CN117977262A - Connector terminal and connector - Google Patents

Connector terminal and connector Download PDF

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Publication number
CN117977262A
CN117977262A CN202211311507.XA CN202211311507A CN117977262A CN 117977262 A CN117977262 A CN 117977262A CN 202211311507 A CN202211311507 A CN 202211311507A CN 117977262 A CN117977262 A CN 117977262A
Authority
CN
China
Prior art keywords
side wall
terminal
spring
elastic piece
connector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211311507.XA
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Chinese (zh)
Inventor
姚东泉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BYD Co Ltd
Original Assignee
BYD Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BYD Co Ltd filed Critical BYD Co Ltd
Priority to CN202211311507.XA priority Critical patent/CN117977262A/en
Publication of CN117977262A publication Critical patent/CN117977262A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
    • H01R13/2407—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
    • H01R13/2414—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means conductive elastomers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/428—Securing in a demountable manner by resilient locking means on the contact members; by locking means on resilient contact members
    • H01R13/434—Securing in a demountable manner by resilient locking means on the contact members; by locking means on resilient contact members by separate resilient locking means on contact member, e.g. retainer collar or ring around contact member

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The invention belongs to the technical field of connectors, and particularly relates to a connector terminal and a connector, wherein the connector terminal comprises a terminal main body, a first elastic piece and a second elastic piece; the terminal main body is used for plugging the matched terminal along a first direction; the first end of the first elastic piece and the first end of the second elastic piece are connected to the terminal main body, the second end of the first elastic piece and the second end of the second elastic piece extend towards the direction of the compression joint part and are gradually close to each other, and under the action of external force, the second end of the first elastic piece and the second end of the second elastic piece can move in opposite directions and are abutted to the sheath so as to prevent the connector terminal from falling out of the sheath according to the original path. In the invention, when the connector terminal is forced to leave the sheath, the second end of the first elastic piece and the second end of the second elastic piece move towards each other due to the reaction force of the sheath, so that the holding force of the connector terminal is increased, and when the applied force is large enough, the first elastic piece and the second elastic piece are contacted together, so that the larger holding force is provided, and the connector terminal is prevented from being pulled out of the sheath.

Description

Connector terminal and connector
Technical Field
The invention belongs to the technical field of connectors, and particularly relates to a connector terminal and a connector.
Background
In recent years, with the development of the connector industry, the square terminal has been used as a development direction of the terminal connector, and has the characteristics of low cost and excellent performance, and has become an important battlefield for connector manufacturers to compete.
However, as electronic products become more complex and have smaller structures, it is difficult to increase the retention force between the complex small-sized terminals and the sheath, and particularly when the electrical connection is applied to the inside of an automobile, the wire harness needs to be connected more stably. The conventional terminals have poor retention and have failed to meet the high retention requirements.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: aiming at the problem of poor retention force of the prior connector terminal, the connector terminal and the connector are provided.
In order to solve the technical problems, in one aspect, an embodiment of the present invention provides a connector terminal, which is used for being inserted into a sheath of a connector, and includes a terminal main body, a first elastic sheet and a second elastic sheet; the terminal main body is used for plugging the matched terminal along a first direction;
The first end of the first elastic piece and the first end of the second elastic piece are connected to the terminal main body, the second end of the first elastic piece and the second end of the second elastic piece extend along the first direction and are gradually close to each other, and under the action of external force, the second end of the first elastic piece and the second end of the second elastic piece can move in opposite directions and are abutted to the sheath of the connector so as to prevent the connector terminal from falling out of the sheath of the connector.
Optionally, the first elastic piece and the second elastic piece are symmetrically arranged on the terminal main body, and the length of the second elastic piece is the same as that of the first elastic piece.
Optionally, the connector terminal further includes a third spring piece and a fourth spring piece, the third spring piece is connected to the second end of the first spring piece, the third spring piece and the first spring piece are staggered, the fourth spring piece is connected to the second end of the second spring piece, and the fourth spring piece and the second spring piece are staggered; the third elastic sheet and the fourth elastic sheet are arranged in parallel.
Optionally, in the first direction, a projection size of the first elastic piece is greater than or equal to a projection size of the third elastic piece, and a projection size of the second elastic piece is greater than or equal to a projection size of the fourth elastic piece.
Optionally, the inclination angle of the first elastic sheet is 5-30 degrees, and the inclination angle of the second elastic sheet is 5-30 degrees.
Optionally, in a second direction perpendicular to the first direction, the projection size of the first elastic sheet is 0.4-0.8 mm, and the projection size of the second elastic sheet is 0.4-0.8 mm.
Optionally, the terminal main part includes crimping portion, terminal grafting portion and cover and establishes the shell of the outside of terminal grafting portion, first shell fragment with the second shell fragment is connected on the shell, terminal grafting portion is used for pegging graft the mating terminal.
Optionally, the shell includes the first lateral wall, second lateral wall, third lateral wall and the fourth lateral wall that connect gradually, the first end of first shell fragment is connected the first lateral wall with the junction of second lateral wall, the first end of second shell fragment is connected the first lateral wall with the junction of fourth lateral wall, the second end of first shell fragment with the second end of second shell fragment extends to on the first lateral wall.
Optionally, the first end of the first elastic piece is flush with the second side wall, and the first end of the second elastic piece is flush with the fourth side wall.
Optionally, an avoidance hole is formed in the first side wall, the terminal plugging portion exposes out of the avoidance hole, and the avoidance hole is used for avoiding when the second end of the first elastic sheet and the second end of the second elastic sheet move in opposite directions.
Optionally, the shell further includes an error-proofing plate, the error-proofing plate is connected in the junction of the first side wall and the second side wall, the error-proofing plate with the second side wall parallel and level, the first end of the first shell fragment is connected on the error-proofing plate.
Optionally, a plugging channel for plugging a mating terminal is arranged in the terminal plugging part, the terminal plugging part comprises a plugging part main body and at least one elastic contact arm connected to the plugging part main body, the inner sides of all the elastic contact arms form a first channel, a second channel is arranged in the plugging part main body, and the first channel and the second channel are communicated to form the plugging channel;
The elastic contact arm extends from one end of the plug-in part main body along the direction opposite to the first direction, and the elastic contact arm elastically contacts and presses the mating terminal.
Optionally, the elastic contact arm includes a first segment, a contact portion and a second segment, the first end of the first segment is connected to the socket body, the second end of the first segment is connected to the first end of the contact portion, the second end of the contact portion is connected to the second segment, the contact portion protrudes toward the inside of the socket channel and is in a curved state, the contact portion is used for elastically contacting the mating terminal, and the extending directions of the first segment and the second segment are different.
Optionally, the plug-in part main part includes fifth lateral wall, sixth lateral wall, seventh lateral wall and eighth lateral wall, the fifth lateral wall, sixth lateral wall, at least one of seventh lateral wall and the eighth lateral wall is connected with the elasticity contact arm, the fifth lateral wall, sixth lateral wall, seventh lateral wall and eighth lateral wall connect gradually and enclose and close and form the second passageway, the fifth lateral wall sets up the inboard of first lateral wall, the sixth lateral wall sets up the inboard of second lateral wall, the seventh lateral wall sets up the inboard of third lateral wall, the eighth lateral wall sets up the inboard of fourth lateral wall.
Optionally, the crimping portion includes a crimping portion body, and a cable clip and an insulating clip disposed on the crimping portion body, the cable clip being closer to the contact portion than the insulating clip.
In another aspect, an embodiment of the present invention provides a connector, including a sheath, a mating terminal and a connector terminal as described above, where the sheath is sleeved on an outer side of the connector terminal, and the mating terminal is inserted into the connector terminal.
According to the connector terminal provided by the embodiment of the invention, the second end of the first elastic piece and the second end of the second elastic piece are close to each other, the first elastic piece and the second elastic piece are clamped in the sheath, the connector terminal is clamped in the sheath, when the connector terminal is stressed to leave the sheath, the second end of the first elastic piece and the second end of the second elastic piece can move towards each other due to the reaction force of the sheath to the first elastic piece and the second elastic piece, the distance between the second end of the first elastic piece and the second end of the second elastic piece is gradually reduced, the holding force of the connector terminal is increased, when the applied force is large enough, the second end of the first elastic piece and the second end of the second elastic piece are contacted together, the larger holding force is provided, and the first elastic piece and the second elastic piece act on the sheath together, so that the connector terminal is prevented from being pulled out of the sheath.
Drawings
Fig. 1 is a schematic view of a connector terminal according to an embodiment of the present invention;
FIG. 2 is another schematic view of a connector terminal according to an embodiment of the present invention;
Fig. 3 is a schematic top view of a connector terminal according to an embodiment of the present invention;
FIG. 4 is a schematic view of a resilient contact arm according to an embodiment of the present invention;
FIG. 5 is a schematic view of a housing and a terminal mating portion according to an embodiment of the present invention;
fig. 6 is an exploded view of a terminal body according to an embodiment of the present invention.
Reference numerals in the specification are as follows:
11. A terminal insertion portion; 111. a plugging channel; 112. an elastic contact arm; 1121. a first segment; 1122. a contact portion; 1123. a second segment; 113. a fifth sidewall; 114. a sixth sidewall; 115. a seventh sidewall; 116. an eighth sidewall;
12. a housing; 121. a first sidewall; 1211. avoidance holes; 122. a second sidewall; 123. a third sidewall; 124. a fourth sidewall; 125. an error-proofing plate; 126. a guide vane; 127. a buckle;
2. a crimping part; 21. a cable clamp; 22. an insulating wire clamp;
3. a first elastic sheet;
4. a second spring plate;
5. A third spring plate;
6. and a fourth elastic sheet.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects solved by the invention more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1 to 6, an embodiment of the present invention provides a connector terminal, which is used for being inserted into a sheath of a connector, wherein the sheath is a protective plastic part of the connector, and the connector terminal includes a terminal main body, a first elastic sheet 3 and a second elastic sheet 4. The terminal main body is used for plugging the mating terminal along a first direction, the first end of the first elastic sheet 3 and the first end of the second elastic sheet 4 are connected to the terminal main body, the second end of the first elastic sheet 3 and the second end of the second elastic sheet 4 extend along the first direction and are gradually close to each other, the distance between the second end of the first elastic sheet 3 and the second end of the second elastic sheet 4 is gradually reduced, namely, the distance between the second end of the first elastic sheet 3 and the second end of the second elastic sheet 4 is smaller than the distance between the first end of the first elastic sheet 3 and the first end of the second elastic sheet 4, and under the action of external force, the second end of the first elastic sheet 3 and the second end of the second elastic sheet 4 can move in opposite directions and are abutted to the sheath of the connector so as to prevent the connector terminal from being separated from the sheath of the connector according to the original path.
According to the connector terminal provided by the embodiment of the invention, the first elastic piece 3 and the second elastic piece 4 extend towards the inner side, so that the second end of the first elastic piece 3 and the second end of the second elastic piece 4 are close to each other, the first elastic piece 3 and the second elastic piece 4 are clamped in the sheath, the connector terminal is clamped in the sheath, the first elastic piece 3 and the second elastic piece 4 are inwards arranged to save the inner space of the sheath, when the connector terminal is stressed to leave the sheath, the second end of the first elastic piece 3 and the second end of the second elastic piece 4 can move towards each other due to the reaction force of the sheath to the first elastic piece 3 and the second elastic piece 4, the distance between the second end of the first elastic piece 3 and the second end of the second elastic piece 4 is gradually reduced, the holding force of the connector terminal is increased, when the applied force is large enough, the second end of the first elastic piece 3 and the second end of the second elastic piece 4 are contacted together, and the larger holding force is provided, the first elastic piece 3 and the second elastic piece 4 act on the sheath together, and the connector terminal is prevented from being pulled out from the sheath.
In an embodiment, as shown in fig. 1 and fig. 3, the first elastic piece 3 and the second elastic piece 4 are symmetrically arranged on the terminal main body, and the length of the second elastic piece 4 is consistent with that of the first elastic piece 3, so that the balance of the reaction force of the sheath to the first elastic piece 3 and the second elastic piece 4 can be maintained, the force dispersion is avoided, and the effect that the second end of the first elastic piece 3 and the second end of the second elastic piece 4 can move in opposite directions is achieved, and a larger holding force is provided.
In an embodiment, in a second direction perpendicular to the first direction, that is, a direction perpendicular to the insertion direction of the mating terminal, the projection size B 1 of the first spring plate 3 is 0.4 to 0.8mm, and the projection size B 2 of the second spring plate 4 is 0.4 to 0.8mm.
In an embodiment, the projection size B 1 of the first spring plate 3 is 0.4-0.5 mm, and the projection size B 2 of the second spring plate 4 is 0.4-0.5 mm.
When the connector terminal and the sheath are mutually matched, a certain amount of interference is required to be ensured, the projection size B 1 of the first elastic piece 3 in the second direction and the projection size B 2 of the second elastic piece 4 in the second direction are the interference, namely the projection sizes of the first elastic piece 3 and the second elastic piece 4 in the vertical direction in fig. 3, the projection sizes of the first elastic piece 3 and the second elastic piece 4 in the first direction and the interference can influence the holding force between the connector terminal and the sheath, and the larger the projection size of the elastic piece in the first direction is, the longer the force arm is, the smaller the holding force is, and the larger the interference is, and the larger the holding force is.
In an embodiment, as shown in fig. 3, the connector terminal further includes a third spring 5 and a fourth spring 6, the third spring 5 is connected to the second end of the first spring 3, the third spring 5 is not on the same plane as the first spring 3, the fourth spring 6 is connected to the second end of the second spring 4, and the fourth spring 6 and the second spring 4 are not on the same plane. With the first direction as a reference, the first elastic piece 3 and the second elastic piece 4 are inclined plates, an included angle is formed between the inclined plates and the first direction, the third elastic piece 5 and the fourth elastic piece 6 extend along the first direction, the first elastic piece 3 extends towards the inner side of the terminal main body, the second elastic piece 4 extends towards the inner side of the terminal main body, the distance between the first elastic piece 3 and the second elastic piece 4 is gradually reduced, and the third elastic piece 5 and the fourth elastic piece 6 are mutually parallel.
Through setting up horizontal third shell fragment 5 and fourth shell fragment 6, can reduce the slip of first shell fragment 3 and second shell fragment 4, when initial atress and atress are less, first shell fragment 3 and second shell fragment 4 are difficult for taking place the opposite movement, reduce the slip of shell fragment, be favorable to increasing holding power, when the atress increases, inwards opposite movement through first shell fragment 3 and second shell fragment 4 of slope, provide bigger holding power for connector terminal, when third shell fragment 5 and fourth shell fragment 6 contact together, reach the biggest holding power, at this moment, first shell fragment 3 and second shell fragment 4 jointly form the V type.
In an embodiment, as shown in fig. 3, in the first direction, the projection size of the first elastic piece 3 is L 11, the projection size of the third elastic piece 5 is L 12,L11≥L12, the projection size of the second elastic piece 4 can be guaranteed to be L 21, the projection size of the fourth elastic piece 6 is L 22,L21≥L22, the sum of the projection size of the first elastic piece 3 and the projection size of the third elastic piece 5 is L 1, and the sum of the projection size of the second connecting section 41 and the projection size of the fourth elastic piece 6 is L 2.
In an embodiment, as shown in fig. 3, the inclination angle of the first elastic piece 3 is 5 to 30 °, and the inclination angle of the second elastic piece 4 is 5 to 30 °. The above-mentioned inclination is the contained angle between first shell fragment 3, second shell fragment 4 and the first direction, at L 1、L2 and interference quantity B 1、B2 timing, the projection size L 11 of first shell fragment 3 and the projection size L 12 of third shell fragment 5's ratio can influence the inclination of first shell fragment 3, set up L 11≥L12 for the ratio of L 11 and L 12 is minimum 1, and the bigger the ratio of projection size L 11 of first shell fragment 3 and the projection size L 12 of third shell fragment 5 is, the smaller the inclination, and the holding power is just big, therefore, the bigger the ratio is in theory more favorable to increasing the holding power. Likewise, the ratio of the projection size L 21 of the second spring 4 to the projection size L 22 of the fourth spring 6 affects the tilting angle of the second spring 4, and L 21≥L22 is set so that the ratio of L 21 to L 22 is at least 1, and the larger the ratio of the projection size L 21 of the second spring 4 to the projection size L 22 of the fourth spring 6 is, the smaller the tilting angle is, and the larger the holding force is.
In an embodiment, the inclination angle of the first elastic piece 3 is 5 to 20 °, the inclination angle of the second elastic piece 4 is 5 to 20 °, preferably, the inclination angle of the first elastic piece 3 is 10 to 20 °, and the inclination angle of the second elastic piece 4 is 10 to 20 °.
In one embodiment, as shown in fig. 1, 5 and 6, the terminal body includes a press-connection portion 2, a terminal plugging portion 11, and a housing 12 sleeved on the outer side of the terminal plugging portion 11, where the first elastic piece 3 and the second elastic piece 4 are connected to the housing 12, and the terminal plugging portion 11 is used for plugging the mating terminal.
In an embodiment, as shown in fig. 1,2 and 5, the housing 12 includes a first side wall 121, a second side wall 122, a third side wall 123 and a fourth side wall 124, the first side wall 121, the second side wall 122, the third side wall 123 and the fourth side wall 124 are sequentially connected to form a tubular structure and are sleeved outside the terminal plugging portion 11, the first direction is the same as the extending direction of the first side wall 121, the second direction is a direction perpendicular to the second side wall 122 and the fourth side wall 124, a plane formed by the first direction and the second direction is parallel to the first side wall 121, and the first spring sheet 3 and the second spring sheet 4 are perpendicular to the first side wall 121 in a normal direction of a plane formed by the first direction and the second direction. The first end of the first elastic piece 3 is connected to the junction of the first side wall 121 and the second side wall 122, the second end of the first elastic piece 3 extends towards the inner side of the second side wall 122, the second end of the first elastic piece 3 extends to the upper side of the first side wall 121, the first end of the second elastic piece 4 is connected to the junction of the first side wall 121 and the fourth side wall 124, the second end of the second elastic piece 4 extends towards the inner side of the fourth side wall 124, and the second end of the second elastic piece 4 extends to the upper side of the first side wall 121.
In an embodiment, the first end of the first elastic piece 3 is flush with the second side wall 122, and the first end of the first elastic piece 3 is formed by extending the second side wall 122 toward a direction away from the third side wall 123, so that the first end of the first elastic piece 3 and the second side wall 22 are integrated, and the connection strength of the first elastic piece 3 can be increased. The first end of the second elastic piece 4 is flush with the fourth side wall 124, and the first end of the second elastic piece 4 is formed by the fourth side wall 124 extending along the direction away from the third side wall 123, so that the first end of the second elastic piece 4 and the fourth side wall 124 are integrated, and the connection strength of the second elastic piece 4 can be increased.
In an embodiment, as shown in fig. 1, the first side wall 121 is provided with an avoidance hole 1211, the terminal plugging portion 11 exposes the avoidance hole 1211, the avoidance hole 1211 penetrates the first side wall 121, and the avoidance hole 1211 is used for avoiding when the second end of the first elastic sheet 3 and the second end of the second elastic sheet 4 move in opposite directions, so as to prevent friction between the first side wall 121 and the first elastic sheet 3 and the second elastic sheet 4, and avoid interference between the second end of the first elastic sheet 3 and the second end of the second elastic sheet 4. Preferably, in the first direction, the length of the avoiding hole 1211 is greater than or equal to the sum L1 of the projected size of the first elastic piece 3 and the projected size of the third elastic piece 5.
In an embodiment, as shown in fig. 1 and fig. 2, the housing 12 further includes an error-proofing plate 125, where the error-proofing plate 125 is connected to a junction between the first side wall 121 and the second side wall 122, the error-proofing plate 125 is flush with the second side wall 122, the first end of the first elastic sheet 3 is connected to the error-proofing plate 125, and the housing 12 is in a square tubular structure, when the error-proofing plate 125 is not provided, a situation that the position of the terminal main body rotates and the plugging direction of the terminal main body cannot be distinguished easily occurs, and when the connector terminal is inserted into the sheath, the plugging position of the connector terminal can be corrected through the error-proofing plate 125, so as to prevent the plugging error of the connector terminal.
In an embodiment, as shown in fig. 1, the housing 12 further includes a plurality of guide fins 126 and a plurality of buckles 127, the plurality of guide fins 126 are connected to one end of the housing 12, the plurality of guide fins 126 are respectively connected to ends of the first side wall 121, the second side wall 122, the third side wall 123 and the fourth side wall 124 of the housing 12, the guide fins 126 are in an S-shaped structure, the plurality of guide fins 126 gather towards the center to form an insertion slot, the guide fins 126 are used for guiding when the mating terminal is inserted into the insertion slot, one end of the guide fins 126 far away from the housing 12 is closer to the central axis of the insertion channel 111 than the elastic contact arm 112, and can shield the end of the elastic contact arm 112, so that when the mating terminal is inserted, the guide fins 126 guide the mating terminal to be inserted into the insertion slot, thereby avoiding the mating terminal from colliding with the end of the elastic contact arm 112.
The plurality of buckles 127 are connected to the other end of the housing 12, the buckles 127 are of a U-shaped structure, and when the housing 12 is sleeved on the outer side of the terminal plugging portion 11, the housing 12 is clamped on the terminal plugging portion 11 through the buckles 127, so that the housing 12 is prevented from being separated from the terminal plugging portion 11.
In an embodiment, as shown in fig. 4, a plugging channel 111 for plugging a mating terminal is disposed in the terminal plugging portion 11, the terminal plugging portion 11 includes a plugging portion body and at least one elastic contact arm 112 connected to the plugging portion body, the inner sides of all the elastic contact arms 112 form a first channel, the interior of the plugging portion body has a hollow second channel, and the first channel and the second channel are communicated to form the plugging channel 111. The elastic contact arm 112 extends from one end of the plugging portion body along the opposite direction of the insertion of the mating terminal, that is, along the opposite direction of the first direction, the plugging channel 111 has an opening into which the mating terminal is inserted, the elastic contact arm 112 extends from one end of the plugging portion body to the opening, the elastic contact arm 112 elastically contacts and compresses the mating terminal, when the mating terminal is inserted into the plugging channel 111, the elastic contact arm 112 is pressed by the mating terminal to generate displacement in the plugging direction perpendicular to the mating terminal, the elastic contact arm 112 acts on the mating terminal, and applies pressure to the mating terminal, so as to ensure tight connection between the mating terminal and the elastic contact arm 112.
In an embodiment, the elastic contact arms 112 may be provided with one or more, when the elastic contact arms 112 are provided with one, the first channel is located on the inner side of the elastic contact arms 112, the inner side portion of the elastic contact arms 112 forms a part of the first channel, when the elastic contact arms 112 are provided with a plurality of elastic contact arms 112, the plurality of elastic contact arms 112 are arranged at intervals along the outer edge of one end of the plugging portion main body, the plurality of elastic contact arms 112 define the first channel, and when the mating terminal is inserted, the plurality of elastic contact arms 112 can apply pressure on the mating terminal together, so that the connector terminal has more contacts, connection stability is ensured, and elasticity and plugging force are increased.
In an embodiment, as shown in fig. 4, the elastic contact arm 112 includes a first segment 1121, a contact portion 1122, and a second segment 1123, wherein a first end of the first segment 1121 is connected to the socket body, a second end of the first segment 1121 is connected to the first end of the contact portion 1122, a second end of the contact portion 1122 is connected to the second segment 1123, the contact portion 1122 protrudes toward the inside of the socket channel 111 and is in a curved state, the contact portion 1122 is used for elastically contacting a mating terminal, and the extending directions of the first segment 1121 and the second segment 1123 are different.
As shown in fig. 4, the mating terminal is inserted into the insertion channel 111 from the left along the first direction, during the insertion process of the mating terminal, the contact portion 1122 is firstly contacted with the mating terminal, and the contact portion 1122 is pressed by the mating terminal, so that it generates a displacement perpendicular to the insertion direction of the mating terminal, and drives the elastic contact arms 112 to generate a displacement, so that the elastic contact arms 112 expand outwards, and at the same time, the elastic contact arms 112 generate a reaction force towards the mating terminal, and the reaction force is a positive pressure of the elastic contact arms 112 on the mating terminal. The resilient contact arms 112 are metallic materials to ensure good electrical and mechanical properties.
In an embodiment, the elastic contact arm 112 is generally V-shaped overall, the first segment 1121 is an inclined plate structure, the first segment 1121 extends from one end of the plug body toward the central axis of the plug channel 111, the second segment 1123 is an arc structure, the second segment 1123 extends away from the central axis of the plug channel 111, and one end of the second segment 1123 away from the contact 1122 is located at the opening of the plug channel 111.
In an embodiment, as shown in fig. 5, the plug main body includes a fifth side wall 113, a sixth side wall 114, a seventh side wall 115 and an eighth side wall 116, at least one of the fifth side wall 113, the sixth side wall 114, the seventh side wall 115 and the eighth side wall 116 is connected with the elastic contact arm 112, the fifth side wall 113, the sixth side wall 114, the seventh side wall 115 and the eighth side wall 116 are sequentially connected and enclose to form the second channel, the first segment 1121 of the elastic contact arm 112 is connected to one of the side walls, and the first segment 1121 is not flush with the side wall. The fifth side wall 113 is disposed inside the first side wall 121, the sixth side wall 114 is disposed inside the second side wall 122, the seventh side wall 115 is disposed inside the third side wall 123, the eighth side wall 116 is disposed inside the fourth side wall 124, the sixth side wall 114 has a length smaller than that of the second side wall 122, the seventh side wall 115 has a length smaller than that of the third side wall 123, and the eighth side wall 116 has a length smaller than that of the fourth side wall 124.
Preferably, the fifth side wall 113, the sixth side wall 114, the seventh side wall 115 and the eighth side wall 116 are all connected with elastic contact arms 112, the elastic contact arms 112 extend out from the side walls along the opposite direction of the first direction, the inner sides of the four elastic contact arms 112 form a first channel, and the four elastic contact arms 112 hold the mating terminals together, so that the connector terminals have more contact points, and the stability of connection is ensured.
When the elastic contact arm 112 is provided with one, the elastic contact arm 112 is connected to one of the side walls, and the other three side walls extend to the opening of the plugging channel 111, and the inner sides of the elastic contact arm 112 and the inner sides of the other three side walls form a first channel.
In one embodiment, as shown in fig. 1, the crimping part 2 includes a crimping part main body, and a cable clamp 21 and an insulating clamp 22 disposed on the crimping part main body, wherein the cable clamp 21 is closer to the terminal plugging part 11 than the insulating clamp 22, the cable clamp 21 is used for electrically connecting metal wires in a cable, and the insulating clamp 22 is clamped at the outer side of the cable.
In addition, the embodiment of the invention provides a connector, which comprises a sheath, a mating terminal and the connector terminal, wherein the sheath is sleeved on the outer side of the connector terminal, the sheath is provided with a plug-in port of the mating terminal, and the mating terminal can pass through the plug-in port and be plugged in a terminal plug-in part 11 of the connector terminal.
In one embodiment, the connector terminals are female terminals and the mating terminals are male terminals, the mating terminals being plugged into the connector terminals.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims (16)

1. A connector terminal, characterized in that the connector terminal is used for being inserted into a sheath of a connector, and comprises a terminal main body, a first elastic piece and a second elastic piece; the terminal main body is used for plugging the matched terminal along a first direction;
The first end of the first elastic piece and the first end of the second elastic piece are connected to the terminal main body, the second end of the first elastic piece and the second end of the second elastic piece extend along the first direction and are gradually close to each other, and under the action of external force, the second end of the first elastic piece and the second end of the second elastic piece can move in opposite directions and are abutted to the sheath of the connector so as to prevent the connector terminal from falling out of the sheath of the connector.
2. The connector terminal of claim 1, wherein the first spring and the second spring are symmetrically disposed on the terminal body, and the length of the second spring is the same as the length of the first spring.
3. The connector terminal of claim 1, further comprising a third spring tab and a fourth spring tab, wherein the third spring tab is connected to the second end of the first spring tab, wherein the third spring tab is offset from the first spring tab, wherein the fourth spring tab is connected to the second end of the second spring tab, and wherein the fourth spring tab is offset from the second spring tab; the third elastic sheet and the fourth elastic sheet are arranged in parallel.
4. The connector terminal of claim 3, wherein a projected dimension of the first spring is greater than or equal to a projected dimension of the third spring in the first direction, and a projected dimension of the second spring is greater than or equal to a projected dimension of the fourth spring.
5. The connector terminal according to claim 1, wherein the first spring piece has an inclination angle of 5 to 30 ° and the second spring piece has an inclination angle of 5 to 30 °.
6. The connector terminal according to claim 1, wherein a projected size of the first spring piece is 0.4 to 0.8mm in a second direction perpendicular to the first direction, and a projected size of the second spring piece is 0.4 to 0.8mm.
7. The connector terminal according to claim 1, wherein the terminal body includes a crimp portion, a terminal insertion portion, and a housing fitted over an outer side of the terminal insertion portion, the first spring piece and the second spring piece being connected to the housing, the terminal insertion portion being for inserting the mating terminal.
8. The connector terminal of claim 7, wherein the housing comprises a first side wall, a second side wall, a third side wall, and a fourth side wall connected in sequence, wherein the first end of the first spring is connected to the junction of the first side wall and the second side wall, wherein the first end of the second spring is connected to the junction of the first side wall and the fourth side wall, and wherein the second end of the first spring and the second end of the second spring extend onto the first side wall.
9. The connector terminal of claim 8, wherein the first end of the first spring is flush with the second side wall and the first end of the second spring is flush with the fourth side wall.
10. The connector terminal of claim 8, wherein the first side wall is provided with a relief hole, the terminal insertion portion is exposed to the relief hole, and the relief hole is configured to be relieved when the second end of the first spring and the second end of the second spring move toward each other.
11. The connector terminal of claim 8, wherein the housing further comprises an error-proofing plate, the error-proofing plate being connected at the junction of the first side wall and the second side wall, the first end of the first spring being connected to the error-proofing plate.
12. The connector terminal according to claim 8, wherein a mating passage for mating a mating terminal is provided in the terminal mating portion, the terminal mating portion including a mating portion body and at least one resilient contact arm connected to the mating portion body, the inner sides of all the resilient contact arms forming a first passage, the interior of the mating portion body having a second passage, the first passage and the second passage communicating to form the mating passage;
The elastic contact arm extends from one end of the plug-in part main body along the direction opposite to the first direction, and the elastic contact arm elastically contacts and presses the mating terminal.
13. The connector terminal according to claim 12, wherein the elastic contact arm includes a first segment, a contact portion, and a second segment, a first end of the first segment being connected to the socket body, a second end of the first segment being connected to the first end of the contact portion, a second end of the contact portion being connected to the second segment, the contact portion being projected toward an inside of the socket channel and being in a curved state, the contact portion being for elastically contacting the mating terminal, and extending directions of the first segment and the second segment being different.
14. The connector terminal according to claim 12, wherein the socket body includes a fifth side wall, a sixth side wall, a seventh side wall and an eighth side wall, at least one of the fifth side wall, the sixth side wall, the seventh side wall and the eighth side wall being connected with the elastic contact arm, the fifth side wall, the sixth side wall, the seventh side wall and the eighth side wall being connected in this order and enclosing to form the second passage, the fifth side wall being disposed inside the first side wall, the sixth side wall being disposed inside the second side wall, the seventh side wall being disposed inside the third side wall, and the eighth side wall being disposed inside the fourth side wall.
15. The connector terminal of claim 7, wherein the crimp portion includes a crimp portion body, and a cable clamp and an insulation clamp disposed on the crimp portion body, the cable clamp being closer to the contact than the insulation clamp.
16. A connector comprising a sheath, a mating terminal and the connector terminal of any one of claims 1 to 15, the sheath being fitted over the outer side of the connector terminal, the mating terminal being plug-fitted in the connector terminal.
CN202211311507.XA 2022-10-25 2022-10-25 Connector terminal and connector Pending CN117977262A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211311507.XA CN117977262A (en) 2022-10-25 2022-10-25 Connector terminal and connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211311507.XA CN117977262A (en) 2022-10-25 2022-10-25 Connector terminal and connector

Publications (1)

Publication Number Publication Date
CN117977262A true CN117977262A (en) 2024-05-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211311507.XA Pending CN117977262A (en) 2022-10-25 2022-10-25 Connector terminal and connector

Country Status (1)

Country Link
CN (1) CN117977262A (en)

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