CN211530232U - Electrical connector and electrical connector assembly - Google Patents

Abstract

An electrical connector and an electrical connector assembly are disclosed. The electrical connector comprises: a conductive shell, a first accommodating part is formed in the conductive shell, and the first accommodating part has an open end; at least one can a movable terminal, the first end of the movable terminal is inserted into the first accommodating part through the open end; a first elastic piece, the first elastic piece is located in the first accommodating part, each of which is a second end of the movable terminal opposite to the first end movably protrudes from the first accommodating portion against the elasticity of the first elastic member; and a second elastic member, the second elastic member The component includes: a cylindrical body portion attached to the conductive housing, and at least one spring piece, each of the spring pieces extending bent inwardly from a first end of the cylindrical body portion , so as to be in contact with the outer peripheral surface of the movable terminal. The electrical connector can improve the reliability of the electrical contact between the movable terminal and the conductive housing.

Description

Electrical Connectors and Electrical Connector Assemblies

technical field

Embodiments of the present disclosure relate to an electrical connector, and more particularly, to an electrical connector capable of keeping a movable terminal in good contact with a conductive housing, and an electrical connector assembly including the above electrical connector.

Background technique

Some existing electrical connectors usually adopt the structure of movable terminal, the movable terminal is placed in the accommodating part of the cylindrical conductive shell, one end of the movable terminal is located in the accommodating part, and can be removed from the accommodating part against the elasticity of the spring. movably protrudes so as to be electrically connected with the connection terminal. The movable terminal is usually kept in contact with the conductive housing by a spring at one end of it, however, this contact is not stable enough, especially when vibration or external force is applied to the movable terminal, it will cause contact between the movable terminal and the conductive housing bad, and thus produce high-frequency resonance and current transients.

Utility model content

The purpose of the present disclosure is to solve at least one aspect of the above-mentioned problems and deficiencies in the prior art.

According to an embodiment of an aspect of the present disclosure, there is provided an electrical connector, the electrical connector comprising:

a conductive shell, a first accommodating part is formed in the conductive shell, and the first accommodating part has an open end;

at least one movable terminal, the first end of which is inserted into the first receiving portion through the open end;

A first elastic member, the first elastic member is located in the first accommodating portion, and the second end of each movable terminal opposite to the first end opposes the elastic force of the first elastic member from the first receiving portion movably extends; and

A second elastic member, the second elastic member includes:

a cylindrical body portion attached to the conductive housing, and

At least one elastic piece, each of which is bent and extended inwardly from the first end of the cylindrical main body portion to contact the outer peripheral surface of the movable terminal.

According to an exemplary embodiment of the present disclosure, the first end of the movable terminal is formed with a second accommodating portion, and the first elastic member is located in a space defined by the first accommodating portion and the second accommodating portion. within the space.

According to an exemplary embodiment of the present disclosure, the cylindrical main body is sleeved outside the open end of the conductive housing, and each of the elastic pieces extends to the first through the open end of the conductive housing inside the accommodation.

According to an exemplary embodiment of the present disclosure, at least one inwardly protruding elastic arm is formed on the inner side wall of the cylindrical main body, and an outer side wall of the conductive housing is formed with an elastic arm adapted to be compatible with the elastic arm. Combined grooves.

According to an exemplary embodiment of the present disclosure, a stopper portion protruding radially outward is provided on the outer side wall of the conductive housing, so that when the elastic arm is combined with the groove, the barrel A second end of the shaped body portion, opposite to the first end, abuts on the stop portion.

According to an exemplary embodiment of the present disclosure, the second end of the cylindrical main body is provided with a first flange protruding outward, so that when the elastic arm is combined with the groove, the first flange is A flange abuts against the stop.

According to an exemplary embodiment of the present disclosure, the cylindrical main body is formed by enclosing a plate-shaped material, a first end of the plate-shaped material is provided with a joint portion, and the first end of the plate-shaped material is formed with the first end of the plate-shaped material. The second end opposite to the end is provided with a coupling groove suitable for coupling with the coupling portion.

According to an exemplary embodiment of the present disclosure, the cylindrical body portion is sleeved on the inner side of the open end of the conductive housing.

According to an exemplary embodiment of the present disclosure, the inner side wall of the conductive housing is formed with steps, so that when the second elastic member is assembled in place, the cylindrical body portion is opposite to the first end The second end of the abuts against the step.

According to an exemplary embodiment of the present disclosure, the open end of the first accommodating portion is provided with a second flange protruding radially inward to prevent the second elastic member from sliding out of the first accommodating portion .

According to an exemplary embodiment of the present disclosure, a portion between two adjacent elastic pieces of the first end of the cylindrical main body portion is formed with a protrusion, so that when the second elastic member is assembled, the After being positioned, the protrusion abuts on the second flange.

According to an exemplary embodiment of the present disclosure, the cylindrical body portion is provided with an open groove, and the open groove axially penetrates a first end of the cylindrical body portion and a first end opposite to the first end. two ends.

According to an exemplary embodiment of the present disclosure, a stopper portion protruding radially inward is further formed on the inner side wall of the conductive housing to prevent the movable terminal from sliding out of the first accommodating portion.

According to an exemplary embodiment of the present disclosure, a plurality of the elastic pieces are distributed at equal intervals along the circumferential direction of the cylindrical body portion.

According to an exemplary embodiment of the present disclosure, each of the elastic pieces is formed in an arc-shaped structure or a V-shaped structure protruding toward the movable terminal.

According to an exemplary embodiment of the present disclosure, the first end of the movable terminal is further formed with at least one first elastic arm, and the first elastic arm is configured to elastically abut against the first receiving portion on the inner side wall.

According to an exemplary embodiment of the present disclosure, each of the first elastic arms extends from the first end of the movable terminal in an axial direction of the movable terminal, and the The free end is provided with a radially outwardly projecting protrusion for elastic contact with the conductive housing.

According to an exemplary embodiment of the present disclosure, the second elastic member is made by stamping.

According to an embodiment of another aspect of the present disclosure, there is also provided an electrical connector assembly comprising:

An electrical connector as described above; and

A cylinder, the cylinder includes:

outer conductive cylinder,

an inner insulating cylinder, the inner insulating cylinder is arranged in the outer conductive cylinder, the electrical connector is installed in the inner insulating cylinder, and is isolated from the outer conductive cylinder by the inner insulating cylinder open.

According to an exemplary embodiment of the present disclosure, the electrical connector assembly further includes a mating connector including an insulating base and a connecting terminal connected to the insulating base, the connecting terminal partially It extends into the outer conductive cylinder and is electrically connected with the outer conductive cylinder.

According to an exemplary embodiment of the present disclosure, the electrical connector assembly further includes a third elastic member, two ends of the third elastic member elastically abut against the insulating base and the outer conductive cylinder, respectively between the bodies.

The electrical connectors and electrical connector assemblies according to the above-described embodiments of the present disclosure are provided by providing a second elastic member, the second elastic member including a cylindrical body portion attached to the conductive housing and a first elastic member extending from the cylindrical body portion. The end is bent inward and extended to contact the outer peripheral surface of the movable terminal, so that the movable terminal is electrically connected to the conductive housing through the second elastic member and the first elastic member located at one end of the movable terminal, thereby improving the electrical contact. Reliability, even in the case of vibration or external force applied to the movable terminal, the movable terminal can always maintain a good and stable electrical contact with the conductive housing through the first elastic member and the second elastic member, thus avoiding high frequency Resonance and current transients occur.

Other objects and advantages of the present invention will be apparent from the following description of the present invention with reference to the accompanying drawings, and may assist in a comprehensive understanding of the present invention.

Description of drawings

1 is a schematic perspective view of an electrical connector according to an exemplary embodiment of the present disclosure;

2 is a schematic cross-sectional view of an electrical connector according to an exemplary embodiment of the present disclosure;

3 is a schematic perspective view of a movable terminal according to an exemplary embodiment of the present disclosure;

4 is a schematic perspective view of a conductive housing according to an exemplary embodiment of the present disclosure;

5 is a schematic perspective view of a second elastic member according to an exemplary embodiment of the present disclosure;

6 is a schematic cross-sectional view of an electrical connector assembly according to an exemplary embodiment of the present disclosure;

7 is a schematic perspective view of an electrical connector according to another exemplary embodiment of the present disclosure;

8 is a schematic cross-sectional view of an electrical connector according to another exemplary embodiment of the present disclosure;

FIG. 9 is a schematic perspective view of a second elastic member according to another exemplary embodiment of the present disclosure; and

10 is a schematic cross-sectional view of an electrical connector assembly according to another exemplary embodiment of the present disclosure.

Detailed ways

While the present disclosure will be fully described with reference to the accompanying drawings that contain preferred embodiments of the present disclosure, prior to this description it should be understood that those of ordinary skill in the art can modify the invention described herein while obtaining the technical effects of the present disclosure. Therefore, it is to be understood that the above description is a broad disclosure to those of ordinary skill in the art and that its content is not intended to limit the exemplary embodiments described in this disclosure.

Furthermore, in the following detailed description, for convenience of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the present disclosure. Obviously, however, one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in diagram form in order to simplify the drawings.

According to the general inventive concept of the present disclosure, there is provided an electrical connector, comprising: a conductive shell, a first accommodating part is formed in the conductive shell, the first accommodating part has an open end; at least one can a movable terminal, the first end of which is inserted into the first accommodating part through the open end; a first elastic piece, the first elastic piece is located in the first accommodating part, each of the a second end of the movable terminal opposite to the first end movably protrudes from the first accommodating portion against the elasticity of the first elastic member; and a second elastic member, the second elastic member comprising: a cylindrical body portion attached to the conductive housing, and at least one elastic piece, each of the elastic pieces extending inwardly bent from a first end of the cylindrical body portion, so as to be in contact with the outer peripheral surface of the movable terminal.

According to another general inventive concept of the present disclosure, there is provided an electrical connector assembly, comprising: the electrical connector as described above; and a barrel, the barrel comprising: an outer conductive barrel, an inner insulating barrel, The inner insulating cylinder is arranged in the outer conductive cylinder, and the electrical connector is installed in the inner insulating cylinder and separated from the outer conductive cylinder by the inner insulating cylinder.

1 is a schematic perspective view of an electrical connector according to an exemplary embodiment of the present disclosure; FIG. 2 is a schematic cross-sectional view of an electrical connector according to an exemplary embodiment of the present disclosure; FIG. 3 is a schematic diagram of the electrical connector according to the present disclosure a schematic perspective view of a movable terminal of an exemplary embodiment; FIG. 4 is a schematic perspective view of a conductive housing according to an exemplary embodiment of the present disclosure; and FIG. 5 is a schematic perspective view of an exemplary embodiment of the present disclosure A three-dimensional schematic diagram of the second elastic member.

As shown in FIGS. 1 and 2 , an electrical connector 10 according to an embodiment of the present disclosure includes: a cylindrical conductive housing 2 , a movable terminal 1 , a first elastic member 3 and a first Two elastic pieces 4 . A cylindrical first accommodating part 2.1 is formed in the conductive housing 2, the first accommodating part 2.1 has an open end, and the end of the first accommodating part 2.1 opposite to the open end is closed. The first end of the movable terminal 1 is inserted into the first accommodating part 2.1 through the open end of the first accommodating part 2.1, the first elastic member 3 is located in the first accommodating part 2.1, and the first end of the movable terminal 1 opposite to the first end is inserted into the first accommodating part 2.1. The two ends are movably protruded from the first accommodating portion 2.1 against the elasticity of the first elastic member (eg, a spring) 3 to be electrically connected with an electronic component (eg, a PCB board). The second elastic member 4 includes a cylindrical body portion 4.1 and a plurality of elastic pieces 4.4 attached to the conductive housing 2, each elastic piece 4.4 being bent inward from the first end 4.2 of the cylindrical body portion 4.1 The fold is extended so as to be in contact with the outer peripheral surface of the movable terminal 1 . In this way, the movable terminal 1 is electrically connected to the conductive housing 2 through the first elastic member 3 and the second elastic member 4 respectively, so as to improve the connection reliability between the movable terminal 1 and the conductive housing 2, thereby avoiding high frequency resonance and current transients occur.

In an exemplary embodiment, as shown in FIG. 1 and FIG. 2 , the first end of the movable terminal 1 is formed with a second accommodating portion 1.1, and the first elastic member 3 is located in the first accommodating portion 2.1 and the second accommodating portion 1.1. within the space defined by Section 1.1.

In an exemplary embodiment, as shown in FIGS. 1 and 2 , the cylindrical body portion 4.1 is sleeved on the outside of the open end of the conductive housing 2, and each elastic piece 4.4 extends through the open end of the conductive housing 2 to the first A accommodating portion 2.1 is in contact with the outer peripheral surface of the movable terminal 1 .

In an exemplary embodiment, as shown in FIG. 1 , FIG. 2 and FIG. 5 , at least one elastic arm 4.5 protruding inward is formed on the inner side wall of the cylindrical main body 4.1, and on the outer side wall of the conductive housing 2 A groove 2.3 is formed which is adapted to be combined with the elastic arm 4.5. In this way, when the second elastic member 4 is assembled with the conductive housing 2, the elastic arm 4.5 on the inner side wall of the cylindrical body portion 4.1 is combined with the groove 2.3 on the outer side wall of the conductive housing 2 to prevent the first The two elastic members 4 are separated from the conductive housing 2 , thereby improving the connection reliability between the second elastic member 4 and the conductive housing 2 .

In an exemplary embodiment, as shown in FIG. 1 , FIG. 2 and FIG. 5 , a stopper 2.2 protruding radially outward is provided on the outer side wall of the conductive housing 2, so that when the elastic arm 4.5 is in contact with the concave When the groove 2.3 is engaged, the second end 4.3 of the cylindrical body portion 4.1, opposite the first end 4.2, abuts against the stop portion 2.2. In this way, by providing the stopper 2.2 and the groove 2.3, the position of the second elastic member 4 in the axial direction of the conductive housing 2 can be restricted, thereby further improving the connection reliability of the second elastic member 4 and the conductive housing 2 .

In an exemplary embodiment, as shown in Figures 1, 2 and 5, the second end 4.3 of the cylindrical body portion 4.1 is provided with a first flange 4.6 protruding outwards so that when the resilient arm 4.5 is in contact with the When the groove 2.3 is engaged, the first flange 4.6 abuts against the stop portion 2.2. In this embodiment, the first flange 4.6 is at an angle to the axial direction of the cylindrical body portion 4.1, eg 45°, 60°, etc.

In an exemplary embodiment, as shown in Figures 1 and 5, the cylindrical main body 4.1 is formed by enclosing a plate-shaped material, the first end of the plate-shaped material is provided with a joint 4.9, the plate-shaped material is The second end of the material, opposite the first end, is provided with a joining groove 4.10 suitable for joining with the joining portion, by joining the joining portion 4.9 and the joining groove 4.10 together to form a cylindrical body portion 4.1.

7 is a schematic perspective view of an electrical connector according to another exemplary embodiment of the present disclosure; FIG. 8 is a schematic cross-sectional view of an electrical connector according to another exemplary embodiment of the present disclosure; A perspective view of the second elastic member of another exemplary embodiment of the present disclosure.

In an exemplary embodiment, as shown in FIGS. 7 and 8 , the cylindrical body portion 4.1 is sleeved on the inner side of the open end of the conductive housing 2, and each elastic piece 4.4 extends from the first end 4.2 of the cylindrical body portion 4.1 It is bent inwardly and extends axially so as to be in contact with the outer peripheral surface of the movable terminal 1 .

In an exemplary embodiment, as shown in FIG. 7 , the inner side wall of the conductive housing 2 is formed with a step 2.6, so that when the second elastic member 4 is assembled in place, the cylindrical body portion 4.1 and the first end 4.2 The opposite second end 4.3 abuts at the step 2.6, thereby preventing the second elastic member 4 from moving away from the open end of the conductive housing 2.

In an exemplary embodiment, as shown in FIGS. 7 and 8 , the open end of the first receiving portion 2.1 is provided with a second flange 2.7 protruding radially inward to prevent the second elastic member 4 from The receptacle 2.1 slides out.

In an exemplary embodiment, as shown in FIG. 7 and FIG. 9 , the part between the two adjacent elastic pieces 4.4 of the first end of the cylindrical main body part 4.1 is formed with a protruding part 4.7, so that when the second The protrusion 4.7 abuts on the second flange 2.7 after the elastic element 4 is assembled in place. In this way, the position of the second elastic member 4 in the axial direction of the conductive housing 2 can be defined by the step 2.6 and the second flange 2.7.

In an exemplary embodiment, as shown in Figures 7 and 9, the cylindrical body portion 4.1 is provided with an open slot 4.8 extending axially through the two opposite ends 4.2 of the cylindrical body portion 4.1 , 4.3. By arranging the opening groove 4.8, the deformation range of the second elastic member 4 can be made larger, so as to be suitable for the first accommodating part 2.1 of different sizes (ie, inner diameters) as far as possible.

In an exemplary embodiment, as shown in FIG. 2 and FIG. 7 , a stopper 2.5 protruding radially inward is also formed on the inner side wall of the conductive housing 2 to prevent the movable terminal 1 from being accommodated from the first Section 2.1 slides out.

In some exemplary embodiments, as shown in FIGS. 5 and 9 , a plurality of elastic pieces 4.4 are distributed at equal intervals along the circumference of the cylindrical body portion 4.1. In this way, the movable terminal 1 can be easily positioned in the center of the first accommodating part 2.1 under the elastic force of the plurality of elastic pieces 4.4, that is, the axis of the movable terminal 1 coincides with the axis of the first accommodating part 2.1.

In some exemplary embodiments, as shown in FIGS. 2 and 7 , each elastic piece 4 . 4 is formed into a V-shaped structure protruding toward the movable terminal 1 so as to elastically abut against the outer peripheral surface of the movable terminal 1 . It should be noted that those skilled in the art should understand that, in some other embodiments of the present disclosure, the elastic piece 4.4 may also adopt an arc-shaped structure protruding toward the movable terminal 1, for example. In addition, the number of the shrapnel 4.4 can also be one.

In some exemplary embodiments, as shown in FIG. 2 , FIG. 3 and FIG. 7 , the first end of the movable terminal 1 is further formed with a plurality of first elastic arms 1.2, one of two adjacent first elastic arms 1.2 A slot 1.4 is provided between the first elastic arm 1.2 and the first elastic arm 1.2 is configured to elastically abut on the inner side wall of the first accommodating part 2.1; in this way, the movable terminal 1 can further pass through the first elastic arm 1.2 and the conductive housing 2. Electrical connection to improve the connection reliability between the movable terminal 1 and the conductive housing 2 .

In an exemplary embodiment, as shown in Figures 2, 3 and 7, each first elastic arm 1.2 extends from the first end of the movable terminal 1 in the axial direction of the movable terminal 1 . In this way, the insertion of the movable terminal 1 into the first receiving portion 2.1 of the conductive housing 2 can be facilitated. It should be noted that those skilled in the art should understand that, in some other embodiments of the present disclosure, the first elastic arm 1.2 may also extend at an angle to the axial direction of the movable terminal 1, so as to The inner side walls of the first receiving portion 2.1 are in electrical contact.

In an exemplary embodiment, as shown in FIGS. 2 , 3 and 7 , the free end of each first elastic arm 1 . 2 is provided with a radially outwardly protruding protrusion 1 . The inner side walls are elastically contacted, so that the movable terminal 1 can be reliably electrically contacted with the conductive housing 2 .

In an exemplary embodiment, as shown in FIG. 3 , the plurality of first elastic arms 1 . 2 are equally spaced along the circumference of the movable terminal 1 . In this way, the movable terminal 1 can be easily positioned in the center of the first accommodating part 2.1 under the elastic force of the plurality of first elastic arms 1.2, that is, the axis of the movable terminal 1 coincides with the axis of the first accommodating part 2.1.

In some exemplary embodiments, as shown in FIGS. 1 , 2 , 4 , 7 , and 8 , the first receiving portion 2.1 has an open end, and the end of the first receiving portion 2.1 opposite to the open end (ie, closed end) is formed with an extension 2.4 extending away from the open end. In this case, the electrical connector includes a movable terminal 1, the first end of which protrudes from the open end of the first receiving portion 2.1 to connect with the electronic component 300 (as shown in FIGS. 6 and 10 ). shown) electrical contact.

However, it should be noted that those skilled in the art should understand that in some other embodiments of the present disclosure, both ends of the first accommodating portion 2.1 may be open. In this case, the electrical connector may comprise two movable terminals 1 whose first ends protrude from opposite ends of the first accommodating portion 2.1, respectively, to communicate with the corresponding electronic The components are in electrical contact, and at this time, the first elastic member 3 is located in the space defined by the first accommodating portion 1.2 and the second accommodating portion 2.1 of the two movable terminals 1 .

In an exemplary embodiment, as shown in FIG. 5 and FIG. 9 , the second elastic member 4 is made by stamping a plate-shaped material, so as to simplify the manufacturing process and reduce the manufacturing cost.

6 is a schematic perspective view of an electrical connector assembly according to an exemplary embodiment of the present disclosure; and FIG. 10 is a schematic perspective view of an electrical connector assembly according to another exemplary embodiment of the present disclosure.

According to an embodiment of another aspect of the present disclosure, an electrical connector assembly is provided. As shown in FIG. 6 and FIG. 10 , the electrical connector assembly includes the electrical connector 10 and the barrel 30 as described above, wherein the barrel 30 includes an outer conductive barrel 31 and an inner insulating barrel 32 , and the inner insulating barrel 30 . 32 is arranged in the outer conductive cylinder 31 , and the electrical connector 10 is installed in the inner insulating cylinder 32 and is isolated from the outer conductive cylinder 31 by the inner insulating cylinder 32 .

In some exemplary embodiments, as shown in FIGS. 6 and 10 , the electrical connector assembly further includes a mating connector 20 , and the mating connector 20 includes an insulating base 21 and a connection terminal 22 connected to the insulating base 21 , The connection terminal 22 partially extends into the outer conductive cylinder 31 and is electrically connected with the outer conductive cylinder 31 .

In some exemplary embodiments, as shown in FIGS. 6 and 10 , the electrical connector assembly further includes a third elastic member 40 , such as a spring, two ends of the third elastic member 40 elastically abut against the insulating base, respectively. between the seat 21 and the outer conductive cylinder 31, so that the third elastic member 40 can provide pressure to ensure the connection between the first electronic component 300 (eg PCB board) at the upper end of the electrical connector assembly and the second electronic component 200 (eg, the lower end) respectively. PCB board, filter) electrical connection.

The electrical connectors and electrical connector assemblies according to the above-described embodiments of the present disclosure are provided by providing a second elastic member, the second elastic member including a cylindrical body portion attached to the conductive housing and a first elastic member extending from the cylindrical body portion. The end is bent inward and extended to contact the outer side wall of the movable terminal, so that the movable terminal is electrically connected to the conductive housing through the second elastic member and the first elastic member located at one end of the movable terminal, thereby improving the electrical contact. Reliability, even in the case of vibration or external force applied to the movable terminal, the movable terminal can always maintain a good and stable electrical contact with the conductive housing through the first elastic member and the second elastic member, thus avoiding high frequency Resonance and current interruptions occur, and the impedance is low and cost is low, and the mechanical performance is more reliable. In addition, the length of the entire center terminal can be made shorter. Further, the second elastic member can be formed by a stamping process, thus reducing the manufacturing cost. The electrical connector can be widely used in high-speed products (eg, BTB RF connectors) and power products.

Those skilled in the art can understand that the above-described embodiments are all exemplary, and those skilled in the art can make improvements thereto, and the structures described in the various embodiments do not conflict in terms of structures or principles can be freely combined.

After describing the preferred embodiments of the present disclosure in detail, those skilled in the art can clearly understand that various changes and modifications can be made without departing from the scope and spirit of the appended claims, and the present disclosure is not limited by the Implementations limited to the exemplary embodiments set forth in the specification.

Claims (21)

1. An electrical connector (10), wherein the electrical connector comprises:

a conductive housing (2), a first receiving portion (2.1) being formed in the conductive housing (2), the first receiving portion (2.1) having an open end;

at least one movable terminal (1), a first end of said movable terminal (1) being inserted into said first housing (2.1) via said open end;

a first elastic member (3), said first elastic member (3) being located in said first housing (2.1), a second end of each of said movable terminals (1) opposite to said first end being movably protruded from said first housing (2.1) against the elasticity of said first elastic member (3); and

a second elastic member (4), said second elastic member (4) comprising:

a cylindrical body part (4.1), the cylindrical body part (4.1) being attached to the electrically conductive housing (2), and

at least one spring plate (4.4), wherein each spring plate (4.4) is bent inwards from the first end (4.2) of the cylindrical main body part (4.1) to be in contact with the outer peripheral surface of the movable terminal (1).

2. The electrical connector according to claim 1, wherein the first end of the movable terminal (1) is formed with a second receiving portion (1.1), and the first elastic member (3) is located in a space defined by the first receiving portion (2.1) and the second receiving portion (1.1).

3. The electrical connector according to claim 1 or 2, wherein the cylindrical body portion (4.1) is sleeved outside the open end of the conductive housing (2), each spring piece (4.4) extending into the first accommodation portion (2.1) via the open end of the conductive housing (2).

4. Electrical connector according to claim 3, wherein the cylindrical body portion (4.1) has at least one inwardly projecting resilient arm (4.5) formed on an inner side wall thereof, and the conductive housing (2) has a recess (2.3) formed on an outer side wall thereof adapted to engage with the resilient arm (4.5).

5. Electrical connector according to claim 4, wherein a stop (2.2) is provided on an outer side wall of the conductive housing (2) protruding radially outwards, such that a second end (4.3) of the cylindrical body part (4.1) opposite to the first end (4.2) abuts against the stop (2.2) when the resilient arm (4.5) engages with the groove (2.3).

6. Electrical connector according to claim 5, wherein the second end (4.3) of the cylindrical body part (4.1) is provided with a first flange (4.6) protruding outwards, such that when the resilient arm (4.5) engages with the recess (2.3), the first flange (4.6) abuts against the stop (2.2).

7. Electrical connector according to claim 3, wherein the cylindrical body part (4.1) is enclosed by a plate-like material, a first end of which is provided with a coupling portion (4.9), and a second end of which opposite to the first end is provided with a coupling groove (4.10) adapted to couple with the coupling portion (4.9).

8. Electrical connector according to claim 1 or 2, wherein the cylindrical body part (4.1) is sleeved inside the open end of the conductive housing (2).

9. The electrical connector according to claim 8, wherein the inner side wall of the conductive housing (2) is formed with a step (2.6) such that a second end (4.3) of the cylindrical body part (4.1) opposite to the first end (4.2) abuts at the step (2.6) when the second resilient member (4) is assembled in place.

10. Electrical connector according to claim 8, wherein the open end of the first housing part (2.1) is provided with a second flange (2.7) protruding radially inwards to prevent the second resilient member (4) from slipping out of the first housing part (2.1).

11. Electrical connector according to claim 10, wherein a portion of the first end of the cylindrical body part (4.1) between two adjacent spring blades (4.4) is formed with a protrusion (4.7) such that the protrusion (4.7) abuts against the second flange (2.7) when the second spring element (4) is assembled in place.

12. Electrical connector according to claim 8, wherein the cylindrical body part (4.1) is provided with an open slot (4.8), the open slot (4.8) extending axially through a first end (4.2) of the cylindrical body part (4.1) and a second end (4.3) opposite the first end (4.2).

13. The electrical connector according to claim 1, wherein a stopper portion (2.5) protruding radially inward is further formed on an inner side wall of the conductive housing (2) to prevent the movable terminal (1) from slipping out of the first housing portion (2.1).

14. The electrical connector according to claim 1, wherein a plurality of said spring tabs (4.4) are equally spaced along a circumference of said cylindrical body portion (4.1).

15. Electrical connector according to claim 1, wherein each spring (4.4) is formed as an arc-shaped or V-shaped structure protruding towards the movable terminal (1).

16. Electrical connector according to claim 1, wherein the first end of the movable terminal (1) is further formed with at least one first resilient arm (1.2), the first resilient arm (1.2) being configured to resiliently abut against an inner side wall of the first housing part (2.1).

17. Electrical connector according to claim 16, wherein each of the first resilient arms (1.2) extends from the first end of the movable terminal (1) in an axial direction of the movable terminal (1), a free end of each of the first resilient arms (1.2) being provided with a radially outwardly protruding protrusion (1.3) for resiliently contacting the electrically conductive housing (2).

18. Electrical connector according to claim 1, wherein the second resilient member (4) is made by stamping.

19. An electrical connector assembly, wherein the electrical connector assembly comprises:

the electrical connector (10) of any one of claims 1-18; and

a barrel (30), the barrel (30) comprising:

an outer conductive cylinder (31),

the electric connector comprises an inner insulation cylinder body (32), wherein the inner insulation cylinder body (32) is arranged in an outer conductive cylinder body (31), and the electric connector (10) is installed in the inner insulation cylinder body (32) and is isolated from the outer conductive cylinder body (31) through the inner insulation cylinder body (32).

20. The electrical connector assembly of claim 19, further comprising a mating connector (20), the mating connector (20) comprising an insulating base (21) and a connection terminal (22) connected to the insulating base (21), the connection terminal (22) extending partially into the outer conductive cylinder (31) and being electrically connected to the outer conductive cylinder (31).

21. The electrical connector assembly according to claim 20, further comprising a third elastic member (40), wherein both ends of the third elastic member (40) elastically abut between the insulating base (21) and the outer conductive cylinder (31), respectively.

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