Combined conductive terminal and electric connector
By combining the contact elements, reinforcement elements, and sleeve design of the conductive terminal, a dual elastic mechanism is formed, which solves the problem of wear and deformation of the contact spring and improves the insertion and removal life and stability.
Patent Information
- Application Number
- CN202423145594.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-18
AI Technical Summary
The contact springs of existing conductive terminals are prone to wear and deformation after repeated insertion and removal over a long period of time, resulting in unstable clamping force, shortening insertion and removal life, and easily causing poor contact.
It adopts a combined conductive terminal structure, including contacts, reinforcing members and sleeves. The contact spring and the reinforcing spring form a dual elastic mechanism. The sleeve and reinforcing members enhance the strength and stability of the contact spring and provide long-lasting positive force.
It significantly improves the insertion and extraction life of conductive terminals, ensures that the contact spring does not easily lose its elasticity, maintains a stable clamping force, and avoids poor contact.
Smart Images
Figure CN223638652U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of electric connector, especially to a combined conductive terminal. BACKGROUND
[0002] The conductive terminal is an indispensable component of the electric connector, and the electric connector needs to meet the general conductive performance requirements and ensure the stability in daily use.
[0003] The contact spring of the existing conductive terminal product is directly assembled into the stretching sleeve to form an integrated body, the clamping force is generated by the interference of the inner wall of the sleeve, and the contact spring is abraded and deformed or loses elasticity due to exceeding the metal fatigue value after long-time and multiple insertion and extraction of the male needle, so that the clamping force is unstable or lost. The insertion and extraction life is greatly reduced, and therefore, the electrical bad phenomenon that the contact spring cannot be contacted is easily caused. SUMMARY
[0004] The utility model discloses a kind of combined conductive terminals, can make contact spring have higher degree of retention, greatly extend the insertion and extraction life.
[0005] The utility model discloses a kind of combined conductive terminals, and the technical scheme adopted is as follows:
[0006] A kind of combined conductive terminal, including the contact piece with conductivity, reinforcing member and sleeve, the contact piece includes first annular body, the first annular body one end is equipped with multiple contact springs, and multiple contact springs are away from the first annular body one end and constitute the contact ring of tapering shape;The reinforcing member includes second annular body, the second annular body is set in the first annular body outside, and the second annular body one end is equipped with reinforcing spring corresponding to the contact spring one by one, and the reinforcing spring is contacted with the contact spring outside;The sleeve is set in reinforcing member outside.
[0007] As a preferred scheme, the contact spring is equipped with a circle of everted lifting part away from the first annular body one end.
[0008] As a preferred scheme, the sleeve is equipped with inwardly curved annular accommodating groove, and the lifting part is clamped into accommodating groove.
[0009] As a preferred scheme, the first annular body side wall is equipped with fixed groove, and the second annular body is inwardly bent with tab, and the tab is clamped into the fixed groove, and the reinforcing member is fixed.
[0010] As a preferred scheme, the first annular body side wall is equipped with first positioning hole, and the second annular body is equipped with second positioning hole, and the sleeve side wall is fixedly provided with riveting convex point, and the sleeve is fixed by being clamped into second positioning hole and first positioning hole in sequence by riveting convex point.
[0011] As a preferred solution, the first ring body is provided with a crimping fin for crimping external wires.
[0012] As a preferred solution, the reinforcing member is a steel sheet reinforcing member, and the contact member is a high-conductivity contact member.
[0013] As a preferred solution, the first ring body is provided with a first limiting step and a third limiting step, and the second ring body is provided with a second limiting step, wherein when the reinforcing member is sleeved outside the contact member, the second limiting step is in abutment with the first limiting step, and the other end of the second ring body is in abutment with the third limiting step.
[0014] As a preferred solution, the center lines of the contact member, the reinforcing member and the sleeve coincide, and the contact springs and the reinforcing springs are both three and are uniformly distributed.
[0015] The utility model discloses still disclose a kind of electric connector, including as preceding one kind of combined electric terminal and male needle, the male needle is inserted along sleeve and is contacted with contact ring contact conduction, the reinforcing spring sheet presses the contact spring, and the contact ring firmly clamps the male needle.
[0016] The utility model discloses a kind of combined electric terminal and electric connector, which has the following beneficial effects: the combined electric terminal includes a contact member, a reinforcing member and a sleeve, the contact member includes a first ring body, one end of the first ring body is provided with a plurality of contact springs, and the plurality of contact springs away from one end of the first ring body form a tapered contact ring. The reinforcing member includes a second ring body, which is sleeved outside the first ring body. One end of the second ring body is provided with a reinforcing spring corresponding to each contact spring. The reinforcing spring is in abutment with the outside of the contact spring, forming a double elastic mechanism for increasing the strength of the contact spring. The sleeve is sleeved outside the reinforcing member to form a complete jack structure. When an external male needle is inserted, the tapered contact ring contacts the inserted male needle, achieving power conduction. The structure of the reinforcing spring in abutment with the contact spring can provide a long-lasting normal force, thereby providing a stable holding force, significantly improving the plug-in life of the electric terminal. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is a structural schematic view of the combined electric terminal of the utility model;
[0018] Figure 2 is a structural schematic view of the contact member in the combined electric terminal of the utility model;
[0019] Figure 3 is a structural schematic view of the reinforcing member in the combined electric terminal of the utility model;
[0020] Figure 4 is a structural schematic view of a sleeve of the combined conductive terminal of the utility model;
[0021] Figure 5 is a sectional schematic view of the combined conductive terminal of the utility model;
[0022] Figure 6 is an exploded schematic view of the combined conductive terminal of the utility model;
[0023] Figure 7 is a first perspective structural schematic view of the combined conductive terminal contact and reinforcing piece assembly of the utility model;
[0024] Figure 8 is a second perspective structural schematic view of the combined conductive terminal contact and reinforcing piece assembly of the utility model.
[0025] The main component symbol is explained as follows:
[0026] 10-contact piece; 11-first annular body; 111-fixing groove; 112-first positioning hole; 113-first limiting step; 114-second limiting step; 12-contact spring piece; 121-raise part; 13-pressing wire fin; 20-reinforcing piece; 21-second annular body; 211-tab; 212-second positioning hole; 213-second limiting step; 22-reinforcing spring piece; 30-sleeve; 31-housing groove. DETAILED DESCRIPTION
[0027] The application is further described and explained in conjunction with specific embodiments and the accompanying drawings of the specification. Meanwhile, it is explained here that in order to make the embodiments more detailed, the following embodiments are the best, preferred embodiments, and other alternative ways can also be adopted by the skilled in the art to implement; and the drawings are only used to more specifically describe the embodiments, and are not intended to specifically limit the application.
[0028] Embodiment one
[0029] Please refer to Figures 1-3 The utility model discloses a combined conductive terminal, including the contact piece 10 of having the conductivity, reinforcing piece 20 and sleeve 30. As shown in Figure 2 As shown in Figure 3As shown, the reinforcing member 20 comprises a second ring body 21, which is sleeved outside the first ring body 11, and one end of the second ring body 21 is provided with a reinforcing spring 22 corresponding to the contact spring 12, which is in contact with the outside of the contact spring 12 to form a double elastic mechanism for increasing the strength of the contact spring 12; the sleeve 30 is sleeved outside the reinforcing member 20.
[0030] In the above embodiment, as shown, when the external male needle is inserted, the tapered contact ring is in contact with the externally inserted male needle to realize power conduction. The high-strength limiting structure of the reinforcing spring 22 in contact with the contact spring 12 can provide a relatively long positive force, and can provide a relatively stable holding force for the contact spring 12, thereby preventing the elastic force of the contact spring 12 from failing, and thereby significantly improving the plug-in life of the combined conductive terminal. Figure 4
[0031] Preferably, one end of the contact spring 12 away from the first ring body 11 is provided with a circle of everted lifting part 121, which can make the external male needle inserted more smoothly.
[0032] Embodiment two
[0033] As shown, in this embodiment, the contact member 10, the reinforcing member 20 and the sleeve 30 are sequentially nested and fixed. Specifically, the first ring body 11 is provided with a first limiting step 113 and a third limiting step 114, and the second ring body 21 is provided with a second limiting step 213. Figures 4-7 In order to make the contact member 10 and the reinforcing member 20 nested more stably, the sidewall of the first ring body 11 is provided with a fixing groove 111, and the second ring body 21 is inwardly bent with a tab 211. When the reinforcing member 20 is sleeved outside the contact member 10, the second limiting step 213 is in contact with the first limiting step 113, the other end of the second ring body 21 is in contact with the third limiting step 114, and the tab 211 is clamped into the fixing groove 111 to fix the reinforcing member 20, so that the two are formed into a combined body, which is more stable.
[0034]
[0035] In order to make the contact 10, the reinforcing member 20 and the sleeve 30 nest more stable, the first ring body 11 sidewall is provided with a first positioning hole 112, the second ring body 21 is provided with a second positioning hole 212, the sleeve 30 is fixedly provided with a riveting convex point on the sidewall, when the sleeve 30 is sleeved on the outside of the above-mentioned combination, the other end of the sleeve 30 touches the second limiting step 213, the riveting convex point of the sleeve 30 is sequentially clamped into the second positioning hole 212 and the first positioning hole 112, so that the sleeve 30 and the contact 10 and the reinforcing member 20 nest more stably.
[0036] Wherein, the other end of the first ring body 11 is provided with a wire pressing fin 13 for pressing the external wire to conduct electricity, the wire pressing fin 13 can be inserted with the contact body, and the external wire is facilitated to be installed.
[0037] Embodiment three
[0038] As shown in Figure 5 and Figure 6 In this embodiment, in order to protect the raised part 121, the sleeve 30 is provided with an inwardly curved annular accommodating groove 31, and the raised part 121 is clamped into the accommodating groove 31. When the external male needle is inserted, the male needle touches the contact spring piece 12 to force the end of the raised part 121 to touch the inner wall of the accommodating groove 31, at this time the accommodating groove 31 generates a certain holding force on the raised part 121, avoiding the raised part 121 from being repeatedly bent and losing elasticity due to the repeated insertion of the male needle.
[0039] Embodiment four
[0040] As shown in Figure 7 and Figure 8 In this embodiment, in order to make the male needle more smoothly inserted and more stable, the center lines of the contact 10, the reinforcing member 20 and the sleeve 30 coincide, so that the combined conductive terminal can be in a straight line, and can be better inserted by the male needle. The contact spring piece 12 and the reinforcing spring piece 22 are both three, and are uniformly distributed at 120 degrees, so that the stress is uniform, more stable and beautiful.
[0041] In the above embodiment, in order to better supplement the strength of the contact 10, the strength of the reinforcing member 20 is greater than that of the contact 10, the reinforcing member 20 is a high-strength steel sheet reinforcing member, preferably a high-strength steel sheet; the contact 10 can be a high-conductivity contact, preferably a copper contact with elasticity.
[0042] Among them, the high-strength steel sheet has relatively high retention, which can effectively prevent the contact spring piece 12 from losing elasticity, and the copper contact can improve the conductivity.
[0043] The utility model discloses still disclose a kind of electric connectors, including the combined conductive terminal and male needle as aforementioned, male needle is inserted along the sleeve 30 and is contacted with the contact ring, the contact spring 12 is pressed by the reinforcing spring 22, make the contact ring firmly clamp male needle.
[0044] The electric connector, because the reinforcing spring 22 is arranged to enhance and limit the strength and position of the contact spring 12, makes the contact spring 12 have higher retention, and is not easy to lose elasticity and damage, greatly prolongs its plug-in life.
[0045] In summary, the combined conductive terminal includes a contact piece 10, a reinforcing piece 20 and a sleeve 30. The contact piece 10 includes a first annular body 11, which is provided with a plurality of contact springs 12 at one end. The plurality of contact springs 12 form a tapered contact ring at one end. The reinforcing piece 20 includes a second annular body 21, which is sleeved outside the first annular body 11. The second annular body 21 is provided with a reinforcing spring 22 corresponding to each contact spring 12 at one end. The reinforcing spring 22 abuts against the outside of the contact spring 12. The sleeve 30 is sleeved on the outer wall of the reinforcing piece 20 to form a complete jack structure. When an external male needle is inserted, the tapered contact ring contacts the externally inserted male needle to achieve power conduction. The reinforcing spring 22 abuts against the high-strength limiting structure of the contact spring 12, which can provide a long-lasting normal force, thereby providing a stable retaining force for the contact spring 12. The contact spring 12 is not easy to be damaged and retains elasticity, which significantly improves the plug-in life of the combined conductive terminal and the electric connector.
[0046] Finally, it should be noted that the above examples are used to illustrate the technical solutions of the utility model, and are not intended to limit the scope of protection of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the utility model can be modified or replaced equivalently without departing from the essence and scope of the technical solutions.
Claims
1. A combined electrically conductive terminal, characterized in that The contact piece includes a first ring body, and a plurality of contact springs are arranged at one end of the first ring body and gradually tapered away from the one end of the first ring body to form a contact ring; The reinforcing piece includes a second ring body, and a plurality of reinforcing springs are arranged at one end of the second ring body and correspond to the contact springs one by one, and the reinforcing springs abut against the outside of the contact springs to form a double elastic mechanism for increasing strength; The sleeve is arranged outside the reinforcing piece.
2. The combination electrically conductive terminal of claim 1 wherein, The contact springs are provided with a ring of turned-up raised portions away from the one end of the first ring body.
3. The combination electrically conductive terminal of claim 2 wherein, The sleeve is provided with an inwardly curved annular accommodating groove, and the raised portions are clamped into the accommodating groove.
4. The combination electrically conductive terminal of claim 3 wherein, The first ring body is provided with a fixing groove on the side wall, the second ring body is inwardly bent with a tab, and the tab is clamped into the fixing groove to fix the reinforcing piece.
5. The combination electrically conductive terminal of claim 4 wherein, The first ring body is provided with a first positioning hole on the side wall, the second ring body is provided with a second positioning hole, and the sleeve is fixedly provided with a riveting convex point on the side wall, and the sleeve is clamped into the second positioning hole and the first positioning hole in sequence through the riveting convex point to be fixed.
6. The combination electrically conductive terminal of claim 5 wherein, The other end of the first ring body is provided with a wire pressing fin for pressing an external wire.
7. The combined conductive terminal according to any one of claims 1 to 6, wherein The reinforcing piece is a steel reinforcing piece, and the contact piece is a high-conductivity contact piece.
8. The combination electrically conductive terminal of claim 1 wherein, The first ring body is provided with a first limiting step and a third limiting step, the second ring body is provided with a second limiting step, and when the reinforcing piece is arranged outside the contact piece, the second limiting step abuts against the first limiting step, and the other end of the second ring body abuts against the third limiting step.
9. The combination electrically conductive terminal of claim 1 wherein, The center lines of the contact piece, the reinforcing piece and the sleeve coincide, the contact springs and the reinforcing springs are all three, and are uniformly distributed.
10. An electrical connector, characterized by The combined conductive terminal and the male needle are arranged as claimed in any one of claims 1-9, the male needle is inserted along the sleeve and in contact with the contact ring, the reinforcing springs press the contact springs, and the contact ring firmly clamps the male needle.