CN220042425U - Female connectors and connector components - Google Patents

Abstract

The utility model discloses a female terminal connector and a connector assembly, wherein the female terminal connector and the male terminal connector are plug-fitted along a first direction and include a female terminal shell, a conductive plug sleeve and an elastic member; The conductive plug sleeve is movably arranged inside the first housing along the first direction, and is used for connecting and conducting conduction with the conductive pin of the male connector when the male connector is plugged into the female connector; the elastic member acts elastically on the conductive plug sleeve to drive the conductive plug sleeve to elastically contact the conductive pin when the male connector is plugged into the female connector; the female connector provided by the utility model realizes elastic contact through the elastic member, which can increase the number of female connectors. The stability and reliability of the contact between the end connector and the male connector can extend the service life of the corresponding connector components, and can be intermatched with conventional male connectors, thus having good versatility.

Description

Female connectors and connector components

Technical field

The utility model relates to the technical field of photovoltaic connectors, and in particular to a female terminal connector and a connector assembly.

Background technique

Photovoltaic connector components are important components of the photovoltaic system. They are used to realize current transmission and conduction at the photovoltaic component end. Its reliability has a direct impact on the power generation at the component end. In the prior art, as shown in Figure 1, the electrical connection structure of the connector assembly usually includes a female end sleeve 100', a male end pin 200', and a drum spring 300' disposed between the two. During the specific connection, , the male end pin 200' is inserted into the female end plug sleeve 100', and electrical conduction between the male end pin 200' and the female end plug sleeve 100' is achieved by squeezing the drum spring 300'.

The inventor found that the existing technical design has the following problems: first, when the current is transmitted, it needs to pass through the female terminal sleeve 100', the drum spring 300' and the male terminal pin 200' in sequence. There are two contact points during the transmission process, and the contact resistance Higher, this will increase power generation losses and reduce the power output of photovoltaic modules, thereby affecting the installed capacity of the entire photovoltaic system; secondly, media transmission will increase the unreliability of the contact. The drum spring 300' is usually made of beryllium copper, which will affect the long-term performance of the photovoltaic system. During use, current aging is likely to occur, resulting in loss of elastic properties. If the contact is poor, the local temperature may rise too high, which may easily cause the connector components to burn, causing damage to the photovoltaic system's power generation.

In view of this, it is necessary to provide an improved female connector and connector assembly to solve the above problems.

Utility model content

In order to achieve the above object of the utility model, a female terminal connector and a connector assembly are provided.

In order to solve the above technical problems, the present utility model adopts the following technical solutions:

A female connector defines a first direction for plugging and mating with a male connector, and includes: a female housing, a conductive plug sleeve and an elastic member; the conductive plug sleeve is movable along the first direction It is arranged inside the female end housing and is used for connecting and conducting conduction with the conductive pin of the male end connector when the male end connector is plugged into the female end connector; the elastic member elastically acts on the on the conductive plug sleeve, so as to drive the conductive plug sleeve to elastically contact the conductive pin when the male connector is plugged into the female connector.

Further, the elastic member is a spring sleeved outside the conductive plug sleeve. The spring includes a first end close to the male connector and a first end away from the male connector when the male connector is plugged into the female connector. The second end of the male connector, wherein the first end is fixedly arranged relative to the conductive plug sleeve, and the second end is fixedly arranged relative to the female end housing.

Furthermore, the female connector further includes a limiting collar fixed on the peripheral side of the conductive plug sleeve, and the first end is in contact with the limiting collar.

Furthermore, the female connector further includes a limiting collar fixed on the circumferential side of the conductive plug sleeve and a pressure ring sleeved on the outside of the conductive plug sleeve. The pressure ring abuts on the limiting clamp. between the loop and the first end.

Further, the female end connector further includes a cable binding part disposed in the female end housing, the cable binding part is used to fix the conductive wire electrically connected to the conductive plug sleeve, and the second The end is abutted against the cable binding part.

Further, the female end housing includes a plug part and a back cover part. The plug part is formed with a butt hole for the conductive pin of the male end connector to be inserted to connect and conduct with the conductive plug sleeve. The back cover part The plug part is threaded and formed with a threading hole for the conductive wire to pass through, and the cable fixing part is in contact with the back cover part.

Further, the conductive plug sleeve includes a contact cap for mating with the conductive pin of the male connector, and a bump structure is provided on the surface of the contact cap.

A connector assembly includes: a male end connector, the male end connector includes a conductive pin; the connector assembly also includes the above-mentioned female end connector, the female end connector is connected to the male end connector. The end connector is plug-fitted along the first direction to connect and conduct the conductive pin and the conductive sleeve.

Furthermore, the connector assembly further includes a snap-in mechanism that locks the positional relationship between the female connector and the male connector after they are plugged and fitted in place.

The utility model also provides a receptacle connector, which includes: a receptacle housing, a conductive plug sleeve contained in the receptacle housing, and an elastic member acting on the conductive plug sleeve. One end of the elastic member elastically abuts on the conductive plug sleeve so that the conductive plug sleeve is movably accommodated in the female terminal housing.

The beneficial effects of the utility model are: based on the specific structure of the female connector provided by the utility model, the elastic contact realized by the elastic member can increase the stability and reliability of the contact between the female connector and the male connector, and can Extend the service life of the corresponding connector assembly; the female connector provided by the utility model can be matched with the conventional male connector and has good versatility; in addition, the connector assembly involved in the utility model eliminates the drum spring The structure can effectively simplify the assembly process and improve assembly efficiency, and the anti-drum spring structure is equivalent to reducing medium transmission, reducing contact resistance, and also avoiding the risk of material failure caused by current aging in the existing technology.

Description of the drawings

Figure 1 shows a schematic diagram of the electrical connection structure of a connector assembly in the prior art;

Figure 2 shows a schematic assembly diagram of the connector assembly according to the preferred embodiment of the present invention;

Figure 3 shows a schematic diagram of the connector assembly shown in Figure 2 before assembly;

Figure 4 shows a schematic diagram of the structure shown in Figure 3 from another angle;

Figure 5 shows a schematic longitudinal cross-section of the structure shown in Figure 3;

Figure 6 shows a schematic longitudinal cross-section of the structure shown in Figure 2;

Figure 7 shows a schematic longitudinal cross-section of the female connector;

Figure 8 shows an exploded view of the receptacle connector with the receptacle housing removed;

Figure 9 shows a schematic structural diagram of some components in Figure 8 after assembly;

Figure 10 shows a schematic structural diagram of all components in Figure 8 after assembly.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

Please refer to FIGS. 2 to 10 . The connector assembly of the present invention includes a female connector 100 and a male connector 200 . The two connectors are plugged together along the first direction to connect the conductive pins 22 . With conductive plug sleeve 12. Those skilled in the art can understand that in the structure shown in the figure, the first direction corresponds to the axial direction of the female connector 100 and the male connector 200 , that is, the insertion direction of the two.

The utility model mainly improves the female end connector 100 so that it can be matched with the conventional male end connector and has better versatility.

Preferably, please refer to FIGS. 2 to 7 . The male connector 200 generally includes a male housing 21 and a conductive pin 22 fixed inside the male housing 21 . The male housing 21 includes a front housing 211 and a rear housing 212 threaded to the rear end of the front housing 211. The front housing 211 is formed with a receiving chamber for the conductive pins 22 to be exposed on the side mated with the female connector 100. Strong 2110; the rear shell 212 is provided with a through hole for connecting the male conductive wire 20 to the inside of the male shell 21, and is connected to the rear end of the male conductive wire 20 and the conductive pin 22 inside the male shell 21. Sexual connections are fixed. During specific implementation, the male connector 200 may further include a cable fixing portion 23 disposed inside the male housing 21 for binding the male conductive wire 20 .

Of course, the male connector 200 is not limited to the structure shown in the figure, and may also have the same structure as the prior art. The female connector 100 will be described in detail below in conjunction with the structure of the male connector 200 .

Referring to Figures 2 to 7, a receptacle connector 100 according to a preferred embodiment of the present invention is shown, which includes: a receptacle housing 11, a conductive plug sleeve 12 accommodated in the receptacle housing 11, The elastic member 13 on the plug sleeve 12 has one end of the elastic member 13 elastically abutting the conductive plug sleeve 12 so that the conductive plug sleeve 12 can be movably received in the female terminal housing 11 .

Among them, the conductive plug sleeve 12 is movably disposed inside the female end housing 11 along the first direction, and is used for contacting the conductive pins 22 of the male end connector 200 when the male end connector 200 is inserted into the female end connector 100 . The connection is conducted; the elastic member 13 elastically acts on the conductive plug sleeve 12 to drive the conductive plug sleeve 12 to elastically contact the conductive pin 22 when the male connector 200 is plugged into the female connector 100 .

The utility model realizes elastic contact through the elastic member 13, which can increase the stability and reliability of the contact between the female connector 100 and the male connector 200, that is, the contact between the conductive pin 22 and the conductive sleeve 12 is more stable. Extends the service life of corresponding connector components. In addition, compared with the prior art, the connector assembly involved in the present utility model eliminates the spring structure, which can effectively simplify the assembly process and improve the assembly efficiency. The elimination of the spring structure is equivalent to reducing medium transmission and can reduce contact impedance. The risk of material failure caused by current aging in the existing technology can be avoided.

Referring further to FIG. 8 , the elastic member 13 involved in this specific embodiment is a spring set outside the conductive plug sleeve 12 . The spring includes a spring close to the male connector 200 when the male connector 200 is plugged into the female connector 100 . A first end 131 of the male connector 200 and a second end 132 remote from the male connector 200 . In the assembled receptacle connector 100 , as shown in FIGS. 7 and 8 , the first end 131 is fixedly arranged relative to the conductive insert 121 , and the second end 132 is fixedly arranged relative to the female end housing 11 .

Those skilled in the art can understand that in the present utility model, the first end 131 is fixedly arranged relative to the conductive plug sleeve 121, which means that after the female connector 100 is assembled and formed, the first end 131 has a certain position relative to the conductive plug sleeve 121. The positional relationship between the two does not necessarily form a mechanical connection; accordingly, the fixed arrangement of the second end 132 relative to the female terminal housing 11 also refers to the fact that after the female terminal connector 100 is assembled and formed, the second end 132 is relatively fixed to the female terminal housing 11 The body 11 has a certain positional relationship and does not necessarily form a mechanical connection between them.

In some specific embodiments of the present invention, as shown in FIGS. 8 , 9 , and 10 , the female connector 100 further includes a limiting collar 14 fixed on the circumferential side of the conductive plug sleeve 12 and a sleeve set on the conductive plug sleeve 12 . The pressure ring 15 outside the sleeve 12 , wherein the pressure ring 15 abuts between the limiting collar 15 and the first end 131 of the spring 13 .

Based on the implementation structures shown in FIGS. 8 , 9 , and 10 , during the process of plugging the male connector 200 into the female connector 100 , the conductive pins 22 of the male connector 200 first contact the female connector 100 The conductive plug sleeve 12, as the mating depth of the male connector 200 and the female connector 100 further increases, the conductive pins 22 will push the conductive plug sleeve 12 to move, and the limiting collar 14 is fixed to the conductive pins 22 It will also move synchronously, thereby pushing the pressure ring 15 to move. The moving pressure ring 15 acts on the first end 131 of the spring to drive the spring to shrink. The shrinking spring will generate a rebound force that drives the conductive plug sleeve 12 to make elastic contact with the conductive plug sleeve 12 .

It can be understood that in some specific embodiments of the present invention, the pressure ring 15 in the structure shown in Figures 8, 9, and 10 can also be eliminated, that is, the limiting collar 14 can directly act on the first end of the spring. 131. Of course, in other embodiments, the pressure ring 15 in the structure shown in Figures 8, 9, and 10 can also be mechanically connected to the limiting collar 14 to form a relatively fixed relationship.

In the illustrated embodiment of the present invention, the female connector 100 further includes a cable binding portion 16 disposed in the female housing 11 . The cable binding portion 16 is used to fix the female connector electrically connected to the conductive plug sleeve 12 . The second end 132 of the spring contacts the cable binding portion 16 .

During the specific implementation process, the end of the conductive plug sleeve 12 is provided with a wiring portion 122 , and the female end conductive wire 10 is fixed to the wiring portion 122 to realize the electrical connection between the female end conductive wire 10 and the conductive plug sleeve 12 . Usually, the wiring portion 122 A fixed connection is achieved with the female end conductive wire 10 through press fit deformation. In the present invention, the fixed connection between the male-end conductive wire 20 and the conductive pin 22 can also refer to the connection and fixation method between the female-end conductive wire 10 and the conductive plug sleeve 12 .

Further, referring to FIG. 7 , in this specific embodiment, the female end housing 11 includes a plug part 111 and a back cover part 112 . The plug part 111 is formed with a conductive pin 22 for the male end connector 200 to be inserted to connect with the plug part 111 . The conductive plug sleeve 12 is connected to the conductive butt hole 1110. The back cover part 112 is threaded to the plug part 111 and is formed with a threading hole 1120 for the female end conductive wire 10 to pass through. The cable fixing part 16 is abutted against the back cover part 112. .

Usually, before the female connector 100 and the male connector 200 are plugged and mated, the plug portion 111 and the back cover portion 112 of the female housing 11 have been screwed into place through threaded fit. Since the cable fixing portion 16 has As a result, the displacement of the receptacle conductive wire 10 in the receptacle housing 11 is between 1 mm and 2 mm. At this time, the displacement margin of the conductive plug sleeve 12 is designed to be between 1 mm and 2 mm. In this way, in some application scenarios where greater contact force needs to be formed between the conductive plug sleeve 12 and the conductive pins 22 , the back cover 112 can be loosened from the plug portion 111 first, and the female end of the female end shell 11 can be removed. The displacement of the terminal conductive wire 10 increases. After the female connector 100 and the male connector 200 are plugged in and mated in place, the back cover 112 is tightened to the plug 111 .

In some embodiments of the present invention, as shown in FIG. 10 , the conductive plug sleeve 12 includes a contact cap 121 for docking with the conductive pins 22 of the male connector 200 . Further preferably, the contact cap 121 is provided with bumps on its surface. Structure1210. Among them, the contact cap 121 can ensure the contact area between the conductive plug sleeve 12 and the conductive pin 22, and the bump structure 1210 provided on the surface of the contact cap 121 can destroy the surface coating of the conductive pin 22, further enhancing the connection between the conductive plug sleeve 12 and the conductive pin 22. The electrical conductivity between pins 22.

In the present utility model, in order to ensure that the female connector 100 and the male connector 200 can be stably connected and not fall off after they are plugged together, the connector assembly also includes a plug-fit between the female connector 100 and the male connector 200. The snap-in mechanism locks the positional relationship between the two after they are in place. Referring to FIGS. 1 and 2 , in this specific embodiment, the snap-in mechanism includes an elastic hook 110 provided on the female connector 100 and a snap-fit hook 110 provided on the male connector 200 . The snap-fitting part 110 includes a snap-fitting hole for the elastic hook 110 to be inserted into place to form a snap-fit.

In addition, in order to ensure that the female connector 100 and the male connector 200 form a better sealing relationship after they are plugged and matched in place, as shown in FIGS. 3, 5, and 6, at least a portion of the plug portion 111 of the female connector 100 is It can be inserted into the receiving strong point 2110 of the male connector 200. The plug part 111 can be inserted into the receiving strong point 2110. A groove is formed on the peripheral side of the part, and a sealing ring 17 is set in the groove. Based on this design, when the female After the end connector 100 and the male end connector 200 are plugged and matched in place, the outside of the sealing ring 17 abuts against the inner wall of the receiving member 2110 , thereby forming a sealed connection between the female end housing 11 and the male end housing 21 .

The female connector 100 of the present invention can be used in photovoltaic systems.

It should be understood that although this specification is described in terms of implementations, not each implementation only contains an independent technical solution. This description of the specification is only for the sake of clarity. Persons skilled in the art should take the specification as a whole and understand each individual solution. The technical solutions in the embodiments can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

The series of detailed descriptions listed above are only specific descriptions of feasible implementations of the present utility model. They are not intended to limit the protection scope of the present utility model. Any equivalents that do not deviate from the technical spirit of the present utility model All implementations or changes should be included in the protection scope of the present utility model.

Claims (10)

1. A female connector that is plug-fitted with a male connector along a first direction, characterized in that the female connector includes: a female housing, a conductive plug sleeve and an elastic member; the conductive plug The sleeve is movably disposed inside the female end housing along the first direction to connect and conduct with the conductive pins of the male end connector when the male end connector is plugged into the female end connector; The elastic member elastically acts on the conductive plug sleeve to drive the conductive plug sleeve to elastically contact the conductive pin when the male connector is plugged into the female connector. 2. The female connector according to claim 1, characterized in that the elastic member is a spring sleeved outside the conductive plug sleeve, and the spring is included when the male connector is plugged into the female connector. The terminal connector has a first end close to the male connector and a second end far away from the male connector, wherein the first end is fixedly arranged relative to the conductive plug, and the second end is relative to the The female end shell is fixedly set. 3. The female connector according to claim 2, wherein the female connector further includes a limiting collar fixed on the peripheral side of the conductive plug sleeve, and the first end is abutted against the conductive plug sleeve. The limit clamp ring is described. 4. The female connector according to claim 2, characterized in that the female connector further includes a limiting collar fixed on the peripheral side of the conductive plug sleeve and a sleeve sleeved on the outside of the conductive plug sleeve. A pressure ring abuts between the limiting collar and the first end. 5. The receptacle connector according to claim 2, wherein the receptacle connector further includes a cable binding part disposed in the receptacle housing, and the cable binding part is used to fix the electrical cable. The second end is electrically connected to the conductive wire of the conductive plug sleeve, and the second end is in contact with the cable binding part. 6. The receptacle connector according to claim 5, wherein the receptacle housing includes a plug portion and a back cover portion, the plug portion is formed with conductive pins for the male connector to be inserted to connect with the receptacle. The conductive plug sleeve is connected to a conductive butt hole, the back cover is threadedly fitted to the plug part and is formed with a threading hole for the conductive wire to pass through, and is provided inside the male end connector for binding the male end conductive wire. The cable fixing part is in contact with the back cover part. 7. The female connector according to any one of claims 1 to 6, wherein the conductive plug sleeve includes a contact cap for mating with the conductive pin of the male connector, and the surface of the contact cap is provided with bump structure. 8. A connector assembly, comprising: a male connector, the male connector including conductive pins; characterized in that, the connector assembly further includes a female connector as claimed in any one of claims 1 to 7. terminal connector, the female connector and the male connector are plug-fitted along the first direction to connect and conduct the conductive pin and the conductive sleeve. 9. The connector assembly according to claim 8, characterized in that the connector assembly further includes a clip for locking the positional relationship between the female end connector and the male end connector after they are plugged into place. contact the organization. 10. A receptacle connector, characterized in that it includes: a receptacle housing, a conductive plug sleeve contained in the receptacle housing, and an elastic member acting on the conductive plug sleeve, one end of the elastic member elastically abuts on the conductive plug sleeve so that the conductive plug sleeve is movably accommodated in the female terminal housing.