CN117712763B

CN117712763B - Photovoltaic connector

Info

Publication number: CN117712763B
Application number: CN202410160175.2A
Authority: CN
Inventors: 司建中; 刘德才
Original assignee: Dongguan Nangudi Electronics Co ltd
Current assignee: Dongguan Nangudi Electronics Co ltd
Priority date: 2024-02-05
Filing date: 2024-02-05
Publication date: 2024-05-17
Anticipated expiration: 2044-02-05
Also published as: CN117712763A

Abstract

The invention relates to the technical field of electric connectors, in particular to a photovoltaic connector, which comprises a first sleeve, a second sleeve, a first plug, a second plug, a first filling sleeve, a second filling sleeve, a first elastic piece and a second elastic piece, wherein the first sleeve and the second sleeve are respectively provided with a head end and a tail end, the first filling sleeve is positioned between the first plug and the tail end of the first sleeve, the first elastic piece is arranged between the tail end of the first sleeve and the first filling sleeve, the second filling sleeve is positioned between the second plug and the tail end of the second sleeve, and the second elastic piece is arranged between the tail end of the second sleeve and the second filling sleeve. The first elastic piece and the second elastic piece are arranged, after the first plug and the second plug are abutted, the first elastic piece and the second elastic piece are compressed, pushing forces which are close to each other in the directions of the axes of the first plug and the second plug are provided for the first plug and the second plug, and the connection stability of the first plug and the second plug is improved.

Description

Photovoltaic connector

Technical Field

The invention relates to the technical field of electric connectors, in particular to a photovoltaic connector.

Background

Photovoltaic panels are a common device for converting solar energy, and have high requirements for their connectors during use of the photovoltaic panels, which require high tightness, tightness and robustness of electrical connections.

The existing photovoltaic connector is characterized in that a cable is connected with a male connector and a female connector in a splicing mode after being crimped on the male connector and the female connector, the male connector and the female connector are protected by a shell, at the moment, the cable in the shell is not parallel to the axis of the cable crimped on the male connector or the female connector, stress exists locally at the crimping position of the cable, the connection firmness between the cable and the male connector or between the cable and the female connector is easy to reduce, so that the use safety and the service life are affected, after the male connector and the female connector are protected by the existing shell, the shell has a movable space in the axis direction of the male connector and the female connector, the male connector and the female connector can slide relatively under the action of external force, and therefore potential safety hazards are caused.

Disclosure of Invention

Based on this, it is necessary to provide a photovoltaic connector against the problem of unstable connection of the current photovoltaic connector.

The above purpose is achieved by the following technical scheme:

the photovoltaic connector comprises a first sleeve, a second sleeve, a first plug, a second plug and a protection mechanism, wherein the first sleeve and the second sleeve are respectively provided with a head end and a tail end, the first plug is arranged in the first sleeve in a sliding manner along the length extension direction of the first sleeve, the second plug is arranged in the second sleeve in a sliding manner along the length extension direction of the second sleeve, one end, close to the tail end of the first sleeve, of the first plug is in pressure connection with a first cable, and one end, close to the tail end of the second sleeve, of the second plug is in pressure connection with a second cable; the protection mechanism comprises a clamping assembly, a first pre-tightening assembly and a second pre-tightening assembly, wherein the clamping assembly is used for connecting the first sleeve and the second sleeve.

The first pre-tightening assembly comprises a first filling sleeve and a first elastic piece, the first filling sleeve is arranged in the first sleeve in a sliding mode along the length direction of the first sleeve, the first filling sleeve is positioned between the first plug and the tail end of the first sleeve, a first wire slot is formed in the first filling sleeve, a first cable is arranged in the first wire slot, and the first elastic piece is arranged between the tail end of the first sleeve and the first filling sleeve and used for pushing the first filling sleeve to move; the second pretension subassembly includes second packing cover and second elastic component, and second packing cover sets up in second sleeve pipe along second sleeve pipe length direction slip, and the second packing cover is located between second plug and the second sheathed tube tail end, and the second is packed and is sheathe in and has been seted up the second wire casing, and the second cable wire sets up in the second wire casing, and the second elastic component sets up between second sleeve pipe tail end and second packing cover for promote the second and pack the cover and remove.

After the first sleeve and the second sleeve are in butt joint through the clamping assembly, the sliding direction of the first plug in the first sleeve is consistent with the sliding direction of the second plug in the second sleeve, and the first plug is in butt joint with the second plug.

Preferably, after the first sleeve is in butt joint with the second sleeve, the second plug is sleeved on the first plug in a sliding manner, a boss is arranged on the peripheral surface of the first plug, which is close to the tail end, and the end part of the second plug is in butt joint with the boss.

Preferably, the inner wall of the first sleeve is provided with a first positioning ring, the inner wall of the first positioning ring is provided with a first positioning groove, the first positioning groove penetrates through one end, close to the tail end of the first sleeve, of the first positioning ring, the outer diameter of the boss is matched with the inner diameter of the first positioning ring, the boss is slidably connected with the first positioning ring, the first positioning block is mounted on the peripheral surface of the boss and slidably arranged in the first positioning groove, the inner wall of the second sleeve is provided with a second positioning ring, the inner wall of the second positioning ring is provided with a second positioning groove, the second positioning groove penetrates through one end, close to the tail end of the second sleeve, of the second positioning ring, the peripheral surface of the second plug is provided with a second positioning block, and the second positioning block is slidably arranged in the second positioning groove.

Preferably, a first mounting cavity, a first buffer cavity and a first filling cavity are sequentially arranged from the tail end to the first positioning ring in the first sleeve, the first mounting cavity is communicated with the first filling cavity through the first buffer cavity, the first filling sleeve is arranged in the first filling cavity in a sliding manner, and the axes of the first mounting cavity and the first buffer cavity are coincident with the axis of the first wire slot on the first filling sleeve; the second sleeve is internally provided with a second installation cavity, a second buffer cavity and a second filling cavity from the tail end to the second positioning ring in sequence, the second installation cavity is communicated with the second filling cavity through the second buffer cavity, and the axes of the second installation cavity and the second buffer cavity are coincident with the axis of the second wire slot on the second filling sleeve.

Preferably, the first pretension assembly further comprises a first sealing sleeve, a first mounting ring and a first end cover, the first sealing sleeve is slidably arranged in the first mounting cavity along the length direction of the first sleeve, the first mounting ring is slidably arranged in the first buffer cavity along the length direction of the first sleeve, one end of the first elastic piece is arranged on the first mounting ring, the other end of the first elastic piece is in butt joint with the first filling sleeve, the first end cover is in threaded connection with the tail end of the first sleeve, the first end cover is coaxial with the first mounting cavity, the first cable penetrates through the first sealing sleeve, the first mounting ring and the first end cover, and the first cable is slidably connected with the first sealing sleeve, the first mounting ring and the first end cover.

Preferably, the second pretension assembly further comprises a second sealing sleeve, a second mounting ring and a second end cover, the second sealing sleeve is slidably arranged in the second mounting cavity along the length direction of the second sleeve, the second mounting ring is slidably arranged in the second buffer cavity along the length direction of the second sleeve, one end of the second elastic piece is arranged on the second mounting ring, the other end of the second elastic piece is in butt joint with the second filling sleeve, the second end cover is in threaded connection with the tail end of the second sleeve, the second end cover is coaxial with the second mounting cavity, a second cable penetrates through the second sealing sleeve, the second mounting ring and the second end cover, and the second cable is slidably connected with the second sealing sleeve, the second mounting ring and the second end cover.

Preferably, the surface of the first filling cavity is provided with a first limit groove along the length direction of the first sleeve, the peripheral surface of the first filling sleeve is provided with a first limit rod, the first limit rod is slidably arranged in the first limit groove, the surface of the second filling cavity is provided with a second limit groove along the length direction of the second sleeve, the peripheral surface of the second filling sleeve is provided with a second limit rod, and the second limit rod is slidably arranged in the second limit groove.

Preferably, an inclined plane is arranged between the first mounting cavity and the first buffer cavity, the inclined plane faces the first mounting cavity, and an inclined plane is also arranged between the second mounting cavity and the second buffer cavity, and the inclined plane faces the second mounting cavity.

Preferably, the first end of the second sleeve is provided with a connecting column, the connecting column is coaxial with the second sleeve, a through hole penetrating through the end face of the connecting column is formed in the connecting column, the through hole is communicated with the second filling cavity, the second plug is in sliding connection with the through hole, the first end of the first sleeve is provided with a connecting cavity, the connecting cavity is communicated with the first filling cavity, the connecting cavity is in sliding connection with the connecting column, and the outer diameter of the connecting column is matched with the inner diameter of the connecting cavity.

Preferably, the clamping assembly comprises a first mounting block and a second mounting block, the first mounting block is fixedly sleeved on the peripheral surface of the first sleeve, the first mounting block is far away from one surface of the first end cover, the sliding groove extends along the length direction of the first sleeve, the sliding groove penetrates through the first mounting block, the second mounting block is fixedly sleeved on the peripheral surface of the second sleeve, the clamping rod is arranged on one surface of the second mounting block far away from the second end cover, the clamping rod extends along the length direction of the second sleeve, a clamping head is arranged at one end of the clamping rod far away from the second mounting block, the size of the clamping head is larger than one end surface of the clamping rod far away from the second mounting block, an inclined surface is arranged on the clamping head, the inclined surface faces away from the second mounting block, and the clamping head can slide in the sliding groove.

The beneficial effects of the invention are as follows: the first filling sleeve and the second filling sleeve are arranged, so that a first cable conductor in the first wire slot and a first cable conductor crimped on the first plug are coaxial in the first sleeve, a second cable conductor in the second wire slot and a second cable conductor crimped on the second plug are coaxial in the second sleeve, the torsion stress of the first cable crimped on the first plug and the torsion stress of the cable on the second plug are reduced, the loosening of the crimping part of the first cable conductor on the first plug and the crimping part of the second cable conductor on the second plug is avoided, the stability of the connection of the first plug and the first cable conductor and the second plug and the second cable conductor is influenced, the clamping assembly is arranged, the first sleeve and the second sleeve can be in butt joint and fixed, the first plug and the second plug are in butt joint, the first cable conductor and the second cable conductor can be communicated, the first elastic piece and the second elastic piece are compressed after the first plug and the second plug are in butt joint, the first elastic piece and the second elastic piece are provided with the thrust force which is close to each other along the respective axial directions, and the stability of the connection of the first plug and the second plug is improved.

Drawings

Fig. 1 is a schematic structural diagram of a photovoltaic connector according to an embodiment of the present invention;

fig. 2 is a schematic exploded view of a photovoltaic connector according to an embodiment of the present invention;

Fig. 3 is a top view of a photovoltaic connector according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view taken along the direction A-A in FIG. 3;

FIG. 5 is an enlarged view at B in FIG. 4;

FIG. 6 is an enlarged view of FIG. 4 at D;

FIG. 7 is an enlarged view at C in FIG. 4;

fig. 8 is a schematic view of an internal structure of a second sleeve of a photovoltaic connector according to an embodiment of the present invention;

fig. 9 is a schematic view of an internal structure of a first sleeve of a photovoltaic connector according to an embodiment of the present invention;

fig. 10 is a schematic structural view of a first sleeve of a photovoltaic connector according to an embodiment of the present invention;

fig. 11 is a schematic structural diagram of a second sleeve of a photovoltaic connector according to an embodiment of the present invention.

Wherein: 100. a first sleeve; 101. a first plug; 102. a first filling sleeve; 103. a first mounting cavity; 104. a first buffer chamber; 105. a first filling chamber; 106. a first positioning ring; 107. a first positioning block; 108. a first positioning groove; 109. a boss; 110. a first limit groove; 111. a first stop lever; 112. a connecting column; 200. a second sleeve; 201. a second plug; 202. a second filling sleeve; 203. a second mounting cavity; 204. a second buffer chamber; 205. a second filling chamber; 206. a second positioning ring; 207. a second positioning groove; 208. a second positioning block; 209. the second limit groove; 210. a second limit rod; 211. a connecting cavity; 212. a through hole; 301. a first gland; 302. a first mounting ring; 303. a first end cap; 304. a second gland; 305. a second mounting ring; 306. a second end cap; 307. a first elastic member; 308. a second elastic member; 401. a first mounting block; 402. a second mounting block; 403. a chute; 404. and (5) clamping the rod.

Detailed Description

The present invention will be further described in detail below with reference to examples, which are provided to illustrate the objects, technical solutions and advantages of the present invention. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

The numbering of components herein, such as "first," "second," etc., is used merely to distinguish between the described objects and does not have any sequential or technical meaning. The term "coupled" as used herein includes both direct and indirect coupling (coupling), unless otherwise indicated. In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

As shown in fig. 1 to 11, the photovoltaic connector provided by the embodiment of the invention comprises a first sleeve 100, a second sleeve 200, a first plug 101, a second plug 201 and a protection mechanism, wherein the first sleeve 100 and the second sleeve 200 are hollow, the first sleeve 100 and the second sleeve 200 are respectively provided with a head end and a tail end, the first plug 101 is slidably arranged in the first sleeve 100 along the length extension direction of the first sleeve 100, the second plug 201 is slidably arranged in the second sleeve 200 along the length extension direction of the second sleeve 200, one end of the first plug 101 close to the tail end of the first sleeve 100 is in pressure connection with a first cable, and one end of the second plug 201 close to the tail end of the second sleeve 200 is in pressure connection with a second cable; the protection mechanism comprises a clamping assembly, a first pre-tightening assembly and a second pre-tightening assembly, wherein the clamping assembly is used for connecting the first sleeve 100 and the second sleeve 200.

The first pre-tightening assembly comprises a first filling sleeve 102 and a first elastic piece 307, the first filling sleeve 102 is arranged in the first sleeve 100 in a sliding manner along the length direction of the first sleeve 100, the first filling sleeve 102 is positioned between the first plug 101 and the tail end of the first sleeve 100, a first wire slot is formed in the first filling sleeve 102, a first cable is arranged in the first wire slot, and the first elastic piece 307 is arranged between the tail end of the first sleeve 100 and the first filling sleeve 102 and used for pushing the first filling sleeve 102 to move; the second pre-tightening assembly comprises a second filling sleeve 202 and a second elastic piece 308, the second filling sleeve 202 is arranged in the second sleeve 200 in a sliding manner along the length direction of the second sleeve 200, the second filling sleeve 202 is positioned between the second plug 201 and the tail end of the second sleeve 200, a second wire slot is formed in the second filling sleeve 202, a second cable is arranged in the second wire slot, and the second elastic piece 308 is arranged between the tail end of the second sleeve 200 and the second filling sleeve 202 and used for pushing the second filling sleeve 202 to move; the first filling sleeve 102 and the second filling sleeve 202 are made of rubber materials, the first wire groove and the second wire groove are semi-open, the transverse cross sections of the first cable wire and the second cable wire are round, the first cable wire is matched with the first wire groove, and the second cable wire is matched with the second wire groove.

When the first sleeve 100 and the second sleeve 200 are abutted by the clamping assembly, the sliding direction of the first plug 101 in the first sleeve 100 is consistent with the sliding direction of the second plug 201 in the second sleeve 200, and the first plug 101 is abutted with the second plug 201.

The first plug 101 is in pressure connection with a first cable, the second plug 201 is connected with a second cable, then the first plug 101 is inserted into the first sleeve 100, the second plug 201 is inserted into the second sleeve 200, the first sleeve 100 and the second sleeve 200 are connected together through a clamping assembly, and the first plug 101 is abutted against the second plug 201; the first filling sleeve 102 and the second filling sleeve 202 are arranged, so that a first cable wire in the first wire slot and a first cable wire crimped on the first plug 101 are coaxial in the first sleeve 100, a second cable wire in the second wire slot and a second cable wire crimped on the second plug 201 are coaxial in the second sleeve 200, the torsion stress of the first cable wire crimped on the first plug 101 and the torsion stress of the cable wire on the second plug 201 are reduced, the loosening of the crimping part of the first cable wire on the first plug 101 and the crimping part of the second cable wire on the second plug 201 is avoided, the stability of connection between the first plug 101 and the first cable wire and the second plug 201 and the second cable wire is affected, the clamping assembly is arranged, the first sleeve 100 and the second sleeve 200 can be in butt joint fixation, the first plug 101 and the second plug 201 are mutually abutted, the first cable wire and the second cable wire can be communicated, the first elastic piece 307 and the second elastic piece 308 are arranged, and the first elastic piece 307 and the second elastic piece are prevented from being loosened at the crimping part on the second plug 201, and the first plug 101 and the second plug 201 are mutually abutted to each other, and the stability of connection between the first plug 101 and the second plug 201 is improved along the direction of the compression direction.

In this embodiment, the second plug 201 is cylindrical, the first plug 101 is cylindrical, after the first sleeve 100 is abutted to the second sleeve 200, the second plug 201 is slidably sleeved on the first plug 101, a boss 109 is arranged on a peripheral surface of the first plug 101 close to the tail end, the maximum diameter of the boss 109 is larger than that of the second plug 201, the end portion of the second plug 201 is abutted to the boss 109, and the contact area between the second plug 201 and the first plug 101 is increased under the condition that the abutment can be ensured, so that the connection stability of the first plug 101 and the second plug 201 is further improved.

In this embodiment, the inner wall of the first sleeve 100 is provided with the first positioning ring 106, the inner wall of the first positioning ring 106 is provided with the first positioning groove 108, the first positioning groove 108 penetrates through one end of the first positioning ring 106 close to the tail end of the first sleeve 100, the outer diameter of the boss 109 is matched with the inner diameter of the first positioning ring 106, the boss 109 is slidably connected with the first positioning ring 106, the first positioning block 107 is installed on the peripheral surface of the boss 109, the first positioning block 107 is slidably arranged in the first positioning groove 108, after the first plug 101 is crimped with a first cable and inserted into the first sleeve 100, the first positioning block 107 and the first positioning groove 108 are matched to avoid the first plug 101 rotating around the axis of the first sleeve 100 in the first sleeve 100, so as to avoid loosening after torsion stress is generated at the crimping position of the first cable, the inner wall of the second sleeve 200 is provided with the second positioning ring 206, the second positioning groove 207 penetrates through one end of the second positioning ring 206 close to the second sleeve 200, the second positioning block 208 is slidably arranged in the first sleeve 208, the second peripheral surface of the second positioning block 208 is slidably arranged in the second sleeve 201, and the second plug 208 is also matched with the second positioning block 201 in the second sleeve 200, and the second sleeve 201 is prevented from being matched to be in the second positioning groove, and the second sleeve 201 is not in the second positioning groove is in the second sleeve 200.

In this embodiment, a first installation cavity 103, a first buffer cavity 104 and a first filling cavity 105 are sequentially arranged from the tail end to the first positioning ring 106 in the first sleeve 100, the first installation cavity 103 is communicated with the first filling cavity 105 through the first buffer cavity 104, the first filling sleeve 102 is slidably arranged in the first filling cavity 105, the first installation cavity 103, the first buffer cavity 104 and the first filling cavity 105 are all cylindrical, the axes of the first installation cavity 103 and the first buffer cavity 104 extend along the length direction of the first sleeve 100, the axes of the first installation cavity 103 and the first buffer cavity 104 coincide with the axis of a first wire slot on the first filling sleeve 102, and the diameters of the first installation cavity 103 and the first buffer cavity 104 are larger than the diameter of the first filling cavity 105, so that the first plug 101 and the first filling sleeve 102 are conveniently inserted into the first sleeve 100 from the tail end of the first sleeve 100; the second sleeve 200 is internally provided with a second installation cavity 203, a second buffer cavity 204 and a second filling cavity 205 from the tail end to a second positioning ring 206 in sequence, the second installation cavity 203 is communicated with the second filling cavity 205 through the second buffer cavity 204, the axes of the second installation cavity 203 and the second buffer cavity 204 are coincident with the axis of a second wire slot on the second filling sleeve 202, the second installation cavity 203, the second buffer cavity 204 and the second filling cavity 205 are cylindrical, the axes of the second installation cavity 203, the second buffer cavity 204 and the second filling cavity 205 extend along the length direction of the second sleeve 200, and the diameters of the second installation cavity 203 and the second buffer cavity 204 are larger than the diameter of the second filling cavity 205, so that the second plug 201 and the second filling sleeve 202 are convenient to insert into the second sleeve 200 from the tail end of the second sleeve 200.

In this embodiment, the first pre-tightening assembly further includes a first sealing sleeve 301, a first mounting ring 302 and a first end cap 303, the first sealing sleeve 301 is slidably disposed in the first mounting cavity 103 along the length direction of the first sleeve 100, the first mounting ring 302 is slidably disposed in the first buffer cavity 104 along the length direction of the first sleeve 100, one end of the first elastic member 307 is mounted on the first mounting ring 302, the other end of the first elastic member 307 abuts against the first filling sleeve 102, the first end cap 303 is in threaded connection with the tail end of the first sleeve 100, the tail end on the first sleeve 100 is provided with threads, the first end cap 303 is provided with thread grooves, the first end cap 303 and the first sleeve 100 are in threaded connection through the thread grooves and the threads, the first end cap 303 and the first mounting cavity 103 are coaxial, a first cable wire crimped by the first sleeve 100 penetrates through the first sealing sleeve 301, the first mounting ring 302 and the first end cap 303 are slidably connected, the first cable wire 303 and the first cable wire 301 rotates relative to the first sleeve 100, the first end cap 303 and the first cable wire 301 can be compressed and the first cable wire 301 is compressed and deformed by the first cable wire 301 to the first cable wire 301 and the first cable sealing sleeve 100.

In this embodiment, the second pre-tightening assembly further includes a second sealing sleeve 304, a second mounting ring 305 and a second end cover 306, the second sealing sleeve 304 is slidably disposed in the second mounting cavity 203 along the length direction of the second sleeve 200, the first sealing sleeve 301 and the second sealing sleeve 304 are made of rubber, the second mounting ring 305 is slidably disposed in the second buffer cavity 204 along the length direction of the second sleeve 200, one end of the second elastic member 308 is mounted on the second mounting ring 305, the other end of the second elastic member 308 abuts against the second filling sleeve 202, the second end cover 306 is in threaded connection with the tail end of the second sleeve 200, the tail end of the second sleeve 200 is provided with threads, the second end cover 306 is provided with a thread groove, the second end cover 306 and the second sleeve 200 are in threaded connection with the threads, the second end cover 306 and the second mounting cavity 203 are coaxial, the second cable wire 306 penetrates through the second sealing sleeve 304, the second mounting ring 305 and the second end cover 306, one end of the second elastic member 308 is mounted on the second mounting ring 305, the other end of the second elastic member 308 abuts against the second filling sleeve 202, the second end cover 306 is slidably connected with the second cable wire 306, the second cable wire 306 is capable of being compressed and deformed by the second end cover 306, and the second cable 304 is compressed by the second sleeve 200, and the second cable 304 is deformed by the second end cover, and the second cable 304 is compressed by the second end cover, and the second end cover is deformed by the second sleeve.

In this embodiment, the surface of the first filling cavity 105 is provided with the first limit groove 110 along the length direction of the first sleeve 100, the first limit groove 110 penetrates through one end of the first filling cavity 105 close to the first buffer cavity 104, the circumferential surface of the first filling sleeve 102 is provided with the first limit rod 111, the first limit rod 111 is slidably arranged in the first limit groove 110, the first filling sleeve 102 is limited to move in the circumferential direction in the first filling cavity 105, the first cable in the first wire slot and the first cable at the crimping position of the first plug 101 are kept coaxial, the first cable at the crimping position is prevented from loosening, the surface of the second filling cavity 205 is provided with the second limit groove 209 along the length direction of the second sleeve 200, the second limit groove 209 penetrates through one end of the second filling cavity 205 close to the second buffer cavity 204, the circumferential surface of the second filling sleeve 202 is provided with the second limit rod 210, the second limit rod 210 is slidably arranged in the second limit groove 209, the movement of the second filling sleeve 202 in the circumferential direction in the second filling cavity 205 is limited, the second cable in the second wire slot is prevented from loosening, and the second cable at the crimping position of the second cable in the second wire slot is prevented from loosening.

In this embodiment, an inclined plane is disposed between the first installation cavity 103 and the first buffer cavity 104, the inclined plane faces the first installation cavity 103, when the first end cover 303 is installed on the first sleeve 100, the first sealing sleeve 301 in the first installation cavity 103 can be pushed to move along the inclined plane towards the first buffer cavity 104, so that the first sealing sleeve 301 wraps the first cable more tightly, meanwhile, the first sealing sleeve 301 can separate the first installation cavity 103 from the first buffer cavity 104 more fully, the first sealing sleeve 301 can push the first elastic member 307 to shrink, the elastic potential energy after the first elastic member 307 shrinks increases, the resistance of relative sliding between the first sleeve 100 and the second sleeve 200 along the respective length direction is increased, an inclined plane is also disposed between the second installation cavity 203 and the second buffer cavity 204, the inclined plane faces the second installation cavity 203, when the second end cover 306 is installed on the second sleeve 200, the second sealing sleeve 304 in the second sleeve 200 also separates the second filling cavity 205 from the second buffer cavity 204, and pushes the second sleeve 200 to separate the second elastic member 308 from the second sleeve 200, and the resistance of relative sliding between the second sleeve 100 and the second sleeve 200 along the respective length direction is further increased, and the stability of relative sliding between the second sleeve 200 and the first sleeve 100 is further increased.

In this embodiment, the first end of the second sleeve 200 is provided with the connection post 112, the connection post 112 is coaxial with the second sleeve 200, the connection post 112 is provided with a through hole 212 penetrating through the end face of the connection post 112, the through hole 212 is communicated with the second filling cavity 205, the second plug 201 is slidably connected with the through hole 212, the first end of the first sleeve 100 is provided with the connection cavity 211, the connection cavity 211 is communicated with the first filling cavity 105, the connection post 211 is slidably connected with the connection post 112, the outer diameter of the connection post 112 is matched with the inner diameter of the connection cavity 211, the connection post 112 is sleeved with a sealing ring, the tightness between the connection post 112 and the connection cavity 211 can be improved, after a first cable is installed in the first sleeve 100, the second cable is installed in the second sleeve 200, the connection post 112 on the first sleeve 100 is inserted into the connection cavity 211 in the second sleeve 200, the first sleeve 100 and the second sleeve 200 are coaxial before the connection of the first sleeve 100 and the second sleeve 200 is completed, the connection precision of the first sleeve 100 and the second sleeve 200 is improved, meanwhile, the connection post 112 can also play a protective role in the second plug 201, the sealing ring is also prevented from being damaged after the second sleeve 100 and the second sleeve 100 are inserted into the first sleeve 100, the second sleeve 100 and the second sleeve is not matched with the first sleeve 100, the second sleeve 101, and the strength of the second sleeve is further improved, the strength of the connection post is improved, and the connection strength of the second sleeve is further, and the connection plug is ensured, after the second sleeve is connected with the second sleeve 100, and the plug is connected with the second plug and the plug is connected, and the connector is connected.

In this embodiment, the clamping assembly includes a first mounting block 401 and a second mounting block 402, the first mounting block 401 is fixedly sleeved on the peripheral surface of the first sleeve 100, a chute 403 is provided on one surface of the first mounting block 401 away from the first end cover 303, the chute 403 extends along the length direction of the first sleeve 100, and the chute 403 penetrates through the first mounting block 401, the second mounting block 402 is fixedly sleeved on the peripheral surface of the second sleeve 200, a clamping rod 404 is mounted on one surface of the second mounting block 402 away from the second end cover 306, the clamping rod 404 extends along the length direction of the second sleeve 200, a clamping head is arranged at one end of the clamping rod 404 away from the second mounting block 402, the size of the clamping head is larger than one end surface of the clamping rod 404 away from the second mounting block 402, an inclined surface is provided on the inclined surface, the inclined surface faces away from the second mounting block 402, the clamping head can slide in the chute 403, the clamping rod 404 has elasticity, when the first sleeve 100 and the second sleeve 200 are in butt joint, the clamping rod 404 is in butt joint with the first mounting block 401 through the inclined surface, and slides in the chute 403, the clamping rod 404 is mounted on the side of the chute 403, the clamping rod 403 is separated from the first peripheral surface of the first sleeve 401 due to the fact that the clamping rod 403 is pressed to the clamping rod 403, and the clamping rod is not pressed from the first mounting block 401, and the first sleeve 401 is deformed, and the first sleeve is not easy to be mounted on the side of the first sleeve 401, and is deformed, and the first sleeve 401 is prevented from the first peripheral surface is easy to be pushed to be separated from the first mounting block and mounted.

The working principle and working method of the photovoltaic connector provided by the embodiment are as follows:

First, a first cable wire is sequentially passed through the first end cover 303, the first sealing sleeve 301 and the first mounting ring 302, the first elastic member 307 is positioned on the side of the first mounting ring 302 away from the first sealing sleeve 301, then the wire end of the first cable wire is crimped onto the first plug 101, then the first cable wire in the crimped position is loaded into the first filling sleeve 102, the first filling sleeve 102 is contacted with the first plug 101, and then the first plug 101 and the first filling sleeve 102 are loaded into the first sleeve 100.

During the process of loading the first plug 101 and the first filling sleeve 102 into the first sleeve 100, the first filling sleeve 102 is pushed into the first sleeve 100, the first filling sleeve 102 pushes the first plug 101 to move in the first sleeve 100, the first plug 101 sequentially passes through the first mounting cavity 103, the first buffer cavity 104 and the first filling cavity 105, when the first filling sleeve 102 slides into the first filling cavity 105, the first limiting rod 111 slides into the first limiting groove 110, then the first filling sleeve 102 is pushed continuously, the first plug 101 passes through the first positioning ring 106 and enters the connecting cavity 211, and the first positioning block 107 on the first plug 101 slides into the first positioning groove 108, the first plug 101 and the first filling sleeve 102 at this time can only slide along the length direction of the first sleeve 100 relative to the first sleeve 100, then the first mounting ring 302 is pushed to slide in the first buffer cavity 104, the first mounting ring 302 is rotated so that the first elastic member 307 contacts the first filling sleeve 102, then the first sealing sleeve 301 is pushed into the first mounting cavity 103, at this time, the first elastic member 307 is compressed, the moving resistance of the first filling sleeve 102 and the first plug 101 in the length direction of the first sleeve 100 is increased, then the first end cover 303 is screwed into the tail end of the first sleeve 100, and at this time, the first cable installation on the first sleeve 100 is completed.

Then, the second cable sequentially passes through the second end cover 306, the second sealing sleeve 304 and the second mounting ring 305, then the end part of the second cable is crimped on the second plug 201, then the second filling sleeve 202 is sleeved on the second cable wire, the second plug 201 and the second filling sleeve 202 are installed in the second sleeve 200, the second plug 201 sequentially passes through the second mounting cavity 203, the second buffer cavity 204, the second filling cavity 205 and the second positioning ring 206 and finally slides into the through hole 212, the second positioning block 208 at the moment slides into the second positioning groove 207, the second filling sleeve 202 then slides into the second filling cavity 205 along with the second plug 201, when the second filling sleeve 202 slides into the second filling cavity 205, the second limiting rod 210 slides into the second limiting groove 209, the second filling sleeve 202 and the second plug 201 only can slide along the length direction of the second sleeve 200 in the second sleeve 200, then the second mounting ring 305 is pushed into the second buffer cavity 204, one end of the second elastic piece 202 is pushed by the second elastic piece to contact with the second tail end of the second filling sleeve 306, then the second end cover 306 is pushed by the second elastic piece to be screwed into the second end cover 306, and then the second end cover 306 is screwed into the second end cover 306, and the second end cover 306 is screwed into the second end cover 306.

Then, the connecting post 112 of the second sleeve 200 is inserted into the connecting groove of the first sleeve 100, meanwhile, the second plug 201 is inserted into the first plug 101, the first sleeve 100 and the second sleeve 200 are pushed to be close to each other, the first plug 101 is abutted with the boss 109 on the second plug 201, the first sleeve 100 and the second sleeve 200 are pushed to be pushed, the first plug 101 and the second plug 201 respectively push the first filling sleeve 102 and the second filling sleeve 202 to slide reversely along the length direction of the first sleeve 100, the first elastic piece 307 and the second elastic piece 308 are compressed, when the clamping rod 404 approaches the sliding groove 403, the first sleeve 100 or the second sleeve 200 is rotated, the clamping rod 404 is aligned with the sliding groove 403, then the first sleeve 100 and the second sleeve 200 are pushed to be close to each other, the first part of the clamping head stretches into the sliding groove 403, then the inclined surface of the clamping head is contacted with the surface of the sliding groove 403, the clamping head slides in the sliding groove 403, the clamping head has pressure between the clamping head and the sliding groove 403, the clamping rod 404 is slightly deformed, and when the clamping head exits from the sliding groove 403, the clamping rod 404 is not abutted against the first sleeve 100 and the second sleeve 200, the first cable line 101 and the second cable line 101 are mounted on the first electric cable line 101 and the second electric wire is connected to the first sleeve 201, and the first cable line is connected to the first sleeve 308, and the first cable line is pushed to the first electric wire and the second electric line is connected to the first sleeve 101, and the first electric cable line and the first electric connector is pushed to the first electric connector and the first connector is pushed.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples merely represent a few embodiments of the present invention, which are described in more detail and are not to be construed as limiting the scope of the present invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of the invention should be assessed as that of the appended claims.

Claims

1. A photovoltaic connector, comprising: the first sleeve and the second sleeve are respectively provided with a head end and a tail end, the first plug is arranged in the first sleeve in a sliding manner along the length extending direction of the first sleeve, the second plug is arranged in the second sleeve in a sliding manner along the length extending direction of the second sleeve, one end, close to the tail end of the first sleeve, of the first plug is in pressure connection with a first cable, and one end, close to the tail end of the second sleeve, of the second plug is in pressure connection with a second cable; the protection mechanism comprises a clamping assembly, a first pre-tightening assembly and a second pre-tightening assembly, wherein the clamping assembly is used for connecting the first sleeve and the second sleeve;

The first pre-tightening assembly comprises a first filling sleeve and a first elastic piece, the first filling sleeve is arranged in the first sleeve in a sliding mode along the length direction of the first sleeve, the first filling sleeve is positioned between the first plug and the tail end of the first sleeve, a first wire slot is formed in the first filling sleeve, a first cable is arranged in the first wire slot, and the first elastic piece is arranged between the tail end of the first sleeve and the first filling sleeve and used for pushing the first filling sleeve to move; the second pre-tightening assembly comprises a second filling sleeve and a second elastic piece, the second filling sleeve is arranged in the second sleeve in a sliding mode along the length direction of the second sleeve, the second filling sleeve is positioned between the second plug and the tail end of the second sleeve, a second wire slot is formed in the second filling sleeve, a second cable is arranged in the second wire slot, and the second elastic piece is arranged between the tail end of the second sleeve and the second filling sleeve and used for pushing the second filling sleeve to move;

When the first sleeve and the second sleeve are in butt joint through the clamping assembly, the sliding direction of the first plug in the first sleeve is consistent with the sliding direction of the second plug in the second sleeve, and the first plug is in butt joint with the second plug;

After the first sleeve is in butt joint with the second sleeve, the second plug is sleeved on the first plug in a sliding way, a boss is arranged on the peripheral surface of the first plug, which is close to the tail end, and the end part of the second plug is in butt joint with the boss; the inner wall of the first sleeve is provided with a first positioning ring, the inner wall of the first positioning ring is provided with a first positioning groove, the first positioning groove penetrates through one end of the first positioning ring, which is close to the tail end of the first sleeve, the outer diameter of the boss is matched with the inner diameter of the first positioning ring, the boss is in sliding connection with the first positioning ring, the peripheral surface of the boss is provided with a first positioning block, the first positioning block is arranged in the first positioning groove in a sliding manner, the inner wall of the second sleeve is provided with a second positioning ring, the inner wall of the second positioning ring is provided with a second positioning groove, the second positioning groove penetrates through one end of the second positioning ring, which is close to the tail end of the second sleeve, the peripheral surface of the second plug is provided with a second positioning block, and the second positioning block is arranged in the second positioning groove in a sliding manner;

The first sleeve is internally provided with a first installation cavity, a first buffer cavity and a first filling cavity in sequence from the tail end to the first positioning ring, the first installation cavity is communicated with the first filling cavity through the first buffer cavity, the first filling sleeve is arranged in the first filling cavity in a sliding manner, and the axes of the first installation cavity and the first buffer cavity are coincident with the axis of a first wire slot on the first filling sleeve; the second sleeve is internally provided with a second installation cavity, a second buffer cavity and a second filling cavity from the tail end to the second positioning ring in sequence, the second installation cavity is communicated with the second filling cavity through the second buffer cavity, and the axes of the second installation cavity and the second buffer cavity are overlapped with the axis of a second wire slot on the second filling sleeve;

The first pre-tightening assembly further comprises a first sealing sleeve, a first mounting ring and a first end cover, the first sealing sleeve is arranged in the first mounting cavity in a sliding mode along the length direction of the first sleeve, the first mounting ring is arranged in the first buffer cavity in a sliding mode along the length direction of the first sleeve, one end of the first elastic piece is arranged on the first mounting ring, the other end of the first elastic piece is in butt joint with the first filling sleeve, the first end cover is in threaded connection with the tail end of the first sleeve, the first end cover is coaxial with the first mounting cavity, the first cable penetrates through the first sealing sleeve, the first mounting ring and the first end cover, and the first cable is in sliding connection with the first sealing sleeve, the first mounting ring and the first end cover;

the second pre-tightening assembly further comprises a second sealing sleeve, a second mounting ring and a second end cover, the second sealing sleeve is arranged in the second mounting cavity in a sliding manner along the length direction of the second sleeve, the second mounting ring is arranged in the second buffer cavity in a sliding manner along the length direction of the second sleeve, one end of the second elastic piece is arranged on the second mounting ring, the other end of the second elastic piece is in butt joint with the second filling sleeve, the second end cover is in threaded connection with the tail end of the second sleeve, the second end cover is coaxial with the second mounting cavity, a second cable penetrates through the second sealing sleeve, the second mounting ring and the second end cover, and the second cable is in sliding connection with the second sealing sleeve, the second mounting ring and the second end cover;

The surface in first packing chamber is seted up first spacing groove along first sheathed tube length direction, and the global first gag lever post that is equipped with of first packing cover, and first gag lever post slides and sets up in first spacing groove, and the second gag lever post is seted up along second sheathed tube length direction to the surface in second packing chamber, and the global second packing cover is equipped with the second gag lever post, and the second gag lever post slides and sets up in the second spacing groove.

2. The photovoltaic connector of claim 1, wherein a bevel is provided between the first mounting cavity and the first buffer cavity, the bevel facing the first mounting cavity, and a bevel is also provided between the second mounting cavity and the second buffer cavity, the bevel facing the second mounting cavity.

3. The photovoltaic connector according to claim 1, wherein the first end of the second sleeve is provided with a connecting post, the connecting post is coaxial with the second sleeve, the connecting post is provided with a through hole penetrating through the end face of the connecting post, the through hole is communicated with the second filling cavity, the second plug is slidably connected with the through hole, the first sleeve is provided with a connecting cavity at the first end, the connecting cavity is communicated with the first filling cavity, the connecting cavity is slidably connected with the connecting post, and the outer diameter of the connecting post is matched with the inner diameter of the connecting cavity.

4. The photovoltaic connector according to claim 1, wherein the clamping assembly comprises a first mounting block and a second mounting block, the first mounting block is fixedly sleeved on the circumferential surface of the first sleeve, a chute is formed in one surface of the first mounting block, which is far away from the first end cover, the chute extends along the length direction of the first sleeve, the chute penetrates through the first mounting block, the second mounting block is fixedly sleeved on the circumferential surface of the second sleeve, a clamping rod is mounted on one surface of the second mounting block, which is far away from the second end cover, the clamping rod extends along the length direction of the second sleeve, a clamping head is arranged at one end of the clamping rod, which is far away from the second mounting block, the clamping head is larger than one end surface of the clamping rod, which is far away from the second mounting block, an inclined surface is arranged on the clamping head, which faces away from the second mounting block, and the clamping head can slide in the chute.