CN219643162U - Electric connector with direct-insertion spring piece - Google Patents

Abstract

The utility model relates to the technical field of electric connectors, in particular to an electric connector with an in-line spring piece, which comprises an insulating shell, a spring piece and a conductive piece, wherein the spring piece and the conductive piece are arranged in the insulating shell, the conductive piece comprises a first spring arm, a second spring arm and a fixing part, the spring piece is used for being in elastic contact with the fixing part, the fixing part is used for being fixedly connected with the first spring arm and the second spring arm, the first spring arm and the second spring arm are oppositely arranged, and a clamping opening is formed between the first spring arm and the second spring arm; when the needle seat terminal is connected with the electric connector, the insulating terminal is inserted into a clamping opening between the first elastic arm and the second elastic arm of the conductive piece, and the wire is connected with the fixed part of the conductive piece through the spring piece; the arrangement of the elastic clamp enables the first elastic arm and the second elastic arm to be close, which is beneficial to increasing the connection stability of the needle seat terminal and the electric connector.

Description

Electric connector with direct-insertion spring piece

Technical Field

The utility model relates to the technical field of electric connectors, in particular to an electric connector with a straight-inserted spring piece.

Background

The electric connector can rapidly realize connection of wires, circuit boards and circuit boards, is an indispensable component in electronic equipment, has wider and wider application field, has various forms and structures, and has various different structural forms along with different application objects, frequencies, power, application environments and the like. The connection modes between the electric connector and the electric wire mainly comprise screw type, spring type, wire insulation skin puncture, wire terminal cold-pressing terminal and the like. Currently, spring type electrical connectors have been widely used in the world electrical and electronic engineering industries, such as lighting, elevator lift control, instrumentation, power, chemical and automotive power, and the like.

Spring type electrical connectors generally include an insulative housing, a spring plate and a conductive member, the spring plate is positioned and connected with the conductive member, and a spring arm of the spring plate is in spring contact with the conductive member. The conductive piece and the spring piece are fixed in the insulating shell, and a needle seat hole for connecting a needle seat terminal, a wire inlet hole for connecting a wire and an auxiliary hole are arranged on the insulating shell. When the spring type electric connector is connected with a wire, an auxiliary tool is inserted into the auxiliary hole to drive the elastic arm of the spring piece, so that the elastic arm is loosened from the conductive piece, and then the wire is inserted into the contact conductive piece from the wire inlet hole; finally, removing the auxiliary tool, and enabling the elastic arm of the spring piece to rebound to tightly press the lead and the conductive piece, so that the connection and conduction between the lead and the conductive piece are realized; the pin seat terminal is inserted into the pin seat hole and connected with the conductive piece to form electric connection.

However, in the prior art, the hub terminal is usually clamped and fixed by means of the elastic force of the spring piece, the contact surface between the spring piece and the wire is small, so that the hub terminal is subjected to small clamping force, and the problem of unstable connection exists.

Disclosure of Invention

The utility model aims to solve the problems of poor fixing effect on the needle seat terminal and unstable connection of the traditional electric connector.

In order to solve the problems, the utility model provides the following technical scheme:

the utility model provides an electric connector of spring leaf is cut straightly in area, includes insulating housing, spring leaf and electrically conductive piece, the spring leaf with electrically conductive piece all set up in the insulating housing, electrically conductive piece includes first bullet arm, second bullet arm and fixed part, the spring leaf be used for with fixed part elastic contact, fixed part be used for with first bullet arm, second bullet arm fixed connection, first bullet arm with the second bullet arm sets up relatively, just be formed with the centre gripping opening between first bullet arm and the second bullet arm;

the electric connector with the straight-inserting spring piece further comprises an elastic clamp, wherein the elastic clamp is used for being abutted to the outer sides of the first elastic arm and the second elastic arm so that the first elastic arm and the second elastic arm are close to each other.

Compared with the prior art, the electric connector with the direct-insertion spring piece has the following beneficial effects:

the insulating shell provides a carrier for the part equipment, when the needle seat terminal is connected with the electric connector, the insulating terminal is inserted into a clamping opening between the first elastic arm and the second elastic arm of the conductive piece, and the wire is connected with the fixed part of the conductive piece through the spring piece; the elastic clamp is arranged to enable the first elastic arm and the second elastic arm to be close, so that clamping force of the first elastic arm and the second elastic arm to the needle seat terminal is increased, and connection stability of the needle seat terminal and the electric connector is improved.

Preferably, the first elastic arm and the second elastic arm have the same structure, the first elastic arm and the second elastic arm each comprise a clamping protrusion, a force application section and a mounting section which are sequentially connected from left to right, and the clamping protrusions of the first elastic arm and the clamping protrusions of the second elastic arm are oppositely arranged to form the clamping opening.

Preferably, the elastic clamp comprises a first clamping arm and a second clamping arm which are oppositely arranged, the first clamping arm is used for being abutted to the outer wall of the first elastic arm, and the second clamping arm is used for being abutted to the outer wall of the second elastic arm.

Preferably, the elastic clamp further comprises a sleeve, the sleeve is used for sleeving the mounting section of the first elastic arm and the mounting section of the second elastic arm, and the first clamping arm and the second clamping arm are both arranged on one side of the sleeve.

Preferably, the first elastic arm further comprises a guide plate, the guide plate is arranged at one end of the clamping protrusion, which is far away from the force application section, and the guide plate of the first elastic arm and the guide plate of the second elastic arm are arranged oppositely to form an opening communicated with the clamping opening, and the opening gradually opens from one end of the clamping opening to the outside.

Preferably, the conductive member further includes a connection board, where the connection board is used to connect the first spring arm and the second spring arm, and the connection board is disposed on one side of the first spring arm and one side of the second spring arm.

Preferably, the fixing portion includes an upper contact plate, a lower contact plate and a middle fixing plate, the upper contact plate and the lower contact plate are connected through the middle fixing plate, the middle fixing plate is disposed on one side of the upper contact plate and one side of the lower contact plate, and the first spring arm is fixedly connected with the lower contact plate.

Preferably, the spring piece comprises a fixing arm and an elastic arm which are integrally bent and formed, the fixing arm is used for being connected with the upper contact plate, the elastic arm is used for being in elastic contact with the lower contact plate, and the middle part of the elastic arm is bent to form an abutting groove.

Preferably, a needle seat hole is formed in one side of the insulating shell, and the needle seat hole is communicated with the opening and the clamping opening;

the insulation shell is provided with a wire inlet hole on one side far away from the needle seat hole, the wire inlet hole is used for being aligned with the contact position of the elastic arm and the lower contact plate, an auxiliary hole is arranged on the upper side of the wire inlet hole, and the auxiliary hole is aligned with the abutting groove.

Preferably, a groove and a fixing protrusion matched with the conductive piece and the spring piece are arranged in the insulating shell, and the fixing protrusion is used for fixing the spring piece.

Drawings

Fig. 1 is a schematic view of an internal structure of an electrical connector with an in-line spring piece according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a conductive member according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a spring clip according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a spring plate according to an embodiment of the present utility model;

fig. 5 is a schematic structural diagram of an insulating housing, a wire inlet hole and an auxiliary hole according to an embodiment of the present utility model.

Reference numerals illustrate:

the novel high-voltage power supply comprises an insulating shell, a needle seat hole, a wire inlet hole, an auxiliary hole, a fixing protrusion, a spring leaf, a fixing arm, an elastic arm, a 23 abutting groove, a conductive piece, a first elastic arm, a 311 clamping protrusion, a 312 force application section, a 313 mounting section, a 314 guide plate, a 315 opening, a 32 second elastic arm, a 33 fixing part, an upper 331 contact plate, a 332 lower contact plate, a 333 fixing plate, a 34 clamping opening, a 35 connecting plate, a 4 elastic clamp, a 41 first clamping arm, a 42 second clamping arm and a 43 sleeve.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the coordinate system XYZ provided herein, the positive direction of the X axis represents the right direction, the negative direction of the X axis represents the left direction, the positive direction of the Y axis represents the front direction, the negative direction of the Y axis represents the rear direction, the positive direction of the Z axis represents the upper direction, and the negative direction of the Z axis represents the lower direction; the Z-axis, X-axis, Y-axis are meant to be illustrative only and to simplify the description of the present utility model and are not indicative or implying that the apparatus or elements being referred to must have, be constructed and operated in a particular orientation and therefore are not to be construed as limiting the present utility model.

Referring to fig. 1-5, the electrical connector with an in-line spring piece provided by the utility model comprises an insulation shell 1, a spring piece 2 and a conductive piece 3, wherein the spring piece 2 and the conductive piece 3 are both arranged in the insulation shell 1, the conductive piece 3 comprises a first spring arm 31, a second spring arm 32 and a fixing part 33, the spring piece 2 is used for elastically contacting with the fixing part 33, the fixing part 33 is used for fixedly connecting with the first spring arm 31 and the second spring arm 32, the first spring arm 31 and the second spring arm 32 are oppositely arranged, and a clamping opening 34 is formed between the first spring arm 31 and the second spring arm 32;

the electric connector with the in-line spring piece further comprises an elastic clip 4, wherein the elastic clip 4 is used for abutting against the outer sides of the first elastic arm 31 and the second elastic arm 32 so as to enable the first elastic arm 31 and the second elastic arm 32 to be close to each other.

Specifically, the device is used for connecting a wire and a hub terminal, the wire is connected with the conductive piece 3 through the spring piece 2, and the hub terminal is inserted into the clamping opening 34 to be connected with the conductive piece 3.

In this embodiment, the insulating housing 1 provides a carrier for the component device, and when the hub terminal is connected to the electrical connector, the insulating terminal is inserted into the clamping opening 34 between the first spring arm 31 and the second spring arm 32 of the conductive member 3, and the wire is connected to the fixing portion 33 of the conductive member 3 through the spring piece 2; the elastic clamp 4 is arranged to make the first elastic arm 31 and the second elastic arm 32 close together, so that the clamping force of the first elastic arm 31 and the second elastic arm 32 on the needle seat terminal is increased, and the connection stability of the needle seat terminal and the electric connector is improved.

Referring to fig. 2, preferably, the first spring arm 31 and the second spring arm 32 have the same structure, the first spring arm 31 and the second spring arm 32 each include a clamping protrusion 311, a force application section 312, and a mounting section 313 that are sequentially connected from left to right, and the clamping protrusion 311 of the first spring arm 31 and the clamping protrusion 311 of the second spring arm 32 are oppositely disposed to form the clamping opening 34.

Specifically, the force applying section 312 is disposed obliquely with respect to the mounting section 313, and the force applying section 312 of the first arm 31 is inclined toward the second arm 32, and the force applying section 312 of the second arm 32 is inclined toward the first arm 31, which structure brings the holding projection 311 of the first arm 31 and the holding projection 311 of the second arm 32 toward the middle.

In this embodiment, the hub terminal is inserted into the electrical connector through the clamping opening 34, where the special structures of the force applying section 312 of the first spring arm 31 and the force applying section 312 of the second spring arm 32 apply force to the two clamping protrusions 311, respectively, so as to facilitate clamping of the hub terminal.

Referring to fig. 3, the spring clip 4 preferably includes a first clip arm 41 and a second clip arm 42 disposed opposite to each other, where the first clip arm 41 is configured to abut against an outer wall of the first spring arm 31, and the second clip arm 42 is configured to abut against an outer wall of the second spring arm 32.

Specifically, the first clamping arm 41 and the second clamping arm 42 are also arranged in an inclined manner, so that a V-shaped clamping opening with an open bottom end is formed between the first clamping arm 41 and the second clamping arm 42, an abutting protrusion is arranged at one end of the elastic clamp 4, which is close to the clamping protrusion 311, and the abutting protrusion is used for abutting against the outer wall of the clamping protrusion 311, so that the two clamping protrusions 311 are closer to each other.

In this embodiment, the first clamping arm 41 abuts against the outer portion of the first elastic arm 31, the second clamping arm 42 abuts against the outer portion of the second elastic arm 32, the first clamping arm 41 and the second clamping arm 42 are configured to increase the clamping force between the first elastic arm 31 and the second elastic arm 32, and the two clamping protrusions 311 are closer to each other, and the abutting protrusions further increase the distance between the two clamping protrusions 311, so that when the hub terminal is plugged into the electrical connector, the connection is more stable due to the action of the elastic clamp 4, and the hub terminal is effectively prevented from falling off from the electrical connector.

Preferably, the spring clip 4 further includes a sleeve 43, the sleeve 43 is configured to be sleeved outside the mounting section 313 of the first spring arm 31 and the mounting section 313 of the second spring arm 32, and the first clip arm 41 and the second clip arm 42 are both disposed on one side of the sleeve 43.

In the present embodiment, the sleeve 43 provides a mounting carrier for the first clip arm 41 and the second clip arm 42, and allows the first clip arm 41 and the second clip arm 42 to be fixed outside the first spring arm 31 and the second spring arm 32 by the sleeve 43.

Preferably, the first spring arm 31 further includes a guide plate 314, the guide plate 314 is configured to be disposed at an end of the clamping protrusion 311 away from the force application section 312, the guide plate 314 of the first spring arm 31 and the guide plate 314 of the second spring arm 32 are disposed opposite to each other, so as to form an opening 315 in communication with the clamping opening 34, and the opening 315 is gradually opened from one end of the clamping opening 34 toward the outside.

Specifically, the guide plate 314, the clamping protrusion 311, the force application section 312, and the mounting section 313 are integrally formed, the guide plate 314, the clamping protrusion 311, and the force application section 312 form a V-shaped structure, a tip portion of the V-shaped structure of the first spring arm 31 and a tip portion of the V-shaped structure of the second spring arm 32, that is, the clamping protrusion 311, and the two clamping protrusions 311 are disposed opposite to each other and form the clamping opening 34.

In an embodiment, the guide plate 314 is provided with a guide device for guiding the hub terminal into the clamping opening 34, so that the hub terminal can be inserted into the clamping opening 34 from the opening 315 quickly, and the position deviation of the hub terminal during the insertion process is avoided.

Preferably, the conductive member 3 further includes a connection plate 35, the connection plate 35 is used for connecting the first spring arm 31 and the second spring arm 32, and the connection plate 35 is disposed on one side of the first spring arm 31 and the second spring arm 32.

Specifically, the sleeve 43 is sleeved at the mounting section 313 of the first spring arm 31 and the mounting section 313 of the second spring arm 32, and is sleeved on the outer wall of the connecting plate 35.

In this embodiment, the connection plate 35 is disposed such that the first spring arm 31 and the second spring arm 32 are disposed opposite to each other, which is beneficial to increase the stability of the connection between the first spring arm 31 and the second spring arm 32.

Referring to fig. 2, the fixing portion 33 preferably includes an upper contact plate 331, a lower contact plate 332, and a middle fixing plate 333, the upper contact plate 331 and the lower contact plate 332 are connected by the middle fixing plate 333, the middle fixing plate 333 is disposed at one side of the upper contact plate 331 and the lower contact plate 332, and the first spring arm 31 is fixedly connected with the lower contact plate 332.

Specifically, the first spring arm 31, the second spring arm 32, the connecting plate 35, and the fixing portion 33 are formed by stamping a sheet metal, and the middle fixing plate 333 is used for contacting with the inner wall of the insulating housing 1.

In this embodiment, the fixing portion 33 is integrally formed in a shape of a "C", and the middle fixing plate 333 is configured to contact with the inner wall of the insulating housing 1, which increases the contact between the conductive member 3 and the inner wall of the insulating housing 1, thereby increasing the stability of the conductive member 3 mounted inside the insulating housing 1.

Preferably, the spring piece 2 includes a fixing arm 21 and an elastic arm 22 that are integrally bent, the fixing arm 21 is used to connect with the upper contact plate 331, the elastic arm 22 is used to elastically contact with the lower contact plate 332, and a middle portion of the elastic arm 22 is bent to form the abutment groove 23.

Specifically, the manner in which the fixing arm 21 of the spring piece 2 is connected to the upper contact plate 331 of the conductive member 3 may be welding or riveting, or may be fixed by setting fastening structures on both the fixing arm 21 of the spring piece 2 and the upper contact plate 331 of the conductive member 3.

In this embodiment, the elastic arm 22 of the spring piece 2 is in elastic contact with the lower contact plate 332, when the elastic arm 22 of the spring piece 2 is abutted against the lower contact plate 332 through the abutment groove 23, a gap is left between the side wall of the elastic arm 22 and the lower contact plate 332, so that a wire passes through the gap, after the wire passes through the gap, the external force on the elastic arm 22 is removed, and the elastic arm 22 is reset and clamps the wire together with the lower contact plate 332; wherein the abutting groove 23 is provided to facilitate the user to abut against the inside of the abutting groove 23 and to open the elastic arm 22 by an auxiliary tool such as a screwdriver, etc.

Referring to fig. 5, preferably, a needle seat hole 11 is provided on one side of the insulating housing 1, and the needle seat hole 11 communicates with the opening 315 and the clamping opening 34;

a wire inlet hole 12 is arranged on one side, far away from the needle seat hole 11, of the insulating housing 1, the wire inlet hole 12 is used for being aligned with a contact position of the elastic arm 22 and the lower contact plate 332, an auxiliary hole 13 is arranged on the upper side of the wire inlet hole 12, and the auxiliary hole 13 is aligned with the abutting groove 23.

In this embodiment, the hub hole 11 communicates with the opening 315 and the clamping opening 34, which facilitates the insertion of the hub terminal from the hub hole 11 through the opening and into the clamping opening 34; the auxiliary hole 13 is aligned with the abutting groove 23, the structure facilitates the user to insert the auxiliary hole 13 into the abutting groove 23 by using an auxiliary tool to prop the elastic arm 22 open, so that a gap is reserved between the side wall of the elastic arm 22 and the lower contact plate 332, a wire enters from the wire inlet hole 12 and penetrates into the gap, then, the external force to the elastic arm 22 is removed, and the elastic arm 22 resets and clamps the wire together with the lower contact plate 332.

Referring to fig. 4, preferably, a groove and a fixing protrusion 14 matching with the conductive member 3 and the spring plate 2 are provided in the insulating housing 1, and the fixing protrusion 14 fixes the spring plate 2.

In this embodiment, the arrangement of the grooves and the fixing protrusions 14 is beneficial to increasing the stability of the conductive member 3 and the spring piece 2 inside the insulating housing 1, and avoiding the displacement of the parts inside the insulating housing 1 to affect the electrical connection operation.

Although the present disclosure is described above, the scope of protection of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the utility model.

Claims (10)

1. The utility model provides an electric connector of spring leaf is cut straightly in area, includes insulating housing (1), spring leaf (2) and electrically conductive piece (3), spring leaf (2) with electrically conductive piece (3) all set up in insulating housing (1), a serial communication port, electrically conductive piece (3) include first bullet arm (31), second bullet arm (32) and fixed part (33), spring leaf (2) be used for with fixed part (33) elastic contact, fixed part (33) be used for with first bullet arm (31) second bullet arm (32) fixed connection, first bullet arm (31) with second bullet arm (32) set up relatively, just be formed with between first bullet arm (31) and second bullet arm (32) centre gripping opening (34);

the electric connector with the direct-insertion spring piece further comprises an elastic clamp (4), wherein the elastic clamp (4) is used for being abutted to the outer sides of the first elastic arm (31) and the second elastic arm (32) so that the first elastic arm (31) and the second elastic arm (32) are close to each other.

2. The electrical connector with the in-line spring piece according to claim 1, wherein the first spring arm (31) and the second spring arm (32) have the same structure, the first spring arm (31) and the second spring arm (32) each include a clamping protrusion (311), a force application section (312) and a mounting section (313) which are sequentially connected, and the clamping protrusions (311) of the first spring arm (31) and the clamping protrusions (311) of the second spring arm (32) are oppositely arranged to form the clamping opening (34).

3. The electrical connector with in-line spring leaf according to claim 2, wherein the spring clip (4) comprises a first clip arm (41) and a second clip arm (42) arranged opposite to each other, the first clip arm (41) being adapted to abut against an outer wall of the first spring arm (31), and the second clip arm (42) being adapted to abut against an outer wall of the second spring arm (32).

4. An electrical connector with in-line spring leaf according to claim 3, wherein the spring clip (4) further comprises a sleeve (43), the sleeve (43) being adapted to be sleeved outside the mounting section (313) of the first spring arm (31) and the mounting section (313) of the second spring arm (32), the first clip arm (41) and the second clip arm (42) being both arranged on one side of the sleeve (43).

5. The electrical connector with in-line spring leaf according to claim 2, wherein the first spring arm (31) further comprises a guide plate (314), the guide plate (314) is configured to be disposed at an end of the clamping protrusion (311) away from the force application section (312), the guide plate (314) of the first spring arm (31) and the guide plate (314) of the second spring arm (32) are disposed opposite to each other to form an opening (315) in communication with the clamping opening (34), and the opening (315) is gradually opened from the end of the clamping opening (34) toward the outside.

6. The electrical connector with in-line spring leaf according to claim 1, wherein the conductive member (3) further comprises a connection plate (35), the connection plate (35) is used for connecting the first spring arm (31) and the second spring arm (32), and the connection plate (35) is disposed at one side of the first spring arm (31) and the second spring arm (32).

7. The electrical connector with the in-line spring leaf according to claim 5, wherein the fixing portion (33) includes an upper contact plate (331), a lower contact plate (332) and a middle fixing plate (333), the upper contact plate (331) and the lower contact plate (332) are connected by the middle fixing plate (333), the middle fixing plate (333) is disposed at one side of the upper contact plate (331) and the lower contact plate (332), and the first spring arm (31) is fixedly connected with the lower contact plate (332).

8. The electrical connector with in-line spring leaf according to claim 7, characterized in that the spring leaf (2) comprises a fixing arm (21) and an elastic arm (22) which are integrally bent and formed, the fixing arm (21) is used for being connected with the upper contact plate (331), the elastic arm (22) is used for being elastically contacted with the lower contact plate (332), and the middle part of the elastic arm (22) is bent to form an abutting groove (23).

9. The electrical connector with the in-line spring piece according to claim 8, wherein a hub hole (11) is provided on one side of the insulating housing (1), and the hub hole (11) is communicated with the opening (315) and the clamping opening (34);

the insulation shell (1) is provided with a wire inlet hole (12) on one side far away from the needle seat hole (11), the wire inlet hole (12) is used for being aligned with a contact position of the elastic arm (22) and the lower contact plate (332), an auxiliary hole (13) is arranged on the upper side of the wire inlet hole (12), and the auxiliary hole (13) is aligned with the abutting groove (23).

10. Electrical connector with in-line spring leaf according to any one of claims 1-9, characterized in that the insulating housing (1) is provided with grooves and fixing protrusions (14) matching the conductive members (3) and the spring leaf (2), the fixing protrusions (14) fixing the spring leaf (2).