CN215896774U - Jack body, sheath and binding post - Google Patents
Jack body, sheath and binding post Download PDFInfo
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- CN215896774U CN215896774U CN202122557716.XU CN202122557716U CN215896774U CN 215896774 U CN215896774 U CN 215896774U CN 202122557716 U CN202122557716 U CN 202122557716U CN 215896774 U CN215896774 U CN 215896774U
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- frame body
- elastic sheet
- contact elastic
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Abstract
The utility model discloses a jack body, a sheath and a wiring terminal, wherein the jack body comprises an electric contact part and a cable crimping part which are connected into a whole, the electric contact part is a jack body with two side structures which are symmetrical to each other, each side structure comprises a frame body, at least two contact elastic sheets are arranged in the ring, two ends of at least one contact elastic sheet are connected with the frame body, the cable crimping part is provided with two U-shaped crimping parts with openings along the axial direction, the inner surface of at least one U-shaped crimping part is a non-smooth surface, and at least one crimping hole is arranged in one U-shaped crimping part, so that the defects of poor adaptability between terminals, poor current carrying capacity, poor vibration and impact resistance, insufficient pulling-out force of a cable and the like can be overcome.
Description
Technical Field
The utility model relates to the field of connectors, in particular to a stamping terminal for a connector.
Background
The commonly used stamping terminal consists of a sheath and a main body structure, wherein the sheath provides supporting and fixing functions for the main body of the terminal, so that the stability of the terminal in connection is ensured; the adaptability, current carrying capacity, vibration and impact resistance and the pulling-out force of the cable among the terminals in the connector are directly connected with the structure of the terminals.
The patent publications CN210628567U and CN207504284U disclose a terminal structure, in which the terminal structure has a suspended arc-shaped contact spring, so that the terminal structure can solve the problem of contact adaptability, but because the contact piece adopts a suspended structure, the current-carrying capacity of the terminal structure is greatly reduced, and the suspended structure has poor vibration and impact resistance, and the contact piece deforms after being impacted, thereby reducing the contact performance; the sheath has a locking function on the terminal, but the adopted limiting locking structure is lack of the locking function of the terminal in the axial direction and can only realize locking in the vertical direction. The existence of these objective defects can lead to the overall performance degradation of the electrical connector, which does not meet the product design requirements.
SUMMERY OF THE UTILITY MODEL
The utility model aims to design a stamped terminal of a connector, which has a good electrical closed-loop circuit and can improve the physical contact performance and current carrying capacity of a contact piece.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a stamped terminal for a connector includes an electric contact portion and a cable crimping portion connected as one body,
the electric contact part is a jack body with two symmetrical side structures, each side structure comprises a closed ring-shaped frame body, at least two contact elastic sheets are arranged in the frame body, and two ends of at least one contact elastic sheet are connected with the frame body.
In the above technical scheme, one end of at least one contact elastic sheet is connected with the frame body, and the other end of the contact elastic sheet is suspended.
In the technical scheme, at least two contact elastic sheets are arranged in the frame body, two ends of at least one contact elastic sheet are connected with the frame body, one end of at least one contact elastic sheet is connected with the frame body, and the other end of the contact elastic sheet is suspended.
In the technical scheme, at least three contact elastic sheets are provided, two ends of at least one contact elastic sheet are connected with the frame body, one end of at least one contact elastic sheet is connected with the frame body, and the other end of the contact elastic sheet is suspended.
In the technical scheme, the positions of the contact elastic sheets with two ends connected with the frame body and the positions of the contact elastic sheets with one ends connected with the frame body are randomly distributed in the closed ring.
In the above technical solution, at least one contact spring piece with one end not connected with the frame body is arranged between every two contact spring pieces with two ends connected with the frame body.
In the above technical solution, at least one contact spring piece with two ends connected with the frame body is arranged between every two contact spring pieces with one ends not connected with the frame body.
In the above technical solution, the contact spring is in a zigzag shape along the axial direction.
In the above technical solution, the contact surface of at least one contact spring is provided with a plurality of grooves along the axial direction.
In the above technical scheme, the contact surface of each contact spring piece is provided with a plurality of grooves along the axial direction.
In the above technical solution, among all the contact elastic pieces, only the contact surfaces of the contact elastic pieces, both ends of which are connected with the frame body, are provided with a plurality of grooves along the axial direction.
In the above technical solution, among all the contact elastic pieces, only the contact surface of the contact elastic piece with one end connected with the frame body is provided with a plurality of grooves along the axial direction.
A stamped terminal for a connector includes an electric contact portion and a cable crimping portion connected as one body,
the cable crimping part is provided with two U-shaped crimping parts with openings along the axial direction, the inner surface of at least one U-shaped crimping part is a non-smooth surface, and at least one crimping hole is formed in the connecting surface between the two crimping parts.
In the above technical solution, at least one of the press holes is a through hole.
In the above technical scheme, the non-smooth surface is provided with a plurality of grooves along the inner arc of the U-shaped crimping part.
In the technical scheme, the inner surface of the crimping part between every two parallel grooves is arranged to be serrated.
The utility model provides a sheath for connector, is including connecting shell structure as an organic whole, shell structure is the cavity structure that both ends link up, its characterized in that: the upper end face of the shell structure is provided with a bayonet, at least one limiting block is arranged in the bayonet, and the left side face and the right side face of the shell structure are respectively provided with anti-withdrawal teeth and a raised elastic sheet.
In the above technical solution, the non-operating state of the protruding portion is a planar structure, and the operating state of the protruding portion protrudes toward the inside of the housing after being subjected to external extrusion force.
In the technical scheme, the limiting block is a deformation piece, one side of the stop block is connected to the side edge of the bayonet, and the stop block can change the static state after being stressed.
In the above technical solution, one end of the cavity structure is provided with a stopper connected to the housing structure.
A connector includes a terminal and a sheath,
the terminal comprises an electric contact part and a cable crimping part which are connected into a whole, the electric contact part is a jack body with two side structures which are symmetrical to each other, each side structure comprises an annular frame body, at least two contact elastic sheets are arranged in the ring, two ends of at least one contact elastic sheet are connected with the frame body, the cable crimping part is provided with two U-shaped crimping parts with openings along the axial direction, the inner surface of at least one U-shaped crimping part is a non-smooth surface, and at least one crimping hole is formed in one U-shaped crimping part;
the sheath comprises a shell structure which is connected into a whole, the shell structure is a cavity structure with two through ends, a bayonet is arranged on the upper end surface of the shell structure, at least one limiting block is arranged in the bayonet, and anti-withdrawal teeth and a protruding part are respectively arranged on the left side surface and the right side surface of the shell structure;
the electric contact part is arranged in the shell cavity structure, the axial displacement of the electric contact part is limited by a stop block on the shell structure, the vertical displacement of the electric contact part is limited by a limiting block, and the transverse displacement of the electric contact part is limited by a protruding elastic sheet.
In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:
the end part of the terminal is structurally redesigned, the problem of poor current-carrying capacity of the wiring terminal is solved by adding the frame body, the current-carrying capacity can be greatly improved by adding the current loop, and the electrical performance of the connector is improved;
the design of the frame body enables the contact elastic sheet to have good adaptive capacity, and the suspension and non-suspension contact elastic sheets are arranged, so that the acting force of the contact end can be improved through the physical structural performance of metal;
through the design of the groove of the contact surface of the contact elastic sheet, not only the friction force can be increased, but also the current-carrying loop of the inserted rear surface can be increased through the groove, so that the current-carrying capacity is improved;
the through pressing hole is formed in the wiring part, so that when the wire is pressed, the rubber sheet of the cable protrudes from the pressing hole after being extruded, and the rubber sheet has the function of limiting the position of the pin hole to retreat;
through the improvement of the sheath, the sheath has a limiting function in three orthogonal directions, the limiting in the three directions can ensure the position of the contact part to be fixed, and the contact part is prevented from being displaced, so that the plugging effect is reduced; especially, the design of the bulge part solves the side position limiting function of the sheath in a narrow space and the defect that the prior similar connector cannot limit in the direction.
Drawings
The utility model will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic view of the overall construction of the connection end;
FIG. 2 is a schematic view of a link structure in the link;
FIG. 3 is a schematic view of a cable crimp location in the connection end;
FIG. 4 is a schematic view of the construction of the sheath;
FIG. 5 is a schematic view of the assembled terminal structure;
FIG. 6 is a comparison of a first connection structure of the resilient plate;
FIG. 7 is a comparative view of a second connection structure of the resilient plate;
FIG. 8 is a schematic diagram comparing a third connection structure of the resilient plate;
wherein: 1 is an electric contact part, 1-1 is a frame body, 1-2 is a cantilever spring plate, 1-3 is a fixed spring plate, 1-4 is a groove, 2 is a cable crimping part, 2-1 is a groove, 2-2 is a through hole, 3 is a sheath, 3-1 is a limiting block, 3-2 is an anti-back tooth, 3-3 is a convex part and 3-4 is a stop block.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
As shown in fig. 1, the terminal structure of the present embodiment includes an electrical contact portion 1 and a cable crimping portion connected as a whole, and the whole terminal structure is formed by stamping through a stamping and integral molding technique.
As shown in fig. 2, the electrical contact portion 1 is a flat jack structure having two symmetrical side structures, one of the side structures includes a closed-loop frame 1-1, a spring plate is disposed in the closed loop of the frame 1-1, the spring plate has two connection structures, one of the spring plates is a fixed spring plate 1-3, two ends of the fixed spring plate 1-3 are both connected to the annular frame 1-1, the other spring plate is a cantilever spring plate 1-2, one end of the cantilever spring plate 1-2 is connected to the frame 1-1, and the other end is suspended. In order to increase the contact area and the elastic force of the elastic sheet, a plurality of grooves 1-4 are arranged on the contact surface of the elastic sheet along the axial direction of the elastic sheet.
As shown in FIG. 3, the cable crimping part 2 comprises two U-shaped crimping parts with openings, wherein a plurality of parallel grooves 2-1 are radially arranged on the inner surface of one U-shaped crimping part, and the inner surface of the U-shaped crimping part between the two parallel grooves 2-1 is arranged in a zigzag manner. The design of this kind of structure makes when carrying out the line ball, and the rubber of cable receives extrusion force back rubber and produces deformation, and the deformation arch will be embedded into in recess 2-1, to the axial formation of cable hinder the effect that moves back, and the sawtooth structure will constitute the interlock effect to the cable, realizes the crimping to the cable through two kinds of modes. And at least one crimping through hole 2-2 is arranged between the two U-shaped crimping parts, the function of the through hole 2-2 is similar to that of the groove 2-1, when the cable is subjected to extrusion force, the rubber is deformed and protrudes to the other surface of the U-shaped crimping part through the through hole 2-2, so that the through hole 2-2 has a limited positioning effect on the cable, and other structures are not required to be arranged, and the cable has a very good anti-retreat function.
As shown in fig. 4, which is a schematic view of the sheath structure of this embodiment, the sheath is a rectangular structure formed by 3-bit integral punching, a cavity structure with two through ends is formed along the axial inner portion of the sheath, a clamping hole is formed at the upper end of the sheath 3, a limiting block 3-1 is arranged in the clamping hole, one side of the limiting block 3-1 is connected with the clamping hole, and the static state of the limiting block 3-1 can be changed by a deformation element receiving external force. The left side and the right side of the sheath 3 are respectively provided with anti-receding teeth 3-2 and a protruding part 3-3, the anti-receding teeth 3-2 mainly play a role in receding prevention and are used for receding prevention and fixation of the exterior of the sheath, the protruding elastic piece 3-3 is a changed piece, the protruding part 3-3 is a plane structure in a non-working state, and after the protruding part receives extrusion force, the protruding part 3-3 deforms and protrudes towards the exterior of the sheath, so that the function of limiting the connecting piece inside the sheath is achieved.
As shown in fig. 5, when the connector is assembled, the electrical contact portion of the contact terminal is inserted into the cavity of the sheath 3, and the stopper in the card hole is protruded toward the electrical contact portion by being pressed, thereby performing position limitation on the electrical contact portion. And two sides of the end part of the sheath 3 are respectively provided with a blocking block 3-4 for blocking the electric contact part from being pulled out of the sheath after being stressed in the process of pulling and inserting the electric contact part, so that the connecting wire is damaged. And the convex part 3-3 deforms toward the electric contact part after being subjected to extrusion force, so that the electric contact part is limited to shake left and right.
In this embodiment, the most improved embodiment is the design of the contact spring in the electrical contact portion, and in this embodiment, three contact springs are used for illustration, and the three contact springs have three different connection modes, and the three different connection modes can all achieve very good current-carrying capacity and connection and contact effects.
Example one
Three contact spring pieces are arranged in the annular frame body 1-1, wherein: the cantilever spring plate 1-2 is arranged between the two fixed spring plates 1-3.
A plurality of grooves 1-4 are arranged on the contact surfaces of the three contact spring pieces along the axial direction, as shown in a in fig. 6;
or the contact surface of the cantilever spring plate 1-2 is designed to be a smooth plane, and the fixed spring plate 1-3 is provided with a plurality of grooves 1-4 along the axial direction, as shown in b in fig. 6;
or the contact surface of the fixed elastic sheet 1-3 is designed to be a smooth plane, and the cantilever elastic sheets 1-2 are provided with a plurality of grooves 1-4 along the axial direction, as shown in c in fig. 6.
Example two
Three contact spring pieces are arranged in the annular frame body 1-1, wherein: the fixed elastic sheet 1-3 is arranged between the two cantilever elastic sheets 1-2.
A plurality of grooves 1-4 are arranged on the contact surfaces of the three contact spring pieces along the axial direction, as shown in a in fig. 7;
or the contact surface of the cantilever spring plate 1-2 is designed to be a smooth plane, and the fixed spring plate 1-3 is provided with a plurality of grooves 1-4 along the axial direction, as shown in c in fig. 6;
or the contact surface of the fixed elastic sheet 1-3 is designed to be a smooth plane, and the cantilever elastic sheets 1-2 are provided with a plurality of grooves 1-4 along the axial direction, as shown in b in fig. 6.
EXAMPLE III
Three contact spring pieces are arranged in the annular frame body 1-1, wherein: the two fixed elastic sheets 1-3 are arranged in parallel, and the cantilever elastic sheet 1-2 is arranged at the outer side of one fixed elastic sheet 1-3.
The contact surfaces of the three contact spring pieces are provided with a plurality of grooves 1-4 along the axial direction, as shown in a in figure 8;
or the contact surface of the cantilever elastic sheet 1-2 is designed to be a smooth plane, and the fixed elastic sheet 1-3 is provided with a plurality of grooves 1-4 along the axial direction, as shown in b in fig. 8;
or the contact surface of the fixed elastic sheet 1-3 is designed to be a smooth plane, and the cantilever elastic sheets 1-2 are provided with a plurality of grooves 1-4 along the axial direction, as shown in c in fig. 8.
Of course, as for the connection mode in fig. 8, the connection mode can also be extended to that two cantilever elastic pieces 1-2 are arranged in parallel, and one fixed elastic piece 1-3 is arranged at the outer side of one cantilever elastic piece 1-2.
The arrangement of the three embodiments is only a symmetrical design structure of the three contact spring pieces, and when a plurality of contact spring pieces are arranged in the annular frame body 1-1 and the number of the contact spring pieces is more than three, the arrangement of the first embodiment and the third embodiment can be combined, or the arrangement of the second embodiment and the third embodiment can be combined; the design positions for the grooves 1-4 may be arranged in a random arrangement.
The utility model is not limited to the foregoing embodiments. The utility model extends to any novel feature or any novel combination of features disclosed in this specification and any novel method or process steps or any novel combination of features disclosed.
Claims (21)
1. The utility model provides a jack body for connector, is including connecting electric contact portion and cable crimping portion as an organic whole, its characterized in that:
the electric contact part is a jack body with two symmetrical side structures, each side structure comprises a frame body, at least two contact elastic sheets are arranged in the frame body, and two ends of at least one contact elastic sheet are connected with the frame body.
2. The socket body for a connector according to claim 1, wherein: one end of at least one contact elastic sheet is connected with the frame body, and the other end of the contact elastic sheet is suspended.
3. The socket body for a connector according to claim 1, wherein: at least two contact spring pieces are arranged in the frame body, two ends of at least one contact spring piece are connected with the frame body, one end of at least one contact spring piece is connected with the frame body, and the other end of the contact spring piece is suspended.
4. The socket body for a connector according to claim 1, wherein: the frame body is provided with at least three contact elastic sheets, two ends of at least one contact elastic sheet are connected with the frame body, one end of at least one contact elastic sheet is connected with the frame body, and the other end of the contact elastic sheet is suspended.
5. The socket body for a connector according to claim 4, wherein: the contact spring pieces with two ends connected with the frame body and the contact spring pieces with one ends connected with the frame body are randomly distributed in the closed ring.
6. The socket body for a connector according to claim 5, wherein: at least one contact elastic sheet with one end not connected with the frame body is arranged between every two contact elastic sheets with two ends connected with the frame body.
7. The socket body for a connector according to claim 5, wherein: at least one contact elastic sheet with two ends connected with the frame body is arranged between every two contact elastic sheets with one ends not connected with the frame body.
8. The socket body for a connector according to any one of claims 1 to 7, wherein: the contact elastic sheet is in a zigzag shape along the axial direction.
9. The socket body for a connector according to claim 8, wherein: the contact surface of at least one contact spring is provided with a plurality of grooves along the axial direction.
10. The socket body for a connector according to claim 9, wherein: the contact surface of each contact elastic sheet is provided with a plurality of grooves along the axial direction.
11. The socket body for a connector according to claim 9, wherein: among all the contact elastic sheets, only the contact surfaces of the contact elastic sheets with two ends connected with the frame body are provided with a plurality of grooves along the axial direction.
12. The socket body for a connector according to claim 9, wherein: among all the contact elastic sheets, only the contact surface of the contact elastic sheet with one end connected with the frame body is provided with a plurality of grooves along the axial direction.
13. The utility model provides a jack body for connector, is including connecting electric contact portion and cable crimping portion as an organic whole, its characterized in that:
the cable crimping part is provided with two U-shaped crimping parts with openings along the axial direction, the inner surface of at least one U-shaped crimping part is a non-smooth surface, and at least one crimping hole is formed in one U-shaped crimping part.
14. The socket body according to claim 13, wherein at least one of said press-holes is a through-hole.
15. A socket body for a connector according to claim 13, wherein the non-smooth surface is formed with a plurality of recesses along an inner arc of the U-shaped crimp portion.
16. The socket body for a connector according to claim 15, wherein the inner surface of the crimping portion between each two of the juxtaposed grooves is provided with a saw-toothed shape.
17. The utility model provides a sheath for jack body, is including connecting shell structure as an organic whole, shell structure is the cavity structure that both ends link up, its characterized in that: the upper end face and the lower end face of the shell structure are provided with bayonets, at least one limiting block is arranged in each bayonet, and the left side face and the right side face of the shell structure are respectively provided with anti-retreating teeth and a protruding portion.
18. The grommet for a jack body as set forth in claim 17, wherein the projection is of a planar configuration in a non-operating state, and the projection is of a planar configuration in an operating state projecting inwardly of the housing under an external pressing force.
19. The sheath for the jack body according to claim 17, wherein the stopper is a deformable member, one side of the stopper is connected to a side edge of the bayonet, and the stopper can change its resting state after being stressed.
20. A protective cover for a socket body as claimed in claim 17, wherein one end of said cavity structure is provided with a stop for attachment to the housing structure.
21. A connecting terminal, includes terminal and sheath, its characterized in that:
the terminal comprises an electric contact part and a cable crimping part which are connected into a whole, the electric contact part is a jack body with two side structures which are symmetrical to each other, each side structure comprises a frame body, at least two contact elastic sheets are arranged on the frame body, two ends of at least one contact elastic sheet are connected with the frame body, the cable crimping part is provided with two U-shaped crimping parts with openings along the axial direction, the inner surface of at least one U-shaped crimping part is a non-smooth surface, and at least one crimping hole is formed in one U-shaped crimping part;
the sheath comprises a shell structure which is connected into a whole, the shell structure is a cavity structure with two through ends, the upper end surface and the lower end surface of the shell structure are provided with bayonets, at least one limiting block is arranged in each bayonet, and the left side surface and the right side surface of the shell structure are respectively provided with anti-withdrawal teeth and convex parts;
the electric contact part is arranged in the shell cavity structure, the axial displacement of the electric contact part is limited by a stop block on the shell structure, the vertical displacement of the electric contact part is limited by a limiting block, and the transverse displacement of the electric contact part is limited by a protruding elastic sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122557716.XU CN215896774U (en) | 2021-10-25 | 2021-10-25 | Jack body, sheath and binding post |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122557716.XU CN215896774U (en) | 2021-10-25 | 2021-10-25 | Jack body, sheath and binding post |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215896774U true CN215896774U (en) | 2022-02-22 |
Family
ID=80250945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122557716.XU Active CN215896774U (en) | 2021-10-25 | 2021-10-25 | Jack body, sheath and binding post |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215896774U (en) |
-
2021
- 2021-10-25 CN CN202122557716.XU patent/CN215896774U/en active Active
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