PCB end connector

Abstract

A printed circuit board (PCB) end connector belongs to the technical field of connectors and comprises an insulator and a contact element, the contact element is an integrated contact element and comprises a jack, a connecting part and a pin which are integrally formed, the jack is aligned with a connector jack arranged on the insulator, the peripheral surface of the jack is provided with a jack fixing surface, and the pin is arranged on the jack fixing surface. The pins extend out of the bottom of the insulator, the connecting part is used for connecting the jacks and the pins, the front end and the rear end of the connecting part respectively form positioning steps with the bottom end, the positioning steps comprise a lower step surface at the bottom of the connecting part, a front step surface at the front end of the connecting part and a rear step surface at the rear end of the connecting part, and the lower step surface is attached to a lower positioning surface on the inner wall of the insulator. The front step surface is attached to the front positioning surface of the inner wall of the insulator, the rear step surface is attached to the rear positioning surface of the inner wall of the insulator, and the jack fixing surface abuts against the upper positioning surface of the top of the insulator. The structure is simple, excessive parts are not needed, and the product reliability and the product machining efficiency are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of connector, specifically relates to a PCB board end connector. BACKGROUND

[0002] With the rapid development and popularization of 5G technology, internet of things and intelligent equipment, the demand of PCB connector is increasing, and the industry is facing new challenges and opportunities, so the PCB connector needs to have higher performance and reliability, and the large-current PCB connector as an important branch of the PCB connector plays an important role in the current transmission between PCBs, and the stability of the transmission current will directly determine whether the equipment can normally operate.

[0003] The board end connector is mainly used for realizing the electrical connection between the PCB circuit and the external circuit, and the conventional round hole type board end connector has the combination form of the insulating shell + wire spring type jack component or the combination form of the insulating shell + crown band type jack component. Figure 1 As shown in the figure, the jack component is generally composed of a round hole part 30 and a soldering leg 40, the round hole part 30 is mainly used for cooperating with the external connector of the PCB to realize the electrical connection, the soldering leg 40 is mainly used for welding and fixing the PCB and realizing the electrical connection, the round hole part 30 and the soldering leg 40 realize the electrical conduction through the internal structure, and then realize the electrical switching function of the product. Figure 2 The crown band type or wire spring type jack component is generally assembled by a plurality of parts such as a sheath, a crown band or a wire spring wire, the sheath generally includes one or more parts such as a front sleeve, a rear sleeve and an inner sleeve, the internal structure of the jack component is complex, the assembly and detection process is tedious, and there is a certain scrap rate.

[0004] The multi-part assembly structure of the crown band type or wire spring type jack component inevitably introduces the electrical connection risk point, and affects the stability of the product. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of PCB board end connectors, adopt integrated contact, simple structure, without too many parts, increase the reliability of product and processing efficiency, reduce cost;Integrated contact is accurately, stably fixed by the cooperation of two insulators.

[0006] In order to achieve the above object, the utility model adopts the technical scheme: a PCB board end connector, including insulator and contact piece, the contact piece is integrated contact piece, including integrated jack, connecting portion and pin, the jack is aligned with the connector socket set up on the insulator, the outer peripheral surface of jack is provided with jack fixed surface, the pin is from the insulator bottom and stretches out, the connecting portion is used for connecting jack and pin, the front, rear end of connecting portion forms the positioning step with bottom end respectively, including the lower step surface of connecting portion bottom, the front step surface of connecting portion front end and the rear step surface of connecting portion rear end, the lower step surface is pasted with the lower positioning surface of insulator inner wall, the front step surface is pasted with the front positioning surface of insulator inner wall, the rear step surface is pasted with the rear positioning surface of insulator inner wall, the jack fixed surface is abutted with the upper positioning surface of insulator top.

[0007] Its beneficial effects are: the structure of integrated contact piece is simple, the jack, connecting portion and pin are all integrated structure, without other components, which simplifies the manufacturing and installation of contact piece.

[0008] One side of the insulator is the opposite plug end of the connector, and the connector socket is located at the opposite plug end.

[0009] Its beneficial effects are: the opposite plug end and the board connecting end are in different directions, which can solve the connection problem of the connection direction of the connector and the PCB board and the connection direction of the connector and the external adaptive component.

[0010] As an embodiment, the opposite plug end and the board connecting end of the insulator are located in two directions perpendicular to each other.

[0011] Its beneficial effects are: suitable for the use scenario that the connection direction of the connector and the PCB board and the connection direction of the connector and the external adaptive component are perpendicular.

[0012] As an embodiment, the opposite plug end and the board connecting end of the insulator form a non-right angle.

[0013] Its beneficial effects are: suitable for the use scenario that the connection direction of the connector and the PCB board and the connection direction of the connector and the external adaptive component form a non-right angle.

[0014] Further, the insulator includes a first insulator and a second insulator that are mutually engaged.

[0015] Its beneficial effects are: the split design of the insulator facilitates the quick assembly of the integrated contact piece, and the engaged connection mode facilitates the assembly and fixation of the two-part insulator.

[0016] Further, the lower positioning surface, the front positioning surface and the rear positioning surface are arranged on the second insulator, the lower positioning surface is arranged on the bottom of the second insulator, the front positioning surface is arranged on the inner wall at the plug-in end, and the rear positioning surface is arranged on the inner wall at the other end opposite to the plug-in end.

[0017] The beneficial effect is that the lower positioning surface, the front positioning surface and the rear positioning surface are arranged on the second insulator, which is convenient for processing and manufacturing and simplifies the processing process.

[0018] Further, the bottom of the second insulator is provided with a fixing groove for the pin.

[0019] The beneficial effect is that the fixing groove is beneficial to the extension and fixation of the pin.

[0020] Further, the width of the fixing groove is matched with the thickness of the pin.

[0021] The beneficial effect is that the pin can be fixed in the left-right direction, and the fixing effect of the integrated contact is improved.

[0022] Further, the front end of the jack of the integrated contact is provided with a plurality of elastic sheets distributed along the circumference.

[0023] The beneficial effect is that the plurality of elastic sheet structures of the jack can realize elastic contact with the matched components, ensure the reliability of the contact, and improve the anti-vibration performance of the connector.

[0024] Further, the integrated contact has two plate surfaces spaced apart from each other, and each connection part is provided with the pin at the end.

[0025] The beneficial effect is that the two fixing parts are fixed by the pin, which can ensure the fixing effect of the integrated contact.

[0026] The beneficial effect of the utility model is that. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a structural schematic view of the PCB end connector in the prior art;

[0028] Figure 2 It is a structural schematic view of the jack part of the PCB end connector in the prior art;

[0029] Figure 3 It is a structural schematic view of the PCB end connector in the prior art;

[0030] Figure 4 It is a structural schematic view of the integrated contact in the PCB end connector in the prior art;

[0031] Figure 5 The lower insulator bottom surface structure diagram of the PCB end connector is shown in the utility model.

[0032] Marked in the figure: 10, insulating shell, 20, jack part, 30, round hole part, 40, soldering leg;

[0033] 1, first insulator, 101, upper locating surface, 2, integrated contact, 201, jack, 202, connecting part, 203, pin, 204, spring piece, 205, rear step surface, 206, lower step surface, 207, front step surface, 208, jack fixing surface, 3, second insulator, 301, rear locating surface, 302, lower locating surface, 303, front locating surface, 304, fixing groove, 4, connector jack. DETAILED DESCRIPTION

[0034] The utility model will be further explained in detail in combination with the drawings and examples, but it is not as the basis of any limitation to the utility model.

[0035] Referring to the drawings Figures 3-5 As shown in the drawings, a kind of PCB end connector, including insulator and integrated contact 2 being arranged in insulator. The two different directions of the insulator are respectively provided with the plug-in end of connector and the board connecting end of connector, the plug-in end is used to and other connector or adapter element plug-in, and the board connecting end is used to and PCB board connection. The integrated contact 2 is provided with jack 201 and pin 203, pin 203 is located in the axial side of jack 201, jack 201 is used to and and other connector or adapter element plug-in conduction, pin 203 is used to connect and fixed on PCB board, realizes electrical conduction.

[0036] Preferably, the plug-in end and the board connecting end are respectively located in two perpendicular directions, therefore, the connecting direction of pin 203 and PCB board is perpendicular to the axial direction of jack 201.

[0037] In other embodiments, the plug-in end and the board connecting end form a non-right angle, and correspondingly, the axial direction of jack 201 and the connecting direction of pin 203 form a non-right angle, to meet the use needs of multiple scenes.

[0038] The insulator comprises a first insulator 1 and a second insulator 3 which are buckled to each other, and the front end surface of the first insulator 1 and the second insulator 3 forms a connector socket 4 after buckling, the connector socket 4 corresponds to the insertion hole 201 of the integrated contact 2 installed in the insulator, and is used for plugging of the connector and other adapter elements to realize electrical connection. The top of the first insulator 1 is provided with an upper positioning surface 101 which is used for abutting positioning with the outer peripheral surface of the insertion hole 201. The bottom of the second insulator 3 is provided with a fixing groove 304 for the pin 203 of the integrated contact 2 to extend out and a lower positioning surface 302 which positions the integrated contact 2 in the direction perpendicular to the PCB. The inner wall of the second insulator 3 is provided with a front positioning surface 303 and a rear positioning surface 301, the front positioning surface 303 is used for abutting contact with the front part of the integrated contact 2, and the rear positioning surface 301 is used for abutting contact with the rear part of the integrated contact 2, thereby realizing fixation of the integrated contact 2 in the front-rear direction.

[0039] As shown in Figure 4 The integrated contact 2 is processed from a metal sheet and comprises an insertion hole 201, a connecting part 202 and a pin 203. The front end of the insertion hole 201, i.e. the plugging end of the insertion hole 201 is provided with a plurality of elastic sheets 204 which are distributed along the circumference at intervals. The other end of the insertion hole 201 opposite to the plugging end has a continuous circular arc surface, and the insertion hole fixing surface 208 is arranged on the outer periphery of the circular arc surface and is located at the top end of the circular arc surface. The rear part of the insertion hole 201 extends to one side of the axial direction of the insertion hole 201 to form the connecting part 202, the connecting part 202 has a plurality of bending features or flat plate features and is mainly used for connecting the insertion hole 201 and the pin 203. One or more pins 203 are arranged at the end of the connecting part 202 and are used for welding fixation and electrical conduction between the connector and the PCB. The integrated contact 2 has two connecting parts 202 which are spaced apart from each other on the plate surface, and the end of each connecting part 202 is provided with the pin 203.

[0040] Further, the front end and the rear end of the connecting part 202 and the bottom part form positioning steps respectively, the positioning steps comprise a lower step surface 206 located at the bottom of the connecting part 202, a front step surface 207 located at the front end of the connecting part 202 and a rear step surface 205 located at the rear end of the connecting part 202. After the integrated contact 2 is installed in the insulator, the upper positioning surface 101 on the first insulator 1 abuts with the insertion hole fixing surface 208 of the insertion hole 201, the lower step surface 206 is used for abutting with the lower positioning surface 302 on the second insulator 3, the front step surface 207 is used for abutting with the front positioning surface 303 of the second insulator 3, and the rear step surface 205 is used for abutting with the rear positioning surface 301 of the second insulator 3, thereby realizing reliable fixation of the integrated contact 2 in the up-down and front-rear directions in the insulator.

[0041] As shown in Figure 5As shown, the second insulator 3 is provided with a linear fixing groove 304 at the bottom, and two integrated contact pieces 2 are installed in the insulator in the embodiment, each integrated contact piece 2 has two rows of pins 203, and therefore the fixing groove 304 is provided with four rows, each row corresponding to one row of pins 203, the width of the fixing groove 304 is matched with the thickness of the pin 203, and the fixing of the pin 203 in the thickness direction is realized.

[0042] In the above embodiment, the direction of the connector socket 4 is "front", the opposite direction is "rear", and the direction of the pin 203 is "down".

[0043] The above embodiments are only used to illustrate the technical solutions of the present application and not to limit them, and those skilled in the art should understand that the specific embodiments of the present application can be modified or replaced by the same according to the above embodiments, and any modification or equivalent replacement without departing from the spirit and scope of the present application is within the protection scope of the claims.

Claims

1. A PCB board end connector comprising an insulator and a contact, characterized by: The contact is an integrated contact (2) comprising an integrated socket (201), a connecting part (202) and a pin (203), the socket (201) is aligned with a connector socket (4) arranged on the insulator, the socket (201) is provided with a socket fixing surface (208) on its outer circumferential surface, the pin (203) extends from the bottom of the insulator, the connecting part (202) is used to connect the socket (201) and the pin (203), the front and rear ends of the connecting part (202) are respectively formed with positioning steps, including a lower step surface (206) at the bottom of the connecting part (202), a front step surface (207) at the front end of the connecting part (202) and a rear step surface (205) at the rear end of the connecting part (202), the lower step surface (206) is in abutment with a lower positioning surface (302) at the bottom of the insulator, the front step surface (207) is in abutment with a front positioning surface (303) at the front side of the insulator, and the rear step surface (205) is in abutment with a rear positioning surface (301) at the rear side of the insulator, and the socket fixing surface (208) is in abutment with an upper positioning surface (101) at the top of the insulator.

2. The PCB board end connector of claim 1, wherein: One side of the insulator is a mating end of the connector, and the connector socket (4) is located at the mating end, and the bottom of the insulator is a board connecting end of the connector.

3. The PCB board end connector of claim 2, wherein: The mating end and the board connecting end of the insulator are located in two directions perpendicular to each other.

4. The PCB board end connector of claim 2, wherein: The mating end and the board connecting end of the insulator form a non-right angle.

5. The PCB board end connector of claim 1, wherein: The insulator comprises a first insulator (1) and a second insulator (3) which are mutually engaged.

6. The PCB board end connector of claim 5, wherein: The lower positioning surface (302), the front positioning surface (303) and the rear positioning surface (301) are all arranged on the second insulator (3), the lower positioning surface (302) is arranged at the bottom of the second insulator (3), the front positioning surface (303) is arranged on the inner wall at the mating end, and the rear positioning surface (301) is arranged on the inner wall at the other end opposite to the mating end.

7. The PCB board end connector of claim 6, wherein: The bottom of the second insulator (3) is provided with a fixing groove (304) through which the pin (203) extends.

8. The PCB board end connector of claim 7, wherein: The width of the fixing groove (304) is matched with the thickness of the pin (203).

9. The PCB board end connector of claim 1, wherein: The front end of the socket (201) of the integrated contact (2) is provided with a plurality of elastic sheets (204) distributed along the circumference at intervals.

10. The PCB board end connector of claim 1, wherein: The integrated contact (2) has two connecting parts (202) with plate surfaces spaced apart from each other, and the end of each connecting part (202) is provided with the pin (203).

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