CN201766257U

CN201766257U - Solar cell cable connector

Info

Publication number: CN201766257U
Application number: CN2010202097969U
Authority: CN
Inventors: 吕纪坤
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-05-28
Filing date: 2010-05-28
Publication date: 2011-03-16
Anticipated expiration: 2020-05-28

Abstract

The utility model discloses a solar cell cable connector. The connector comprises a positive plug and a negative plug; the front end of the positive plug is provided with a splicing column with inner step holes; elastic arms which are symmetrically relative to the center of the splicing column are arranged at the rear part of the splicing column; the negative plug is provided with a splicing inner step hole; the front end of the negative plug is provided with lapping holes used for allowing the elastic arms to be blocked in; the positive plug is inserted into the splicing inner step hole through the splicing column; the elastic arms are elastically blocked in the lapping holes for being in abutting joint with the negative plug; positive terminals connected with a cable are blocked in the inner step holes of the splicing column; and negative terminals are inserted from the rear end of the negative plug for being connected with the positive terminals in a blockage manner and realizing the electrical connection. The connector has the advantages that the connection is convenient; the performance is stable and reliable after the connection; a user feels comfortable during the operation; the effective contact area of the positive terminals and the negative terminals is large; the resistivity is reduced; and the efficiency in electrical conduction is improved.

Description

The solar cell wire and cable connector

Technical field

The utility model relates to the solar module technical field, especially a kind of solar cell wire and cable connector.

Background technology

At present, the used wire and cable connector of using always on the market of solar power system, its inner splicing ear is generally stamping parts, circularity is not too high, need to increase the drum spring and could satisfy instructions for use, increased the conduction link in this no shadow, improved contact resistance, reduced conductance, when dismounting connector two ends, narrow and small as the space, hasp position that needs are pressed, pain is arranged during people's finger presses, existing simultaneously connector two ends finger is hard and smooth surface by the position corner angle of pinching, and people can not feel like oneself and skid easily in the time of firmly, have correspondingly increased operating personnel's work difficulty.

The utility model content

The technical problems to be solved in the utility model is: overcome the deficiency in the prior art, provide that a kind of contact resistance is little, conductance is high, easy to connect, solar cell wire and cable connector that operating handle is comfortable, need not to use specific purpose tool and can make things convenient for plug.

The technical scheme that its technical problem that solves the utility model adopts is: a kind of solar cell wire and cable connector, comprise anode plug and cathode plug, the anode plug front end has the grafting cylinder of band inner bore of step, be positioned at grafting cylinder rear portion and be symmetrical arranged flexible arm with respect to grafting cylindrical center, cathode plug has stair-stepping grafting endoporus, the front end of cathode plug has the overlap joint hole that snaps in for elasticity arm elasticity, anode plug inserts in the grafting endoporus by the grafting cylinder, elasticity arm elasticity snaps in the butt joint of overlap joint Kong Zhongyu cathode plug, the positive terminal of connection cable is fastened in the inner bore of step of grafting cylinder, and negative terminal inserts with the positive terminal clamping from the rear end of cathode plug and realizes electrically connecting.

Furtherly, the front end of described positive terminal has the elasticity endoporus, and the negative terminal front end has the guiding sphere, negative terminal by guiding sphere guiding clamping go into the electric connection that realizes in the elasticity endoporus of positive terminal between the two.

Connect for guaranteeing the back good seal, the rear end of described anode plug and cathode plug has the thread segment that can be connected for sealing nut respectively and for the seal groove of seal embedding; Described grafting cylinder rear portion and offer the ring-type rectangular recess between the elasticity arm is provided with sealing ring in the rectangular recess, after anode plug and cathode plug butt joint, the leading section of grafting endoporus compresses sealing ring.

Install firmly for guaranteeing positive terminal, the rearward end of described inner bore of step has inner groovy, leading section has confined planes, be provided with spacing ring in the inner groovy, spacing ring has outer rise inclined-plane and internal expanding inclined-plane, the inclined-plane that rises outward snaps in the inner groovy, and the resistance that the internal expanding sloped roof has in the positive terminal rear end is moved back on the end face, and the front end face of positive terminal withstands on the confined planes.

Install firmly for guaranteeing negative terminal, the rearward end of described grafting endoporus has inner groovy, the middle part has ends into inclined-plane, be provided with spacing ring in the inner groovy, spacing ring has outer rise inclined-plane and internal expanding inclined-plane, the inclined-plane that rises outward snaps in the inner groovy, and on the step end face that the internal expanding sloped roof has in the negative terminal rear end, the spacing sloped roof that the negative terminal middle part has is ended on the inclined-plane.

For easy to operate comfortable, the curved non slip surface that convenient finger is affectedly bashful when having mounting or dismounting on the outer surface of described anode plug and cathode plug respectively, place, nearly overlap joint hole has the line shape inclined-plane of being convenient to put forth effort on the outer surface of cathode plug when elasticity arm elasticity snaps in or withdraw from the overlap joint hole.

The beneficial effects of the utility model are: the utility model conductance height, bonding strength is good, dismounting is convenient, reliable operation, the face of cylinder that is connected between the conductor contacts, improved contact area, between terminal and the terminal, to be connected compressing power between terminal and the wire harness big, reduced contact resistance on the one hand, also improved connection reliability on the other hand, bodily fuctions's structural design is adopted in the mounting or dismounting of anode plug and cathode plug, thereby has improved installation effectiveness and level of comfort.

Description of drawings

Below in conjunction with drawings and embodiments the utility model is further specified.

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the A-A sectional structure schematic diagram among Fig. 1.

The 62. internal expanding inclined-planes, inclined-plane that rise are ended in 1. anode plugs, 11. inner bore of step, 12. grafting cylinders, 13. elasticity arms, 14. rectangular recess, 15. thread segments, 16. seal grooves, 17. inner groovies, 18. confined planes, 19. curved non slip surface 2. cathode plugs 21. grafting endoporus, 22. overlap joint holes 23. among the figure outside end face 4. negative terminals 41. guiding spheres 42. step end faces 43. spacing inclined-plane 5. sealing rings, 6. spacing rings 61. are moved back in 3. positive terminals, 31. elasticity endoporus, 32. resistances of 24. line shape inclined-planes, inclined-plane

Embodiment.

In conjunction with the accompanying drawings the utility model is further described now.The schematic diagram that these accompanying drawings are simplification only illustrates basic structure of the present utility model in a schematic way, so it only shows the formation relevant with the utility model.

As Fig. 1, a kind of solar cell wire and cable connector shown in Figure 2, the cathode plug 2 that comprises anode plug 1 and dock with it, anode plug 1 front end has the grafting cylinder 12 of band inner bore of step 11, be positioned at grafting cylinder 12 rear portions and be symmetrically arranged with two elasticity arms 13 up and down with respect to grafting cylinder 12 centers, cathode plug 2 has stair-stepping grafting endoporus 21, the front end of cathode plug 2 has the overlap joint hole 22 that snaps in for elasticity arm 13 elasticity, after in the grafting endoporus 21 of the grafting cylinder 12 insertion cathode plugs 2 of anode plug 1, elasticity arm 13 elasticity with anode plug 1 snap in the overlap joint hole 22 of cathode plug 2 again, realize that thus anode plug 1 docks with cathode plug 2, the positive terminal 3 of connection cable and negative terminal 4 all adopt the good brass spare of electric conductivity to process through turning, positive terminal 3 is fastened on the described inner bore of step 11 after insert the rear end of anode plug 1, the front end of positive terminal 3 has elasticity endoporus 31, circumferentially have four notches on the outer wall of this elasticity endoporus 31, the front portion of notch is carried out dwindling on the diametric(al) and is handled and formed the anchor ring that tightens up, the outer wall of negative terminal 4 so that fit better, negative terminal 4 front ends have guiding sphere 41, after negative terminal 4 inserted from the rear end of cathode plug 2, the electric connection that realizes in the elasticity endoporus 31 of positive terminal 3 was between the two gone in clamping by guiding sphere 41 guiding.

For guaranteeing that anode plug 1 is connected the back good seal with cathode plug 2, the rear end of described anode plug 1 and cathode plug 2 has the thread segment 15 that can be connected for sealing nut respectively and for the seal groove 16 of seal embedding, after sealing nut is tightened on the thread segment 15, sealing nut with rubber seal just in time be pressed in the seal groove 16; At grafting cylinder 12 rear portions of anode plug 1 and between two elasticity arms 13, offer the rectangular recess 14 of ring-type, 14 are provided with sealing ring 5 in the rectangular recess, after anode plug 1 and cathode plug 2 butt joints, grafting endoporus 21 leading sections of cathode plug 2 compress sealing ring 5, thereby have played the better seal effect.

Specifically, positive terminal 3 be fastened on like this in the inner bore of step 11 of anode plug 1 fixing, rearward end at inner bore of step 11 has inner groovy 17, leading section has confined planes 18, be provided with spacing ring 6 in the inner groovy 17, spacing ring 6 has outer rise inclined-plane 61 and internal expanding inclined-plane 62, the inclined-plane 61 that rises outward snaps in the inner groovy 17, stop withdrawing from of spacing ring 6, after positive terminal 3 inserts from the rear end of anode plug 1, internal expanding inclined-plane 62 just in time withstands on the resistance that positive terminal 3 rear ends have and moves back on the end face 32, and the front end face of positive terminal 3 then withstands on the confined planes 18 of inner bore of step 11 leading sections and tightened.

Fixing of negative terminal 4 is similar to positive terminal 3, grafting endoporus 21 rearward end of cathode plug 2 also have with inner bore of step 11 in identical inner groovy 17, the middle part of grafting endoporus 21 has ends into inclined-plane 23, be provided with same spacing ring 6 in the inner groovy 17, the outer inclined-plane 61 that rises of spacing ring 6 snaps in the inner groovy 17, stop withdrawing from of

spacing ring

6,62 on internal expanding inclined-plane withstands on the step end face 42 that negative terminal 4 rear ends have, and the spacing inclined-plane 43 that negative terminal 4 middle parts have withstands on and ends on the inclined-plane 23.

Energy and comfort in order to operate, the curved non slip surface 19 that convenient finger is affectedly bashful when having mounting or dismounting on the outer surface of described anode plug 1 and cathode plug 2 respectively, this position is according to people's the thumb and the comfortable curved surface of pushing of shaped design of forefinger, on this curved non slip surface 19, also increase simultaneously anti-skidding lines to improve friction, avoid when dismounting, taking place finger and slide.Also has the line shape inclined-plane of when elasticity arm 13 elasticity snap in or withdraw from overlap joint hole 22, being convenient to put forth effort 24 at nearly overlap joint 22 places, hole on the outer surface of cathode plug 2, when with thumb and forefinger dismounting connector, put forth effort on the line shape inclined-plane 24 of cathode plug 2 at the rear portion of the finger palm, the head at elasticity arm 13 is then puted forth effort in the front portion of the finger palm, at this moment, the head of elasticity arm 13 inwardly shrinks, until withdrawing from from overlap joint hole 22.

The utility model conductance height, bonding strength is good, dismounting is convenient, reliable operation, the face of cylinder that is connected between the conductor contacts, improved contact area, between terminal and the terminal, to be connected compressing power between terminal and the wire harness big, reduced contact resistance on the one hand, also improved connection reliability on the other hand, anode plug 1 adopts bodily fuctions's structural design with the installation position and the dismounting of cathode plug 2, thereby has improved installation effectiveness and level of comfort.

Above-mentioned execution mode only is explanation technical conceive of the present utility model and characteristics; its purpose is to allow the personage that is familiar with this technology can understand content of the present utility model and is implemented; can not limit protection range of the present utility model with this; all equivalences of being done according to the utility model spirit change or modify, and all should be encompassed in the protection range of the present utility model.

Claims

1. solar cell wire and cable connector, comprise anode plug (1) and cathode plug (2), it is characterized in that: anode plug (1) front end has the grafting cylinder (12) of band inner bore of step (11), be positioned at grafting cylinder (12) rear portion and be symmetrical arranged flexible arm (13) with respect to grafting cylinder (12) center, cathode plug (2) has stair-stepping grafting endoporus (21), the front end of cathode plug (2) has the overlap joint hole (22) that snaps in for elasticity arm (13) elasticity, anode plug (1) inserts in the grafting endoporus (21) by grafting cylinder (12), elasticity arm (13) elasticity snaps in the overlap joint hole (22) and docks with cathode plug (2), the positive terminal of connection cable (3) is fastened in the inner bore of step (11) of grafting cylinder (12), and negative terminal (4) inserts with positive terminal (3) clamping from the rear end of cathode plug (2) and realizes electrically connecting.

2. solar cell wire and cable connector according to claim 1, it is characterized in that: the front end of described positive terminal (3) has elasticity endoporus (31), negative terminal (4) front end has guiding sphere (41), and the middle electric connection that realizes between the two of the elasticity endoporus (31) of positive terminal (3) is gone in clamping to negative terminal (4) by guiding sphere (41) guiding.

3. solar cell wire and cable connector according to claim 1, it is characterized in that: described grafting cylinder (12) rear portion and be positioned at the rectangular recess (14) that offers ring-type between the elasticity arm (13), be provided with sealing ring (5) in the rectangular recess (14), after anode plug (1) and cathode plug (2) butt joint, the leading section of grafting endoporus (21) compresses sealing ring (5).

4. solar cell wire and cable connector according to claim 1 is characterized in that: the rear end of described anode plug (1) and cathode plug (2) has the thread segment (15) that can be connected for sealing nut respectively and for the seal groove (16) of seal embedding.

5. solar cell wire and cable connector according to claim 1, it is characterized in that: the rearward end of described inner bore of step (11) has inner groovy (17), leading section has confined planes (18), be provided with spacing ring (6) in the inner groovy (17), spacing ring (6) has outer rise inclined-plane (61) and internal expanding inclined-plane (62), the inclined-plane (61) that rises outward snaps in the inner groovy (17), internal expanding inclined-plane (62) withstands on the resistance that positive terminal (3) rear end has and moves back on the end face (32), and the front end face of positive terminal (3) withstands on the confined planes (18).

6. solar cell wire and cable connector according to claim 1, it is characterized in that: the rearward end of described grafting endoporus (21) has inner groovy (17), the middle part has ends into inclined-plane (23), be provided with spacing ring (6) in the inner groovy (17), spacing ring (6) has outer rise inclined-plane (61) and internal expanding inclined-plane (62), the inclined-plane (61) that rises outward snaps in the inner groovy (17), internal expanding inclined-plane (62) withstands on the step end face (42) that negative terminal (4) rear end has, and the spacing inclined-plane (43) that negative terminal (4) middle part has withstands on and ends on inclined-plane (23).

7. solar cell wire and cable connector according to claim 1, it is characterized in that: the curved non slip surface (19) that convenient finger is affectedly bashful when having mounting or dismounting on the outer surface of described anode plug (1) and cathode plug (2) respectively, nearly overlap joint hole (22) locates to have the line shape inclined-plane of being convenient to put forth effort (24) when elasticity arm (13) elasticity snaps in or withdraw from overlap joint hole (22) on the outer surface of cathode plug (2).