CN219917729U

CN219917729U - Photovoltaic mc4 connector locking wire device

Info

Publication number: CN219917729U
Application number: CN202321454473.XU
Authority: CN
Inventors: 徐乐常
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-06-08
Filing date: 2023-06-08
Publication date: 2023-10-27
Anticipated expiration: 2033-06-08

Abstract

The utility model discloses a photovoltaic mc4 connector locking wire device, which belongs to the technical field of connector locking wires and comprises a female end shell, a male end shell, a female terminal, a male terminal, a first nut and a second nut, wherein the female end shell is inserted into the male end shell, the female terminal and the male terminal are respectively positioned between the female end shell and the male end shell, locking structures are arranged on the female end shell and the male end shell, circular placing grooves are arranged on the locking structures, locking hook bosses are formed in the locking structures, waterproof rings are arranged in the circular placing grooves, and the first nut and the second nut are respectively connected onto the female end shell and the male end shell in a threaded manner.

Description

Photovoltaic mc4 connector locking wire device

Technical Field

The utility model belongs to the technical field of connector locking, and particularly relates to a photovoltaic mc4 connector locking device.

Background

Photovoltaic power generation is a technology that uses the photovoltaic effect of a semiconductor interface to directly convert light energy into electrical energy. The solar energy power generation system mainly comprises three parts of a solar panel (assembly), a controller and an inverter, wherein the main parts are composed of electronic components. The solar cells are packaged and protected after being connected in series to form a large-area solar cell module, and then the solar cell module is matched with components such as a power controller and the like to form the photovoltaic power generation device.

Terminals are typically used in photovoltaic power generation to connect wires. From the structural point of view, the photovoltaic connectors are mainly divided into male connectors and female connectors for docking with the male connectors; the connector is a part of a circuit for connecting a plurality of solar cell modules into a system, namely a relatively normal wiring terminal, or a quick connector, which can be plugged and connected at any time, and a locking structure is needed to be used for sealing a joint gap in the use process of the photovoltaic connector, so that a connecting wire on the connector is needed to be locked when the photovoltaic connector is used, and the two connecting wires are connected and locked. After the cable is connected to the connector or junction box, it is then locked by a nut.

However, there is a problem in the prior art that when the waterproof ring is locked by the nut, the existing locking wire device is separated between the housing locking structures, and when the waterproof ring is locked, the waterproof ring is loosened in the locking structure along with the increase of the service time, so that the problem that the service life is affected due to poor contact between the sealing ring and the photovoltaic wire is caused.

Disclosure of Invention

The embodiment of the utility model provides a photovoltaic mc4 connector locking device, which aims to solve the problems in the prior art.

The embodiment of the utility model adopts the following technical scheme: the utility model provides a photovoltaic mc4 connector locking wire device, includes female end casing, public end casing, female terminal, public terminal, first nut and second nut, female end casing is pegged graft in public end casing and can dismantle between female end casing and the public end casing and be connected, female terminal and public terminal are located respectively between female end casing and the public end casing, and peg graft the cooperation between female terminal and the public terminal, all be equipped with locking structure on female end casing and the public end casing, be equipped with circular standing groove on the locking structure, circular standing groove forms the latch hook boss in locking structure, be equipped with waterproof circle in the circular standing groove, first nut and second nut threaded connection respectively on female end casing and public end casing, and first nut and the locking structure of second conflict lock to the connector wire rod.

Further, the locking structure comprises a locking claw, the circular placing groove is located on the inner wall of the locking claw, and the waterproof ring is located in the circular placing groove and is abutted to the side wall of the lock hook boss.

Furthermore, inclined planes are arranged in the first screw cap and the second screw cap.

Further, the female end shell and the male end shell are respectively provided with a thread groove, and the first screw cap and the second screw cap are respectively connected with the thread grooves of the female end shell and the male end shell in a threaded manner.

Further, two elastic clamping blocks are arranged on the female end shell, and clamping grooves which are clamped with the two elastic clamping blocks are formed in the male end shell.

The above at least one technical scheme adopted by the embodiment of the utility model can achieve the following beneficial effects:

when the photovoltaic wires are locked, the two photovoltaic wires needing to be locked are respectively sleeved on the female terminal and the male terminal, the two photovoltaic wires driving the female terminal and the male terminal respectively penetrate through the female terminal shell and the male terminal shell, the female terminal and the male terminal are clamped, the two photovoltaic wires are connected, the female terminal shell is clamped on the male terminal shell, after the photovoltaic wires are connected, the first screw cap and the second screw cap are respectively connected onto the female terminal shell and the male terminal shell, inclined planes of the first screw cap and the second screw cap are in locking process, locking claws of the locking structures are forced to shrink towards the center, the locking hook bosses of the locking claws simultaneously lock wires while compressing the waterproof rings, the outer surfaces of the wires are compressed, and rotation and serial movement of the wires are avoided.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a perspective view showing a split structure according to the present utility model;

FIG. 3 is a split view of a three-dimensional structure according to the present utility model;

FIG. 4 is a schematic view of a partial perspective structure in the present utility model;

FIG. 5 is a perspective cross-sectional view of a first nut or a second nut according to the present utility model;

reference numerals

Female end housing 1, male end housing 2, female terminal 3, male terminal 4, first nut 5, second nut 6, locking structure 7, locking claw 8, circular standing groove 9, latch hook boss 10, inclined plane 11, thread groove 12, elastic fixture block 13, draw-in groove 14, waterproof circle 15.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to specific embodiments of the present utility model and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The following describes in detail the technical solutions provided by the embodiments of the present utility model with reference to the accompanying drawings.

Referring to fig. 1 to 5, an embodiment of the present utility model provides a photovoltaic mc4 connector locking wire device, which includes a female housing 1, a male housing 2, a female terminal 3, a male terminal 4, a first nut 5 and a second nut 6, where the female housing 1 is inserted into the male housing 2 and detachably connected between the female housing 1 and the male housing 2, the female terminal 3 and the male terminal 4 are respectively located between the female housing 1 and the male housing 2, and the female terminal 3 and the male terminal 4 are in an inserted fit, locking structures 7 are respectively provided on the female housing 1 and the male housing 2, circular placing grooves 9 are provided on the locking structures 7, lock hook bosses 10 are formed in the locking structures 7 by the circular placing grooves 9, a waterproof ring 15 is provided in the circular placing grooves 9, the first nut 5 and the second nut 6 are respectively connected on the female housing 1 and the male housing 2 in a threaded manner, and the first nut 5 and the second nut 6 are in a contact with the locking structures 7 to lock the connector, and the waterproof ring is not affected by the waterproof ring 15 after the waterproof ring is separated from the prior art, and the waterproof ring is not loosened.

Specifically, the locking structure 7 comprises a locking claw 8, the circular placing groove 9 is positioned on the inner wall of the locking claw 8, and the waterproof ring 15 is positioned in the circular placing groove 9 and is abutted against the side wall of the locking hook boss 10; inclined surfaces 11 are arranged in the first screw cap 5 and the second screw cap 6. The inclined planes 11 of the first nut 5 and the second nut 6 force the locking claw 8 of the locking structure 7 to shrink towards the center in the locking process, the locking hook boss 10 of the locking claw 8 simultaneously locks the wire rod while compressing the waterproof ring 15, and the outer surface of the wire rod is tightly pressed, so that the rotation and the movement of the wire rod are avoided.

Specifically, the female end housing 1 and the male end housing 2 are respectively provided with a thread groove 12, and the first screw cap 5 and the second screw cap 6 are respectively connected with the thread grooves 12 of the female end housing 1 and the male end housing 2 in a threaded manner; when the wire is locked, the corresponding locking claw 8 can be pressed by rotating the first screw cap 5 and the second screw cap 6, so that the wire is locked and fixed.

Specifically, two elastic clamping blocks 13 are arranged on the female end shell 1, and clamping grooves 14 which are clamped with the two elastic clamping blocks 13 are arranged on the male end shell 2; when the female end shell 1 and the male end shell 2 are clamped, the two elastic clamping blocks 13 are clamped in the two clamping grooves 14, so that the butt joint of the female end shell 1 and the male end shell 2 is realized.

Working principle: when the photovoltaic wires are locked, the two photovoltaic wires needing to be locked are respectively sleeved on the female terminal 3 and the male terminal 4, the two photovoltaic wires driving the female terminal 3 and the male terminal 4 respectively penetrate through the female terminal housing 1 and the male terminal housing 2, the female terminal 3 and the male terminal 4 are clamped, the two photovoltaic wires are connected, the female terminal housing 1 is clamped on the male terminal housing 2, after the photovoltaic wires are connected, the first screw cap 5 and the second screw cap 6 are respectively connected on the female terminal housing 1 and the male terminal housing 2, the inclined planes 11 of the first screw cap 5 and the second screw cap 6 force the locking claw 8 of the locking structure 7 to shrink towards the center in the locking process, the locking hook boss 10 of the locking claw 8 simultaneously locks the wires while the waterproof ring 15 is compressed, and the outer surfaces of the wires are prevented from rotating and stringing.

The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.

Claims

1. The utility model provides a photovoltaic mc4 connector locking wire device, its characterized in that, including female end casing (1), public end casing (2), female terminal (3), public terminal (4), first nut (5) and second nut (6), female end casing (1) are pegged graft in public end casing (2) and can dismantle between female end casing (1) and public end casing (2) and are connected, female terminal (3) and public terminal (4) are located respectively between female end casing (1) and public end casing (2), and peg graft the cooperation between female terminal (3) and public terminal (4), all be equipped with locking structure (7) on female end casing (1) and the public end casing (2), be equipped with circular standing groove (9) on locking structure (7), be equipped with waterproof circle (15) in circular standing groove (9), first nut (5) and second nut (6) are connected respectively at nut (1) and are contradicted with nut (5) on locking structure (2) and second nut (5) screw thread connector (2).

2. The photovoltaic mc4 connector lockwire apparatus of claim 1, wherein: the locking structure (7) comprises a locking claw (8), the circular placing groove (9) is arranged on the inner wall of the locking claw (8), and the waterproof ring (15) is arranged in the circular placing groove (9) and is abutted against the side wall of the locking hook boss (10).

3. A photovoltaic mc4 connector lockwire apparatus as claimed in claim 2, wherein: inclined planes (11) are arranged in the first screw cap (5) and the second screw cap (6).

4. The photovoltaic mc4 connector lockwire apparatus of claim 1, wherein: the novel nut is characterized in that thread grooves (12) are formed in the female end shell (1) and the male end shell (2), and the first nut (5) and the second nut (6) are respectively connected to the thread grooves (12) of the female end shell (1) and the male end shell (2) in a threaded mode.

5. The photovoltaic mc4 connector lockwire apparatus of claim 1, wherein: two elastic clamping blocks (13) are arranged on the female end shell (1), and clamping grooves (14) which are clamped with the two elastic clamping blocks (13) are formed in the male end shell (2).