossing riveting structure in the embodiment is as follows:
[0034] The rivet connection head 200 and the conductive support 100 are firmly connected by riveting through a riveting machine to form a hardware rivet terminal, specifically, the guide part 201 is arranged to facilitate the correct alignment of the rivet connection head 200 with the mounting hole 101 on the conductive support 100 during installation, ensuring the accuracy and smooth progress of the riveting process, the guide part 201 is installed by being embedded with the mounting hole 101 through the riveting embedding part 202, thereby enhancing the connection strength between the rivet connection head 200 and the conductive support 100, the design of the embossed riveting teeth 203 increases the riveting contact area and friction force with the conductive support 100, effectively preventing the rivet connection head 200 from loosening after long-term use, and the arrangement of the riveting limiting teeth 204 further ensures the stability of the riveting connection between the rivet connection head 200 and the conductive support 100, the balanced force during the riveting process is ensured by the symmetrical design of the riveting limiting parts 205 at both ends of the riveting limiting teeth 204, thereby avoiding damage caused by stress concentration, the riveting limiting teeth 204 in the embodiment are provided with four groups, meanwhile, the riveting locking effect of the rivet connection head 200 and the conductive support 100 is enhanced by the occlusion part 206 on the riveting limiting part 205 under the riveting of the riveting limiting part 205 and the conductive support 100, the occlusion part 206 and the embedded positioning surface 207 prevent the rivet connection head 200 from rotating and loosening after long-term use, and the riveting of the conductive support 100 is embedded into the riveting groove 211, thereby increasing the rotational resistance of the rivet connection head 200, the more the embedded blank, the more stable the structure of the rivet connection head 200, so that the rivet connection head 200 is not easy to loosen, and the overall stability and durability of the rivet terminal are enhanced.
[0035] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application is disclosed as above, it is not intended to limit the present application, and any skilled person in the art can make some changes or modifications within the scope of the technical solution of the present application without departing from the technical solution of the present application. Any simple modification, equivalent change and modification of the above embodiment within the scope of the technical solution of the present application are all within the scope of the technical solution of the present application.
Claims
1. A metal wire pressing terminal comprising a conductive support and a press-in rivet connector provided on the conductive support, characterized in that: One end of the rivet connection head is formed with a protruding guide part, the outer surface of the guide part is provided with a rivet embedding part matched with the mounting hole, the end surface of the rivet connection head close to the guide part is formed with a toothed embossed riveting tooth, and the end surface of the rivet connection head is formed with a protruding rivet limiting tooth, the two ends of the rivet limiting tooth are formed with symmetrically arranged rivet limiting parts, the outer side surface of the rivet limiting part is formed with an inwardly recessed engagement part, and the outer side surface of the rivet limiting part is formed with an embedding positioning surface, the conductive support is provided with a mounting hole connected with the guide part, the rivet connection head is riveted and connected with the bottom of the conductive support through the embossed riveting tooth and the rivet limiting tooth, and the guide part of the rivet connection head passes through the mounting hole and is embedded and installed through the rivet embedding part.
2. The wire compression terminal of claim 1, wherein: The rivet embedding part is formed on the outer side surface of the guide part, and the outer diameter of the rivet embedding part is larger than the outer diameter of the guide part.
3. The wire compression terminal of claim 1, wherein: The embossed riveting tooth is arranged between the embossed connection head and the guide part, the embossed riveting tooth is arranged on the end surface of the rivet connection head in the form of a boss, and the embossed riveting tooth is riveted and installed on the bottom of the conductive support, so that the bottom of the conductive support is formed with a riveting groove matched with the embossed riveting tooth.
4. The wire compression terminal of claim 1, wherein: The rivet connection head is provided with a through-threaded connection hole, the threaded connection hole is in communication with the guide part of the rivet connection head and is coaxially arranged with the mounting hole.
5. The terminal of any of claims 1-4, wherein: The middle part of the rivet limiting tooth is formed with a rivet positioning part, the upper surface of the rivet limiting tooth is formed with an arc-shaped rivet inclined surface, and the rivet limiting tooth and the embossed riveting tooth form a rivet groove.
6. The terminal of any of claims 1-4, wherein: The two sides of the conductive support are formed with symmetrically arranged support parts by bending, and the bottom of the support part is provided with a pin for welding installation.