CN213816586U

CN213816586U - Photovoltaic connector

Info

Publication number: CN213816586U
Application number: CN202023031336.4U
Authority: CN
Inventors: 徐寅生; 侯如钟; 刘强
Original assignee: CSI Cells Co Ltd; Canadian Solar Manufacturing Changshu Inc
Current assignee: CSI Cells Co Ltd; Canadian Solar Manufacturing Changshu Inc; CSI Solar Technologies Inc
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-07-27
Anticipated expiration: 2030-12-16

Abstract

The utility model provides a photovoltaic connector, establish including mutual equipment fixed public end connector and female end connector and cover the first nut and the cover of the tail end of public end connector are established the second nut of the tail end of female end connector, first nut all is equipped with the part of taking precautions against earthquakes with the inboard of second nut, the part of taking precautions against earthquakes is elastic structure, with sealing connection public end connector and first nut reach female end connector and second nut. Compared with the prior art, the utility model discloses a photovoltaic connector not only structural strength is very high, can satisfy the experiment of anti falling ball, and sealing performance is also the preferred simultaneously.

Description

Photovoltaic connector

Technical Field

The utility model relates to a photovoltaic connector belongs to photovoltaic technical field.

Background

The photovoltaic power generation needs a photovoltaic cell assembly and a photovoltaic connector for realizing power transmission on the photovoltaic cell assembly, and the existing photovoltaic connector mainly takes a cable connector as a main part, is arranged on a cable led out from the positive pole and the negative pole of the photovoltaic cell assembly and is mainly used for connecting the photovoltaic cell assemblies, so that the transmission of electric energy is realized. From the structural point of view, the photovoltaic connector is mainly divided into a male end connector and a female end connector for butting with the male end connector.

Since photovoltaic connectors have long been used in harsh outdoor environments, typically for over ten years, reliability and safety requirements for connector products are high. The photovoltaic connectors in the prior art have limited structural strength and are not conducive to long-term use.

In view of the above, it is necessary to provide a high-strength photovoltaic connector.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a photovoltaic connector, this photovoltaic connector's structural strength is very high, can satisfy the experiment of anti falling ball, and photovoltaic connector's sealing performance is also preferred simultaneously.

In order to achieve the above object, the utility model provides a photovoltaic connector, establish including the fixed public end connector of mutual equipment and female end connector and cover the first nut and the cover of the tail end of public end connector are established the second nut of the tail end of female end connector, first nut all is equipped with shockproof piece with the inboard of second nut, shockproof piece is elastic structure, with sealing connection public end connector and first nut reach female end connector and second nut.

As a further improvement, the thickness of the shockproof piece is 0.1 ~ 0.2mm, and length is 30 ~ 45mm, and the width is 8 ~ 12 mm.

As a further improvement, the internal thread is formed on the inside wall of the first nut and the second nut, the length of the shockproof piece is equal to the circumference of the internal thread of the circle, and the width of the shockproof piece is equal to the distance between the internal thread of the first circle and the internal thread of the last circle.

As a further improvement of the utility model, the shockproof piece is a rubber piece, and in an initial state, the rubber piece is arranged in a flat shape, and the cross section of the rubber piece is rectangular; after the shockproof piece is arranged in the first screw cap and the second screw cap, the shockproof piece is arranged in a circular ring shape, and the cross section of the shockproof piece is in a sawtooth shape.

As a further improvement of the utility model, be formed with first external screw thread on the lateral wall of male end connector, work as the first external screw thread of male end connector with during the internal thread intermeshing of first nut, the shockproof piece is spacing first external screw thread with between the internal thread of first nut.

As a further improvement of the present invention, one end of the male end connector is formed with a first protrusion, the first protrusion is formed on the outer side of the first external thread, a first recess is correspondingly formed in the first nut, so that the male end connector is fixed to the first nut, and the first protrusion is received in the first recess.

As a further improvement of the utility model, be formed with the second external screw thread on the lateral wall of female end connector, work as the second external screw thread of female end connector with during the internal thread intermeshing of second nut, the shockproof piece is spacing the second external screw thread with between the internal thread of second nut.

As a further improvement of the present invention, one end of the female connector is formed with a second protrusion, the second protrusion is formed on the outer side of the second external thread, a second recess is correspondingly formed in the second nut, so that the female connector is fixed to the second nut, and the second protrusion is received in the second recess.

As a further improvement of the present invention, a first through hole is formed at the tail end of the first nut for allowing a cable connected to the male end connector to pass through; and the tail end of the second nut cap is provided with a second through hole for a cable connected with the female end connector to pass through.

As a further improvement of the present invention, the first through hole penetrates through the first nut along the central axis direction of the first nut; the second through hole penetrates through the second nut in the direction of the central axis of the second nut.

The utility model has the advantages that: the utility model discloses a photovoltaic connector sets up the part that takes precautions against earthquakes through the inboard at first nut and second nut, and this part that takes precautions against earthquakes is elastic construction to not only strengthened the structural strength of public end connector and female end connector, can realize sealing connection between public end connector and the first nut and the sealing connection between female end connector and the second nut moreover.

Drawings

Fig. 1 is a perspective view of the photovoltaic connector of the present invention.

Fig. 2 is an exploded view of the photovoltaic connector shown in fig. 1.

Fig. 3 is a schematic diagram of the male end connector of fig. 2.

FIG. 4 is a schematic view of the first nut of FIG. 2.

Fig. 5 is a schematic diagram of the female end connector of fig. 2.

FIG. 6 is a schematic view of the second nut of FIG. 2.

Fig. 7 is a cross-sectional view of the photovoltaic connector shown in fig. 1 with the cable wires removed.

Fig. 8 is a side view of the shock absorbing member in an initial state.

FIG. 9 is a sectional view of the shock absorbing member after being assembled to the first nut or the second nut.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, fig. 2, fig. 8 and fig. 9, the present invention discloses a photovoltaic connector 100, which comprises a male terminal connector 10 and a female terminal connector 20 assembled and fixed with each other, and a first nut 30 and a second nut 40 at the tail end of the female terminal connector 20 are sleeved on the tail end of the male terminal connector 10. Since the specific structures of the male end connector 10 and the female end connector 20 can adopt the existing technical solution, the detailed description of the specific structures of the male end connector 10 and the female end connector 20 and the connection relationship therebetween will not be provided herein.

The inner sides of the first nut 30 and the second nut 40 are both provided with a shockproof piece 50, the shockproof piece 50 is an elastic structure, on one hand, the structural strength of the male end connector 10 and the female end connector 20 can be enhanced, and on the other hand, the sealed connection between the male end connector 10 and the first nut 30 and the sealed connection between the female end connector 20 and the second nut 40 can be realized. In the present embodiment, the structure of the first nut 30 is the same as that of the second nut 40, so the first nut 30 will be exemplified in the following description.

Referring to fig. 4, the first nut 30 has an internal thread 31 formed on an inner sidewall thereof, the shock absorbing member 50 has a length equal to a circumference of the internal thread 31, and the shock absorbing member 50 has a width equal to a distance between the first internal thread and the last internal thread. In other words, after the shock-proof member 50 is inserted into the first nut 30, the shock-proof member 50 is connected end to just fill the internal thread 31 completely, and the whole thread area is not exceeded, so that the tightness between the shock-proof member 50 and the first nut 30 can be ensured. In this embodiment, the thickness of the shock-proof member is preferably 0.1 to 0.2mm, the length is preferably 30 to 45mm, and the width is preferably 8 to 12mm, but not limited thereto.

As shown in fig. 8 and 9, the shock absorbing member 50 is a high molecular polymer, which has elasticity and good ductility. Preferably, the shock-proof member 50 is a rubber member, and in an initial state, the rubber member 50 is arranged in a flat shape and has a rectangular cross section; after the rubber member 50 is installed in the first nut 30 and the second nut 40, the rubber member 50 is disposed in a circular ring shape as a whole, and has a saw-toothed cross section.

As shown in fig. 3, 4 and 7, a first external thread 11 is formed on an outer side wall of the male end connector 10, and when the first external thread 11 of the male end connector 10 is engaged with the internal thread 31 of the first nut 30, the vibration preventing member 50 is limited between the first external thread 11 and the internal thread 31 of the first nut 30. So set up, not only strengthened the intensity of male end connector 10 and first nut 30 hookup location department, can seal the clearance between male end connector 10 and the first nut 30 moreover, prevent that steam from getting into.

The one end of male end connector 10 is formed with first jut 12, first jut 12 is formed with the outside of first external screw thread 11, correspond in the first nut 30 and be formed with first depressed part 32, with when male end connector 10 with first nut 30 assembles fixedly, first jut 12 accept in first depressed part 32, further strengthen the joint strength and the connection stability between male end connector 10 and the first nut 30.

The first nut 30 has a first through hole 33 at a rear end thereof for passing the cable 60 connected to the male terminal connector 10, and the first through hole 33 is disposed along a central axis of the first nut 30 and penetrating through the first nut 30.

As shown in fig. 5, 6 and 7, the second external thread 21 is formed on the outer side wall of the female end connector 20, and when the second external thread 21 of the female end connector 20 is engaged with the internal thread 41 of the second nut 40, the shock-proof member 50 is limited between the second external thread 21 and the internal thread 41 of the second nut 40. So set up, not only strengthened the intensity of female end connector 20 with second nut 40 hookup location department, can seal the clearance between female end connector 20 and the second nut 40 moreover, prevent that steam from getting into.

The one end of female connector 20 is formed with second jut 22, second jut 22 form in the outside of second external thread 21, the correspondence is formed with second depressed part 42 in the second nut 40, with female connector 20 with when second nut 40 assembles fixedly, second jut 22 accept in second depressed part 42, further strengthen the joint strength and the connection stability between female connector 20 and the second nut 40.

The second nut 40 has a second through hole 43 at a rear end thereof for passing the cable 60 connected to the female connector 20, and the second through hole 43 is disposed through the second nut 40 along a central axis of the second nut 40.

During assembly, the shockproof piece 50 is firstly coiled into a circle and is plugged into the first nut 30, so that the shockproof piece 50 is attached to the internal thread 31 of the first nut 30, then the male end connector 10 is screwed into the first nut 30, so that the shockproof piece 50 is limited between the internal thread 31 and the first external thread 11, and at this time, the assembly of the first nut 30 and the male end connector 10 is completed. Such an installation procedure is also applicable to the second nut 40 and the female connector 20, and will not be described in detail herein.

To sum up, the utility model discloses a photovoltaic connector 100 sets up shockproof piece 50 through the inboard at first nut 30 and second nut 40, and this shockproof piece 50 is elastic construction to not only strengthened the structural strength of public end connector 10 and female end connector 20, especially impact strength, and improved the thread intensity of first nut 30 and second nut 40, meanwhile can also realize the sealing connection between public end connector 10 and the first nut 30 and the sealing connection between female end connector 20 and the second nut 40, prevent that steam from getting into and leading to public end connector 10 and female end connector 20 to become invalid.

The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a photovoltaic connector, includes that mutual equipment is fixed public end connector and female end connector and cover establish the first nut and the cover of the tail end of public end connector are established the second nut of the tail end of female end connector, its characterized in that: and the inner sides of the first nut and the second nut are respectively provided with a shockproof piece which is of an elastic structure and is used for hermetically connecting the male end connector, the first nut, the female end connector and the second nut.

2. The photovoltaic connector of claim 1, wherein: the thickness of the shockproof piece is 0.1-0.2 mm, the length is 30-45 mm, and the width is 8-12 mm.

3. The photovoltaic connector of claim 1, wherein: the inner side walls of the first nut and the second nut are provided with internal threads, the length of the shockproof piece is equal to the circumference of one circle of internal threads, and the width of the shockproof piece is equal to the distance between the first circle of internal threads and the last circle of internal threads.

4. The photovoltaic connector of claim 3, wherein: the shockproof piece is a rubber piece, and in an initial state, the rubber piece is arranged in a flat shape, and the cross section of the rubber piece is rectangular; after the shockproof piece is arranged in the first screw cap and the second screw cap, the shockproof piece is arranged in a circular ring shape, and the cross section of the shockproof piece is in a sawtooth shape.

5. The photovoltaic connector of claim 4, wherein: and when the first external thread of the male end connector is meshed with the internal thread of the first nut, the shockproof piece is limited between the first external thread and the internal thread of the first nut.

6. The photovoltaic connector of claim 5, wherein: the male end connector is characterized in that a first protruding portion is formed at one end of the male end connector, the first protruding portion is formed on the outer side of the first external thread, and a first concave portion is correspondingly formed in the first nut, so that when the male end connector and the first nut are assembled and fixed, the first protruding portion is contained in the first concave portion.

7. The photovoltaic connector of claim 4, wherein: and a second external thread is formed on the outer side wall of the female end connector, and when the second external thread of the female end connector is meshed with the internal thread of the second nut, the shockproof piece is limited between the second external thread and the internal thread of the second nut.

8. The photovoltaic connector of claim 7, wherein: the one end of female end connector is formed with the second jut, the second jut be formed with the outside of second external thread, correspond in the second nut and be formed with the second depressed part, with when the female end connector with the second nut equipment is fixed, the second jut accept in the second depressed part.

9. The photovoltaic connector of claim 1, wherein: the tail end of the first nut is provided with a first through hole for a cable connected with the male end connector to pass through; and the tail end of the second nut cap is provided with a second through hole for a cable connected with the female end connector to pass through.

10. The photovoltaic connector of claim 9, wherein: the first through hole penetrates through the first nut along the central axis direction of the first nut; the second through hole penetrates through the second nut in the direction of the central axis of the second nut.