CN217334443U

CN217334443U - Electric connector structure

Info

Publication number: CN217334443U
Application number: CN202220887882.8U
Authority: CN
Inventors: 黄德耀; 洪登胜; 洪瑞志; 范斯淇
Original assignee: Kunshan Odyssey Electronic Technology Co ltd
Current assignee: Kunshan Odyssey Electronic Technology Co ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-08-30
Anticipated expiration: 2032-04-18

Abstract

The utility model provides an electric connector structure, including a shell, a terminal circuit board and the spacing unit of a circuit board. The limiting block body of the circuit board limiting unit comprises a first limiting block and a second limiting block which are combined with each other, the first limiting block comprises a first clamping part, and the second limiting block comprises a second clamping part and forms a circuit board positioning gap together with the first clamping part. The first stop block and the second stop block clamp the circuit board body of the terminal circuit board through the first clamping part and the second clamping part on two sides so as to be combined on the circuit board body, the shape of the stop block body conforms to the shape of the limiting slot of the shell, and the terminal unit of the terminal circuit board is inserted into the terminal slot of the shell and interferes with the limiting slot through the stop block body so as to limit radial deviation.

Description

Electric connector structure

Technical Field

The utility model relates to an electric connector structure especially relates to an electric connector structure who promotes terminal circuit board location effect.

Background

Generally, the circuit board is fixed in the electrical connector by using a fixing member on the electrical connector to penetrate through a positioning hole on the circuit board, so that the circuit board is roughly arranged at a predetermined position in the electrical connector, and then the circuit board is fixedly connected to the electrical connector by soldering.

Because the circuit board is only fixedly combined with the electric connector by the fixing piece and the welding point, if the electric connector is impacted by external force in the conveying process or the using process, the possibility of separation of the fixing piece and/or the welding point can be improved, the risk of loosening or falling of the circuit board from the electric connector is also increased, and the electric connector and the circuit board are damaged and can not be used.

Accordingly, it is desirable to provide an electrical connector structure that simplifies the assembly process and improves the positioning effect of the circuit board, thereby ensuring the normal operation of the electrical connector and prolonging the service life of the electrical connector.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problem, the utility model provides an electric connector structure, include:

the shell comprises a shell body, a terminal groove and a limiting slot, wherein the terminal groove is arranged on one side of the shell body, the limiting slot is arranged on the other side of the terminal groove, and a plurality of locking grooves are formed in the periphery of the shell body;

the terminal circuit board comprises a circuit board body and a terminal unit fixed on one side of the circuit board body, wherein the terminal connection direction of the terminal unit is parallel to the surface of the circuit board body; and

the circuit board limiting unit comprises a limiting block body and a circuit board positioning gap arranged on the limiting block body, wherein the limiting block body comprises a first stop block and a second stop block mutually combined with the first stop block, the first stop block comprises a first clamping part, and the second stop block comprises a second clamping part and forms the circuit board positioning gap together with the first clamping part;

the first stop block and the second stop block clamp the circuit board body through the first clamping part and the second clamping part on two sides to be combined on the circuit board body, the shape of the limiting block body is matched with that of the limiting slot, and the terminal unit is inserted into the terminal slot of the shell and interferes with the limiting slot through the limiting block body to limit radial deviation.

Preferably, the first holding portion is disposed in a groove of the first block, the second holding portion is disposed in a groove of the second block, the grooves together form a hole-shaped circuit board positioning gap, and the circuit board positioning gap is equal to or smaller than the circuit board body so as to form a tight arrangement with the circuit board body.

Preferably, the first clamping portion is a contact platform disposed on the first block, the second clamping portion is a contact platform disposed on the second block, a distance is formed between the contact platforms to form the circuit board positioning gap, and the circuit board positioning gap is equal to or smaller than the circuit board body so as to form a tight arrangement with the circuit board body.

Preferably, one side of the first block is provided with a containing groove, one side of the second block is provided with a containing groove, the containing grooves jointly form an abdicating space, and the abdicating space is equal to or smaller than the terminal unit so as to form a tight arrangement with the terminal unit.

Preferably, the first block is provided with a tenon, and the second block is provided with a mortise and tenon corresponding to the tenon.

Preferably, the housing body is provided at an outer circumference thereof with a screw unit.

Preferably, the number of the plurality of locking grooves is two or three.

Preferably, two sides of the casing body are respectively provided with a groove for inserting two sides of the circuit board body to limit the terminal circuit board to rotate around the center of the casing body.

Preferably, an electrical connection port for connecting the wire core or the motherboard is disposed at one end of the circuit board body.

Preferably, the terminal unit is an HDMI terminal, a USB c-type terminal or a video interface.

The utility model provides an electric connector structure has following beneficial effect: the electric connector structure provides a circuit board limiting unit for clamping the terminal circuit board, and the limiting block body of the circuit board limiting unit interferes with the limiting slot of the shell, so that the radial deviation of the terminal circuit board is limited, and the positioning effect of the terminal circuit board is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.

FIG. 1 is a schematic external view of a first embodiment of an electrical connector structure according to the present invention;

FIG. 2 is an exploded view of a first embodiment of the electrical connector structure of the present invention;

FIG. 3 is an exploded view of the first embodiment of the present invention from another perspective;

FIG. 4 is a rear view of a first embodiment of the present invention electrical connector structure;

FIG. 5 is a schematic cross-sectional view of a first embodiment of an electrical connector structure of the present invention;

FIG. 6 is an exploded view of a second embodiment of the electrical connector structure of the present invention;

FIG. 7 is an exploded view of a third embodiment of the present invention;

FIG. 8 is an exploded view of another perspective of the third embodiment of the electrical connector structure of the present invention;

FIG. 9 is a rear view of a third embodiment of the present invention electrical connector structure;

100, an electric connector structure; 10. a housing; 11. a housing body; 111. a screw unit; 112. a locking groove; 113. a trench; 12. a terminal groove; 13. limiting slots; 20. a terminal wiring board; 21. a circuit board body; 211. positioning holes; 22. a terminal unit; 221. a positioning leg; 222. positioning plates; 30. a circuit board limiting unit; 31. a limiting block body; 311. a first stopper; 312. a second stopper; 32. a circuit board positioning gap; g1, a first clamping part; g2, a second clamping part; f1, a tenon joint; f2, riveting pieces; 12A, a terminal groove; 22A, a terminal unit; 211A, a positioning groove; 222A, a positioning sheet; 12B, a terminal groove; 21B, a circuit board body; 211B, assembling holes; 22B, a terminal unit; 222B, a positioning sheet; 30B, a circuit board limiting unit; 31B, a stopper body; 311B, a first stop block; 3111B, a receiving groove; 3112B, ribs; 312B, a second stop block; 3121B, a containing groove; 3122B, ribs; 32B, a circuit board positioning gap; G1B, a first clamping portion; G2B, a second clamping portion; F1B, a tenon joint; F2B, riveting; F3B, joggle; F4B and riveting pieces.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

Referring to fig. 1 to 3, there are shown an appearance diagram and an exploded diagram of different viewing angles of the first embodiment of the electrical connector structure, as shown in the drawings:

the utility model discloses an electric connector structure 100, this electric connector structure 100 include a shell 10, a terminal circuit board 20 and the spacing unit 30 of a circuit board, wherein this spacing unit 30 of circuit board is used for pressing from both sides this terminal circuit board 20 of system to increase this terminal circuit board 20 and install the location effect in this shell 10.

The housing 10 includes a housing body 11, a terminal groove 12, and a limiting slot 13, wherein the terminal groove 12 is disposed on one side of the housing body 11, the limiting slot 13 is disposed on the other side of the terminal groove 12, and the terminal groove 12 and the limiting slot 13 are disposed for the terminal circuit board 20.

The housing body 11 is provided with a screw unit 111 at an outer periphery thereof, and the screw unit 111 is locked with a screw unit (not shown) at an inner periphery of another electrical connector, so as to combine the another electrical connector with the electrical connector structure 100. In one embodiment, the threaded unit 11 is locked with a nut (not shown) disposed on one side of the other electrical connector. In another embodiment, the screw unit 11 is locked with an internal screw (not shown) integrally formed on the inner periphery of the other electrical connector. The present disclosure is not limited to the embodiment for locking the thread unit 111, and the embodiment is described in the foregoing.

The housing body 11 is provided with a plurality of locking grooves 112 at the outer periphery thereof, and each locking groove 112 is respectively buckled with a clamping member (not shown) at the inner periphery of the other electrical connector to prevent the electrical connector structure 100 from being separated from the other electrical connector. In the present embodiment, the number of the locking slots 112 is three and is disposed on the periphery of the housing body 11, so that the other electrical connector can be quickly mounted and dismounted on the electrical connector structure 100 by providing three-point fastening. In another embodiment, the number of the locking slots 112 is two (not shown) and is disposed on the opposite sides of the outer periphery of the housing body 11, so as to provide clamping from both sides to allow the other electrical connector to be mounted and dismounted on the electrical connector structure 100.

Next, please refer to fig. 4, which is a schematic rear side view of the first embodiment of the electrical connector structure of the present invention, as shown in the figure:

two grooves 113 are respectively disposed on two sides of the housing body 11, and the grooves 113 are used for inserting two sides of the circuit board body 21, so as to limit the terminal circuit board 20 to rotate around the center of the housing body 11. In the embodiment, the groove 113 is a vertical wall with a reversed U shape disposed on the periphery of the position-limiting slot 13. In another embodiment, the groove 113 is a recessed structure (not shown) disposed on the outer periphery of the retaining slot 13. The present invention is not limited to the embodiment of the trench 113, and the embodiment is described in the foregoing.

The terminal circuit board 20 includes a circuit board body 21 and a terminal unit 22, the terminal unit 22 is fixed on one side of the circuit board body 21, and the terminal connection direction of the terminal unit 22 is parallel to the surface of the circuit board body 21. In the present embodiment, the terminal unit 20 is an HDMI terminal, and the implementation of the HDMI terminal is not limited in this disclosure. One end of the circuit board body 21 is provided with an electrical connection port (not shown) for connecting a wire core or a motherboard to conduct the terminal unit 22 and the circuit board body 21.

In this embodiment, as shown in fig. 2, at least one side of the terminal unit 22 has a positioning pin 221 contacting the surface of the circuit board body 21, and at least one side of the terminal unit 22 has a positioning piece 222 inserted into the circuit board body 21, and a positioning hole 211 is disposed at a position of the circuit board body 21 corresponding to the positioning piece 222. In another embodiment, the terminal unit 22 is combined with the circuit board body 21 by, for example, but not limited to, the positioning pins 221 or the positioning pieces 222, or the terminal unit 22 is combined with the circuit board body 21 by soldering, gluing or other means or structures.

The circuit board position limiting unit 30 includes a position limiting body 31 and a circuit board positioning gap 32 disposed on the position limiting body 31, wherein the position limiting body 31 includes a first stopper 311 and a second stopper 312, the second stopper 312 and the first stopper 311 are combined with each other, the first stopper 311 includes a first clamping portion G1, the second stopper 312 includes a second clamping portion G2, and the second clamping portion G2 and the first clamping portion G1 jointly form the circuit board positioning gap 32.

The shape of the stopper body 31 conforms to the shape of the stopper slot 13 of the housing 10, such as but not limited to a circle (as shown in fig. 4), a rectangle, a polygon or other shapes that can be implemented. The outer periphery of the stopper body 31 may be partially contacted (as shown in fig. 5) or fully contacted (not shown) with the inner periphery of the stopper slot 13. The stopper body 31 is made of, for example, but not limited to, plastic, rubber or other elastic materials, so that the stopper body 31 and the stopper slot 13 are tightly disposed. Depending on the material of the stopper body 31, the outer circumference of the stopper body 31 is equal to or slightly smaller than the inner circumference of the stopper slot 13 of the housing 10, so as to be tightly disposed with the stopper slot 13.

In the present embodiment, as shown in fig. 2, the first clamping portion G1 is disposed in the groove of the first stopper 311, the second clamping portion G2 is disposed in the groove of the second stopper 312, and as shown in fig. 4, the grooves jointly form the hole-shaped circuit board positioning gap 32. Regarding the size relationship between the circuit board positioning gap 32 and the circuit board body 21, in a preferred embodiment, the circuit board positioning gap 32 is equal to or smaller than the circuit board body 21, and is configured to be close to the circuit board body 21 during assembly, so as to achieve the functions of positioning, waterproofing and blocking glue. In another implementation aspect, the circuit board positioning gap 32 is slightly larger than the circuit board body 21, and a tolerance required for assembly is reserved in the circuit board positioning gap 32 so as to form a tight configuration with the circuit board body 21, wherein a waterproof adhesive is coated between the circuit board positioning gap 32 and the circuit board body 21, thereby achieving the positioning and waterproof effects.

In the present embodiment, the first stopper 311 and the second stopper 312 are clamped by the circuit board body 21 from the left and right sides, as shown in the position relationship between the first stopper 311, the second stopper 312 and the circuit board body 21 in fig. 2 and 4. In another embodiment, the first stopper 311 and the second stopper 312 are clamped by the upper and lower sides of the circuit board body 21 (not shown), where the upper and lower sides are orthogonal to the left and right sides.

In the present embodiment, the cross-sectional shapes of the circuit board positioning gap 32 and the circuit board body 21 are rectangles corresponding to each other, so that the inner periphery of the circuit board positioning gap 32 abuts against the outer periphery of the circuit board body 21. In another embodiment, four corners of the inner periphery of the circuit board positioning gap 32 abut against four corners of the circuit board body 21, except for the aforementioned corners, for example, but not limited to, the inner periphery of the circuit board positioning gap 32 partially abuts against or does not abut against the outer periphery of the circuit board body 21. The specific implementation of the circuit board positioning gap 32 is not limited in this disclosure, and is described in advance herein.

The first stopper 311 is provided with a mortise F1, the second stopper 312 is provided with a mortise F2, and the mortise F2 is correspondingly combined with the mortise F1, so as to combine the first stopper 311 and the second stopper 312. In this embodiment, the tenon F1 and the mortise F2 are mutually assembled protrusion and slot, the tenon F1 (protrusion) is corresponding to and slightly smaller than the mortise F2 (slot), and the mortise F2 is reserved with the tolerance required for assembly, so that the tenon F1 and the mortise F2 are tightly combined. In another embodiment, the mortise element F1 and the mortise element F2 may be, for example, but not limited to, mutually assembled locking pieces and locking slots (not shown), or any other means or structure for combining the first stop 311 and the second stop 312. In another embodiment, the first stop 311 is provided with a tenon and mortise (not shown), and the second stop 312 is provided with a mortise and tenon (not shown) correspondingly combined with the tenon and mortise of the first stop 311. The present invention is not limited to the positions, numbers, etc. of the mortise and tenon joint members, and will be described in advance herein.

Next, please refer to fig. 5, which is a schematic cross-sectional view of the first embodiment of the electrical connector structure of the present invention, and refer to fig. 2 to 4, as shown in the drawings:

in assembling, firstly, the first stopper 311 and the second stopper 312 clamp the circuit board body 21 through the first clamping portion G1 and the second clamping portion G2 on both sides, and the first stopper 311 and the second stopper 312 are combined through the tenon member F1 and the mortise member F2 on both sides, so as to combine the stopper body 13 on the circuit board body 21.

Then, the circuit board body 21 combined with the limiting block body 13 is inserted into the limiting slot 13 until the terminal unit 22 is inserted into the terminal slot 12 of the housing 10, and the limiting block body 31 interferes with the limiting slot 13 to limit the radial deviation of the circuit board body 21, so as to achieve the effect of positioning the circuit board body 21. Moreover, when the terminal unit 22 is inserted into the terminal slot 12 of the housing 10, the two sides of the circuit board body 21 are inserted into the grooves 113 formed on the two sides of the housing body 11, which provides the function of assisting to limit the radial offset and the rotational offset of the circuit board body 21.

This creation utilizes this circuit board spacing unit 30 to clamp the circuit board body 21 that sets up in this shell 10, in order to shorten the equipment man-hour through simplifying the assembling process to and avoid the colloid to permeate this electric connector structure 100, reach and keep off gluey and waterproof effect, and restrict this circuit board body 21 radial offset and rotatory skew, promote the location effect of this circuit board body 21.

Please refer to fig. 6, which is an exploded view of a second embodiment of the electrical connector structure of the present invention, as shown in the figure:

the present embodiment is different from the previous embodiment in the kind of implementation of the terminal unit and the terminal groove form of the housing, and other structures are completely the same as the previous embodiment, so the description of the same structures is not repeated, and it is described in advance here.

In the present embodiment, the terminal unit 22A is a USB c-type terminal, and the terminal slot 12A of the housing 10 is configured corresponding to the specification of the terminal unit 22A. As shown in fig. 6, at least one side of the terminal unit 22A has a positioning piece 222A inserted into the circuit board body 21, and a positioning groove 211A is disposed on the circuit board body 21 at a position corresponding to the positioning piece 222A. In another embodiment, the terminal unit 22 can be, for example, but not limited to, a positioning hole or a positioning pin (not shown) that is configured to contact the surface of the circuit board body 21 by the positioning piece 222A. The specific implementation of the terminal unit 22A disposed on the circuit board body 21 is not limited in this creation, and will be described in advance here.

Next, please refer to fig. 7 to 9 together, which are an exploded schematic view and a rear schematic view of a third embodiment of the electrical connector structure according to the present invention at different viewing angles, as shown in the following figures:

the present embodiment is different from the two previous embodiments in the implementation type of the terminal unit, the structural form of the terminal circuit board, and the structural form of the circuit board body clamped by the circuit board limiting unit, and the other structures are completely the same as the previous embodiment, so the description of the same structures is not repeated, and the description thereof will be described in advance.

In the present embodiment, the terminal unit 22B is a Display Port (DP), and the terminal slot 12B of the housing 10 is configured corresponding to the specification of the terminal unit 22B. As shown in fig. 7, the terminal unit 22B has positioning pieces 222B on both sides of one end thereof, respectively, and which sandwich one side of the circuit board body 21B. In another embodiment, the terminal unit 22B can be, for example but not limited to, a positioning hole or a positioning pin (not shown) that is configured to contact the surface of the circuit board body 21B by the positioning piece 222B. The specific implementation of the terminal unit 22B disposed on the circuit board body 21B is not limited in this creation, and will be described in advance here.

The circuit board limiting unit 30B includes a limiting block body 31B and a circuit board positioning gap 32B disposed on the limiting block body 31B, wherein the limiting block body 31B includes a first stopper 311B and a second stopper 312B, the second stopper 312B and the first stopper 311B are combined with each other, the first stopper 311B includes a first clamping portion G1B thereon, the second stopper 312B includes a second clamping portion G2B thereon, and the second clamping portion G2B and the first clamping portion G1B jointly form the circuit board positioning gap 32B. In the present embodiment, as shown in fig. 8, the first clamping portion G1B is disposed on the contact pads of the first stopper 311B, as shown in fig. 7, the second clamping portion G2B is disposed on the contact pads of the second stopper 312B, as shown in fig. 9, a distance is formed between the contact pads to form the circuit board positioning gap 32B. Regarding the size relationship between the circuit board positioning gap 32B and the circuit board body 21B, in a preferred embodiment, the first stopper 311B and the second stopper 312B tightly press the circuit board body 21B from both sides until the circuit board positioning gap 32B is equal to or smaller than the circuit board body 21B, so as to form a tight arrangement with the circuit board body 21B during assembly, thereby achieving the positioning, waterproof and adhesive blocking effects. In another implementation aspect, the circuit board positioning gap 32B is slightly larger than the circuit board body 21B, and a tolerance required for assembly is reserved in the circuit board positioning gap 32, so as to form a tight configuration with the circuit board body 21, wherein a waterproof adhesive is coated between the circuit board positioning gap 32B and the circuit board body 21B, thereby achieving the positioning and waterproof effects.

In this embodiment, the first stopper 311B is provided with a mortise and tenon component F1B, the second stopper 312B is provided with a mortise and tenon component F2B, the mortise and tenon component F2B is combined with the mortise and tenon component F1B, further, the second stopper 312B is further provided with a mortise and tenon component F3B (symmetrically arranged with the mortise and tenon component F2B on the second stopper 312B), the first stopper 311B is further provided with a mortise and tenon component F4B (symmetrically arranged with the mortise and tenon component F1B on the first stopper 311B), the mortise and tenon component F4B is combined with the mortise and tenon component F3B, so as to combine the first stopper 311B and the second stopper 312B. In another embodiment, one or more tenon members (not shown) are disposed on the first block 311B, and a mortise member (not shown) is disposed on the second block 312B for corresponding combination of the tenon members. The present invention is not limited to the positions, numbers, etc. of the mortise and tenon joint members, and will be described in advance herein.

In this embodiment, the tenon elements F1B, F3B and the mortise elements F2B and F4B are mutually assembled bumps and slots, the tenon elements F1B and F3B (bumps) correspond to and are slightly smaller than the mortise elements F2B and F4B (slots), and the assembly tolerance is reserved in the mortise elements F2B and F4B to tightly combine with the mortise elements F1B and F3B. In another embodiment, the tenon and mortise connectors for correspondingly combining the first stop 311B and the second stop 312B, such as but not limited to mutually assembled snap tabs and snap slots (not shown), or any other means or structures for achieving the same combination effect.

In this embodiment, one side of the first stopper 311B is provided with a receiving groove 3111B, one side of the second stopper 312B is provided with a receiving groove 3121B, and the receiving grooves together form an abdicating space for receiving and clamping the terminal unit 22B. Regarding the size relationship between the relief space and the terminal unit 22B, in a preferred embodiment, the relief space formed by the receiving slots is equal to or smaller than the terminal unit 22B, so as to form a close arrangement with the terminal unit 22B. In another embodiment, the clearance space formed by the receiving slots is slightly larger than the terminal unit 22B to reserve the tolerance required for assembly.

In this embodiment, the circuit board body 21B is provided with an assembling hole 211B corresponding to the tenon joints F1B and F3B for the circuit board body to pass through, so that the volume of the first stopper 311B and the second stopper 312B is effectively reduced while the circuit board body 21B is clamped and positioned by the circuit board positioning gap 32B. In another embodiment, the means or structure for correspondingly combining the first stopper 311B and the second stopper 312B is disposed outside the circuit board body 21B, and the process of punching the circuit board body 21B is omitted.

In this embodiment, the first stopper 311B and the second stopper 312B are respectively provided with protruding

strips

3112B and 3122B at the peripheries thereof, and the protruding

strips

3112B and 3122B contact the retaining slot 13 of the housing 10 to increase the waterproof effect. In another embodiment, the peripheries of the first stopper 311B and the second stopper 312B are equal to or larger than the position-limiting slot 13 of the housing 10, so as to form a tight configuration, thereby achieving the positioning and waterproof functions.

In this embodiment, the first stopper 311B and the second stopper 312B are clamped by the upper and lower sides of the circuit board body 21B, as shown in the position relationship between the first stopper 311B, the second stopper 312B and the circuit board body 21B in fig. 7. In another embodiment, the first stopper 311B and the second stopper 312B are clamped by the circuit board body 21 from the left and right sides (not shown), where the left and right sides are orthogonal to the upper and lower sides.

The terminal unit 22(HDMI terminal) of the first embodiment, the terminal unit 20A (USB c-type terminal) of the second embodiment, and the terminal unit 20B (Display Port, DP) of the third embodiment described in this disclosure can also be, for example, but not limited to, a USB a-type terminal, a USB B-type terminal, a USB c-type terminal, an RJ45, or other types of electrical connector terminals that can be implemented accordingly, which will be described in advance.

To sum up, this creation provides the spacing unit of circuit board of clamp system terminal circuit board, interferes through the spacing block body of the spacing unit of circuit board and the spacing slot of shell, by the radial skew of restriction terminal circuit board, promotes the location effect of terminal circuit board.

Claims

1. An electrical connector structure, comprising:

the shell comprises a shell body, a terminal groove arranged on one side of the shell body and a limiting slot arranged on the other side of the terminal groove, wherein a plurality of locking grooves are formed in the periphery of the shell body;

2. The electrical connector structure of claim 1, wherein the first holding portion is disposed in the groove of the first block, the second holding portion is disposed in the groove of the second block, the grooves together form a hole-shaped circuit board positioning gap, and the circuit board positioning gap is equal to or smaller than the circuit board body so as to form a tight arrangement with the circuit board body.

3. The electrical connector structure of claim 1, wherein the first holding portion is disposed on the contact lands of the first block, the second holding portion is disposed on the contact lands of the second block, a distance is formed between the contact lands to form the circuit board positioning gap, and the circuit board positioning gap is equal to or smaller than the circuit board body so as to form a tight arrangement with the circuit board body.

4. The electrical connector structure of claim 1, wherein a receiving groove is formed on one side of the first stop, a receiving groove is formed on one side of the second stop, the receiving grooves together form an abdicating space, and the abdicating space is equal to or smaller than the terminal unit so as to form a tight arrangement with the terminal unit.

5. The electrical connector structure as claimed in any one of claims 1 to 4, wherein the first stop is provided with a tenon, and the second stop is provided with a mortise for corresponding combination with the tenon.

6. The electrical connector structure as claimed in any one of claims 1 to 4, wherein the housing body is provided with a screw thread unit at an outer periphery thereof.

7. The electrical connector structure as claimed in any one of claims 1 to 4, wherein the number of the plurality of locking grooves is two or three.

8. The electrical connector structure as claimed in any one of claims 1 to 4, wherein a groove is respectively formed on both sides of the housing for allowing the two sides of the circuit board body to be inserted therein to limit the terminal circuit board to rotate around the center of the housing.

9. The electrical connector structure according to any one of claims 1 to 4, wherein an electrical connection port for connecting a wire core or a motherboard is disposed at one end of the circuit board body.

10. The electrical connector structure according to any one of claims 1 to 4, wherein the terminal unit is an HDMI terminal, a USB c-type terminal or a video interface.