Multi-contact connection terminal structure

By using a multi-contact metal spring structure, cross-regional terminal connection and conduction are achieved, solving the crosstalk problem of existing connectors at high transmission speeds and improving signal transmission quality.

CN223986736UActive Publication Date: 2026-03-10AMPHENOL EAST ASIA ELECTRONICS TECH (SHENZHEN) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2026-03-10

AI Technical Summary

Technical Problem

Existing connectors cannot effectively solve crosstalk problems at high transmission speeds and cannot meet the stable transmission and shielding requirements of next-generation communication connectors.

Method used

The system adopts a multi-contact metal spring structure. The first metal spring is riveted to the boss of the housing to achieve cross-region terminal connection and conduction. The second metal spring is pressed against the cover to press the upper terminal to achieve multi-contact connection and conduction.

Benefits of technology

It improves signal transmission quality, meets the high requirements of the new generation of communication connectors, and solves the crosstalk problem.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of connectors, in particular to a multi-contact connecting terminal structure, which comprises a shell, a cover piece, a first metal elastic sheet, a second metal elastic sheet and a terminal. The through hole of the first metal elastic sheet is matched with the bosses of the upper shell and the lower shell; the through hole sleeve buckle is fixed on the boss; the contact pins of the first metal elastic sheet fixed on the upper shell are respectively contacted with the upper terminals on the two sides of the upper shell; the contact pins of the first metal elastic sheet fixed on the lower shell are respectively contacted with the lower terminals on the two sides of the lower shell; the fixing plate of the second metal elastic sheet is inserted into the fixing plate hole in the cover piece; the plugboard is inserted into the plugboard groove of the upper shell, and the inner contact pin is tightly pressed on the upper terminal from top to bottom; the second metal elastic piece is fixed on the cover piece firstly, and the second metal elastic piece and the cover piece are pressed into the upper shell through an assembly process, so that the second metal elastic piece and the upper terminal are tightly combined together. The beneficial effects are that connection and conduction of the multi-contact terminal are realized through distribution of the metal contact pins, and signal transmission and shielding stability are realized.
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Description

TECHNICAL FIELD

[0001] The utility model relates to connector and communication for server, data center, 5G base station field, especially a kind of multi-contact connection terminal structure for realizing cross-regional connection by metal spring piece. BACKGROUND

[0002] With the continuous growth of communication industry, the requirement for stable transmission and shielding of signal is continuously improved, since the transmission speed of current connector is faster and faster, the problem of cross talk is more and more obvious, and it cannot meet the higher requirement of new generation communication connector. In order to solve the problem of cross talk and improve the transmission quality, the connection and conduction are realized by multi-contact metal contact pin to solve the problem of cross talk. UTILITY MODEL CONTENT

[0003] In order to solve the above technical problems, the utility model provides a kind of multi-contact connection terminal structure different from common multi-contact connection terminal structure realized by metal spring piece.

[0004] Specifically, the technical scheme provided by the utility model is: a kind of multi-contact connection terminal structure, including shell, cover piece, first metal spring piece, second metal spring piece and terminal;

[0005] The shell includes upper shell, middle shell and lower shell;The upper shell top is provided with a plug-in slot, and the upper shell side is provided with a plug-in slot and a clamping piece slot;The inner side of the two ends of the upper shell is provided with a fastener slot, and the bottom of the upper shell is provided with a boss, and the bottom of the middle shell is provided with a clamping strip;The lower shell top is provided with a clamping strip slot, and the lower shell bottom is provided with a boss;The clamping strip of the middle shell is clamped into the clamping strip slot fixed in the lower shell;The upper shell is arranged on the middle shell;

[0006] The first metal spring piece includes a body, a through hole and a contact pin;The through hole is arranged on the body, and the contact pin is arranged on the two sides of the body;

[0007] The terminal includes upper terminal and lower terminal, and the upper terminal is fixed in the upper shell;The lower terminal is fixed in the lower shell;The first metal spring piece is at least 2, and is arranged on the upper shell and the lower shell;

[0008] The through hole of the first metal spring piece is matched with the boss of the upper shell and the lower shell;The through hole is buckled and fixed on the boss;

[0009] The contact pin of the first metal spring piece fixed on the upper shell is respectively contacted with the upper terminal on the two sides of the upper shell;The contact pin of the first metal spring piece fixed on the lower shell is respectively contacted with the lower terminal on the two sides of the lower shell;

[0010] The second metal spring includes a main body, an insert plate, a fixing plate, and an inner contact; the insert plate is located on both sides of the main body, the fixing plate is located at the bend of the main body and extends outward; the inner contact is located on the main body and protrudes inward.

[0011] The cover includes a cover body, a fixing plate hole, a clip, and a fastener. The fixing plate hole is located at the bend of the cover body, the clip is located on one side of the cover body, and the fastener is located on both ends of the cover body.

[0012] The fixing plate of the second metal spring is inserted into the fixing plate hole on the cover; wherein the insert plate is inserted into the insert plate groove of the upper housing, and the inner contact foot is pressed tightly on the upper terminal from top to bottom;

[0013] The cover is secured in the locking slot of the upper housing; the fastener is secured in the fastener slot of the upper housing.

[0014] The second metal spring is first fixed on the cover. The second metal spring is then pressed into the upper housing by the cover through an assembly process, so that the second metal spring is tightly connected with the upper terminal.

[0015] In the further optimized solution, the first metal spring is flat and elongated; there are at least two through holes; the contact is L-shaped and bent, with the tail end of the contact bent upwards; and the contact of the first metal spring presses against the bottom of the upper terminal and the lower terminal from bottom to top.

[0016] In the further optimized design, the bosses are the protruding parts at the bottom of the upper and lower shells; there are at least two bosses in both the upper and lower shells.

[0017] In the further optimized solution, the through hole sleeve is attached to the boss, and the boss is flattened by riveting, so that the through hole and the boss are tightly connected and fixed.

[0018] In the further optimized design, the main body of the second metal spring is a three-fold surface, with an inner contact foot on each fold surface; the tail end of the inner contact foot is concave inward.

[0019] In the further optimized design, the upper terminal has a three-bend structure, including a first bend, a second bend, and a third bend; the first bend connects to the second bend, and the second bend connects to the third bend; the tail end of the inner contact is pressed against the second bend of the upper terminal.

[0020] In the further optimized design, hooks are provided on both sides of the card; the card slot is provided with a buckle. The card is inserted into the card slot, and the card is fastened and fixed in the card slot of the upper shell by the hooks and buckles.

[0021] In the further optimized design, fixing points are provided on both sides of the insertion plate slot, and the fixing points are used to fix the insertion plate.

[0022] In the further optimized design, a cutting line is provided near the body of the contact foot; the cutting line is used by the cutting tool to cut the contact foot and splice the contact foot; a cutting line is provided near the body of the inner contact foot; the cutting line is used by the cutting tool to cut the inner contact foot and splice the inner contact foot.

[0023] In the further optimized solution, the metal spring is used to contact the terminals on both sides of the housing through the contact feet, thereby connecting the terminals in the areas on both sides of the housing.

[0024] Compared to previously disclosed technical solutions, the innovation of this multi-contact connection terminal structure lies in its use of metal springs and a special plastic structure to tightly integrate two parts. Different metal contact pin distributions enable cross-regional terminal connection and conduction, achieving signal transmission and shielding. This overcomes the shortcomings of existing terminal structures. The first metal spring is pre-positioned on the edge of the housing, with its contact pins pressing against the terminals on the housing. The second metal spring directly presses against the upper terminals of the housing, achieving multi-contact terminal connection and conduction. This meets the requirements of next-generation communication terminals. Attached Figure Description

[0025] Figure 1 An exploded view of a multi-contact connection terminal structure;

[0026] Figure 2 This is a top view of a multi-contact connection terminal structure.

[0027] Figure 3 This is a cross-sectional view of a multi-contact connection terminal structure;

[0028] Figure 4 This is an overall diagram of the housing terminals and the second metal spring.

[0029] Figure 5 This is a structural diagram of the upper terminal and the upper housing;

[0030] Figure 6 This is an overall view of the upper terminal and the upper housing;

[0031] Figure 7 This is a structural diagram of the lower terminal and lower housing;

[0032] Figure 8 This is an overall view of the lower terminal and lower housing;

[0033] Figure 9 This is a structural diagram of the second metal spring and cover plate. Detailed Implementation

[0034] The following is in conjunction with the appendix Figures 1 to 9 The present invention will be described in detail with reference to specific embodiments, but this is not intended to limit the present invention.

[0035] Example 1

[0036] As attached Figures 1 to 9 As shown, a multi-contact connection terminal structure includes a housing 1, a cover 2, a first metal spring 3, a second metal spring 4, and a terminal 5.

[0037] The housing 1 includes an upper housing 11, a middle housing 12, and a lower housing 13. The upper housing 11 has an insertion slot 111 on its top, an insertion slot 111 and a locking slot 112 on its side, and fastener slots 113 on the inner sides of both ends. The upper housing 11 has a boss 114 at its bottom, and the middle housing 12 has a locking strip 121 at its bottom. The lower housing 13 has a locking strip groove 131 on its top and a boss 114 at its bottom. The locking strip 121 of the middle housing 12 is engaged and fixed in the locking strip groove 131 of the lower housing 13. The upper housing 11 is mounted on the middle housing 12. The first metal spring 3 includes a body 31, a through hole 32, and contact feet 33. The through hole 32 is located on the body 31, and the contact feet 33 are located on both sides of the body 31. Terminal 5 includes an upper terminal 51 and a lower terminal 52, wherein the upper terminal 51 is fixed in the middle inside the upper housing 11; wherein the lower terminal 52 is fixed in the middle inside the lower housing 13; wherein there are at least two first metal springs 3, which are respectively disposed on the upper housing 11 and the lower housing 13; wherein the through hole 32 of the first metal spring 3 matches the boss 114 of the upper housing 11 and the lower housing 13; the through hole 32 is fastened to the boss 114; wherein the contact foot 33 of the first metal spring 3 fixed on the upper housing 11 contacts the upper terminal 51 on both sides of the upper housing 11; wherein the contact foot 33 of the first metal spring 3 fixed on the lower housing 13 contacts the lower terminal 52 on both sides of the lower housing 13; wherein the second metal spring 4 includes a main body 41, an insert plate 42, a fixing plate 43, and an inner contact foot 44; the insert plate 42 is disposed on both sides of the main body 41, and the fixing plate 43 is disposed on the main body 41. The bend extends outward; the inner contact foot 44 is provided on the main body 41 and protrudes inward; the cover 2 includes a cover body 21, a fixing plate hole 22, a clip 23 and a fastener 24, the fixing plate hole 22 is provided at the bend of the cover body 21, the clip 23 is provided on one side of the cover body 21; the fastener 24 is provided on both ends of the cover body 21; the fixing plate 43 of the second metal spring 4 is inserted into the fixing plate hole 22 on the cover 2; wherein the insert plate 42 is inserted into the upper... Inside the insertion slot 111 of the housing 11, the inner contact 44 presses down onto the upper terminal 51; the clip 23 of the cover 2 is fastened and fixed in the clip slot 112 of the upper housing 11; the fastener 24 is fastened and fixed in the fastener slot 113 of the upper housing 11; the second metal spring 4 is first fixed on the cover 2, and then pressed into the upper housing 11 by the assembly process, so that the second metal spring 4 and the upper terminal 51 are tightly combined. The first metal spring 3 is flat and elongated; there are at least two through holes 32; the contact 33 is L-shaped, with the tail end of the contact 33 bent upwards; the contact 33 of the first metal spring 3 presses against the lower part of the upper terminal 51 and the lower terminal 52 from bottom to top. The boss 114 is a protruding part at the bottom of the upper housing 11 and the lower housing 13; there are at least two bosses 114 in both the upper housing 11 and the lower housing 13.The through hole 32 is fitted onto the boss 114, and the boss 114 is flattened by riveting, so that the through hole 32 and the boss 114 are tightly connected and fixed. The main body 41 of the second metal spring 4 is a three-fold surface, and each fold surface is provided with an inner contact 44; the tail end of the inner contact 44 is concave inward. The upper terminal 51 has a three-fold structure, including a first fold 511, a second fold 512 and a third fold 513; the first fold 511 connects to the second fold 512, and the second fold 512 connects to the third fold 513; the tail end of the inner contact 44 is pressed against the second fold 512 of the upper terminal. The locking piece 23 is provided with hooks 231 on both sides; the locking piece groove 112 is provided with a buckle 1121. The locking piece 23 is inserted into the locking piece groove 112, and the locking piece 23 is fixed in the locking piece groove 112 of the upper housing 11 by the hooks 231 fastening the buckle 1121. The main body 31 has two sets of contacts 33 on both sides, with at least two sets of contacts 33. A through hole 32 is located between the two sets of contacts 33. Fixing points 1111 are provided on both sides of the insertion plate slot 111 for fixing the insertion plate 42. A cutting line is provided near the main body 31 on the contact 33; the cutting line is used by a cutting tool to cut the contact 33 and to connect the contact 33. A cutting line is also provided near the main body 41 on the inner contact 44; the cutting line is used by a cutting tool to cut the inner contact 44 and to connect the inner contact 44. The first metal spring 3 is used to contact the terminals 5 on both sides of the housing 1 through the contacts 33, thus connecting the terminals 5 in the areas on both sides of the housing 1.

[0038] As attached Figures 1 to 9 As shown, a multi-contact connection terminal structure is described in the following embodiment: The upper housing 11 and lower housing 13 are provided with multiple protrusions 114. The protrusions 114 are not limited in shape and can be rhomboid, cylindrical, square, etc. The first metal spring 3 has multiple through holes 32. The through holes 32 are not limited in shape and can be rhomboid, cylindrical, square, etc. The first metal spring 3 has multiple contacts 33. The position and number of contacts 33 can be adjusted according to actual application requirements. The through holes 32 match the protrusions 114. The through holes 32 are fitted onto the protrusions 114. The protrusions 114 are then flattened by a riveting process, so that the first metal spring 3 is tightly connected to the upper housing 11 and lower housing 13 respectively. The contacts 33 on the first metal spring 3 achieve cross-region terminal connection and conduction by contacting the terminals on both sides of the housing. Cross-region terminal connection and conduction are achieved through different metal contact distributions, realizing signal transmission and shielding. The second metal spring 4 is first fixed to the cover 2. The second metal spring 4 is then pressed into the upper housing 11 by the cover 2 through an assembly process, so that the second metal spring 4 and the upper terminal 51 are tightly joined together. This achieves the purpose of this invention.

[0039] As is known from common technical knowledge, this technical solution can be implemented through other embodiments that do not depart from its spirit or essential characteristics. Therefore, the disclosed embodiments described above are merely illustrative and not the only ones. All modifications within the scope of this utility model or its equivalents are included in this utility model.

Claims

1. A multi-contact connection terminal structure, comprising a shell, a cover, a first metal spring, a second metal spring and a terminal; characterized in that: the shell comprises an upper shell, a middle shell and a lower shell; the upper shell is provided with a plug slot at the top, a plug slot and a clamping member slot at the side, and a fastener slot at both ends; the upper shell is provided with a boss at the bottom, and the middle shell is provided with a clamping strip; the lower shell is provided with a clamping strip slot at the top and a boss at the bottom; the clamping strip of the middle shell is clamped into the clamping strip slot of the lower shell; the upper shell is arranged on the middle shell; the first metal spring comprises a body, a through hole and a contact leg; the through hole is arranged on the body, and the contact leg is arranged on both sides of the body; the terminal comprises an upper terminal and a lower terminal; the upper terminal is fixed in the upper shell; the lower terminal is fixed in the lower shell; the first metal spring is at least two, and is arranged on the upper shell and the lower shell respectively; the through hole of the first metal spring is matched with the boss of the upper shell and the lower shell; the through hole is buckled and fixed on the boss; the contact leg of the first metal spring fixed on the upper shell is in contact with the upper terminal on both sides of the upper shell; the contact leg of the first metal spring fixed on the lower shell is in contact with the lower terminal on both sides of the lower shell; the second metal spring comprises a main body, a plug, a fixed plate and an inner contact leg; the plug is arranged on both sides of the main body, the fixed plate is arranged on the main body and extends outward; the inner contact leg is arranged on the main body and protrudes inward; the cover comprises a cover body, a fixed plate hole, a clamping member and a fastener; the fixed plate hole is arranged on the bending part of the cover body, and the clamping member is arranged on one side of the cover body; the fastener is arranged on both end faces of the cover body; the fixed plate of the second metal spring is inserted into the fixed plate hole of the cover; the plug is inserted into the plug slot of the upper shell, and the inner contact leg is pressed on the upper terminal from top to bottom; the clamping member of the cover is clamped and fixed in the clamping member slot of the upper shell; the fastener is buckled and fixed in the fastener slot of the upper shell; the second metal spring is first fixed on the cover, and the second metal spring is pressed into the upper shell through assembly process, so that the second metal spring is tightly combined with the upper terminal.

2. The multi-contact connector terminal structure according to claim 1, characterized by: the first metal spring is flat and long; the through hole is at least two; the contact leg is L-shaped bending, and the tail end of the contact leg is upwardly bent and raised; the contact leg of the first metal spring is pressed from bottom to top on the lower part of the upper terminal and the lower terminal.

3. The multi-contact connector terminal structure as claimed in claim 1, characterized by: the boss is a protruding part on the bottom of the upper shell and the lower shell; the boss of the upper shell and the lower shell is at least two.

4. The multi-contact connector terminal structure as claimed in claim 1, characterized by: the through hole is buckled on the boss, the boss is pressed flat through riveting, and the through hole is tightly combined and fixed with the boss.

5. The multi-contact connector terminal structure as claimed in claim 1, characterized by: the main body of the second metal spring is three-fold surface, and the inner contact leg is arranged on each fold surface; the tail end of the inner contact leg is inwardly recessed.

6. The multi-contact connector terminal structure according to claim 1 or 5, characterized by: the upper terminal is three-fold bending structure, comprising a first fold segment, a second fold segment and a third fold segment; the first fold segment is connected with the second fold segment, and the second fold segment is connected with the third fold segment; the tail end of the inner contact leg is pressed on the second fold segment of the upper terminal.

7. The multi-contact connector terminal structure according to claim 1, characterized by: the clamping member is provided with clamping hooks on both sides; the clamping member slot is provided with a reverse buckle, the clamping member is inserted into the clamping member slot, and the clamping member is buckled and fixed in the clamping member slot of the upper shell through the clamping hooks.

8. The multi-contact connector terminal structure of claim 1, wherein: the plug slot is provided with fixing points on both sides, and the fixing points are used for fixing the plug.

9. The multi-contact connector terminal structure as claimed in claim 1, characterized by: The inner contact pin is provided with a cutting line near the main body; the cutting line is used to cut the tool cutting inner contact pin and the spliced inner contact pin.

10. The multi-contact connector terminal structure as claimed in claim 1, characterized by: The first metal elastic sheet is used to contact the terminals on both sides of the shell through the contact pin, and conduct the terminals in the areas on both sides of the shell.