End face contact connector

Abstract

The utility model provides an end face contact connector, comprising a housing provided with a plurality of mounting holes; the terminal assembly is mounted in the mounting hole, the terminal assembly comprises a conductive piece, the conductive piece comprises a wire holder and a jack arranged on the wire holder, and the wire holder is fixedly connected with the shell; the bearing seat is a conductor, the bearing seat comprises a contact pin and a contact head arranged at the head part of the contact pin, the contact pin is inserted into the jack and is electrically connected with the jack, the end surface of the contact head is provided with a mounting groove, and the contact head extends out of the mounting hole of the shell; the end face elastic piece is arranged in the mounting groove and is used for being electrically contacted with an external conductor; and the spring is sleeved outside the jack and the contact pin, one end of the spring acts on the contact head, the other end of the spring acts on the plug wire seat, and the spring is used for applying a restoring force to the bearing seat when the bearing seat moves towards the inside of the shell along the axial direction under the action of an external force.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of electric connector, concretely relates to a end face contact connector. BACKGROUND

[0002] The description in this section is provided only for background information related to the present disclosure and does not constitute the prior art.

[0003] With the rise of AI, the chip testing industry has increasingly higher requirements for power, which makes the power output of the testing machine face higher standards. Currently, a probe capable of supporting large current is needed to meet the needs of the testing machine for chip testing and promote its development. The existing large-current probe technology realizes large-current end-face large-floating transmission through the thin copper row folding and lamination method. However, this technology has many problems: the processing technology is complex, the bending part is easy to break, and the contact position is easy to spread out. In view of this, we have developed a new power contact technology to effectively solve these problems.

[0004] It should be noted that the above introduction to the technical background is only to facilitate a clear and complete description of the technical scheme of the present utility model, and to facilitate the understanding of those skilled in the art. The above technical scheme cannot be considered as known to those skilled in the art just because it is described in the background section of the present utility model. CONTENT OF THE UTILITY MODEL

[0005] The technical problem to be solved by the utility model is to provide an end face contact connector.

[0006] In order to solve the above technical problem, the utility model provides an end face contact connector, which comprises an outer shell provided with at least one mounting hole; a terminal assembly installed in the mounting hole, the terminal assembly comprising a conductive part, the conductive part comprising a terminal seat and a plug hole provided on the terminal seat, the terminal seat being fixedly connected with the outer shell; a bearing seat being a conductor, the bearing seat comprising a plug pin and a contact head provided at the head of the plug pin, the plug pin being inserted into the plug hole and electrically connected with the plug hole, the contact head having an installation groove at its end face, the contact head extending out of the mounting hole of the outer shell; an end face elastic part provided in the installation groove and used for electrically contacting with an external conductor; and a spring, the spring being sleeved on the plug hole and the plug pin, one end of the spring acting on the contact head and the other end acting on the terminal seat, the spring being used for applying a restoring force to the bearing seat when the bearing seat is moved axially into the outer shell under an external force.

[0007] Preferably, the installation groove is an annular groove opened at the end face of the contact head, the end face elastic part is a inclined coil spring installed in the annular groove, and the inclined coil spring is higher than the end face of the contact head.

[0008] Preferably, the contact head is covered by a detachable bearing sleeve along the axial direction, the end face edge of the contact head is concave downward to form a concave area, the bearing seat is circumferentially surrounded outside the concave area to form the mounting groove, the end face elastic member is a inclined coil spring mounted in the mounting groove, and the inclined coil spring is higher than the end face of the contact head.

[0009] Preferably, the jack is provided with a spring assembly, and the spring assembly is used for applying a fastening force to the pin to prevent the pin from being separated from the jack when the pin is in the jack.

[0010] Preferably, the connector further comprises a second insulating seat, the terminal seat is fixed on the second insulating seat through a first pin, and the second insulating seat is fixed on the shell through a second pin.

[0011] Preferably, the terminal assembly further comprises a first insulating seat, the first insulating seat comprises a connecting part and a cylindrical supporting seat, the supporting seat is sleeved outside the connecting part, the upper end of the supporting seat is connected with the connecting part through a shoulder part, an internally threaded hole is formed in the connecting part along the axial direction, the bearing seat further comprises a threaded section between the contact head and the pin, and the internally threaded hole is sleeved on the threaded section of the bearing seat and is in threaded connection with the threaded section.

[0012] Preferably, the upper surface of the shoulder part of the first insulating seat abuts against the shell, the upper end of the spring abuts against the lower surface of the shoulder part of the first insulating seat, and the upper end of the spring is located in the mounting space between the supporting seat and the connecting part.

[0013] By means of the above technical scheme, the end face contact connector has the following beneficial effects:

[0014] The end face contact connector has the end face elastic member arranged on the end face of the contact head, the end face elastic member can tightly abut against the external conductor, reliable electrical contact is achieved, even if the surface of the external conductor is uneven or slightly displaced, stable connection can also be maintained. In addition, the connector of the application is further provided with the spring, when the bearing seat moves along the axial direction under the external force, the spring can absorb the impact and provide the restoring force, so that the bearing seat is reset. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a cross-sectional structure schematic view of the connector of the application.

[0016] Figure 2 is a cross-sectional structure schematic view of part of the connector of the application.

[0017] Figure 3 is a cross-sectional structure schematic view of the bearing seat of the application.

[0018] Figure 4 is a sectional structure schematic diagram in another embodiment of the application.

[0019] Figure 5 is a sectional structure schematic diagram of the first insulating seat of the application.

[0020] Figure 6 is a sectional structure schematic diagram of the conductive interface of the application.

[0021] Figure 7 is a structure schematic diagram of the connector of the application.

[0022] Wherein: 1, end face elastic piece; 2, bearing seat; 3, first insulating seat; 4, shell; 5, spring; 6, conductive piece; 7, spring piece assembly; 8, first pin; 9, second pin; 10, second insulating seat; 21, mounting groove; 22, threaded section; 23, external thread; 24, pin; 25, contact head; 26, bearing sleeve; 31, connecting part; 32, internal threaded hole; 33, support seat; 61, wiring seat; 62, first pin hole; 63, insertion hole; 64, sheath. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] It should be noted that, in the description of the utility model, the terms "first", "second" and the like are only used for the purpose of description and distinguishing similar objects, and there is no sequence between the two, and it cannot be understood as indicating or implying relative importance. In addition, in the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more.

[0025] As Figure 7As shown, the utility model provides a kind of end face contact connector, comprising, shell 4 is provided with at least one mounting hole;Terminal assembly is installed in mounting hole, the terminal assembly includes, electrically conductive member 6, the electrically conductive member 6 includes terminal block 61 and the jack 63 being arranged on terminal block 61, the terminal block 61 is fixedly connected with shell 4;Bearing seat 2 is conductor, the bearing seat 2 includes pin 24 and the contact head 25 being arranged in the head of pin 24, the pin 24 is inserted into jack 63, with jack 63 electrically connected, the end face of the contact head 25 has a mounting groove 21, the contact head 25 extends from the mounting hole of shell 4;End face elastic member 1 is arranged in mounting groove 21, for electric contact with external conductor;Spring 5, the spring 5 is sleeved on the jack 63 and pin 24 outside, one end of the spring 5 acts on contact head 25, and the other end acts on terminal block, and the spring 5 is used to when the bearing seat 2 is moved along the axial direction to shell 4 inside by external force, the bearing seat 2 is applied with a restoring force.The end face elastic member 1 of the application can closely adhere to external conductor, so that it has reliable electric contact, even if the surface of external conductor is uneven or has slight displacement, stable connection can be maintained.The jack 63 is installed with spring piece assembly 7, and the spring piece assembly 7 is used to when pin 24 is in jack 63, pin 24 is applied with fastening force, to prevent pin 24 from being separated from jack 63.The end of the jack 63 is also provided with a sheath 64, and the spring piece is located in the sheath 64.

[0026] As Figure 3 As shown, the mounting groove 21 is annular groove being opened in the end face of contact head 25, the end face elastic member 1 is inclined coil spring being installed in the annular groove, and the inclined coil spring is higher than the end face of contact head 25.

[0027] As Figure 4 As shown, another embodiment of the bearing seat 2 of the application, the end face edge of the contact head 25 is recessed downward, to form a circle of recessed area, the bearing seat 2 is peripherally enclosed in recessed area to form the mounting groove 21, and the end face elastic member 1 is inclined coil spring being installed in the mounting groove 21, and the inclined coil spring is higher than the end face of contact head 25.

[0028] Inclined coil spring can be elastically deformed in axial direction and radial direction simultaneously, can keep close contact with the contact surface of external conductor.Even if the surface of external conductor is uneven or there is slight displacement, inclined coil spring can compensate these deviations through elastic deformation, reduce contact resistance, improve the stability of electrical connection.In the embodiment as Figure 4 As shown, the bearing sleeve 26 is detachable structure, facilitating installation and replacement of inclined coil spring.

[0029] The connector further comprises a second insulating base 10, the terminal base 61 is fixed on the second insulating base 10 through the first pin 8, and the second insulating base 10 is fixed on the shell 4 through the second pin 9.

[0030] As shown in Figure 1 , 2 , the terminal assembly further comprises a first insulating base 3, the first insulating base 3 comprises a connecting part 31 and a cylindrical supporting base 33, the supporting base 33 is sleeved on the connecting part 31, the upper end of the supporting base 33 is connected with the connecting part 31 through a shoulder part, the connecting part 31 is provided with an internally threaded hole 32 which penetrates along the axial direction, and the bearing base 2 further comprises a threaded section 22 between the contact head 25 and the pin 24, the internally threaded hole 32 is sleeved on the threaded section 22 of the bearing base 2 and is in threaded connection with the threaded section 22.

[0031] The upper surface of the shoulder part of the first insulating base 3 abuts against the shell 4, the upper end of the spring 5 abuts against the lower surface of the shoulder part of the first insulating base 3, and the upper end of the spring 5 is located in the mounting space between the supporting base 33 and the connecting part 31.

[0032] The first insulating base 3 is made of insulating material and is in threaded connection with the bearing base 2, so that the structure is simple and the installation and dismounting are convenient. The upper end of the spring 5 is fixed in the mounting space between the supporting base 33 and the connecting part 31, which can fix the position of the spring 5 and can realize effective separation of the spring 5 from the conductive part 6 and the bearing part, so that the current is prevented from being conducted through the spring 5 and the unstable factors caused by the conduction of the spring 5 are eliminated.

[0033] The above-described embodiments are only preferred embodiments for fully illustrating the present application, and the protection scope of the present application is not limited thereto. Any equivalent substitutions or transformations made by the person skilled in the art on the basis of the present application are within the protection scope of the present application. The protection scope of the present application is subject to the claims.

Claims

1. A face contact connector, characterized in that, Includes a housing (4) having at least one mounting hole; and a terminal assembly installed within the mounting hole, the terminal assembly comprising: The conductive component (6) includes a terminal block (61) and a socket (63) provided on the terminal block (61). The terminal block (61) is fixedly connected to the outer shell (4). The carrier (2) is a conductor. The carrier (2) includes a pin (24) and a contact head (25) provided on the head of the pin (24). The pin (24) is inserted into the socket (63) and electrically connected to the socket (63). The end face of the contact head (25) has a mounting groove (21). The contact head (25) extends out from the mounting hole of the outer shell (4). An end-face elastic element (1) is provided in the mounting groove (21) for electrical contact with an external conductor; A spring (5) is sleeved on the outside of the socket (63) and the pin (24). One end of the spring (5) acts on the contact head (25) and the other end acts on the socket. The spring (5) is used to apply a restoring force to the support seat (2) when the support seat (2) is subjected to an external force and moves axially into the outer shell (4).

2. The connector according to claim 1, characterized in that, The mounting groove (21) is an annular groove formed on the end face of the contact head (25), and the end face elastic element (1) is a slanted coil spring installed in the annular groove, with the slanted coil spring extending above the end face of the contact head (25).

3. The connector according to claim 1, characterized in that, The contact head (25) is axially covered by a detachable bearing sleeve (26). The end face edge of the contact head (25) is recessed downward to form a recessed area. The bearing seat (2) is circumferentially enclosed outside the recessed area to form the mounting groove (21). The end face elastic element (1) is a slanted coil spring installed in the mounting groove (21). The slanted coil spring is higher than the end face of the contact head (25).

4. The connector according to claim 1, characterized in that, A spring assembly (7) is installed inside the socket (63). The spring assembly (7) is used to apply a fastening force to the pin (24) when the pin (24) is inside the socket (63) to prevent the pin (24) from dislodging from the socket (63).

5. The connector according to claim 1, characterized in that, The connector further includes a second insulating base (10), the terminal block (61) is fixed to the second insulating base (10) by a first pin (8), and the second insulating base (10) is fixed to the housing (4) by a second pin (9).

6. The connector according to claim 1, characterized in that, The terminal assembly also includes a first insulating seat (3), which includes a connecting part (31) and a cylindrical support seat (33). The support seat (33) is fitted over the connecting part (31), and the upper end of the support seat (33) is connected to the connecting part (31) through a shoulder. The connecting part (31) has an internal threaded hole (32) extending through it axially. The bearing seat (2) also includes a threaded section (22) located between the contact head (25) and the pin (24). The internal threaded hole (32) is fitted onto the threaded section (22) of the bearing seat (2) and is threadedly connected to the threaded section (22).

7. The connector according to claim 6, characterized in that, The upper surface of the shoulder of the first insulating seat (3) abuts against the outer shell (4), the upper end of the spring (5) abuts against the lower surface of the shoulder of the first insulating seat (3), and the upper end of the spring (5) is located in the mounting space between the support seat (33) and the connecting part (31).

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