CN114142297A

CN114142297A - Photovoltaic photo-thermal power station connector with anti-loosening structure

Info

Publication number: CN114142297A
Application number: CN202111586809.3A
Authority: CN
Inventors: 周文忠
Original assignee: Shenzhen Connection Electronics Co ltd
Current assignee: Shenzhen Connection Electronics Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-03-04

Abstract

The invention provides a photovoltaic photo-thermal power station connector with an anti-loosening structure, and relates to the technical field of connectors. This photovoltaic light thermal power station connector with locking structure of taking off, including female head of connector and the public head of connector, the sheath outside evenly is provided with a plurality of and prevents grabbing the groove, the inboard fixedly connected with awl piece of installation cover, the female first inner core of top fixedly connected with of the inboard cable of the female head of connector, the public first inner core of bottom fixedly connected with of the inboard cable of the public head of connector, all be provided with the hemisphere groove that corresponds with spacing pearl on the outer wall of female head inner core bottom and on the outer wall of public first inner core top, the female head core cover left and right sides is provided with the spacing groove that corresponds with two spacing hooks respectively, be provided with the second spring between ring channel and the public first core cover. The anti-grabbing effect is achieved through the matching of the sheath and the anti-grabbing groove, the mounting sleeve and the conical block, the second spring applies prestress to the limiting hook, the firmness of the connector is guaranteed, and the cable is protected.

Description

Photovoltaic photo-thermal power station connector with anti-loosening structure

Technical Field

The invention relates to the technical field of connectors, in particular to a photovoltaic photo-thermal power station connector with an anti-loosening structure.

Background

The photovoltaic and photothermal integrated power generation technology is developed along with popularization of a new energy concept, the photovoltaic and photothermal power station can simultaneously utilize solar heat energy and light energy, and the photovoltaic and photothermal power station connector is an essential power equipment matching component for photovoltaic and photothermal power generation.

In photovoltaic light and heat system, the terminal box, the collection flow box, the cable link of equipment such as dc-to-ac converter all need use the connector, current photovoltaic light and heat connector connects the firm nature not enough, the cable junction easy contact is bad, the frequent electric spark that produces of junction, reduce cable life, the cable has the pine to take off the risk, disassemble the connector in-process, part staff can separate public head and female head through the mode of dragging the cable in addition, adopt this method to disassemble the connector many times after, produce obvious clearance easily between cable insulation layer and the connector, cause adverse effect to the cable and even whole photovoltaic light and heat system.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a photovoltaic photo-thermal power station connector with an anti-loosening structure, which solves the problem that the cable protection strength of the connector is insufficient.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a photovoltaic photo-thermal power station connector with an anti-loosening structure comprises a connector female head and a connector male head, wherein rubber cores are fixedly connected to the bottom end of the connector female head and the top end of the connector male head, seal sleeves are in threaded connection with the outer sides of the connector female head and the connector male head, a protective sleeve is fixedly connected to the top end and the lower side of each seal sleeve, the bottom end of each seal sleeve is arranged at the upper side of each seal sleeve, a plurality of anti-grabbing grooves are uniformly formed in the outer side of each protective sleeve, a plurality of mounting sleeves are uniformly and fixedly connected to one side, close to the axis of each protective sleeve, of each anti-grabbing groove, conical blocks are fixedly connected to the inner sides of the mounting sleeves, cables are arranged on the inner sides of the connector female head and the connector male head, a female head inner core is fixedly connected to the top end of each cable on the inner side of the connector female head, a male head inner core is fixedly connected to the bottom end of each cable on the inner wall of the connector female head, and four fan-shaped grooves are uniformly arranged on the inner wall of the bottom of the connector male head, the utility model discloses a connector, including male core axle center, female core cover, fan-shaped groove, spacing pearl, connector public head bottom fixedly connected with public head core cover, the fan-shaped groove is close to one side in public head inner core axle center and is provided with spacing pearl, all be provided with the hemisphere groove that corresponds with spacing pearl on the outer wall of female head inner core bottom and on the outer wall of public head inner core top, the spacing pearl is kept away from the three first spring of the even fixedly connected with in one side in public head inner core axle center, the public head core cover top outside of connector is provided with the sealing ring, the equal fixedly connected with spacing hook in the public head bottom left and right sides of connector, the female head core cover of connector top fixedly connected with, the female head core cover left and right sides is provided with the spacing groove that corresponds with two spacing hooks respectively, be provided with the ring channel on the female head core cover inner wall, be provided with the second spring between ring channel and the public head core cover.

Preferably, the inner side of the sealing sleeve is provided with an extrusion groove corresponding to the rubber core.

Preferably, the sealing ring is fixedly connected to the bottom end of the connector male head, and the top end of the second spring is fixedly connected to the bottom end of the sealing ring.

Preferably, the distance from the tip of the conical block to the axis of the sheath is smaller than the outer radius of the sheath.

Preferably, the peripheral shape of public first inner core and female first inner core is square, the inside cell body that corresponds with public first inner core that is provided with of female first inner core, female first upper portion inboard of connector is provided with the cell body that corresponds with female first inner core, the public first lower part inboard of connector is provided with the cell body that corresponds with public first inner core, the female first setting of connector is in the public first top of connector.

Preferably, one side of the first spring, which is far away from the axle center of the male head inner core, is fixedly connected to one side of the fan-shaped groove, which is far away from the axle center of the male head inner core.

Preferably, the male core penetrates through the male core sleeve, the male core sleeve penetrates through the female core sleeve, a groove corresponding to the male core sleeve is formed in the inner side of the top of the female connector, and the cable penetrates through the sealing sleeve and the protective sleeve.

Preferably, a plurality of strip-shaped grooves are uniformly formed in the outer side of the sealing sleeve.

The working principle is as follows: the cable connected with the female head inner core passes through the sheath and the sealing sleeve on the lower side and is inserted into the inner side of the connector female head, the two cables connected with the male head inner core pass through the sheath and the sealing sleeve on the upper side and are inserted into the inner side of the connector male head, after the two cables are inserted into enough depth, the four limiting beads on the upper side and the four limiting beads on the lower side are respectively extruded into the hemispherical grooves of the male head inner core and the female head inner core under the action of a first spring, the two sealing sleeves are rotated, the sealing sleeves compress the cables through the matching of the extrusion grooves and the rubber cores, the female head inner core and the connector female head are connected into a whole, the male head inner core and the connector male head are connected into a whole, the male head core sleeve of the connector male head penetrates through the female head core sleeve and is inserted into the connector female head, the female head inner core is inserted between the male head inner core sleeve and the male head core sleeve, the two cables are electrified, and the connector female head and the connector male head are tightly connected through the limiting grooves by the limiting hooks matching the female head sleeve and the female head sleeve, the second spring compression, thereby exert prestressing force to spacing hook, guarantee the firm nature of connector, and extrude the sealing ring, strengthen the connector leakproofness, when making the public first separation of female head of connector and connector, inwards extrude spacing hook, the public head of connector and connector is automatic separation under the second spring action, the installation cover cooperation awl piece that sets up of preventing grabbing of sheath plays prevents grabbing the effect, if drag the sheath in two cable outsides, then can't separate female head of connector and the public head of connector, and when the power gripping sheath, the palm epidermis is sunken and is pricked by the awl piece to preventing grabbing the inslot, remind staff or idle man etc. not to provide the protection through the mode split connector of dragging the cable.

(III) advantageous effects

The invention provides a photovoltaic photo-thermal power station connector with an anti-loosening structure. The method has the following beneficial effects:

1. the invention limits the hemispherical grooves of the female head inner core and the male head inner core through the matching fan-shaped groove of the female head and the male head of the connector, the first spring and the limiting ball, the sealing sleeve compresses the cable through the matching of the extrusion groove and the rubber core, so that the female head inner core and the connector female head are connected into a whole, the male head inner core and the connector male head are connected into a whole, the male head core sleeve of the connector male head penetrates through the female head core sleeve and is inserted into the connector female head, the limiting hook is matched with the female head core sleeve and the limiting groove so that the connector female head and the connector male head are tightly connected, the second spring exerts prestress on the limiting hook, the firmness of the connector is ensured, the risk of frequent electric sparks generation of the connector due to poor contact is reduced, the cable is protected, the limiting hook is inwards extruded, the connector female head and the connector male head can be automatically separated under the action of the second spring, the mounting sleeve matching block arranged in the anti-seizing groove of the sheath plays an anti-seizing effect, reminding workers or leisure people and the like not to split the connector in a mode of pulling the cable, and protecting the cable.

2. According to the invention, the two sealing sleeves are matched with the extrusion groove and the rubber core to limit the cable, the rubber core plays a role in sealing, the second spring applies prestress to the limiting hook and simultaneously extrudes the sealing ring, the sealing ring is expanded towards the inner side and the outer side, the male head core sleeve and the female head core sleeve are sealed, the sealing performance of the connector is enhanced, the risk that the connector is interfered by water vapor and dust is reduced, the failure rate of photovoltaic photo-thermal equipment is reduced, and the service life of the connector is prolonged.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is an enlarged view of FIG. 2 at B;

fig. 5 is a top view of the present invention.

Wherein, 1, connector female head; 2. a connector male; 3. a rubber core; 4. sealing sleeves; 5. a sheath; 6. an anti-grabbing groove; 7. installing a sleeve; 8. a conical block; 9. a cable; 10. a female core; 11. a male inner core; 12. a sector groove; 13. a limiting bead; 14. a hemispherical groove; 15. a first spring; 16. a male core sleeve; 17. a seal ring; 18. a limiting hook; 19. a female core sleeve; 20. a limiting groove; 21. an annular groove; 22. a second spring; 23. the groove is pressed.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

as shown in fig. 1-5, an embodiment of the present invention provides a photovoltaic photo-thermal power station connector with an anti-loose structure, including a connector female head 1 and a connector male head 2, a rubber core 3 is fixedly connected to both a bottom end of the connector female head 1 and a top end of the connector male head 2, a sealing sleeve 4 is threadedly connected to both outer sides of the connector female head 1 and the connector male head 2, a sheath 5 is fixedly connected to both a top end of the upper sealing sleeve 4 and a bottom end of the lower sealing sleeve 4, a plurality of anti-grabbing grooves 6 are uniformly arranged on an outer side of the sheath 5, a plurality of mounting sleeves 7 are uniformly and fixedly connected to one side of the anti-grabbing grooves 6 close to an axis of the sheath 5, a cone block 8 is fixedly connected to an inner side of the mounting sleeves 7, cables 9 are respectively arranged on inner sides of the connector female head 1 and the connector male head 2, a female head inner core 10 is fixedly connected to a top end of the cable 9 on an inner side of the connector female head 1, a male head inner core 11 is fixedly connected to a bottom end of the cable 9 on an inner side of the connector male head 2, four fan-shaped grooves 12 are uniformly arranged on the inner wall of the middle part of the female head 1 of the connector and the inner wall of the bottom part of the male head 2 of the connector, a limiting ball 13 is arranged on one side of the fan-shaped groove 12 close to the axle center of the male head inner core 11, hemispherical grooves 14 corresponding to the limiting ball 13 are arranged on the outer wall of the bottom part of the female head inner core 10 and the outer wall of the top part of the male head inner core 11, three first springs 15 are uniformly and fixedly connected on one side of the limiting ball 13 far away from the axle center of the male head inner core 11, a male head core sleeve 16 is fixedly connected at the bottom end of the male head 2 of the connector, a sealing ring 17 is arranged on the outer side of the top part of the male head core sleeve 16, limiting hooks 18 are fixedly connected on the left side and the right side of the bottom end of the male head 2 of the connector, a female head core sleeve 19 is fixedly connected at the top end of the female head 1 of the connector, limiting grooves 20 corresponding to the two limiting hooks 18 are respectively arranged on the left side and right side of the female head core sleeve 19, an annular groove 21 is arranged on the inner wall of the female head core sleeve 19, a second spring 22 is arranged between the annular groove 21 and the male head core sleeve 16, the cable 9 connected with the female head inner core 10 passes through the sheath 5 and the sealing sleeve 4 on the lower side and is inserted into the inner side of the connector female head 1, the two cables 9 connected with the male head inner core 11 pass through the sheath 5 and the sealing sleeve 4 on the upper side and are inserted into the inner side of the connector male head 2, after the two cables 9 are inserted into enough depth, the four limiting beads 13 on the upper side and the four limiting beads 13 on the lower side are respectively extruded into the hemispherical grooves 14 of the male head inner core 11 and the female head inner core 10 under the action of a first spring 15, so that the female head inner core 10 and the connector female head 1 are connected into a whole, the male head inner core 11 and the connector male head 2 are connected into a whole, the male head core sleeve 16 of the connector male head 2 passes through the female head core sleeve 19 and is inserted into the connector female head 1, meanwhile, the female head inner core 10 is inserted between the male head inner core sleeve 11 and the male head core sleeve 16, the two cables 9 are electrified, and simultaneously the limiting hook 18 is matched with the female head sleeve 19 and the limiting groove 20 so that the connector female head 1 is tightly connected with the connector male head 2, second spring 22 compresses, thereby exert prestressing force to spacing hook 18, guarantee the firm nature of connector, and extrude sealing ring 17, strengthen the connector leakproofness, when making female head 1 of connector and the public head 2 of connector separate, inwards extrude spacing hook 18, female head 1 of connector and the public head 2 of connector are automatic separation under the second spring 22 effect, the installation cover 7 cooperation taper block 8 that sets up in the groove 6 is prevented grabbing of sheath 5 plays prevents grabbing the effect, if drag the sheath 5 in two cable 9 outsides, can't separate female head 1 of connector and the public head 2 of connector, and when gripping sheath 5 hard, the palm epidermis is sunken and is pricked by taper block 8 in preventing grabbing groove 6, remind staff or idle miscellaneous people etc. not through the mode split connector of dragging cable 9, provide the protection to cable 9.

The inboard of seal cover 4 is provided with the extrusion groove 23 that corresponds with gluey core 3, and two rotatory seal covers 4, seal cover 4 compress tightly cable 9 through extrusion groove 23 with gluey core 3's cooperation, and gluey core 3 plays sealed effect to photovoltaic light and heat power station connector when spacing to cable 9, reduces the fault rate of photovoltaic light and heat equipment, prolongs the life of connector.

Sealing ring 17 fixed connection is in the public first 2 bottom of connector, and second spring 22's top fixed connection is in sealing ring 17's bottom, and second spring 22 extrudes sealing ring 17 when exerting prestressing force to spacing hook 18, makes the inside and outside both sides extension of sealing ring 17, has strengthened the sealed effect of sealing ring 17 to the connector, reduces the risk that the connector received steam and dust interference.

The distance from the tip of the conical block 8 to the axis of the sheath 5 is smaller than the outer radius of the sheath 5, so that the conical block 8 is prevented from damaging the ground, and the abrasion of the conical block 8 is reduced.

The periphery shape of public first inner core 11 and female first inner core 10 is square, and female first inner core 10 is inside to be provided with the cell body that corresponds with public first

inner core

11, and 1 upper portion inboard of the female first of connector is provided with the cell body that corresponds with female first

inner core

10, and 2 lower part inboards of the public first 2 of connector are provided with the cell body that corresponds with public first inner core 11, and female first 1 of connector sets up in the public first 2 top of connector.

One side of the first spring 15 far away from the axle center of the male head inner core 11 is fixedly connected to one side of the sector groove 12 far away from the axle center of the male head inner core 11, the first springs 15 on the upper side and the lower side are matched with the first spring 15 in the middle to reset the limiting ball 13, the limiting ball 13 is stressed uniformly, and the limiting ball 13 is prevented from being clamped into the upper side and the lower side of the sector groove 12.

The male core 11 runs through the male core sleeve 16, the male core sleeve 16 runs through the female core sleeve 19, the inner side of the top of the female connector 1 is provided with a groove corresponding to the male core sleeve 16, the cable 9 runs through the sealing sleeve 4 and the sheath 5, and the groove of the female connector 1 plays a limiting role in limiting the male core sleeve 16.

The sealing sleeve 4 outside evenly is provided with a plurality of bar groove, through box spanner and the cooperation of bar groove, can screw up sealing sleeve 4, has guaranteed the sealed effect of gluey core 3.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A photovoltaic photo-thermal power station connector with an anti-loosening structure comprises a female connector (1) and a male connector (2), and is characterized in that: the bottom end of the female connector (1) and the top end of the male connector (2) are fixedly connected with rubber cores (3), the outer sides of the female connector (1) and the male connector (2) are in threaded connection with a sealing sleeve (4), the top end and the lower side of the sealing sleeve (4) are fixedly connected with a sheath (5), the outer side of the sheath (5) is uniformly provided with a plurality of anti-grabbing grooves (6), one side of each anti-grabbing groove (6) close to the axis of the sheath (5) is uniformly and fixedly connected with a plurality of mounting sleeves (7), the inner sides of the mounting sleeves (7) are fixedly connected with conical blocks (8), the inner sides of the female connector (1) and the male connector (2) are respectively provided with cables (9), the top end of the cable (9) on the inner side of the female connector (1) is fixedly connected with a female connector inner core (10), and the bottom end of the cable (9) on the inner side of the male connector (2) is fixedly connected with a male connector inner core (11), four fan-shaped grooves (12) are uniformly arranged on the inner wall of the middle part of the female connector (1) and the inner wall of the bottom of the male connector (2), a limiting ball (13) is arranged on one side, close to the axle center of the male connector inner core (11), of the fan-shaped grooves (12), hemispherical grooves (14) corresponding to the limiting ball (13) are arranged on the outer wall of the bottom of the female connector inner core (10) and the outer wall of the top of the male connector inner core (11), three first springs (15) are uniformly and fixedly connected on one side, far away from the axle center of the male connector inner core (11), of the limiting ball (13), a male connector core sleeve (16) is fixedly connected at the bottom of the male connector (2), a sealing ring (17) is arranged on the outer side of the top of the male connector core sleeve (16), limiting hooks (18) are fixedly connected on the left side and the right side of the bottom of the male connector (2), and a female connector core sleeve (19) is fixedly connected at the top of the female connector (1), the female head core sleeve is characterized in that limiting grooves (20) corresponding to the two limiting hooks (18) are respectively formed in the left side and the right side of the female head core sleeve (19), an annular groove (21) is formed in the inner wall of the female head core sleeve (19), and a second spring (22) is arranged between the annular groove (21) and the male head core sleeve (16).

2. The photovoltaic photo-thermal power station connector with the anti-loose structure of claim 1, wherein: and an extrusion groove (23) corresponding to the rubber core (3) is formed in the inner side of the sealing sleeve (4).

3. The photovoltaic photo-thermal power station connector with the anti-loose structure of claim 1, wherein: sealing ring (17) fixed connection is in the bottom of the public head of connector (2), the top fixed connection of second spring (22) is in the bottom of sealing ring (17).

4. The photovoltaic photo-thermal power station connector with the anti-loose structure of claim 1, wherein: the distance from the tip of the conical block (8) to the axis of the sheath (5) is less than the outer radius of the sheath (5).

5. The photovoltaic photo-thermal power station connector with the anti-loose structure of claim 1, wherein: the periphery shape of public first inner core (11) and female first inner core (10) is square, female first inner core (10) inside is provided with the cell body that corresponds with public first inner core (11), female first (1) upper portion inboard of connector is provided with the cell body that corresponds with female first inner core (10), public first (2) lower part inboard of connector is provided with the cell body that corresponds with public first inner core (11), female first (1) setting of connector is in the top of public first (2) of connector.

6. The photovoltaic photo-thermal power station connector with the anti-loose structure of claim 1, wherein: one side of the first spring (15) far away from the axle center of the male head inner core (11) is fixedly connected with one side of the fan-shaped groove (12) far away from the axle center of the male head inner core (11).

7. The photovoltaic photo-thermal power station connector with the anti-loose structure of claim 1, wherein: the male head inner core (11) penetrates through the male head core sleeve (16), the male head core sleeve (16) penetrates through the female head core sleeve (19), a groove body corresponding to the male head core sleeve (16) is arranged on the inner side of the top of the connector female head (1), and the cable (9) penetrates through the sealing sleeve (4) and the sheath (5).

8. The photovoltaic photo-thermal power station connector with the anti-loose structure of claim 1, wherein: a plurality of strip-shaped grooves are uniformly formed in the outer side of the sealing sleeve (4).