CN107546516B - Connector terminal and terminal connection structure - Google Patents
Connector terminal and terminal connection structure Download PDFInfo
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- CN107546516B CN107546516B CN201610466793.5A CN201610466793A CN107546516B CN 107546516 B CN107546516 B CN 107546516B CN 201610466793 A CN201610466793 A CN 201610466793A CN 107546516 B CN107546516 B CN 107546516B
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Abstract
A connector terminal, the terminal comprising: and a pin part provided at one end for crimping an electric wire, the pin part being adapted to come into contact with a counterpart terminal to achieve an electrical connection, wherein an end part of the pin part is chamfered, a chamfer angle of a first chamfer part of the end part on an upper side in a vertical direction is a first chamfer angle, a chamfer angle of a second chamfer part of the end part on a lower side in the vertical direction is a second chamfer angle, and wherein the first chamfer angle and the second chamfer angle are different from each other. With the connector terminal, it is possible to effectively reduce the insertion force when inserting the mating terminal, reduce the terminal surface wear caused by mutual friction or positioning at the time of the insertion operation, and increase the insertion time difference with the signal terminal.
Description
Technical Field
The invention relates to a connector terminal, in particular to a male terminal, which can effectively reduce the insertion force when inserting into a mating terminal and reduce the surface abrasion of the terminal caused by mutual friction or positioning when inserting; further, the present invention relates to a terminal connection structure using the connector terminal.
Background
Conventionally, it is necessary to achieve electrical conduction between each other by means of a plug-in operation of male and female end connectors. Specifically, generally, a male terminal (plug terminal) including a pin portion is provided in the male connector, and a female terminal (socket terminal) including a cylindrical connecting portion is provided in the female connector, and the pin portion of the male terminal can be inserted into the cylindrical connecting portion of the female terminal, so that the male terminal and the female terminal are connected to each other to achieve electrical conduction.
The female terminal generally includes a protrusion having a flat surface provided at an upper inner wall of the connection part, and a spring part provided at a lower inner wall of the connection part, an insertion space into which the pin part of the male terminal is inserted being formed between the protrusion and the spring part.
As shown in fig. 1, the male terminal 500 has a wire crimping portion 510 for crimping an electric wire at one end thereof and the pin portion 520 protrudingly extending at the other end thereof. In order to facilitate the male terminal to be inserted into the female terminal, the insertion end part A of the pin part of the male terminal is provided with a chamfer structure.
As shown in fig. 2, in the conventional male terminal 500, the chamfer angles of the upper and lower sides of the tip portion are equal to each other, that is, the terminal chamfer has an inclination dimension of a-c and b-d, and both surfaces of the terminal chamfer have the same inclination shape.
However, with the above design of such a male terminal, there are the following problems.
First, since the upper and lower side chamfers of the tip portions of the pin portions of the male terminal are identical, during the insertion of the male terminal into the female terminal, if the front ends of the pins of the male terminal contact the projecting portion and the spring portion of the cylindrical connecting portion of the female terminal at a large angle, a large insertion force is certainly required, so that a large frictional force due to the large insertion may be caused, thereby causing damage to the plating layer on the mating surfaces of the terminals and surface abrasion. Further, if the tip of the pin of the male terminal contacts the projecting portion and the spring portion of the cylindrical connection portion of the female terminal at a small angle, the time required to complete the safety contact (stable contact) becomes long, and the time required to leave the signal terminal relatively short.
In addition, in general, in the design of the connector, a main circuit and a signal circuit are required, the main circuit is responsible for the electrical conduction between the main terminals, i.e. the above-mentioned male and female terminals, so as to realize the power transmission, and the signal circuit is responsible for the electrical conduction between the signal terminals so as to realize the signal transmission. Due to the difference in effect between the main loop and the signal loop, the two loops need to have an insertion time difference, in other words, the signal loop needs to be conducted after the main loop is conducted, so as to achieve the effect of transmitting signals.
However, according to the conventional terminal structure, as described above, since the upper and lower side chamfers of the tip portion of the pin portion of the male terminal are identical, if there is an insertion angle error during the insertion of the male terminal into the insertion chamfer of the female terminal connector, the insertion chamfers of the male terminal and the female terminal connector interfere, which increases the insertion force, and further, during the insertion of the male terminal into the female terminal, the pin of the male terminal simultaneously contacts the protrusion portion and the spring portion of the barrel-shaped connection portion of the female terminal, that is, electrical conduction is immediately achieved without a buffering process, which is disadvantageous to increase the above-described time difference.
Therefore, for the design of the connector, it is a direction of effort to reduce the insertion force of the connector, reduce the damage of the mutual surface coatings when the male and female terminals are inserted, and increase the time difference between the main circuit and the signal circuit as much as possible without increasing the appearance of the connector.
Disclosure of Invention
In order to solve the above problems caused by the conventional connector terminal, the inventors of the present application have made a lot of studies and have made improvements on the structure of the male terminal, so as to effectively reduce the insertion force without increasing the manufacturing cost and changing the size of the connector, the reduction of the insertion force significantly improves the surface abrasion caused by the mutual friction or positioning of the male and female terminals when the male and female terminals are inserted into the receptacle, and at the same time, the contact time difference between the main loop terminal and the signal terminal is increased.
A first aspect of the present invention relates to a connector terminal, including: and a pin part provided at one end for crimping an electric wire, the pin part being adapted to come into contact with a counterpart terminal to achieve an electrical connection, wherein an end part of the pin part is chamfered, a chamfer angle of a first chamfer part of the end part on an upper side in a vertical direction is a first chamfer angle, a chamfer angle of a second chamfer part of the end part on a lower side in the vertical direction is a second chamfer angle, and wherein the first chamfer angle and the second chamfer angle are different from each other.
According to the above-described connector terminal, that is, since the first chamfer angle and the second chamfer angle are different from each other, the insertion time difference of the terminal part on both upper and lower sides at the time of insertion can be obtained, so that the insertion force is gradually increased to the peak value, instead of directly reaching the peak value as in the prior art, and therefore, the insertion force at the time of terminal insertion can be reduced, the abrasion of the terminal surface is suppressed, the insertion workability is improved, and the like, and at the same time, the contact time difference of the main circuit terminal and the signal terminal can be increased due to the presence of the insertion time difference.
A second aspect of the present invention relates to a terminal connection structure including: the terminal according to the first aspect; and a mating terminal having a cylindrical connecting portion, wherein the terminal is inserted and fixed in the connecting portion through an opening at one end of the connecting portion.
According to the terminal connection structure of the second aspect, since the first chamfer angle of the first chamfer portion and the second chamfer angle of the second chamfer portion of the terminal are different from each other, the portion of the terminal where the first chamfer portion and the portion of the terminal where the second chamfer portion are located contact the connection portion of the mating terminal at different points in time during insertion, and the insertion force gradually increases to a peak value, instead of directly reaching the peak value as in the prior art, the insertion force of the terminal into the mating terminal can be reduced, the abrasion of the terminal surface and the insertion workability can be suppressed, and since the connection portion of the mating terminal is contacted at different points in time, there is a time difference in insertion, and the contact time difference between the main loop terminal and the signal terminal can be increased
Preferably, the connecting portion of the counterpart terminal includes a first contact portion provided at an upper inner wall of the connecting portion, and a spring portion having a second contact portion provided at a lower inner wall of the connecting portion, the first contact portion being opposite to the second contact portion with an insertion space formed therebetween, the pin portion being clamped between the first contact portion and the second contact portion in a state in which the pin portion of the terminal is inserted in the connecting portion of the counterpart terminal.
According to the above, since the connecting portion has the first contact portion and the spring portion including the second contact portion, it is possible to secure connection between the terminal and the counterpart terminal by stably sandwiching the terminal.
Preferably, the first contact portion is a protrusion protruding inward from the upper inner wall.
According to the above, since the first contact portion is the protrusion, the clamping force of the terminal between the protrusion and the spring portion can be further increased, and the connection between the terminal and the mating terminal can be secured.
Preferably, a length of a first contact surface of the first contact portion contacting the pin portion is greater than a length of a second contact surface of the second contact portion contacting the pin portion.
Preferably, the second contact surface of the second contact portion is located at a middle position of a vertical range of the first contact surface of the first contact portion in the insertion direction of the terminal, and more preferably, at a central position.
According to the above, the spring contact point as the second contact portion is short and the contact point is in the vertical range of the first contact surface of the first contact portion, preferably at the center position. Therefore, the front section of the first contact part which is contacted firstly can be adjusted to be inserted horizontally before the second contact part is contacted, and the front section of the first contact part can be inserted horizontally more stably. When the terminal is inserted horizontally, the spring is gradually deformed, the contact force is stable, and the insertion force is minimum.
Preferably, a distance between the first contact portion and the second contact portion is smaller than a thickness of the pin portion of the terminal.
According to the above, since the distance between the first contact portion and the second contact portion is smaller than the thickness of the pin portion of the terminal, the clamping force of the terminal between the protrusion portion and the spring portion can be further increased, and the connection between the terminal and the mating terminal can be ensured
Preferably, the first chamfered portion of the upper side of the pin portion of the terminal is located on the same side as the first contact portion of the connecting portion of the counterpart terminal; a second chamfered portion of the lower side of the pin portion of the terminal is located on the same side as a spring portion of the connecting portion of the mating terminal; and the first chamfer angle of the tip portion of the pin portion of the terminal is smaller than the second chamfer angle.
According to the above, since the first chamfered portion having a smaller chamfer angle is located on the same side as the first contact portion, and the chamfer angle is small, the inclination of the inclined surface is small, and the length of the inclined surface is large, so that the insertion interference generated at the first contact portion can be reduced, the insertion force can be reduced, and friction, wear, and the like can be reduced. In addition, the terminal has a large chamfer angle at the spring part, so that the terminal can be in contact with the second contact part in advance to enter a stable contact state, the insertion is promoted, the stability is improved, the time difference between the terminal and the signal terminal is increased, and the safety is improved.
Preferably, during insertion of the terminal into the counterpart terminal, the first chamfered portion contacts the protruding portion at a first time, the second chamfered portion contacts the spring portion at a second time, and the first time is later than the second time.
Drawings
Fig. 1 is a plan view showing a conventional male terminal.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3(a) is a perspective view and fig. 3(b) is a sectional view of a female terminal according to the present invention.
Fig. 4(a) is a perspective view and fig. 4(b) is a sectional view of a male terminal according to the present invention.
Fig. 5 is an enlarged view of the tip portion of the pin portion of the male terminal according to the present invention.
Fig. 6(a) is a cross-sectional view of the male-end connector and the female-end connector at the start of the opposite insertion, and fig. 6(B) is an enlarged view of a portion B.
FIG. 7(a) is a cross-sectional view of the male and female end connectors during mating, wherein the male terminal is brought into contact with the female terminal; fig. 7(b) is an enlarged view of the portion C.
Fig. 8 is a view showing a state of the signal terminal in a state where the male terminal shown in fig. 7 is brought into contact with the female terminal.
Description of the reference numerals
10 female terminal
11 connecting part
12 electric wire crimping part
13 first contact part
14 spring
15 second contact part
20 male terminal
21 pin part
22 electric wire crimping part
23 end head
24 first chamfer part
25 second chamfer
100 female terminal connector
110 insert chamfer
200 male end connector
30 signal terminal
Detailed Description
Hereinafter, the present invention will be more intuitively understood by describing specific embodiments thereof with reference to the drawings.
Fig. 3(a) is a perspective view and fig. 3(b) is a sectional view of a female terminal according to the present invention. As shown in the drawing, one end of the female terminal 10 is a cylindrical connecting portion 11, and the other end is a wire crimping portion 12 for crimping an electric wire. The connecting portion 11 is opened for insertion of a male terminal 20 described later.
As shown in fig. 3(b), the connection portion 11 of the female terminal 10 includes: a first contact part 13 provided at an upper inner wall of the connection part 11, the first contact part 13 may be a protrusion having a flat surface; and a spring portion 14 provided at a lower inner wall of the connecting portion 11, the spring portion 14 may be a plate spring shape formed by folding a bottom wall of the female terminal 10 inward, and has a second contact portion (spring contact point) 15 facing the first contact portion 13 in the vicinity of a free end of the spring portion 14, the second contact portion 15 may be in the form of a protrusion or a smooth form without a protrusion. The first contact portion 13 and the second contact portion 15 are opposite to each other in the vertical direction with an insertion space for inserting the male terminal 20 formed therebetween, and in a state where the spring 14 is not stressed, a distance between the first contact portion 13 and the second contact portion 15 is preferably smaller than a thickness of a pin portion 21 of the male terminal 20 described later, so as to ensure a contact force required for safe conduction between the terminals.
In addition, according to the present embodiment, as shown in fig. 3(b), the length (i.e., the effective contact length) of the first contact surface of the first contact portion 13 that contacts the pin portion 21 is longer than the length (i.e., the effective contact length) of the second contact surface (or the contact point) of the second contact portion 15 that contacts the pin portion 21. As shown in fig. 3(b), the second contact surface of the second contact portion 15 is located at the middle position, preferably at the center position, of the vertical range of the first contact surface of the first contact portion 13.
Specifically, in the present embodiment, as shown in the drawing, since the projection of the first contact portion 13 has a flat surface, the contact length thereof is long, in contrast to the second contact portion 15 which is a spring piece contact point, the contact length thereof is short. The second contact portion 15 is in a vertical range, preferably a central position, of the first contact portion 13.
Fig. 4(a) is a perspective view and fig. 4(b) is a sectional view of a male terminal according to the present invention. As shown in the drawing, one end of the male terminal 20 is a pin part 21 which is extended convexly, and the other end is a wire crimping part 22 which crimps the electric wire. In the present embodiment, the pin portion 21 has a flat shape, but may have other shapes.
The pin portion 21 of the male terminal 20 is used to contact with the connecting portion 11 of the female terminal 10 to achieve electrical connection, and as shown in fig. 4(b), in order to facilitate the insertion operation of the pin portion 21 into the connecting portion 11 of the female terminal 10, the tip portion 23 of the pin portion 21 has a chamfered structure, but unlike the conventional uniform chamfer, in the present embodiment, the chamfered structure is not uniformly provided. Specifically, the chamfer angle of the first chamfer portion 24 on the upper side of the tip portion 23 in the vertical direction (i.e., the up-down direction of fig. 4 (b)) is regarded as a first chamfer angle, and the chamfer angle of the second chamfer portion 25 on the lower side of the tip portion 23 in the vertical direction is regarded as a second chamfer angle, which are different from each other.
It should be noted that, regarding the chamfer angle, it is the angle between the chamfer slope and the axis, which is unified with the national standard. That is, in the case of fig. 5, the first chamfer angle refers to an angle between the inclined surface a and the axis, and the second chamfer angle refers to an angle between the inclined surface c and the axis.
In the present embodiment, as shown in fig. 5, the first chamfer angle is smaller than the second chamfer angle, and therefore, the slope a has a smaller inclination and a longer length than the slope c. Distances b and d refer to distances from the axis in the vertical direction, and due to the above-described chamfer angle setting, distance b is smaller than distance d.
Next, the operation of inserting the male and female terminals will be mainly described.
Fig. 6(a) is a sectional view of male end connector 200 at the start of mating with female end connector 100, and fig. 6(B) is an enlarged view of portion B. As shown in the drawing, in the male terminal 20, the first chamfered portion 24 of the male terminal 20 is located on the first contact portion 13 side, and the second chamfered portion 24 of the male terminal 20 is located on the second contact portion 25 side of the spring 23. In the state shown in the drawing, at the time of insertion of the male terminal 20, the male terminal 20 first needs to be inserted through the insertion chamfer of the female terminal connector 100 accommodating the female terminal 10, and therefore, the smaller the inclination of the insertion face of the pin portion 21 of the male terminal 20 is, the more advantageous is the safe insertion of the male terminal in the start of the connector-to-plug fitting. The smaller the inclination of the insertion surface a, the longer the length of the inclined surface a, and the smaller the insertion force. The insertion force is small, the resulting friction is small, and damage to the terminal surface plating is small. Therefore, with the male terminal of the present invention, the insertion force can be reduced, and friction and wear can be reduced.
Fig. 7(a) is a cross-sectional view of male end connector 200 during mating with female end connector 100, wherein male terminal 20 is coming into contact with female terminal 10; fig. 7(b) is an enlarged view of the portion C.
As described above, since the second contact portion (spring contact point) 15 is located in the middle of the vertical range of the first contact portion (flat protrusion) 13 in the terminal insertion direction, the male terminal 20 is first brought into contact with the first contact portion 13 at the time of insertion of the male terminal 20, but the contact is not a stable contact, and the male and female terminals 20 and 10 are considered to be stably contacted after the spring contact point is also brought into contact with the male terminal 20 as the insertion of the male terminal 20 is continued and thus the spring is deformed and the force is applied. As the pin portion of the male terminal 20 is inserted forward, the longer the remaining portion of the first contact portion is contacted, the more stable the contact is, and the signal terminal is contacted and emits a signal that can be energized just before the connector is inserted to the bottom, so that the earlier the stable contact is entered, the better. According to the structure of the male terminal of the embodiment of the invention, the chamfer angle of the end head part is designed, and compared with the terminal with a common angle in the prior art, the male terminal can be advanced to a stable contact state. Further, since the second contact portion (spring contact point) 15 is located in the middle of the vertical range of the first contact portion (flat protrusion) 13 in the insertion direction of the terminal, the front section of the first contact portion 13 can be adjusted for horizontal insertion of a part of the male terminal 20 before the second contact portion is contacted, in other words, the front section of the first contact portion (flat protrusion) 13 can more stabilize the insertion of the male terminal in a horizontal posture. Only when the terminal is inserted horizontally, the spring is deformed gradually, the contact force is stable, and the insertion force is minimum.
Specifically, as shown in the drawing, during the insertion process, the first chamfered portion 24 of the pin portion 21 of the male terminal 20 first contacts the first contact portion 13 of the female terminal 10, and at this time, the second contact portion 15 is not yet contacted, and thus, an unstable contact state remains. In this state, since the angle of the first chamfered portion 24 of the pin portion 21 of the male terminal 20 of the present embodiment is small, the contact can be made smoother, facilitating the insertion of the terminal. Subsequently, the terminal 20 is further inserted forward, and compared with the uniformly chamfered terminal of the prior art, since the second chamfer portion 25 of the male terminal 20 of the present invention adopts a larger angle than the first chamfer portion 24, the second chamfer portion of the present invention contacts with the second contact portion 15 (i.e., the spring contact point, the spring lowest point) of the spring of the female terminal earlier than the prior art, and since the distance between the second contact portion 15 of the spring and the flat surface of the first contact portion 13 is smaller than the thickness of the pin portion 21 of the male terminal 20, the spring 14 of the female terminal 10 is deformed to generate a contact force, and a state of stable contact is entered to achieve conduction of the male and female terminals.
According to the sectional contact, the angle of the first chamfered portion which first enters into contact is made smaller, so that the insertion is smoother, the insertion force is reduced, and the horizontal insertion posture of a part of the terminals is adjusted by the front section of the first contact portion; the angle of the second chamfered part for subsequent contact can be larger, so that the contact can be more stably entered in advance. Therefore, the insertion force can be reduced as a whole, the abrasion can be reduced, and the contact stability can be improved by adjusting the different chamfer angles of the two chamfer parts as a whole.
Fig. 8 shows a state of the signal terminal in a state where the male terminal and the female terminal shown in fig. 7 are in contact with each other.
Generally, in the design of a connector, there are a main circuit and a signal circuit, the main circuit is implemented by the power supply terminal, i.e. the conduction between the male terminal and the female terminal, and is used for transmitting power; the signal loop is realized by the conduction between signal terminals (a signal male terminal and a signal female terminal) and is used for transmitting signals. For the connector, the power terminal is not electrified before being contacted, and if the power terminal is electrified before being contacted safely, the danger such as spark burning is easy to occur, so that the power terminal needs to be contacted safely and then send the power signal, namely the power terminal needs to be contacted safely and then the signal terminal needs to be contacted to send the power signal, namely, a time difference exists between the safe contact of the power terminal and the contact of the signal terminal. If this time difference is too short, there will be a slight error in the process, which is obviously dangerous as the signal terminals first send the energizing signal and the power terminals are only reliably contacted after being energized, so that a longer time difference is better, which of course can be achieved by making the connector larger, but this is not advantageous for miniaturization. For the common terminal in the prior art, the time difference can be obtained by first plugging the power terminal and then plugging the signal terminal, but according to the present embodiment, by increasing the second angle of the male terminal, the time difference can be increased to enter the safety contact in advance. Therefore, compared with the prior art, the time difference can be increased and the safety can be improved without increasing the size of the connector.
According to the present invention, as shown in fig. 8, when the male terminal 10 contacts the female terminal 20 to generate a contact force, the mating distance from the signal male terminal 30 to the signal female terminal is X, which is the insertion time difference between the main circuit and the signal circuit. And the larger the time difference is, the better the circuit safety is guaranteed.
According to the present invention, since the angle of the second chamfered portion of the male terminal 10 is set to be large, it is possible to achieve bringing the male terminal 10 into the contact state, i.e., the safe contact state, with the female terminal 20 earlier, so that the fitting distance X can be increased, i.e., the above-described time difference can be increased. In addition, as shown in the enlarged view of fig. 7(b), the inclined surface cd of the male terminal is the surface in spring contact with the female terminal 10, and in order to increase the time difference with the signal terminal as much as possible while facilitating the insertion, the length of c is designed to be as small as possible, that is, the second chamfer angle is as large as possible, when the chamfer with the spring contact surface of the female terminal is designed, so that the effect of further increasing the time difference with the signal terminal is achieved.
In summary, according to the male terminal and the connection structure using the male terminal of the present invention, the first chamfer and the second chamfer of the tip of the pin portion of the male terminal are different in chamfer angle, so that the insertion force can be reduced during the insertion of the male terminal, regardless of the insertion chamfer position of the male terminal and the insertion chamfer position of the female terminal, thereby reducing friction and wear, avoiding damage to the terminal surface plating layer, reducing the manufacturing cost, and eliminating the need for increasing the connector size. In addition, since there is a time difference in contact between the first and second chamfered portions of the male terminal and the female terminal, the insertion time difference with the signal terminal is further increased.
The above embodiments are merely examples and are not limiting, and various modifications can be made within the scope claimed.
Claims (9)
1. A connector, comprising:
a male end connector having a male terminal receiving chamber and a male signal terminal receiving chamber;
a female end connector mated with the male end connector, the female end connector having a female terminal receiving chamber and a female signal terminal receiving chamber;
a male terminal accommodated in the male terminal accommodating chamber of the male end connector;
a male signal terminal accommodated in the male signal terminal accommodating chamber of the male connector,
a female terminal accommodated in the female terminal accommodating chamber of the female terminal connector; and
a female signal terminal accommodated in the female signal terminal accommodating chamber of the female connector,
wherein the male terminal is connected with the female terminal at a first time and makes a stable contact for transmitting power, and the male signal terminal is connected with the female signal terminal at a second time for transmitting a signal for energizing by mating the male connector with the female connector,
wherein the first time is earlier than the second time,
wherein an end portion of the pin portion of the male terminal for contacting the female terminal is chamfered, a chamfer angle of a first chamfer portion of the end portion on an upper side in a vertical direction is a first chamfer angle, a chamfer angle of a second chamfer portion of the end portion on a lower side in the vertical direction is a second chamfer angle, and
wherein the first chamfer angle and the second chamfer angle are different from each other so as to increase a time difference between the first time and the second time.
2. The connector of claim 1, wherein the first and second connectors are connected to each other,
wherein the connecting portion of the female terminal includes a first contact portion provided at an upper inner wall of the connecting portion, and a spring portion having a second contact portion provided at a lower inner wall of the connecting portion,
the first contact part is opposite to the second contact part and an insertion space is formed between the first contact part and the second contact part,
the pin portion is sandwiched between the first contact portion and the second contact portion in a state where the pin portion of the male terminal is inserted in the connection portion of the female terminal.
3. The connector of claim 2, wherein the first and second connectors are connected to each other,
wherein the first contact portion is a protrusion protruding inward from the upper inner wall.
4. The connector of claim 2, wherein the first and second connectors are connected to each other,
the length of a first contact surface of the first contact part, which is in contact with the pin inserting part, is greater than that of a second contact surface of the second contact part, which is in contact with the pin inserting part.
5. The connector of claim 4, wherein the first and second connectors are connected to each other,
wherein the second contact surface of the second contact portion is located at a middle position of a vertical range of the first contact surface of the first contact portion in an insertion direction of the terminal.
6. The connector of claim 5, wherein the second contact surface of the second contact portion is located at a central position of a vertical extent of the first contact surface of the first contact portion.
7. The connector of claim 2, wherein the first and second connectors are connected to each other,
wherein, under the state that the spring part of the second contact part is not stressed, the distance between the first contact part and the second contact part is smaller than the thickness of the pin part of the terminal.
8. The connector according to any one of claims 3 to 5,
wherein the first chamfered portion of the upper side of the pin portion of the male terminal is located on the same side as the protruding portion of the connecting portion of the female terminal;
wherein a second chamfered portion of the lower side of the pin portion of the male terminal is located on the same side as the spring portion of the connection portion of the female terminal; and is
Wherein the first chamfer angle of the end head of the pin part of the male terminal is smaller than the second chamfer angle.
9. The connector of claim 8, wherein the first and second connectors are connected to each other,
wherein, in the insertion process of the male terminal into the female terminal, the first chamfer portion is in contact with the protrusion portion at a third time, the second chamfer portion is in contact with the spring portion at a fourth time, and
wherein the third time is earlier than the fourth time.
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| CN201610466793.5A CN107546516B (en) | 2016-06-23 | 2016-06-23 | Connector terminal and terminal connection structure |
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| CN201610466793.5A CN107546516B (en) | 2016-06-23 | 2016-06-23 | Connector terminal and terminal connection structure |
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| CN107546516B true CN107546516B (en) | 2021-01-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002110276A (en) * | 2000-10-02 | 2002-04-12 | Sumitomo Wiring Syst Ltd | Terminal structure |
| CN102255169A (en) * | 2010-04-08 | 2011-11-23 | 住友电装株式会社 | Terminal fitting connecting structure |
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| JP4401580B2 (en) * | 2001-02-15 | 2010-01-20 | 株式会社オートネットワーク技術研究所 | Connector terminal structure |
| JP4678341B2 (en) * | 2006-06-21 | 2011-04-27 | 住友電装株式会社 | Female terminal bracket |
| JP4858293B2 (en) * | 2007-05-08 | 2012-01-18 | 住友電装株式会社 | Female terminal bracket |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002110276A (en) * | 2000-10-02 | 2002-04-12 | Sumitomo Wiring Syst Ltd | Terminal structure |
| CN102255169A (en) * | 2010-04-08 | 2011-11-23 | 住友电装株式会社 | Terminal fitting connecting structure |
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