Split type axial positioning rotatable contact suitable for low space and connector
By designing a split axially positioned rotatable contacts in the connector, the coordination between the fixture and the rotary parts is used to solve the problems of welding groove direction error and unstable contact surface in low spaces, and flexible adjustment of welding position is achieved The stability of the contact surface avoids poor contact and excessive current problems.
Patent Information
- Application Number
- CN202411385382.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-30
- Publication Date
- 2024-12-20
AI Technical Summary
In low spaces, the position of the welding groove contacts is fixed, which leads to easy direction errors during wire welding, difficult to adjust the welding position, and unstable contact surfaces, which may lead to poor contact and excessive local current.
A split axially positioned rotatable contact piece is designed, including a fixing member and a rotating member. The fixing member is fixed inside the connector. The rotating member can be welded with the wire, adjust the direction of the welding groove through rotation, and passes through the expansion part and the hole. Cooperate to maintain stable contact and increase contact area.
The problem of wire welding direction error is solved, ensuring flexible adjustment of welding position and contact surface stability, and avoiding problems such as poor contact and excessive local current.
Smart Images
Figure CN119171108A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of connector contacts, and in particular relates to a split-type axially positioned rotatable contact suitable for a low space, and a connector. Background Art
[0002] An electrical connector is an electromechanical component used to connect wires, cables, and control panels (bins). It consists of a free-end electrical connector and a fixed electrical connector. The electrical connector connects and disconnects the circuit by plugging and unplugging them. An electrical connector is also referred to as a connector.
[0003] The contact of an electrical connector is a conductive part that is used for plug-in connection at one end and for terminating the wire at the other end. When the space height is sufficient, fixed contact such as solder cup is generally used to connect the wire. When the space height is insufficient, solder groove type contact is generally used to solder the wire. Figure 1 shown.
[0004] The welding groove has directionality in the plane. When the contact is installed in place, there may be an error with the direction required for wire welding. In addition, since the position of the contact is fixed, it is difficult to adjust the welded wire to the required orientation.
[0005] In view of the above problems, a split-type axially positioned rotatable contact piece suitable for a low space and a connector using the contact piece are designed. Summary of the invention
[0006] The present invention aims at solving the problems in the prior art and proposes the following technical solutions:
[0007] Split axially positioned rotatable contacts for low-profile applications, including
[0008] A fixing member fixedly assembled inside the connector, wherein the fixing member is configured as a cylinder, and has a coaxially arranged hole 1 and hole 2, and the radius of the hole 2 is greater than the radius of the hole 1;
[0009] The rotating member includes a connecting portion, one end of which is provided with a welding groove, the other end of which is axially extended to form a plug-in portion, and a movable end of which is provided with an expansion portion;
[0010] During assembly, the plug-in portion is inserted into the interior of hole one and rotated therewith, the end face of the connecting portion contacts the end face of the fixing member, and the expanded portion after expansion is adapted to the connection between hole one and hole two.
[0011] As a preferred embodiment of the above technical solution, the plug-in portion is inserted into the interior of hole one and has an interference fit therewith.
[0012] As a preferred embodiment of the above technical solution, an expansion hole is provided between the hole one and the hole two, and the expanded portion after expansion is adapted to the expansion hole.
[0013] Connectors, including
[0014] The split axially positioned rotatable contact member suitable for a low space as described in any one of the above items, wherein a convex strip is arranged on the outer side of the fixing member;
[0015] A housing, wherein a coaxially arranged groove 1 and groove 2 are provided in the housing, and a limiting surface is formed between the groove 1 and the groove 2;
[0016] During assembly, the fixing piece is inserted into the shell, the convex strip contacts the limiting surface, and the end surface of the connecting part contacts the end surface of the fixing piece and the end surface of the shell.
[0017] As a preferred embodiment of the above technical solution, it further includes an insulating installation sleeve, the insulating installation sleeve is located between the second slot and the fixing piece, and the side wall thickness of the insulating installation sleeve is greater than the distance between the fixing piece and the second slot in the initial state;
[0018] After assembly, the end of the insulating installation sleeve abuts against the limiting surface, and the pressure of the insulating installation sleeve is transmitted to the fixing piece and the plug-in part, and the insulating installation sleeve, the fixing piece and the plug-in part are tightly matched.
[0019] As a preferred embodiment of the above technical solution, the fixing member is provided with a notch at the position of the second hole;
[0020] The fixing element is extruded with a radial margin.
[0021] As a preferred embodiment of the above technical solution, an inner end portion of the insulating mounting sleeve is provided with an annular groove, and the annular groove cooperates with the convex strip;
[0022] The end surface where the annular groove cooperates with the convex strip is arranged as an inclined surface.
[0023] The beneficial effects of the present invention are:
[0024] 1. In the technical solution of the split axially positioned rotatable contact suitable for low space, the contact is set to be split, the fixing part is fixedly assembled inside the connector and used as the plug-in end of the connector, and the rotating part rotatably cooperates with the fixing part and is used as the welding end assembled with the wire. The setting of the rotating part and the fixing part rotatably cooperates allows the direction of the welding groove to be adjusted according to the direction required for welding with the wire; it solves the problem in the prior art that it is difficult to adjust the welded wire to the required orientation when there is a directional error between the wire welding position and the welding groove position of the contact part due to the fixed position of the contact.
[0025] 2. After the contact is assembled, the end face of the connecting part contacts with the end face of the fixed part, and the expansion part fits with the connection between hole one and hole two, which limits the axial relative position of the fixed part and the rotating part to maintain stable contact between the two; to solve the problem of power supply between the contact and the connector, the contact surface needs to be kept above a certain area at all times to effectively avoid the problem of excessive local current caused by poor contact. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 The figure shows the matching state of the welding slot type contact and the wire in the prior art;
[0027] Figure 2 The figure shows a schematic diagram of the structure of a split axially positioned rotatable contact member suitable for a low space in Embodiment 1;
[0028] Figure 3 Shown Figure 2 Schematic diagram of the state of the middle expansion part after expansion;
[0029] Figure 4 Shown is a schematic diagram of the structure of the connector in Example 2;
[0030] Figure 5 Shown is an exploded schematic diagram of the connector in Example 2;
[0031] Figure 6 It shows Figure 4 , Figure 5 Schematic diagram of the assembly of the middle insulating mounting sleeve, the fixed part and the rotating part;
[0032] Figure numerals: shell 10, groove 1 11, groove 2 12, limit surface 13, insulating mounting sleeve 20, annular groove 21, fixing member 31, hole 1 311, hole 2 312, expansion hole 313, convex strip 314, notch 315, rotating member 32, connecting portion 321, welding groove 322, plug-in portion 323, expansion portion 324. DETAILED DESCRIPTION
[0033] In order to make the purpose, technical solution and advantages of the embodiments of the present invention more clear, the technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments.
[0034] Example 1
[0035] like Figure 2 , Figure 3 As shown, a split axially positioned rotatable contact member suitable for a low space includes a fixing member 31 fixedly assembled inside the connector, the fixing member 31 is configured as a cylinder, and has a coaxially arranged hole 1 311 and a hole 2 312, and the radius of the hole 2 312 is greater than the radius of the hole 1 311;
[0036] The rotating member 32 includes a connecting portion 321, one end of the connecting portion 321 is provided with a welding groove 322, the wire is welded to the inside of the welding groove 322, the other end of the connecting portion 321 is axially extended to form a plug-in portion 323, and the movable end of the plug-in portion 323 is provided with an expansion portion 324;
[0037] During assembly, the plug-in portion 323 is inserted into the interior of the first hole 311 and rotates therewith, the end surface of the connecting portion 321 contacts the end surface of the fixing member 31 , and the expanded expansion portion 324 is adapted to the connection between the first hole 311 and the second hole 312 .
[0038] In the technical solution of the split axially positioned rotatable contact member suitable for low space, the contact member is arranged to be split, the fixing member 31 is fixedly assembled inside the connector and used as the plug-in end of the connector, and the rotating member 32 rotatably matched with the fixing member 31 is used as the welding end assembled with the wire, and the rotating member 32 and the fixing member 31 are arranged to rotatably match so that the direction of the welding groove 322 can be adjusted according to the direction required for welding with the wire; the problem in the prior art that it is difficult to adjust the welded wire to the required orientation when there is a directional error between the wire welding position and the welding groove position of the contact member due to the fixed position of the contact member in the prior art is solved.
[0039] After the contact piece is assembled, the end face of the connecting portion 321 contacts the end face of the fixing member 31, and the expansion portion 324 fits with the connection between the hole 1 311 and the hole 2 312, thereby limiting the axial relative position of the fixing member 31 and the rotating member 32 to maintain stable contact between the two. To solve the problem of power supply between the contact piece and the connector, the contact surface needs to be kept above a certain area at all times to effectively avoid the problem of excessive local current caused by poor contact.
[0040] To further ensure the contact stability between the fixed member 31 and the rotating member 32 after assembly, as Figure 2 , Figure 3 As shown, the plug-in portion 323 is inserted into the interior of the hole 1 311 and has an interference fit therewith, thereby increasing the contact area and contact stability between the fixing member 31 and the rotating member 32 while satisfying the requirements of rotational fit between the fixing member 31 and the rotating member 32 .
[0041] To ensure a smooth transition of the matching surface between the fixed member 31 and the rotating member 32 and a tight fit, as Figure 2 , Figure 3 As shown, an expansion hole 313 is provided between the first hole 311 and the second hole 312 , and the expanded portion 324 after expansion is adapted to the expansion hole 313 ; the outer wall of the expanded portion 324 after expansion is in contact with the inner wall of the expansion hole 313 .
[0042] Example 2
[0043] like Figure 4 , Figure 5 , Figure 6 As shown, the connector includes the above-mentioned split axial positioning rotatable contact member suitable for low space, and a convex strip 314 is arranged on the outer side of the fixing member 31;
[0044] A housing 10, wherein a coaxially arranged groove 11 and a coaxially arranged groove 12 are provided in the housing 10, and a limiting surface 13 is formed between the groove 11 and the groove 12;
[0045] During assembly, the fixing member 31 is inserted into the housing 10 , the convex strip 314 abuts against the limiting surface 13 , and the end surface of the connecting portion 321 abuts against the end surface of the fixing member 31 and the end surface of the housing 10 .
[0046] In the technical solution of the present connector, when assembling the connector, 1. first insert the fixing member 31 into the interior of the shell 10, the upper part of the fixing member 31 is located in the interior of the groove 11, the lower part of the fixing member 31 is located in the interior of the groove 2 12, and the convex strip 314 is in contact with the limiting surface 13; 2. then cooperate the rotating member 32 with the fixing member 31, and insert the plug-in portion 323 into the interior of the hole 1 311 until the end face of the connecting portion 321 is in contact with the end face of the fixing member 31 and the end face of the shell 10; 3. perform an expansion operation on the expansion portion 324, and the expanded expansion portion 324 is adapted to the connection between the hole 1 311 and the hole 2 312.
[0047] The connector in this technical solution is easy to assemble and flexible to use, and is more suitable for connection work in low spaces.
[0048] like Figure 4 , Figure 5 , Figure 6 As shown, the connector further includes an insulating mounting sleeve 20, the insulating mounting sleeve 20 is located between the second slot 12 and the fixing member 31, and the side wall thickness of the insulating mounting sleeve 20 is greater than the distance between the fixing member 31 and the second slot 12 in the initial state;
[0049] After assembly, the end of the insulating sleeve 20 abuts against the limiting surface 13, and the pressure of the insulating sleeve 20 is transmitted to the fixing member 31 and the plug-in portion 323, and the insulating sleeve 20, the fixing member 31 and the plug-in portion 323 are tightly matched.
[0050] In the present technical solution, the insulating mounting sleeve 20 is post-assembled. After the connector is assembled and the wires are welded, the insulating mounting sleeve 20 is installed between the second slot 12 and the fixing member 31. Since the side wall thickness of the insulating mounting sleeve 20 is greater than the distance between the fixing member 31 and the second slot 12 in the initial state, after assembly, the fixing member 31 is squeezed and deformed, and the force acting on the fixing member 31 is transmitted to the plug-in portion 323, so that the insulating mounting sleeve 20, the fixing member 31 and the plug-in portion 323 are closely matched, thereby improving the stability of the connector assembly and increasing the contact area of the contact member composed of the fixing member 31 and the rotating member 32, thereby ensuring the stability of the current passing through the connector.
[0051] like Figure 4 , Figure 5 , Figure 6 As shown, a notch 315 is provided at the position of the fixing member 31 at the position of the second hole 312; when the insulating mounting sleeve 20 is assembled between the fixing member 31 and the second groove 12, the fixing member 31 is squeezed and deformed to a certain extent. The setting of the notch 315 provides a radial margin when the fixing member 31 is squeezed, thereby preventing the plug-in end of the fixing member 31 from being severely deformed and unable to be used as the plug-in end of the connector.
[0052] In order to improve the convenience of assembling the insulating mounting sleeve 20 between the fixing member 31 and the groove 12, as shown in FIG. Figure 4 , Figure 5 , Figure 6 As shown, an inner end portion of the insulating mounting sleeve 20 is provided with an annular groove 21. After the insulating mounting sleeve 20 is assembled in place, the annular groove 21 cooperates with the convex strip 314.
[0053] In order to ensure smoothness of the assembly of the insulating installation sleeve 20 , the end faces of the annular groove 21 and the protruding strip 314 are configured as inclined surfaces to guide the assembly of the insulating installation sleeve 20 .
[0054] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them.
Claims
1. A split type axially positioned rotatable contactor suitable for low space, characterized in that: include A fixing member (31) fixedly assembled inside the connector, wherein the fixing member (31) is configured as a cylinder, and has a coaxially arranged hole 1 (311) and a hole 2 (312), and the radius of the hole 2 (312) is greater than the radius of the hole 1 (311); A rotating member (32), the rotating member (32) comprising a connecting portion (321), one end of the connecting portion (321) being provided with a welding groove (322), the other end of the connecting portion (321) being axially extended to form a plug-in portion (323), and the movable end of the plug-in portion (323) being provided with an expansion portion (324); During assembly, the plug-in portion (323) is inserted into the interior of the first hole (311) and rotates therewith, the end surface of the connecting portion (321) contacts the end surface of the fixing member (31), and the expanded expansion portion (324) is adapted to the connection between the first hole (311) and the second hole (312).
2. The split axially positioned rotatable contact member suitable for low space according to claim 1, characterized in that: The plug-in portion (323) is inserted into the interior of hole one (311) and is interference fit therewith.
3. The split axially positioned rotatable contact member suitable for low space according to claim 1, characterized in that: An expansion hole (313) is provided between the first hole (311) and the second hole (312), and the expanded portion (324) after expansion is adapted to the expansion hole (313).
4. A connector, characterized in that include The split-type axially positioned rotatable contact member suitable for a low space according to any one of claims 1 to 3, wherein a convex strip (314) is provided on the outer side of the fixing member (31); A housing (10), wherein a first groove (11) and a second groove (12) are coaxially arranged in the housing (10), and a limiting surface (13) is formed between the first groove (11) and the second groove (12); During assembly, the fixing member (31) is inserted into the interior of the housing (10), the convex strip (314) contacts the limiting surface (13), and the end surface of the connecting portion (321) contacts the end surface of the fixing member (31) and the end surface of the housing (10).
5. The connector according to claim 4, characterized in that: It also includes an insulating installation sleeve (20), the insulating installation sleeve (20) is located between the second groove (12) and the fixing member (31), and the thickness of the side wall of the insulating installation sleeve (20) is greater than the distance between the fixing member (31) and the second groove (12) in the initial state; After assembly, the end of the insulating installation sleeve (20) abuts against the limiting surface (13), and the pressure exerted by the insulating installation sleeve (20) is transmitted to the fixing member (31) and the plug-in portion (323), so that the insulating installation sleeve (20), the fixing member (31) and the plug-in portion (323) are tightly matched.
6. The connector according to claim 5, characterized in that: The fixing member (31) is provided with a notch (315) at the position of the second hole (312); The fixing element (31) is extruded to have a radial margin.
7. The connector according to claim 5, characterized in that: An inner end portion of the insulating mounting sleeve (20) is provided with an annular groove (21), and the annular groove (21) cooperates with the convex strip (314); The end surfaces of the annular groove (21) and the convex strip (314) that cooperate with each other are arranged as inclined surfaces.