Connector

Abstract

The invention discloses a connector. The connector includes: a housing formed with a terminal mounting chamber and a pin hole; the terminal is inserted into the terminal mounting chamber and is provided with an end part and a tail part which are opposite in the longitudinal direction of the shell; one end of the connecting piece is connected to the tail part of the terminal; and the positioning pin is inserted into the pin hole, penetrates through a through hole in the connecting piece and / or the terminal in the transverse direction of the shell and is used for preventing the terminal from being pulled out of the shell, and the diameter of the through hole is larger than that of the positioning pin so that the tail of the terminal can swing leftwards and rightwards in the transverse direction relative to the positioning pin. In the invention, the tail part of the terminal can swing left and right in the transverse direction of the shell, so that the floating performance of the tail part of the terminal is improved. Besides, the main terminal and the auxiliary terminal are conductive together, so that the current-carrying capacity of the whole terminal can be improved under the condition that the thickness of the main terminal is not increased, and the insertion force of the terminal is reduced.

Description

Technical Field

[0001] The invention relates to a connector, in particular to a power connector. Background Art

[0002] In the prior art, the tail of the power terminal in the power connector is electrically connected to the metal bar, and the tail of the power terminal has basically no floating performance, and needs to rely on the metal bar connected to the tail of the power terminal to provide floating performance.

[0003] In addition, in the prior art, in order to improve the current carrying capacity of the power terminal, the thickness of the power terminal needs to be increased. However, increasing the thickness of the power terminal will lead to the problem of excessive insertion force of the mating terminal, affecting the mating operation between the power terminal and the mating terminal. Summary of the invention

[0004] The purpose of the present invention is to solve at least one aspect of the above-mentioned problems and defects in the prior art.

[0005] According to one aspect of the present invention, a connector is provided. The connector comprises: a housing, formed with a terminal installation chamber and a pin hole; a terminal, inserted into the terminal installation chamber, having opposite ends and a tail in the longitudinal direction of the housing; a connector, one end of which is connected to the tail of the terminal; and a positioning pin, inserted into the pin hole and passing through a through hole on the connector and / or the terminal in the transverse direction of the housing, for preventing the terminal from being pulled out of the housing, wherein the diameter of the through hole is larger than that of the positioning pin, so as to allow the tail of the terminal to swing left or right in the transverse direction relative to the positioning pin.

[0006] According to an exemplary embodiment of the present invention, the positioning pin is close to the tail of the terminal and passes through the through hole on the connecting member.

[0007] According to another exemplary embodiment of the present invention, the terminal includes a main terminal and an auxiliary terminal stacked on the outer side of the main terminal; the main terminal includes a pair of main elastic arms, the main elastic arm includes an end, a tail and a main body located between the end and the tail; the auxiliary terminal includes a pair of auxiliary elastic arms, the pair of auxiliary elastic arms are respectively stacked on the outer sides of the main body of the pair of main elastic arms, the tails of the pair of main elastic arms of the main terminal are flat and stacked together, and one end of the connecting piece is connected to the tails of the pair of main elastic arms.

[0008] According to another exemplary embodiment of the present invention, the auxiliary terminal is thinner than the main terminal, and the main terminal and the auxiliary terminal are made of the same or different conductive materials for carrying current together to improve the current carrying capacity of the entire terminal.

[0009] According to another exemplary embodiment of the present invention, a wall recess is formed in the housing, and an end of the main elastic arm is positioned in the wall recess to limit a floating amount of the end of the terminal.

[0010] According to another exemplary embodiment of the present invention, the auxiliary elastic arm includes a first end, a second end and a main body located between the first end and the second end, the first end of the auxiliary elastic arm is close to the end of the main elastic arm and is bent back into a hook shape relative to the main body of the auxiliary elastic arm; a slot allowing the mating terminal to be inserted is formed on the shell, and the pair of main elastic arms are used to clamp the inserted mating terminal to make electrical contact with the mating terminal; when the mating terminal is inserted, the hook-shaped first end of the auxiliary elastic arm abuts against the inner wall surface of the terminal installation chamber to increase the electrical contact force between the terminal and the mating terminal.

[0011] According to another exemplary embodiment of the present invention, the second end of the auxiliary elastic arm is flat and close to the tail of the main elastic arm, and the second end of the auxiliary elastic arm is connected to the outer side of the main elastic arm.

[0012] According to another exemplary embodiment of the present invention, two terminal installation chambers are formed in the shell, and the two terminal installation chambers are arranged side by side in the transverse direction of the shell; the connector includes two terminals and two connecting members, the two terminals are respectively inserted into the two terminal installation chambers, and the two connecting members are respectively connected to the two terminals.

[0013] According to another exemplary embodiment of the present invention, the connecting member is a flat transfer terminal, and the transfer terminal is used to electrically connect the terminal to the metal bus.

[0014] According to another exemplary embodiment of the present invention, the connector further includes: a metal bar, one end of which is connected to the connecting piece to be electrically connected to the terminal via the connecting piece, the metal bar being a single-layer solid metal bar with a predetermined thickness, and the metal bar being bent into a predetermined shape so that the metal bar can float elastically.

[0015] According to another exemplary embodiment of the present invention, the connecting member includes a plurality of metal strips which are separated from each other and stacked together.

[0016] According to another exemplary embodiment of the present invention, the multi-layered metal strips of the connecting member are bent into a predetermined shape so that the connecting member can float elastically.

[0017] According to another exemplary embodiment of the present invention, the multi-layer metal strips of the connecting member are bent into an N-shape or an M-shape so that the connecting member can float elastically.

[0018] According to another exemplary embodiment of the present invention, each layer of metal strip of the connecting member has at least one arc-shaped bending portion, and there is a gap between the arc-shaped bending portions of two adjacent layers of metal strips to improve the elastic floating performance of the connecting member.

[0019] According to another exemplary embodiment of the present invention, each layer of metal strip of the connecting member has at least one straight extension portion, and the straight extension portions of two adjacent layers of metal strips are close to each other.

[0020] According to another exemplary embodiment of the present invention, each layer of metal strip of the connecting piece has at least one straight extension portion, and a protrusion is formed on the straight extension portion, and the protrusion is used to separate the straight extension portions of two adjacent layers of metal strips from each other by a predetermined gap to improve the elastic floating performance of the connecting piece.

[0021] According to another exemplary embodiment of the present invention, at least one separation seam is formed on the arc-shaped bending portion of each layer of the metal strip of the connector, and the separation seam extends along the bending direction of the arc-shaped bending portion to improve the elastic floating performance of the connector.

[0022] According to another exemplary embodiment of the present invention, a plurality of separation slits are formed on the arc-shaped bending portion of each layer of the metal strip of the connecting member, and the plurality of separation slits are distributed at intervals in the width direction of the metal strip.

[0023] According to another exemplary embodiment of the present invention, the connector is a power connector, and the terminal is a power terminal for supplying power.

[0024] In the aforementioned various exemplary embodiments according to the present invention, the tail of the terminal can swing left and right in the lateral direction of the housing, thereby improving the floating performance of the tail of the terminal.

[0025] Furthermore, in some of the aforementioned exemplary embodiments of the present invention, the main terminal and the auxiliary terminal conduct electricity together, thereby improving the current carrying capacity of the entire terminal without increasing the thickness of the main terminal and reducing the insertion force of the terminal.

[0026] Furthermore, in some of the aforementioned exemplary embodiments according to the present invention, when the terminal is mated with the mating terminal, the hook-shaped end of the auxiliary terminal abuts against the inner wall surface of the housing, thereby increasing the electrical contact force between the terminal and the mating terminal.

[0027] In addition, in some of the aforementioned exemplary embodiments according to the present invention, the connecting member includes multiple layers of metal strips stacked together, so that the connecting member has greater elasticity, further improving the floating performance of the connector.

[0028] Other objects and advantages of the present invention will become apparent from the following description of the present invention with reference to the accompanying drawings, which will help to provide a comprehensive understanding of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 A three-dimensional schematic diagram showing a connector according to an exemplary embodiment of the present invention;

[0030] Figure 2 A cross-sectional view showing a connector according to an exemplary embodiment of the present invention;

[0031] Figure 3 A perspective schematic diagram showing a connector according to an exemplary embodiment of the present invention, wherein the housing is removed;

[0032] Figure 4 A three-dimensional schematic diagram showing a terminal of a connector according to an exemplary embodiment of the present invention;

[0033] Figure 5 A three-dimensional schematic diagram showing a connecting member of a connector according to an exemplary embodiment of the present invention;

[0034] Figure 6 A perspective schematic diagram showing a layer of metal strip of a connector of a connector according to an exemplary embodiment of the present invention;

[0035] Figure 7 A perspective schematic diagram showing a layer of metal strip of a connector of another exemplary embodiment of the present invention;

[0036] Figure 8 A cross-sectional view showing a connector according to another exemplary embodiment of the present invention;

[0037] Fig. 9 A three-dimensional schematic diagram showing a terminal of a connector according to another exemplary embodiment of the present invention. DETAILED DESCRIPTION

[0038] The technical solution of the present invention is further specifically described below by examples and in conjunction with the accompanying drawings. In the specification, the same or similar reference numerals indicate the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the overall inventive concept of the present invention and should not be construed as a limitation of the present invention.

[0039] In addition, in the detailed description below, for ease of explanation, many specific details are set forth to provide a comprehensive understanding of the disclosed embodiments. However, it is apparent that one or more embodiments may be implemented without these specific details. In other cases, known structures and devices are embodied in a schematic manner to simplify the accompanying drawings.

[0040] According to an overall technical concept of the present invention, a connector is provided. The connector comprises: a housing, formed with a terminal installation chamber and a pin hole; a terminal, inserted into the terminal installation chamber, having opposite ends and a tail in the longitudinal direction of the housing; a connector, one end of which is connected to the tail of the terminal; and a positioning pin, inserted into the pin hole and passing through a through hole on the connector and / or the terminal in the transverse direction of the housing, for preventing the terminal from being pulled out of the housing, the diameter of the through hole being larger than the positioning pin, so as to allow the tail of the terminal to swing left and right in the transverse direction relative to the positioning pin.

[0041] Figure 1 A three-dimensional schematic diagram showing a connector according to an exemplary embodiment of the present invention; Figure 2 A cross-sectional view showing a connector according to an exemplary embodiment of the present invention; Figure 3 A perspective schematic diagram showing a connector according to an exemplary embodiment of the present invention, wherein the housing 1 is removed; Figure 4 A three-dimensional schematic diagram showing a terminal 2 of a connector according to an exemplary embodiment of the present invention; Figure 5 A schematic three-dimensional diagram showing a connecting member 3 of a connector according to an exemplary embodiment of the present invention.

[0042] like Figures 1 to 5 As shown, in an exemplary embodiment of the present invention, a connector is disclosed. The connector includes: a housing 1, a terminal 2, a connector 3 and a positioning pin 4. The housing 1 is formed with a terminal mounting chamber 12 and a pin hole 14. The terminal 2 is inserted into the terminal mounting chamber 12, and the terminal 2 has an end 20a and a tail 20b opposite to each other in the longitudinal direction Y of the housing 1. One end of the connector 3 is connected to the tail 20b of the terminal 2. For example, one end of the connector 3 is welded, riveted or crimped to the tail 20b of the terminal 2. The positioning pin 4 is inserted into the pin hole 14 and passes through the through hole 34 on the connector 3 and / or the terminal 2 along the transverse direction X of the housing 1 to prevent the terminal 2 from being pulled out of the housing 1.

[0043] like Figures 1 to 5 As shown, in the illustrated embodiment, the positioning pin 4 is close to the tail 20b of the terminal 2 and passes through the through hole 34 on the connector 3. The diameter of the through hole 34 is larger than the diameter of the positioning pin 4 to allow the tail 20b of the terminal 2 to swing left and right relative to the positioning pin 4 in the horizontal direction X. However, please note that the present invention is not limited to the illustrated embodiment, for example, the through hole 34 may penetrate the connector 3 and the terminal 2 at the same time, or the through hole 34 may only penetrate the terminal 2.

[0044] like Figures 1 to 5As shown, in the illustrated embodiment, the terminal 2 includes a main terminal 2' and an auxiliary terminal 2'' stacked on the outside of the main terminal 2'. The main terminal 20 includes a pair of main elastic arms 20, and the main elastic arm 20 includes an end 20a, a tail 20b and a main body located between the end 20a and the tail 20b. The auxiliary terminal 2'' includes a pair of auxiliary elastic arms 21, and the pair of auxiliary elastic arms 21 are respectively stacked on the outside of the main body of the pair of main elastic arms 20.

[0045] like Figures 1 to 5 As shown, in the illustrated embodiment, the tail portions 20 b of the pair of main elastic arms 20 of the main terminal 2 ′ are flat and stacked together, and one end of the connecting member 3 is connected to the tail portions 20 b of the pair of main elastic arms 20 .

[0046] like Figures 1 to 5 As shown, in the illustrated embodiment, the thickness of the auxiliary terminal 2" is smaller than that of the main terminal 2', and the main terminal 2' and the auxiliary terminal 2" are made of the same or different conductive materials and are used to carry current together to improve the current carrying capacity of the entire terminal 2. For example, in an exemplary embodiment of the present invention, the thickness of the main terminal 2' can be 1 mm, and the thickness of the auxiliary terminal 2" can be 0.5 mm, so the total thickness of the terminal is 1.5 mm.

[0047] like Figures 1 to 5 As shown, in the illustrated embodiment, a wall recess 11 is formed in the housing 1 , and the end 20 a of the main elastic arm 20 is positioned in the wall recess 11 to limit the floating amount of the end 20 a of the terminal 2 .

[0048] like Figures 1 to 5 As shown, in the illustrated embodiment, the auxiliary elastic arm 21 includes a first end 21a, a second end 21b and a main body portion located between the first end 21a and the second end 21b, and the first end 21a of the auxiliary elastic arm 21 is close to the end 20a of the main elastic arm 20 and is bent back into a hook shape relative to the main body portion of the auxiliary elastic arm 21. A slot 101 is formed on the housing 1 to allow a mating terminal (not shown) to be inserted, and a pair of main elastic arms 20 are used to clamp the inserted mating terminal to make electrical contact with the mating terminal. When the mating terminal is inserted, the hook-shaped first end 21a of the auxiliary elastic arm 21 abuts against the inner wall surface of the terminal installation chamber 12 to increase the electrical contact force between the terminal 2 and the mating terminal. In this way, the contact resistance of the terminal 2 can be reduced, and the current carrying capacity of the terminal 2 can be further improved.

[0049] like Figures 1 to 5 As shown, in the illustrated embodiment, the second end 21b of the auxiliary elastic arm 21 is flat and close to the tail 20b of the main elastic arm 20, and the second end 21b of the auxiliary elastic arm 21 is connected to the outer side of the main elastic arm 20. For example, the second end 21b of the auxiliary elastic arm 21 can be welded, riveted or pressed to the outer side of the main elastic arm 20.

[0050] like Figures 1 to 5 As shown, in the illustrated embodiment, two terminal installation chambers 12 are formed in the housing 1, and the two terminal installation chambers 12 are arranged side by side in the lateral direction X of the housing 1. The connector includes two terminals 2 and two connecting members 3, the two terminals 2 are respectively inserted into the two terminal installation chambers 12, and the two connecting members 3 are respectively connected to the two terminals 2.

[0051] Figure 6 A schematic perspective view showing a layer of metal strip 30 of a connector 3 according to an exemplary embodiment of the present invention.

[0052] like Figures 1 to 6 As shown, in the illustrated embodiment, the connecting member 3 includes a plurality of metal strips 30, and the plurality of metal strips 30 are separated from each other and stacked together.

[0053] like Figures 1 to 6 As shown, in the illustrated embodiment, the multi-layer metal strips 30 of the connecting member 3 are bent into a predetermined shape so that the connecting member 3 can float elastically.

[0054] like Figures 1 to 6 As shown, in the illustrated embodiment, the multi-layer metal strips 30 of the connecting member 3 are bent into an N-shape or an M-shape so that the connecting member 3 can float elastically.

[0055] like Figures 1 to 6 As shown, in the illustrated embodiment, each layer of metal strip 30 of the connecting member 3 has at least one arc-shaped bending portion 30 a , and there is a gap between the arc-shaped bending portions 30 a of two adjacent layers of metal strip 30 to improve the elastic floating performance of the connecting member 3 .

[0056] like Figures 1 to 6 As shown, in the illustrated embodiment, each layer of metal strip 30 of the connecting member 3 has at least one straight extension portion 30b, and the straight extension portions 30b of two adjacent layers of metal strip 30 are close to each other.

[0057] Figure 7 A schematic perspective view showing a layer of metal strip 30 of a connector 3 according to another exemplary embodiment of the present invention.

[0058] like Figures 1 to 7 As shown, in the illustrated embodiment, each layer of metal strip 30 of the connecting member 3 has at least one straight extension portion 30b, and a protrusion 30c is formed on the straight extension portion 30b, and the protrusion 30c is used to separate the straight extension portions 30b of two adjacent layers of metal strips 30 from each other by a predetermined gap, so as to improve the elastic floating performance of the connecting member 3.

[0059] like Figures 1 to 7As shown, in the illustrated embodiment, at least one separation seam 30d is formed on the arc-shaped bending portion 30a of each layer of metal strip 30 of the connecting member 3, and the separation seam 30d extends along the bending direction of the arc-shaped bending portion 30a to improve the elastic floating performance of the connecting member 3.

[0060] like Figures 1 to 7 As shown, in the illustrated embodiment, a plurality of separation slits 30 d are formed on the arc-shaped bending portion 30 a of each layer of the metal strip 30 of the connecting member 3 , and the plurality of separation slits 30 d are distributed at intervals in the width direction of the metal strip 30 .

[0061] like Figures 1 to 7 As shown, in the illustrated embodiment, the connector is a power connector, and the terminal 2 is a power terminal for supplying power.

[0062] like Figures 1 to 7 As shown, in the illustrated embodiment, the housing 1 has a flange portion for connecting to the mounting panel 5. The flange portion can be connected to the mounting panel 5 by screws.

[0063] Figure 8 A cross-sectional view showing a connector according to another exemplary embodiment of the present invention; Fig. 9 A three-dimensional schematic diagram showing a terminal 2 of a connector according to another exemplary embodiment of the present invention.

[0064] and Figure 1-7 Compared to the connector shown, Figure 8-9 The main difference between the connectors shown is the different electrical connection structure connected to the terminal 2.

[0065] like Figure 8 and Fig. 9 As shown, in the illustrated embodiment, the connecting member 3 is a flat transfer terminal, which is used to electrically connect the terminal 2 to the metal bus 6 .

[0066] like Figure 8 and Fig. 9 As shown, in the illustrated embodiment, the connector further comprises a metal bar 6, one end of which is connected to the connector 3 to be electrically connected to the terminal 2 via the connector 3. In the illustrated embodiment, the metal bar 6 is a single-layer solid metal bar with a predetermined thickness, and the metal bar is bent into a predetermined shape so that the metal bar can float elastically.

[0067] In addition to the above differences, Figure 8-9 Other technical features of the connector shown are similar to Figure 1-7 The connectors shown are basically the same and can be referred to Figure 1-7 The connectors shown are not described here in detail for the sake of brevity.

[0068] Those skilled in the art will appreciate that the embodiments described above are exemplary and may be improved upon by those skilled in the art. The structures described in the various embodiments may be freely combined without causing any conflicts in structure or principle, and these changes should fall within the scope of protection of the present invention.

[0069] Although the present invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the accompanying drawings are intended to exemplify the preferred implementations of the present invention and should not be construed as limiting the present invention.

[0070] Although some embodiments of the general inventive concept have been shown and described, it will be appreciated by those skilled in the art that changes may be made to these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the claims and their equivalents.

[0071] It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. In addition, any element reference signs in the claims shall not be construed as limiting the scope of the present invention.

Claims

1. A connector, It is characterized in that include: A housing (1) is formed with a terminal mounting chamber (12) and a pin hole (14); A terminal (2) inserted into the terminal installation chamber (12), having an end portion (20a) and a tail portion (20b) opposite to each other in the longitudinal direction (Y) of the housing (1); a connecting member (3) having one end connected to the tail portion (20b) of the terminal (2); and A positioning pin (4) is inserted into the pin hole (14) and passes through the through hole (34) on the connecting member (3) and / or the terminal (2) along the transverse direction (X) of the housing (1), so as to prevent the terminal (2) from being pulled out of the housing (1). The diameter of the through hole (34) is larger than that of the positioning pin (4) so ​​as to allow the tail portion (20b) of the terminal (2) to swing left or right in the transverse direction (X) relative to the positioning pin (4).

2. The connector according to claim 1, Features: The positioning pin (4) is close to the tail portion (20b) of the terminal (2) and passes through the through hole (34) on the connecting member (3).

3. The connector according to claim 1, Features: The terminal (2) comprises a main terminal (2') and an auxiliary terminal (2") stacked on the outer side of the main terminal (2'); The main terminal (20) comprises a pair of main elastic arms (20), wherein the main elastic arm (20) comprises an end portion (20a), a tail portion (20b) and a main body portion located between the end portion (20a) and the tail portion (20b); The auxiliary terminal (2") comprises a pair of auxiliary elastic arms (21), wherein the pair of auxiliary elastic arms (21) are respectively stacked on the outer sides of the main body of the pair of main elastic arms (20). The tails (20b) of a pair of main elastic arms (20) of the main terminal (2') are flat and stacked together, and one end of the connecting piece (3) is connected to the tails (20b) of the pair of main elastic arms (20).

4. The connector according to claim 3, Features: The auxiliary terminal (2") is thinner than the main terminal (2'), and the main terminal (2') and the auxiliary terminal (2") are made of the same or different conductive materials and are used to carry current together to improve the current carrying capacity of the entire terminal (2).

5. The connector according to claim 3, Features: A wall recess (11) is formed in the housing (1), and an end (20a) of the main elastic arm (20) is positioned in the wall recess (11) to limit the floating amount of the end (20a) of the terminal (2).

6. The connector according to claim 3, Features: The auxiliary elastic arm (21) comprises a first end (21a), a second end (21b) and a main body located between the first end (21a) and the second end (21b); the first end (21a) of the auxiliary elastic arm (21) is close to the end (20a) of the main elastic arm (20) and is bent back to form a hook shape relative to the main body of the auxiliary elastic arm (21); A slot (101) for allowing a mating terminal to be inserted is formed on the housing (1), and the pair of main elastic arms (20) are used to clamp the inserted mating terminal so as to make electrical contact with the mating terminal; When the mating terminal is inserted, the hook-shaped first end (21a) of the auxiliary elastic arm (21) abuts against the inner wall surface of the terminal installation chamber (12) to increase the electrical contact force between the terminal (2) and the mating terminal.

7. The connector according to claim 6, Features: The second end (21b) of the auxiliary elastic arm (21) is flat and close to the tail (20b) of the main elastic arm (20), and the second end (21b) of the auxiliary elastic arm (21) is connected to the outer side of the main elastic arm (20).

8. The connector according to claim 1, Features: Two terminal installation chambers (12) are formed in the housing (1), and the two terminal installation chambers (12) are arranged side by side in a transverse direction (X) of the housing (1); The connector comprises two terminals (2) and two connecting pieces (3), the two terminals (2) are respectively inserted into the two terminal installation chambers (12), and the two connecting pieces (3) are respectively connected to the two terminals (2).

9. The connector according to any one of claims 1 to 8, Features: The connecting piece (3) is a flat transfer terminal, and the transfer terminal is used to electrically connect the terminal (2) to the metal bus (6).

10. The connector according to claim 9, It is characterized in that Also includes: a metal bar (6), one end of which is connected to the connecting member (3) so as to be electrically connected to the terminal (2) via the connecting member (3), The metal bar is a single-layer solid metal bar with a predetermined thickness, and the metal bar is bent into a predetermined shape so that the metal bar can float elastically.

11. The connector according to any one of claims 1 to 8, Features: The connecting member (3) comprises a plurality of metal strips (30) which are separated from each other and stacked together.

12. The connector according to claim 11, Features: The multi-layer metal strip (30) of the connecting member (3) is bent into a predetermined shape so that the connecting member (3) can float elastically.

13. The connector according to claim 12, Features: The multi-layer metal strip (30) of the connecting member (3) is bent into an N shape or an M shape so that the connecting member (3) can float elastically.

14. The connector according to claim 12, Features: Each layer of metal strip (30) of the connecting piece (3) has at least one arc-shaped bending portion (30a), and there is a gap between the arc-shaped bending portions (30a) of two adjacent layers of metal strip (30) to improve the elastic floating performance of the connecting piece (3).

15. The connector according to claim 14, Features: Each layer of metal strip (30) of the connecting member (3) has at least one straight extension portion (30b), and the straight extension portions (30b) of two adjacent layers of metal strip (30) are close to each other.

16. The connector according to claim 14, Features: Each layer of metal strip (30) of the connecting member (3) has at least one straight extension portion (30b), and a protrusion (30c) is formed on the straight extension portion (30b), and the protrusion (30c) is used to space the straight extension portions (30b) of two adjacent layers of metal strips (30) apart from each other by a predetermined gap, so as to improve the elastic floating performance of the connecting member (3).

17. The connector according to claim 14, Features: At least one separation seam (30d) is formed on the arc-shaped bending portion (30a) of each layer of the metal strip (30) of the connecting piece (3), and the separation seam (30d) extends along the bending direction of the arc-shaped bending portion (30a) to improve the elastic floating performance of the connecting piece (3).

18. The connector according to claim 17, Features: A plurality of separation slits (30d) are formed on the arc-shaped bending portion (30a) of each layer of the metal strip (30) of the connecting member (3), and the plurality of separation slits (30d) are distributed at intervals in the width direction of the metal strip (30).

19. The connector according to claim 1, Features: The connector is a power connector, and the terminal (2) is a power terminal for supplying power.

Images