CN219610823U - Electric connector plug - Google Patents

Abstract

The utility model belongs to the technical field of electrical equipment, and discloses a plug of a power conversion connector. The mounting shell is arranged on the plug shell and is detachably connected with the terminal assembly; the fixing piece penetrates through the mounting shell and is connected with the plug shell. The detection portion is arranged on the plug shell and is abutted against the mounting shell to detect extrusion force between the mounting shell and the plug shell. Therefore, whether the fixing piece is loosened or not is judged by detecting the extrusion force between the plug shell and the mounting shell, the possibility that the fixing piece falls off is reduced, and the mounting stability of the mounting shell is improved. The terminal assembly can be detachably connected to the mounting shell, so that the terminal assembly can be detached from the plug shell only by detaching the mounting shell, and therefore, the mounting stability of the mounting shell can be improved and the possibility that the electrical connector plug cannot normally operate can be reduced while the terminal assembly is rapidly detached.

Description

Electric connector plug

Technical Field

The utility model relates to the technical field of electrical equipment, in particular to a plug of an electrical replacement connector.

Background

The electrical change connector is a structure for connecting two devices, and generally comprises a plug, a socket and the like, and the electrical change connector is used for enabling current transmission or signal transmission between the two devices.

In the prior art, corresponding terminals are arranged in a plug at the battery end of the electric replacement connector, and the terminals are often fixed on the battery through fixing pieces such as screws.

There are two problems with this implementation: (1) The car body shakes in the running process, so that the screw on the plug at the battery end is loosened and falls into the socket, thereby causing short circuit and accidents; (2) The tightness state of the screw on the battery terminal plug can not be known, and the screw can not be found and maintained in time before the battery is installed.

Disclosure of Invention

The utility model aims to provide a power conversion connector socket, which solves the problems that in the use process of a terminal in the power conversion connector socket, the stability of the terminal is poor due to easy loosening of a screw, and the power conversion connector socket cannot normally operate.

To achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a power conversion connector plug, which comprises: plug shell, installation shell, mounting, detection portion. The mounting shell is arranged on the plug shell and is detachably connected with a terminal assembly; the fixing piece penetrates through the mounting shell and is connected with the plug shell so as to fix the mounting shell to the plug shell. The detection part is arranged on the plug shell and is abutted with the mounting shell so as to detect the extrusion force between the mounting shell and the plug shell.

Optionally, the electrical replacement connector plug further comprises: the detection protrusion is arranged on one side, close to the detection part, of the mounting shell, and one side, far away from the mounting shell, of the detection protrusion is abutted to the detection part.

Optionally, the electrical replacement connector plug further comprises: the connecting column is arranged on the plug shell, the detecting part is sleeved on the connecting column, and one end, far away from the installation shell, of the detecting protrusion is provided with a connecting hole for the insertion of the connecting column.

Optionally, the fixing piece is a loose screw, and the loose screw extends into the connecting hole and is in threaded connection with the connecting column.

Optionally, the detection part is a piezoelectric film.

Optionally, the fixing piece and the connecting column are both provided with a plurality of same quantity, the detection part is provided with one, and the detection part is sleeved on any connecting column.

Optionally, the number of the fixing pieces is three, and the three fixing pieces are distributed in the mounting block in a triangular shape.

Optionally, the terminal assembly includes: an insulating case mounted on the mounting case; and the terminal is inserted into the insulating shell.

Optionally, the insulating case includes: the front insulating cylinder is inserted on the mounting shell; the insulating plate is sleeved on the front insulating cylinder; and the rear insulating cylinder is arranged at one end of the insulating plate, which is far away from the front insulating cylinder.

Optionally, the electrical replacement connector plug further comprises: the waterproof sealing ring is arranged in the plug shell.

The utility model has the beneficial effects that:

the extrusion force between the installation shell and the plug shell can be detected in real time through the detection part, the extrusion force represents the interval between the installation shell and the plug shell, the interval is adjusted through the fixing piece, and when the interval is minimum, the fixing piece is installed most firmly, and then the extrusion force is also maximum. Therefore, whether the fixing piece is loosened or not is judged by detecting the extrusion force between the plug shell and the mounting shell, the possibility that the fixing piece falls off is reduced, and the mounting stability of the mounting shell is improved. The terminal assembly can be detachably connected to the mounting shell, so that the terminal assembly can be detached from the plug shell only by detaching the mounting shell, and therefore, the mounting stability of the mounting shell can be improved and the possibility that the electrical connector plug cannot normally operate can be reduced while the terminal assembly is rapidly detached.

Drawings

FIG. 1 is a schematic diagram of an exploded view of a header of a replacement electrical connector according to some embodiments of the present utility model;

FIG. 2 is a schematic view of a partially exploded view of a header of a replacement electrical connector according to some embodiments of the present utility model;

FIG. 3 is a partial cross-sectional view of a header of a power conversion connector in accordance with some embodiments of the present utility model;

FIG. 4 is a top view of a header of a power conversion connector in some embodiments of the utility model;

fig. 5 is a cross-sectional view of a header of a replacement connector in some embodiments of the utility model.

In the figure:

1. a mounting shell; 11. a fixing member; 12. a detection unit; 13. detecting the bulge; 14. a connecting column; 2. a terminal assembly; 21. an insulating case; 211. a front insulating cylinder; 212. an insulating plate; 213. a rear insulating cylinder; 22. a terminal; 221. a front terminal; 222. a rear terminal; 3. a plug housing; 30. a tail cover; 31. a housing seal ring; 32. a first waterproof seal ring; 33. a cable; 34. a second waterproof seal ring; 35. a guide post; 36. a third waterproof seal ring; 37. a fourth waterproof seal ring; 38. a signal terminal; 39. and a ground terminal.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus 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 utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The utility model provides a plug of a power-exchanging connector

Electric connector plug

Referring to fig. 1 and 2, the electrical connector plug includes a plug housing 3, a mounting case 1, a fixing member 11, and a detecting portion 12. The mounting shell 1 is mounted on the plug housing 3; the fixing member 11 is inserted into the mounting case 1 and connected to the plug housing 3 to fix the mounting case 1 to the plug housing 3. The detection portion 12 is provided on the plug housing 3 and abuts against the mounting case 1 to detect the pressing force between the mounting case 1 and the plug housing 3.

The electrical connector plug comprises a terminal assembly 2, a mounting shell 1 is sleeved on the terminal assembly 2, and the terminal assembly 2 can be detachably connected with a plug housing 3. And the mounting shell 1 is fixed to the plug housing 3 by means of the fixing member 11. The fixing member 11 is detachable so as to allow the mounting case 1 to be separated from the plug housing 3.

The detection unit 12 may be a pressure sensor or a distance sensor, and may be capable of detecting the distance between the mounting case 1 and the plug housing 3. The type of the specific detecting portion 12 may be designed according to the actual application scenario, and the present utility model is not limited thereto.

When the electrical connector plug is mounted, the mounting case 1 and the plug housing 3 are connected by the fixing member 11, and the detection portion 12 can detect the pressing force between the mounting case 1 and the plug housing 3 in real time. The magnitude of the pressing force indicates the distance between the mounting shell 1 and the plug housing 3, which distance is adjusted by the fastening element 11. When the distance is smallest, the fixing member 11 is most firmly installed, and the pressing force is largest. Therefore, when the pressing force satisfies the corresponding condition, it is possible to determine that the fixing member 11 is firmly installed, and similarly, when the pressing force is reduced and smaller than the corresponding condition, it is possible to determine that the fixing member 11 has been loosened. Therefore, whether the fixing piece 11 is loosened or not is judged through detection of the extrusion force between the plug housing 3 and the mounting shell 1, the possibility that the fixing piece 11 falls off is reduced, the mounting stability of the mounting shell 1 is ensured, and the stability of the plug of the electric-exchanging connector is improved. The terminal assembly 2 is detachably connected in the plug housing 3, so that the terminal assembly 2 can be detached from the plug housing 3 in a detachable manner, thereby satisfying the rapid detachment of the terminal assembly 2.

Referring to fig. 3, in some embodiments of the present utility model, the electrical connector plug further comprises a detection protrusion 13. The detection protrusion 13 is disposed on the mounting case 1 at a side close to the detection portion 12, and the detection protrusion 13 abuts against the detection portion 12 at a side far from the mounting case 1.

Specifically, the detecting protrusion 13 is in a boss shape and may be integrally formed with the mounting case 1, and its cross section may be circular or other polygonal shape. By providing the detection protrusion 13, the mounting case 1 can be kept in effective contact with the detection portion 12 at the time of mounting, ensuring that the detection portion 12 can detect corresponding data in real time.

In some embodiments of the present utility model, the electrical replacement connector insert further comprises a connection post 14. The connecting column 14 is arranged on the plug housing 3, the detecting part 12 is sleeved on the connecting column 14, and a connecting hole for inserting the connecting column 14 is formed in one end of the detecting protrusion 13 away from the mounting shell 1.

Specifically, the connection post 14 is cylindrical in shape, which is integrally formed with the plug housing 3. The cross-sectional area of the connecting column 14 is smaller than that of the detecting protrusion 13, and the detecting portion 12 is annular and is sleeved on the outer side wall of the connecting column 14, so that the detecting portion 12 can correspond to the end face of the detecting protrusion 13. The fixing member 11 and the connecting post 14 are each provided with the same number of several. In one embodiment, the number of the fixing pieces 11 is three, and the three fixing pieces 11 are distributed in the mounting shell 1 in a triangle shape. While in other embodiments the number of fixtures 11 and connection posts 14 may be designed according to the size of the mounting shell 1.

By providing the connection post 14, when the mounting case 1 is mounted, the connection post 14 is inserted into the detection protrusion 13, so that the detection protrusion 13 can be opposite to the detection portion 12, so that the detection portion 12 can smoothly detect corresponding data.

In some embodiments of the present utility model, the fixing member 11 is a loose screw, and the loose screw extends into the connecting hole and is in threaded connection with the connecting post 14. Specifically, the loose screw penetrates from the inner bottom wall of the mounting shell 1 and extends into the connecting hole, and a corresponding threaded hole is formed in the inner side of the connecting column 14 so as to be in threaded connection with the loose screw. Through wearing to establish in detecting protruding 13 and spliced pole 14 with the non-taking off screw, when the non-taking off screw takes place not hard up, detect the extrusion force between protruding 13 and the spliced pole 14 and will produce the change, thereby corresponding data is detected fast to detection portion 12 to this sensitivity that has effectively improved the detection.

In some embodiments of the present utility model, the detection portion 12 is a piezoelectric film. Specifically, only one piezoelectric film is provided, and the position of the piezoelectric film is mounted on one of the connection posts 14 according to actual conditions. When a certain loose screw is not loosened, the mounting shell 1 can deviate, the extrusion force applied to the piezoelectric film can change, so that the detection sensitivity can be further improved, and the condition that whether the loose screw is loosened is reflected more rapidly.

Referring to fig. 1 and 2, in some embodiments of the present utility model, a terminal assembly 2 includes an insulating housing 21 and a terminal 22. The insulating housing 21 is mounted on the mounting housing 1, and the terminals 22 are inserted into the insulating housing 21.

Specifically, the insulating housing 21 is detachably connected to the mounting housing 1 by plugging, and the mounting housing 1 is detachably connected to the plug housing 3 by the fixing member 11, and the terminals 22 are inserted into the insulating housing 21. Therefore, when the terminal 22 is detached, the mounting shell 1 can be separated from the plug housing 3 only by detaching the fixing piece 11, and the corresponding insulating shell 21 and the terminal 22 can be separated from the plug housing 3 along with the mounting shell 1, so that the terminal 22 can be quickly detached.

It should be understood that the plug of the electrical replacement connector is correspondingly adapted to the socket of the electrical replacement connector, so that the terminal assembly 2 of the plug corresponds to the terminal structure of the socket, and the quick-dismantling structure of the terminal in the electrical replacement connector can also be suitable for quick-dismantling the terminal structure in the socket of the electrical replacement connector, which is only required to be correspondingly arranged according to the position and the size of the terminal structure in the socket of the electrical replacement connector, and will not be described in detail in this embodiment.

In some embodiments of the utility model, the electrical replacement connector insert further comprises a waterproof gasket. The waterproof sealing ring is arranged in the plug housing 3.

Specifically, a plurality of waterproof sealing rings may be provided, which are respectively provided at the connection positions of a plurality of structures of the plug housing 3, and the number and positions of the specific waterproof sealing rings may be designed according to the configuration of the plug housing 3.

Referring to fig. 4 and 5, in this embodiment, a housing seal ring 31 may be bonded to the outer side wall of the plug housing 3. The lower end of the plug housing 3 is fixedly connected with a tail cap 30 through a screw, and a first waterproof sealing ring 32 is arranged at the joint of the tail cap and the plug housing. The plug housing 3 and the tail cap 30 are made of metal materials, the cable 33 is inserted into one end, far away from the plug housing 3, of the tail cap 30, one end, inserted into the tail cap 30, of the cable 33 is connected with the terminal 22, and meanwhile, a second waterproof sealing ring 34 is arranged between the tail cap 30 and the cable 33. In order to facilitate the plug-in fit between the plug and the socket, two guide posts 35 may be disposed on the end face of the plug housing 3, which are respectively located at two sides of the installation shell 1, and correspondingly, structures such as guide holes or guide cylinders that are slidably matched with the guide posts 35 are also disposed on the floating body.

Referring to fig. 1 and 5, the insulating case 21 includes a front insulating cylinder 211, an insulating plate 212, and a rear insulating cylinder 213, which are sequentially coupled. The upper end of the front insulating cylinder 211 extends into the mounting case 1 through the bottom wall of the mounting case 1, and the lower end thereof extends into the plug housing 3 through the mounting case 1. The insulating plate 212 is disposed below the mounting case 1 and is sleeved with the lower end of the front insulating cylinder 211, the upper end of the rear insulating cylinder 213 is sleeved with the lower end of the insulating plate 212, and the lower end of the rear insulating cylinder is inserted with the cable 33. A third watertight gasket 36 may also be provided between the insulating plate 212 and the plug housing 3.

Referring to fig. 1 and 5, the terminal 22 includes a front terminal 221 and a rear terminal 222. The front terminals 221 are for mating with a floating body in the receptacle. The upper end of the front terminal 221 is inserted into the front insulating cylinder 211, and the lower end of the front terminal 221 is inserted into the insulating plate 212. The upper end of the rear terminal 222 extends into the insulating plate 212 and is inserted into the lower end of the front terminal 221, and the lower end of the rear terminal 222 extends into the rear insulating cylinder 213 and is connected to the cable 33 inserted into the rear insulating cylinder 213. A fourth waterproof gasket 37 may be provided between the rear terminal 222 and the insulating plate 212.

As shown in fig. 4, the plug housing 3 is further provided with a signal terminal 38 and a ground terminal 39, and when connected to the mounting case 1, corresponding sealing rings may be provided to ensure good waterproof performance.

Through set up many waterproof sealing circle in plug shell 3 for the gap between each structure of plug all can be by effective shutoff, thereby has ensured the holistic waterproof performance of plug. And when setting up, only need to process the slotted hole in corresponding position department or directly fix through the mode of bonding, can accomplish the setting of waterproof sealing, its course of working is simple and convenient, need not carry out extensive change to the original structure of plug, is favorable to guaranteeing that the plug can also keep the simple and reliable of original structure after addding waterproof sealing.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. A replacement electrical connector plug, comprising:

a plug housing (3);

the mounting shell (1) is arranged on the plug shell (3), and the mounting shell (1) is detachably connected with the terminal assembly (2);

the fixing piece (11) is arranged in the mounting shell (1) in a penetrating mode and is connected with the plug shell (3) in a penetrating mode so as to fix the mounting shell (1) on the plug shell (3); and

and a detection unit (12) which is provided on the plug housing (3) and which is in contact with the mounting case (1) so as to detect the pressing force between the mounting case (1) and the plug housing (3).

2. The electrical replacement connector plug of claim 1, further comprising:

the detection protrusion (13) is arranged on one side, close to the detection portion (12), of the mounting shell (1), and one side, away from the mounting shell (1), of the detection protrusion (13) is abutted to the detection portion (12).

3. The electrical replacement connector plug of claim 2, further comprising:

the connecting column (14) is arranged on the plug housing (3), the detecting part (12) is sleeved on the connecting column (14), and one end, far away from the mounting shell (1), of the detecting protrusion (13) is provided with a connecting hole for the connecting column (14) to be inserted.

4. A plug for an electrical replacement connector according to claim 3, wherein the fixing member (11) is a loose screw which extends into the connection hole and is screwed with the connection post (14).

5. The electrical replacement connector plug according to any one of claims 1 to 4, wherein the detection portion (12) is a piezoelectric film.

6. The electrical connector plug according to claim 3 or 4, wherein the fixing member (11) and the connecting posts (14) are provided with a plurality of same numbers, the detecting portion (12) is provided with one detecting portion, and the detecting portion (12) is sleeved on any connecting post (14).

7. The electrical replacement connector plug according to claim 6, wherein the number of fixing members (11) is three, and three fixing members (11) are distributed in a triangle shape in the mounting case (1).

8. The electrical replacement connector plug according to any one of claims 1 to 4, wherein the terminal assembly (2) comprises:

an insulating case (21) mounted on the mounting case (1); and

and a terminal (22) inserted into the insulating shell (21).

9. The electrical replacement connector plug according to claim 8, wherein the insulating housing (21) comprises:

a front insulating cylinder (211) which is inserted on the installation shell (1);

an insulating plate (212) sleeved on the front insulating cylinder (211); and

and a rear insulating cylinder (213) mounted at one end of the insulating plate (212) away from the front insulating cylinder (211).

10. The electrical replacement connector plug of claim 1, further comprising:

the waterproof sealing ring is arranged in the plug shell (3).